octave: src/gl-render.cc annotate

annotate src/gl-render.cc @ 11385:71e7467fbd34

Disable auto-positioning of manually positioned title and axes labels.

author	Konstantinos Poulios <logari81@googlemail.com>
date	Fri, 17 Dec 2010 21:23:52 +0100
parents	be710ed252ff
children	2be9e22796d2

rev	line source
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1 /*
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8724 diff changeset	3 Copyright (C) 2008, 2009 Michael Goffioul
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	4
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	5 This file is part of Octave.
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	6
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	8 under the terms of the GNU General Public License as published by the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	10 option) any later version.
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	11
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	15 for more details.
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	16
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	17 You should have received a copy of the GNU General Public License
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	18 along with Octave; see the file COPYING. If not, see
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	19 <http://www.gnu.org/licenses/>.
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	20
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	21 */
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	22
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	23 #ifdef HAVE_CONFIG_H
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	24 #include <config.h>
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	25 #endif
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	26
7954 3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	27 #if defined (HAVE_OPENGL)
3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	28
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	29 #include <iostream>
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	30
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	31 #include <lo-mappers.h>
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 8263 diff changeset	32 #include "oct-locbuf.h"
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	33 #include "gl-render.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	34 #include "txt-eng.h"
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	35 #include "txt-eng-ft.h"
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	36
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	37 #define LIGHT_MODE GL_FRONT_AND_BACK
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	38
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	39 // Win32 API requires the CALLBACK attributes for
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	40 // GLU callback functions. Define it to empty on
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	41 // other platforms.
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	42 #ifndef CALLBACK
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	43 #define CALLBACK
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	44 #endif
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	45
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	46 enum {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	47 AXE_ANY_DIR = 0,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	48 AXE_DEPTH_DIR = 1,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	49 AXE_HORZ_DIR = 2,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	50 AXE_VERT_DIR = 3
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	51 };
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	52
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	53 static octave_idx_type
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	54 xmin (octave_idx_type x, octave_idx_type y)
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	55 {
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	56 return x < y ? x : y;
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	57 }
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	58
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	59 class
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	60 opengl_texture
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	61 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	62 protected:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	63 class texture_rep
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	64 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	65 public:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	66 texture_rep (void) : valid (false), count (1) { }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	67
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	68 texture_rep (GLuint id_arg, int w_arg, int h_arg, int tw_arg, int th_arg)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	69 : id (id_arg), w (w_arg), h (h_arg), tw (tw_arg), th (th_arg),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	70 tx (double(w)/tw), ty (double(h)/th), valid (true),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	71 count (1) { }
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	72
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	73 ~texture_rep (void)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	74 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	75 if (valid)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	76 glDeleteTextures (1, &id);
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	77 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	78
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	79 void bind (int mode) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	80 { if (valid) glBindTexture (mode, id); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	81
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	82 void tex_coord (double q, double r) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	83 { if (valid) glTexCoord2d (qtx, rty); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	84
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	85 GLuint id;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	86 int w, h;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	87 int tw, th;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	88 double tx, ty;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	89 bool valid;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	90 int count;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	91 };
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	92
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	93 texture_rep *rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	94
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	95 private:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	96 opengl_texture (texture_rep *_rep) : rep (_rep) { }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	97
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	98 public:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	99 opengl_texture (void) : rep (new texture_rep ()) { }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	100
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	101 opengl_texture (const opengl_texture& tx)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	102 : rep (tx.rep)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	103 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	104 rep->count++;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	105 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	106
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	107 ~opengl_texture (void)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	108 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	109 if (--rep->count == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	110 delete rep;
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	111 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	112
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	113 opengl_texture& operator = (const opengl_texture& tx)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	114 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	115 if (--rep->count == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	116 delete rep;
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	117
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	118 rep = tx.rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	119 rep->count++;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	120
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	121 return *this;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	122 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	123
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	124 static opengl_texture create (const octave_value& data);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	125
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	126 void bind (int mode = GL_TEXTURE_2D) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	127 { rep->bind (mode); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	128
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	129 void tex_coord (double q, double r) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	130 { rep->tex_coord (q, r); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	131
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	132 bool is_valid (void) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	133 { return rep->valid; }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	134 };
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	135
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	136 static int
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	137 next_power_of_2 (int n)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	138 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	139 int m = 1;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	140
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	141 while (m < n && m < INT_MAX)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	142 m <<= 1;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	143
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	144 return m;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	145 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	146
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	147 opengl_texture
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	148 opengl_texture::create (const octave_value& data)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	149 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	150 opengl_texture retval;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	151
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	152 dim_vector dv (data.dims ());
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	153
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	154 // Expect RGB data
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	155 if (dv.length () == 3 && dv(2) == 3)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	156 {
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	157 // FIXME -- dim_vectors hold octave_idx_type values. Should we
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	158 // check for dimensions larger than intmax?
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	159 int h = dv(0), w = dv(1), tw, th;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	160 GLuint id;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	161 bool ok = true;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	162
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	163 tw = next_power_of_2 (w);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	164 th = next_power_of_2 (w);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	165
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	166 glGenTextures (1, &id);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	167 glBindTexture (GL_TEXTURE_2D, id);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	168
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	169 if (data.is_double_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	170 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	171 const NDArray xdata = data.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	172
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	173 OCTAVE_LOCAL_BUFFER (float, a, (3twth));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	174
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	175 for (int i = 0; i < h; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	176 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	177 for (int j = 0, idx = itw3; j < w; j++, idx += 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	178 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	179 a[idx] = xdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	180 a[idx+1] = xdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	181 a[idx+2] = xdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	182 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	183 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	184
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	185 glTexImage2D (GL_TEXTURE_2D, 0, 3, tw, th, 0,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	186 GL_RGB, GL_FLOAT, a);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	187 }
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	188 else if (data.is_uint8_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	189 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	190 const uint8NDArray xdata = data.uint8_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	191
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	192 OCTAVE_LOCAL_BUFFER (octave_uint8, a, (3twth));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	193
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	194 for (int i = 0; i < h; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	195 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	196 for (int j = 0, idx = itw3; j < w; j++, idx += 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	197 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	198 a[idx] = xdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	199 a[idx+1] = xdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	200 a[idx+2] = xdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	201 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	202 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	203
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	204 glTexImage2D (GL_TEXTURE_2D, 0, 3, tw, th, 0,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	205 GL_RGB, GL_UNSIGNED_BYTE, a);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	206 }
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	207 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	208 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	209 ok = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	210 warning ("opengl_texture::create: invalid texture data type (expected double or uint8)");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	211 }
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	212
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	213 if (ok)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	214 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	215 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	216 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	217
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	218 if (glGetError () != GL_NO_ERROR)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	219 warning ("opengl_texture::create: OpenGL error while generating texture data");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	220 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	221 retval = opengl_texture (new texture_rep (id, w, h, tw, th));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	222 }
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	223 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	224 else
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	225 warning ("opengl_texture::create: invalid texture data size");
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	226
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	227 return retval;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	228 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	229
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	230 class
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	231 opengl_tesselator
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	232 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	233 public:
8724 a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	234 #if defined (HAVE_FRAMEWORK_OPENGL) && defined (HAVE_GLUTESSCALLBACK_THREEDOTS)
a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	235 typedef GLvoid (CALLBACK *fcn) (...);
a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	236 #else
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	237 typedef void (CALLBACK *fcn) (void);
8724 a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	238 #endif
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	239
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	240 public:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	241
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	242 opengl_tesselator (void) : glu_tess (0) { init (); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	243
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	244 virtual ~opengl_tesselator (void)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	245 { if (glu_tess) gluDeleteTess (glu_tess); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	246
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	247 void begin_polygon (bool filled = true)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	248 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	249 gluTessProperty (glu_tess, GLU_TESS_BOUNDARY_ONLY,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	250 (filled ? GL_FALSE : GL_TRUE));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	251 fill = filled;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	252 gluTessBeginPolygon (glu_tess, this);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	253 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	254
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	255 void end_polygon (void) const
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	256 { gluTessEndPolygon (glu_tess); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	257
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	258 void begin_contour (void) const
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	259 { gluTessBeginContour (glu_tess); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	260
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	261 void end_contour (void) const
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	262 { gluTessEndContour (glu_tess); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	263
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	264 void add_vertex (double loc, void data) const
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	265 { gluTessVertex (glu_tess, loc, data); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	266
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	267 protected:
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	268 virtual void begin (GLenum /type/) { }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	269
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	270 virtual void end (void) { }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	271
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	272 virtual void vertex (void /data*/) { }
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	273
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	274 virtual void combine (GLdouble /c/[3], void /data*/[4],
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	275 GLfloat /w/[4], void */out_data*/) { }
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	276
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	277 virtual void edge_flag (GLboolean /flag/) { }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	278
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	279 virtual void error (GLenum err)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	280 { ::error ("OpenGL tesselation error (%d)", err); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	281
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	282 virtual void init (void)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	283 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	284 glu_tess = gluNewTess ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	285
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	286 gluTessCallback (glu_tess, GLU_TESS_BEGIN_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	287 reinterpret_cast<fcn> (tess_begin));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	288 gluTessCallback (glu_tess, GLU_TESS_END_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	289 reinterpret_cast<fcn> (tess_end));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	290 gluTessCallback (glu_tess, GLU_TESS_VERTEX_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	291 reinterpret_cast<fcn> (tess_vertex));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	292 gluTessCallback (glu_tess, GLU_TESS_COMBINE_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	293 reinterpret_cast<fcn> (tess_combine));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	294 gluTessCallback (glu_tess, GLU_TESS_EDGE_FLAG_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	295 reinterpret_cast<fcn> (tess_edge_flag));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	296 gluTessCallback (glu_tess, GLU_TESS_ERROR_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	297 reinterpret_cast<fcn> (tess_error));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	298 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	299
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	300 bool is_filled (void) const { return fill; }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	301
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	302 private:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	303 static void CALLBACK tess_begin (GLenum type, void *t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	304 { reinterpret_cast<opengl_tesselator *> (t)->begin (type); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	305
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	306 static void CALLBACK tess_end (void *t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	307 { reinterpret_cast<opengl_tesselator *> (t)->end (); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	308
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	309 static void CALLBACK tess_vertex (void v, void t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	310 { reinterpret_cast<opengl_tesselator *> (t)->vertex (v); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	311
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	312 static void CALLBACK tess_combine (GLdouble c[3], void *v[4], GLfloat w[4],
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	313 void *out, void t)
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	314 { reinterpret_cast<opengl_tesselator *> (t)->combine (c, v, w, out); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	315
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	316 static void CALLBACK tess_edge_flag (GLboolean flag, void *t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	317 { reinterpret_cast<opengl_tesselator *> (t)->edge_flag (flag); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	318
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	319 static void CALLBACK tess_error (GLenum err, void *t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	320 { reinterpret_cast<opengl_tesselator *> (t)->error (err); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	321
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	322 private:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	323 GLUtesselator *glu_tess;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	324 bool fill;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	325 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	326
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	327 class
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	328 vertex_data
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	329 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	330 public:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	331 class vertex_data_rep
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	332 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	333 public:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	334 Matrix coords;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	335 Matrix color;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	336 Matrix normal;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	337 double alpha;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	338 float ambient;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	339 float diffuse;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	340 float specular;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	341 float specular_exp;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	342
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	343 // reference counter
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	344 int count;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	345
7904 1fddd9b8e862 Fix nil_rep reference counting in gl-render.cc::vertex_data internal class John W. Eaton <jwe@octave.org> parents: 7874 diff changeset	346 vertex_data_rep (void) : count (1) { }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	347
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	348 vertex_data_rep (const Matrix& c, const Matrix& col, const Matrix& n,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	349 double a, float as, float ds, float ss, float se)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	350 : coords (c), color (col), normal (n), alpha (a),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	351 ambient (as), diffuse (ds), specular (ss), specular_exp (se),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	352 count (1) { }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	353 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	354
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	355 private:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	356 vertex_data_rep *rep;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	357
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	358 vertex_data_rep *nil_rep (void) const
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	359 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	360 static vertex_data_rep *nr = new vertex_data_rep ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	361
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	362 return nr;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	363 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	364
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	365 public:
7904 1fddd9b8e862 Fix nil_rep reference counting in gl-render.cc::vertex_data internal class John W. Eaton <jwe@octave.org> parents: 7874 diff changeset	366 vertex_data (void) : rep (nil_rep ())
1fddd9b8e862 Fix nil_rep reference counting in gl-render.cc::vertex_data internal class John W. Eaton <jwe@octave.org> parents: 7874 diff changeset	367 { rep->count++; }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	368
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	369 vertex_data (const vertex_data& v) : rep (v.rep)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	370 { rep->count++; }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	371
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	372 vertex_data (const Matrix& c, const Matrix& col, const Matrix& n,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	373 double a, float as, float ds, float ss, float se)
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	374 : rep (new vertex_data_rep (c, col, n, a, as, ds, ss, se))
7904 1fddd9b8e862 Fix nil_rep reference counting in gl-render.cc::vertex_data internal class John W. Eaton <jwe@octave.org> parents: 7874 diff changeset	375 { }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	376
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	377 vertex_data (vertex_data_rep *new_rep)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	378 : rep (new_rep) { }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	379
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	380 ~vertex_data (void)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	381 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	382 if (--rep->count == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	383 delete rep;
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	384 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	385
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	386 vertex_data& operator = (const vertex_data& v)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	387 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	388 if (--rep->count == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	389 delete rep;
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	390
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	391 rep = v.rep;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	392 rep->count++;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	393
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	394 return *this;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	395 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	396
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	397 vertex_data_rep *get_rep (void) const { return rep; }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	398 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	399
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	400 class
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	401 opengl_renderer::patch_tesselator : public opengl_tesselator
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	402 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	403 public:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	404 patch_tesselator (opengl_renderer *r, int cmode, int lmode, int idx = 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	405 : opengl_tesselator (), renderer (r),
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	406 color_mode (cmode), light_mode (lmode), index (idx),
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	407 first (true) { }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	408
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	409 protected:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	410 void begin (GLenum type)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	411 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	412 //printf("patch_tesselator::begin (%d)\n", type);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	413 first = true;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	414
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	415 if (color_mode == 2 \|\| light_mode == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	416 glShadeModel (GL_SMOOTH);
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	417 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	418 glShadeModel (GL_FLAT);
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	419
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	420 if (is_filled ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	421 renderer->set_polygon_offset (true, 1+index);
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	422
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	423 glBegin (type);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	424 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	425
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	426 void end (void)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	427 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	428 //printf("patch_tesselator::end\n");
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	429 glEnd ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	430 renderer->set_polygon_offset (false);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	431 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	432
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	433 void vertex (void *data)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	434 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	435 vertex_data::vertex_data_rep *v
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	436 = reinterpret_cast<vertex_data::vertex_data_rep *> (data);
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	437 //printf("patch_tesselator::vertex (%g, %g, %g)\n", v->coords(0), v->coords(1), v->coords(2));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	438
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	439 // FIXME: why did I need to keep the first vertex of the face
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	440 // in JHandles? I think it's related to the fact that the
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	441 // tessellation process might re-order the vertices, such that
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	442 // the first one you get here might not be the first one of the face;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	443 // but I can't figure out the actual reason.
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	444 if (color_mode > 0 && (first \|\| color_mode == 2))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	445 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	446 Matrix col = v->color;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	447
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	448 if (col.numel () == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	449 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	450 glColor3dv (col.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	451 if (light_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	452 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	453 float buf[4] = { 0, 0, 0, 1 };
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	454
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	455 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	456 buf[k] = (v->ambient * col(k));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	457 glMaterialfv (LIGHT_MODE, GL_AMBIENT, buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	458
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	459 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	460 buf[k] = (v->diffuse * col(k));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	461 glMaterialfv (LIGHT_MODE, GL_AMBIENT, buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	462 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	463 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	464 }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	465
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	466 if (light_mode > 0 && (first \|\| light_mode == 2))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	467 glNormal3dv (v->normal.data ());
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	468
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	469 glVertex3dv (v->coords.data ());
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	470
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	471 first = false;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	472 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	473
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	474 void combine (GLdouble xyz[3], void *data[4], GLfloat w[4],
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	475 void **out_data)
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	476 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	477 //printf("patch_tesselator::combine\n");
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	478
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	479 vertex_data::vertex_data_rep *v[4];
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	480 int vmax = 4;
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	481
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	482 for (int i = 0; i < 4; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	483 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	484 v[i] = reinterpret_cast<vertex_data::vertex_data_rep *> (data[i]);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	485
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	486 if (vmax == 4 && ! v[i])
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	487 vmax = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	488 }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	489
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	490 Matrix vv (1, 3, 0.0);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	491 Matrix cc;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	492 Matrix nn (1, 3, 0.0);
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	493 double aa = 0.0;
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	494
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	495 vv(0) = xyz[0];
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	496 vv(1) = xyz[1];
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	497 vv(2) = xyz[2];
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	498
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	499 if (v[0]->color.numel ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	500 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	501 cc.resize (1, 3, 0.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	502 for (int ic = 0; ic < 3; ic++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	503 for (int iv = 0; iv < vmax; iv++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	504 cc(ic) += (w[iv] * v[iv]->color(ic));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	505 }
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	506
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	507 if (v[0]->normal.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	508 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	509 for (int in = 0; in < 3; in++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	510 for (int iv = 0; iv < vmax; iv++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	511 nn(in) += (w[iv] * v[iv]->normal(in));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	512 }
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	513
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	514 for (int iv = 0; iv < vmax; iv++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	515 aa += (w[iv] * v[iv]->alpha);
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	516
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	517 vertex_data new_v (vv, cc, nn, aa, v[0]->ambient, v[0]->diffuse,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	518 v[0]->specular, v[0]->specular_exp);
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	519 tmp_vdata.push_back (new_v);
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	520
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	521 *out_data = new_v.get_rep ();
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	522 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	523
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	524 private:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	525 opengl_renderer *renderer;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	526 int color_mode; // 0: uni, 1: flat, 2: interp
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	527 int light_mode; // 0: none, 1: flat, 2: gouraud
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	528 int index;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	529 bool first;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	530 std::list<vertex_data> tmp_vdata;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	531 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	532
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	533 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	534 opengl_renderer::draw (const graphics_object& go)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	535 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	536 if (! go.valid_object ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	537 return;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	538
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	539 const base_properties& props = go.get_properties ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	540
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	541 if (go.isa ("figure"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	542 draw_figure (dynamic_cast<const figure::properties&> (props));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	543 else if (go.isa ("axes"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	544 draw_axes (dynamic_cast<const axes::properties&> (props));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	545 else if (go.isa ("line"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	546 draw_line (dynamic_cast<const line::properties&> (props));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	547 else if (go.isa ("surface"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	548 draw_surface (dynamic_cast<const surface::properties&> (props));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	549 else if (go.isa ("patch"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	550 draw_patch (dynamic_cast<const patch::properties&> (props));
7866 35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	551 else if (go.isa ("hggroup"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	552 draw_hggroup (dynamic_cast<const hggroup::properties&> (props));
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	553 else if (go.isa ("text"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	554 draw_text (dynamic_cast<const text::properties&> (props));
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	555 else if (go.isa ("image"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	556 draw_image (dynamic_cast<const image::properties&> (props));
11186 f72e17e70378 gl-render.cc: Do not give rendering error for uimenus. Ben Abbott <bpabbott@mac.com> parents: 11175 diff changeset	557 else if (go.isa ("uimenu"))
f72e17e70378 gl-render.cc: Do not give rendering error for uimenus. Ben Abbott <bpabbott@mac.com> parents: 11175 diff changeset	558 ;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	559 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	560 warning ("opengl_renderer: cannot render object of type `%s'",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	561 props.graphics_object_name ().c_str ());
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	562 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	563
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	564 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	565 opengl_renderer::draw_figure (const figure::properties& props)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	566 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	567 backend = props.get_backend ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	568
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	569 // Initialize OpenGL context
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	570
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	571 glEnable (GL_DEPTH_TEST);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	572 glDepthFunc (GL_LEQUAL);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	573 glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	574 glAlphaFunc (GL_GREATER, 0.0f);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	575 glEnable (GL_NORMALIZE);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	576
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	577 if (props.is___enhanced__ ())
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	578 {
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	579 glEnable (GL_BLEND);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	580 glEnable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	581 }
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	582 else
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	583 {
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	584 glDisable (GL_BLEND);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	585 glDisable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	586 }
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	587
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	588 // Clear background
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	589
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	590 Matrix c = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	591
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	592 if (c.length() >= 3)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	593 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	594 glClearColor (c(0), c(1), c(2), 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	595 glClear (GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	596 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	597
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	598 // Draw children
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	599
8263 22c078fd926b make fltk backend figures work again John W. Eaton <jwe@octave.org> parents: 7954 diff changeset	600 draw (props.get_all_children ());
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	601 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	602
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	603 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	604 opengl_renderer::draw_axes (const axes::properties& props)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	605 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	606 // setup OpenGL transformation
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	607
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	608 Matrix x_zlim = props.get_transform_zlim ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	609 Matrix x_mat1 = props.get_opengl_matrix_1 ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	610 Matrix x_mat2 = props.get_opengl_matrix_2 ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	611
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	612 xZ1 = x_zlim(0)-(x_zlim(1)-x_zlim(0))/2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	613 xZ2 = x_zlim(1)+(x_zlim(1)-x_zlim(0))/2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	614
8724 a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	615 #if defined (HAVE_FRAMEWORK_OPENGL)
a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	616 GLint vw[4];
a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	617 #else
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	618 int vw[4];
8724 a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	619 #endif
a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	620
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	621 glGetIntegerv (GL_VIEWPORT, vw);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	622
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	623 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	624 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	625 glScaled(1, 1, -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	626 glMultMatrixd (x_mat1.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	627 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	628 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	629 glOrtho (0, vw[2], vw[3], 0, xZ1, xZ2);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	630 glMultMatrixd (x_mat2.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	631 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	632
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	633 glClear (GL_DEPTH_BUFFER_BIT);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	634
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	635 // store axes transformation data
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	636
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	637 xform = props.get_transform ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	638
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	639 // draw axes object
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	640
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	641 GLboolean antialias;
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	642 glGetBooleanv (GL_LINE_SMOOTH, &antialias);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	643 glDisable (GL_LINE_SMOOTH);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	644
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	645 Matrix xlim = xform.xscale (props.get_xlim ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	646 Matrix ylim = xform.yscale (props.get_ylim ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	647 Matrix zlim = xform.zscale (props.get_zlim ().matrix_value ());
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	648 double x_min = xlim(0), x_max = xlim(1);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	649 double y_min = ylim(0), y_max = ylim(1);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	650 double z_min = zlim(0), z_max = zlim(1);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	651
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	652 double xd = (props.xdir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	653 double yd = (props.ydir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	654 double zd = (props.zdir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	655
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	656 ColumnVector p1, p2, xv (3), yv (3), zv (3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	657 int xstate, ystate, zstate;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	658
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	659 xstate = ystate = zstate = AXE_ANY_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	660
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	661 p1 = xform.transform (x_min, (y_min+y_max)/2, (z_min+z_max)/2, false);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	662 p2 = xform.transform (x_max, (y_min+y_max)/2, (z_min+z_max)/2, false);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	663 xv(0) = xround (p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	664 xv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	665 xv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	666 if (xv(0) == 0 && xv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	667 xstate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	668 else if (xv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	669 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	670 if (xv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	671 xstate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	672 else if (xv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	673 xstate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	674 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	675 double xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	676 if (xv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	677 if (xv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	678 xPlane = (xv(0) > 0 ? x_max : x_min);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	679 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	680 xPlane = (xv(1) < 0 ? x_max : x_min);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	681 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	682 xPlane = (xv(2) < 0 ? x_min : x_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	683 double xPlaneN = (xPlane == x_min ? x_max : x_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	684 double fx = (x_max-x_min)/sqrt(xv(0)xv(0)+xv(1)xv(1));
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	685
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	686 p1 = xform.transform ((x_min+x_max)/2, y_min, (z_min+z_max)/2, false);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	687 p2 = xform.transform ((x_min+x_max)/2, y_max, (z_min+z_max)/2, false);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	688 yv(0) = xround (p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	689 yv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	690 yv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	691 if (yv(0) == 0 && yv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	692 ystate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	693 else if (yv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	694 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	695 if (yv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	696 ystate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	697 else if (yv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	698 ystate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	699 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	700 double yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	701 if (yv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	702 if (yv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	703 yPlane = (yv(0) > 0 ? y_max : y_min);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	704 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	705 yPlane = (yv(1) < 0 ? y_max : y_min);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	706 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	707 yPlane = (yv(2) < 0 ? y_min : y_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	708 double yPlaneN = (yPlane == y_min ? y_max : y_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	709 double fy = (y_max-y_min)/sqrt(yv(0)yv(0)+yv(1)yv(1));
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	710
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	711 p1 = xform.transform((x_min+x_max)/2, (y_min+y_max)/2, z_min, false);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	712 p2 = xform.transform((x_min+x_max)/2, (y_min+y_max)/2, z_max, false);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	713 zv(0) = xround(p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	714 zv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	715 zv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	716 if (zv(0) == 0 && zv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	717 zstate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	718 else if (zv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	719 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	720 if (zv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	721 zstate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	722 else if (zv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	723 zstate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	724 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	725 double zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	726 if (zv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	727 if (zv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	728 zPlane = (zv(0) > 0 ? z_min : z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	729 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	730 zPlane = (zv(1) < 0 ? z_min : z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	731 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	732 zPlane = (zv(2) < 0 ? z_min : z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	733 double zPlaneN = (zPlane == z_min ? z_max : z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	734 double fz = (z_max-z_min)/sqrt(zv(0)zv(0)+zv(1)zv(1));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	735
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	736 bool mode2d = (((xstate > AXE_DEPTH_DIR ? 1 : 0) +
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	737 (ystate > AXE_DEPTH_DIR ? 1 : 0) +
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	738 (zstate > AXE_DEPTH_DIR ? 1 : 0)) == 2);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	739 if (props.tickdirmode_is ("auto"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	740 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	741 // FIXME: tickdir should be updated (code below comes
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	742 // from JHandles)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	743 //autoMode++;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	744 //TickDir.set(mode2d ? "in" : "out", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	745 //autoMode--;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	746 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	747
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	748 // FIXME: use ticklength property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	749 double xticklen = 7, yticklen = 7, zticklen = 7;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	750
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	751 //double tickdir = (props.tickdir_is ("in") ? -1 : 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	752 double tickdir = (props.tickdirmode_is ("auto") ?
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	753 (mode2d ? -1 : 1) :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	754 (props.tickdir_is ("in") ? -1 : 1));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	755 double xtickoffset = (mode2d && tickdir < 0 ? 0 : xticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	756 double ytickoffset = (mode2d && tickdir < 0 ? 0 : yticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	757 double ztickoffset = (mode2d && tickdir < 0 ? 0 : zticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	758
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	759 bool xySym = (xdyd(xPlane-xPlaneN)*(yPlane-yPlaneN) > 0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	760 bool x2Dtop = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	761 bool y2Dright = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	762 double zpTick = zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	763
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	764 /* 2D mode */
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	765 if (xstate == AXE_HORZ_DIR && ystate == AXE_VERT_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	766 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	767 if (props.xaxislocation_is ("top"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	768 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	769 double tmp = yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	770 yPlane = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	771 yPlaneN = tmp;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	772 x2Dtop = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	773 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	774 if (props.yaxislocation_is ("right"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	775 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	776 double tmp = xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	777 xPlane = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	778 xPlaneN = tmp;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	779 y2Dright = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	780 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	781 if (props.layer_is ("top"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	782 zpTick = zPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	783 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	784
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	785 Matrix axe_color = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	786 bool visible = props.is_visible ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	787 bool box = props.is_box ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	788
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	789 // Axes planes
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	790
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	791 if (axe_color.numel () > 0 && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	792 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	793 set_color (axe_color);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	794 set_polygon_offset (true, 2.5);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	795
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	796 glBegin (GL_QUADS);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	797
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	798 // X plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	799 glVertex3d (xPlane, y_min, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	800 glVertex3d (xPlane, y_max, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	801 glVertex3d (xPlane, y_max, z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	802 glVertex3d (xPlane, y_min, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	803
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	804 // Y plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	805 glVertex3d (x_min, yPlane, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	806 glVertex3d (x_max, yPlane, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	807 glVertex3d (x_max, yPlane, z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	808 glVertex3d (x_min, yPlane, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	809
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	810 // Z plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	811 glVertex3d (x_min, y_min, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	812 glVertex3d (x_max, y_min, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	813 glVertex3d (x_max, y_max, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	814 glVertex3d (x_min, y_max, zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	815
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	816 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	817
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	818 set_polygon_offset (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	819 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	820
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	821 // Axes box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	822
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	823 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	824 set_linewidth (props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	825
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	826 if (visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	827 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	828 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	829
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	830 // X box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	831 set_color (props.get_xcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	832 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	833 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	834 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	835 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	836 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	837 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	838 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	839 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	840 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	841 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	842 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	843
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	844 // Y box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	845 set_color (props.get_ycolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	846 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	847 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	848 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	849 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	850 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	851 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	852 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	853 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	854 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	855 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	856 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	857
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	858 // Z box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	859 set_color (props.get_zcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	860 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	861 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	862 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	863 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	864 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	865 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	866 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	867 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	868 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	869 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	870 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	871 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	872 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	873 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	874 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	875 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	876 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	877 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	878 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	879 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	880 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	881 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	882 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	883 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	884 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	885 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	886 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	887
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	888 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	889 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	890
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	891 std::string gridstyle = props.get_gridlinestyle ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	892 std::string minorgridstyle = props.get_minorgridlinestyle ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	893
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	894 set_font (props);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	895
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	896 // X grid
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	897
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	898 if (visible && xstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	899 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	900 bool do_xgrid = (props.is_xgrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	901 bool do_xminorgrid = (props.is_xminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	902 bool do_xminortick = props.is_xminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	903 Matrix xticks = xform.xscale (props.get_xtick ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	904 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	905 Matrix xmticks;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	906 string_vector xticklabels = props.get_xticklabel ().all_strings ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	907 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	908 bool tick_along_z = xisinf (fy);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	909 Matrix tickpos (xticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	910
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	911 set_color (props.get_xcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	912
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	913 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	914 if (do_xgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	915 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	916 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	917 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	918 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	919 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	920 double xval = xticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	921
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	922 if (xlim(0) <= xval && xlim(1) >= xval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	923 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	924 glVertex3d (xval, yPlaneN, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	925 glVertex3d (xval, yPlane, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	926 if (zstate != AXE_DEPTH_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	927 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	928 glVertex3d (xval, yPlane, zPlaneN);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	929 glVertex3d (xval, yPlane, zPlane);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	930 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	931 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	932 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	933 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	934 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	935 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	936
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	937 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	938 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	939 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	940 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	941 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	942 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	943 double xval = xticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	944
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	945 if (xlim(0) <= xval && xlim(1) >= xval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	946 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	947 glVertex3d (xval, yPlaneN, zPlane);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	948 glVertex3d (xval, yPlaneN, zPlane+signum(zPlane-zPlaneN)fzxticklen*tickdir);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	949 if (box && xstate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	950 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	951 glVertex3d (xval, yPlaneN, zPlaneN);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	952 glVertex3d (xval, yPlaneN,
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	953 zPlaneN+signum(zPlaneN-zPlane)fzxticklen*tickdir);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	954 }
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	955 tickpos(i,0) = xval;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	956 tickpos(i,1) = yPlaneN;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	957 tickpos(i,2) = zPlane+signum(zPlane-zPlaneN)fzxtickoffset;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	958 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	959 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	960 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	961 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	962 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	963 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	964 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	965 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	966 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	967 double xval = xticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	968
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	969 if (xlim(0) <= xval && xlim(1) >= xval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	970 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	971 glVertex3d (xval, yPlaneN, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	972 glVertex3d (xval, yPlaneN+signum(yPlaneN-yPlane)fyxticklen*tickdir, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	973 if (box && xstate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	974 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	975 glVertex3d (xval, yPlane, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	976 glVertex3d (xval,
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	977 yPlane+signum(yPlane-yPlaneN)fyxticklen*tickdir, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	978 }
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	979 tickpos(i,0) = xval;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	980 tickpos(i,1) = yPlaneN+signum(yPlaneN-yPlane)fyxtickoffset;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	981 tickpos(i,2) = zPlane;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	982 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	983 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	984 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	985 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	986
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	987 // tick texts
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	988 if (xticklabels.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	989 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	990 int n = std::min (xticklabels.numel (), xticks.numel ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	991 int halign = (xstate == AXE_HORZ_DIR ? 1 : (xySym ? 0 : 2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	992 int valign = (xstate == AXE_VERT_DIR
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	993 ? 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	994 : (zd*zv(2) <= 0 && !x2Dtop ? 2 : 0));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	995
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	996 for (int i = 0; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	997 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	998 double xval = xticks(i);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	999
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1000 if (xlim(0) <= xval && xlim(1) >= xval)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1001 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1002 // FIXME: as tick text is transparent, shouldn't be
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1003 // drawn after axes object, for correct rendering?
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1004 Matrix b = render_text (xticklabels(i),
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1005 tickpos(i,0), tickpos(i,1), tickpos(i,2),
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1006 halign, valign);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1007
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1008 wmax = std::max (wmax, static_cast<int> (b(2)));
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1009 hmax = std::max (hmax, static_cast<int> (b(3)));
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1010 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1011 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1012 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1013
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1014 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1015 if (do_xminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1016 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1017 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1018 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1019 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1020 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1021 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1022
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1023 if (xlim(0) <= xval && xlim(1) >= xval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1024 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1025 glVertex3d (xval, yPlaneN, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1026 glVertex3d (xval, yPlane, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1027 if (zstate != AXE_DEPTH_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1028 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1029 glVertex3d (xval, yPlane, zPlaneN);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1030 glVertex3d (xval, yPlane, zPlane);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1031 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1032 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1033 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1034 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1035 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1036 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1037
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1038 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1039 if (do_xminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1040 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1041 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1042 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1043 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1044 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1045 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1046 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1047
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1048 if (xlim(0) <= xval && xlim(1) >= xval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1049 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1050 glVertex3d (xval, yPlaneN, zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1051 glVertex3d (xval, yPlaneN,
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1052 zPlane+signum(zPlane-zPlaneN)fzxticklen/2*tickdir);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1053 if (box && xstate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1054 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1055 glVertex3d (xval, yPlaneN, zPlaneN);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1056 glVertex3d (xval, yPlaneN,
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1057 zPlaneN+signum(zPlaneN-zPlane)fzxticklen/2*tickdir);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1058 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1059 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1060 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1061 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1062 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1063 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1064 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1065 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1066 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1067 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1068 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1069
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1070 if (xlim(0) <= xval && xlim(1) >= xval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1071 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1072 glVertex3d (xval, yPlaneN, zpTick);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1073 glVertex3d (xval,
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1074 yPlaneN+signum(yPlaneN-yPlane)fyxticklen/2*tickdir, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1075 if (box && xstate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1076 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1077 glVertex3d (xval, yPlane, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1078 glVertex3d (xval,
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1079 yPlane+signum(yPlane-yPlaneN)fyxticklen/2*tickdir, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1080 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1081 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1082 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1083 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1084 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1085 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1086
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1087 text::properties& xlabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1088 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_xlabel ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1089
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1090 xlabel_props.set_visible ("on");
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1091
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1092 if (! xlabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1093 {
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1094 if (xlabel_props.horizontalalignmentmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1095 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1096 xlabel_props.set_horizontalalignment (xstate > AXE_DEPTH_DIR ? "center" : (xySym ? "left" : "right"));
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1097 xlabel_props.set_horizontalalignmentmode("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1098 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1099 if (xlabel_props.verticalalignmentmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1100 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1101 xlabel_props.set_verticalalignment (xstate == AXE_VERT_DIR ? "bottom" : (zd*zv(2) <= 0 ? "top" : "bottom"));
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1102 xlabel_props.set_verticalalignmentmode("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1103 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1104
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1105 if (xlabel_props.positionmode_is("auto") \|\| xlabel_props.rotationmode_is("auto"))
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1106 {
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1107 double angle = 0;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1108 ColumnVector p = graphics_xform::xform_vector ((x_min+x_max)/2, yPlaneN, zPlane);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1109
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1110 if (tick_along_z)
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1111 p(2) += (signum(zPlane-zPlaneN)fzxtickoffset);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1112 else
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1113 p(1) += (signum(yPlaneN-yPlane)fyxtickoffset);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1114 p = xform.transform (p(0), p(1), p(2), false);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1115 switch (xstate)
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1116 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1117 case AXE_ANY_DIR:
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1118 p(0) += (xySym ? wmax : -wmax);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1119 p(1) += (zd*zv(2) <= 0 ? hmax : -hmax);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1120 break;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1121 case AXE_VERT_DIR:
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1122 p(0) -= wmax;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1123 angle = 90;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1124 break;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1125 case AXE_HORZ_DIR:
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1126 p(1) += hmax;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1127 break;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1128 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1129 if (xlabel_props.positionmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1130 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1131 p = xform.untransform (p(0), p(1), p(2), true);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1132 xlabel_props.set_position (p.extract_n (0, 3).transpose ());
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1133 xlabel_props.set_positionmode ("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1134 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1135 if (xlabel_props.rotationmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1136 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1137 xlabel_props.set_rotation (angle);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1138 xlabel_props.set_rotationmode ("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1139 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1140 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1141 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1142 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1143 else
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1144 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1145 gh_manager::get_object (props.get_xlabel ()).set ("visible", "off");
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1146 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1147
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1148 // Y grid
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1149
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1150 if (ystate != AXE_DEPTH_DIR && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1151 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1152 bool do_ygrid = (props.is_ygrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1153 bool do_yminorgrid = (props.is_yminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1154 bool do_yminortick = props.is_yminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1155 Matrix yticks = xform.yscale (props.get_ytick ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1156 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1157 Matrix ymticks;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1158 string_vector yticklabels = props.get_yticklabel ().all_strings ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1159 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1160 bool tick_along_z = xisinf (fx);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1161 Matrix tickpos (yticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1162
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1163 set_color (props.get_ycolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1164
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1165 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1166 if (do_ygrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1167 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1168 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1169 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1170 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1171 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1172 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1173
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1174 if (ylim(0) <= yval && ylim(1) >= yval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1175 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1176 glVertex3d (xPlaneN, yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1177 glVertex3d (xPlane, yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1178 if (zstate != AXE_DEPTH_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1179 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1180 glVertex3d (xPlane, yval, zPlaneN);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1181 glVertex3d (xPlane, yval, zPlane);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1182 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1183 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1184 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1185 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1186 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1187 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1188
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1189 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1190 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1191 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1192 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1193 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1194 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1195 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1196
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1197 if (ylim(0) <= yval && ylim(1) >= yval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1198 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1199 glVertex3d (xPlaneN, yval, zPlane);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1200 glVertex3d (xPlaneN, yval, zPlane+signum(zPlane-zPlaneN)fzyticklen*tickdir);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1201 if (box && ystate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1202 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1203 glVertex3d (xPlaneN, yval, zPlaneN);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1204 glVertex3d (xPlaneN, yval,
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1205 zPlaneN+signum(zPlaneN-zPlane)fzyticklen*tickdir);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1206 }
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1207 tickpos(i,0) = xPlaneN;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1208 tickpos(i,1) = yval;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1209 tickpos(i,2) = zPlane+signum(zPlane-zPlaneN)fzytickoffset;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1210 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1211 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1212 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1213 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1214 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1215 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1216 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1217 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1218 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1219 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1220
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1221 if (ylim(0) <= yval && ylim(1) >= yval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1222 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1223 glVertex3d (xPlaneN, yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1224 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxyticklen*tickdir, yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1225 if (box && ystate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1226 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1227 glVertex3d (xPlane, yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1228 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxyticklen*tickdir,
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1229 yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1230 }
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1231 tickpos(i,0) = xPlaneN+signum(xPlaneN-xPlane)fxytickoffset;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1232 tickpos(i,1) = yval;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1233 tickpos(i,2) = zPlane;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1234 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1235 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1236 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1237 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1238
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1239 // tick texts
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1240 if (yticklabels.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1241 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1242 int n = std::min (yticklabels.numel (), yticks.numel ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1243 int halign = (ystate == AXE_HORZ_DIR ? 1 : (!xySym \|\| y2Dright ? 0 : 2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1244 int valign = (ystate == AXE_VERT_DIR ? 1 : (zd*zv(2) <= 0 ? 2 : 0));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1245
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1246 for (int i = 0; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1247 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1248 double yval = yticks(i);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1249
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1250 if (ylim(0) <= yval && ylim(1) >= yval)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1251 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1252 // FIXME: as tick text is transparent, shouldn't be
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1253 // drawn after axes object, for correct rendering?
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1254 Matrix b = render_text (yticklabels(i),
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1255 tickpos(i,0), tickpos(i,1), tickpos(i,2),
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1256 halign, valign);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1257
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1258 wmax = std::max (wmax, static_cast<int> (b(2)));
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1259 hmax = std::max (hmax, static_cast<int> (b(3)));
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1260 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1261 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1262 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1263
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1264 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1265 if (do_yminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1266 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1267 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1268 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1269 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1270 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1271 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1272
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1273 if (ylim(0) <= yval && ylim(1) >= yval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1274 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1275 glVertex3d (xPlaneN, yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1276 glVertex3d (xPlane, yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1277 if (zstate != AXE_DEPTH_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1278 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1279 glVertex3d (xPlane, yval, zPlaneN);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1280 glVertex3d (xPlane, yval, zPlane);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1281 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1282 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1283 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1284 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1285 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1286 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1287
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1288 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1289 if (do_yminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1290 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1291 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1292 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1293 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1294 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1295 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1296 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1297
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1298 if (ylim(0) <= yval && ylim(1) >= yval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1299 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1300 glVertex3d (xPlaneN, yval, zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1301 glVertex3d (xPlaneN, yval,
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1302 zPlane+signum(zPlane-zPlaneN)fzyticklen/2*tickdir);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1303 if (box && ystate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1304 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1305 glVertex3d (xPlaneN, yval, zPlaneN);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1306 glVertex3d (xPlaneN, yval,
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1307 zPlaneN+signum(zPlaneN-zPlane)fzyticklen/2*tickdir);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1308 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1309 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1310 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1311 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1312 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1313 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1314 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1315 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1316 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1317 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1318 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1319
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1320 if (ylim(0) <= yval && ylim(1) >= yval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1321 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1322 glVertex3d (xPlaneN, yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1323 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxyticklen/2*tickdir,
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1324 yval, zpTick);
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1325 if (box && ystate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1326 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1327 glVertex3d (xPlane, yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1328 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxyticklen/2*tickdir,
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1329 yval, zpTick);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1330 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1331 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1332 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1333 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1334 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1335 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1336
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1337 text::properties& ylabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1338 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_ylabel ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1339
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1340 ylabel_props.set_visible ("on");
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1341
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1342 if (! ylabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1343 {
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1344 if (ylabel_props.horizontalalignmentmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1345 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1346 ylabel_props.set_horizontalalignment (ystate > AXE_DEPTH_DIR ? "center" : (!xySym ? "left" : "right"));
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1347 ylabel_props.set_horizontalalignmentmode("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1348 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1349 if (ylabel_props.verticalalignmentmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1350 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1351 ylabel_props.set_verticalalignment (ystate == AXE_VERT_DIR ? "bottom" : (zd*zv(2) <= 0 ? "top" : "bottom"));
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1352 ylabel_props.set_verticalalignmentmode("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1353 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1354
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1355 if (ylabel_props.positionmode_is("auto") \|\| ylabel_props.rotationmode_is("auto"))
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1356 {
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1357 double angle = 0;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1358 ColumnVector p = graphics_xform::xform_vector (xPlaneN, (y_min+y_max)/2, zPlane);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1359
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1360 if (tick_along_z)
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1361 p(2) += (signum(zPlane-zPlaneN)fzytickoffset);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1362 else
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1363 p(0) += (signum(xPlaneN-xPlane)fxytickoffset);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1364 p = xform.transform (p(0), p(1), p(2), false);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1365 switch (ystate)
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1366 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1367 case AXE_ANY_DIR:
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1368 p(0) += (!xySym ? wmax : -wmax);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1369 p(1) += (zd*zv(2) <= 0 ? hmax : -hmax);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1370 break;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1371 case AXE_VERT_DIR:
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1372 p(0) -= wmax;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1373 angle = 90;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1374 break;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1375 case AXE_HORZ_DIR:
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1376 p(1) += hmax;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1377 break;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1378 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1379 if (ylabel_props.positionmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1380 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1381 p = xform.untransform (p(0), p(1), p(2), true);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1382 ylabel_props.set_position (p.extract_n (0, 3).transpose ());
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1383 ylabel_props.set_positionmode ("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1384 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1385 if (ylabel_props.rotationmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1386 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1387 ylabel_props.set_rotation (angle);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1388 ylabel_props.set_rotationmode ("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1389 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1390 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1391 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1392 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1393 else
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1394 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1395 gh_manager::get_object (props.get_ylabel ()).set ("visible", "off");
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1396 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1397
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1398 // Z Grid
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1399
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1400 if (zstate != AXE_DEPTH_DIR && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1401 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1402 bool do_zgrid = (props.is_zgrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1403 bool do_zminorgrid = (props.is_zminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1404 bool do_zminortick = props.is_zminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1405 Matrix zticks = xform.zscale (props.get_ztick ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1406 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1407 Matrix zmticks;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1408 string_vector zticklabels = props.get_zticklabel ().all_strings ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1409 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1410 Matrix tickpos (zticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1411
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1412 set_color (props.get_zcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1413
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1414 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1415 if (do_zgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1416 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1417 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1418 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1419 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1420 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1421 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1422
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1423 if (zlim(0) <= zval && zlim(1) >= zval)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1424 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1425 glVertex3d (xPlaneN, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1426 glVertex3d (xPlane, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1427 glVertex3d (xPlane, yPlaneN, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1428 glVertex3d (xPlane, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1429 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1430 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1431 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1432 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1433 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1434
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1435 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1436 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1437 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1438 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1439 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1440 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1441 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1442 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1443 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1444
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1445 if (zlim(0) <= zval && zlim(1) >= zval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1446 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1447 glVertex3d (xPlaneN, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1448 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxzticklen*tickdir,
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1449 yPlane, zval);
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1450 if (box && zstate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1451 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1452 glVertex3d (xPlane, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1453 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen*tickdir,
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1454 yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1455 }
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1456 tickpos(i,0) = xPlaneN+signum(xPlaneN-xPlane)fxztickoffset;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1457 tickpos(i,1) = yPlane;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1458 tickpos(i,2) = zval;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1459 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1460 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1461 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1462 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1463 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1464 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1465 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1466 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1467 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1468 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1469
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1470 if (zlim(0) <= zval && zlim(1) >= zval)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1471 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1472 glVertex3d (xPlaneN, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1473 glVertex3d (xPlaneN, yPlane+signum(yPlane-yPlaneN)fyzticklen*tickdir, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1474 tickpos(i,0) = xPlaneN;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1475 tickpos(i,1) = yPlane+signum(yPlane-yPlaneN)fyztickoffset;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1476 tickpos(i,2) = zval;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1477 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1478 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1479 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1480 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1481 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1482 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1483 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1484 if (xisinf (fx))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1485 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1486 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1487 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1488 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1489 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1490
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1491 if (zlim(0) <= zval && zlim(1) >= zval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1492 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1493 glVertex3d (xPlane, yPlaneN, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1494 glVertex3d (xPlane, yPlaneN+signum(yPlaneN-yPlane)fyzticklen*tickdir, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1495 if (box && zstate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1496 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1497 glVertex3d (xPlane, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1498 glVertex3d (xPlane, yPlane+signum(yPlane-yPlaneN)fyzticklen*tickdir, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1499 }
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1500 tickpos(i,0) = xPlane;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1501 tickpos(i,1) = yPlaneN+signum(yPlaneN-yPlane)fyztickoffset;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1502 tickpos(i,2) = zval;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1503 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1504 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1505 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1506 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1507 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1508 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1509 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1510 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1511 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1512 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1513
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1514 if (zlim(0) <= zval && zlim(1) >= zval)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1515 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1516 glVertex3d (xPlane, yPlaneN, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1517 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen*tickdir, yPlaneN, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1518 tickpos(i,0) = xPlane+signum(xPlane-xPlaneN)fxztickoffset;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1519 tickpos(i,1) = yPlaneN;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1520 tickpos(i,2) = zval;
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1521 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1522 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1523 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1524 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1525 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1526
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1527 // FIXME: tick texts
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1528 if (zticklabels.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1529 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1530 int n = std::min (zticklabels.numel (), zticks.numel ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1531 int halign = 2;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1532 int valign = (zstate == AXE_VERT_DIR ? 1 : (zd*zv(2) < 0 ? 3 : 2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1533
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1534 for (int i = 0; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1535 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1536 double zval = zticks(i);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1537
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1538 if (zlim(0) <= zval && zlim(1) >= zval)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1539 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1540 // FIXME: as tick text is transparent, shouldn't be
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1541 // drawn after axes object, for correct rendering?
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1542 Matrix b = render_text (zticklabels(i),
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1543 tickpos(i,0), tickpos(i,1), tickpos(i,2),
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1544 halign, valign);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1545
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1546 wmax = std::max (wmax, static_cast<int> (b(2)));
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1547 hmax = std::max (hmax, static_cast<int> (b(3)));
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1548 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1549 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1550 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1551
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1552 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1553 if (do_zminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1554 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1555 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1556 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1557 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1558 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1559 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1560
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1561 if (zlim(0) <= zval && zlim(1) >= zval)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1562 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1563 glVertex3d (xPlaneN, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1564 glVertex3d (xPlane, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1565 glVertex3d (xPlane, yPlaneN, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1566 glVertex3d (xPlane, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1567 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1568 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1569 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1570 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1571 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1572
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1573 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1574 if (do_zminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1575 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1576 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1577 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1578 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1579 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1580 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1581 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1582 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1583 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1584
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1585 if (zlim(0) <= zval && zlim(1) >= zval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1586 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1587 glVertex3d (xPlaneN, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1588 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxzticklen/2*tickdir,
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1589 yPlane, zval);
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1590 if (box && zstate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1591 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1592 glVertex3d (xPlane, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1593 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen/2*tickdir,
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1594 yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1595 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1596 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1597 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1598 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1599 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1600 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1601 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1602 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1603 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1604 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1605 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1606
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1607 if (zlim(0) <= zval && zlim(1) >= zval)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1608 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1609 glVertex3d (xPlaneN, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1610 glVertex3d (xPlaneN, yPlane+signum(yPlane-yPlaneN)fyzticklen/2*tickdir, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1611 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1612 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1613 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1614 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1615 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1616 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1617 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1618 if (xisinf (fx))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1619 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1620 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1621 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1622 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1623 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1624
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1625 if (zlim(0) <= zval && zlim(1) >= zval)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1626 {
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1627 glVertex3d (xPlane, yPlaneN, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1628 glVertex3d (xPlane, yPlaneN+signum(yPlaneN-yPlane)fyzticklen/2*tickdir, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1629 if (box && zstate != AXE_ANY_DIR)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1630 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1631 glVertex3d (xPlane, yPlane, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1632 glVertex3d (xPlane, yPlane+signum(yPlane-yPlaneN)fyzticklen/2*tickdir, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1633 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1634 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1635 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1636 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1637 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1638 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1639 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1640 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1641 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1642 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1643 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1644
11166 9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1645 if (zlim(0) <= zval && zlim(1) >= zval)
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1646 {
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1647 glVertex3d (xPlane, yPlaneN, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1648 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen/2*tickdir, yPlaneN, zval);
9cdf43d1fa16 gl-render.cc: Crop ticks, ticklabels, and gridlines for OpenGL backend. Ben Abbott <bpabbott@mac.com> parents: 11163 diff changeset	1649 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1650 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1651 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1652 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1653 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1654 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1655
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1656 text::properties& zlabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1657 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_zlabel ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1658
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1659 zlabel_props.set_visible ("on");
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1660
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1661 if (! zlabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1662 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1663 bool camAuto = props.cameraupvectormode_is ("auto");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1664
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1665 if (zlabel_props.horizontalalignmentmode_is("auto"))
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1666 {
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1667 zlabel_props.set_horizontalalignment ((zstate > AXE_DEPTH_DIR \|\| camAuto) ? "center" : "right");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1668 zlabel_props.set_horizontalalignmentmode("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1669 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1670 if (zlabel_props.verticalalignmentmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1671 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1672 zlabel_props.set_verticalalignment(zstate == AXE_VERT_DIR ? "bottom" : ((zd*zv(2) < 0 \|\| camAuto) ? "bottom" : "top"));
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1673 zlabel_props.set_verticalalignmentmode("auto");
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1674 }
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1675
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1676 if (zlabel_props.positionmode_is("auto") \|\| zlabel_props.rotationmode_is("auto"))
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1677 {
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1678 double angle = 0;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1679 ColumnVector p;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1680
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1681 if (xySym)
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1682 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1683 p = graphics_xform::xform_vector (xPlaneN, yPlane, (z_min+z_max)/2);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1684 if (xisinf (fy))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1685 p(0) += (signum(xPlaneN-xPlane)fxztickoffset);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1686 else
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1687 p(1) += (signum(yPlane-yPlaneN)fyztickoffset);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1688 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1689 else
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1690 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1691 p = graphics_xform::xform_vector (xPlane, yPlaneN, (z_min+z_max)/2);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1692 if (xisinf (fx))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1693 p(1) += (signum(yPlaneN-yPlane)fyztickoffset);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1694 else
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1695 p(0) += (signum(xPlane-xPlaneN)fxztickoffset);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1696 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1697 p = xform.transform (p(0), p(1), p(2), false);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1698 switch (zstate)
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1699 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1700 case AXE_ANY_DIR:
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1701 if (camAuto)
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1702 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1703 p(0) -= wmax;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1704 angle = 90;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1705 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1706 /* FIXME: what's the correct offset?
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1707 p[0] += (!xySym ? wmax : -wmax);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1708 p[1] += (zd*zv[2] <= 0 ? hmax : -hmax);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1709 */
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1710 break;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1711 case AXE_VERT_DIR:
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1712 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1713 angle = 90;
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1714 break;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1715 case AXE_HORZ_DIR:
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1716 p(1) += hmax;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1717 break;
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1718 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1719 if (zlabel_props.positionmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1720 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1721 p = xform.untransform (p(0), p(1), p(2), true);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1722 zlabel_props.set_position (p.extract_n (0, 3).transpose ());
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1723 zlabel_props.set_positionmode ("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1724 }
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1725 if (zlabel_props.rotationmode_is("auto"))
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1726 {
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1727 zlabel_props.set_rotation (angle);
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1728 zlabel_props.set_rotationmode ("auto");
71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1729 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1730 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1731 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1732 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1733 else
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1734 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1735 gh_manager::get_object (props.get_zlabel ()).set ("visible", "off");
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1736 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1737
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1738 set_linestyle ("-");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1739
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1740 // Title
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1741
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1742 text::properties& title_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1743 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_title ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1744
11385 71e7467fbd34 Disable auto-positioning of manually positioned title and axes labels. Konstantinos Poulios <logari81@googlemail.com> parents: 11266 diff changeset	1745 if (! title_props.get_string ().empty () && title_props.positionmode_is("auto"))
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1746 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1747 Matrix bb = props.get_boundingbox (true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1748 ColumnVector p = xform.untransform (bb(0)+bb(2)/2, (bb(1)-10),
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1749 (x_zlim(0)+x_zlim(1))/2, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1750 title_props.set_position (p.extract_n(0, 3).transpose ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1751 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1752
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1753 set_clipbox (x_min, x_max, y_min, y_max, z_min, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1754
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1755 // Children
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1756
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1757 if (antialias == GL_TRUE)
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1758 glEnable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1759
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1760 Matrix children = props.get_all_children ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1761 std::list<graphics_object> obj_list;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1762 std::list<graphics_object>::iterator it;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1763
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1764 // 1st pass: draw light objects
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1765
11026 811d8f113423 reverse order in which child objects are processed in OpenGL renderer John W. Eaton <jwe@octave.org> parents: 10924 diff changeset	1766 // Start with the last element of the array of child objects to
811d8f113423 reverse order in which child objects are processed in OpenGL renderer John W. Eaton <jwe@octave.org> parents: 10924 diff changeset	1767 // display them in the oder they were added to the array.
811d8f113423 reverse order in which child objects are processed in OpenGL renderer John W. Eaton <jwe@octave.org> parents: 10924 diff changeset	1768
811d8f113423 reverse order in which child objects are processed in OpenGL renderer John W. Eaton <jwe@octave.org> parents: 10924 diff changeset	1769 for (octave_idx_type i = children.numel () - 1; i >= 0; i--)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1770 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1771 graphics_object go = gh_manager::get_object (children (i));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1772
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1773 if (go.get_properties ().is_visible ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1774 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1775 if (go.isa ("light"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1776 draw (go);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1777 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1778 obj_list.push_back (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1779 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1780 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1781
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1782 // 2nd pass: draw other objects (with units set to "data")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1783
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1784 it = obj_list.begin ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1785 while (it != obj_list.end ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1786 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1787 graphics_object go = (*it);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1788
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1789 // FIXME: check whether object has "units" property and it is set to "data"
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	1790 if (! go.isa ("text") \|\| go.get ("units").string_value () == "data")
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1791 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1792 set_clipping (go.get_properties ().is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1793 draw (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1794
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1795 it = obj_list.erase (it);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1796 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1797 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1798 it++;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1799 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1800
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1801 // 3rd pass: draw remaining objects
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1802
10402 9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	1803 glDisable (GL_DEPTH_TEST);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1804 for (it = obj_list.begin (); it != obj_list.end (); it++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1805 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1806 graphics_object go = (*it);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1807
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1808 set_clipping (go.get_properties ().is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1809 draw (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1810 }
10402 9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	1811 glEnable (GL_DEPTH_TEST);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1812
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1813 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1814 // FIXME: finalize rendering (transparency processing)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1815 // FIXME: draw zoom box, if needed
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1816 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1817
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1818 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	1819 opengl_renderer::draw_line (const line::properties& props)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1820 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1821 Matrix x = xform.xscale (props.get_xdata ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1822 Matrix y = xform.yscale (props.get_ydata ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1823 Matrix z = xform.zscale (props.get_zdata ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1824
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1825 bool has_z = (z.numel () > 0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1826 int n = static_cast<int> (::xmin (::xmin (x.numel (), y.numel ()), (has_z ? z.numel () : INT_MAX)));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1827 octave_uint8 clip_mask = (props.is_clipping () ? 0x7F : 0x40), clip_ok (0x40);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1828
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1829 std::vector<octave_uint8> clip (n);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1830
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1831 if (has_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1832 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1833 clip[i] = (clip_code (x(i), y(i), z(i)) & clip_mask);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1834 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1835 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1836 double z_mid = (zmin+zmax)/2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1837
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1838 for (int i = 0; i < n; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1839 clip[i] = (clip_code (x(i), y(i), z_mid) & clip_mask);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1840 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1841
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1842 if (! props.linestyle_is ("none"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1843 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1844 set_color (props.get_color_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1845 set_linestyle (props.get_linestyle (), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1846 set_linewidth (props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1847
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1848 if (has_z)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1849 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1850 bool flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1851
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1852 for (int i = 1; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1853 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1854 if ((clip[i-1] & clip[i]) == clip_ok)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1855 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1856 if (! flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1857 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1858 flag = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1859 glBegin (GL_LINE_STRIP);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1860 glVertex3d (x(i-1), y(i-1), z(i-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1861 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1862 glVertex3d (x(i), y(i), z(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1863 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1864 else if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1865 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1866 flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1867 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1868 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1869 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1870
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1871 if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1872 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1873 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1874 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1875 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1876 bool flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1877
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1878 for (int i = 1; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1879 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1880 if ((clip[i-1] & clip[i]) == clip_ok)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1881 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1882 if (! flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1883 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1884 flag = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1885 glBegin (GL_LINE_STRIP);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1886 glVertex2d (x(i-1), y(i-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1887 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1888 glVertex2d (x(i), y(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1889 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1890 else if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1891 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1892 flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1893 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1894 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1895 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1896
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1897 if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1898 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1899 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1900
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1901 set_linewidth (0.5);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1902 set_linestyle ("-");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1903 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1904
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1905 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1906
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1907 if (! props.marker_is ("none") &&
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1908 ! (props.markeredgecolor_is ("none")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1909 && props.markerfacecolor_is ("none")))
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1910 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1911 Matrix lc, fc;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1912
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1913 if (props.markeredgecolor_is ("auto"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1914 lc = props.get_color_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1915 else if (! props.markeredgecolor_is ("none"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1916 lc = props.get_markeredgecolor_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1917
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1918 if (props.markerfacecolor_is ("auto"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1919 fc = props.get_color_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1920 else if (! props.markerfacecolor_is ("none"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1921 fc = props.get_markerfacecolor_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1922
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1923 init_marker (props.get_marker (), props.get_markersize (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1924 props.get_linewidth ());
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1925
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1926 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1927 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1928 if (clip[i] == clip_ok)
11266 be710ed252ff gl-render.cc (opengl_renderer::draw_line): layer markers in 2D plots Daisuke TAKAGO <takago@neptune.kanazawa-it.ac.jp> parents: 11209 diff changeset	1929 draw_marker (x(i), y(i),
be710ed252ff gl-render.cc (opengl_renderer::draw_line): layer markers in 2D plots Daisuke TAKAGO <takago@neptune.kanazawa-it.ac.jp> parents: 11209 diff changeset	1930 has_z ? z(i) : static_cast<double> (i) / n,
be710ed252ff gl-render.cc (opengl_renderer::draw_line): layer markers in 2D plots Daisuke TAKAGO <takago@neptune.kanazawa-it.ac.jp> parents: 11209 diff changeset	1931 lc, fc);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1932 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1933
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1934 end_marker ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1935 }
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1936
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1937 set_clipping (props.is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1938 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1939
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1940 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	1941 opengl_renderer::draw_surface (const surface::properties& props)
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1942 {
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	1943 const Matrix x = xform.xscale (props.get_xdata ().matrix_value ());
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	1944 const Matrix y = xform.yscale (props.get_ydata ().matrix_value ());
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	1945 const Matrix z = xform.zscale (props.get_zdata ().matrix_value ());
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1946
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1947 int zr = z.rows (), zc = z.columns ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1948
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1949 NDArray c;
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	1950 const NDArray n = props.get_vertexnormals ().array_value ();
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1951
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1952 // FIXME: handle transparency
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1953 Matrix a;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1954
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1955 if (props.facelighting_is ("phong") \|\| props.edgelighting_is ("phong"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1956 warning ("opengl_renderer::draw: phong light model not supported");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1957
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1958 int fc_mode = (props.facecolor_is_rgb () ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1959 (props.facecolor_is ("flat") ? 1 :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1960 (props.facecolor_is ("interp") ? 2 :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1961 (props.facecolor_is ("texturemap") ? 3 : -1))));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1962 int fl_mode = (props.facelighting_is ("none") ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1963 (props.facelighting_is ("flat") ? 1 : 2));
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1964 int fa_mode = (props.facealpha_is_double () ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1965 (props.facealpha_is ("flat") ? 1 : 2));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1966 int ec_mode = (props.edgecolor_is_rgb () ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1967 (props.edgecolor_is ("flat") ? 1 :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1968 (props.edgecolor_is ("interp") ? 2 : -1)));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1969 int el_mode = (props.edgelighting_is ("none") ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1970 (props.edgelighting_is ("flat") ? 1 : 2));
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1971 int ea_mode = (props.edgealpha_is_double () ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1972 (props.edgealpha_is ("flat") ? 1 : 2));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1973
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1974 Matrix fcolor = (fc_mode == 3 ? Matrix (1, 3, 1.0) : props.get_facecolor_rgb ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1975 Matrix ecolor = props.get_edgecolor_rgb ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1976
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1977 float as = props.get_ambientstrength ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1978 float ds = props.get_diffusestrength ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1979 float ss = props.get_specularstrength ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1980 float se = props.get_specularexponent ();
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1981 float cb[4] = { 0.0, 0.0, 0.0, 1.0 };
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1982 double d = 1.0;
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1983
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1984 opengl_texture tex;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1985
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1986 int i1, i2, j1, j2;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1987 bool x_mat = (x.rows () == z.rows ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1988 bool y_mat = (y.columns () == z.columns ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1989
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1990 i1 = i2 = j1 = j2 = 0;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1991
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1992 boolMatrix clip (z.dims (), false);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1993
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1994 for (int i = 0; i < zr; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1995 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1996 if (x_mat)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1997 i1 = i;
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1998
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1999 for (int j = 0; j < zc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2000 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2001 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2002 j1 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2003
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2004 clip(i,j) = is_nan_or_inf (x(i1,j), y(i,j1), z(i,j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2005 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2006 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2007
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2008 if ((fc_mode > 0 && fc_mode < 3) \|\| ec_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2009 c = props.get_color_data ().array_value ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2010
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2011 if (fa_mode > 0 \|\| ea_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2012 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2013 // FIXME: implement alphadata conversion
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2014 //a = props.get_alpha_data ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2015 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2016
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2017 if (fl_mode > 0 \|\| el_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2018 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2019 float buf[4] = { ss, ss, ss, 1 };
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2020
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2021 glMaterialfv (LIGHT_MODE, GL_SPECULAR, buf);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2022 glMaterialf (LIGHT_MODE, GL_SHININESS, se);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2023 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2024
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	2025 // FIXME: good candidate for caching, transfering pixel
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	2026 // data to OpenGL is time consuming.
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2027 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	2028 tex = opengl_texture::create (props.get_color_data ());
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2029
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2030 if (! props.facecolor_is ("none"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2031 {
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2032 if (props.get_facealpha_double () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2033 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2034 if (fc_mode == 0 \|\| fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2035 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2036 glColor3dv (fcolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2037 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2038 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2039 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2040 cb[i] = as * fcolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2041 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2042
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2043 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2044 cb[i] = ds * fcolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2045 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2046 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2047 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2048
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2049 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2050 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2051 glShadeModel ((fc_mode == 2 \|\| fl_mode == 2) ? GL_SMOOTH : GL_FLAT);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2052 set_polygon_offset (true, 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2053 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2054 glEnable (GL_TEXTURE_2D);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2055
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2056 for (int i = 1; i < zc; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2057 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2058 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2059 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2060 i1 = i-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2061 i2 = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2062 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2063
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2064 for (int j = 1; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2065 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2066 if (clip(j-1, i-1) \|\| clip (j, i-1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2067 \|\| clip (j-1, i) \|\| clip (j, i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2068 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2069
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2070 if (x_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2071 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2072 j1 = j-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2073 j2 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2074 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2075
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2076 glBegin (GL_QUADS);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2077
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2078 // Vertex 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2079 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2080 tex.tex_coord (double (i-1) / (zc-1), double (j-1) / (zr-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2081 else if (fc_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2082 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2083 // FIXME: is there a smarter way to do this?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2084 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2085 cb[k] = c(j-1, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2086 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2087
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2088 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2089 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2090 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2091 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2092 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2093
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2094 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2095 cb[k] = ds * c(j-1, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2096 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2097 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2098 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2099 if (fl_mode > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2100 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2101 d = sqrt (n(j-1,i-1,0) * n(j-1,i-1,0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2102 + n(j-1,i-1,1) * n(j-1,i-1,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2103 + n(j-1,i-1,2) * n(j-1,i-1,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2104 glNormal3d (n(j-1,i-1,0)/d, n(j-1,i-1,1)/d, n(j-1,i-1,2)/d);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2105 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2106 glVertex3d (x(j1,i-1), y(j-1,i1), z(j-1,i-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2107
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2108 // Vertex 2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2109 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2110 tex.tex_coord (double (i) / (zc-1), double (j-1) / (zr-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2111 else if (fc_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2112 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2113 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2114 cb[k] = c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2115 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2116
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2117 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2118 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2119 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2120 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2121 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2122
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2123 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2124 cb[k] = ds * c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2125 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2126 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2127 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2128
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2129 if (fl_mode == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2130 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2131 d = sqrt (n(j-1,i,0) * n(j-1,i,0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2132 + n(j-1,i,1) * n(j-1,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2133 + n(j-1,i,2) * n(j-1,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2134 glNormal3d (n(j-1,i,0)/d, n(j-1,i,1)/d, n(j-1,i,2)/d);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2135 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2136
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2137 glVertex3d (x(j1,i), y(j-1,i2), z(j-1,i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2138
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2139 // Vertex 3
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2140 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2141 tex.tex_coord (double (i) / (zc-1), double (j) / (zr-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2142 else if (fc_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2143 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2144 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2145 cb[k] = c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2146 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2147
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2148 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2149 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2150 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2151 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2152 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2153
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2154 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2155 cb[k] = ds * c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2156 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2157 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2158 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2159 if (fl_mode == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2160 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2161 d = sqrt (n(j,i,0) * n(j,i,0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2162 + n(j,i,1) * n(j,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2163 + n(j,i,2) * n(j,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2164 glNormal3d (n(j,i,0)/d, n(j,i,1)/d, n(j,i,2)/d);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2165 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2166 glVertex3d (x(j2,i), y(j,i2), z(j,i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2167
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2168 // Vertex 4
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2169 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2170 tex.tex_coord (double (i-1) / (zc-1), double (j) / (zr-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2171 else if (fc_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2172 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2173 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2174 cb[k] = c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2175 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2176
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2177 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2178 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2179 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2180 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2181 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2182
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2183 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2184 cb[k] = ds * c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2185 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2186 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2187 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2188 if (fl_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2189 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2190 d = sqrt (n(j,i-1,0) * n(j,i-1,0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2191 + n(j,i-1,1) * n(j,i-1,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2192 + n(j,i-1,2) * n(j,i-1,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2193 glNormal3d (n(j,i-1,0)/d, n(j,i-1,1)/d, n(j,i-1,2)/d);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2194 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2195 glVertex3d (x(j2,i-1), y(j,i1), z(j,i-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2196
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2197 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2198 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2199 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2200
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2201 set_polygon_offset (false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2202 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2203 glDisable (GL_TEXTURE_2D);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2204
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2205 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2206 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2207 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2208 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2209 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2210 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2211 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2212 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2213
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2214 if (! props.edgecolor_is ("none"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2215 {
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2216 if (props.get_edgealpha_double () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2217 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2218 if (ec_mode == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2219 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2220 glColor3dv (ecolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2221 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2222 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2223 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2224 cb[i] = as * ecolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2225 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2226
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2227 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2228 cb[i] = ds * ecolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2229 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2230 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2231 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2232
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2233 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2234 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2235 glShadeModel ((ec_mode == 2 \|\| el_mode == 2) ? GL_SMOOTH : GL_FLAT);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2236
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2237 set_linestyle (props.get_linestyle (), false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2238 set_linewidth (props.get_linewidth ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2239
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2240 // Mesh along Y-axis
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2241
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2242 if (props.meshstyle_is ("both") \|\| props.meshstyle_is ("column"))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2243 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2244 for (int i = 0; i < zc; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2245 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2246 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2247 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2248 i1 = i-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2249 i2 = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2250 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2251
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2252 for (int j = 1; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2253 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2254 if (clip(j-1,i) \|\| clip(j,i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2255 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2256
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2257 if (x_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2258 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2259 j1 = j-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2260 j2 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2261 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2262
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2263 glBegin (GL_LINES);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2264
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2265 // Vertex 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2266 if (ec_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2267 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2268 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2269 cb[k] = c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2270 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2271
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2272 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2273 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2274 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2275 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2276 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2277
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2278 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2279 cb[k] = ds * c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2280 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2281 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2282 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2283 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2284 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2285 d = sqrt (n(j-1,i,0) * n(j-1,i,0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2286 + n(j-1,i,1) * n(j-1,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2287 + n(j-1,i,2) * n(j-1,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2288 glNormal3d (n(j-1,i,0)/d, n(j-1,i,1)/d, n(j-1,i,2)/d);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2289 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2290 glVertex3d (x(j1,i), y(j-1,i2), z(j-1,i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2291
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2292 // Vertex 2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2293 if (ec_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2294 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2295 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2296 cb[k] = c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2297 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2298
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2299 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2300 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2301 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2302 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2303 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2304
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2305 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2306 cb[k] = ds * c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2307 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2308 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2309 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2310 if (el_mode == 2)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2311 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2312 d = sqrt (n(j,i,0) * n(j,i,0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2313 + n(j,i,1) * n(j,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2314 + n(j,i,2) * n(j,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2315 glNormal3d (n(j,i,0)/d, n(j,i,1)/d, n(j,i,2)/d);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2316 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2317 glVertex3d (x(j2,i), y(j,i2), z(j,i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2318
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2319 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2320 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2321 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2322 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2323
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2324 // Mesh along X-axis
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2325
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2326 if (props.meshstyle_is ("both") \|\| props.meshstyle_is ("row"))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2327 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2328 for (int j = 0; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2329 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2330 if (x_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2331 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2332 j1 = j-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2333 j2 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2334 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2335
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2336 for (int i = 1; i < zc; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2337 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2338 if (clip(j,i-1) \|\| clip(j,i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2339 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2340
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2341 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2342 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2343 i1 = i-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2344 i2 = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2345 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2346
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2347 glBegin (GL_LINES);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2348
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2349 // Vertex 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2350 if (ec_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2351 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2352 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2353 cb[k] = c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2354 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2355
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2356 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2357 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2358 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2359 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2360 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2361
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2362 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2363 cb[k] = ds * c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2364 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2365 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2366 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2367 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2368 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2369 d = sqrt (n(j,i-1,0) * n(j,i-1,0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2370 + n(j,i-1,1) * n(j,i-1,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2371 + n(j,i-1,2) * n(j,i-1,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2372 glNormal3d (n(j,i-1,0)/d, n(j,i-1,1)/d, n(j,i-1,2)/d);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2373 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2374 glVertex3d (x(j2,i-1), y(j,i1), z(j,i-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2375
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2376 // Vertex 2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2377 if (ec_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2378 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2379 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2380 cb[k] = c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2381 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2382
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2383 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2384 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2385 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2386 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2387 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2388
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2389 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2390 cb[k] = ds * c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2391 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2392 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2393 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2394 if (el_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2395 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2396 d = sqrt (n(j,i,0) * n(j,i,0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2397 + n(j,i,1) * n(j,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2398 + n(j,i,2) * n(j,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2399 glNormal3d (n(j,i,0)/d, n(j,i,1)/d, n(j,i,2)/d);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2400 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2401 glVertex3d (x(j2,i), y(j,i2), z(j,i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2402
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2403 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2404 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2405 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2406 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2407
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2408 set_linestyle ("-");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2409 set_linewidth (0.5);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2410
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2411 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2412 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2413 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2414 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2415 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2416 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2417 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2418 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2419
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2420 if (! props.marker_is ("none") &&
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2421 ! (props.markeredgecolor_is ("none")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2422 && props.markerfacecolor_is ("none")))
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2423 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2424 // FIXME: check how transparency should be handled in markers
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2425 // FIXME: check what to do with marker facecolor set to auto
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2426 // and facecolor set to none.
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2427
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2428 bool do_edge = ! props.markeredgecolor_is ("none");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2429 bool do_face = ! props.markerfacecolor_is ("none");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2430
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2431 Matrix mecolor = props.get_markeredgecolor_rgb ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2432 Matrix mfcolor = props.get_markerfacecolor_rgb ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2433 Matrix cc (1, 3, 0.0);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2434
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2435 if (mecolor.numel () == 0 && props.markeredgecolor_is ("auto"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2436 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2437 mecolor = props.get_edgecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2438 do_edge = ! props.edgecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2439 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2440
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2441 if (mfcolor.numel () == 0 && props.markerfacecolor_is ("auto"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2442 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2443 mfcolor = props.get_facecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2444 do_face = ! props.facecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2445 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2446
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2447 if ((mecolor.numel () == 0 \|\| mfcolor.numel () == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2448 && c.numel () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2449 c = props.get_color_data ().array_value ();
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2450
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2451 init_marker (props.get_marker (), props.get_markersize (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2452 props.get_linewidth ());
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2453
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2454 for (int i = 0; i < zc; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2455 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2456 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2457 i1 = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2458
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2459 for (int j = 0; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2460 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2461 if (clip(j,i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2462 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2463
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2464 if (x_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2465 j1 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2466
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2467 if ((do_edge && mecolor.numel () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2468 \|\| (do_face && mfcolor.numel () == 0))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2469 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2470 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2471 cc(k) = c(j,i,k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2472 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2473
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2474 Matrix lc = (do_edge ? (mecolor.numel () == 0 ? cc : mecolor) : Matrix ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2475 Matrix fc = (do_face ? (mfcolor.numel () == 0 ? cc : mfcolor) : Matrix ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2476
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2477 draw_marker (x(j1,i), y(j,i1), z(j,i), lc, fc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2478 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2479 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2480
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2481 end_marker ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2482 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2483 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2484
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2485 // FIXME: global optimization (rendering, data structures...), there
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2486 // is probably a smarter/faster/less-memory-consuming way to do this.
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2487 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2488 opengl_renderer::draw_patch (const patch::properties &props)
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2489 {
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2490 const Matrix f = props.get_faces ().matrix_value ();
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2491 const Matrix v = xform.scale (props.get_vertices ().matrix_value ());
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2492 Matrix c;
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2493 const Matrix n = props.get_vertexnormals ().matrix_value ();
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2494 Matrix a;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2495
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2496 int nv = v.rows ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2497 // int vmax = v.columns ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2498 int nf = f.rows ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2499 int fcmax = f.columns ();
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2500
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2501 bool has_z = (v.columns () > 2);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2502 bool has_facecolor = false;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2503 bool has_facealpha = false;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2504
11168 36442102c340 Fix treatment of facevertexcdata if facecolor is 'none' with the fltk backend David Bateman <dbateman@free.fr> parents: 11166 diff changeset	2505 int fc_mode = ((props.facecolor_is("none")
36442102c340 Fix treatment of facevertexcdata if facecolor is 'none' with the fltk backend David Bateman <dbateman@free.fr> parents: 11166 diff changeset	2506 \|\| props.facecolor_is_rgb ()) ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2507 (props.facecolor_is("flat") ? 1 : 2));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2508 int fl_mode = (props.facelighting_is ("none") ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2509 (props.facelighting_is ("flat") ? 1 : 2));
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2510 int fa_mode = (props.facealpha_is_double () ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2511 (props.facealpha_is ("flat") ? 1 : 2));
11168 36442102c340 Fix treatment of facevertexcdata if facecolor is 'none' with the fltk backend David Bateman <dbateman@free.fr> parents: 11166 diff changeset	2512 int ec_mode = ((props.edgecolor_is("none")
36442102c340 Fix treatment of facevertexcdata if facecolor is 'none' with the fltk backend David Bateman <dbateman@free.fr> parents: 11166 diff changeset	2513 \|\| props.edgecolor_is_rgb ()) ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2514 (props.edgecolor_is("flat") ? 1 : 2));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2515 int el_mode = (props.edgelighting_is ("none") ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2516 (props.edgelighting_is ("flat") ? 1 : 2));
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2517 int ea_mode = (props.edgealpha_is_double () ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2518 (props.edgealpha_is ("flat") ? 1 : 2));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2519
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2520 Matrix fcolor = props.get_facecolor_rgb ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2521 Matrix ecolor = props.get_edgecolor_rgb ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2522
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2523 float as = props.get_ambientstrength ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2524 float ds = props.get_diffusestrength ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2525 float ss = props.get_specularstrength ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2526 float se = props.get_specularexponent ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2527
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2528 boolMatrix clip (1, nv, false);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2529
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2530 if (has_z)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2531 for (int i = 0; i < nv; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2532 clip(i) = is_nan_or_inf (v(i,0), v(i,1), v(i,2));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2533 else
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2534 for (int i = 0; i < nv; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2535 clip(i) = is_nan_or_inf (v(i,0), v(i,1), 0);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2536
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2537 boolMatrix clip_f (1, nf, false);
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	2538 Array<int> count_f (nf, 1, 0);
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2539
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2540 for (int i = 0; i < nf; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2541 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2542 bool fclip = false;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2543 int count = 0;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2544
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2545 for (int j = 0; j < fcmax && ! xisnan (f(i,j)); j++, count++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2546 fclip = (fclip \|\| clip(int (f(i,j) - 1)));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2547
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2548 clip_f(i) = fclip;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2549 count_f(i) = count;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2550 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2551
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2552 if (fc_mode > 0 \|\| ec_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2553 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2554 c = props.get_color_data ().matrix_value ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2555
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2556 if (c.rows () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2557 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2558 // Single color specifications, we can simplify a little bit
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2559
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2560 if (fc_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2561 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2562 fcolor = c;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2563 fc_mode = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2564 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2565
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2566 if (ec_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2567 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2568 ecolor = c;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2569 ec_mode = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2570 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2571
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2572 c = Matrix ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2573 }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2574 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2575 has_facecolor = ((c.numel () > 0) && (c.rows () == f.rows ()));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2576 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2577
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2578 if (fa_mode > 0 \|\| ea_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2579 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2580 // FIXME: retrieve alpha data from patch object
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2581 //a = props.get_alpha_data ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2582 has_facealpha = ((a.numel () > 0) && (a.rows () == f.rows ()));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2583 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2584
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7914 diff changeset	2585 octave_idx_type fr = f.rows ();
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2586 std::vector<vertex_data> vdata (f.numel ());
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2587
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2588 for (int i = 0; i < nf; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2589 for (int j = 0; j < count_f(i); j++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2590 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2591 int idx = int (f(i,j) - 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2592
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2593 Matrix vv (1, 3, 0.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2594 Matrix cc;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2595 Matrix nn(1, 3, 0.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2596 double aa = 1.0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2597
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2598 vv(0) = v(idx,0); vv(1) = v(idx,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2599 if (has_z)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2600 vv(2) = v(idx,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2601 // FIXME: uncomment when patch object has normal computation
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2602 //nn(0) = n(idx,0); nn(1) = n(idx,1); nn(2) = n(idx,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2603 if (c.numel () > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2604 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2605 cc.resize (1, 3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2606 if (has_facecolor)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2607 cc(0) = c(i,0), cc(1) = c(i,1), cc(2) = c(i,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2608 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2609 cc(0) = c(idx,0), cc(1) = c(idx,1), cc(2) = c(idx,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2610 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2611 if (a.numel () > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2612 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2613 if (has_facealpha)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2614 aa = a(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2615 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2616 aa = a(idx);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2617 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2618
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2619 vdata[i+j*fr] =
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2620 vertex_data (vv, cc, nn, aa, as, ds, ss, se);
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2621 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2622
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2623 if (fl_mode > 0 \|\| el_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2624 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2625 float buf[4] = { ss, ss, ss, 1 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2626
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2627 glMaterialfv (LIGHT_MODE, GL_SPECULAR, buf);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2628 glMaterialf (LIGHT_MODE, GL_SHININESS, se);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2629 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2630
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2631 if (! props.facecolor_is ("none"))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2632 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2633 // FIXME: adapt to double-radio property
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2634 if (props.get_facealpha_double () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2635 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2636 if (fc_mode == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2637 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2638 glColor3dv (fcolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2639 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2640 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2641 float cb[4] = { 0, 0, 0, 1 };
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2642
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2643 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2644 cb[i] = (as * fcolor(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2645 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2646
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2647 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2648 cb[i] = ds * fcolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2649 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2650 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2651 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2652
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2653 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2654 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2655
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2656 // FIXME: use __index__ property from patch object
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2657 patch_tesselator tess (this, fc_mode, fl_mode, 0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2658
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2659 for (int i = 0; i < nf; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2660 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2661 if (clip_f(i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2662 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2663
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2664 tess.begin_polygon (true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2665 tess.begin_contour ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2666
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2667 for (int j = 0; j < count_f(i); j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2668 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2669 vertex_data::vertex_data_rep vv = vdata[i+jfr].get_rep ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2670
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2671 tess.add_vertex (vv->coords.fortran_vec (), vv);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2672 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2673
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2674 tess.end_contour ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2675 tess.end_polygon ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2676 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2677
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2678 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2679 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2680 }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2681 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2682 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2683 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2684 }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2685 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2686
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2687 if (! props.edgecolor_is ("none"))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2688 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2689 // FIXME: adapt to double-radio property
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2690 if (props.get_edgealpha_double () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2691 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2692 if (ec_mode == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2693 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2694 glColor3dv (ecolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2695 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2696 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2697 float cb[4] = { 0, 0, 0, 1 };
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2698
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2699 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2700 cb[i] = (as * ecolor(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2701 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2702
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2703 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2704 cb[i] = ds * ecolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2705 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2706 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2707 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2708
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2709 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2710 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2711
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2712 set_linestyle (props.get_linestyle (), false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2713 set_linewidth (props.get_linewidth ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2714
11175 c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2715
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2716 // FIXME: use __index__ property from patch object; should we
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2717 // offset patch contour as well?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2718 patch_tesselator tess (this, ec_mode, el_mode);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2719
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2720 for (int i = 0; i < nf; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2721 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2722 if (clip_f(i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2723 {
11175 c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2724 // This is an unclosed contour. Draw it as a line
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2725 bool flag = false;
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2726
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2727 for (int j = 0; j < count_f(i); j++)
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2728 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2729 if (! clip(int (f(i,j) - 1)))
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2730 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2731 vertex_data::vertex_data_rep vv = vdata[i+jfr].get_rep ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2732 const Matrix m = vv->coords;
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2733 if (! flag)
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2734 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2735 flag = true;
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2736 glBegin (GL_LINE_STRIP);
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2737 }
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2738 glVertex3d (m(0), m(1), m(2));
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2739 }
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2740 else if (flag)
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2741 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2742 flag = false;
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2743 glEnd ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2744 }
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2745 }
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2746
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2747 if (flag)
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2748 glEnd ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2749 }
11175 c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2750 else
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2751 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2752 tess.begin_polygon (false);
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2753 tess.begin_contour ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2754
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2755 for (int j = 0; j < count_f(i); j++)
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2756 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2757 vertex_data::vertex_data_rep vv = vdata[i+jfr].get_rep ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2758 tess.add_vertex (vv->coords.fortran_vec (), vv);
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2759 }
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2760
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2761 tess.end_contour ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2762 tess.end_polygon ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2763 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2764 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2765
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2766 set_linestyle ("-");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2767 set_linewidth (0.5);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2768
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2769 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2770 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2771 }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2772 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2773 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2774 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2775 }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2776 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2777
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2778 if (! props.marker_is ("none") &&
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2779 ! (props.markeredgecolor_is ("none") && props.markerfacecolor_is ("none")))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2780 {
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2781 bool do_edge = ! props.markeredgecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2782 bool do_face = ! props.markerfacecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2783
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2784 Matrix mecolor = props.get_markeredgecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2785 Matrix mfcolor = props.get_markerfacecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2786 Matrix cc (1, 3, 0.0);
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2787
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2788 if (mecolor.numel () == 0 && props.markeredgecolor_is ("auto"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2789 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2790 mecolor = props.get_edgecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2791 do_edge = ! props.edgecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2792 }
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2793
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2794 if (mfcolor.numel () == 0 && props.markerfacecolor_is ("auto"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2795 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2796 mfcolor = props.get_facecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2797 do_face = ! props.facecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2798 }
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2799
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2800 init_marker (props.get_marker (), props.get_markersize (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2801 props.get_linewidth ());
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2802
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2803 for (int i = 0; i < nf; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2804 for (int j = 0; j < count_f(i); j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2805 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2806 int idx = int (f(i,j) - 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2807
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2808 if (clip(idx))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2809 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2810
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2811 Matrix lc = (do_edge ? (mecolor.numel () == 0 ?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2812 vdata[i+j*fr].get_rep ()->color : mecolor)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2813 : Matrix ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2814 Matrix fc = (do_face ? (mfcolor.numel () == 0 ?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2815 vdata[i+j*fr].get_rep ()->color : mfcolor)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2816 : Matrix ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2817
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2818 draw_marker (v(idx,0), v(idx,1), (has_z ? v(idx,2) : 0), lc, fc);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2819 }
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2820
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2821 end_marker ();
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2822 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2823 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2824
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2825 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2826 opengl_renderer::draw_hggroup (const hggroup::properties &props)
7866 35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2827 {
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2828 draw (props.get_children ());
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2829 }
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2830
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2831 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2832 opengl_renderer::draw_text (const text::properties& props)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2833 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2834 if (props.get_string ().empty ())
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2835 return;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2836
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2837 set_font (props);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2838 set_color (props.get_color_rgb ());
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2839
10402 9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	2840 const Matrix pos = xform.scale (props.get_data_position ());
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2841 int halign = 0, valign = 0;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2842
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2843 if (props.horizontalalignment_is ("center"))
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2844 halign = 1;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2845 else if (props.horizontalalignment_is ("right"))
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2846 halign = 2;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2847
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2848 if (props.verticalalignment_is ("top"))
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2849 valign = 2;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2850 else if (props.verticalalignment_is ("baseline"))
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2851 valign = 3;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2852 else if (props.verticalalignment_is ("middle"))
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2853 valign = 1;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2854
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2855 // FIXME: handle margin and surrounding box
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2856
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2857 render_text (props.get_string (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2858 pos(0), pos(1), pos(2),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2859 halign, valign, props.get_rotation ());
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2860 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2861
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2862 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2863 opengl_renderer::draw_image (const image::properties& props)
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2864 {
9884 fed4aad2cdca handle indexed images in opengl renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	2865 octave_value cdata = props.get_color_data ();
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2866 dim_vector dv (cdata.dims ());
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2867 int h = dv(0), w = dv(1);
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2868 bool ok = true;
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2869
11093 d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2870 Matrix x = props.get_xdata ().matrix_value ();
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2871 Matrix y = props.get_ydata ().matrix_value ();
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2872
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2873 if (w > 1 && x(1) == x(0))
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2874 x(1) = x(1) + (w-1);
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2875
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2876 if (h > 1 && y(1) == y(0))
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2877 y(1) = y(1) + (h-1);
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2878
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2879 const ColumnVector p0 = xform.transform (x(0), y(0), 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2880 const ColumnVector p1 = xform.transform (x(1), y(1), 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2881
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2882 // image pixel size in screen pixel units
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2883 float pix_dx, pix_dy;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2884 // image pixel size in normalized units
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2885 float nor_dx, nor_dy;
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2886
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2887 if (w > 1)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2888 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2889 pix_dx = (p1(0) - p0(0))/(w-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2890 nor_dx = (x(1) - x(0))/(w-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2891 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2892 else
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2893 {
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2894 const ColumnVector p1w = xform.transform (x(1) + 1, y(1), 0);
4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2895 pix_dx = p1w(0) - p0(0);
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2896 nor_dx = 1;
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2897 }
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2898
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2899 if (h > 1)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2900 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2901 pix_dy = (p1(1) - p0(1))/(h-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2902 nor_dy = (y(1) - y(0))/(h-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2903 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2904 else
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2905 {
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2906 const ColumnVector p1h = xform.transform (x(1), y(1) + 1, 0);
4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2907 pix_dy = p1h(1) - p0(1);
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2908 nor_dy = 1;
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2909 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2910
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2911
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2912 // OpenGL won't draw the image if it's origin is outside the
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2913 // viewport/clipping plane so we must do the clipping
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2914 // ourselfes - only draw part of the image
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2915
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2916 int j0 = 0, j1 = w;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2917 int i0 = 0, i1 = h;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2918
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2919 float im_xmin = x(0) - nor_dx/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2920 float im_xmax = x(1) + nor_dx/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2921 float im_ymin = y(0) - nor_dy/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2922 float im_ymax = y(1) + nor_dy/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2923 if (props.is_clipping ()) // clip to axes
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2924 {
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2925 if (im_xmin < xmin)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2926 j0 += (xmin - im_xmin)/nor_dx + 1;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2927 if (im_xmax > xmax)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2928 j1 -= (im_xmax - xmax)/nor_dx ;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2929
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2930 if (im_ymin < ymin)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2931 i0 += (ymin - im_ymin)/nor_dy + 1;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2932 if (im_ymax > ymax)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2933 i1 -= (im_ymax - ymax)/nor_dy;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2934 }
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2935 else // clip to viewport
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2936 {
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2937 GLfloat vp[4];
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2938 glGetFloatv(GL_VIEWPORT, vp);
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2939 // FIXME -- actually add the code to do it!
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2940
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2941 }
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2942
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2943 if (i0 >= i1 \|\| j0 >= j1)
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2944 return;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2945
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2946 glPixelZoom (pix_dx, -pix_dy);
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2947 glRasterPos3d (im_xmin + nor_dxj0, im_ymin + nor_dyi0, 0);
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2948
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2949 // by default this is 4
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2950 glPixelStorei (GL_UNPACK_ALIGNMENT,1);
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2951
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2952 // Expect RGB data
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2953 if (dv.length () == 3 && dv(2) == 3)
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2954 {
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2955 if (cdata.is_double_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2956 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2957 const NDArray xcdata = cdata.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2958
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2959 OCTAVE_LOCAL_BUFFER (GLfloat, a, 3(j1-j0)(i1-i0));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2960
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2961 for (int i = i0; i < i1; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2962 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2963 for (int j = j0, idx = (i-i0)(j1-j0)3; j < j1; j++, idx += 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2964 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2965 a[idx] = xcdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2966 a[idx+1] = xcdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2967 a[idx+2] = xcdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2968 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2969 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2970
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2971 draw_pixels (j1-j0, i1-i0, GL_RGB, GL_FLOAT, a);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2972
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2973 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2974 else if (cdata.is_uint16_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2975 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2976 const uint16NDArray xcdata = cdata.uint16_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2977
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2978 OCTAVE_LOCAL_BUFFER (GLushort, a, 3(j1-j0)(i1-i0));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2979
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2980 for (int i = i0; i < i1; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2981 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2982 for (int j = j0, idx = (i-i0)(j1-j0)3; j < j1; j++, idx += 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2983 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2984 a[idx] = xcdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2985 a[idx+1] = xcdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2986 a[idx+2] = xcdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2987 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2988 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2989
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2990 draw_pixels (j1-j0, i1-i0, GL_RGB, GL_UNSIGNED_SHORT, a);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2991
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2992 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2993 else if (cdata.is_uint8_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2994 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2995 const uint8NDArray xcdata = cdata.uint8_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2996
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2997 OCTAVE_LOCAL_BUFFER (GLubyte, a, 3(j1-j0)(i1-i0));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2998
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2999 for (int i = i0; i < i1; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3000 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3001 for (int j = j0, idx = (i-i0)(j1-j0)3; j < j1; j++, idx += 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3002 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3003 a[idx] = xcdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3004 a[idx+1] = xcdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3005 a[idx+2] = xcdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3006 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3007 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3008
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3009 draw_pixels (j1-j0, i1-i0, GL_RGB, GL_UNSIGNED_BYTE, a);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3010 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3011 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3012 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3013 ok = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3014 warning ("opengl_texture::draw: invalid image data type (expected double, uint16, or uint8)");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3015 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3016 }
9884 fed4aad2cdca handle indexed images in opengl renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	3017 else
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3018 {
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3019 ok = false;
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3020 warning ("opengl_texture::draw: invalid image size (expected nm3 or n*m)");
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3021 }
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3022 glPixelZoom (1, 1);
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3023 }
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3024
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3025 void
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3026 opengl_renderer::set_viewport (int w, int h)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3027 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3028 glViewport (0, 0, w, h);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3029 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3030
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3031 void
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3032 opengl_renderer::draw_pixels (GLsizei width, GLsizei height, GLenum format,
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3033 GLenum type, const GLvoid *data)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3034 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3035 glDrawPixels (width, height, format, type, data);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3036 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3037
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3038 void
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3039 opengl_renderer::set_color (const Matrix& c)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3040 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3041 glColor3dv (c.data ());
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3042 #if HAVE_FREETYPE
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3043 text_renderer.set_color (c);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3044 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3045 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3046
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3047 void
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3048 opengl_renderer::set_font (const base_properties& props)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3049 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3050 #if HAVE_FREETYPE
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3051 text_renderer.set_font (props);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3052 #endif
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3053 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3054
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3055 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3056 opengl_renderer::set_polygon_offset (bool on, double offset)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3057 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3058 if (on)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3059 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3060 glPolygonOffset (offset, offset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3061 glEnable (GL_POLYGON_OFFSET_FILL);
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3062 glEnable (GL_POLYGON_OFFSET_LINE);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3063 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3064 else
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3065 {
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3066 glDisable (GL_POLYGON_OFFSET_FILL);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3067 glDisable (GL_POLYGON_OFFSET_LINE);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3068 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3069 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3070
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3071 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3072 opengl_renderer::set_linewidth (float w)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3073 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3074 glLineWidth (w);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3075 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3076
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3077 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3078 opengl_renderer::set_linestyle (const std::string& s, bool use_stipple)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3079 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3080 bool solid = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3081
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3082 if (s == "-")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3083 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3084 glLineStipple (1, static_cast<unsigned short> (0xFFFF));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3085 solid = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3086 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3087 else if (s == ":")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3088 glLineStipple (1, static_cast<unsigned short> (0x8888));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3089 else if (s == "--")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3090 glLineStipple (1, static_cast<unsigned short> (0x0FFF));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3091 else if (s == "-.")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3092 glLineStipple (1, static_cast<unsigned short> (0x020F));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3093 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3094 glLineStipple (1, static_cast<unsigned short> (0x0000));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3095
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3096 if (solid && ! use_stipple)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3097 glDisable (GL_LINE_STIPPLE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3098 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3099 glEnable (GL_LINE_STIPPLE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3100 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3101
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3102 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3103 opengl_renderer::set_clipbox (double x1, double x2, double y1, double y2,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3104 double z1, double z2)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3105 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3106 double dx = (x2-x1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3107 double dy = (y2-y1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3108 double dz = (z2-z1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3109
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3110 x1 -= 0.001dx; x2 += 0.001dx;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3111 y1 -= 0.001dy; y2 += 0.001dy;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3112 z1 -= 0.001dz; z2 += 0.001dz;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3113
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3114 ColumnVector p (4, 0.0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3115
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3116 p(0) = -1; p(3) = x2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3117 glClipPlane (GL_CLIP_PLANE0, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3118 p(0) = 1; p(3) = -x1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3119 glClipPlane (GL_CLIP_PLANE1, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3120 p(0) = 0; p(1) = -1; p(3) = y2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3121 glClipPlane (GL_CLIP_PLANE2, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3122 p(1) = 1; p(3) = -y1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3123 glClipPlane (GL_CLIP_PLANE3, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3124 p(1) = 0; p(2) = -1; p(3) = z2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3125 glClipPlane (GL_CLIP_PLANE4, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3126 p(2) = 1; p(3) = -z1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3127 glClipPlane (GL_CLIP_PLANE5, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3128
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3129 xmin = x1; xmax = x2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3130 ymin = y1; ymax = y2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3131 zmin = z1; zmax = z2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3132 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3133
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3134 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3135 opengl_renderer::set_clipping (bool enable)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3136 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3137 bool has_clipping = (glIsEnabled (GL_CLIP_PLANE0) == GL_TRUE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3138
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3139 if (enable != has_clipping)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3140 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3141 if (enable)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3142 for (int i = 0; i < 6; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3143 glEnable (GL_CLIP_PLANE0+i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3144 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3145 for (int i = 0; i < 6; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3146 glDisable (GL_CLIP_PLANE0+i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3147 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3148 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3149
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3150 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3151 opengl_renderer::init_marker (const std::string& m, double size, float width)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3152 {
8724 a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	3153 #if defined (HAVE_FRAMEWORK_OPENGL)
a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	3154 GLint vw[4];
a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	3155 #else
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3156 int vw[4];
8724 a50228129dba Introduce new macro OCTAVE_GLUTESSCALLBACK_THREEDOTS. Use definitions HAVE_FRAMEWORK_OPENGL and HAVE_GLUTESSCALLBACK_THREEDOTS for Mac's framework OpenGL implementation. Ben Abbott <bpabbott@mac.com> parents: 8674 diff changeset	3157 #endif
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3158
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3159 glGetIntegerv (GL_VIEWPORT, vw);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3160
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3161 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3162 glPushMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3163 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3164 glOrtho (0, vw[2], vw[3], 0, xZ1, xZ2);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3165 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3166 glPushMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3167
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3168 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3169 set_linewidth (width);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3170
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3171 marker_id = make_marker_list (m, size, false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3172 filled_marker_id = make_marker_list (m, size, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3173 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3174
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3175 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3176 opengl_renderer::end_marker (void)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3177 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3178 glDeleteLists (marker_id, 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3179 glDeleteLists (filled_marker_id, 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3180
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3181 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3182 glPopMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3183 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3184 glPopMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3185 set_linewidth (0.5f);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3186 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3187
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3188 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3189 opengl_renderer::draw_marker (double x, double y, double z,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3190 const Matrix& lc, const Matrix& fc)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3191 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3192 ColumnVector tmp = xform.transform (x, y, z, false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3193
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3194 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3195 glTranslated (tmp(0), tmp(1), -tmp(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3196
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3197 if (filled_marker_id > 0 && fc.numel () > 0)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3198 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3199 glColor3dv (fc.data ());
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3200 set_polygon_offset (true, -1.0);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3201 glCallList (filled_marker_id);
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3202 if (lc.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3203 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3204 glColor3dv (lc.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3205 glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3206 glEdgeFlag (GL_TRUE);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3207 set_polygon_offset (true, -2.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3208 glCallList (filled_marker_id);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3209 glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3210 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3211 set_polygon_offset (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3212 }
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3213 else if (marker_id > 0 && lc.numel () > 0)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3214 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3215 glColor3dv (lc.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3216 glCallList (marker_id);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3217 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3218 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3219
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3220 unsigned int
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3221 opengl_renderer::make_marker_list (const std::string& marker, double size,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3222 bool filled) const
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3223 {
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3224 char c = marker[0];
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3225
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3226 if (filled && (c == '+' \|\| c == 'x' \|\| c == '*' \|\| c == '.'))
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3227 return 0;
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3228
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3229 unsigned int ID = glGenLists (1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3230 double sz = size * backend.get_screen_resolution () / 72.0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3231
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3232 // constants for the * marker
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3233 const double sqrt2d4 = 0.35355339059327;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3234 double tt = sz*sqrt2d4;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3235
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3236 glNewList (ID, GL_COMPILE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3237
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3238 switch (marker[0])
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3239 {
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3240 case '+':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3241 glBegin (GL_LINES);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3242 glVertex2f (-sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3243 glVertex2f (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3244 glVertex2f (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3245 glVertex2f (0, sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3246 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3247 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3248 case 'x':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3249 glBegin(GL_LINES);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3250 glVertex2f (-sz/2, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3251 glVertex2f (sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3252 glVertex2f (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3253 glVertex2f (sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3254 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3255 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3256 case '*':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3257 glBegin (GL_LINES);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3258 glVertex2f (-sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3259 glVertex2f (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3260 glVertex2f (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3261 glVertex2f (0, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3262 glVertex2f (-tt, -tt);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3263 glVertex2f (+tt, +tt);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3264 glVertex2f (-tt, +tt);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3265 glVertex2f (+tt, -tt);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3266 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3267 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3268 case '.':
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3269 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3270 double ang_step = M_PI / 5;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3271
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3272 glBegin (GL_POLYGON);
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3273 for (double ang = 0; ang < (2*M_PI); ang += ang_step)
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3274 glVertex2d (szcos(ang)/6, szsin(ang)/6);
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3275 glEnd ();
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3276 }
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3277 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3278 case 's':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3279 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3280 glVertex2d (-sz/2, -sz/2);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3281 glVertex2d (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3282 glVertex2d (sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3283 glVertex2d (sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3284 glEnd();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3285 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3286 case 'o':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3287 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3288 double ang_step = M_PI / 5;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3289
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3290 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3291 for (double ang = 0; ang < (2*M_PI); ang += ang_step)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3292 glVertex2d (szcos(ang)/2, szsin(ang)/2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3293 glEnd ();
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3294 }
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3295 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3296 case 'd':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3297 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3298 glVertex2d (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3299 glVertex2d (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3300 glVertex2d (0, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3301 glVertex2d (-sz/2, 0);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3302 glEnd();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3303 break;
10835 4bbd6f75f173 gl-render.cc: Transpose markers '^' and 'v'. Ben Abbott <bpabbott@mac.com> parents: 10402 diff changeset	3304 case 'v':
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3305 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3306 glVertex2f (0, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3307 glVertex2f (sz/2, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3308 glVertex2f (-sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3309 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3310 break;
10835 4bbd6f75f173 gl-render.cc: Transpose markers '^' and 'v'. Ben Abbott <bpabbott@mac.com> parents: 10402 diff changeset	3311 case '^':
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3312 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3313 glVertex2f (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3314 glVertex2f (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3315 glVertex2f (sz/2, sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3316 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3317 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3318 case '>':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3319 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3320 glVertex2f (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3321 glVertex2f (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3322 glVertex2f (-sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3323 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3324 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3325 case '<':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3326 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3327 glVertex2f (-sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3328 glVertex2f (sz/2, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3329 glVertex2f (sz/2, sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3330 glEnd ();
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3331 break;
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3332 case 'p':
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3333 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3334 double ang;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3335 double r;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3336 double dr = 1.0 - sin(M_PI/10)/sin(3M_PI/10)1.02;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3337
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3338 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3339 for (int i = 0; i < 2*5; i++)
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3340 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3341 ang = (-0.5 + double(i+1)/5) * M_PI;
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 11186 diff changeset	3342 r = 1.0 - (dr * fmod(double(i+1), 2.0));
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3343 glVertex2d (szrcos(ang)/2, szrsin(ang)/2);
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3344 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3345 glEnd ();
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3346 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3347 break;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3348 case 'h':
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3349 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3350 double ang;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3351 double r;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3352 double dr = 1.0 - 0.5/sin(M_PI/3)*1.02;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3353
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3354 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3355 for (int i = 0; i < 2*6; i++)
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3356 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3357 ang = (0.5 + double(i+1)/6.0) * M_PI;
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 11186 diff changeset	3358 r = 1.0 - (dr * fmod(double(i+1), 2.0));
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3359 glVertex2d (szrcos(ang)/2, szrsin(ang)/2);
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3360 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3361 glEnd ();
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3362 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3363 break;
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3364 default:
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3365 warning ("opengl_renderer: unsupported marker `%s'",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3366 marker.c_str ());
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3367 break;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3368 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3369
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3370 glEndList ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3371
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3372 return ID;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3373 }
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	3374
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3375 void
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3376 opengl_renderer::text_to_pixels (const std::string& txt,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3377 double rotation,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3378 uint8NDArray& pixels,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3379 Matrix& bbox,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3380 int& rot_mode)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3381 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3382 // FIXME: clip "rotation" between 0 and 360
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3383
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3384 rot_mode = ft_render::ROTATION_0;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3385
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3386 if (rotation == 90.0)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3387 rot_mode = ft_render::ROTATION_90;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3388 else if (rotation == 180.0)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3389 rot_mode = ft_render::ROTATION_180;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3390 else if (rotation == 270.0)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3391 rot_mode = ft_render::ROTATION_270;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3392
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3393 text_element *elt = text_parser_none ().parse (txt);
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3394 pixels = text_renderer.render (elt, bbox, rot_mode);
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3395 delete elt;
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3396 }
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3397
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3398 Matrix
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3399 opengl_renderer::render_text (const std::string& txt,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3400 double x, double y, double z,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3401 int halign, int valign, double rotation)
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3402 {
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3403 #if HAVE_FREETYPE
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3404 if (txt.empty ())
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3405 return Matrix (1, 4, 0.0);
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3406
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3407 Matrix bbox;
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3408 uint8NDArray pixels;
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3409 int rot_mode;
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3410 text_to_pixels (txt, rotation, pixels, bbox, rot_mode);
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3411
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3412 int x0 = 0, y0 = 0;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3413 int w = bbox(2), h = bbox(3);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3414
9406 c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3415 if (pixels.numel () == 0)
c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3416 {
c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3417 // nothing to render
c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3418 return bbox;
c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3419 }
c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3420
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3421 switch (halign)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3422 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3423 default: break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3424 case 1: x0 = -bbox(2)/2; break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3425 case 2: x0 = -bbox(2); break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3426 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3427 switch (valign)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3428 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3429 default: break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3430 case 1: y0 = -bbox(3)/2; break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3431 case 2: y0 = -bbox(3); break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3432 case 3: y0 = bbox(1); break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3433 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3434
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3435 switch (rot_mode)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3436 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3437 case ft_render::ROTATION_90:
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3438 std::swap (x0, y0);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3439 std::swap (w, h);
9405 7cc35bc348cc Install text engine headers and fix rendering of 90x rotated text. Michael Goffioul <michael.goffioul@gmail.com> parents: 9403 diff changeset	3440 x0 = -x0-bbox(3);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3441 break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3442 case ft_render::ROTATION_180:
9405 7cc35bc348cc Install text engine headers and fix rendering of 90x rotated text. Michael Goffioul <michael.goffioul@gmail.com> parents: 9403 diff changeset	3443 x0 = -x0-bbox(2);
7cc35bc348cc Install text engine headers and fix rendering of 90x rotated text. Michael Goffioul <michael.goffioul@gmail.com> parents: 9403 diff changeset	3444 y0 = -y0-bbox(3);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3445 break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3446 case ft_render::ROTATION_270:
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3447 std::swap (x0, y0);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3448 std::swap (w, h);
9405 7cc35bc348cc Install text engine headers and fix rendering of 90x rotated text. Michael Goffioul <michael.goffioul@gmail.com> parents: 9403 diff changeset	3449 y0 = -y0-bbox(2);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3450 break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3451 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3452
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3453 bool blend = glIsEnabled (GL_BLEND);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3454
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3455 glEnable (GL_BLEND);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3456 glEnable (GL_ALPHA_TEST);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3457 glRasterPos3d (x, y, z);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3458 glBitmap(0, 0, 0, 0, x0, y0, 0);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3459 glDrawPixels (w, h,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3460 GL_RGBA, GL_UNSIGNED_BYTE, pixels.data ());
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3461 glDisable (GL_ALPHA_TEST);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3462 if (! blend)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3463 glDisable (GL_BLEND);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3464
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3465 return bbox;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3466 #else
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	3467 ::warning ("render_text: cannot render text, Freetype library not available");
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3468 return Matrix (1, 4, 0.0);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3469 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3470 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3471
7954 3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	3472 #endif

Mercurial > octave

annotate src/gl-render.cc @ 11385:71e7467fbd34