octave: src/gl-render.cc annotate

annotate src/gl-render.cc @ 11026:811d8f113423

reverse order in which child objects are processed in OpenGL renderer

author	John W. Eaton <jwe@octave.org>
date	Mon, 27 Sep 2010 02:51:20 -0400
parents	f56255a2b890
children	d748acc75658

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));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	557 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	558 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	559 props.graphics_object_name ().c_str ());
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	560 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	561
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	562 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	563 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	564 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	565 backend = props.get_backend ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	566
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	567 // Initialize OpenGL context
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	568
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	569 glEnable (GL_DEPTH_TEST);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	570 glDepthFunc (GL_LEQUAL);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	571 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	572 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	573 glEnable (GL_NORMALIZE);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	574
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	575 if (props.is___enhanced__ ())
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	576 {
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	577 glEnable (GL_BLEND);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	578 glEnable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	579 }
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	580 else
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 glDisable (GL_BLEND);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	583 glDisable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	584 }
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	585
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	586 // Clear background
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	587
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	588 Matrix c = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	589
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	590 if (c.length() >= 3)
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 glClearColor (c(0), c(1), c(2), 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	593 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	594 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	595
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	596 // Draw children
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	597
8263 22c078fd926b make fltk backend figures work again John W. Eaton <jwe@octave.org> parents: 7954 diff changeset	598 draw (props.get_all_children ());
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	599 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	600
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	601 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	602 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	603 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	604 // setup OpenGL transformation
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 Matrix x_zlim = props.get_transform_zlim ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	607 Matrix x_mat1 = props.get_opengl_matrix_1 ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	608 Matrix x_mat2 = props.get_opengl_matrix_2 ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	609
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	610 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	611 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	612
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	613 #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	614 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	615 #else
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	616 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	617 #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	618
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	619 glGetIntegerv (GL_VIEWPORT, vw);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	620
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	621 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	622 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	623 glScaled(1, 1, -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	624 glMultMatrixd (x_mat1.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	625 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	626 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	627 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	628 glMultMatrixd (x_mat2.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	629 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	630
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	631 glClear (GL_DEPTH_BUFFER_BIT);
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 // store axes transformation data
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 xform = props.get_transform ();
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 // draw axes object
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	638
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	639 GLboolean antialias;
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	640 glGetBooleanv (GL_LINE_SMOOTH, &antialias);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	641 glDisable (GL_LINE_SMOOTH);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	642
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	643 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	644 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	645 Matrix zlim = xform.zscale (props.get_zlim ().matrix_value ());
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	646 double x_min = xlim(0), x_max = xlim(1);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	647 double y_min = ylim(0), y_max = ylim(1);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	648 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	649
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	650 double xd = (props.xdir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	651 double yd = (props.ydir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	652 double zd = (props.zdir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	653
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	654 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	655 int xstate, ystate, zstate;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	656
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	657 xstate = ystate = zstate = AXE_ANY_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	658
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	659 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	660 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	661 xv(0) = xround (p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	662 xv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	663 xv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	664 if (xv(0) == 0 && xv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	665 xstate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	666 else if (xv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	667 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	668 if (xv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	669 xstate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	670 else if (xv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	671 xstate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	672 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	673 double xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	674 if (xv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	675 if (xv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	676 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	677 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	678 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	679 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	680 xPlane = (xv(2) < 0 ? x_min : x_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	681 double xPlaneN = (xPlane == x_min ? x_max : x_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	682 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	683
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	684 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	685 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	686 yv(0) = xround (p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	687 yv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	688 yv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	689 if (yv(0) == 0 && yv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	690 ystate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	691 else if (yv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	692 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	693 if (yv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	694 ystate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	695 else if (yv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	696 ystate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	697 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	698 double yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	699 if (yv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	700 if (yv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	701 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	702 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	703 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	704 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	705 yPlane = (yv(2) < 0 ? y_min : y_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	706 double yPlaneN = (yPlane == y_min ? y_max : y_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	707 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	708
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	709 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	710 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	711 zv(0) = xround(p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	712 zv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	713 zv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	714 if (zv(0) == 0 && zv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	715 zstate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	716 else if (zv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	717 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	718 if (zv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	719 zstate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	720 else if (zv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	721 zstate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	722 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	723 double zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	724 if (zv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	725 if (zv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	726 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	727 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	728 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	729 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	730 zPlane = (zv(2) < 0 ? z_min : z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	731 double zPlaneN = (zPlane == z_min ? z_max : z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	732 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	733
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	734 bool mode2d = (((xstate > AXE_DEPTH_DIR ? 1 : 0) +
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	735 (ystate > AXE_DEPTH_DIR ? 1 : 0) +
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	736 (zstate > AXE_DEPTH_DIR ? 1 : 0)) == 2);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	737 if (props.tickdirmode_is ("auto"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	738 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	739 // FIXME: tickdir should be updated (code below comes
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	740 // from JHandles)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	741 //autoMode++;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	742 //TickDir.set(mode2d ? "in" : "out", true);
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 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	745
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	746 // FIXME: use ticklength property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	747 double xticklen = 7, yticklen = 7, zticklen = 7;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	748
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	749 //double tickdir = (props.tickdir_is ("in") ? -1 : 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	750 double tickdir = (props.tickdirmode_is ("auto") ?
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	751 (mode2d ? -1 : 1) :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	752 (props.tickdir_is ("in") ? -1 : 1));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	753 double xtickoffset = (mode2d && tickdir < 0 ? 0 : xticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	754 double ytickoffset = (mode2d && tickdir < 0 ? 0 : yticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	755 double ztickoffset = (mode2d && tickdir < 0 ? 0 : zticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	756
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	757 bool xySym = (xdyd(xPlane-xPlaneN)*(yPlane-yPlaneN) > 0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	758 bool x2Dtop = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	759 bool y2Dright = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	760 double zpTick = zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	761
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	762 /* 2D mode */
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	763 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	764 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	765 if (props.xaxislocation_is ("top"))
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 double tmp = yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	768 yPlane = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	769 yPlaneN = tmp;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	770 x2Dtop = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	771 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	772 if (props.yaxislocation_is ("right"))
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 double tmp = xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	775 xPlane = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	776 xPlaneN = tmp;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	777 y2Dright = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	778 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	779 if (props.layer_is ("top"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	780 zpTick = zPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	781 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	782
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	783 Matrix axe_color = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	784 bool visible = props.is_visible ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	785 bool box = props.is_box ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	786
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	787 // Axes planes
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 if (axe_color.numel () > 0 && visible)
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 set_color (axe_color);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	792 set_polygon_offset (true, 2.5);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	793
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	794 glBegin (GL_QUADS);
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 // X plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	797 glVertex3d (xPlane, y_min, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	798 glVertex3d (xPlane, y_max, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	799 glVertex3d (xPlane, y_max, z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	800 glVertex3d (xPlane, y_min, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	801
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	802 // Y plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	803 glVertex3d (x_min, yPlane, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	804 glVertex3d (x_max, yPlane, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	805 glVertex3d (x_max, yPlane, z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	806 glVertex3d (x_min, yPlane, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	807
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	808 // Z plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	809 glVertex3d (x_min, y_min, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	810 glVertex3d (x_max, y_min, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	811 glVertex3d (x_max, y_max, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	812 glVertex3d (x_min, y_max, zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	813
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	814 glEnd ();
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 set_polygon_offset (false);
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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	819 // Axes box
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 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	822 set_linewidth (props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	823
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	824 if (visible)
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 glBegin (GL_LINES);
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 // X box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	829 set_color (props.get_xcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	830 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	831 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	832 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	833 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	834 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	835 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	836 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	837 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	838 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	839 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	840 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	841
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	842 // Y box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	843 set_color (props.get_ycolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	844 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	845 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	846 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	847 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	848 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	849 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	850 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	851 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	852 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	853 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	854 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	855
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	856 // Z box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	857 set_color (props.get_zcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	858 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	859 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	860 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	861 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	862 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	863 else
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 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	866 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	867 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	868 if (box)
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 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	871 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	872 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	873 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	874 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	875 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	876 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	877 else
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 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	880 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	881 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	882 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	883 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	884 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	885
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	886 glEnd ();
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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	889 std::string gridstyle = props.get_gridlinestyle ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	890 std::string minorgridstyle = props.get_minorgridlinestyle ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	891
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	892 set_font (props);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	893
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	894 // X grid
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	895
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	896 if (visible && xstate != AXE_DEPTH_DIR)
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 bool do_xgrid = (props.is_xgrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	899 bool do_xminorgrid = (props.is_xminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	900 bool do_xminortick = props.is_xminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	901 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	902 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	903 Matrix xmticks;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	904 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	905 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	906 bool tick_along_z = xisinf (fy);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	907 Matrix tickpos (xticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	908
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	909 set_color (props.get_xcolor_rgb ());
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 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	912 if (do_xgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	913 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	914 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	915 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	916 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	917 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	918 double xval = xticks(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 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	921 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	922 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	923 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	924 glVertex3d (xval, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	925 glVertex3d (xval, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	926 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	927 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	928 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	929 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	930 }
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 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	933 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	934 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	935 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	936 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	937 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	938 double xval = xticks(i);
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 glVertex3d (xval, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	941 glVertex3d (xval, yPlaneN, zPlane+signum(zPlane-zPlaneN)fzxticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	942 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	943 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	944 glVertex3d (xval, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	945 glVertex3d (xval, yPlaneN,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	946 zPlaneN+signum(zPlaneN-zPlane)fzxticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	947 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	948 tickpos(i,0) = xval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	949 tickpos(i,1) = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	950 tickpos(i,2) = zPlane+signum(zPlane-zPlaneN)fzxtickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	951 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	952 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	953 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	954 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	955 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	956 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	957 for (int i = 0; i < xticks.numel (); i++)
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 double xval = xticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	960
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	961 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	962 glVertex3d (xval, yPlaneN+signum(yPlaneN-yPlane)fyxticklen*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	963 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	964 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	965 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	966 glVertex3d (xval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	967 yPlane+signum(yPlane-yPlaneN)fyxticklen*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	968 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	969 tickpos(i,0) = xval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	970 tickpos(i,1) = yPlaneN+signum(yPlaneN-yPlane)fyxtickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	971 tickpos(i,2) = zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	972 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	973 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	974 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	975
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	976 // tick texts
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	977 if (xticklabels.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	978 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	979 int n = std::min (xticklabels.numel (), xticks.numel ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	980 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	981 int valign = (xstate == AXE_VERT_DIR
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	982 ? 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	983 : (zd*zv(2) <= 0 && !x2Dtop ? 2 : 0));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	984
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	985 for (int i = 0; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	986 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	987 // FIXME: as tick text is transparent, shouldn't be
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	988 // drawn after axes object, for correct rendering?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	989 Matrix b = render_text (xticklabels(i),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	990 tickpos(i,0), tickpos(i,1), tickpos(i,2),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	991 halign, valign);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	992
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	993 wmax = std::max (wmax, static_cast<int> (b(2)));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	994 hmax = std::max (hmax, static_cast<int> (b(3)));
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 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	997
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	998 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	999 if (do_xminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1000 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1001 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1002 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1003 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1004 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1005 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1006
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1007 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1008 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1009 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1010 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1011 glVertex3d (xval, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1012 glVertex3d (xval, yPlane, zPlane);
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 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1015 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1016 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1017 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1018
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1019 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1020 if (do_xminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1021 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1022 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1023 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1024 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1025 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1026 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1027 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1028
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1029 glVertex3d (xval, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1030 glVertex3d (xval, yPlaneN,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1031 zPlane+signum(zPlane-zPlaneN)fzxticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1032 if (box && xstate != AXE_ANY_DIR)
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 glVertex3d (xval, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1035 glVertex3d (xval, yPlaneN,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1036 zPlaneN+signum(zPlaneN-zPlane)fzxticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1037 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1038 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1039 glEnd ();
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 else
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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1048 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1049 glVertex3d (xval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1050 yPlaneN+signum(yPlaneN-yPlane)fyxticklen/2*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1051 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1052 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1053 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1054 glVertex3d (xval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1055 yPlane+signum(yPlane-yPlaneN)fyxticklen/2*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1056 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1057 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1058 glEnd ();
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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1062 text::properties& xlabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1063 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	1064
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1065 xlabel_props.set_visible ("on");
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1066
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1067 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1068 // label has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1069 if (! xlabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1070 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1071 xlabel_props.set_horizontalalignment (xstate > AXE_DEPTH_DIR ? "center" : (xySym ? "left" : "right"));
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1072 xlabel_props.set_verticalalignment (xstate == AXE_VERT_DIR ? "bottom" : (zd*zv(2) <= 0 ? "top" : "bottom"));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1073
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1074 double angle = 0;
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1075 ColumnVector p = graphics_xform::xform_vector ((x_min+x_max)/2, yPlaneN, zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1076
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1077 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1078 p(2) += (signum(zPlane-zPlaneN)fzxtickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1079 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1080 p(1) += (signum(yPlaneN-yPlane)fyxtickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1081 p = xform.transform (p(0), p(1), p(2), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1082 switch (xstate)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1083 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1084 case AXE_ANY_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1085 p(0) += (xySym ? wmax : -wmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1086 p(1) += (zd*zv(2) <= 0 ? hmax : -hmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1087 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1088 case AXE_VERT_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1089 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1090 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1091 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1092 case AXE_HORZ_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1093 p(1) += hmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1094 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1095 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1096 p = xform.untransform (p(0), p(1), p(2), true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1097 xlabel_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	1098 xlabel_props.set_rotation (angle);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1099 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1100 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1101 else
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1102 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1103 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	1104 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1105
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1106 // Y grid
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1107
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1108 if (ystate != AXE_DEPTH_DIR && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1109 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1110 bool do_ygrid = (props.is_ygrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1111 bool do_yminorgrid = (props.is_yminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1112 bool do_yminortick = props.is_yminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1113 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	1114 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1115 Matrix ymticks;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1116 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	1117 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1118 bool tick_along_z = xisinf (fx);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1119 Matrix tickpos (yticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1120
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1121 set_color (props.get_ycolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1122
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1123 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1124 if (do_ygrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1125 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1126 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1127 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1128 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1129 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1130 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1131
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1132 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1133 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1134 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1135 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1136 glVertex3d (xPlane, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1137 glVertex3d (xPlane, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1138 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1139 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1140 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1141 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1142 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1143
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1144 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1145 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1146 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1147 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1148 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1149 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1150 double yval = yticks(i);
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 glVertex3d (xPlaneN, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1153 glVertex3d (xPlaneN, yval, zPlane+signum(zPlane-zPlaneN)fzyticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1154 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1155 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1156 glVertex3d (xPlaneN, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1157 glVertex3d (xPlaneN, yval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1158 zPlaneN+signum(zPlaneN-zPlane)fzyticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1159 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1160 tickpos(i,0) = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1161 tickpos(i,1) = yval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1162 tickpos(i,2) = zPlane+signum(zPlane-zPlaneN)fzytickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1163 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1164 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1165 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1166 else
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 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1169 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1170 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1171 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1172
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1173 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1174 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxyticklen*tickdir, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1175 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1176 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1177 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1178 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxyticklen*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1179 yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1180 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1181 tickpos(i,0) = xPlaneN+signum(xPlaneN-xPlane)fxytickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1182 tickpos(i,1) = yval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1183 tickpos(i,2) = zPlane;
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 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1187
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1188 // tick texts
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1189 if (yticklabels.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1190 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1191 int n = std::min (yticklabels.numel (), yticks.numel ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1192 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	1193 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	1194
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1195 for (int i = 0; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1196 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1197 // FIXME: as tick text is transparent, shouldn't be
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1198 // drawn after axes object, for correct rendering?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1199 Matrix b = render_text (yticklabels(i),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1200 tickpos(i,0), tickpos(i,1), tickpos(i,2),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1201 halign, valign);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1202
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1203 wmax = std::max (wmax, static_cast<int> (b(2)));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1204 hmax = std::max (hmax, static_cast<int> (b(3)));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1205 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1206 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1207
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1208 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1209 if (do_yminorgrid)
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 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1212 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1213 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1214 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1215 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1216
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1217 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1218 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1219 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1220 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1221 glVertex3d (xPlane, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1222 glVertex3d (xPlane, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1223 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1224 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1225 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1226 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1227 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1228
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1229 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1230 if (do_yminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1231 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1232 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1233 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1234 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1235 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1236 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1237 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1238
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1239 glVertex3d (xPlaneN, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1240 glVertex3d (xPlaneN, yval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1241 zPlane+signum(zPlane-zPlaneN)fzyticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1242 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1243 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1244 glVertex3d (xPlaneN, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1245 glVertex3d (xPlaneN, yval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1246 zPlaneN+signum(zPlaneN-zPlane)fzyticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1247 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1248 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1249 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1250 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1251 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1252 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1253 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1254 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1255 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1256 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1257
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1258 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1259 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxyticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1260 yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1261 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1262 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1263 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1264 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxyticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1265 yval, zpTick);
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 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1268 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1269 }
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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1272 text::properties& ylabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1273 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	1274
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1275 ylabel_props.set_visible ("on");
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1276
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1277 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1278 // label has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1279 if (! ylabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1280 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1281 ylabel_props.set_horizontalalignment (ystate > AXE_DEPTH_DIR ? "center" : (!xySym ? "left" : "right"));
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1282 ylabel_props.set_verticalalignment (ystate == AXE_VERT_DIR ? "bottom" : (zd*zv(2) <= 0 ? "top" : "bottom"));
7825 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 double angle = 0;
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1285 ColumnVector p = graphics_xform::xform_vector (xPlaneN, (y_min+y_max)/2, zPlane);
7825 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 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1288 p(2) += (signum(zPlane-zPlaneN)fzytickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1289 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1290 p(0) += (signum(xPlaneN-xPlane)fxytickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1291 p = xform.transform (p(0), p(1), p(2), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1292 switch (ystate)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1293 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1294 case AXE_ANY_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1295 p(0) += (!xySym ? wmax : -wmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1296 p(1) += (zd*zv(2) <= 0 ? hmax : -hmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1297 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1298 case AXE_VERT_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1299 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1300 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1301 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1302 case AXE_HORZ_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1303 p(1) += hmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1304 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1305 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1306 p = xform.untransform(p(0), p(1), p(2), true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1307 ylabel_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	1308 ylabel_props.set_rotation (angle);
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 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1311 else
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1312 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1313 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	1314 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1315
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1316 // Z Grid
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 if (zstate != AXE_DEPTH_DIR && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1319 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1320 bool do_zgrid = (props.is_zgrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1321 bool do_zminorgrid = (props.is_zminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1322 bool do_zminortick = props.is_zminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1323 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	1324 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1325 Matrix zmticks;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1326 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	1327 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1328 Matrix tickpos (zticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1329
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1330 set_color (props.get_zcolor_rgb ());
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 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1333 if (do_zgrid)
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 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1336 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1337 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1338 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1339 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1340
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1341 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1342 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1343 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1344 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1345 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1346 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1347 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1348 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1349
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1350 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1351 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1352 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1353 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1354 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1355 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1356 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1357 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1358 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1359
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1360 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1361 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxzticklen*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1362 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1363 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1364 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1365 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1366 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1367 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1368 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1369 tickpos(i,0) = xPlaneN+signum(xPlaneN-xPlane)fxztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1370 tickpos(i,1) = yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1371 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1372 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1373 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1374 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1375 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1376 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1377 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1378 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1379 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1380 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1381
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1382 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1383 glVertex3d (xPlaneN, yPlane+signum(yPlane-yPlaneN)fyzticklen*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1384 tickpos(i,0) = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1385 tickpos(i,1) = yPlane+signum(yPlane-yPlaneN)fyztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1386 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1387 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1388 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1389 }
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 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1392 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1393 if (xisinf (fx))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1394 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1395 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1396 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1397 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1398 double zval = zticks(i);
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 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1401 glVertex3d (xPlane, yPlaneN+signum(yPlaneN-yPlane)fyzticklen*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1402 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1403 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1404 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1405 glVertex3d (xPlane, yPlane+signum(yPlane-yPlaneN)fyzticklen*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1406 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1407 tickpos(i,0) = xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1408 tickpos(i,1) = yPlaneN+signum(yPlaneN-yPlane)fyztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1409 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1410 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1411 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1412 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1413 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1414 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1415 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1416 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1417 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1418 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1419
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1420 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1421 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen*tickdir, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1422 tickpos(i,0) = xPlane+signum(xPlane-xPlaneN)fxztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1423 tickpos(i,1) = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1424 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1425 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1426 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1427 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1428 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1429
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1430 // FIXME: tick texts
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1431 if (zticklabels.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1432 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1433 int n = std::min (zticklabels.numel (), zticks.numel ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1434 int halign = 2;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1435 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	1436
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1437 for (int i = 0; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1438 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1439 // FIXME: as tick text is transparent, shouldn't be
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1440 // drawn after axes object, for correct rendering?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1441 Matrix b = render_text (zticklabels(i),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1442 tickpos(i,0), tickpos(i,1), tickpos(i,2),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1443 halign, valign);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1444
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1445 wmax = std::max (wmax, static_cast<int> (b(2)));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1446 hmax = std::max (hmax, static_cast<int> (b(3)));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1447 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1448 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1449
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1450 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1451 if (do_zminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1452 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1453 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1454 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1455 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1456 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1457 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1458
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1459 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1460 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1461 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1462 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1463 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1464 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1465 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1466 }
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 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1469 if (do_zminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1470 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1471 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1472 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1473 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1474 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1475 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1476 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1477 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1478 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1479
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1480 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1481 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxzticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1482 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1483 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1484 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1485 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1486 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1487 yPlane, zval);
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 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1490 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1491 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1492 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1493 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1494 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1495 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1496 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1497 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1498
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1499 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1500 glVertex3d (xPlaneN, yPlane+signum(yPlane-yPlaneN)fyzticklen/2*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1501 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1502 glEnd ();
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 else
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 if (xisinf (fx))
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 < zmticks.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 = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1513
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1514 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1515 glVertex3d (xPlane, yPlaneN+signum(yPlaneN-yPlane)fyzticklen/2*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1516 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1517 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1518 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1519 glVertex3d (xPlane, yPlane+signum(yPlane-yPlaneN)fyzticklen/2*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1520 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1521 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1522 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1523 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1524 else
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 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1527 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1528 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1529 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1530
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1531 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1532 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen/2*tickdir, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1533 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1534 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1535 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1536 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1537 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1538
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1539 text::properties& zlabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1540 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	1541
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1542 zlabel_props.set_visible ("on");
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1543
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1544 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1545 // label has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1546 if (! zlabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1547 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1548 bool camAuto = props.cameraupvectormode_is ("auto");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1549
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1550 zlabel_props.set_horizontalalignment ((zstate > AXE_DEPTH_DIR \|\| camAuto) ? "center" : "right");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1551 zlabel_props.set_verticalalignment(zstate == AXE_VERT_DIR ? "bottom" : ((zd*zv(2) < 0 \|\| camAuto) ? "bottom" : "top"));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1552
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1553 double angle = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1554 ColumnVector p;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1555
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1556 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1557 {
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1558 p = graphics_xform::xform_vector (xPlaneN, yPlane, (z_min+z_max)/2);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1559 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1560 p(0) += (signum(xPlaneN-xPlane)fxztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1561 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1562 p(1) += (signum(yPlane-yPlaneN)fyztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1563 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1564 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1565 {
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1566 p = graphics_xform::xform_vector (xPlane, yPlaneN, (z_min+z_max)/2);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1567 if (xisinf (fx))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1568 p(1) += (signum(yPlaneN-yPlane)fyztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1569 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1570 p(0) += (signum(xPlane-xPlaneN)fxztickoffset);
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 p = xform.transform (p(0), p(1), p(2), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1573 switch (zstate)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1574 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1575 case AXE_ANY_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1576 if (camAuto)
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 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1579 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1580 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1581 /* FIXME: what's the correct offset?
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1582 p[0] += (!xySym ? wmax : -wmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1583 p[1] += (zd*zv[2] <= 0 ? hmax : -hmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1584 */
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1585 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1586 case AXE_VERT_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1587 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1588 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1589 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1590 case AXE_HORZ_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1591 p(1) += hmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1592 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1593 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1594 p = xform.untransform (p(0), p(1), p(2), true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1595 zlabel_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	1596 zlabel_props.set_rotation (angle);
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 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1599 else
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1600 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1601 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	1602 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1603
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1604 set_linestyle ("-");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1605
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1606 // Title
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1607
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1608 text::properties& title_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1609 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	1610
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1611 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1612 // title has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1613 if (! title_props.get_string ().empty ())
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 Matrix bb = props.get_boundingbox (true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1616 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	1617 (x_zlim(0)+x_zlim(1))/2, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1618 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	1619 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1620
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1621 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	1622
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1623 // Children
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1624
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1625 if (antialias == GL_TRUE)
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1626 glEnable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1627
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1628 Matrix children = props.get_all_children ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1629 std::list<graphics_object> obj_list;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1630 std::list<graphics_object>::iterator it;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1631
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1632 // 1st pass: draw light objects
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1633
11026 811d8f113423 reverse order in which child objects are processed in OpenGL renderer John W. Eaton <jwe@octave.org> parents: 10924 diff changeset	1634 // 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	1635 // 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	1636
811d8f113423 reverse order in which child objects are processed in OpenGL renderer John W. Eaton <jwe@octave.org> parents: 10924 diff changeset	1637 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	1638 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1639 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	1640
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1641 if (go.get_properties ().is_visible ())
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 if (go.isa ("light"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1644 draw (go);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1645 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1646 obj_list.push_back (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1647 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1648 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1649
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1650 // 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	1651
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1652 it = obj_list.begin ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1653 while (it != obj_list.end ())
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 graphics_object go = (*it);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1656
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1657 // 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	1658 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	1659 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1660 set_clipping (go.get_properties ().is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1661 draw (go);
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 it = obj_list.erase (it);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1664 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1665 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1666 it++;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1667 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1668
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1669 // 3rd pass: draw remaining objects
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1670
10402 9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	1671 glDisable (GL_DEPTH_TEST);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1672 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	1673 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1674 graphics_object go = (*it);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1675
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1676 set_clipping (go.get_properties ().is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1677 draw (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1678 }
10402 9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	1679 glEnable (GL_DEPTH_TEST);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1680
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1681 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1682 // FIXME: finalize rendering (transparency processing)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1683 // FIXME: draw zoom box, if needed
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1684 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1685
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1686 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	1687 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	1688 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1689 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	1690 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	1691 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	1692
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1693 bool has_z = (z.numel () > 0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1694 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	1695 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	1696
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1697 std::vector<octave_uint8> clip (n);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1698
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1699 if (has_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1700 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1701 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	1702 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1703 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1704 double z_mid = (zmin+zmax)/2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1705
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1706 for (int i = 0; i < n; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1707 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	1708 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1709
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1710 if (! props.linestyle_is ("none"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1711 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1712 set_color (props.get_color_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1713 set_linestyle (props.get_linestyle (), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1714 set_linewidth (props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1715
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1716 if (has_z)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1717 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1718 bool flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1719
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1720 for (int i = 1; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1721 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1722 if ((clip[i-1] & clip[i]) == clip_ok)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1723 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1724 if (! flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1725 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1726 flag = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1727 glBegin (GL_LINE_STRIP);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1728 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	1729 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1730 glVertex3d (x(i), y(i), z(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1731 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1732 else if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1733 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1734 flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1735 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1736 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1737 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1738
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1739 if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1740 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1741 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1742 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1743 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1744 bool flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1745
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1746 for (int i = 1; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1747 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1748 if ((clip[i-1] & clip[i]) == clip_ok)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1749 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1750 if (! flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1751 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1752 flag = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1753 glBegin (GL_LINE_STRIP);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1754 glVertex2d (x(i-1), y(i-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1755 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1756 glVertex2d (x(i), y(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1757 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1758 else if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1759 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1760 flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1761 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1762 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1763 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1764
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1765 if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1766 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1767 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1768
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1769 set_linewidth (0.5);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1770 set_linestyle ("-");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1771 }
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 set_clipping (false);
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 (! props.marker_is ("none") &&
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1776 ! (props.markeredgecolor_is ("none")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1777 && props.markerfacecolor_is ("none")))
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1778 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1779 Matrix lc, fc;
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 if (props.markeredgecolor_is ("auto"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1782 lc = props.get_color_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1783 else if (! props.markeredgecolor_is ("none"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1784 lc = props.get_markeredgecolor_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1785
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1786 if (props.markerfacecolor_is ("auto"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1787 fc = props.get_color_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1788 else if (! props.markerfacecolor_is ("none"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1789 fc = props.get_markerfacecolor_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1790
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1791 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	1792 props.get_linewidth ());
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1793
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1794 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1795 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1796 if (clip[i] == clip_ok)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1797 draw_marker (x(i), y(i), (has_z ? z(i) : 0), lc, fc);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1798 }
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 end_marker ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1801 }
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1802
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1803 set_clipping (props.is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1804 }
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 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	1807 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	1808 {
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	1809 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	1810 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	1811 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	1812
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1813 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	1814
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1815 NDArray c;
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	1816 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	1817
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1818 // FIXME: handle transparency
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1819 Matrix a;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1820
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1821 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	1822 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	1823
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1824 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	1825 (props.facecolor_is ("flat") ? 1 :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1826 (props.facecolor_is ("interp") ? 2 :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1827 (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	1828 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	1829 (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	1830 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	1831 (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	1832 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	1833 (props.edgecolor_is ("flat") ? 1 :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1834 (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	1835 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	1836 (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	1837 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	1838 (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	1839
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1840 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	1841 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	1842
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1843 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	1844 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	1845 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	1846 float se = props.get_specularexponent ();
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1847 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	1848 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	1849
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1850 opengl_texture tex;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1851
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1852 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	1853 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	1854 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	1855
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1856 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	1857
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1858 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	1859
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1860 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	1861 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1862 if (x_mat)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1863 i1 = i;
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1864
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1865 for (int j = 0; j < zc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1866 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1867 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1868 j1 = j;
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 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	1871 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1872 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1873
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1874 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	1875 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	1876
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1877 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	1878 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1879 // FIXME: implement alphadata conversion
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1880 //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	1881 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1882
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1883 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	1884 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1885 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	1886
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1887 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	1888 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	1889 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1890
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1891 // 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	1892 // 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	1893 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1894 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	1895
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1896 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	1897 {
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1898 if (props.get_facealpha_double () == 1)
10315 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 if (fc_mode == 0 \|\| fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1901 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1902 glColor3dv (fcolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1903 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1904 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1905 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1906 cb[i] = as * fcolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1907 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1908
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1909 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1910 cb[i] = ds * fcolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1911 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1912 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1913 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1914
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1915 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1916 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1917 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	1918 set_polygon_offset (true, 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1919 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1920 glEnable (GL_TEXTURE_2D);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1921
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1922 for (int i = 1; i < zc; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1923 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1924 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1925 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1926 i1 = i-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1927 i2 = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1928 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1929
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1930 for (int j = 1; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1931 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1932 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	1933 \|\| clip (j-1, i) \|\| clip (j, i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1934 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1935
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1936 if (x_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1937 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1938 j1 = j-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1939 j2 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1940 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1941
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1942 glBegin (GL_QUADS);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1943
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1944 // Vertex 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1945 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1946 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	1947 else if (fc_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1948 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1949 // 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	1950 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1951 cb[k] = c(j-1, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1952 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1953
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1954 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1955 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1956 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1957 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1958 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1959
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1960 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1961 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	1962 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1963 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1964 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1965 if (fl_mode > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1966 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1967 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	1968 + 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	1969 + 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	1970 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	1971 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1972 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	1973
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1974 // Vertex 2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1975 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1976 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	1977 else if (fc_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1978 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1979 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1980 cb[k] = c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1981 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1982
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1983 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1984 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1985 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1986 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1987 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1988
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1989 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1990 cb[k] = ds * c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1991 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1992 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1993 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1994
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1995 if (fl_mode == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1996 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1997 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	1998 + 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	1999 + 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	2000 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	2001 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2002
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2003 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	2004
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2005 // Vertex 3
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2006 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2007 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	2008 else if (fc_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2009 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2010 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2011 cb[k] = c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2012 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2013
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2014 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2015 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2016 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2017 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2018 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2019
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2020 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2021 cb[k] = ds * c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2022 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2023 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2024 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2025 if (fl_mode == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2026 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2027 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	2028 + n(j,i,1) * n(j,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2029 + n(j,i,2) * n(j,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2030 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	2031 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2032 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	2033
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2034 // Vertex 4
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2035 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2036 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	2037 else if (fc_mode == 2)
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 k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2040 cb[k] = c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2041 glColor3fv (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 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2044 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2045 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2046 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2047 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
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 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2050 cb[k] = ds * c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2051 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2052 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2053 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2054 if (fl_mode == 2)
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 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	2057 + 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	2058 + 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	2059 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	2060 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2061 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	2062
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2063 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2064 }
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2067 set_polygon_offset (false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2068 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2069 glDisable (GL_TEXTURE_2D);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2070
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2071 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2072 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2073 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2074 else
10315 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 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2077 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2078 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2079
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2080 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	2081 {
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2082 if (props.get_edgealpha_double () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2083 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2084 if (ec_mode == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2085 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2086 glColor3dv (ecolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2087 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2088 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2089 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2090 cb[i] = as * ecolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2091 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2092
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2093 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2094 cb[i] = ds * ecolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2095 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2096 }
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2099 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2100 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2101 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	2102
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2103 set_linestyle (props.get_linestyle (), false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2104 set_linewidth (props.get_linewidth ());
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 // Mesh along Y-axis
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 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	2109 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2110 for (int i = 0; i < zc; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2111 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2112 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2113 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2114 i1 = i-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2115 i2 = i;
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2118 for (int j = 1; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2119 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2120 if (clip(j-1,i) \|\| clip(j,i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2121 continue;
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 if (x_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2124 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2125 j1 = j-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2126 j2 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2127 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2128
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2129 glBegin (GL_LINES);
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 // Vertex 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2132 if (ec_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2133 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2134 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2135 cb[k] = c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2136 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2137
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2138 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2139 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2140 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2141 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2142 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
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] = ds * c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2146 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, 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 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2149 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2150 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2151 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	2152 + 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	2153 + 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	2154 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	2155 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2156 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	2157
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2158 // Vertex 2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2159 if (ec_mode == 2)
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 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2162 cb[k] = c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2163 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2164
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2165 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2166 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2167 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2168 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2169 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2170
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2171 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2172 cb[k] = ds * c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2173 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2174 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2175 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2176 if (el_mode == 2)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2177 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2178 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	2179 + n(j,i,1) * n(j,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2180 + n(j,i,2) * n(j,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2181 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	2182 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2183 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	2184
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2185 glEnd ();
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 }
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 // Mesh along X-axis
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2191
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2192 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	2193 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2194 for (int j = 0; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2195 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2196 if (x_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2197 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2198 j1 = j-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2199 j2 = j;
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2202 for (int i = 1; i < zc; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2203 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2204 if (clip(j,i-1) \|\| clip(j,i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2205 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2206
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2207 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2208 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2209 i1 = i-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2210 i2 = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2211 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2212
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2213 glBegin (GL_LINES);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2214
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2215 // Vertex 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2216 if (ec_mode > 0)
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 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2219 cb[k] = c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2220 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2221
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2222 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2223 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2224 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2225 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2226 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2227
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2228 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2229 cb[k] = ds * c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2230 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
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 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2235 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	2236 + 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	2237 + 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	2238 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	2239 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2240 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	2241
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2242 // Vertex 2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2243 if (ec_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2244 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2245 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2246 cb[k] = c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2247 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2248
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2249 if (fl_mode > 0)
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 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2252 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2253 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2254
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2255 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2256 cb[k] = ds * c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2257 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
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 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2260 if (el_mode == 2)
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 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	2263 + n(j,i,1) * n(j,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2264 + n(j,i,2) * n(j,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2265 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	2266 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2267 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	2268
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2269 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2270 }
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 }
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 set_linestyle ("-");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2275 set_linewidth (0.5);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2276
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2277 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2278 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2279 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2280 else
10315 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 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2283 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2284 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2285
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2286 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	2287 ! (props.markeredgecolor_is ("none")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2288 && 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	2289 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2290 // 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	2291 // 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	2292 // 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	2293
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2294 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	2295 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	2296
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2297 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	2298 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	2299 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	2300
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2301 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	2302 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2303 mecolor = props.get_edgecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2304 do_edge = ! props.edgecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2305 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2306
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2307 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	2308 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2309 mfcolor = props.get_facecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2310 do_face = ! props.facecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2311 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2312
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2313 if ((mecolor.numel () == 0 \|\| mfcolor.numel () == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2314 && c.numel () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2315 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	2316
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2317 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	2318 props.get_linewidth ());
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2319
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2320 for (int i = 0; i < zc; i++)
10315 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 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2323 i1 = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2324
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2325 for (int j = 0; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2326 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2327 if (clip(j,i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2328 continue;
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 j1 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2332
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2333 if ((do_edge && mecolor.numel () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2334 \|\| (do_face && mfcolor.numel () == 0))
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 k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2337 cc(k) = c(j,i,k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2338 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2339
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2340 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	2341 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	2342
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2343 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	2344 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2345 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2346
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2347 end_marker ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2348 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2349 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2350
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	2351 // 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	2352 // 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	2353 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2354 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	2355 {
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2356 const Matrix f = props.get_faces ().matrix_value ();
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2357 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	2358 Matrix c;
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2359 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	2360 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	2361
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2362 int nv = v.rows ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2363 // int vmax = v.columns ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2364 int nf = f.rows ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2365 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	2366
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2367 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	2368 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	2369 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	2370
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2371 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	2372 (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	2373 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	2374 (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	2375 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	2376 (props.facealpha_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	2377 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	2378 (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	2379 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	2380 (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	2381 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	2382 (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	2383
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2384 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	2385 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	2386
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2387 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	2388 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	2389 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	2390 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	2391
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2392 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	2393
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2394 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	2395 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	2396 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	2397 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	2398 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	2399 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	2400
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2401 boolMatrix clip_f (1, nf, false);
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10315 diff changeset	2402 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	2403
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2404 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	2405 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2406 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	2407 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	2408
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2409 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	2410 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	2411
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2412 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	2413 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	2414 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2415
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2416 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	2417 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2418 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	2419
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2420 if (c.rows () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2421 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2422 // 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	2423
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2424 if (fc_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2425 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2426 fcolor = c;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2427 fc_mode = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2428 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2429
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2430 if (ec_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2431 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2432 ecolor = c;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2433 ec_mode = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2434 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2435
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2436 c = Matrix ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2437 }
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	2438 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2439 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	2440 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2441
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2442 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	2443 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2444 // 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	2445 //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	2446 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	2447 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2448
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7914 diff changeset	2449 octave_idx_type fr = f.rows ();
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2450 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	2451
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2452 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	2453 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	2454 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2455 int idx = int (f(i,j) - 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2456
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2457 Matrix vv (1, 3, 0.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2458 Matrix cc;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2459 Matrix nn(1, 3, 0.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2460 double aa = 1.0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2461
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2462 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	2463 if (has_z)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2464 vv(2) = v(idx,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2465 // FIXME: uncomment when patch object has normal computation
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2466 //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	2467 if (c.numel () > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2468 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2469 cc.resize (1, 3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2470 if (has_facecolor)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2471 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	2472 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2473 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	2474 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2475 if (a.numel () > 0)
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 if (has_facealpha)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2478 aa = a(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2479 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2480 aa = a(idx);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2481 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2482
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2483 vdata[i+j*fr] =
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2484 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	2485 }
8ff92634982d Add initial 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
8ff92634982d Add initial 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 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	2488 {
8ff92634982d Add initial 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 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	2490
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2491 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	2492 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	2493 }
8ff92634982d Add initial 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
8ff92634982d Add initial 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 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	2496 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2497 // 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	2498 if (props.get_facealpha_double () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2499 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2500 if (fc_mode == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2501 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2502 glColor3dv (fcolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2503 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2504 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2505 float cb[4] = { 0, 0, 0, 1 };
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2506
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2507 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2508 cb[i] = (as * fcolor(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2509 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2510
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2511 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2512 cb[i] = ds * fcolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2513 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2514 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2515 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2516
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2517 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2518 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2519
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2520 // FIXME: use __index__ property from patch object
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2521 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	2522
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2523 for (int i = 0; i < nf; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2524 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2525 if (clip_f(i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2526 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2527
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2528 tess.begin_polygon (true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2529 tess.begin_contour ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2530
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2531 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	2532 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2533 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	2534
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2535 tess.add_vertex (vv->coords.fortran_vec (), vv);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2536 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2537
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2538 tess.end_contour ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2539 tess.end_polygon ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2540 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2541
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2542 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2543 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2544 }
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	2545 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2546 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2547 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2548 }
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	2549 }
8ff92634982d Add initial 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 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	2552 {
8ff92634982d Add initial 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 // 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	2554 if (props.get_edgealpha_double () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2555 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2556 if (ec_mode == 0)
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 glColor3dv (ecolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2559 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2560 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2561 float cb[4] = { 0, 0, 0, 1 };
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2562
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2563 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2564 cb[i] = (as * ecolor(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2565 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2566
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2567 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2568 cb[i] = ds * ecolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2569 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2573 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2574 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2575
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2576 set_linestyle (props.get_linestyle (), false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2577 set_linewidth (props.get_linewidth ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2578
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2579 // 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	2580 // offset patch contour as well?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2581 patch_tesselator tess (this, ec_mode, el_mode);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2582
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2583 for (int i = 0; i < nf; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2584 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2585 if (clip_f(i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2586 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2587
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2588 tess.begin_polygon (false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2589 tess.begin_contour ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2590
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2591 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	2592 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2593 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	2594
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2595 tess.add_vertex (vv->coords.fortran_vec (), vv);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2596 }
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 tess.end_contour ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2599 tess.end_polygon ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2600 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2601
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2602 set_linestyle ("-");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2603 set_linewidth (0.5);
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 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2606 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2607 }
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	2608 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2609 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2610 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2611 }
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	2612 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2613
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2614 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	2615 ! (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	2616 {
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2617 bool do_edge = ! props.markeredgecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2618 bool do_face = ! props.markerfacecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2619
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2620 Matrix mecolor = props.get_markeredgecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2621 Matrix mfcolor = props.get_markerfacecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2622 Matrix cc (1, 3, 0.0);
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2623
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2624 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	2625 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2626 mecolor = props.get_edgecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2627 do_edge = ! props.edgecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2628 }
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2629
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2630 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	2631 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2632 mfcolor = props.get_facecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2633 do_face = ! props.facecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2634 }
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2635
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2636 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	2637 props.get_linewidth ());
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2638
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2639 for (int i = 0; i < nf; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2640 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	2641 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2642 int idx = int (f(i,j) - 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2643
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2644 if (clip(idx))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2645 continue;
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 Matrix lc = (do_edge ? (mecolor.numel () == 0 ?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2648 vdata[i+j*fr].get_rep ()->color : mecolor)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2649 : Matrix ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2650 Matrix fc = (do_face ? (mfcolor.numel () == 0 ?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2651 vdata[i+j*fr].get_rep ()->color : mfcolor)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2652 : Matrix ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2653
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2654 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	2655 }
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2656
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2657 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	2658 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2659 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2660
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2661 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2662 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	2663 {
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2664 draw (props.get_children ());
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2665 }
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2666
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2667 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2668 opengl_renderer::draw_text (const text::properties& props)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2669 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2670 if (props.get_string ().empty ())
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2671 return;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2672
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2673 set_font (props);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2674 set_color (props.get_color_rgb ());
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2675
10402 9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	2676 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	2677 int halign = 0, valign = 0;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2678
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2679 if (props.horizontalalignment_is ("center"))
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2680 halign = 1;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2681 else if (props.horizontalalignment_is ("right"))
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2682 halign = 2;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2683
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2684 if (props.verticalalignment_is ("top"))
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2685 valign = 2;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2686 else if (props.verticalalignment_is ("baseline"))
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2687 valign = 3;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2688 else if (props.verticalalignment_is ("middle"))
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2689 valign = 1;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2690
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2691 // FIXME: handle margin and surrounding box
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2692
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2693 render_text (props.get_string (),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2694 pos(0), pos(1), pos(2),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2695 halign, valign, props.get_rotation ());
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2696 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2697
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2698 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2699 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	2700 {
9884 fed4aad2cdca handle indexed images in opengl renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	2701 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	2702 dim_vector dv (cdata.dims ());
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2703 int h = dv(0), w = dv(1);
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2704 bool ok = true;
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2705
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2706 const Matrix x = props.get_xdata ().matrix_value ();
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2707 const Matrix y = props.get_ydata ().matrix_value ();
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2708 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	2709 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	2710
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2711 // image pixel size in screen pixel units
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2712 float pix_dx, pix_dy;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2713 // image pixel size in normalized units
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2714 float nor_dx, nor_dy;
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2715
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2716 if (w > 1)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2717 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2718 pix_dx = (p1(0) - p0(0))/(w-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2719 nor_dx = (x(1) - x(0))/(w-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2720 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2721 else
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2722 {
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2723 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	2724 pix_dx = p1w(0) - p0(0);
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2725 nor_dx = 1;
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2726 }
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2727
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2728 if (h > 1)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2729 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2730 pix_dy = (p1(1) - p0(1))/(h-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2731 nor_dy = (y(1) - y(0))/(h-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2732 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2733 else
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2734 {
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2735 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	2736 pix_dy = p1h(1) - p0(1);
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2737 nor_dy = 1;
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2738 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2739
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2740
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2741 // 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	2742 // 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	2743 // ourselfes - only draw part of the image
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2744
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2745 int j0 = 0, j1 = w;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2746 int i0 = 0, i1 = h;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2747
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2748 float im_xmin = x(0) - nor_dx/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2749 float im_xmax = x(1) + nor_dx/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2750 float im_ymin = y(0) - nor_dy/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2751 float im_ymax = y(1) + nor_dy/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2752 if (props.is_clipping ()) // clip to axes
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2753 {
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2754 if (im_xmin < xmin)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2755 j0 += (xmin - im_xmin)/nor_dx + 1;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2756 if (im_xmax > xmax)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2757 j1 -= (im_xmax - xmax)/nor_dx ;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2758
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2759 if (im_ymin < ymin)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2760 i0 += (ymin - im_ymin)/nor_dy + 1;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2761 if (im_ymax > ymax)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2762 i1 -= (im_ymax - ymax)/nor_dy;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2763 }
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2764 else // clip to viewport
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2765 {
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2766 GLfloat vp[4];
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2767 glGetFloatv(GL_VIEWPORT, vp);
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2768 // FIXME -- actually add the code to do it!
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2769
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2770 }
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2771
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2772 if (i0 >= i1 \|\| j0 >= j1)
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2773 return;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2774
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2775 glPixelZoom (pix_dx, -pix_dy);
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2776 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	2777
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2778 // by default this is 4
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2779 glPixelStorei (GL_UNPACK_ALIGNMENT,1);
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2780
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2781 // Expect RGB data
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2782 if (dv.length () == 3 && dv(2) == 3)
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2783 {
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2784 if (cdata.is_double_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2785 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2786 const NDArray xcdata = cdata.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2787
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2788 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	2789
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2790 for (int i = i0; i < i1; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2791 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2792 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	2793 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2794 a[idx] = xcdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2795 a[idx+1] = xcdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2796 a[idx+2] = xcdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2797 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2798 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2799
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2800 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	2801
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2802 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2803 else if (cdata.is_uint16_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2804 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2805 const uint16NDArray xcdata = cdata.uint16_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2806
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2807 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	2808
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2809 for (int i = i0; i < i1; i++)
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 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	2812 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2813 a[idx] = xcdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2814 a[idx+1] = xcdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2815 a[idx+2] = xcdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2816 }
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2819 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	2820
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2821 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2822 else if (cdata.is_uint8_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2823 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2824 const uint8NDArray xcdata = cdata.uint8_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2825
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2826 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	2827
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2828 for (int i = i0; i < i1; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2829 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2830 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	2831 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2832 a[idx] = xcdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2833 a[idx+1] = xcdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2834 a[idx+2] = xcdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2835 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2836 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2837
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2838 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	2839 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2840 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2841 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2842 ok = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2843 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	2844 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2845 }
9884 fed4aad2cdca handle indexed images in opengl renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	2846 else
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2847 {
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2848 ok = false;
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2849 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	2850 }
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2851 glPixelZoom (1, 1);
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2852 }
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2853
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2854 void
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2855 opengl_renderer::set_viewport (int w, int h)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2856 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2857 glViewport (0, 0, w, h);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2858 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2859
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2860 void
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2861 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	2862 GLenum type, const GLvoid *data)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2863 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2864 glDrawPixels (width, height, format, type, data);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2865 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2866
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2867 void
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2868 opengl_renderer::set_color (const Matrix& c)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2869 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2870 glColor3dv (c.data ());
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2871 #if HAVE_FREETYPE
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2872 text_renderer.set_color (c);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2873 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2874 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2875
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2876 void
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2877 opengl_renderer::set_font (const base_properties& props)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2878 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2879 #if HAVE_FREETYPE
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2880 text_renderer.set_font (props);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2881 #endif
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2882 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2883
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2884 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2885 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	2886 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2887 if (on)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2888 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2889 glPolygonOffset (offset, offset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2890 glEnable (GL_POLYGON_OFFSET_FILL);
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2891 glEnable (GL_POLYGON_OFFSET_LINE);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2892 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2893 else
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2894 {
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2895 glDisable (GL_POLYGON_OFFSET_FILL);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2896 glDisable (GL_POLYGON_OFFSET_LINE);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2897 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2898 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2899
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2900 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2901 opengl_renderer::set_linewidth (float w)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2902 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2903 glLineWidth (w);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2904 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2905
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2906 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2907 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	2908 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2909 bool solid = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2910
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2911 if (s == "-")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2912 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2913 glLineStipple (1, static_cast<unsigned short> (0xFFFF));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2914 solid = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2915 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2916 else if (s == ":")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2917 glLineStipple (1, static_cast<unsigned short> (0x8888));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2918 else if (s == "--")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2919 glLineStipple (1, static_cast<unsigned short> (0x0FFF));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2920 else if (s == "-.")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2921 glLineStipple (1, static_cast<unsigned short> (0x020F));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2922 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2923 glLineStipple (1, static_cast<unsigned short> (0x0000));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2924
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2925 if (solid && ! use_stipple)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2926 glDisable (GL_LINE_STIPPLE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2927 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2928 glEnable (GL_LINE_STIPPLE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2929 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2930
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2931 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2932 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	2933 double z1, double z2)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2934 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2935 double dx = (x2-x1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2936 double dy = (y2-y1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2937 double dz = (z2-z1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2938
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2939 x1 -= 0.001dx; x2 += 0.001dx;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2940 y1 -= 0.001dy; y2 += 0.001dy;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2941 z1 -= 0.001dz; z2 += 0.001dz;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2942
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2943 ColumnVector p (4, 0.0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2944
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2945 p(0) = -1; p(3) = x2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2946 glClipPlane (GL_CLIP_PLANE0, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2947 p(0) = 1; p(3) = -x1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2948 glClipPlane (GL_CLIP_PLANE1, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2949 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	2950 glClipPlane (GL_CLIP_PLANE2, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2951 p(1) = 1; p(3) = -y1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2952 glClipPlane (GL_CLIP_PLANE3, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2953 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	2954 glClipPlane (GL_CLIP_PLANE4, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2955 p(2) = 1; p(3) = -z1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2956 glClipPlane (GL_CLIP_PLANE5, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2957
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2958 xmin = x1; xmax = x2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2959 ymin = y1; ymax = y2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2960 zmin = z1; zmax = z2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2961 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2962
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2963 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2964 opengl_renderer::set_clipping (bool enable)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2965 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2966 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	2967
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2968 if (enable != has_clipping)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2969 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2970 if (enable)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2971 for (int i = 0; i < 6; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2972 glEnable (GL_CLIP_PLANE0+i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2973 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2974 for (int i = 0; i < 6; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2975 glDisable (GL_CLIP_PLANE0+i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2976 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2977 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2978
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2979 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2980 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	2981 {
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	2982 #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	2983 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	2984 #else
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2985 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	2986 #endif
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2987
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2988 glGetIntegerv (GL_VIEWPORT, vw);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2989
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2990 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2991 glPushMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2992 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2993 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	2994 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2995 glPushMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2996
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2997 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2998 set_linewidth (width);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2999
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3000 marker_id = make_marker_list (m, size, false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3001 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	3002 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3003
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3004 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3005 opengl_renderer::end_marker (void)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3006 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3007 glDeleteLists (marker_id, 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3008 glDeleteLists (filled_marker_id, 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3009
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3010 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3011 glPopMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3012 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3013 glPopMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3014 set_linewidth (0.5f);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3015 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3016
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3017 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3018 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	3019 const Matrix& lc, const Matrix& fc)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3020 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3021 ColumnVector tmp = xform.transform (x, y, z, false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3022
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3023 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3024 glTranslated (tmp(0), tmp(1), -tmp(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3025
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3026 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	3027 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3028 glColor3dv (fc.data ());
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3029 set_polygon_offset (true, -1.0);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3030 glCallList (filled_marker_id);
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3031 if (lc.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3032 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3033 glColor3dv (lc.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3034 glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3035 glEdgeFlag (GL_TRUE);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3036 set_polygon_offset (true, -2.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3037 glCallList (filled_marker_id);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3038 glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3039 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3040 set_polygon_offset (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3041 }
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3042 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	3043 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3044 glColor3dv (lc.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3045 glCallList (marker_id);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3046 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3047 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3048
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3049 unsigned int
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3050 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	3051 bool filled) const
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3052 {
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3053 char c = marker[0];
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3054
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3055 if (filled && (c == '+' \|\| c == 'x' \|\| c == '*' \|\| c == '.'))
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3056 return 0;
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3057
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3058 unsigned int ID = glGenLists (1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3059 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	3060
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3061 // constants for the * marker
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3062 const double sqrt2d4 = 0.35355339059327;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3063 double tt = sz*sqrt2d4;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3064
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3065 glNewList (ID, GL_COMPILE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3066
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3067 switch (marker[0])
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3068 {
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3069 case '+':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3070 glBegin (GL_LINES);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3071 glVertex2f (-sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3072 glVertex2f (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3073 glVertex2f (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3074 glVertex2f (0, sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3075 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3076 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3077 case 'x':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3078 glBegin(GL_LINES);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3079 glVertex2f (-sz/2, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3080 glVertex2f (sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3081 glVertex2f (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3082 glVertex2f (sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3083 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3084 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3085 case '*':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3086 glBegin (GL_LINES);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3087 glVertex2f (-sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3088 glVertex2f (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3089 glVertex2f (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3090 glVertex2f (0, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3091 glVertex2f (-tt, -tt);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3092 glVertex2f (+tt, +tt);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3093 glVertex2f (-tt, +tt);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3094 glVertex2f (+tt, -tt);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3095 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3096 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3097 case '.':
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3098 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3099 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	3100
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3101 glBegin (GL_POLYGON);
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3102 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	3103 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	3104 glEnd ();
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3105 }
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3106 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3107 case 's':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3108 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3109 glVertex2d (-sz/2, -sz/2);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3110 glVertex2d (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3111 glVertex2d (sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3112 glVertex2d (sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3113 glEnd();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3114 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3115 case 'o':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3116 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3117 double ang_step = M_PI / 5;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3118
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3119 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3120 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	3121 glVertex2d (szcos(ang)/2, szsin(ang)/2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3122 glEnd ();
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3123 }
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3124 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3125 case 'd':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3126 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3127 glVertex2d (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3128 glVertex2d (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3129 glVertex2d (0, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3130 glVertex2d (-sz/2, 0);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3131 glEnd();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3132 break;
10835 4bbd6f75f173 gl-render.cc: Transpose markers '^' and 'v'. Ben Abbott <bpabbott@mac.com> parents: 10402 diff changeset	3133 case 'v':
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3134 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3135 glVertex2f (0, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3136 glVertex2f (sz/2, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3137 glVertex2f (-sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3138 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3139 break;
10835 4bbd6f75f173 gl-render.cc: Transpose markers '^' and 'v'. Ben Abbott <bpabbott@mac.com> parents: 10402 diff changeset	3140 case '^':
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3141 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3142 glVertex2f (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3143 glVertex2f (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3144 glVertex2f (sz/2, sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3145 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3146 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3147 case '>':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3148 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3149 glVertex2f (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3150 glVertex2f (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3151 glVertex2f (-sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3152 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3153 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3154 case '<':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3155 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3156 glVertex2f (-sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3157 glVertex2f (sz/2, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3158 glVertex2f (sz/2, sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3159 glEnd ();
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3160 break;
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3161 case 'p':
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3162 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3163 double ang;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3164 double r;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3165 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	3166
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3167 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	3168 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	3169 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3170 ang = (-0.5 + double(i+1)/5) * M_PI;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3171 r = 1.0 - (dr * mod(double(i+1), 2.0));
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3172 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	3173 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3174 glEnd ();
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3175 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3176 break;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3177 case 'h':
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3178 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3179 double ang;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3180 double r;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3181 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	3182
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3183 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	3184 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	3185 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3186 ang = (0.5 + double(i+1)/6.0) * M_PI;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3187 r = 1.0 - (dr * mod(double(i+1), 2.0));
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3188 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	3189 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3190 glEnd ();
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3191 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3192 break;
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3193 default:
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3194 warning ("opengl_renderer: unsupported marker `%s'",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3195 marker.c_str ());
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3196 break;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3197 }
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 glEndList ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3200
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3201 return ID;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3202 }
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	3203
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3204 void
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3205 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	3206 double rotation,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3207 uint8NDArray& pixels,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3208 Matrix& bbox,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3209 int& rot_mode)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3210 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3211 // FIXME: clip "rotation" between 0 and 360
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3212
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3213 rot_mode = ft_render::ROTATION_0;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3214
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3215 if (rotation == 90.0)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3216 rot_mode = ft_render::ROTATION_90;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3217 else if (rotation == 180.0)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3218 rot_mode = ft_render::ROTATION_180;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3219 else if (rotation == 270.0)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3220 rot_mode = ft_render::ROTATION_270;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3221
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3222 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	3223 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	3224 delete elt;
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3225 }
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3226
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3227 Matrix
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3228 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	3229 double x, double y, double z,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3230 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	3231 {
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3232 #if HAVE_FREETYPE
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3233 if (txt.empty ())
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3234 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	3235
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3236 Matrix bbox;
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3237 uint8NDArray pixels;
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3238 int rot_mode;
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3239 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	3240
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3241 int x0 = 0, y0 = 0;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3242 int w = bbox(2), h = bbox(3);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3243
9406 c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3244 if (pixels.numel () == 0)
c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3245 {
c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3246 // nothing to render
c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3247 return bbox;
c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3248 }
c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	3249
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3250 switch (halign)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3251 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3252 default: break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3253 case 1: x0 = -bbox(2)/2; break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3254 case 2: x0 = -bbox(2); break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3255 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3256 switch (valign)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3257 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3258 default: break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3259 case 1: y0 = -bbox(3)/2; break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3260 case 2: y0 = -bbox(3); break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3261 case 3: y0 = bbox(1); break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3262 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3263
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3264 switch (rot_mode)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3265 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3266 case ft_render::ROTATION_90:
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3267 std::swap (x0, y0);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3268 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	3269 x0 = -x0-bbox(3);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3270 break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3271 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	3272 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	3273 y0 = -y0-bbox(3);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3274 break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3275 case ft_render::ROTATION_270:
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3276 std::swap (x0, y0);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3277 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	3278 y0 = -y0-bbox(2);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3279 break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3280 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3281
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3282 bool blend = glIsEnabled (GL_BLEND);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3283
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3284 glEnable (GL_BLEND);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3285 glEnable (GL_ALPHA_TEST);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3286 glRasterPos3d (x, y, z);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3287 glBitmap(0, 0, 0, 0, x0, y0, 0);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3288 glDrawPixels (w, h,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3289 GL_RGBA, GL_UNSIGNED_BYTE, pixels.data ());
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3290 glDisable (GL_ALPHA_TEST);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3291 if (! blend)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3292 glDisable (GL_BLEND);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3293
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3294 return bbox;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3295 #else
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	3296 ::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	3297 return Matrix (1, 4, 0.0);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3298 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3299 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3300
7954 3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	3301 #endif

Mercurial > octave

annotate src/gl-render.cc @ 11026:811d8f113423