octave: src/gl-render.cc annotate

annotate src/gl-render.cc @ 12321:6ba28900706b

opengl_renderer::draw_axes: simplify with subfunctions

author	John W. Eaton <jwe@octave.org>
date	Tue, 01 Feb 2011 04:39:21 -0500
parents	db1f49eaba6b
children	2ad37783bf01

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
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11484 diff changeset	3 Copyright (C) 2008-2011 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:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	66 texture_rep (void)
11584 cda4aa780d58 Another round of initialising members in the constructor initialisation list Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11576 diff changeset	67 : id (), w (), h (), tw (), th (), tx (), ty (),
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	68 valid (false), count (1)
11584 cda4aa780d58 Another round of initialising members in the constructor initialisation list Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11576 diff changeset	69 { }
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	70
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	71 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	72 : 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	73 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	74 count (1) { }
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	75
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	76 ~texture_rep (void)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	77 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	78 if (valid)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	79 glDeleteTextures (1, &id);
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	80 }
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 bind (int mode) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	83 { if (valid) glBindTexture (mode, id); }
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 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	86 { if (valid) glTexCoord2d (qtx, rty); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	87
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	88 GLuint id;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	89 int w, h;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	90 int tw, th;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	91 double tx, ty;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	92 bool valid;
12125 a21a3875ca83 implement a common class for reference counts Jaroslav Hajek <highegg@gmail.com> parents: 12122 diff changeset	93 octave_refcount<int> count;
7831 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
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	96 texture_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 private:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	99 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	100
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	101 public:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	102 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	103
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	104 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	105 : rep (tx.rep)
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 rep->count++;
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
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	110 ~opengl_texture (void)
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 if (--rep->count == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	113 delete rep;
7831 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
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	116 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	117 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	118 if (--rep->count == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	119 delete rep;
7831 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 rep = tx.rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	122 rep->count++;
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 return *this;
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
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	127 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	128
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	129 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	130 { rep->bind (mode); }
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 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	133 { rep->tex_coord (q, r); }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	134
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	135 bool is_valid (void) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	136 { return rep->valid; }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	137 };
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 static int
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	140 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	141 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	142 int 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 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	145 m <<= 1;
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 return m;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	148 }
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
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	151 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	152 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	153 opengl_texture retval;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	154
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	155 dim_vector dv (data.dims ());
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	156
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	157 // Expect RGB data
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	158 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	159 {
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	160 // 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	161 // 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	162 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	163 GLuint id;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	164 bool ok = true;
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 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	167 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	168
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	169 glGenTextures (1, &id);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	170 glBindTexture (GL_TEXTURE_2D, id);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	171
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	172 if (data.is_double_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	173 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	174 const NDArray xdata = data.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	175
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	176 OCTAVE_LOCAL_BUFFER (float, a, (3twth));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	177
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	178 for (int i = 0; i < h; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	179 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	180 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	181 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	182 a[idx] = xdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	183 a[idx+1] = xdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	184 a[idx+2] = xdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	185 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	186 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	187
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	188 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	189 GL_RGB, GL_FLOAT, a);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	190 }
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	191 else if (data.is_uint8_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	192 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	193 const uint8NDArray xdata = data.uint8_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	194
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	195 OCTAVE_LOCAL_BUFFER (octave_uint8, a, (3twth));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	196
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	197 for (int i = 0; i < h; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	198 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	199 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	200 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	201 a[idx] = xdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	202 a[idx+1] = xdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	203 a[idx+2] = xdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	204 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	205 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	206
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	207 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	208 GL_RGB, GL_UNSIGNED_BYTE, a);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	209 }
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	210 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	211 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	212 ok = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	213 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	214 }
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	215
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	216 if (ok)
10315 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 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	219 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	220
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	221 if (glGetError () != GL_NO_ERROR)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	222 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	223 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	224 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	225 }
7831 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 else
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	228 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	229
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	230 return retval;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	231 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	232
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	233 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	234 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	235 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	236 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	237 #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	238 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	239 #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	240 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	241 #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	242
8ff92634982d Add initial 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 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	244
11584 cda4aa780d58 Another round of initialising members in the constructor initialisation list Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11576 diff changeset	245 opengl_tesselator (void) : glu_tess (0), fill() { init (); }
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	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 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	248 { 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	249
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	250 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	251 {
8ff92634982d Add initial 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 gluTessProperty (glu_tess, GLU_TESS_BOUNDARY_ONLY,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	253 (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	254 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	255 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	256 }
8ff92634982d Add initial 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 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	259 { 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	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 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	262 { 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	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 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	265 { 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	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 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	268 { 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	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 protected:
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	271 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	272
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	273 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	274
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	275 virtual void vertex (void /data*/) { }
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 combine (GLdouble /c/[3], void /data*/[4],
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	278 GLfloat /w/[4], void */out_data*/) { }
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	279
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	280 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	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 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	283 { ::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	284
8ff92634982d Add initial 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 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	286 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	287 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	288
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	289 gluTessCallback (glu_tess, GLU_TESS_BEGIN_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	290 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	291 gluTessCallback (glu_tess, GLU_TESS_END_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	292 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	293 gluTessCallback (glu_tess, GLU_TESS_VERTEX_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	294 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	295 gluTessCallback (glu_tess, GLU_TESS_COMBINE_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	296 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	297 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	298 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	299 gluTessCallback (glu_tess, GLU_TESS_ERROR_DATA,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	300 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	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
8ff92634982d Add initial 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 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	304
8ff92634982d Add initial 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 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	306 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	307 { reinterpret_cast<opengl_tesselator *> (t)->begin (type); }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	308
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	309 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	310 { reinterpret_cast<opengl_tesselator *> (t)->end (); }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	311
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	312 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	313 { reinterpret_cast<opengl_tesselator *> (t)->vertex (v); }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	314
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	315 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	316 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	317 { reinterpret_cast<opengl_tesselator *> (t)->combine (c, v, w, out); }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	318
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	319 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	320 { reinterpret_cast<opengl_tesselator *> (t)->edge_flag (flag); }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	321
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	322 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	323 { 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	324
8ff92634982d Add initial 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 private:
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	326
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	327 // No copying!
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	328
12174 db1f49eaba6b whitespace fixes John W. Eaton <jwe@octave.org> parents: 12164 diff changeset	329 opengl_tesselator (const opengl_tesselator&);
db1f49eaba6b whitespace fixes John W. Eaton <jwe@octave.org> parents: 12164 diff changeset	330
db1f49eaba6b whitespace fixes John W. Eaton <jwe@octave.org> parents: 12164 diff changeset	331 opengl_tesselator operator = (const opengl_tesselator&);
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	332
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	333 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	334 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	335 };
8ff92634982d Add initial 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
8ff92634982d Add initial 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 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	338 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	339 {
8ff92634982d Add initial 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 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	341 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	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 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	344 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	345 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	346 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	347 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	348 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	349 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	350 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	351 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	352
8ff92634982d Add initial 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 // reference counter
12125 a21a3875ca83 implement a common class for reference counts Jaroslav Hajek <highegg@gmail.com> parents: 12122 diff changeset	354 octave_refcount<int> 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	355
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	356 vertex_data_rep (void)
11584 cda4aa780d58 Another round of initialising members in the constructor initialisation list Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11576 diff changeset	357 : coords (), color (), normal (), alpha (),
cda4aa780d58 Another round of initialising members in the constructor initialisation list Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11576 diff changeset	358 ambient (), diffuse (), specular (), specular_exp (),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	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 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	361 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	362 : coords (c), color (col), normal (n), alpha (a),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	363 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	364 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	365 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	366
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	367 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	368 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	369
8ff92634982d Add initial 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 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	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 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	373
8ff92634982d Add initial 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 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	375 }
8ff92634982d Add initial 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 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	378 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	379 { 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	380
8ff92634982d Add initial 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 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	382 { 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	383
8ff92634982d Add initial 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 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	385 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	386 : 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	387 { }
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	388
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	389 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	390 : 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	391
8ff92634982d Add initial 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 ~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	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 if (--rep->count == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	395 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	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
8ff92634982d Add initial 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 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	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 if (--rep->count == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	401 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	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 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	404 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	405
8ff92634982d Add initial 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 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	407 }
8ff92634982d Add initial 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 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	410 };
8ff92634982d Add initial 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 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	413 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	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 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	416 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	417 : 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	418 color_mode (cmode), light_mode (lmode), index (idx),
12164 18e9a8da7d18 eliminate some -Weffc++ warnings Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 12126 diff changeset	419 first (true), tmp_vdata ()
18e9a8da7d18 eliminate some -Weffc++ warnings Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 12126 diff changeset	420 { }
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	421
8ff92634982d Add initial 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 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	423 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	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 //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	426 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	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 if (color_mode == 2 \|\| light_mode == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	429 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	430 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	431 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	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 if (is_filled ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	434 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	435
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	436 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	437 }
8ff92634982d Add initial 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 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	440 {
8ff92634982d Add initial 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 //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	442 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	443 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	444 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	445
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	446 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	447 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	448 vertex_data::vertex_data_rep *v
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	449 = 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	450 //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	451
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	452 // FIXME: why did I need to keep the first vertex of the face
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	453 // in JHandles? I think it's related to the fact that the
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	454 // 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	455 // 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	456 // 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	457 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	458 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	459 Matrix col = v->color;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	460
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	461 if (col.numel () == 3)
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 glColor3dv (col.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	464 if (light_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	465 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	466 float buf[4] = { 0, 0, 0, 1 };
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	467
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	468 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	469 buf[k] = (v->ambient * col(k));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	470 glMaterialfv (LIGHT_MODE, GL_AMBIENT, buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	471
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	472 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	473 buf[k] = (v->diffuse * col(k));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	474 glMaterialfv (LIGHT_MODE, GL_AMBIENT, buf);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	475 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	476 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	477 }
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	478
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	479 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	480 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	481
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	482 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	483
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	484 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	485 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	486
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	487 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	488 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	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 //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	491
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	492 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	493 int vmax = 4;
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	494
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	495 for (int i = 0; i < 4; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	496 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	497 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	498
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	499 if (vmax == 4 && ! v[i])
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	500 vmax = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	501 }
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	502
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	503 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	504 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	505 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	506 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	507
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	508 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	509 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	510 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	511
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	512 if (v[0]->color.numel ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	513 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	514 cc.resize (1, 3, 0.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	515 for (int ic = 0; ic < 3; ic++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	516 for (int iv = 0; iv < vmax; iv++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	517 cc(ic) += (w[iv] * v[iv]->color(ic));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	518 }
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	519
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	520 if (v[0]->normal.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	521 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	522 for (int in = 0; in < 3; in++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	523 for (int iv = 0; iv < vmax; iv++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	524 nn(in) += (w[iv] * v[iv]->normal(in));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	525 }
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	526
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	527 for (int iv = 0; iv < vmax; iv++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	528 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	529
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	530 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	531 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	532 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	533
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	534 *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	535 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	536
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	537 private:
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	538
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	539 // No copying!
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	540
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	541 patch_tesselator (const patch_tesselator&);
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	542
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	543 patch_tesselator& operator = (const patch_tesselator&);
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	544
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	545 opengl_renderer *renderer;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	546 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	547 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	548 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	549 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	550 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	551 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	552
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	553 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	554 opengl_renderer::draw (const graphics_object& go)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	555 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	556 if (! go.valid_object ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	557 return;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	558
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	559 const base_properties& props = go.get_properties ();
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 if (go.isa ("figure"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	562 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	563 else if (go.isa ("axes"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	564 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	565 else if (go.isa ("line"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	566 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	567 else if (go.isa ("surface"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	568 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	569 else if (go.isa ("patch"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	570 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	571 else if (go.isa ("hggroup"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	572 draw_hggroup (dynamic_cast<const hggroup::properties&> (props));
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	573 else if (go.isa ("text"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	574 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	575 else if (go.isa ("image"))
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	576 draw_image (dynamic_cast<const image::properties&> (props));
11186 f72e17e70378 gl-render.cc: Do not give rendering error for uimenus. Ben Abbott <bpabbott@mac.com> parents: 11175 diff changeset	577 else if (go.isa ("uimenu"))
f72e17e70378 gl-render.cc: Do not give rendering error for uimenus. Ben Abbott <bpabbott@mac.com> parents: 11175 diff changeset	578 ;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	579 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	580 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	581 props.graphics_object_name ().c_str ());
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	582 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	583
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	584 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	585 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	586 {
11576 8ac9687dbe9f rename backend to graphics_toolkit John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	587 toolkit = props.get_toolkit ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	588
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	589 // Initialize OpenGL context
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	590
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	591 glEnable (GL_DEPTH_TEST);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	592 glDepthFunc (GL_LEQUAL);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	593 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	594 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	595 glEnable (GL_NORMALIZE);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	596
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	597 if (props.is___enhanced__ ())
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	598 {
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	599 glEnable (GL_BLEND);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	600 glEnable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	601 }
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	602 else
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	603 {
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	604 glDisable (GL_BLEND);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	605 glDisable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	606 }
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	607
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	608 // Clear background
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	609
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	610 Matrix c = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	611
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	612 if (c.length() >= 3)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	613 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	614 glClearColor (c(0), c(1), c(2), 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	615 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	616 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	617
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	618 // Draw children
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	619
8263 22c078fd926b make fltk backend figures work again John W. Eaton <jwe@octave.org> parents: 7954 diff changeset	620 draw (props.get_all_children ());
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	621 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	622
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	623 void
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	624 opengl_renderer::render_grid (const std::string& gridstyle,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	625 const Matrix& ticks, double lim1, double lim2,
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	626 double p1, double p1N, double p2, double p2N,
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	627 int xyz, bool is_3D)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	628 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	629 set_linestyle (gridstyle, true);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	630 glBegin (GL_LINES);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	631 for (int i = 0; i < ticks.numel (); i++)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	632 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	633 double val = ticks(i);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	634 if (lim1 <= val && val <= lim2)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	635 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	636 if (xyz == 0) // X
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	637 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	638 glVertex3d (val, p1N, p2);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	639 glVertex3d (val, p1, p2);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	640 if (is_3D)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	641 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	642 glVertex3d (val, p1, p2N);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	643 glVertex3d (val, p1, p2);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	644 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	645 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	646 else if (xyz == 1) // Y
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	647 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	648 glVertex3d (p1N, val, p2);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	649 glVertex3d (p1, val, p2);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	650 if (is_3D)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	651 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	652 glVertex3d (p1, val, p2N);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	653 glVertex3d (p1, val, p2);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	654 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	655 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	656 else if (xyz == 2) // Z
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	657 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	658 glVertex3d (p1N, p2, val);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	659 glVertex3d (p1, p2, val);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	660 glVertex3d (p1, p2N, val);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	661 glVertex3d (p1, p2, val);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	662 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	663 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	664 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	665 glEnd ();
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	666 set_linestyle ("-", true);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	667 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	668
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	669 void
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	670 opengl_renderer::render_tickmarks (const Matrix& ticks,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	671 double lim1, double lim2,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	672 double p1, double p1N,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	673 double p2, double p2N,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	674 double dx, double dy, double dz,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	675 int xyz, bool doubleside)
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	676 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	677 glBegin (GL_LINES);
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	678
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	679 for (int i = 0; i < ticks.numel (); i++)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	680 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	681 double val = ticks(i);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	682
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	683 if (lim1 <= val && val <= lim2)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	684 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	685 if (xyz == 0) // X
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	686 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	687 glVertex3d (val, p1, p2);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	688 glVertex3d (val, p1+dy, p2+dz);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	689 if (doubleside)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	690 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	691 glVertex3d (val, p1N, p2N);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	692 glVertex3d (val, p1N-dy, p2N-dz);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	693 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	694 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	695 else if (xyz == 1) // Y
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	696 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	697 glVertex3d (p1, val, p2);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	698 glVertex3d (p1+dx, val, p2+dz);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	699 if (doubleside)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	700 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	701 glVertex3d (p1N, val, p2N);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	702 glVertex3d (p1N-dx, val, p2N-dz);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	703 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	704 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	705 else if (xyz == 2) // Z
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	706 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	707 glVertex3d (p1, p2, val);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	708 glVertex3d (p1+dx, p2+dy, val);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	709 if (doubleside)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	710 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	711 glVertex3d (p1N, p2N, val);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	712 glVertex3d (p1N-dx, p2N-dy, val);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	713 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	714 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	715 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	716 }
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	717
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	718 glEnd ();
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	719 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	720
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	721 void
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	722 opengl_renderer::render_ticktexts (const Matrix& ticks,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	723 const string_vector& ticklabels,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	724 double lim1, double lim2,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	725 double p1, double p2,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	726 int xyz, int ha, int va,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	727 int& wmax, int& hmax)
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	728 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	729 int n = std::min (ticklabels.numel (), ticks.numel ());
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	730
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	731 for (int i = 0; i < n; i++)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	732 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	733 double val = ticks(i);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	734
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	735 if (lim1 <= val && val <= lim2)
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	736 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	737 Matrix b;
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	738 // FIXME: as tick text is transparent, shouldn't be
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	739 // drawn after axes object, for correct rendering?
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	740 if (xyz == 0) // X
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	741 {
12174 db1f49eaba6b whitespace fixes John W. Eaton <jwe@octave.org> parents: 12164 diff changeset	742 b = render_text (ticklabels(i), val, p1, p2, ha, va);
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	743 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	744 else if (xyz == 1) // Y
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	745 {
12174 db1f49eaba6b whitespace fixes John W. Eaton <jwe@octave.org> parents: 12164 diff changeset	746 b = render_text (ticklabels(i), p1, val, p2, ha, va);
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	747 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	748 else if (xyz == 2) // Z
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	749 {
12174 db1f49eaba6b whitespace fixes John W. Eaton <jwe@octave.org> parents: 12164 diff changeset	750 b = render_text (ticklabels(i), p1, p2, val, ha, va);
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	751 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	752
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	753 wmax = std::max (wmax, static_cast<int> (b(2)));
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	754 hmax = std::max (hmax, static_cast<int> (b(3)));
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	755 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	756 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	757 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	758
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	759 void
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	760 opengl_renderer::setup_opengl_transformation (const axes::properties& props)
7825 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 // setup OpenGL transformation
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	763
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	764 Matrix x_zlim = props.get_transform_zlim ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	765
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	766 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	767 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	768
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	769 Matrix x_mat1 = props.get_opengl_matrix_1 ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	770 Matrix x_mat2 = props.get_opengl_matrix_2 ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	771
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	772 #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	773 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	774 #else
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	775 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	776 #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	777
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	778 glGetIntegerv (GL_VIEWPORT, vw);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	779
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	780 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	781 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	782 glScaled(1, 1, -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	783 glMultMatrixd (x_mat1.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	784 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	785 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	786 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	787 glMultMatrixd (x_mat2.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	788 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	789
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	790 glClear (GL_DEPTH_BUFFER_BIT);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	791
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	792 // store axes transformation data
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 xform = props.get_transform ();
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	795 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	796
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	797 void
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	798 opengl_renderer::draw_axes_planes (bool visible, const Matrix& axe_color,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	799 const Matrix& xlim, const Matrix& ylim,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	800 const Matrix& zlim, double x_plane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	801 double y_plane, double z_plane)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	802 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	803 // Axes planes
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	804
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	805 if (axe_color.numel () > 0 && visible)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	806 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	807 set_color (axe_color);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	808 set_polygon_offset (true, 2.5);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	809
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	810 glBegin (GL_QUADS);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	811
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	812 double x_min = xlim(0);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	813 double x_max = xlim(1);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	814
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	815 double y_min = ylim(0);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	816 double y_max = ylim(1);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	817
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	818 double z_min = zlim(0);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	819 double z_max = zlim(1);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	820
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	821 // X plane
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	822 glVertex3d (x_plane, y_min, z_min);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	823 glVertex3d (x_plane, y_max, z_min);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	824 glVertex3d (x_plane, y_max, z_max);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	825 glVertex3d (x_plane, y_min, z_max);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	826
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	827 // Y plane
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	828 glVertex3d (x_min, y_plane, z_min);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	829 glVertex3d (x_max, y_plane, z_min);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	830 glVertex3d (x_max, y_plane, z_max);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	831 glVertex3d (x_min, y_plane, z_max);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	832
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	833 // Z plane
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	834 glVertex3d (x_min, y_min, z_plane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	835 glVertex3d (x_max, y_min, z_plane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	836 glVertex3d (x_max, y_max, z_plane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	837 glVertex3d (x_min, y_max, z_plane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	838
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	839 glEnd ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	840
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	841 set_polygon_offset (false);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	842 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	843 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	844
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	845 void
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	846 opengl_renderer::draw_axes_boxes (const axes::properties& props,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	847 bool visible, bool box, bool xySym,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	848 double xPlane, double yPlane, double zPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	849 double xPlaneN, double yPlaneN, double zPlaneN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	850 double xpTick, double ypTick, double zpTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	851 double xpTickN, double ypTickN, double zpTickN)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	852 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	853 // Axes box
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	854
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	855 set_linestyle ("-", true);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	856 set_linewidth (props.get_linewidth ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	857
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	858 if (visible)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	859 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	860 glBegin (GL_LINES);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	861
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	862 // X box
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	863 set_color (props.get_xcolor_rgb ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	864 glVertex3d (xPlaneN, ypTick, zpTick);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	865 glVertex3d (xPlane, ypTick, zpTick);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	866
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	867 if (box)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	868 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	869 glVertex3d (xPlaneN, ypTickN, zpTick);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	870 glVertex3d (xPlane, ypTickN, zpTick);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	871 glVertex3d (xPlaneN, ypTickN, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	872 glVertex3d (xPlane, ypTickN, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	873 glVertex3d (xPlaneN, ypTick, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	874 glVertex3d (xPlane, ypTick, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	875 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	876
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	877 // Y box
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	878 set_color (props.get_ycolor_rgb ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	879 glVertex3d (xpTick, yPlaneN, zpTick);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	880 glVertex3d (xpTick, yPlane, zpTick);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	881
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	882 if (box)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	883 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	884 glVertex3d (xpTickN, yPlaneN, zpTick);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	885 glVertex3d (xpTickN, yPlane, zpTick);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	886 glVertex3d (xpTickN, yPlaneN, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	887 glVertex3d (xpTickN, yPlane, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	888 glVertex3d (xpTick, yPlaneN, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	889 glVertex3d (xpTick, yPlane, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	890 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	891
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	892 // Z box
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	893 set_color (props.get_zcolor_rgb ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	894
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	895 if (xySym)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	896 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	897 glVertex3d (xPlaneN, yPlane, zPlaneN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	898 glVertex3d (xPlaneN, yPlane, zPlane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	899 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	900 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	901 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	902 glVertex3d (xPlane, yPlaneN, zPlaneN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	903 glVertex3d (xPlane, yPlaneN, zPlane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	904 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	905
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	906 if (box)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	907 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	908 glVertex3d (xPlane, yPlane, zPlaneN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	909 glVertex3d (xPlane, yPlane, zPlane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	910
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	911 if (xySym)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	912 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	913 glVertex3d (xPlane, yPlaneN, zPlaneN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	914 glVertex3d (xPlane, yPlaneN, zPlane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	915 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	916 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	917 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	918 glVertex3d (xPlaneN, yPlane, zPlaneN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	919 glVertex3d (xPlaneN, yPlane, zPlane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	920 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	921
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	922 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	923 glVertex3d (xPlaneN, yPlaneN, zPlane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	924 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	925
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	926 glEnd ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	927 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	928 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	929
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	930 void
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	931 opengl_renderer::draw_axes_x_grid (const axes::properties& props,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	932 bool visible, bool box,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	933 const std::string& gridstyle,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	934 const std::string& minorgridstyle,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	935 bool nearhoriz, double tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	936 bool xyzSym, bool layer2Dtop,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	937 bool x2Dtop, int xstate,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	938 double x_min, double x_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	939 double xticklen, double xtickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	940 double fy, double yPlane, double yPlaneN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	941 double ypTick, double ypTickN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	942 double fz, int zstate, double zPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	943 double zPlaneN, double zpTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	944 double zpTickN)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	945 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	946 // X grid
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	947
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	948 if (visible && xstate != AXE_DEPTH_DIR)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	949 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	950 bool do_xgrid = (props.is_xgrid () && (gridstyle != "none"));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	951 bool do_xminorgrid = (props.is_xminorgrid () && (minorgridstyle != "none"));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	952 bool do_xminortick = props.is_xminortick ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	953 Matrix xticks = xform.xscale (props.get_xtick ().matrix_value ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	954 Matrix xmticks = xform.xscale (props.get_xmtick ().matrix_value ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	955 string_vector xticklabels = props.get_xticklabel ().all_strings ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	956 int wmax = 0, hmax = 0;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	957 bool tick_along_z = nearhoriz \|\| xisinf (fy);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	958
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	959 set_color (props.get_xcolor_rgb ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	960
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	961 // grid lines
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	962 if (do_xgrid)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	963 render_grid (gridstyle, xticks, x_min, x_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	964 yPlane, yPlaneN, layer2Dtop ? zPlaneN : zPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	965 zPlaneN, 0, (zstate != AXE_DEPTH_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	966
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	967 // tick marks
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	968 if (tick_along_z)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	969 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	970 render_tickmarks (xticks, x_min, x_max, ypTick, ypTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	971 zpTick, zpTickN, 0., 0.,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	972 signum(zpTick-zpTickN)fzxticklen*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	973 0, (box && xstate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	974 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	975 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	976 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	977 render_tickmarks (xticks, x_min, x_max, ypTick, ypTickN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	978 zpTick, zpTick, 0.,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	979 signum(ypTick-ypTickN)fyxticklen*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	980 0., 0, (box && xstate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	981 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	982
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	983 // tick texts
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	984 if (xticklabels.numel () > 0)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	985 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	986 int halign = (xstate == AXE_HORZ_DIR ? 1 : (xyzSym ? 0 : 2));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	987 int valign = (xstate == AXE_VERT_DIR ? 1 : (x2Dtop ? 0 : 2));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	988
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	989 if (tick_along_z)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	990 render_ticktexts (xticks, xticklabels, x_min, x_max, ypTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	991 zpTick+signum(zpTick-zpTickN)fzxtickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	992 0, halign, valign, wmax, hmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	993 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	994 render_ticktexts (xticks, xticklabels, x_min, x_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	995 ypTick+signum(ypTick-ypTickN)fyxtickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	996 zpTick, 0, halign, valign, wmax, hmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	997 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	998
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	999 // minor grid lines
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1000 if (do_xminorgrid)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1001 render_grid (minorgridstyle, xmticks, x_min, x_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1002 yPlane, yPlaneN, layer2Dtop ? zPlaneN : zPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1003 zPlaneN, 0, (zstate != AXE_DEPTH_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1004
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1005 // minor tick marks
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1006 if (do_xminortick)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1007 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1008 if (tick_along_z)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1009 render_tickmarks (xmticks, x_min, x_max, ypTick, ypTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1010 zpTick, zpTickN, 0., 0.,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1011 signum(zpTick-zpTickN)fzxticklen/2*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1012 0, (box && xstate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1013 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1014 render_tickmarks (xmticks, x_min, x_max, ypTick, ypTickN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1015 zpTick, zpTick, 0.,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1016 signum(ypTick-ypTickN)fyxticklen/2*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1017 0., 0, (box && xstate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1018 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1019
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1020 text::properties& xlabel_props =
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1021 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_xlabel ()).get_properties ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1022
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1023 xlabel_props.set_visible ("on");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1024
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1025 if (! xlabel_props.get_string ().empty ())
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1026 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1027 if (xlabel_props.horizontalalignmentmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1028 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1029 xlabel_props.set_horizontalalignment
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1030 (xstate > AXE_DEPTH_DIR
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1031 ? "center" : (xyzSym ? "left" : "right"));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1032
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1033 xlabel_props.set_horizontalalignmentmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1034 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1035
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1036 if (xlabel_props.verticalalignmentmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1037 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1038 xlabel_props.set_verticalalignment
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1039 (xstate == AXE_VERT_DIR \|\| x2Dtop ? "bottom" : "top");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1040
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1041 xlabel_props.set_verticalalignmentmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1042 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1043
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1044 if (xlabel_props.positionmode_is ("auto")
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1045 \|\| xlabel_props.rotationmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1046 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1047 double angle = 0;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1048 ColumnVector p
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1049 = graphics_xform::xform_vector ((x_min+x_max)/2,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1050 ypTick, zpTick);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1051
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1052 if (tick_along_z)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1053 p(2) += (signum(zpTick-zpTickN)fzxtickoffset);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1054 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1055 p(1) += (signum(ypTick-ypTickN)fyxtickoffset);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1056
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1057 p = xform.transform (p(0), p(1), p(2), false);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1058
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1059 switch (xstate)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1060 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1061 case AXE_ANY_DIR:
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1062 p(0) += (xyzSym ? wmax : -wmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1063 p(1) += hmax;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1064 break;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1065
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1066 case AXE_VERT_DIR:
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1067 p(0) -= wmax;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1068 angle = 90;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1069 break;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1070
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1071 case AXE_HORZ_DIR:
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1072 p(1) += (x2Dtop ? -hmax : hmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1073 break;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1074 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1075
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1076 if (xlabel_props.positionmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1077 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1078 p = xform.untransform (p(0), p(1), p(2), true);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1079 xlabel_props.set_position (p.extract_n (0, 3).transpose ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1080 xlabel_props.set_positionmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1081 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1082
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1083 if (xlabel_props.rotationmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1084 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1085 xlabel_props.set_rotation (angle);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1086 xlabel_props.set_rotationmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1087 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1088 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1089 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1090 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1091 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1092 gh_manager::get_object (props.get_xlabel ()).set ("visible", "off");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1093 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1094
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1095 void
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1096 opengl_renderer::draw_axes_y_grid (const axes::properties& props,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1097 bool visible, bool box,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1098 const std::string& gridstyle,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1099 const std::string& minorgridstyle,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1100 bool nearhoriz, double tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1101 bool xyzSym, bool layer2Dtop,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1102 bool y2Dright, int ystate,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1103 double y_min, double y_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1104 double yticklen, double ytickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1105 double fx, double xPlane, double xPlaneN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1106 double xpTick, double xpTickN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1107 double fz, int zstate, double zPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1108 double zPlaneN, double zpTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1109 double zpTickN)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1110 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1111 // Y grid
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1112
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1113 if (ystate != AXE_DEPTH_DIR && visible)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1114 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1115 bool do_ygrid = (props.is_ygrid () && (gridstyle != "none"));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1116 bool do_yminorgrid = (props.is_yminorgrid () && (minorgridstyle != "none"));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1117 bool do_yminortick = props.is_yminortick ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1118 Matrix yticks = xform.yscale (props.get_ytick ().matrix_value ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1119 Matrix ymticks = xform.yscale (props.get_ymtick ().matrix_value ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1120 string_vector yticklabels = props.get_yticklabel ().all_strings ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1121 int wmax = 0, hmax = 0;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1122 bool tick_along_z = nearhoriz \|\| xisinf (fx);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1123
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1124 set_color (props.get_ycolor_rgb ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1125
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1126 // grid lines
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1127 if (do_ygrid)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1128 render_grid (gridstyle, yticks, y_min, y_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1129 xPlane, xPlaneN, layer2Dtop ? zPlaneN : zPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1130 zPlaneN, 1, (zstate != AXE_DEPTH_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1131
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1132 // tick marks
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1133 if (tick_along_z)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1134 render_tickmarks (yticks, y_min, y_max, xpTick, xpTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1135 zpTick, zpTickN, 0., 0.,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1136 signum(zpTick-zpTickN)fzyticklen*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1137 1, (box && ystate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1138 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1139 render_tickmarks (yticks, y_min, y_max, xpTick, xpTickN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1140 zpTick, zpTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1141 signum(xPlaneN-xPlane)fxyticklen*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1142 0., 0., 1, (box && ystate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1143
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1144 // tick texts
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1145 if (yticklabels.numel () > 0)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1146 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1147 int halign = (ystate == AXE_HORZ_DIR
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1148 ? 1 : (!xyzSym \|\| y2Dright ? 0 : 2));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1149 int valign = (ystate == AXE_VERT_DIR ? 1 : 2);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1150
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1151 if (tick_along_z)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1152 render_ticktexts (yticks, yticklabels, y_min, y_max, xpTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1153 zpTick+signum(zpTick-zpTickN)fzytickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1154 1, halign, valign, wmax, hmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1155 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1156 render_ticktexts (yticks, yticklabels, y_min, y_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1157 xpTick+signum(xpTick-xpTickN)fxytickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1158 zpTick, 1, halign, valign, wmax, hmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1159 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1160
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1161 // minor grid lines
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1162 if (do_yminorgrid)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1163 render_grid (minorgridstyle, ymticks, y_min, y_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1164 xPlane, xPlaneN, layer2Dtop ? zPlaneN : zPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1165 zPlaneN, 1, (zstate != AXE_DEPTH_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1166
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1167 // minor tick marks
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1168 if (do_yminortick)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1169 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1170 if (tick_along_z)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1171 render_tickmarks (ymticks, y_min, y_max, xpTick, xpTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1172 zpTick, zpTickN, 0., 0.,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1173 signum(zpTick-zpTickN)fzyticklen/2*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1174 1, (box && ystate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1175 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1176 render_tickmarks (ymticks, y_min, y_max, xpTick, xpTickN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1177 zpTick, zpTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1178 signum(xpTick-xpTickN)fxyticklen/2*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1179 0., 0., 1, (box && ystate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1180 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1181
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1182 text::properties& ylabel_props =
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1183 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_ylabel ()).get_properties ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1184
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1185 ylabel_props.set_visible ("on");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1186
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1187 if (! ylabel_props.get_string ().empty ())
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1188 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1189 if (ylabel_props.horizontalalignmentmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1190 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1191 ylabel_props.set_horizontalalignment
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1192 (ystate > AXE_DEPTH_DIR
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1193 ? "center" : (!xyzSym ? "left" : "right"));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1194
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1195 ylabel_props.set_horizontalalignmentmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1196 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1197
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1198 if (ylabel_props.verticalalignmentmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1199 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1200 ylabel_props.set_verticalalignment
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1201 (ystate == AXE_VERT_DIR && !y2Dright ? "bottom" : "top");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1202
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1203 ylabel_props.set_verticalalignmentmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1204 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1205
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1206 if (ylabel_props.positionmode_is ("auto")
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1207 \|\| ylabel_props.rotationmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1208 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1209 double angle = 0;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1210 ColumnVector p = graphics_xform::xform_vector (xpTick, (y_min+y_max)/2, zpTick);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1211
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1212 if (tick_along_z)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1213 p(2) += (signum(zpTick-zpTickN)fzytickoffset);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1214 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1215 p(0) += (signum(xpTick-xpTickN)fxytickoffset);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1216
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1217 p = xform.transform (p(0), p(1), p(2), false);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1218
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1219 switch (ystate)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1220 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1221 case AXE_ANY_DIR:
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1222 p(0) += (!xyzSym ? wmax : -wmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1223 p(1) += hmax;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1224 break;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1225
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1226 case AXE_VERT_DIR:
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1227 p(0) += (y2Dright ? wmax : -wmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1228 angle = 90;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1229 break;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1230
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1231 case AXE_HORZ_DIR:
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1232 p(1) += hmax;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1233 break;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1234 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1235
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1236 if (ylabel_props.positionmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1237 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1238 p = xform.untransform (p(0), p(1), p(2), true);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1239 ylabel_props.set_position (p.extract_n (0, 3).transpose ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1240 ylabel_props.set_positionmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1241 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1242
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1243 if (ylabel_props.rotationmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1244 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1245 ylabel_props.set_rotation (angle);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1246 ylabel_props.set_rotationmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1247 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1248 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1249 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1250 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1251 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1252 gh_manager::get_object (props.get_ylabel ()).set ("visible", "off");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1253 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1254
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1255 void
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1256 opengl_renderer::draw_axes_z_grid (const axes::properties& props,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1257 bool visible, bool box,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1258 const std::string& gridstyle,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1259 const std::string& minorgridstyle,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1260 double tickdir, bool xySym, bool zSign,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1261 int zstate, double z_min, double z_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1262 double zticklen, double ztickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1263 double fx, double xPlane, double xPlaneN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1264 double fy, double yPlane, double yPlaneN)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1265 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1266 // Z Grid
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1267
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1268 if (zstate != AXE_DEPTH_DIR && visible)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1269 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1270 bool do_zgrid = (props.is_zgrid () && (gridstyle != "none"));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1271 bool do_zminorgrid = (props.is_zminorgrid () && (minorgridstyle != "none"));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1272 bool do_zminortick = props.is_zminortick ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1273 Matrix zticks = xform.zscale (props.get_ztick ().matrix_value ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1274 Matrix zmticks = xform.zscale (props.get_zmtick ().matrix_value ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1275 string_vector zticklabels = props.get_zticklabel ().all_strings ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1276 int wmax = 0, hmax = 0;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1277
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1278 set_color (props.get_zcolor_rgb ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1279
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1280 // grid lines
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1281 if (do_zgrid)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1282 render_grid (gridstyle, zticks, z_min, z_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1283 xPlane, xPlaneN, yPlane, yPlaneN, 2, true);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1284
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1285 // tick marks
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1286 if (xySym)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1287 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1288 if (xisinf (fy))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1289 render_tickmarks (zticks, z_min, z_max, xPlaneN, xPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1290 yPlane, yPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1291 signum(xPlaneN-xPlane)fxzticklen*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1292 0., 0., 2, (box && zstate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1293 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1294 render_tickmarks (zticks, z_min, z_max, xPlaneN, xPlaneN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1295 yPlane, yPlane, 0.,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1296 signum(yPlane-yPlaneN)fyzticklen*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1297 0., 2, false);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1298 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1299 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1300 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1301 if (xisinf (fx))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1302 render_tickmarks (zticks, z_min, z_max, xPlaneN, xPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1303 yPlaneN, yPlane, 0.,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1304 signum(yPlaneN-yPlane)fyzticklen*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1305 0., 2, (box && zstate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1306 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1307 render_tickmarks (zticks, z_min, z_max, xPlane, xPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1308 yPlaneN, yPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1309 signum(xPlane-xPlaneN)fxzticklen*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1310 0., 0., 2, false);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1311 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1312
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1313 // FIXME: tick texts
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1314 if (zticklabels.numel () > 0)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1315 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1316 int halign = 2;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1317 int valign = (zstate == AXE_VERT_DIR ? 1 : (zSign ? 3 : 2));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1318
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1319 if (xySym)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1320 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1321 if (xisinf (fy))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1322 render_ticktexts (zticks, zticklabels, z_min, z_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1323 xPlaneN+signum(xPlaneN-xPlane)fxztickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1324 yPlane, 2, halign, valign, wmax, hmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1325 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1326 render_ticktexts (zticks, zticklabels, z_min, z_max, xPlaneN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1327 yPlane+signum(yPlane-yPlaneN)fyztickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1328 2, halign, valign, wmax, hmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1329 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1330 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1331 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1332 if (xisinf (fx))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1333 render_ticktexts (zticks, zticklabels, z_min, z_max, xPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1334 yPlaneN+signum(yPlaneN-yPlane)fyztickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1335 2, halign, valign, wmax, hmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1336 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1337 render_ticktexts (zticks, zticklabels, z_min, z_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1338 xPlane+signum(xPlane-xPlaneN)fxztickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1339 yPlaneN, 2, halign, valign, wmax, hmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1340 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1341 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1342
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1343 // minor grid lines
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1344 if (do_zminorgrid)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1345 render_grid (minorgridstyle, zmticks, z_min, z_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1346 xPlane, xPlaneN, yPlane, yPlaneN, 2, true);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1347
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1348 // minor tick marks
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1349 if (do_zminortick)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1350 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1351 if (xySym)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1352 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1353 if (xisinf (fy))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1354 render_tickmarks (zmticks, z_min, z_max, xPlaneN, xPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1355 yPlane, yPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1356 signum(xPlaneN-xPlane)fxzticklen/2*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1357 0., 0., 2, (box && zstate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1358 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1359 render_tickmarks (zmticks, z_min, z_max, xPlaneN, xPlaneN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1360 yPlane, yPlane, 0.,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1361 signum(yPlane-yPlaneN)fyzticklen/2*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1362 0., 2, false);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1363 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1364 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1365 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1366 if (xisinf (fx))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1367 render_tickmarks (zmticks, z_min, z_max, xPlane, xPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1368 yPlaneN, yPlane, 0.,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1369 signum(yPlaneN-yPlane)fyzticklen/2*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1370 0., 2, (box && zstate != AXE_ANY_DIR));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1371 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1372 render_tickmarks (zmticks, z_min, z_max, xPlane, xPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1373 yPlaneN, yPlaneN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1374 signum(xPlane-xPlaneN)fxzticklen/2*tickdir,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1375 0., 0., 2, false);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1376 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1377 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1378
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1379 text::properties& zlabel_props =
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1380 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_zlabel ()).get_properties ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1381
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1382 zlabel_props.set_visible ("on");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1383
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1384 if (! zlabel_props.get_string ().empty ())
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1385 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1386 bool camAuto = props.cameraupvectormode_is ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1387
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1388 if (zlabel_props.horizontalalignmentmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1389 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1390 zlabel_props.set_horizontalalignment
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1391 ((zstate > AXE_DEPTH_DIR \|\| camAuto) ? "center" : "right");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1392
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1393 zlabel_props.set_horizontalalignmentmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1394 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1395
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1396 if (zlabel_props.verticalalignmentmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1397 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1398 zlabel_props.set_verticalalignment
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1399 (zstate == AXE_VERT_DIR
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1400 ? "bottom" : ((zSign \|\| camAuto) ? "bottom" : "top"));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1401
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1402 zlabel_props.set_verticalalignmentmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1403 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1404
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1405 if (zlabel_props.positionmode_is ("auto")
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1406 \|\| zlabel_props.rotationmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1407 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1408 double angle = 0;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1409 ColumnVector p;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1410
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1411 if (xySym)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1412 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1413 p = graphics_xform::xform_vector (xPlaneN, yPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1414 (z_min+z_max)/2);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1415 if (xisinf (fy))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1416 p(0) += (signum(xPlaneN-xPlane)fxztickoffset);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1417 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1418 p(1) += (signum(yPlane-yPlaneN)fyztickoffset);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1419 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1420 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1421 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1422 p = graphics_xform::xform_vector (xPlane, yPlaneN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1423 (z_min+z_max)/2);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1424 if (xisinf (fx))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1425 p(1) += (signum(yPlaneN-yPlane)fyztickoffset);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1426 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1427 p(0) += (signum(xPlane-xPlaneN)fxztickoffset);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1428 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1429
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1430 p = xform.transform (p(0), p(1), p(2), false);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1431
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1432 switch (zstate)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1433 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1434 case AXE_ANY_DIR:
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1435 if (camAuto)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1436 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1437 p(0) -= wmax;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1438 angle = 90;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1439 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1440
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1441 // FIXME -- what's the correct offset?
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1442 //
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1443 // p[0] += (!xySym ? wmax : -wmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1444 // p[1] += (zSign ? hmax : -hmax);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1445
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1446 break;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1447
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1448 case AXE_VERT_DIR:
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1449 p(0) -= wmax;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1450 angle = 90;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1451 break;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1452
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1453 case AXE_HORZ_DIR:
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1454 p(1) += hmax;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1455 break;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1456 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1457
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1458 if (zlabel_props.positionmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1459 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1460 p = xform.untransform (p(0), p(1), p(2), true);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1461 zlabel_props.set_position (p.extract_n (0, 3).transpose ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1462 zlabel_props.set_positionmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1463 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1464
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1465 if (zlabel_props.rotationmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1466 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1467 zlabel_props.set_rotation (angle);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1468 zlabel_props.set_rotationmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1469 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1470 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1471 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1472 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1473 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1474 gh_manager::get_object (props.get_zlabel ()).set ("visible", "off");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1475 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1476
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1477 void
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1478 opengl_renderer::draw_axes_title (const axes::properties& props,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1479 double x_min, double x_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1480 double y_min, double y_max,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1481 double z_min, double z_max)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1482 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1483 // Title
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1484
11484 cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1485 ColumnVector bbox(4);
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1486 bbox(0) = octave_Inf;
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1487 bbox(1) = octave_Inf;
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1488 bbox(2) = -octave_Inf;
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1489 bbox(3) = -octave_Inf;
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1490 for (int i = 0; i <= 1; i++)
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1491 for (int j = 0; j <= 1; j++)
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1492 for (int k = 0; k <= 1; k++)
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1493 {
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1494 ColumnVector p = xform.transform (i ? x_max : x_min,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1495 j ? y_max : y_min,
11484 cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1496 k ? z_max : z_min, false);
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1497 bbox(0) = std::min (bbox(0), p(0));
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1498 bbox(1) = std::min (bbox(1), p(1));
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1499 bbox(2) = std::max (bbox(2), p(0));
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1500 bbox(3) = std::max (bbox(3), p(1));
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1501 }
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1502
11484 cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1503 bbox(2) = bbox(2)-bbox(0);
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1504 bbox(3) = bbox(3)-bbox(1);
cda6044447a0 Improve positioning of titles. Konstantinos Poulios <logari81@googlemail.com> parents: 11463 diff changeset	1505
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1506 Matrix x_zlim = props.get_transform_zlim ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1507
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1508 text::properties& title_props =
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1509 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_title ()).get_properties ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1510
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1511 if (! title_props.get_string ().empty ()
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1512 && title_props.positionmode_is ("auto"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1513 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1514 ColumnVector p = xform.untransform (bbox(0)+bbox(2)/2, (bbox(1)-10),
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1515 (x_zlim(0)+x_zlim(1))/2, true);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1516
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1517 title_props.set_position (p.extract_n(0, 3).transpose ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1518 title_props.set_positionmode ("auto");
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1519 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1520
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1521 set_clipbox (x_min, x_max, y_min, y_max, z_min, z_max);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1522 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1523
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1524 void
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1525 opengl_renderer::draw_axes_children (const axes::properties& props)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1526 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1527 // Children
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1528
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1529 GLboolean antialias;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1530 glGetBooleanv (GL_LINE_SMOOTH, &antialias);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1531
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1532 if (antialias == GL_TRUE)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1533 glEnable (GL_LINE_SMOOTH);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1534 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1535 glDisable (GL_LINE_SMOOTH);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1536
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1537 Matrix children = props.get_all_children ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1538 std::list<graphics_object> obj_list;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1539 std::list<graphics_object>::iterator it;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1540
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1541 // 1st pass: draw light objects
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1542
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1543 // Start with the last element of the array of child objects to
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1544 // display them in the oder they were added to the array.
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1545
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1546 for (octave_idx_type i = children.numel () - 1; i >= 0; i--)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1547 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1548 graphics_object go = gh_manager::get_object (children (i));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1549
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1550 if (go.get_properties ().is_visible ())
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1551 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1552 if (go.isa ("light"))
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1553 draw (go);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1554 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1555 obj_list.push_back (go);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1556 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1557 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1558
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1559 // 2nd pass: draw other objects (with units set to "data")
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1560
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1561 it = obj_list.begin ();
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1562 while (it != obj_list.end ())
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1563 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1564 graphics_object go = (*it);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1565
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1566 // FIXME: check whether object has "units" property and it is set
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1567 // to "data"
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1568 if (! go.isa ("text") \|\| go.get ("units").string_value () == "data")
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1569 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1570 set_clipping (go.get_properties ().is_clipping ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1571 draw (go);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1572
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1573 it = obj_list.erase (it);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1574 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1575 else
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1576 it++;
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1577 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1578
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1579 // 3rd pass: draw remaining objects
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1580
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1581 glDisable (GL_DEPTH_TEST);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1582
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1583 for (it = obj_list.begin (); it != obj_list.end (); it++)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1584 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1585 graphics_object go = (*it);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1586
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1587 set_clipping (go.get_properties ().is_clipping ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1588 draw (go);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1589 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1590
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1591 glEnable (GL_DEPTH_TEST);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1592
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1593 set_clipping (false);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1594
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1595 // FIXME: finalize rendering (transparency processing)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1596 // FIXME: draw zoom box, if needed
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1597 }
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1598
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1599 void
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1600 opengl_renderer::draw_axes (const axes::properties& props)
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1601 {
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1602 setup_opengl_transformation (props);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1603
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1604 // draw axes object
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1605
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1606 const Matrix xlim = xform.xscale (props.get_xlim ().matrix_value ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1607 const Matrix ylim = xform.yscale (props.get_ylim ().matrix_value ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1608 const Matrix zlim = xform.zscale (props.get_zlim ().matrix_value ());
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1609
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1610 double x_min = xlim(0), x_max = xlim(1);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1611 double y_min = ylim(0), y_max = ylim(1);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1612 double z_min = zlim(0), z_max = zlim(1);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1613
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1614 double xd = (props.xdir_is ("normal") ? 1 : -1);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1615 double yd = (props.ydir_is ("normal") ? 1 : -1);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1616 double zd = (props.zdir_is ("normal") ? 1 : -1);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1617
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1618 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	1619 int xstate, ystate, zstate;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1620
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1621 xstate = ystate = zstate = AXE_ANY_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1622
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1623 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	1624 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	1625 xv(0) = xround (p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1626 xv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1627 xv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1628 if (xv(0) == 0 && xv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1629 xstate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1630 else if (xv(2) == 0)
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 if (xv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1633 xstate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1634 else if (xv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1635 xstate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1636 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1637 double xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1638 if (xv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1639 if (xv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1640 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	1641 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1642 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	1643 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1644 xPlane = (xv(2) < 0 ? x_min : x_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1645 double xPlaneN = (xPlane == x_min ? x_max : x_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1646 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	1647
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1648 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	1649 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	1650 yv(0) = xround (p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1651 yv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1652 yv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1653 if (yv(0) == 0 && yv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1654 ystate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1655 else if (yv(2) == 0)
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 if (yv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1658 ystate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1659 else if (yv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1660 ystate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1661 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1662 double yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1663 if (yv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1664 if (yv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1665 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	1666 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1667 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	1668 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1669 yPlane = (yv(2) < 0 ? y_min : y_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1670 double yPlaneN = (yPlane == y_min ? y_max : y_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1671 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	1672
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1673 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	1674 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	1675 zv(0) = xround(p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1676 zv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1677 zv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1678 if (zv(0) == 0 && zv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1679 zstate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1680 else if (zv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1681 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1682 if (zv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1683 zstate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1684 else if (zv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1685 zstate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1686 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1687 double zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1688 if (zv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1689 if (zv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1690 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	1691 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1692 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	1693 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1694 zPlane = (zv(2) < 0 ? z_min : z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1695 double zPlaneN = (zPlane == z_min ? z_max : z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	1696 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	1697
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1698 bool mode2d = (((xstate > AXE_DEPTH_DIR ? 1 : 0) +
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1699 (ystate > AXE_DEPTH_DIR ? 1 : 0) +
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1700 (zstate > AXE_DEPTH_DIR ? 1 : 0)) == 2);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1701 if (props.tickdirmode_is ("auto"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1702 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1703 // FIXME: tickdir should be updated (code below comes
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1704 // from JHandles)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1705 //autoMode++;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1706 //TickDir.set(mode2d ? "in" : "out", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1707 //autoMode--;
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 // FIXME: use ticklength property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1711 double xticklen = 7, yticklen = 7, zticklen = 7;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1712
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1713 //double tickdir = (props.tickdir_is ("in") ? -1 : 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1714 double tickdir = (props.tickdirmode_is ("auto") ?
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1715 (mode2d ? -1 : 1) :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1716 (props.tickdir_is ("in") ? -1 : 1));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1717 double xtickoffset = (mode2d && tickdir < 0 ? 0 : xticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1718 double ytickoffset = (mode2d && tickdir < 0 ? 0 : yticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1719 double ztickoffset = (mode2d && tickdir < 0 ? 0 : zticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1720
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1721 bool xySym = (xdyd(xPlane-xPlaneN)*(yPlane-yPlaneN) > 0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1722 bool x2Dtop = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1723 bool y2Dright = false;
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1724 bool layer2Dtop = false;
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1725 bool zSign = (zd*(zPlane-zPlaneN) <= 0);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1726 bool xyzSym = zSign ? xySym : !xySym;
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1727 double xpTick = (zSign ? xPlaneN : xPlane);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1728 double ypTick = (zSign ? yPlaneN : yPlane);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1729 double zpTick = (zSign ? zPlane : zPlaneN);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1730 double xpTickN = (zSign ? xPlane : xPlaneN);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1731 double ypTickN = (zSign ? yPlane : yPlaneN);
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1732 double zpTickN = (zSign ? zPlaneN : zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1733
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1734 /* 2D mode */
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1735 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	1736 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1737 if (props.xaxislocation_is ("top"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1738 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1739 double tmp = yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1740 yPlane = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1741 yPlaneN = tmp;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1742 x2Dtop = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1743 }
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1744 ypTick = yPlaneN;
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1745 ypTickN = yPlane;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1746 if (props.yaxislocation_is ("right"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1747 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1748 double tmp = xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1749 xPlane = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1750 xPlaneN = tmp;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1751 y2Dright = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1752 }
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1753 xpTick = xPlaneN;
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1754 xpTickN = xPlane;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1755 if (props.layer_is ("top"))
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1756 {
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1757 zpTick = zPlaneN;
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1758 layer2Dtop = true;
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1759 }
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1760 else
85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1761 zpTick = zPlane;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1762 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1763
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1764 Matrix view = props.get_view ().matrix_value ();
12174 db1f49eaba6b whitespace fixes John W. Eaton <jwe@octave.org> parents: 12164 diff changeset	1765 bool nearhoriz = std::abs(view(1)) <= 5;
12126 85f9a5b211fd restructuring draw_axes, enabling minor ticks/grid in fltk, closing bug 31800 Konstantinos Poulios <logari81@googlemail.com> parents: 12125 diff changeset	1766
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1767 Matrix axe_color = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1768 bool visible = props.is_visible ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1769 bool box = props.is_box ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1770
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1771 draw_axes_planes (visible, axe_color, xlim, ylim, zlim,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1772 xPlane, yPlane, zPlane);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1773
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1774 draw_axes_boxes (props, visible, box, xySym, xPlane, yPlane, zPlane,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1775 xPlaneN, yPlaneN, zPlaneN, xpTick, ypTick, zpTick,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1776 xpTickN, ypTickN, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1777
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 std::string gridstyle = props.get_gridlinestyle ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1780 std::string minorgridstyle = props.get_minorgridlinestyle ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1781
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1782 set_font (props);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	1783
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1784 draw_axes_x_grid (props, visible, box, gridstyle, minorgridstyle,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1785 nearhoriz, tickdir, xyzSym, layer2Dtop, x2Dtop,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1786 xstate, xlim(0), xlim(1), xticklen, xtickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1787 fy, yPlane, yPlaneN, ypTick, ypTickN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1788 fz, zstate, zPlane, zPlaneN, zpTick, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1789
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1790 draw_axes_y_grid (props, visible, box, gridstyle, minorgridstyle,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1791 nearhoriz, tickdir, xyzSym, layer2Dtop, y2Dright,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1792 ystate, ylim(0), ylim(1), yticklen, ytickoffset,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1793 fx, xPlane, xPlaneN, xpTick, xpTickN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1794 fz, zstate, zPlane, zPlaneN, zpTick, zpTickN);
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1795
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1796 draw_axes_z_grid (props, visible, box, gridstyle, minorgridstyle,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1797 tickdir, xySym, zSign, zstate, zlim(0), zlim(1),
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1798 zticklen, ztickoffset, fx, xPlane, xPlaneN,
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1799 fy, yPlane, yPlaneN);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1800
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1801 set_linestyle ("-");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1802
12321 6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1803 draw_axes_title (props, xlim(0), xlim(1), ylim(0), ylim(1),
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1804 zlim(0), zlim(1));
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1805
6ba28900706b opengl_renderer::draw_axes: simplify with subfunctions John W. Eaton <jwe@octave.org> parents: 12174 diff changeset	1806 draw_axes_children (props);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1807 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1808
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1809 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	1810 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	1811 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1812 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	1813 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	1814 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	1815
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1816 bool has_z = (z.numel () > 0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1817 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	1818 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	1819
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1820 std::vector<octave_uint8> clip (n);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1821
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1822 if (has_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1823 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1824 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	1825 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1826 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1827 double z_mid = (zmin+zmax)/2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1828
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1829 for (int i = 0; i < n; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1830 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	1831 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1832
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1833 if (! props.linestyle_is ("none"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1834 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1835 set_color (props.get_color_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1836 set_linestyle (props.get_linestyle (), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1837 set_linewidth (props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1838
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1839 if (has_z)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1840 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1841 bool flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1842
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1843 for (int i = 1; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1844 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1845 if ((clip[i-1] & clip[i]) == clip_ok)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1846 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1847 if (! flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1848 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1849 flag = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1850 glBegin (GL_LINE_STRIP);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1851 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	1852 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1853 glVertex3d (x(i), y(i), z(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1854 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1855 else if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1856 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1857 flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1858 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1859 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1860 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1861
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1862 if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1863 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1864 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1865 else
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 bool flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1868
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1869 for (int i = 1; i < n; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1870 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1871 if ((clip[i-1] & clip[i]) == clip_ok)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1872 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1873 if (! flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1874 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1875 flag = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1876 glBegin (GL_LINE_STRIP);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1877 glVertex2d (x(i-1), y(i-1));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1878 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1879 glVertex2d (x(i), y(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1880 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1881 else if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1882 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1883 flag = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1884 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1885 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1886 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1887
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1888 if (flag)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1889 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1890 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	1891
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1892 set_linewidth (0.5);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1893 set_linestyle ("-");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1894 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1895
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1896 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1897
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1898 if (! props.marker_is ("none") &&
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1899 ! (props.markeredgecolor_is ("none")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1900 && props.markerfacecolor_is ("none")))
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1901 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1902 Matrix lc, fc;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1903
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1904 if (props.markeredgecolor_is ("auto"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1905 lc = props.get_color_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1906 else if (! props.markeredgecolor_is ("none"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1907 lc = props.get_markeredgecolor_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1908
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1909 if (props.markerfacecolor_is ("auto"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1910 fc = props.get_color_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1911 else if (! props.markerfacecolor_is ("none"))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1912 fc = props.get_markerfacecolor_rgb ();
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1913
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1914 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	1915 props.get_linewidth ());
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1916
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1917 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1918 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1919 if (clip[i] == clip_ok)
11266 be710ed252ff gl-render.cc (opengl_renderer::draw_line): layer markers in 2D plots Daisuke TAKAGO <takago@neptune.kanazawa-it.ac.jp> parents: 11209 diff changeset	1920 draw_marker (x(i), y(i),
be710ed252ff gl-render.cc (opengl_renderer::draw_line): layer markers in 2D plots Daisuke TAKAGO <takago@neptune.kanazawa-it.ac.jp> parents: 11209 diff changeset	1921 has_z ? z(i) : static_cast<double> (i) / n,
be710ed252ff gl-render.cc (opengl_renderer::draw_line): layer markers in 2D plots Daisuke TAKAGO <takago@neptune.kanazawa-it.ac.jp> parents: 11209 diff changeset	1922 lc, fc);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1923 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1924
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1925 end_marker ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1926 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	1927
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1928 set_clipping (props.is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1929 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1930
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1931 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	1932 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	1933 {
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	1934 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	1935 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	1936 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	1937
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1938 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	1939
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1940 NDArray c;
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	1941 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	1942
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1943 // FIXME: handle transparency
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1944 Matrix a;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1945
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1946 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	1947 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	1948
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1949 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	1950 (props.facecolor_is ("flat") ? 1 :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1951 (props.facecolor_is ("interp") ? 2 :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1952 (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	1953 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	1954 (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	1955 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	1956 (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	1957 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	1958 (props.edgecolor_is ("flat") ? 1 :
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1959 (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	1960 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	1961 (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	1962 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	1963 (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	1964
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1965 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	1966 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	1967
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1968 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	1969 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	1970 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	1971 float se = props.get_specularexponent ();
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1972 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	1973 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	1974
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1975 opengl_texture tex;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1976
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1977 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	1978 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	1979 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	1980
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1981 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	1982
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1983 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	1984
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1985 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	1986 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1987 if (x_mat)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1988 i1 = i;
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1989
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1990 for (int j = 0; j < zc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1991 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1992 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1993 j1 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1994
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	1995 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	1996 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1997 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1998
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1999 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	2000 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	2001
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2002 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	2003 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2004 // FIXME: implement alphadata conversion
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2005 //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	2006 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2007
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2008 if (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	2009 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2010 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	2011
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2012 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	2013 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	2014 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2015
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	2016 // 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	2017 // 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	2018 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	2019 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	2020
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2021 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	2022 {
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2023 if (props.get_facealpha_double () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2024 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2025 if (fc_mode == 0 \|\| fc_mode == 3)
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 glColor3dv (fcolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2028 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2029 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2030 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2031 cb[i] = as * fcolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2032 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
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 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2035 cb[i] = ds * fcolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2036 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2037 }
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2040 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2041 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2042 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	2043 set_polygon_offset (true, 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2044 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2045 glEnable (GL_TEXTURE_2D);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2046
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2047 for (int i = 1; i < zc; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2048 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2049 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2050 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2051 i1 = i-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2052 i2 = i;
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2055 for (int j = 1; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2056 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2057 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	2058 \|\| clip (j-1, i) \|\| clip (j, i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2059 continue;
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 if (x_mat)
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 j1 = j-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2064 j2 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2065 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2066
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2067 glBegin (GL_QUADS);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2068
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2069 // Vertex 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2070 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2071 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	2072 else if (fc_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2073 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2074 // 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	2075 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2076 cb[k] = c(j-1, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2077 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2078
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2079 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2080 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2081 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2082 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2083 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2084
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2085 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2086 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	2087 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
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 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2090 if (fl_mode > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2091 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2092 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	2093 + 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	2094 + 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	2095 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	2096 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2097 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	2098
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2099 // Vertex 2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2100 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2101 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	2102 else if (fc_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2103 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2104 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2105 cb[k] = c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2106 glColor3fv (cb);
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 (fl_mode > 0)
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 k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2111 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2112 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2113
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2114 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2115 cb[k] = ds * c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2116 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
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 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2119
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2120 if (fl_mode == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2121 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2122 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	2123 + 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	2124 + 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	2125 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	2126 }
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 glVertex3d (x(j1,i), y(j-1,i2), z(j-1,i));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2129
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2130 // Vertex 3
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2131 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2132 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	2133 else if (fc_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2134 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2135 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2136 cb[k] = c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2137 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2138
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2139 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2140 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2141 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2142 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2143 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2144
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2145 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2146 cb[k] = ds * c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2147 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
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 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2150 if (fl_mode == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2151 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2152 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	2153 + n(j,i,1) * n(j,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2154 + n(j,i,2) * n(j,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2155 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	2156 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2157 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	2158
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2159 // Vertex 4
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2160 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2161 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	2162 else if (fc_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2163 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2164 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2165 cb[k] = c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2166 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2167
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2168 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2169 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2170 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2171 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2172 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2173
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2174 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2175 cb[k] = ds * c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2176 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2177 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2178 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2179 if (fl_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2180 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2181 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	2182 + 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	2183 + 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	2184 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	2185 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2186 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	2187
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2188 glEnd ();
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 }
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 set_polygon_offset (false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2193 if (fc_mode == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2194 glDisable (GL_TEXTURE_2D);
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 (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2197 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2198 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2199 else
10315 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 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2202 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2203 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2204
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2205 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	2206 {
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2207 if (props.get_edgealpha_double () == 1)
10315 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 if (ec_mode == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2210 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2211 glColor3dv (ecolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2212 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2213 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2214 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2215 cb[i] = as * ecolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2216 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
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 i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2219 cb[i] = ds * ecolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2220 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, 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 }
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 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2225 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2226 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	2227
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2228 set_linestyle (props.get_linestyle (), false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2229 set_linewidth (props.get_linewidth ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2230
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2231 // Mesh along Y-axis
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 (props.meshstyle_is ("both") \|\| props.meshstyle_is ("column"))
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 for (int i = 0; i < zc; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2236 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2237 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2238 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2239 i1 = i-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2240 i2 = i;
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2243 for (int j = 1; j < zr; j++)
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 if (clip(j-1,i) \|\| clip(j,i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2246 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2247
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2248 if (x_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2249 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2250 j1 = j-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2251 j2 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2252 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2253
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2254 glBegin (GL_LINES);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2255
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2256 // Vertex 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2257 if (ec_mode > 0)
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 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2260 cb[k] = c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2261 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2262
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2263 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2264 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2265 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2266 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2267 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
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 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2270 cb[k] = ds * c(j-1, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2271 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
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 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2275 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2276 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	2277 + 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	2278 + 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	2279 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	2280 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2281 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	2282
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2283 // Vertex 2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2284 if (ec_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2285 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2286 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2287 cb[k] = c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2288 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2289
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2290 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2291 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2292 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2293 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2294 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2295
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2296 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2297 cb[k] = ds * c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2298 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2299 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2300 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2301 if (el_mode == 2)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2302 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2303 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	2304 + n(j,i,1) * n(j,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2305 + n(j,i,2) * n(j,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2306 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	2307 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2308 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	2309
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2310 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2311 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2312 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2313 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2314
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2315 // Mesh along X-axis
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2316
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2317 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	2318 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2319 for (int j = 0; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2320 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2321 if (x_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2322 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2323 j1 = j-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2324 j2 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2325 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2326
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2327 for (int i = 1; i < zc; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2328 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2329 if (clip(j,i-1) \|\| clip(j,i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2330 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2331
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2332 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2333 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2334 i1 = i-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2335 i2 = i;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2336 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2337
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2338 glBegin (GL_LINES);
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 // Vertex 1
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2341 if (ec_mode > 0)
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 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2344 cb[k] = c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2345 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2346
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2347 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2348 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2349 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2350 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2351 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2352
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2353 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2354 cb[k] = ds * c(j, i-1, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2355 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2356 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2357 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2358 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2359 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2360 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	2361 + 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	2362 + 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	2363 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	2364 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2365 glVertex3d (x(j2,i-1), y(j,i1), z(j,i-1));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2366
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2367 // Vertex 2
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2368 if (ec_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2369 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2370 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2371 cb[k] = c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2372 glColor3fv (cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2373
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2374 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2375 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2376 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2377 cb[k] *= as;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2378 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2379
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2380 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2381 cb[k] = ds * c(j, i, k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2382 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2383 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2384 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2385 if (el_mode == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2386 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2387 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	2388 + n(j,i,1) * n(j,i,1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2389 + n(j,i,2) * n(j,i,2));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2390 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	2391 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2392 glVertex3d (x(j2,i), y(j,i2), z(j,i));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2393
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2394 glEnd ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2395 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2396 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2397 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2398
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2399 set_linestyle ("-");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2400 set_linewidth (0.5);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2401
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2402 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2403 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2404 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2405 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2406 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2407 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2408 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2409 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2410
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2411 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	2412 ! (props.markeredgecolor_is ("none")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2413 && 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	2414 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2415 // 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	2416 // 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	2417 // 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	2418
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2419 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	2420 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	2421
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2422 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	2423 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	2424 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	2425
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2426 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	2427 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2428 mecolor = props.get_edgecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2429 do_edge = ! props.edgecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2430 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2431
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2432 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	2433 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2434 mfcolor = props.get_facecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2435 do_face = ! props.facecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2436 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2437
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2438 if ((mecolor.numel () == 0 \|\| mfcolor.numel () == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2439 && c.numel () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2440 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	2441
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2442 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	2443 props.get_linewidth ());
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2444
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2445 for (int i = 0; i < zc; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2446 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2447 if (y_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2448 i1 = i;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2449
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2450 for (int j = 0; j < zr; j++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2451 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2452 if (clip(j,i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2453 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2454
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2455 if (x_mat)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2456 j1 = j;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2457
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2458 if ((do_edge && mecolor.numel () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2459 \|\| (do_face && mfcolor.numel () == 0))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2460 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2461 for (int k = 0; k < 3; k++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2462 cc(k) = c(j,i,k);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2463 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2464
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2465 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	2466 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	2467
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2468 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	2469 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2470 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2471
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2472 end_marker ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2473 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2474 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2475
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	2476 // 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	2477 // 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	2478 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2479 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	2480 {
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2481 const Matrix f = props.get_faces ().matrix_value ();
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2482 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	2483 Matrix c;
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2484 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	2485 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	2486
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2487 int nv = v.rows ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2488 // int vmax = v.columns ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2489 int nf = f.rows ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2490 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	2491
8ff92634982d Add initial 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 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	2493 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	2494 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	2495
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2496 int fc_mode = ((props.facecolor_is("none")
11168 36442102c340 Fix treatment of facevertexcdata if facecolor is 'none' with the fltk backend David Bateman <dbateman@free.fr> parents: 11166 diff changeset	2497 \|\| props.facecolor_is_rgb ()) ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2498 (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	2499 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	2500 (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	2501 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	2502 (props.facealpha_is ("flat") ? 1 : 2));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2503 int ec_mode = ((props.edgecolor_is("none")
11168 36442102c340 Fix treatment of facevertexcdata if facecolor is 'none' with the fltk backend David Bateman <dbateman@free.fr> parents: 11166 diff changeset	2504 \|\| props.edgecolor_is_rgb ()) ? 0 :
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2505 (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	2506 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	2507 (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	2508 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	2509 (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	2510
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2511 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	2512 Matrix ecolor = props.get_edgecolor_rgb ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2513
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	2514 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	2515 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	2516 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	2517 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	2518
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2519 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	2520
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2521 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	2522 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	2523 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	2524 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	2525 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	2526 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	2527
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2528 boolMatrix clip_f (1, nf, false);
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	2529 Array<int> count_f (dim_vector (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	2530
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2531 for (int i = 0; i < 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	2532 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2533 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	2534 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	2535
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2536 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	2537 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	2538
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2539 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	2540 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	2541 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2542
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2543 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	2544 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2545 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	2546
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2547 if (c.rows () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2548 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2549 // Single color specifications, we can simplify a little bit
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2550
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2551 if (fc_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2552 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2553 fcolor = c;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2554 fc_mode = 0;
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
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2557 if (ec_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2558 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2559 ecolor = c;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2560 ec_mode = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2561 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2562
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2563 c = Matrix ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2564 }
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	2565 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2566 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	2567 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2568
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2569 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	2570 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2571 // 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	2572 //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	2573 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	2574 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2575
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7914 diff changeset	2576 octave_idx_type fr = f.rows ();
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2577 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	2578
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2579 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	2580 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	2581 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2582 int idx = int (f(i,j) - 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2583
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2584 Matrix vv (1, 3, 0.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2585 Matrix cc;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2586 Matrix nn(1, 3, 0.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2587 double aa = 1.0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2588
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2589 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	2590 if (has_z)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2591 vv(2) = v(idx,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2592 // FIXME: uncomment when patch object has normal computation
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2593 //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	2594 if (c.numel () > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2595 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2596 cc.resize (1, 3);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2597 if (has_facecolor)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2598 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	2599 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2600 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	2601 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2602 if (a.numel () > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2603 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2604 if (has_facealpha)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2605 aa = a(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2606 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2607 aa = a(idx);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2608 }
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 vdata[i+j*fr] =
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2611 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	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 (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	2615 {
8ff92634982d Add initial 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 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	2617
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2618 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	2619 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	2620 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2621
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2622 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	2623 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2624 // 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	2625 if (props.get_facealpha_double () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2626 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2627 if (fc_mode == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2628 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2629 glColor3dv (fcolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2630 if (fl_mode > 0)
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 float cb[4] = { 0, 0, 0, 1 };
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2633
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2634 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2635 cb[i] = (as * fcolor(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2636 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2637
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2638 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2639 cb[i] = ds * fcolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2640 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
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 }
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 (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2645 glEnable (GL_LIGHTING);
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 // FIXME: use __index__ property from patch object
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2648 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	2649
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2650 for (int i = 0; i < nf; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2651 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2652 if (clip_f(i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2653 continue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2654
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2655 tess.begin_polygon (true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2656 tess.begin_contour ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2657
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2658 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	2659 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2660 vertex_data::vertex_data_rep vv = vdata[i+jfr].get_rep ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2661
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2662 tess.add_vertex (vv->coords.fortran_vec (), vv);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2663 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2664
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2665 tess.end_contour ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2666 tess.end_polygon ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2667 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2668
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2669 if (fl_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2670 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2671 }
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	2672 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2673 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2674 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2675 }
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	2676 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2677
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2678 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	2679 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2680 // 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	2681 if (props.get_edgealpha_double () == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2682 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2683 if (ec_mode == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2684 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2685 glColor3dv (ecolor.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2686 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2687 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2688 float cb[4] = { 0, 0, 0, 1 };
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2689
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2690 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2691 cb[i] = (as * ecolor(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2692 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2693
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2694 for (int i = 0; i < 3; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2695 cb[i] = ds * ecolor(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2696 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2697 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2698 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2699
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2700 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2701 glEnable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2702
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2703 set_linestyle (props.get_linestyle (), false);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2704 set_linewidth (props.get_linewidth ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2705
11175 c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2706
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2707 // 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	2708 // offset patch contour as well?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2709 patch_tesselator tess (this, ec_mode, el_mode);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2710
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2711 for (int i = 0; i < nf; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2712 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2713 if (clip_f(i))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2714 {
11175 c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2715 // This is an unclosed contour. Draw it as a line
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2716 bool flag = false;
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2717
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2718 for (int j = 0; j < count_f(i); j++)
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2719 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2720 if (! clip(int (f(i,j) - 1)))
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2721 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2722 vertex_data::vertex_data_rep vv = vdata[i+jfr].get_rep ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2723 const Matrix m = vv->coords;
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2724 if (! flag)
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2725 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2726 flag = true;
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2727 glBegin (GL_LINE_STRIP);
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2728 }
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2729 glVertex3d (m(0), m(1), m(2));
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2730 }
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2731 else if (flag)
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2732 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2733 flag = false;
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2734 glEnd ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2735 }
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2736 }
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2737
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2738 if (flag)
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2739 glEnd ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2740 }
11175 c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2741 else
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2742 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2743 tess.begin_polygon (false);
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2744 tess.begin_contour ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2745
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2746 for (int j = 0; j < count_f(i); j++)
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2747 {
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2748 vertex_data::vertex_data_rep vv = vdata[i+jfr].get_rep ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2749 tess.add_vertex (vv->coords.fortran_vec (), vv);
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2750 }
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2751
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2752 tess.end_contour ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2753 tess.end_polygon ();
c0a95a5c6d25 Address the speed of plotting large hggroup groups and in particular David Bateman <dbateman@free.fr> parents: 11168 diff changeset	2754 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2755 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2756
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2757 set_linestyle ("-");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2758 set_linewidth (0.5);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2759
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2760 if (el_mode > 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2761 glDisable (GL_LIGHTING);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2762 }
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	2763 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2764 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2765 // FIXME: implement transparency
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2766 }
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	2767 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2768
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2769 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	2770 ! (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	2771 {
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2772 bool do_edge = ! props.markeredgecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2773 bool do_face = ! props.markerfacecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2774
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2775 Matrix mecolor = props.get_markeredgecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2776 Matrix mfcolor = props.get_markerfacecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2777 Matrix cc (1, 3, 0.0);
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2778
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2779 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	2780 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2781 mecolor = props.get_edgecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2782 do_edge = ! props.edgecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2783 }
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2784
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2785 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	2786 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2787 mfcolor = props.get_facecolor_rgb ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2788 do_face = ! props.facecolor_is ("none");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2789 }
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2790
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2791 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	2792 props.get_linewidth ());
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2793
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2794 for (int i = 0; i < nf; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2795 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	2796 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2797 int idx = int (f(i,j) - 1);
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 if (clip(idx))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2800 continue;
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 Matrix lc = (do_edge ? (mecolor.numel () == 0 ?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2803 vdata[i+j*fr].get_rep ()->color : mecolor)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2804 : Matrix ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2805 Matrix fc = (do_face ? (mfcolor.numel () == 0 ?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2806 vdata[i+j*fr].get_rep ()->color : mfcolor)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2807 : Matrix ());
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 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	2810 }
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2811
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2812 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	2813 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2814 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2815
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2816 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2817 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	2818 {
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2819 draw (props.get_children ());
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2820 }
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2821
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2822 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2823 opengl_renderer::draw_text (const text::properties& props)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2824 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2825 if (props.get_string ().empty ())
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2826 return;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2827
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2828 set_font (props);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2829 set_color (props.get_color_rgb ());
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2830
10402 9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	2831 const Matrix pos = xform.scale (props.get_data_position ());
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2832 const Matrix bbox = props.get_extent_matrix ();
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2833
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2834 // FIXME: handle margin and surrounding box
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2835 bool blend = glIsEnabled (GL_BLEND);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2836
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2837 glEnable (GL_BLEND);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2838 glEnable (GL_ALPHA_TEST);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2839 glRasterPos3d (pos(0), pos(1), pos(2));
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2840 glBitmap(0, 0, 0, 0, bbox(0), bbox(1), 0);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2841 glDrawPixels (bbox(2), bbox(3),
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2842 GL_RGBA, GL_UNSIGNED_BYTE, props.get_pixels ().data ());
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2843 glDisable (GL_ALPHA_TEST);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2844 if (! blend)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2845 glDisable (GL_BLEND);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	2846
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2847 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2848
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	2849 void
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	2850 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	2851 {
9884 fed4aad2cdca handle indexed images in opengl renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	2852 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	2853 dim_vector dv (cdata.dims ());
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2854 int h = dv(0), w = dv(1);
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2855 bool ok = true;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2856
11093 d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2857 Matrix x = props.get_xdata ().matrix_value ();
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2858 Matrix y = props.get_ydata ().matrix_value ();
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2859
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2860 if (w > 1 && x(1) == x(0))
11093 d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2861 x(1) = x(1) + (w-1);
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2862
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2863 if (h > 1 && y(1) == y(0))
11093 d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2864 y(1) = y(1) + (h-1);
d748acc75658 gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab. Ben Abbott <bpabbott@mac.com> parents: 11026 diff changeset	2865
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	2866 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	2867 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	2868
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2869 // image pixel size in screen pixel units
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2870 float pix_dx, pix_dy;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2871 // image pixel size in normalized units
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2872 float nor_dx, nor_dy;
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2873
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2874 if (w > 1)
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2875 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2876 pix_dx = (p1(0) - p0(0))/(w-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2877 nor_dx = (x(1) - x(0))/(w-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2878 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2879 else
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2880 {
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2881 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	2882 pix_dx = p1w(0) - p0(0);
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2883 nor_dx = 1;
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2884 }
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2885
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2886 if (h > 1)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2887 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2888 pix_dy = (p1(1) - p0(1))/(h-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2889 nor_dy = (y(1) - y(0))/(h-1);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2890 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2891 else
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2892 {
10076 4b270d1540f7 avoid various GCC warnings John W. Eaton <jwe@octave.org> parents: 9950 diff changeset	2893 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	2894 pix_dy = p1h(1) - p0(1);
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2895 nor_dy = 1;
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2896 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	2897
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2898
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2899 // 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	2900 // 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	2901 // ourselfes - only draw part of the image
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2902
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2903 int j0 = 0, j1 = w;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2904 int i0 = 0, i1 = h;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2905
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2906 float im_xmin = x(0) - nor_dx/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2907 float im_xmax = x(1) + nor_dx/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2908 float im_ymin = y(0) - nor_dy/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2909 float im_ymax = y(1) + nor_dy/2;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2910 if (props.is_clipping ()) // clip to axes
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2911 {
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2912 if (im_xmin < xmin)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2913 j0 += (xmin - im_xmin)/nor_dx + 1;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2914 if (im_xmax > xmax)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2915 j1 -= (im_xmax - xmax)/nor_dx ;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2916
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2917 if (im_ymin < ymin)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2918 i0 += (ymin - im_ymin)/nor_dy + 1;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2919 if (im_ymax > ymax)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2920 i1 -= (im_ymax - ymax)/nor_dy;
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2921 }
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2922 else // clip to viewport
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2923 {
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2924 GLfloat vp[4];
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2925 glGetFloatv(GL_VIEWPORT, vp);
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2926 // FIXME -- actually add the code to do it!
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2927
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2928 }
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2929
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	2930 if (i0 >= i1 \|\| j0 >= j1)
9687 86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2931 return;
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2932
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2933 glPixelZoom (pix_dx, -pix_dy);
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2934 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	2935
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2936 // by default this is 4
86aa08bbc887 image clipping and axes fixes Shai Ayal <shaiay@users.sourceforge.net> parents: 9682 diff changeset	2937 glPixelStorei (GL_UNPACK_ALIGNMENT,1);
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2938
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2939 // Expect RGB data
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2940 if (dv.length () == 3 && dv(2) == 3)
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2941 {
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2942 if (cdata.is_double_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2943 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2944 const NDArray xcdata = cdata.array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2945
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2946 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	2947
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2948 for (int i = i0; i < i1; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2949 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2950 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	2951 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2952 a[idx] = xcdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2953 a[idx+1] = xcdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2954 a[idx+2] = xcdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2955 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2956 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2957
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2958 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	2959
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2960 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2961 else if (cdata.is_uint16_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2962 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2963 const uint16NDArray xcdata = cdata.uint16_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2964
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2965 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	2966
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2967 for (int i = i0; i < i1; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2968 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2969 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	2970 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2971 a[idx] = xcdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2972 a[idx+1] = xcdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2973 a[idx+2] = xcdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2974 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2975 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2976
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2977 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	2978
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2979 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2980 else if (cdata.is_uint8_type ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2981 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2982 const uint8NDArray xcdata = cdata.uint8_array_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2983
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2984 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	2985
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2986 for (int i = i0; i < i1; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2987 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2988 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	2989 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2990 a[idx] = xcdata(i,j,0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2991 a[idx+1] = xcdata(i,j,1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2992 a[idx+2] = xcdata(i,j,2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2993 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2994 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2995
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2996 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	2997 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	2998 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	2999 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3000 ok = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3001 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	3002 }
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3003 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	3004 else
9680 73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3005 {
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3006 ok = false;
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3007 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	3008 }
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3009 glPixelZoom (1, 1);
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3010 }
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3011
73153525df9a initial implementation of OpenGL image rendering Shai Ayal <shaiay@users.sourceforge.net> parents: 9616 diff changeset	3012 void
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3013 opengl_renderer::set_viewport (int w, int h)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3014 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3015 glViewport (0, 0, w, h);
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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3018 void
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3019 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	3020 GLenum type, const GLvoid *data)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3021 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3022 glDrawPixels (width, height, format, type, data);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3023 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3024
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9884 diff changeset	3025 void
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3026 opengl_renderer::set_color (const Matrix& c)
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 (c.data ());
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3029 #if HAVE_FREETYPE
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3030 text_renderer.set_color (c);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3031 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3032 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3033
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3034 void
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3035 opengl_renderer::set_font (const base_properties& props)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3036 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3037 #if HAVE_FREETYPE
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3038 text_renderer.set_font (props.get ("fontname").string_value (),
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3039 props.get ("fontweight").string_value (),
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3040 props.get ("fontangle").string_value (),
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3041 props.get ("fontsize").double_value ());
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3042 #endif
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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3045 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3046 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	3047 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3048 if (on)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3049 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3050 glPolygonOffset (offset, offset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3051 glEnable (GL_POLYGON_OFFSET_FILL);
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3052 glEnable (GL_POLYGON_OFFSET_LINE);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3053 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3054 else
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3055 {
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3056 glDisable (GL_POLYGON_OFFSET_FILL);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3057 glDisable (GL_POLYGON_OFFSET_LINE);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3058 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3059 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3060
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3061 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3062 opengl_renderer::set_linewidth (float w)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3063 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3064 glLineWidth (w);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3065 }
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 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3068 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	3069 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3070 bool solid = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3071
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3072 if (s == "-")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3073 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3074 glLineStipple (1, static_cast<unsigned short> (0xFFFF));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3075 solid = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3076 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3077 else if (s == ":")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3078 glLineStipple (1, static_cast<unsigned short> (0x8888));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3079 else if (s == "--")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3080 glLineStipple (1, static_cast<unsigned short> (0x0FFF));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3081 else if (s == "-.")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3082 glLineStipple (1, static_cast<unsigned short> (0x020F));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3083 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3084 glLineStipple (1, static_cast<unsigned short> (0x0000));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3085
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3086 if (solid && ! use_stipple)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3087 glDisable (GL_LINE_STIPPLE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3088 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3089 glEnable (GL_LINE_STIPPLE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3090 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3091
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3092 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3093 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	3094 double z1, double z2)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3095 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3096 double dx = (x2-x1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3097 double dy = (y2-y1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3098 double dz = (z2-z1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3099
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3100 x1 -= 0.001dx; x2 += 0.001dx;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3101 y1 -= 0.001dy; y2 += 0.001dy;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3102 z1 -= 0.001dz; z2 += 0.001dz;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3103
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3104 ColumnVector p (4, 0.0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3105
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3106 p(0) = -1; p(3) = x2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3107 glClipPlane (GL_CLIP_PLANE0, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3108 p(0) = 1; p(3) = -x1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3109 glClipPlane (GL_CLIP_PLANE1, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3110 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	3111 glClipPlane (GL_CLIP_PLANE2, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3112 p(1) = 1; p(3) = -y1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3113 glClipPlane (GL_CLIP_PLANE3, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3114 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	3115 glClipPlane (GL_CLIP_PLANE4, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3116 p(2) = 1; p(3) = -z1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3117 glClipPlane (GL_CLIP_PLANE5, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3118
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3119 xmin = x1; xmax = x2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3120 ymin = y1; ymax = y2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3121 zmin = z1; zmax = z2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3122 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3123
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3124 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3125 opengl_renderer::set_clipping (bool enable)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3126 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3127 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	3128
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3129 if (enable != has_clipping)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3130 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3131 if (enable)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3132 for (int i = 0; i < 6; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3133 glEnable (GL_CLIP_PLANE0+i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3134 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3135 for (int i = 0; i < 6; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3136 glDisable (GL_CLIP_PLANE0+i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3137 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3138 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3139
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3140 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3141 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	3142 {
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	3143 #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	3144 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	3145 #else
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3146 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	3147 #endif
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3148
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3149 glGetIntegerv (GL_VIEWPORT, vw);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3150
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3151 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3152 glPushMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3153 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3154 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	3155 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3156 glPushMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3157
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3158 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3159 set_linewidth (width);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3160
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3161 marker_id = make_marker_list (m, size, false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3162 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	3163 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3164
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3165 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3166 opengl_renderer::end_marker (void)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3167 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3168 glDeleteLists (marker_id, 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3169 glDeleteLists (filled_marker_id, 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3170
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3171 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3172 glPopMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3173 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3174 glPopMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3175 set_linewidth (0.5f);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3176 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3177
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3178 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3179 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	3180 const Matrix& lc, const Matrix& fc)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3181 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3182 ColumnVector tmp = xform.transform (x, y, z, false);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	3183
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3184 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3185 glTranslated (tmp(0), tmp(1), -tmp(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3186
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3187 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	3188 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3189 glColor3dv (fc.data ());
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3190 set_polygon_offset (true, -1.0);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3191 glCallList (filled_marker_id);
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3192 if (lc.numel () > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3193 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3194 glColor3dv (lc.data ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3195 glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3196 glEdgeFlag (GL_TRUE);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3197 set_polygon_offset (true, -2.0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3198 glCallList (filled_marker_id);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3199 glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3200 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3201 set_polygon_offset (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3202 }
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3203 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	3204 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3205 glColor3dv (lc.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3206 glCallList (marker_id);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3207 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3208 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3209
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3210 unsigned int
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3211 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	3212 bool filled) const
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3213 {
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3214 char c = marker[0];
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3215
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3216 if (filled && (c == '+' \|\| c == 'x' \|\| c == '*' \|\| c == '.'))
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3217 return 0;
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	3218
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3219 unsigned int ID = glGenLists (1);
11576 8ac9687dbe9f rename backend to graphics_toolkit John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	3220 double sz = size * toolkit.get_screen_resolution () / 72.0;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3221
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3222 // constants for the * marker
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3223 const double sqrt2d4 = 0.35355339059327;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3224 double tt = sz*sqrt2d4;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3225
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3226 glNewList (ID, GL_COMPILE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3227
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3228 switch (marker[0])
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3229 {
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3230 case '+':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3231 glBegin (GL_LINES);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3232 glVertex2f (-sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3233 glVertex2f (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3234 glVertex2f (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3235 glVertex2f (0, sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3236 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3237 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3238 case 'x':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3239 glBegin(GL_LINES);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3240 glVertex2f (-sz/2, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3241 glVertex2f (sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3242 glVertex2f (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3243 glVertex2f (sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3244 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3245 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3246 case '*':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3247 glBegin (GL_LINES);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3248 glVertex2f (-sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3249 glVertex2f (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3250 glVertex2f (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3251 glVertex2f (0, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3252 glVertex2f (-tt, -tt);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3253 glVertex2f (+tt, +tt);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3254 glVertex2f (-tt, +tt);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3255 glVertex2f (+tt, -tt);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3256 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3257 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3258 case '.':
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3259 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3260 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	3261
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3262 glBegin (GL_POLYGON);
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3263 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	3264 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	3265 glEnd ();
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3266 }
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3267 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3268 case 's':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3269 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3270 glVertex2d (-sz/2, -sz/2);
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3271 glVertex2d (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3272 glVertex2d (sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3273 glVertex2d (sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3274 glEnd();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3275 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3276 case 'o':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3277 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3278 double ang_step = M_PI / 5;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3279
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3280 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3281 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	3282 glVertex2d (szcos(ang)/2, szsin(ang)/2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3283 glEnd ();
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3284 }
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3285 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3286 case 'd':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3287 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3288 glVertex2d (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3289 glVertex2d (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3290 glVertex2d (0, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3291 glVertex2d (-sz/2, 0);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3292 glEnd();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3293 break;
10835 4bbd6f75f173 gl-render.cc: Transpose markers '^' and 'v'. Ben Abbott <bpabbott@mac.com> parents: 10402 diff changeset	3294 case 'v':
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3295 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3296 glVertex2f (0, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3297 glVertex2f (sz/2, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3298 glVertex2f (-sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3299 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3300 break;
10835 4bbd6f75f173 gl-render.cc: Transpose markers '^' and 'v'. Ben Abbott <bpabbott@mac.com> parents: 10402 diff changeset	3301 case '^':
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3302 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3303 glVertex2f (0, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3304 glVertex2f (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3305 glVertex2f (sz/2, sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3306 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3307 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3308 case '>':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3309 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3310 glVertex2f (sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3311 glVertex2f (-sz/2, sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3312 glVertex2f (-sz/2, -sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3313 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3314 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3315 case '<':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3316 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
9681 40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3317 glVertex2f (-sz/2, 0);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3318 glVertex2f (sz/2, -sz/2);
40775386ab58 gl-render.cc: style fixes John W. Eaton <jwe@octave.org> parents: 9680 diff changeset	3319 glVertex2f (sz/2, sz/2);
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3320 glEnd ();
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	3321 break;
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3322 case 'p':
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3323 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3324 double ang;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3325 double r;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3326 double dr = 1.0 - sin(M_PI/10)/sin(3M_PI/10)1.02;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	3327
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3328 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	3329 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	3330 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3331 ang = (-0.5 + double(i+1)/5) * M_PI;
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 11186 diff changeset	3332 r = 1.0 - (dr * fmod(double(i+1), 2.0));
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3333 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	3334 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3335 glEnd ();
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3336 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3337 break;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3338 case 'h':
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3339 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3340 double ang;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3341 double r;
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3342 double dr = 1.0 - 0.5/sin(M_PI/3)*1.02;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11585 diff changeset	3343
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3344 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	3345 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	3346 {
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3347 ang = (0.5 + double(i+1)/6.0) * M_PI;
11209 94d9d412a2a0 improve Matlab compatibility of rem and mod John W. Eaton <jwe@octave.org> parents: 11186 diff changeset	3348 r = 1.0 - (dr * fmod(double(i+1), 2.0));
10924 f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3349 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	3350 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3351 glEnd ();
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3352 }
f56255a2b890 gl-render.cc: Matlab compatible markers for the OpenGL. Ben Abbott <bpabbott@mac.com> parents: 10835 diff changeset	3353 break;
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3354 default:
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3355 warning ("opengl_renderer: unsupported marker `%s'",
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3356 marker.c_str ());
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	3357 break;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3358 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3359
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3360 glEndList ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3361
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3362 return ID;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3363 }
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	3364
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3365 void
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3366 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	3367 uint8NDArray& pixels,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3368 Matrix& bbox,
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3369 int halign, int valign, double rotation)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3370 {
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3371 text_renderer.text_to_pixels (txt, pixels, bbox,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3372 halign, valign, rotation);
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3373 }
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3374
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3375 Matrix
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3376 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	3377 double x, double y, double z,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3378 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	3379 {
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3380 #if HAVE_FREETYPE
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3381 if (txt.empty ())
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	3382 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	3383
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3384 uint8NDArray pixels;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3385 Matrix bbox;
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3386 text_to_pixels (txt, pixels, bbox, halign, valign, rotation);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3387
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3388 bool blend = glIsEnabled (GL_BLEND);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3389
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3390 glEnable (GL_BLEND);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3391 glEnable (GL_ALPHA_TEST);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3392 glRasterPos3d (x, y, z);
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3393 glBitmap(0, 0, 0, 0, bbox(0), bbox(1), 0);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 11385 diff changeset	3394 glDrawPixels (bbox(2), bbox(3),
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10202 diff changeset	3395 GL_RGBA, GL_UNSIGNED_BYTE, pixels.data ());
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3396 glDisable (GL_ALPHA_TEST);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3397 if (! blend)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3398 glDisable (GL_BLEND);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3399
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3400 return bbox;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3401 #else
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: 9687 diff changeset	3402 ::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	3403 return Matrix (1, 4, 0.0);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3404 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3405 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: 8920 diff changeset	3406
7954 3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	3407 #endif

Mercurial > octave

annotate src/gl-render.cc @ 12321:6ba28900706b