octave: src/gl-render.cc annotate

annotate src/gl-render.cc @ 8674:0d263850d582

Fix calculation of diffuse reflectance. Calculate surface normals here now.

author	Kai Habel
date	Wed, 04 Feb 2009 17:14:14 -0500
parents	25bc2d31e1bf
children	a50228129dba

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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3 Copyright (C) 2008 Michael Goffioul
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
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	29 #include <lo-mappers.h>
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 8263 diff changeset	30 #include "oct-locbuf.h"
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	31 #include "gl-render.h"
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	32
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	33 #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	34
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	35 // 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	36 // 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	37 // 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	38 #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	39 #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	40 #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	41
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	42 enum {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	43 AXE_ANY_DIR = 0,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	44 AXE_DEPTH_DIR = 1,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	45 AXE_HORZ_DIR = 2,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	46 AXE_VERT_DIR = 3
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	47 };
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	48
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	49 static octave_idx_type
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	50 xmin (octave_idx_type x, octave_idx_type y)
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	51 {
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	52 return x < y ? x : y;
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	53 }
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	54
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	55 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	56 opengl_texture
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	57 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	58 protected:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	59 class texture_rep
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	60 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	61 public:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	62 texture_rep (void) : valid (false), count (1) { }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	63
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	64 texture_rep (GLuint _id, int _w, int _h, int _tw, int _th)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	65 : id (_id), w (_w), h (_h), tw (_tw), th (_th),
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	66 tx (double(w)/tw), ty (double(h)/th), valid (true),
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	67 count (1) { }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	68
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	69 ~texture_rep (void)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	70 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	71 if (valid)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	72 glDeleteTextures (1, &id);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	73 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	74
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	75 void bind (int mode) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	76 { if (valid) glBindTexture (mode, id); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	77
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	78 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	79 { if (valid) glTexCoord2d (qtx, rty); }
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 GLuint id;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	82 int w, h;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	83 int tw, th;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	84 double tx, ty;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	85 bool valid;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	86 int count;
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
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	89 texture_rep *rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	90
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	91 private:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	92 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	93
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	94 public:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	95 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	96
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	97 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	98 : rep (tx.rep)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	99 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	100 rep->count++;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	101 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	102
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	103 ~opengl_texture (void)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	104 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	105 if (--rep->count == 0)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	106 delete rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	107 }
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 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	110 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	111 if (--rep->count == 0)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	112 delete rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	113
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	114 rep = tx.rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	115 rep->count++;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	116
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	117 return *this;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	118 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	119
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	120 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	121
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	122 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	123 { rep->bind (mode); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	124
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	125 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	126 { rep->tex_coord (q, r); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	127
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	128 bool is_valid (void) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	129 { return rep->valid; }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	130 };
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 static int
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	133 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	134 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	135 int m = 1;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	136
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	137 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	138 m <<= 1;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	139
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	140 return m;
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
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	143 opengl_texture
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	144 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	145 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	146 opengl_texture retval;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	147
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	148 dim_vector dv (data.dims ());
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 // Expect RGB data
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	151 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	152 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	153 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	154 GLuint id;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	155 bool ok = true;
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 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	158 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	159
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	160 glGenTextures (1, &id);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	161 glBindTexture (GL_TEXTURE_2D, id);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	162
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	163 if (data.is_double_type ())
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	164 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	165 NDArray _a = data.array_value ();
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	166
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	167 OCTAVE_LOCAL_BUFFER (float, a, (3twth));
7831 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 for (int i = 0; i < h; i++)
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	170 for (int j = 0, idx = itw3; j < w; j++, idx += 3)
7831 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 a[idx] = _a(i,j,0);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	173 a[idx+1] = _a(i,j,1);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	174 a[idx+2] = _a(i,j,2);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	175 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	176
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	177 glTexImage2D (GL_TEXTURE_2D, 0, 3, tw, th, 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	178 GL_RGB, GL_FLOAT, a);
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	179 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	180 else if (data.is_uint8_type ())
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	181 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	182 uint8NDArray _a = data.uint8_array_value ();
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	183
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	184 OCTAVE_LOCAL_BUFFER (octave_uint8, a, (3twth));
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	185
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	186 for (int i = 0; i < h; i++)
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	187 for (int j = 0, idx = itw3; j < w; j++, idx += 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	188 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	189 a[idx] = _a(i,j,0);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	190 a[idx+1] = _a(i,j,1);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	191 a[idx+2] = _a(i,j,2);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	192 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	193
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	194 glTexImage2D (GL_TEXTURE_2D, 0, 3, tw, th, 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	195 GL_RGB, GL_UNSIGNED_BYTE, a);
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	196 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	197 else
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	198 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	199 ok = false;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	200 warning ("opengl_texture::create: invalid texture data type (expected double or uint8)");
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	201 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	202
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	203 if (ok)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	204 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	205 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	206 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	207
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	208 if (glGetError () != GL_NO_ERROR)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	209 warning ("opengl_texture::create: OpenGL error while generating texture data");
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	210 else
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	211 retval = opengl_texture (new texture_rep (id, w, h, tw, th));
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	212 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	213 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	214 else
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	215 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	216
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	217 return retval;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	218 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	219
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	220 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	221 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	222 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	223 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	224 typedef void (CALLBACK *fcn) (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	225
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	226 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	227
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	228 opengl_tesselator (void) : glu_tess (0) { init (); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	229
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	230 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	231 { 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	232
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	233 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	234 {
8ff92634982d Add initial 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 gluTessProperty (glu_tess, GLU_TESS_BOUNDARY_ONLY,
8ff92634982d Add initial 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 (filled ? GL_FALSE : GL_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	237 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	238 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	239 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	240
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	241 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	242 { 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	243
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	244 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	245 { 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	246
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	247 void 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	248 { 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	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 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	251 { 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	252
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	253 protected:
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	254 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	255
8ff92634982d Add initial 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 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	257
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	258 virtual void vertex (void /data*/) { }
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	259
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	260 virtual void combine (GLdouble /c/[3], void /data*/[4],
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	261 GLfloat /w/[4], void */out_data*/) { }
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	262
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	263 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	264
8ff92634982d Add initial 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 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	266 { ::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	267
8ff92634982d Add initial 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 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	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 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	271
8ff92634982d Add initial 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 gluTessCallback (glu_tess, GLU_TESS_BEGIN_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	273 reinterpret_cast<fcn> (tess_begin));
8ff92634982d Add initial 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 gluTessCallback (glu_tess, GLU_TESS_END_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	275 reinterpret_cast<fcn> (tess_end));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	276 gluTessCallback (glu_tess, GLU_TESS_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	277 reinterpret_cast<fcn> (tess_vertex));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	278 gluTessCallback (glu_tess, GLU_TESS_COMBINE_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	279 reinterpret_cast<fcn> (tess_combine));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	280 gluTessCallback (glu_tess, GLU_TESS_EDGE_FLAG_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	281 reinterpret_cast<fcn> (tess_edge_flag));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	282 gluTessCallback (glu_tess, GLU_TESS_ERROR_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	283 reinterpret_cast<fcn> (tess_error));
8ff92634982d Add initial 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
8ff92634982d Add initial 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 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	287
8ff92634982d Add initial 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 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	289 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	290 { reinterpret_cast<opengl_tesselator *> (t)->begin (type); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	291
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	292 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	293 { reinterpret_cast<opengl_tesselator *> (t)->end (); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	294
8ff92634982d Add initial 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 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	296 { reinterpret_cast<opengl_tesselator *> (t)->vertex (v); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	297
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	298 static void CALLBACK tess_combine (GLdouble c[3], void *v[4], GLfloat w[4],
8ff92634982d Add initial 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 void *out, 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	300 { reinterpret_cast<opengl_tesselator *> (t)->combine (c, v, w, out); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	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 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	303 { reinterpret_cast<opengl_tesselator *> (t)->edge_flag (flag); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	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 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	306 { 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	307
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	308 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	309 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	310 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	311 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	312
8ff92634982d Add initial 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 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	314 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	315 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	316 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	317 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	318 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	319 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	320 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	321 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	322 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	323 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	324 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	325 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	326 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	327 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	328
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	329 // reference counter
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	330 int count;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	331
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	332 vertex_data_rep (void) : count (1) { }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	333
8ff92634982d Add initial 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 vertex_data_rep (const Matrix& c, const Matrix& col, const Matrix& 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	335 double a, float as, float ds, float ss, float 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	336 : coords (c), color (col), normal (n), alpha (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	337 ambient (as), diffuse (ds), specular (ss), specular_exp (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	338 count (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	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
8ff92634982d Add initial 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 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	342 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	343
8ff92634982d Add initial 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 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	345 {
8ff92634982d Add initial 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 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	347
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	348 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	349 }
8ff92634982d Add initial 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
8ff92634982d Add initial 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 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	352 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	353 { 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	354
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	355 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	356 { 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	357
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	358 vertex_data (const Matrix& c, const Matrix& col, const Matrix& 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	359 double a, float as, float ds, float ss, float 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	360 : 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	361 { }
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	362
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	363 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	364 : 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	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 ~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	367 {
8ff92634982d Add initial 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 if (--rep->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	369 delete rep;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	370 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	371
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	372 vertex_data& 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	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 if (--rep->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	375 delete 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	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 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	378 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	379
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	380 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	381 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	382
8ff92634982d Add initial 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 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	384 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	385
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	386 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	387 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	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 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	390 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	391 : 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	392 color_mode (cmode), light_mode (lmode), index (idx),
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	393 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	394
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	395 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	396 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	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 //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	399 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	400
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	401 if (color_mode == 2 \|\| light_mode == 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	402 glShadeModel (GL_SMOOTH);
8ff92634982d Add initial 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 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	404 glShadeModel (GL_FLAT);
8ff92634982d Add initial 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 if (is_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	407 renderer->set_polygon_offset (true, 1+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	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 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	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 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	413 {
8ff92634982d Add initial 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 //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	415 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	416 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	417 }
8ff92634982d Add initial 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
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	419 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	420 {
8ff92634982d Add initial 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 vertex_data::vertex_data_rep *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	422 = reinterpret_cast<vertex_data::vertex_data_rep *> (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	423 //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	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 // FIXME: why did I need to keep the first vertex of the face
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	426 // in JHandles? I think it's related to the fact that the
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	427 // 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	428 // 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	429 // 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	430 if (color_mode > 0 && (first \|\| color_mode == 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	431 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	432 Matrix col = v->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	433
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	434 if (col.numel () == 3)
8ff92634982d Add initial 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 glColor3dv (col.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	437 if (light_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	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 float buf[4] = { 0, 0, 0, 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	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 for (int k = 0; k < 3; k++)
8ff92634982d Add initial 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 buf[k] = (v->ambient * col(k));
8ff92634982d Add initial 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 glMaterialfv (LIGHT_MODE, GL_AMBIENT, 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	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 for (int k = 0; k < 3; k++)
8ff92634982d Add initial 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 buf[k] = (v->diffuse * col(k));
8ff92634982d Add initial 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 glMaterialfv (LIGHT_MODE, GL_AMBIENT, 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	448 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	449 }
8ff92634982d Add initial 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 }
8ff92634982d Add initial 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 if (light_mode > 0 && (first \|\| light_mode == 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	453 glNormal3dv (v->normal.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	454
8ff92634982d Add initial 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 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	456
8ff92634982d Add initial 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 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	458 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	459
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	460 void combine (GLdouble xyz[3], void *data[4], GLfloat w[4],
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	461 void **out_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	462 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	463 //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	464
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	465 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	466 int vmax = 4;
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	467
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	468 for (int i = 0; i < 4; i++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	469 {
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	470 v[i] = reinterpret_cast<vertex_data::vertex_data_rep *> (data[i]);
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	471
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	472 if (vmax == 4 && ! v[i])
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	473 vmax = i;
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	474 }
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	475
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	476 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	477 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	478 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	479 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	480
8ff92634982d Add initial 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 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	482 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	483 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	484
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	485 if (v[0]->color.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	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 cc.resize (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	488 for (int ic = 0; ic < 3; ic++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	489 for (int iv = 0; iv < vmax; iv++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	490 cc(ic) += (w[iv] * v[iv]->color(ic));
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	491 }
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	492
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	493 if (v[0]->normal.numel () > 0)
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 in = 0; in < 3; in++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	496 for (int iv = 0; iv < vmax; iv++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	497 nn(in) += (w[iv] * v[iv]->normal(in));
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	498 }
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	499
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	500 for (int iv = 0; iv < vmax; iv++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	501 aa += (w[iv] * v[iv]->alpha);
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	502
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	503 vertex_data new_v (vv, cc, nn, aa, v[0]->ambient, v[0]->diffuse,
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	504 v[0]->specular, v[0]->specular_exp);
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	505 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	506
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	507 *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	508 }
8ff92634982d Add initial 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
8ff92634982d Add initial 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 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	511 opengl_renderer *renderer;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	512 int color_mode; // 0: uni, 1: flat, 2: interp
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	513 int light_mode; // 0: none, 1: flat, 2: gouraud
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	514 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	515 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	516 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	517 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	518
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	519 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	520 opengl_renderer::draw (const graphics_object& go)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	521 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	522 if (! go.valid_object ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	523 return;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	524
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	525 const base_properties& props = go.get_properties ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	526
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	527 if (go.isa ("figure"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	528 draw (dynamic_cast<const figure::properties&> (props));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	529 else if (go.isa ("axes"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	530 draw (dynamic_cast<const axes::properties&> (props));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	531 else if (go.isa ("line"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	532 draw (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	533 else if (go.isa ("surface"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	534 draw (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	535 else if (go.isa ("patch"))
8ff92634982d Add initial 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 draw (dynamic_cast<const patch::properties&> (props));
7866 35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	537 else if (go.isa ("hggroup"))
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	538 draw (dynamic_cast<const hggroup::properties&> (props));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	539 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	540 warning ("opengl_renderer: cannot render object of type `%s'",
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	541 props.graphics_object_name ().c_str ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	542 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	543
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	544 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	545 opengl_renderer::draw (const figure::properties& props)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	546 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	547 backend = props.get_backend ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	548
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	549 // Initialize OpenGL context
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	550
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	551 glEnable (GL_DEPTH_TEST);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	552 glDepthFunc (GL_LEQUAL);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	553 glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	554 glEnable (GL_NORMALIZE);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	555
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	556 if (props.is___enhanced__ ())
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	557 {
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	558 glEnable (GL_BLEND);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	559 glEnable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	560 }
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	561 else
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	562 {
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	563 glDisable (GL_BLEND);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	564 glDisable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	565 }
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	566
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	567 // Clear background
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	568
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	569 Matrix c = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	570
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	571 if (c.length() >= 3)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	572 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	573 glClearColor (c(0), c(1), c(2), 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	574 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	575 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	576
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	577 // Draw children
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	578
8263 22c078fd926b make fltk backend figures work again John W. Eaton <jwe@octave.org> parents: 7954 diff changeset	579 draw (props.get_all_children ());
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	580 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	581
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	582 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	583 opengl_renderer::draw (const axes::properties& props)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	584 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	585 // setup OpenGL transformation
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	586
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	587 Matrix x_zlim = props.get_transform_zlim ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	588 Matrix x_mat1 = props.get_opengl_matrix_1 ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	589 Matrix x_mat2 = props.get_opengl_matrix_2 ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	590
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	591 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	592 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	593
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	594 int vw[4];
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	595 glGetIntegerv (GL_VIEWPORT, vw);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	596
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	597 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	598 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	599 glScaled(1, 1, -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	600 glMultMatrixd (x_mat1.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	601 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	602 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	603 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	604 glMultMatrixd (x_mat2.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	605 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	606
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	607 glClear (GL_DEPTH_BUFFER_BIT);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	608
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	609 // store axes transformation data
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	610
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	611 xform = props.get_transform ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	612
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	613 // draw axes object
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	614
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	615 GLboolean antialias;
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	616 glGetBooleanv (GL_LINE_SMOOTH, &antialias);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	617 glDisable (GL_LINE_SMOOTH);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	618
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	619 Matrix xlim = xform.xscale (props.get_xlim ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	620 Matrix ylim = xform.yscale (props.get_ylim ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	621 Matrix zlim = xform.zscale (props.get_zlim ().matrix_value ());
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	622 double x_min = xlim(0), x_max = xlim(1);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	623 double y_min = ylim(0), y_max = ylim(1);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	624 double z_min = zlim(0), z_max = zlim(1);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	625
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	626 double xd = (props.xdir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	627 double yd = (props.ydir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	628 double zd = (props.zdir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	629
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	630 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	631 int xstate, ystate, zstate;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	632
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	633 xstate = ystate = zstate = AXE_ANY_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	634
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	635 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	636 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	637 xv(0) = xround (p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	638 xv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	639 xv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	640 if (xv(0) == 0 && xv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	641 xstate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	642 else if (xv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	643 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	644 if (xv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	645 xstate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	646 else if (xv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	647 xstate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	648 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	649 double xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	650 if (xv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	651 if (xv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	652 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	653 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	654 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	655 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	656 xPlane = (xv(2) < 0 ? x_min : x_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	657 double xPlaneN = (xPlane == x_min ? x_max : x_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	658 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	659
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	660 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	661 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	662 yv(0) = xround (p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	663 yv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	664 yv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	665 if (yv(0) == 0 && yv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	666 ystate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	667 else if (yv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	668 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	669 if (yv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	670 ystate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	671 else if (yv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	672 ystate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	673 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	674 double yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	675 if (yv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	676 if (yv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	677 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	678 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	679 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	680 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	681 yPlane = (yv(2) < 0 ? y_min : y_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	682 double yPlaneN = (yPlane == y_min ? y_max : y_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	683 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	684
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	685 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	686 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	687 zv(0) = xround(p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	688 zv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	689 zv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	690 if (zv(0) == 0 && zv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	691 zstate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	692 else if (zv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	693 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	694 if (zv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	695 zstate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	696 else if (zv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	697 zstate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	698 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	699 double zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	700 if (zv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	701 if (zv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	702 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	703 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	704 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	705 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	706 zPlane = (zv(2) < 0 ? z_min : z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	707 double zPlaneN = (zPlane == z_min ? z_max : z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	708 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	709
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	710 bool mode2d = (((xstate > AXE_DEPTH_DIR ? 1 : 0) +
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	711 (ystate > AXE_DEPTH_DIR ? 1 : 0) +
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	712 (zstate > AXE_DEPTH_DIR ? 1 : 0)) == 2);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	713 if (props.tickdirmode_is ("auto"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	714 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	715 // FIXME: tickdir should be updated (code below comes
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	716 // from JHandles)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	717 //autoMode++;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	718 //TickDir.set(mode2d ? "in" : "out", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	719 //autoMode--;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	720 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	721
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	722 // FIXME: use ticklength property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	723 double xticklen = 7, yticklen = 7, zticklen = 7;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	724
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	725 //double tickdir = (props.tickdir_is ("in") ? -1 : 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	726 double tickdir = (props.tickdirmode_is ("auto") ?
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	727 (mode2d ? -1 : 1) :
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	728 (props.tickdir_is ("in") ? -1 : 1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	729 double xtickoffset = (mode2d && tickdir < 0 ? 0 : xticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	730 double ytickoffset = (mode2d && tickdir < 0 ? 0 : yticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	731 double ztickoffset = (mode2d && tickdir < 0 ? 0 : zticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	732
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	733 bool xySym = (xdyd(xPlane-xPlaneN)*(yPlane-yPlaneN) > 0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	734 bool x2Dtop = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	735 bool y2Dright = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	736 double zpTick = zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	737
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	738 /* 2D mode */
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	739 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	740 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	741 if (props.xaxislocation_is ("top"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	742 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	743 double tmp = yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	744 yPlane = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	745 yPlaneN = tmp;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	746 x2Dtop = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	747 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	748 if (props.yaxislocation_is ("right"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	749 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	750 double tmp = xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	751 xPlane = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	752 xPlaneN = tmp;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	753 y2Dright = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	754 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	755 if (props.layer_is ("top"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	756 zpTick = zPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	757 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	758
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	759 Matrix axe_color = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	760 bool visible = props.is_visible ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	761 bool box = props.is_box ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	762
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	763 // Axes planes
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	764
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	765 if (axe_color.numel () > 0 && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	766 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	767 set_color (axe_color);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	768 set_polygon_offset (true, 2.5);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	769
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	770 glBegin (GL_QUADS);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	771
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	772 // X plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	773 glVertex3d (xPlane, y_min, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	774 glVertex3d (xPlane, y_max, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	775 glVertex3d (xPlane, y_max, z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	776 glVertex3d (xPlane, y_min, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	777
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	778 // Y plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	779 glVertex3d (x_min, yPlane, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	780 glVertex3d (x_max, yPlane, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	781 glVertex3d (x_max, yPlane, z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	782 glVertex3d (x_min, yPlane, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	783
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	784 // Z plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	785 glVertex3d (x_min, y_min, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	786 glVertex3d (x_max, y_min, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	787 glVertex3d (x_max, y_max, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	788 glVertex3d (x_min, y_max, zPlane);
7825 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 glEnd ();
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 set_polygon_offset (false);
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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	795 // Axes box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	796
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	797 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	798 set_linewidth (props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	799
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	800 if (visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	801 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	802 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	803
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	804 // X box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	805 set_color (props.get_xcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	806 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	807 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	808 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	809 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	810 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	811 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	812 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	813 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	814 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	815 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	816 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	817
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	818 // Y box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	819 set_color (props.get_ycolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	820 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	821 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	822 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	823 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	824 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	825 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	826 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	827 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	828 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	829 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	830 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	831
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	832 // Z box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	833 set_color (props.get_zcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	834 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	835 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	836 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	837 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	838 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	839 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	840 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	841 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	842 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	843 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	844 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	845 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	846 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	847 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	848 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	849 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	850 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	851 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	852 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	853 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	854 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	855 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	856 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	857 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	858 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	859 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	860 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	861
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	862 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	863 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	864
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	865 std::string gridstyle = props.get_gridlinestyle ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	866 std::string minorgridstyle = props.get_minorgridlinestyle ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	867
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	868 // X grid
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	869
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	870 if (visible && xstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	871 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	872 bool do_xgrid = (props.is_xgrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	873 bool do_xminorgrid = (props.is_xminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	874 bool do_xminortick = props.is_xminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	875 Matrix xticks = xform.xscale (props.get_xtick ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	876 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	877 Matrix xmticks;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	878 // FIXME: use xticklabels property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	879 string_vector xticklabels;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	880 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	881 bool tick_along_z = xisinf (fy);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	882 Matrix tickpos (xticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	883
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	884 set_color (props.get_xcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	885
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	886 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	887 if (do_xgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	888 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	889 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	890 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	891 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	892 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	893 double xval = xticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	894
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	895 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	896 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	897 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	898 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	899 glVertex3d (xval, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	900 glVertex3d (xval, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	901 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	902 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	903 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	904 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	905 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	906
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	907 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	908 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	909 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	910 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	911 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	912 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	913 double xval = xticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	914
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	915 glVertex3d (xval, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	916 glVertex3d (xval, yPlaneN, zPlane+signum(zPlane-zPlaneN)fzxticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	917 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	918 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	919 glVertex3d (xval, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	920 glVertex3d (xval, yPlaneN,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	921 zPlaneN+signum(zPlaneN-zPlane)fzxticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	922 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	923 tickpos(i,0) = xval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	924 tickpos(i,1) = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	925 tickpos(i,2) = zPlane+signum(zPlane-zPlaneN)fzxtickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	926 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	927 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	928 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	929 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	930 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	931 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	932 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	933 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	934 double xval = xticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	935
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	936 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	937 glVertex3d (xval, yPlaneN+signum(yPlaneN-yPlane)fyxticklen*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	938 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	939 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	940 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	941 glVertex3d (xval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	942 yPlane+signum(yPlane-yPlaneN)fyxticklen*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	943 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	944 tickpos(i,0) = xval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	945 tickpos(i,1) = yPlaneN+signum(yPlaneN-yPlane)fyxtickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	946 tickpos(i,2) = zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	947 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	948 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	949 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	950
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	951 // FIXME: tick texts
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	952
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	953 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	954 if (do_xminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	955 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	956 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	957 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	958 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	959 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	960 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	961
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	962 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	963 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	964 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	965 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	966 glVertex3d (xval, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	967 glVertex3d (xval, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	968 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	969 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	970 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	971 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	972 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	973
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	974 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	975 if (do_xminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	976 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	977 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	978 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	979 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	980 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	981 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	982 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	983
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	984 glVertex3d (xval, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	985 glVertex3d (xval, yPlaneN,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	986 zPlane+signum(zPlane-zPlaneN)fzxticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	987 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	988 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	989 glVertex3d (xval, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	990 glVertex3d (xval, yPlaneN,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	991 zPlaneN+signum(zPlaneN-zPlane)fzxticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	992 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	993 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	994 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	995 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	996 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	997 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	998 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	999 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1000 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1001 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1002
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1003 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1004 glVertex3d (xval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1005 yPlaneN+signum(yPlaneN-yPlane)fyxticklen/2*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1006 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1007 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1008 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1009 glVertex3d (xval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1010 yPlane+signum(yPlane-yPlaneN)fyxticklen/2*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1011 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1012 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1013 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1014 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1015 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1016
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1017 text::properties& xlabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1018 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_xlabel ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1019
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1020 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1021 // label has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1022 if (! xlabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1023 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1024 xlabel_props.set_horizontalalignment (xstate > AXE_DEPTH_DIR ? "center" : (xySym ? "left" : "right"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1025 xlabel_props.set_verticalalignment (xstate == AXE_VERT_DIR ? "bottom" : (zd*zv(2) <= 0 ? "top" : "bottom"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1026
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1027 double angle = 0;
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1028 ColumnVector p = graphics_xform::xform_vector ((x_min+x_max)/2, yPlaneN, zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1029
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1030 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1031 p(2) += (signum(zPlane-zPlaneN)fzxtickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1032 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1033 p(1) += (signum(yPlaneN-yPlane)fyxtickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1034 p = xform.transform (p(0), p(1), p(2), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1035 switch (xstate)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1036 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1037 case AXE_ANY_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1038 p(0) += (xySym ? wmax : -wmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1039 p(1) += (zd*zv(2) <= 0 ? hmax : -hmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1040 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1041 case AXE_VERT_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1042 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1043 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1044 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1045 case AXE_HORZ_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1046 p(1) += hmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1047 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1048 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1049 p = xform.untransform (p(0), p(1), p(2), true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1050 xlabel_props.set_position (p.extract_n (0, 3).transpose ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1051 xlabel_props.set_rotation (angle);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1052 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1053 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1054
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1055 // Y grid
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1056
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1057 if (ystate != AXE_DEPTH_DIR && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1058 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1059 bool do_ygrid = (props.is_ygrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1060 bool do_yminorgrid = (props.is_yminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1061 bool do_yminortick = props.is_yminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1062 Matrix yticks = xform.yscale (props.get_ytick ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1063 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1064 Matrix ymticks;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1065 // FIXME: use yticklabels property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1066 string_vector yticklabels;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1067 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1068 bool tick_along_z = xisinf (fx);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1069 Matrix tickpos (yticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1070
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1071 set_color (props.get_ycolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1072
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1073 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1074 if (do_ygrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1075 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1076 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1077 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1078 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1079 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1080 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1081
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1082 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1083 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1084 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1085 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1086 glVertex3d (xPlane, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1087 glVertex3d (xPlane, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1088 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1089 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1090 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1091 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1092 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1093
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1094 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1095 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1096 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1097 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1098 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1099 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1100 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1101
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1102 glVertex3d (xPlaneN, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1103 glVertex3d (xPlaneN, yval, zPlane+signum(zPlane-zPlaneN)fzyticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1104 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1105 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1106 glVertex3d (xPlaneN, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1107 glVertex3d (xPlaneN, yval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1108 zPlaneN+signum(zPlaneN-zPlane)fzyticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1109 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1110 tickpos(i,0) = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1111 tickpos(i,1) = yval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1112 tickpos(i,2) = zPlane+signum(zPlane-zPlaneN)fzytickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1113 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1114 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1115 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1116 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1117 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1118 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1119 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1120 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1121 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1122
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1123 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1124 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxyticklen*tickdir, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1125 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1126 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1127 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1128 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxyticklen*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1129 yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1130 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1131 tickpos(i,0) = xPlaneN+signum(xPlaneN-xPlane)fxytickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1132 tickpos(i,1) = yval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1133 tickpos(i,2) = zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1134 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1135 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1136 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1137
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1138 // FIXME: tick texts
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1139
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1140 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1141 if (do_yminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1142 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1143 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1144 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1145 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1146 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1147 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1148
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1149 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1150 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1151 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1152 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1153 glVertex3d (xPlane, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1154 glVertex3d (xPlane, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1155 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1156 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1157 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1158 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1159 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1160
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1161 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1162 if (do_yminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1163 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1164 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1165 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1166 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1167 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1168 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1169 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1170
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1171 glVertex3d (xPlaneN, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1172 glVertex3d (xPlaneN, yval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1173 zPlane+signum(zPlane-zPlaneN)fzyticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1174 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1175 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1176 glVertex3d (xPlaneN, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1177 glVertex3d (xPlaneN, yval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1178 zPlaneN+signum(zPlaneN-zPlane)fzyticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1179 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1180 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1181 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1182 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1183 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1184 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1185 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1186 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1187 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1188 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1189
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1190 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1191 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxyticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1192 yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1193 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1194 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1195 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1196 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxyticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1197 yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1198 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1199 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1200 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1201 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1202 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1203
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1204 text::properties& ylabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1205 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_ylabel ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1206
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1207 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1208 // label has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1209 if (! ylabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1210 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1211 ylabel_props.set_horizontalalignment (ystate > AXE_DEPTH_DIR ? "center" : (!xySym ? "left" : "right"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1212 ylabel_props.set_verticalalignment (ystate == AXE_VERT_DIR ? "bottom" : (zd*zv(2) <= 0 ? "top" : "bottom"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1213
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1214 double angle = 0;
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1215 ColumnVector p = graphics_xform::xform_vector (xPlaneN, (y_min+y_max)/2, zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1216
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1217 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1218 p(2) += (signum(zPlane-zPlaneN)fzytickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1219 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1220 p(0) += (signum(xPlaneN-xPlane)fxytickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1221 p = xform.transform (p(0), p(1), p(2), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1222 switch (ystate)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1223 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1224 case AXE_ANY_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1225 p(0) += (!xySym ? wmax : -wmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1226 p(1) += (zd*zv(2) <= 0 ? hmax : -hmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1227 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1228 case AXE_VERT_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1229 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1230 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1231 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1232 case AXE_HORZ_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1233 p(1) += hmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1234 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1235 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1236 p = xform.untransform(p(0), p(1), p(2), true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1237 ylabel_props.set_position (p.extract_n (0, 3).transpose ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1238 ylabel_props.set_rotation (angle);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1239 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1240 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1241
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1242 // Z Grid
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1243
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1244 if (zstate != AXE_DEPTH_DIR && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1245 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1246 bool do_zgrid = (props.is_zgrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1247 bool do_zminorgrid = (props.is_zminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1248 bool do_zminortick = props.is_zminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1249 Matrix zticks = xform.zscale (props.get_ztick ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1250 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1251 Matrix zmticks;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1252 // FIXME: use zticklabels property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1253 string_vector zticklabels;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1254 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1255 Matrix tickpos (zticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1256
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1257 set_color (props.get_zcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1258
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1259 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1260 if (do_zgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1261 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1262 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1263 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1264 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1265 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1266 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1267
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1268 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1269 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1270 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1271 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1272 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1273 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1274 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1275 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1276
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1277 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1278 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1279 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1280 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1281 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1282 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1283 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1284 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1285 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1286
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1287 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1288 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxzticklen*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1289 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1290 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1291 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1292 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1293 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1294 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1295 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1296 tickpos(i,0) = xPlaneN+signum(xPlaneN-xPlane)fxztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1297 tickpos(i,1) = yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1298 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1299 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1300 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1301 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1302 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1303 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1304 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1305 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1306 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1307 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1308
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1309 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1310 glVertex3d (xPlaneN, yPlane+signum(yPlane-yPlaneN)fyzticklen*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1311 tickpos(i,0) = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1312 tickpos(i,1) = yPlane+signum(yPlane-yPlaneN)fyztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1313 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1314 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1315 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1316 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1317 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1318 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1319 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1320 if (xisinf (fx))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1321 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1322 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1323 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1324 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1325 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1326
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1327 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1328 glVertex3d (xPlane, yPlaneN+signum(yPlaneN-yPlane)fyzticklen*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1329 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1330 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1331 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1332 glVertex3d (xPlane, yPlane+signum(yPlane-yPlaneN)fyzticklen*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1333 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1334 tickpos(i,0) = xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1335 tickpos(i,1) = yPlaneN+signum(yPlaneN-yPlane)fyztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1336 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1337 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1338 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1339 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1340 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1341 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1342 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1343 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1344 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1345 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1346
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1347 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1348 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen*tickdir, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1349 tickpos(i,0) = xPlane+signum(xPlane-xPlaneN)fxztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1350 tickpos(i,1) = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1351 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1352 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1353 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1354 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1355 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1356
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1357 // FIXME: tick texts
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1358
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1359 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1360 if (do_zminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1361 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1362 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1363 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1364 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1365 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1366 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1367
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1368 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1369 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1370 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1371 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1372 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1373 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1374 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1375 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1376
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1377 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1378 if (do_zminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1379 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1380 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1381 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1382 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1383 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1384 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1385 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1386 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1387 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1388
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1389 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1390 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxzticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1391 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1392 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1393 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1394 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1395 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1396 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1397 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1398 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1399 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1400 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1401 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1402 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1403 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1404 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1405 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1406 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1407
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1408 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1409 glVertex3d (xPlaneN, yPlane+signum(yPlane-yPlaneN)fyzticklen/2*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1410 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1411 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1412 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1413 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1414 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1415 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1416 if (xisinf (fx))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1417 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1418 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1419 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1420 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1421 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1422
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1423 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1424 glVertex3d (xPlane, yPlaneN+signum(yPlaneN-yPlane)fyzticklen/2*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1425 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1426 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1427 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1428 glVertex3d (xPlane, yPlane+signum(yPlane-yPlaneN)fyzticklen/2*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1429 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1430 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1431 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1432 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1433 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1434 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1435 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1436 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1437 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1438 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1439
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1440 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1441 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen/2*tickdir, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1442 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1443 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1444 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1445 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1446 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1447
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1448 text::properties& zlabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1449 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_zlabel ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1450
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1451 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1452 // label has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1453 if (! zlabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1454 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1455 bool camAuto = props.cameraupvectormode_is ("auto");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1456
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1457 zlabel_props.set_horizontalalignment ((zstate > AXE_DEPTH_DIR \|\| camAuto) ? "center" : "right");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1458 zlabel_props.set_verticalalignment(zstate == AXE_VERT_DIR ? "bottom" : ((zd*zv(2) < 0 \|\| camAuto) ? "bottom" : "top"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1459
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1460 double angle = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1461 ColumnVector p;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1462
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1463 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1464 {
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1465 p = graphics_xform::xform_vector (xPlaneN, yPlane, (z_min+z_max)/2);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1466 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1467 p(0) += (signum(xPlaneN-xPlane)fxztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1468 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1469 p(1) += (signum(yPlane-yPlaneN)fyztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1470 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1471 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1472 {
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1473 p = graphics_xform::xform_vector (xPlane, yPlaneN, (z_min+z_max)/2);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1474 if (xisinf (fx))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1475 p(1) += (signum(yPlaneN-yPlane)fyztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1476 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1477 p(0) += (signum(xPlane-xPlaneN)fxztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1478 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1479 p = xform.transform (p(0), p(1), p(2), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1480 switch (zstate)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1481 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1482 case AXE_ANY_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1483 if (camAuto)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1484 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1485 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1486 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1487 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1488 /* FIXME: what's the correct offset?
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1489 p[0] += (!xySym ? wmax : -wmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1490 p[1] += (zd*zv[2] <= 0 ? hmax : -hmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1491 */
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1492 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1493 case AXE_VERT_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1494 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1495 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1496 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1497 case AXE_HORZ_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1498 p(1) += hmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1499 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1500 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1501 p = xform.untransform (p(0), p(1), p(2), true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1502 zlabel_props.set_position (p.extract_n (0, 3).transpose ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1503 zlabel_props.set_rotation (angle);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1504 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1505 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1506
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1507 set_linestyle ("-");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1508
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1509 // Title
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1510
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1511 text::properties& title_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1512 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_title ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1513
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1514 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1515 // title has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1516 if (! title_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1517 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1518 Matrix bb = props.get_boundingbox (true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1519 ColumnVector p = xform.untransform (bb(0)+bb(2)/2, (bb(1)-10),
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1520 (x_zlim(0)+x_zlim(1))/2, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1521 title_props.set_position (p.extract_n(0, 3).transpose ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1522 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1523
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1524 set_clipbox (x_min, x_max, y_min, y_max, z_min, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1525
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1526 // Children
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1527
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1528 if (antialias == GL_TRUE)
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1529 glEnable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1530
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1531 Matrix children = props.get_children ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1532 std::list<graphics_object> obj_list;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1533 std::list<graphics_object>::iterator it;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1534
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1535 // 1st pass: draw light objects
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1536
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1537 for (int i = 0; i < children.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1538 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1539 graphics_object go = gh_manager::get_object (children (i));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1540
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1541 if (go.get_properties ().is_visible ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1542 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1543 if (go.isa ("light"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1544 draw (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1545 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1546 obj_list.push_back (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1547 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1548 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1549
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1550 // 2nd pass: draw other objects (with units set to "data")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1551
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1552 it = obj_list.begin ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1553 while (it != obj_list.end ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1554 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1555 graphics_object go = (*it);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1556
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1557 // FIXME: check whether object has "units" property and it is set to "data"
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1558 if (! go.isa ("text") \|\| go.get ("units").string_value () == "data")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1559 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1560 set_clipping (go.get_properties ().is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1561 draw (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1562
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1563 it = obj_list.erase (it);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1564 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1565 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1566 it++;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1567 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1568
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1569 // 3rd pass: draw remaining objects
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1570
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1571 for (it = obj_list.begin (); it != obj_list.end (); it++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1572 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1573 graphics_object go = (*it);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1574
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1575 set_clipping (go.get_properties ().is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1576 draw (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1577 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1578
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1579 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1580 // FIXME: finalize rendering (transparency processing)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1581 // FIXME: draw zoom box, if needed
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1582 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1583
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1584 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1585 opengl_renderer::draw (const line::properties& props)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1586 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1587 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	1588 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	1589 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	1590
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1591 bool has_z = (z.numel () > 0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1592 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	1593 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	1594
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1595 std::vector<octave_uint8> clip (n);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1596
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1597 if (has_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1598 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1599 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	1600 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1601 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1602 double z_mid = (zmin+zmax)/2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1603
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1604 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1605 clip[i] = (clip_code (x(i), y(i), z_mid) & clip_mask);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1606 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1607
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1608 if (! props.linestyle_is ("none"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1609 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1610 set_color (props.get_color_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1611 set_linestyle (props.get_linestyle (), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1612 set_linewidth (props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1613
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1614 if (has_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1615 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1616 bool flag = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1617
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1618 for (int i = 1; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1619 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1620 if ((clip[i-1] & clip[i]) == clip_ok)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1621 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1622 if (! flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1623 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1624 flag = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1625 glBegin (GL_LINE_STRIP);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1626 glVertex3d (x(i-1), y(i-1), z(i-1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1627 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1628 glVertex3d (x(i), y(i), z(i));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1629 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1630 else if (flag)
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 flag = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1633 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1634 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1635 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1636
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1637 if (flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1638 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1639 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1640 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1641 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1642 bool flag = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1643
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1644 for (int i = 1; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1645 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1646 if ((clip[i-1] & clip[i]) == clip_ok)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1647 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1648 if (! flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1649 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1650 flag = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1651 glBegin (GL_LINE_STRIP);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1652 glVertex2d (x(i-1), y(i-1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1653 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1654 glVertex2d (x(i), y(i));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1655 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1656 else if (flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1657 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1658 flag = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1659 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1660 }
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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1663 if (flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1664 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1665 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1666
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1667 set_linewidth (0.5);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1668 set_linestyle ("-");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1669 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1670
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1671 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1672
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1673 if (! props.marker_is ("none") &&
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1674 ! (props.markeredgecolor_is ("none")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1675 && props.markerfacecolor_is ("none")))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1676 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1677 Matrix lc, fc;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1678
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1679 if (props.markeredgecolor_is ("auto"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1680 lc = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1681 else if (! props.markeredgecolor_is ("none"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1682 lc = props.get_markeredgecolor_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1683
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1684 if (props.markerfacecolor_is ("auto"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1685 fc = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1686 else if (! props.markerfacecolor_is ("none"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1687 fc = props.get_markerfacecolor_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1688
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1689 init_marker (props.get_marker (), props.get_markersize (),
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1690 props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1691
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1692 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1693 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1694 if (clip[i] == clip_ok)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1695 draw_marker (x(i), y(i), (has_z ? z(i) : 0), lc, fc);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1696 }
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 end_marker ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1699 }
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1700
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1701 set_clipping (props.is_clipping ());
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
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1704 void
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1705 opengl_renderer::draw (const surface::properties& props)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1706 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1707 Matrix x = xform.xscale (props.get_xdata ().matrix_value ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1708 Matrix y = xform.yscale (props.get_ydata ().matrix_value ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1709 Matrix z = xform.zscale (props.get_zdata ().matrix_value ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1710
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1711 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	1712
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1713 NDArray c;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1714 NDArray n = props.get_vertexnormals ().array_value ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1715
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1716 // FIXME: handle transparency
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1717 Matrix a;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1718
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1719 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	1720 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	1721
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1722 int fc_mode = (props.facecolor_is_rgb () ? 0 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1723 (props.facecolor_is ("flat") ? 1 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1724 (props.facecolor_is ("interp") ? 2 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1725 (props.facecolor_is ("texturemap") ? 3 : -1))));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1726 int fl_mode = (props.facelighting_is ("none") ? 0 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1727 (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	1728 int fa_mode = (props.facealpha_is_double () ? 0 :
d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1729 (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	1730 int ec_mode = (props.edgecolor_is_rgb () ? 0 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1731 (props.edgecolor_is ("flat") ? 1 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1732 (props.edgecolor_is ("interp") ? 2 : -1)));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1733 int el_mode = (props.edgelighting_is ("none") ? 0 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1734 (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	1735 int ea_mode = (props.edgealpha_is_double () ? 0 :
d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1736 (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	1737
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1738 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	1739 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	1740
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1741 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	1742 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	1743 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	1744 float se = props.get_specularexponent ();
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1745 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	1746 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	1747
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1748 opengl_texture tex;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1749
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1750 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	1751 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	1752 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	1753
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1754 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	1755
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1756 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	1757
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1758 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	1759 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1760 if (x_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1761 i1 = i;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1762
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1763 for (int j = 0; j < zc; j++)
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1764 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1765 if (y_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1766 j1 = j;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1767
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1768 clip(i,j) = is_nan_or_inf (x(i1,j), y(i,j1), z(i,j));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1769 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1770 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1771
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1772 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	1773 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	1774
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1775 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	1776 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1777 // FIXME: implement alphadata conversion
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1778 //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	1779 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1780
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1781 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	1782 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1783 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	1784
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1785 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	1786 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	1787 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1788
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1789 // 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	1790 // 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	1791 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1792 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	1793
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1794 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	1795 {
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1796 if (props.get_facealpha_double () == 1)
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1797 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1798 if (fc_mode == 0 \|\| fc_mode == 3)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1799 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1800 glColor3dv (fcolor.data ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1801 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1802 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1803 for (int i = 0; i < 3; i++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1804 cb[i] = as * fcolor(i);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1805 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1806
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1807 for (int i = 0; i < 3; i++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1808 cb[i] = ds * fcolor(i);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1809 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1810 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1811 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1812
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1813 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1814 glEnable (GL_LIGHTING);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1815 glShadeModel ((fc_mode == 2 \|\| fl_mode == 2) ? GL_SMOOTH : GL_FLAT);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1816 set_polygon_offset (true, 1);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1817 if (fc_mode == 3)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1818 glEnable (GL_TEXTURE_2D);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1819
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1820 for (int i = 1; i < zc; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1821 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1822 if (y_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1823 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1824 i1 = i-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1825 i2 = i;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1826 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1827
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1828 for (int j = 1; j < zr; j++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1829 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1830 if (clip(j-1, i-1) \|\| clip (j, i-1)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1831 \|\| clip (j-1, i) \|\| clip (j, i))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1832 continue;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1833
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1834 if (x_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1835 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1836 j1 = j-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1837 j2 = j;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1838 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1839
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1840 glBegin (GL_QUADS);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1841
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1842 // Vertex 1
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1843 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1844 tex.tex_coord (double (i-1) / (zc-1), double (j-1) / (zr-1));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1845 else if (fc_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1846 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1847 // FIXME: is there a smarter way to do this?
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1848 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1849 cb[k] = c(j-1, i-1, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1850 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1851
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1852 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1853 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1854 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1855 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1856 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1857
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1858 for (int k = 0; k < 3; k++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1859 cb[k] = ds * c(j-1, i-1, k);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1860 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1861 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1862 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1863 if (fl_mode > 0)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1864 {
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1865 d = sqrt (n(j-1,i-1,0) * n(j-1,i-1,0)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1866 + n(j-1,i-1,1) * n(j-1,i-1,1)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1867 + n(j-1,i-1,2) * n(j-1,i-1,2));
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1868 glNormal3d (n(j-1,i-1,0)/d, n(j-1,i-1,1)/d, n(j-1,i-1,2)/d);
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1869 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1870 glVertex3d (x(j1,i-1), y(j-1,i1), z(j-1,i-1));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1871
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1872 // Vertex 2
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1873 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1874 tex.tex_coord (double (i) / (zc-1), double (j-1) / (zr-1));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1875 else if (fc_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1876 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1877 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1878 cb[k] = c(j-1, i, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1879 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1880
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1881 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1882 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1883 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1884 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1885 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1886
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1887 for (int k = 0; k < 3; k++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1888 cb[k] = ds * c(j-1, i, k);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1889 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1890 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1891 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1892
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1893 if (fl_mode == 2)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1894 {
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1895 d = sqrt (n(j-1,i,0) * n(j-1,i,0)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1896 + n(j-1,i,1) * n(j-1,i,1)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1897 + n(j-1,i,2) * n(j-1,i,2));
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1898 glNormal3d (n(j-1,i,0)/d, n(j-1,i,1)/d, n(j-1,i,2)/d);
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1899 }
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1900
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1901 glVertex3d (x(j1,i), y(j-1,i2), z(j-1,i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1902
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1903 // Vertex 3
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1904 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1905 tex.tex_coord (double (i) / (zc-1), double (j) / (zr-1));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1906 else if (fc_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1907 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1908 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1909 cb[k] = c(j, i, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1910 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1911
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1912 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1913 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1914 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1915 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1916 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1917
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1918 for (int k = 0; k < 3; k++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1919 cb[k] = ds * c(j, i, k);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1920 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1921 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1922 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1923 if (fl_mode == 2)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1924 {
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1925 d = sqrt (n(j,i,0) * n(j,i,0)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1926 + n(j,i,1) * n(j,i,1)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1927 + n(j,i,2) * n(j,i,2));
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1928 glNormal3d (n(j,i,0)/d, n(j,i,1)/d, n(j,i,2)/d);
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1929 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1930 glVertex3d (x(j2,i), y(j,i2), z(j,i));
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1931
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1932 // Vertex 4
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1933 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1934 tex.tex_coord (double (i-1) / (zc-1), double (j) / (zr-1));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1935 else if (fc_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1936 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1937 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1938 cb[k] = c(j, i-1, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1939 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1940
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1941 if (fl_mode > 0)
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 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1944 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1945 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1946
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1947 for (int k = 0; k < 3; k++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1948 cb[k] = ds * c(j, i-1, k);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1949 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1950 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1951 }
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1952 if (fl_mode == 2)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1953 {
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1954 d = sqrt (n(j,i-1,0) * n(j,i-1,0)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1955 + n(j,i-1,1) * n(j,i-1,1)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1956 + n(j,i-1,2) * n(j,i-1,2));
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1957 glNormal3d (n(j,i-1,0)/d, n(j,i-1,1)/d, n(j,i-1,2)/d);
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1958 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1959 glVertex3d (x(j2,i-1), y(j,i1), z(j,i-1));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1960
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1961 glEnd ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1962 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1963 }
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 set_polygon_offset (false);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1966 if (fc_mode == 3)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1967 glDisable (GL_TEXTURE_2D);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1968
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1969 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1970 glDisable (GL_LIGHTING);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1971 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1972 else
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1973 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1974 // FIXME: implement transparency
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1975 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1976 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1977
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1978 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	1979 {
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1980 if (props.get_edgealpha_double () == 1)
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1981 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1982 if (ec_mode == 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1983 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1984 glColor3dv (ecolor.data ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1985 if (fl_mode > 0)
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 for (int i = 0; i < 3; i++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1988 cb[i] = as * ecolor(i);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1989 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1990
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1991 for (int i = 0; i < 3; i++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	1992 cb[i] = ds * ecolor(i);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1993 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1994 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1995 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1996
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1997 if (el_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1998 glEnable (GL_LIGHTING);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1999 glShadeModel ((ec_mode == 2 \|\| el_mode == 2) ? GL_SMOOTH : GL_FLAT);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2000
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2001 set_linestyle (props.get_linestyle (), false);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2002 set_linewidth (props.get_linewidth ());
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 // Mesh along Y-axis
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2005
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2006 if (props.meshstyle_is ("both") \|\| props.meshstyle_is ("column"))
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 for (int i = 0; i < zc; i++)
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 if (y_mat)
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 i1 = i-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2013 i2 = i;
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
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2016 for (int j = 1; j < zr; j++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2017 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2018 if (clip(j-1,i) \|\| clip(j,i))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2019 continue;
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 (x_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2022 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2023 j1 = j-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2024 j2 = j;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2025 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2026
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2027 glBegin (GL_LINES);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2028
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2029 // Vertex 1
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2030 if (ec_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2031 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2032 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2033 cb[k] = c(j-1, i, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2034 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2035
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2036 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2037 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2038 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2039 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2040 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2041
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2042 for (int k = 0; k < 3; k++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2043 cb[k] = ds * c(j-1, i, k);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2044 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2045 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2046 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2047 if (el_mode > 0)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2048 {
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2049 d = sqrt (n(j-1,i,0) * n(j-1,i,0)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2050 + n(j-1,i,1) * n(j-1,i,1)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2051 + n(j-1,i,2) * n(j-1,i,2));
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2052 glNormal3d (n(j-1,i,0)/d, n(j-1,i,1)/d, n(j-1,i,2)/d);
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2053 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2054 glVertex3d (x(j1,i), y(j-1,i2), z(j-1,i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2055
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2056 // Vertex 2
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2057 if (ec_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2058 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2059 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2060 cb[k] = c(j, i, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2061 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2062
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2063 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2064 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2065 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2066 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2067 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2068
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2069 for (int k = 0; k < 3; k++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2070 cb[k] = ds * c(j, i, k);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2071 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2072 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2073 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2074 if (el_mode == 2)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2075 {
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2076 d = sqrt (n(j,i,0) * n(j,i,0)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2077 + n(j,i,1) * n(j,i,1)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2078 + n(j,i,2) * n(j,i,2));
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2079 glNormal3d (n(j,i,0)/d, n(j,i,1)/d, n(j,i,2)/d);
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2080 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2081 glVertex3d (x(j2,i), y(j,i2), z(j,i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2082
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2083 glEnd ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2084 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2085 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2086 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2087
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2088 // Mesh along X-axis
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2089
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2090 if (props.meshstyle_is ("both") \|\| props.meshstyle_is ("row"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2091 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2092 for (int j = 0; j < zr; j++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2093 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2094 if (x_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2095 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2096 j1 = j-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2097 j2 = j;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2098 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2099
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2100 for (int i = 1; i < zc; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2101 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2102 if (clip(j,i-1) \|\| clip(j,i))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2103 continue;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2104
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2105 if (y_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2106 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2107 i1 = i-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2108 i2 = i;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2109 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2110
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2111 glBegin (GL_LINES);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2112
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2113 // Vertex 1
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2114 if (ec_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2115 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2116 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2117 cb[k] = c(j, i-1, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2118 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2119
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2120 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2121 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2122 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2123 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2124 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2125
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2126 for (int k = 0; k < 3; k++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2127 cb[k] = ds * c(j, i-1, k);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2128 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2129 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2130 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2131 if (el_mode > 0)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2132 {
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2133 d = sqrt (n(j,i-1,0) * n(j,i-1,0)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2134 + n(j,i-1,1) * n(j,i-1,1)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2135 + n(j,i-1,2) * n(j,i-1,2));
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2136 glNormal3d (n(j,i-1,0)/d, n(j,i-1,1)/d, n(j,i-1,2)/d);
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2137 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2138 glVertex3d (x(j2,i-1), y(j,i1), z(j,i-1));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2139
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2140 // Vertex 2
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2141 if (ec_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2142 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2143 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2144 cb[k] = c(j, i, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2145 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2146
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2147 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2148 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2149 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2150 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2151 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2152
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2153 for (int k = 0; k < 3; k++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2154 cb[k] = ds * c(j, i, k);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2155 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2156 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2157 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2158 if (el_mode == 2)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2159 {
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2160 d = sqrt (n(j,i,0) * n(j,i,0)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2161 + n(j,i,1) * n(j,i,1)
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2162 + n(j,i,2) * n(j,i,2));
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2163 glNormal3d (n(j,i,0)/d, n(j,i,1)/d, n(j,i,2)/d);
0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2164 }
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2165 glVertex3d (x(j2,i), y(j,i2), z(j,i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2166
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2167 glEnd ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2168 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2169 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2170 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2171
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2172 set_linestyle ("-");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2173 set_linewidth (0.5);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2174
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2175 if (el_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2176 glDisable (GL_LIGHTING);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2177 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2178 else
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2179 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2180 // FIXME: implement transparency
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2181 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2182 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2183
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2184 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	2185 ! (props.markeredgecolor_is ("none")
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2186 && props.markerfacecolor_is ("none")))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2187 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2188 // 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	2189 // 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	2190 // 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	2191
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2192 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	2193 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	2194
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2195 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	2196 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	2197 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	2198
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2199 if (mecolor.numel () == 0 && props.markeredgecolor_is ("auto"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2200 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2201 mecolor = props.get_edgecolor_rgb ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2202 do_edge = ! props.edgecolor_is ("none");
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 (mfcolor.numel () == 0 && props.markerfacecolor_is ("auto"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2206 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2207 mfcolor = props.get_facecolor_rgb ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2208 do_face = ! props.facecolor_is ("none");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2209 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2210
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2211 if ((mecolor.numel () == 0 \|\| mfcolor.numel () == 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2212 && c.numel () == 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2213 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	2214
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2215 init_marker (props.get_marker (), props.get_markersize (),
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2216 props.get_linewidth ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2217
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2218 for (int i = 0; i < zc; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2219 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2220 if (y_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2221 i1 = i;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2222
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2223 for (int j = 0; j < zr; j++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2224 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2225 if (clip(j,i))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2226 continue;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2227
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2228 if (x_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2229 j1 = j;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2230
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2231 if ((do_edge && mecolor.numel () == 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2232 \|\| (do_face && mfcolor.numel () == 0))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2233 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2234 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2235 cc(k) = c(j,i,k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2236 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2237
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2238 Matrix lc = (do_edge ? (mecolor.numel () == 0 ? cc : mecolor) : Matrix ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2239 Matrix fc = (do_face ? (mfcolor.numel () == 0 ? cc : mfcolor) : Matrix ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2240
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2241 draw_marker (x(j1,i), y(j,i1), z(j,i), lc, fc);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2242 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2243 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2244
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2245 end_marker ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2246 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2247 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2248
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	2249 // 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	2250 // 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	2251 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	2252 opengl_renderer::draw (const patch::properties &props)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2253 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2254 Matrix f = props.get_faces ().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	2255 Matrix v = xform.scale (props.get_vertices ().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	2256 Matrix c;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2257 Matrix n = props.get_vertexnormals ().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	2258 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	2259
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2260 int nv = v.rows ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2261 // int vmax = v.columns ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2262 int nf = f.rows ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2263 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	2264
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2265 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	2266 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	2267 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	2268
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2269 int fc_mode = (props.facecolor_is_rgb () ? 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	2270 (props.facecolor_is("flat") ? 1 : 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	2271 int fl_mode = (props.facelighting_is ("none") ? 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	2272 (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	2273 int fa_mode = (props.facealpha_is_double () ? 0 :
d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2274 (props.facealpha_is ("flat") ? 1 : 2));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2275 int ec_mode = (props.edgecolor_is_rgb () ? 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	2276 (props.edgecolor_is("flat") ? 1 : 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	2277 int el_mode = (props.edgelighting_is ("none") ? 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	2278 (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	2279 int ea_mode = (props.edgealpha_is_double () ? 0 :
d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2280 (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	2281
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2282 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	2283 Matrix ecolor = props.get_edgecolor_rgb ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2284
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2285 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	2286 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	2287 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	2288 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	2289
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2290 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	2291
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2292 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	2293 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	2294 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	2295 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	2296 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	2297 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	2298
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2299 boolMatrix clip_f (1, nf, 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	2300 Array<int> count_f (nf, 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	2301
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2302 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	2303 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2304 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	2305 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	2306
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2307 for (int j = 0; j < fcmax && ! xisnan (f(i,j)); j++, 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	2308 fclip = (fclip \|\| clip(int (f(i,j) - 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	2309
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2310 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	2311 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	2312 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2313
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2314 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	2315 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2316 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	2317
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2318 if (c.rows () == 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	2319 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2320 // Single color specifications, we can simplify a little bit
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2321
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2322 if (fc_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	2323 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2324 fcolor = c;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2325 fc_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	2326 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2327
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2328 if (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	2329 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2330 ecolor = c;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2331 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	2332 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2333
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2334 c = Matrix ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2335 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2336 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	2337 has_facecolor = ((c.numel () > 0) && (c.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	2338 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2339
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2340 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	2341 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2342 // 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	2343 //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	2344 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	2345 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2346
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7914 diff changeset	2347 octave_idx_type fr = f.rows ();
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2348 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	2349
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2350 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	2351 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	2352 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2353 int idx = int (f(i,j) - 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	2354
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2355 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	2356 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	2357 Matrix nn(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	2358 double aa = 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	2359
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2360 vv(0) = v(idx,0); vv(1) = v(idx,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	2361 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	2362 vv(2) = v(idx,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	2363 // FIXME: uncomment when patch object has normal computation
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2364 //nn(0) = n(idx,0); nn(1) = n(idx,1); nn(2) = n(idx,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	2365 if (c.numel () > 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	2366 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2367 cc.resize (1, 3);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2368 if (has_facecolor)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2369 cc(0) = c(i,0), cc(1) = c(i,1), cc(2) = c(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	2370 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	2371 cc(0) = c(idx,0), cc(1) = c(idx,1), cc(2) = c(idx,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	2372 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2373 if (a.numel () > 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	2374 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2375 if (has_facealpha)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2376 aa = a(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	2377 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	2378 aa = a(idx);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2379 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2380
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2381 vdata[i+j*fr] =
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	2382 vertex_data (vv, cc, nn, aa, as, ds, ss, 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	2383 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2384
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2385 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	2386 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2387 float 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	2388
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2389 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	2390 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	2391 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2392
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2393 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	2394 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2395 // 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	2396 if (props.get_facealpha_double () == 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	2397 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2398 if (fc_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	2399 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2400 glColor3dv (fcolor.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	2401 if (fl_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	2402 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2403 float cb[4] = { 0, 0, 0, 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	2404
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2405 for (int i = 0; i < 3; 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	2406 cb[i] = (as * fcolor(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	2407 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2408
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2409 for (int i = 0; i < 3; i++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2410 cb[i] = ds * fcolor(i);
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2411 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2412 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2413 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2414
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2415 if (fl_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	2416 glEnable (GL_LIGHTING);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2417
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2418 // FIXME: use __index__ property 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	2419 patch_tesselator tess (this, fc_mode, fl_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	2420
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2421 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	2422 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2423 if (clip_f(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	2424 continue;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2425
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2426 tess.begin_polygon (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	2427 tess.begin_contour ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2428
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2429 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	2430 {
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2431 vertex_data::vertex_data_rep vv = vdata[i+jfr].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	2432
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2433 tess.add_vertex (vv->coords.fortran_vec (), vv);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2434 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2435
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2436 tess.end_contour ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2437 tess.end_polygon ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2438 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2439
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2440 if (fl_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	2441 glDisable (GL_LIGHTING);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2442 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2443 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	2444 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2445 // FIXME: implement transparency
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2446 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2447 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2448
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2449 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	2450 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2451 // 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	2452 if (props.get_edgealpha_double () == 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	2453 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2454 if (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	2455 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2456 glColor3dv (ecolor.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	2457 if (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	2458 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2459 float cb[4] = { 0, 0, 0, 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	2460
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2461 for (int i = 0; i < 3; 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	2462 cb[i] = (as * ecolor(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	2463 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2464
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2465 for (int i = 0; i < 3; i++)
8674 0d263850d582 Fix calculation of diffuse reflectance. Calculate surface normals here now. Kai Habel parents: 8377 diff changeset	2466 cb[i] = ds * ecolor(i);
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	2467 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2468 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2469 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2470
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2471 if (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	2472 glEnable (GL_LIGHTING);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2473
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2474 set_linestyle (props.get_linestyle (), 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	2475 set_linewidth (props.get_linewidth ());
8ff92634982d Add initial 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
8ff92634982d Add initial 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 // FIXME: use __index__ property from patch object; should we
8ff92634982d Add initial 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 // offset patch contour as well?
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2479 patch_tesselator tess (this, ec_mode, el_mode);
8ff92634982d Add initial 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
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2481 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	2482 {
8ff92634982d Add initial 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 if (clip_f(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	2484 continue;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2485
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2486 tess.begin_polygon (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	2487 tess.begin_contour ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2488
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2489 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	2490 {
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2491 vertex_data::vertex_data_rep vv = vdata[i+jfr].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	2492
8ff92634982d Add initial 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 tess.add_vertex (vv->coords.fortran_vec (), vv);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2494 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2495
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2496 tess.end_contour ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2497 tess.end_polygon ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2498 }
8ff92634982d Add initial 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
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2500 set_linestyle ("-");
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2501 set_linewidth (0.5);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2502
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2503 if (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	2504 glDisable (GL_LIGHTING);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2505 }
8ff92634982d Add initial 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 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	2507 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2508 // FIXME: implement transparency
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2509 }
8ff92634982d Add initial 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
8ff92634982d Add initial 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 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	2513 ! (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	2514 {
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2515 bool do_edge = ! props.markeredgecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2516 bool do_face = ! props.markerfacecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2517
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2518 Matrix mecolor = props.get_markeredgecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2519 Matrix mfcolor = props.get_markerfacecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2520 Matrix cc (1, 3, 0.0);
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2521
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2522 if (mecolor.numel () == 0 && props.markeredgecolor_is ("auto"))
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2523 {
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2524 mecolor = props.get_edgecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2525 do_edge = ! props.edgecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2526 }
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2527
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2528 if (mfcolor.numel () == 0 && props.markerfacecolor_is ("auto"))
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2529 {
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2530 mfcolor = props.get_facecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2531 do_face = ! props.facecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2532 }
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2533
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2534 init_marker (props.get_marker (), props.get_markersize (),
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2535 props.get_linewidth ());
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2536
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2537 for (int i = 0; i < nf; i++)
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2538 for (int j = 0; j < count_f(i); j++)
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2539 {
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2540 int idx = int (f(i,j) - 1);
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2541
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2542 if (clip(idx))
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2543 continue;
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2544
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2545 Matrix lc = (do_edge ? (mecolor.numel () == 0 ?
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2546 vdata[i+j*fr].get_rep ()->color : mecolor)
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2547 : Matrix ());
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2548 Matrix fc = (do_face ? (mfcolor.numel () == 0 ?
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2549 vdata[i+j*fr].get_rep ()->color : mfcolor)
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2550 : Matrix ());
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2551
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2552 draw_marker (v(idx,0), v(idx,1), (has_z ? v(idx,2) : 0), lc, fc);
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2553 }
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2554
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2555 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	2556 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2557 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2558
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2559 void
7866 35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2560 opengl_renderer::draw (const hggroup::properties &props)
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2561 {
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2562 draw (props.get_children ());
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2563 }
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2564
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2565 void
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2566 opengl_renderer::set_viewport (int w, int h)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2567 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2568 glViewport (0, 0, w, h);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2569 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2570
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2571 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2572 opengl_renderer::set_color (const Matrix& c)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2573 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2574 glColor3dv (c.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2575 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2576
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2577 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2578 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	2579 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2580 if (on)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2581 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2582 glPolygonOffset (offset, offset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2583 glEnable (GL_POLYGON_OFFSET_FILL);
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2584 glEnable (GL_POLYGON_OFFSET_LINE);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2585 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2586 else
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2587 {
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2588 glDisable (GL_POLYGON_OFFSET_FILL);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2589 glDisable (GL_POLYGON_OFFSET_LINE);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2590 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2591 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2592
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2593 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2594 opengl_renderer::set_linewidth (float w)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2595 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2596 glLineWidth (w);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2597 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2598
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2599 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2600 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	2601 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2602 bool solid = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2603
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2604 if (s == "-")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2605 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2606 glLineStipple (1, static_cast<unsigned short> (0xFFFF));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2607 solid = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2608 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2609 else if (s == ":")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2610 glLineStipple (1, static_cast<unsigned short> (0x8888));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2611 else if (s == "--")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2612 glLineStipple (1, static_cast<unsigned short> (0x0FFF));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2613 else if (s == "-.")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2614 glLineStipple (1, static_cast<unsigned short> (0x020F));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2615 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2616 glLineStipple (1, static_cast<unsigned short> (0x0000));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2617
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2618 if (solid && ! use_stipple)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2619 glDisable (GL_LINE_STIPPLE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2620 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2621 glEnable (GL_LINE_STIPPLE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2622 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2623
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2624 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2625 opengl_renderer::set_clipbox (double x1, double x2, double y1, double y2,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2626 double z1, double z2)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2627 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2628 double dx = (x2-x1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2629 double dy = (y2-y1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2630 double dz = (z2-z1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2631
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2632 x1 -= 0.001dx; x2 += 0.001dx;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2633 y1 -= 0.001dy; y2 += 0.001dy;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2634 z1 -= 0.001dz; z2 += 0.001dz;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2635
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2636 ColumnVector p (4, 0.0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2637
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2638 p(0) = -1; p(3) = x2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2639 glClipPlane (GL_CLIP_PLANE0, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2640 p(0) = 1; p(3) = -x1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2641 glClipPlane (GL_CLIP_PLANE1, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2642 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	2643 glClipPlane (GL_CLIP_PLANE2, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2644 p(1) = 1; p(3) = -y1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2645 glClipPlane (GL_CLIP_PLANE3, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2646 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	2647 glClipPlane (GL_CLIP_PLANE4, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2648 p(2) = 1; p(3) = -z1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2649 glClipPlane (GL_CLIP_PLANE5, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2650
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2651 xmin = x1; xmax = x2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2652 ymin = y1; ymax = y2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2653 zmin = z1; zmax = z2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2654 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2655
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2656 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2657 opengl_renderer::set_clipping (bool enable)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2658 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2659 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	2660
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2661 if (enable != has_clipping)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2662 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2663 if (enable)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2664 for (int i = 0; i < 6; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2665 glEnable (GL_CLIP_PLANE0+i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2666 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2667 for (int i = 0; i < 6; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2668 glDisable (GL_CLIP_PLANE0+i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2669 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2670 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2671
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2672 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2673 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	2674 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2675 int vw[4];
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2676
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2677 glGetIntegerv (GL_VIEWPORT, vw);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2678
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2679 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2680 glPushMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2681 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2682 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	2683 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2684 glPushMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2685
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2686 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2687 set_linewidth (width);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2688
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2689 marker_id = make_marker_list (m, size, false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2690 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	2691 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2692
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2693 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2694 opengl_renderer::end_marker (void)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2695 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2696 glDeleteLists (marker_id, 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2697 glDeleteLists (filled_marker_id, 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2698
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2699 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2700 glPopMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2701 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2702 glPopMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2703 set_linewidth (0.5f);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2704 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2705
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2706 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2707 opengl_renderer::draw_marker (double x, double y, double z,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2708 const Matrix& lc, const Matrix& fc)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2709 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2710 ColumnVector tmp = xform.transform (x, y, z, false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2711
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2712 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2713 glTranslated (tmp(0), tmp(1), -tmp(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2714
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2715 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	2716 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2717 glColor3dv (fc.data ());
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2718 set_polygon_offset (true, -1.0);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2719 glCallList (filled_marker_id);
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2720 if (lc.numel () > 0)
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2721 {
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2722 glColor3dv (lc.data ());
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2723 glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2724 glEdgeFlag (GL_TRUE);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2725 set_polygon_offset (true, -2.0);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2726 glCallList (filled_marker_id);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2727 glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2728 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2729 set_polygon_offset (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2730 }
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2731 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	2732 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2733 glColor3dv (lc.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2734 glCallList (marker_id);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2735 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2736 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2737
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2738 unsigned int
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2739 opengl_renderer::make_marker_list (const std::string& marker, double size,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2740 bool filled) const
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2741 {
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2742 char c = marker[0];
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2743
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2744 if (filled && (c == '+' \|\| c == 'x' \|\| c == '*' \|\| c == '.'))
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2745 return 0;
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2746
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2747 unsigned int ID = glGenLists (1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2748 double sz = size * backend.get_screen_resolution () / 72.0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2749
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2750 // constants for the * marker
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2751 const double sqrt2d4 = 0.35355339059327;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2752 double tt = sz*sqrt2d4;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2753
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2754 glNewList (ID, GL_COMPILE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2755
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2756 switch (marker[0])
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2757 {
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2758 case '+':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2759 glBegin (GL_LINES);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2760 glVertex2f (-sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2761 glVertex2f (sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2762 glVertex2f (0 ,-sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2763 glVertex2f (0 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2764 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2765 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2766 case 'x':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2767 glBegin(GL_LINES);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2768 glVertex2f (-sz/2 ,-sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2769 glVertex2f (sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2770 glVertex2f (-sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2771 glVertex2f (sz/2 ,-sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2772 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2773 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2774 case '*':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2775 glBegin (GL_LINES);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2776 glVertex2f (-sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2777 glVertex2f (sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2778 glVertex2f (0 ,-sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2779 glVertex2f (0 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2780 glVertex2f (-tt ,-tt );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2781 glVertex2f (+tt ,+tt );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2782 glVertex2f (-tt ,+tt );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2783 glVertex2f (+tt ,-tt );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2784 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2785 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2786 case '.':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2787 glBegin (GL_POLYGON);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2788 glVertex2f (-sz/10, -sz/10);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2789 glVertex2f (-sz/10, sz/10 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2790 glVertex2f (sz/10 , sz/10 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2791 glVertex2f (sz/10 , -sz/10);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2792 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2793 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2794 case 's':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2795 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2796 glVertex2d (-sz/2, -sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2797 glVertex2d (-sz/2, sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2798 glVertex2d ( sz/2, sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2799 glVertex2d ( sz/2, -sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2800 glEnd();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2801 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2802 case 'o':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2803 {
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2804 double ang_step = M_PI / 5;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2805
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2806 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2807 for (double ang = 0; ang < (2*M_PI); ang += ang_step)
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2808 glVertex2d (szcos(ang)/2, szsin(ang)/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2809 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2810 }
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2811 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2812 case 'd':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2813 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2814 glVertex2d ( 0, -sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2815 glVertex2d ( sz/2, 0);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2816 glVertex2d ( 0, sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2817 glVertex2d (-sz/2, 0);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2818 glEnd();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2819 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2820 case '^':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2821 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2822 glVertex2f (0 , sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2823 glVertex2f (sz/2 , -sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2824 glVertex2f (-sz/2 , -sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2825 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2826 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2827 case 'v':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2828 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2829 glVertex2f (0 ,-sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2830 glVertex2f (-sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2831 glVertex2f (sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2832 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2833 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2834 case '>':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2835 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2836 glVertex2f (sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2837 glVertex2f (-sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2838 glVertex2f (-sz/2 ,-sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2839 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2840 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2841 case '<':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2842 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2843 glVertex2f (-sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2844 glVertex2f (sz/2 ,-sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2845 glVertex2f (sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2846 glEnd ();
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2847 break;
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2848 default:
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2849 warning ("opengl_renderer: unsupported marker `%s'",
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2850 marker.c_str ());
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2851 break;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2852 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2853
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2854 glEndList ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2855
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2856 return ID;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2857 }
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2858
7954 3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	2859 #endif
3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	2860
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2861 /*
e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2862 ;;; Local Variables: ***
e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2863 ;;; mode: C++ ***
e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2864 ;;; End: ***
e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2865 */

Mercurial > octave

annotate src/gl-render.cc @ 8674:0d263850d582