octave: libgui/graphics/gl-select.cc annotate

annotate libgui/graphics/gl-select.cc @ 21196:bd96c2efd4fe

move include statements for OpenGL headers to a single file * oct-opengl.h: New file. * libinterp/corefcn/module.mk: Update. * Canvas.cc, gl-select.cc, gl-select.h, gl-render.cc, gl-render.h, gl2ps-renderer.cc, __init_fltk__.cc, __osmesa_print__.cc: Update include statements.

author	John W. Eaton <jwe@octave.org>
date	Thu, 04 Feb 2016 16:56:02 -0500
parents	7395fdd45d5f
children	710e700cdd7f

rev	line source
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	1 /*
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	2
20003 f0e61a67ad9f Update copyright year in Qt graphics code. John W. Eaton <jwe@octave.org> parents: 19864 diff changeset	3 Copyright (C) 2011-2015 Michael Goffioul
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	4
18500 49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	5 This file is part of Octave.
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	6
18500 49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	7 Octave is free software; you can redistribute it and/or modify it
49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	8 under the terms of the GNU General Public License as published by the
49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	10 option) any later version.
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	11
18500 49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	15 for more details.
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	16
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	17 You should have received a copy of the GNU General Public License
18500 49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	18 along with Octave; see the file COPYING. If not, see
49877d3be064 update copyright notices for new QtHandles code John W. Eaton <jwe@octave.org> parents: 18498 diff changeset	19 <http://www.gnu.org/licenses/>.
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	20
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	21 */
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	22
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	23 #ifdef HAVE_CONFIG_H
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	24 #include <config.h>
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	25 #endif
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	26
21196 bd96c2efd4fe move include statements for OpenGL headers to a single file John W. Eaton <jwe@octave.org> parents: 20519 diff changeset	27 #include <iostream>
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	28
21196 bd96c2efd4fe move include statements for OpenGL headers to a single file John W. Eaton <jwe@octave.org> parents: 20519 diff changeset	29 #include "gl-select.h"
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	30
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	31 void
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	32 opengl_selector::apply_pick_matrix (void)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	33 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	34 GLdouble p_matrix[16];
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	35 GLint viewport[4];
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	36
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	37 glGetDoublev (GL_PROJECTION_MATRIX, p_matrix);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	38 glGetIntegerv (GL_VIEWPORT, viewport);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	39 glMatrixMode (GL_PROJECTION);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	40 glLoadIdentity ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	41 gluPickMatrix (xp, yp, size, size, viewport);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	42 glMultMatrixd (p_matrix);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	43 glMatrixMode (GL_MODELVIEW);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	44 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	45
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	46 void
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	47 opengl_selector::setup_opengl_transformation (const axes::properties& props)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	48 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	49 opengl_renderer::setup_opengl_transformation (props);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	50 apply_pick_matrix ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	51 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	52
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	53 void
19595 be7ac98fab43 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 18696 diff changeset	54 opengl_selector::init_marker (const std::string& m, double sz, float width)
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	55 {
18696 92f91183630b maint: Silence some compiler warnings in libgui. Rik <rik@octave.org> parents: 18500 diff changeset	56 opengl_renderer::init_marker (m, sz, width);
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	57 apply_pick_matrix ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	58 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	59
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	60 # define BUFFER_SIZE 128
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	61
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	62 graphics_object
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	63 opengl_selector::select (const graphics_object& ax, int x, int y, int flags)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	64 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	65 glEnable (GL_DEPTH_TEST);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	66 glDepthFunc (GL_LEQUAL);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	67
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	68 xp = x;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	69 yp = y;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	70
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	71 GLuint select_buffer[BUFFER_SIZE];
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	72
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	73 glSelectBuffer (BUFFER_SIZE, select_buffer);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	74 glRenderMode (GL_SELECT);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	75 glInitNames ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	76
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	77 object_map.clear ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	78
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	79 draw (ax);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	80
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	81 int hits = glRenderMode (GL_RENDER);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	82 graphics_object obj;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	83
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	84 if (hits > 0)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	85 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	86 GLuint current_minZ = 0xffffffff;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	87 GLuint current_name = 0xffffffff;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	88
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	89 for (int i = 0, j = 0; i < hits && j < BUFFER_SIZE-3; i++)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	90 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	91 GLuint n = select_buffer[j++],
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	92 minZ = select_buffer[j++];
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	93
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	94 j++; // skip maxZ
19864 17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions. John W. Eaton <jwe@octave.org> parents: 19595 diff changeset	95 if (((flags & select_last) == 0 && (minZ <= current_minZ))
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions. John W. Eaton <jwe@octave.org> parents: 19595 diff changeset	96 \|\| ((flags & select_last) != 0 && (minZ >= current_minZ)))
18498 2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	97 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	98 bool candidate = true;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	99 GLuint name =
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	100 select_buffer[std::min (j + n, GLuint (BUFFER_SIZE)) - 1];
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	101
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	102 if ((flags & select_ignore_hittest) == 0)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	103 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	104 graphics_object go = object_map[name];
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	105
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	106 if (! go.get_properties ().is_hittest ())
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	107 candidate = false;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	108 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	109
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	110 if (candidate)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	111 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	112 current_minZ = minZ;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	113 current_name = name;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	114 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	115
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	116 j += n;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	117 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	118 else
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	119 j += n;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	120 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	121
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	122 if (current_name != 0xffffffff)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	123 obj = object_map[current_name];
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	124 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	125 else if (hits < 0)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	126 warning ("opengl_selector::select: selection buffer overflow");
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	127
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	128 object_map.clear ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	129
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	130 return obj;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	131 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	132
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	133 void
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	134 opengl_selector::draw (const graphics_object& go, bool toplevel)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	135 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	136 GLuint name = object_map.size ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	137
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	138 object_map[name] = go;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	139 glPushName (name);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	140 opengl_renderer::draw (go, toplevel);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	141 glPopName ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	142 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	143
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	144 void
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	145 opengl_selector::fake_text (double x, double y, double z, const Matrix& bbox,
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	146 bool use_scale)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	147 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	148 ColumnVector xpos, xp1, xp2;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	149
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	150 xpos = get_transform ().transform (x, y, z, use_scale);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	151
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	152 xp1 = xp2 = xpos;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	153 xp1(0) += bbox(0);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	154 xp1(1) -= bbox(1);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	155 xp2(0) += (bbox(0) + bbox(2));
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	156 xp2(1) -= (bbox(1) + bbox(3));
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	157
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	158 ColumnVector p1, p2, p3, p4;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	159
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	160 p1 = get_transform ().untransform (xp1(0), xp1(1), xp1(2), false);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	161 p2 = get_transform ().untransform (xp2(0), xp1(1), xp1(2), false);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	162 p3 = get_transform ().untransform (xp2(0), xp2(1), xp1(2), false);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	163 p4 = get_transform ().untransform (xp1(0), xp2(1), xp1(2), false);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	164
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	165 glBegin (GL_QUADS);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	166 glVertex3dv (p1.data ());
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	167 glVertex3dv (p2.data ());
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	168 glVertex3dv (p3.data ());
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	169 glVertex3dv (p4.data ());
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	170 glEnd ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	171 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	172
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	173 void
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	174 opengl_selector::draw_text (const text::properties& props)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	175 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	176 if (props.get_string ().is_empty ())
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	177 return;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	178
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	179 Matrix pos = props.get_data_position ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	180 const Matrix bbox = props.get_extent_matrix ();
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	181
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	182 fake_text (pos(0), pos(1), pos.numel () > 2 ? pos(2) : 0.0, bbox);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	183 }
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	184
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	185 Matrix
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	186 opengl_selector::render_text (const std::string& txt,
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	187 double x, double y, double z,
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	188 int halign, int valign, double rotation)
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	189 {
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	190 #if HAVE_FREETYPE
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	191 uint8NDArray pixels;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	192 Matrix bbox;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	193
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	194 // FIXME: probably more efficient to only compute bbox instead
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	195 // of doing full text rendering...
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	196 text_to_pixels (txt, pixels, bbox, halign, valign, rotation);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	197 fake_text (x, y, z, bbox, false);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	198
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	199 return bbox;
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	200 #else
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	201 return Matrix (1, 4, 0.0);
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	202 #endif
2e7cad6f180c Initial integration of QtHandles. John W. Eaton <jwe@octave.org> parents: diff changeset	203 }
20128 e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	204
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	205 void
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	206 opengl_selector::draw_image (const image::properties& props)
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	207 {
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	208 Matrix xd = props.get_xdata ().matrix_value ();
20269 dc74b700cdec fix crash when selecting an image (bug #45372) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20181 diff changeset	209 octave_idx_type nc = props.get_cdata ().columns ();
20519 7395fdd45d5f Fix selection of one pixel high(wide) images (bug #46049) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20269 diff changeset	210 double x_pix_size = (nc == 1 ? 1 : (xd(1) - xd(0)) / (nc - 1));
20128 e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	211
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	212 Matrix yd = props.get_ydata ().matrix_value ();
20269 dc74b700cdec fix crash when selecting an image (bug #45372) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20181 diff changeset	213 octave_idx_type nr = props.get_cdata ().rows ();
20519 7395fdd45d5f Fix selection of one pixel high(wide) images (bug #46049) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20269 diff changeset	214 double y_pix_size = (nr == 1 ? 1 : (yd(1) - yd(0)) / (nr - 1));
20128 e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	215
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	216 ColumnVector p1(3, 0.0), p2(3, 0.0), p3(3, 0.0), p4(3, 0.0);
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	217 p1(0) = xd(0) - x_pix_size/2;
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	218 p1(1) = yd(0) - y_pix_size/2;
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	219
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	220 p2(0) = xd(1) + x_pix_size/2;
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	221 p2(1) = yd(0) - y_pix_size/2;
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	222
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	223 p3(0) = xd(1) + x_pix_size/2;
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	224 p3(1) = yd(1) + y_pix_size/2;
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	225
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	226 p4(0) = xd(0) - x_pix_size/2;
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	227 p4(1) = yd(1) + y_pix_size/2;
20181 aa36fb998a4d maint: Remove unnecessary whitespace at end of lines. Rik <rik@octave.org> parents: 20128 diff changeset	228
20128 e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	229 glBegin (GL_QUADS);
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	230 glVertex3dv (p1.data ());
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	231 glVertex3dv (p2.data ());
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	232 glVertex3dv (p3.data ());
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	233 glVertex3dv (p4.data ());
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	234 glEnd ();
e05fe4260252 Handle mouse interaction with image objects (bug #44691) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 20003 diff changeset	235 }

Mercurial > octave

annotate libgui/graphics/gl-select.cc @ 21196:bd96c2efd4fe