Mercurial > octave

annotate libgui/graphics/GLCanvas.cc @ 24798:45470049a43f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Allow getframe and print to work without osmesa (bug #53186). * NEWS: Announce support for printing invisible qt figures without osmesa. * __opengl_print__.m: Allow invisible figures to be printed with qt if QOFFSCREENSURFACE is present. * getframe.m: Allow using __get_frame__ on invisible qt figures if QOFFSCREENSURFACE is present. * Backenc.cc (Backend::get_pixels): Don't restrict to visible figures. * Canvas.h/cc (Canvas::do_print): New pure virtual function (Canvas::print): Call do_print. * GLCanvas.h/cc (GLCanvas::begin_rendering): New methods to make sure a valid OpenGL context is made current before rendering. (GLCanvas::end_rendering): Call doneCurrent. (GLCanvas::getPixels): Make use of begin/end_rendering. If the figure is not visible or its size is frozen, draw on a framebuffer object of suitable size. (GLCanvas::do_print): Move code for OpenGL printing here. Make use of begin/end_rendering. * acinclude.m4: Add test for presence and usability of QOffscreenSurface. * configure.ac: Allow building the manual with qt if QOffscreenSurface is OK. * geometryimages.m, interpimages.m, plotimages.m, sparseimages.m, splineimages.m: Allow using qt toolkit to generate images for the manual when QOFFSCREENSURFACE is present.
author Pantxo Diribarne <pantxo.diribarne@gmail.com>
date Fri, 23 Feb 2018 14:33:55 +0100
parents b658e0fa0cb3
children ae6679369a80
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
23219
3ac9f9ecfae5 maint: Update copyright dates.
John W. Eaton <jwe@octave.org>
parents: 23215
diff changeset
3 Copyright (C) 2011-2017 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
24534
194eb4bd202b maint: Update punctuation for GPL v3 license text.
Rik <rik@octave.org>
parents: 24142
diff changeset
7 Octave is free software: you can redistribute it and/or modify it
22755
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22490
diff changeset
8 under the terms of the GNU General Public License as published by
24534
194eb4bd202b maint: Update punctuation for GPL v3 license text.
Rik <rik@octave.org>
parents: 24142
diff changeset
9 the Free Software Foundation, either version 3 of the License, or
22755
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22490
diff changeset
10 (at your option) any later version.
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
11
22755
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22490
diff changeset
12 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22490
diff changeset
13 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22490
diff changeset
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents: 22490
diff changeset
15 GNU General Public License 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
24534
194eb4bd202b maint: Update punctuation for GPL v3 license text.
Rik <rik@octave.org>
parents: 24142
diff changeset
19 <https://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
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21692
diff changeset
23 #if defined (HAVE_CONFIG_H)
21301
40de9f8f23a6 Use '#include "config.h"' rather than <config.h>.
Rik <rik@octave.org>
parents: 21203
diff changeset
24 # include "config.h"
18498
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
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
27 #include "gl-render.h"
24798
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
28 #include "gl2ps-print.h"
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
29 #include "graphics.h"
24798
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
30 #include "octave-link.h"
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
31
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
32 #include "GLCanvas.h"
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
33 #include "gl-select.h"
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
34
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
35 namespace QtHandles
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
36 {
24142
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
37 #if defined (HAVE_QOPENGLWIDGET)
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
38 # define OCTAVE_QT_OPENGL_WIDGET_FORMAT_ARGS
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
39 #else
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
40 # if defined (Q_OS_WIN32)
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
41 # define OCTAVE_QT_OPENGL_WIDGET_FORMAT_ARGS \
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
42 QGLFormat (QGL::SampleBuffers | QGL::AlphaChannel \
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
43 | QGL::IndirectRendering),
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
44 # else
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
45 # define OCTAVE_QT_OPENGL_WIDGET_FORMAT_ARGS \
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
46 QGLFormat (QGL::SampleBuffers | QGL::AlphaChannel),
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
47 # endif
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
48 #endif
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
49
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
50 GLCanvas::GLCanvas (QWidget *xparent, const graphics_handle& gh)
24142
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
51 : OCTAVE_QT_OPENGL_WIDGET (OCTAVE_QT_OPENGL_WIDGET_FORMAT_ARGS xparent),
22490
49103c6e0782 Enable AlphaChannel in Qt GLCanvas.
Rik <rik@octave.org>
parents: 22417
diff changeset
52 Canvas (gh)
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
53 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
54 setFocusPolicy (Qt::ClickFocus);
23070
bef714f45999 maint: Use space after function name/before parenthesis in libgui.
Rik <rik@octave.org>
parents: 22755
diff changeset
55 setFocus ();
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
56 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
57
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
58 GLCanvas::~GLCanvas (void)
22417
48c00363dc74 maint: Use '{ }' for empty function bodies in C++.
Rik <rik@octave.org>
parents: 22413
diff changeset
59 { }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
60
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
61 void
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
62 GLCanvas::draw (const graphics_handle& gh)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
63 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
64 gh_manager::auto_lock lock;
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
65 graphics_object go = gh_manager::get_object (gh);
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
66
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
67 if (go)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
68 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
69 octave::opengl_renderer r;
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
70
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
71 r.set_viewport (width (), height ());
23070
bef714f45999 maint: Use space after function name/before parenthesis in libgui.
Rik <rik@octave.org>
parents: 22755
diff changeset
72 r.draw (go);
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
73 }
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
74 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
75
23535
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
76 uint8NDArray
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
77 GLCanvas::do_getPixels (const graphics_handle& gh)
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
78 {
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
79 uint8NDArray retval;
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
80 graphics_object go = gh_manager::get_object (gh);
24798
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
81
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
82 if (go && go.isa ("figure"))
23535
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
83 {
24798
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
84 Matrix pos = go.get ("position").matrix_value ();
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
85
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
86 // Make sure we have a valid current context
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
87 if (! begin_rendering ())
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
88 return retval;
23535
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
89
24798
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
90 // When the figure is not visible or its size is frozen for printing,
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
91 // we use a framebuffer object to make sure we are rendering on a
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
92 // suitably large frame.
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
93 if (go.get ("visible").string_value () == "off"
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
94 || go.get ("__printing__").string_value () == "on")
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
95 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
96 OCTAVE_QT_OPENGL_FBO
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
97 fbo (pos(2), pos(3),OCTAVE_QT_OPENGL_FBO::Attachment::Depth);
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
98
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
99 fbo.bind ();
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
100
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
101 octave::opengl_renderer r;
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
102 r.set_viewport (pos(2), pos(3));
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
103 r.draw (go);
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
104 retval = r.get_pixels (pos(2), pos(3));
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
105
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
106 fbo.release ();
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
107 }
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
108 else
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
109 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
110 octave::opengl_renderer r;
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
111 r.set_viewport (pos(2), pos(3));
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
112 r.draw (go);
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
113 retval = r.get_pixels (pos(2), pos(3));
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
114 }
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
115
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
116 end_rendering ();
23535
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
117 }
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
118
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
119 return retval;
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
120 }
24798
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
121
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
122 void
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
123 GLCanvas::do_print (const QString& file_cmd, const QString& term,
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
124 const graphics_handle& handle)
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
125 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
126 gh_manager::auto_lock lock;
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
127 graphics_object obj = gh_manager::get_object (handle);
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
128
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
129 if (obj.valid_object ())
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
130 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
131 graphics_object figObj (obj.get_ancestor ("figure"));
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
132 try
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
133 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
134 // Make sure we have a valid current context
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
135 if (! begin_rendering ())
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
136 error ("print: no valid OpenGL offscreen context");
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
137
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
138 octave::gl2ps_print (figObj, file_cmd.toStdString (),
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
139 term.toStdString ());
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
140 }
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
141 catch (octave::execution_exception e)
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
142 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
143 octave_link::post_exception (std::current_exception ());
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
144 end_rendering ();
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
145 }
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
146 }
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
147 }
23535
2aab625b502c Add getframe function for opengl based toolkits (bug #48195)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23449
diff changeset
148
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
149 void
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
150 GLCanvas::toggleAxes (const graphics_handle& gh)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
151 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
152 canvasToggleAxes (gh);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
153 }
19663
dfea01b3425f more mouse interaction features for Qt plotting widget
John W. Eaton <jwe@octave.org>
parents: 19642
diff changeset
154
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
155 void
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
156 GLCanvas::toggleGrid (const graphics_handle& gh)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
157 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
158 canvasToggleGrid (gh);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
159 }
19663
dfea01b3425f more mouse interaction features for Qt plotting widget
John W. Eaton <jwe@octave.org>
parents: 19642
diff changeset
160
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
161 void
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
162 GLCanvas::autoAxes (const graphics_handle& gh)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
163 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
164 canvasAutoAxes (gh);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
165 }
19870
815db217f6f4 provide autoscale option for Qt plotting (bug #44307)
John W. Eaton <jwe@octave.org>
parents: 19663
diff changeset
166
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
167 graphics_object
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
168 GLCanvas::selectFromAxes (const graphics_object& ax, const QPoint& pt)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
169 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
170 makeCurrent ();
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
171
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
172 if (ax)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
173 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
174 octave::opengl_selector s;
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
175
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
176 s.set_viewport (width (), height ());
24691
b658e0fa0cb3 maint: Remove trailing whitespace from files.
Rik <rik@octave.org>
parents: 24636
diff changeset
177 return s.select (ax, pt.x (), height () - pt.y (),
24636
9d01ce02d5cb Make selection and "HitTest" compatible with Matlab (bug #52795).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24534
diff changeset
178 octave::select_ignore_hittest);
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
179 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
180
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
181 return graphics_object ();
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
182 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
183
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
184 inline void
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
185 glDrawZoomBox (const QPoint& p1, const QPoint& p2)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
186 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
187 glVertex2d (p1.x (), p1.y ());
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
188 glVertex2d (p2.x (), p1.y ());
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
189 glVertex2d (p2.x (), p2.y ());
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
190 glVertex2d (p1.x (), p2.y ());
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
191 glVertex2d (p1.x (), p1.y ());
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
192 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
193
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
194 void
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
195 GLCanvas::drawZoomBox (const QPoint& p1, const QPoint& p2)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
196 {
23215
0842b119dc1b Fix opengl "invalid operation" when zooming (bug #50317)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23083
diff changeset
197 glMatrixMode (GL_MODELVIEW);
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
198 glPushMatrix ();
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
199 glLoadIdentity ();
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
200
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
201 glMatrixMode (GL_PROJECTION);
23215
0842b119dc1b Fix opengl "invalid operation" when zooming (bug #50317)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23083
diff changeset
202 glPushMatrix ();
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
203 glLoadIdentity ();
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
204 glOrtho (0, width (), height (), 0, 1, -1);
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
205
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
206 glPushAttrib (GL_DEPTH_BUFFER_BIT | GL_CURRENT_BIT);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
207 glDisable (GL_DEPTH_TEST);
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
208
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
209 glBegin (GL_POLYGON);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
210 glColor4f (0.45, 0.62, 0.81, 0.1);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
211 glDrawZoomBox (p1, p2);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
212 glEnd ();
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
213
23215
0842b119dc1b Fix opengl "invalid operation" when zooming (bug #50317)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23083
diff changeset
214 glLineWidth (1.5);
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
215 glBegin (GL_LINE_STRIP);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
216 glColor4f (0.45, 0.62, 0.81, 0.9);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
217 glDrawZoomBox (p1, p2);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
218 glEnd ();
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
219
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
220 glPopAttrib ();
23215
0842b119dc1b Fix opengl "invalid operation" when zooming (bug #50317)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23083
diff changeset
221
0842b119dc1b Fix opengl "invalid operation" when zooming (bug #50317)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23083
diff changeset
222 glMatrixMode (GL_MODELVIEW);
0842b119dc1b Fix opengl "invalid operation" when zooming (bug #50317)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23083
diff changeset
223 glPopMatrix ();
0842b119dc1b Fix opengl "invalid operation" when zooming (bug #50317)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23083
diff changeset
224
0842b119dc1b Fix opengl "invalid operation" when zooming (bug #50317)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 23083
diff changeset
225 glMatrixMode (GL_PROJECTION);
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
226 glPopMatrix ();
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
227 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
228
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
229 void
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
230 GLCanvas::paintGL (void)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
231 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
232 canvasPaintEvent ();
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
233 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
234
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
235 void
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
236 GLCanvas::mouseDoubleClickEvent (QMouseEvent *xevent)
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
237 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
238 canvasMouseDoubleClickEvent (xevent);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
239 }
19663
dfea01b3425f more mouse interaction features for Qt plotting widget
John W. Eaton <jwe@octave.org>
parents: 19642
diff changeset
240
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
241 void
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
242 GLCanvas::mouseMoveEvent (QMouseEvent *xevent)
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
243 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
244 canvasMouseMoveEvent (xevent);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
245 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
246
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
247 void
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
248 GLCanvas::mousePressEvent (QMouseEvent *xevent)
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
249 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
250 canvasMousePressEvent (xevent);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
251 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
252
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
253 void
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
254 GLCanvas::mouseReleaseEvent (QMouseEvent *xevent)
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
255 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
256 canvasMouseReleaseEvent (xevent);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
257 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
258
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
259 void
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
260 GLCanvas::wheelEvent (QWheelEvent *xevent)
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
261 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
262 canvasWheelEvent (xevent);
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
263 }
19663
dfea01b3425f more mouse interaction features for Qt plotting widget
John W. Eaton <jwe@octave.org>
parents: 19642
diff changeset
264
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
265 void
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
266 GLCanvas::keyPressEvent (QKeyEvent *xevent)
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
267 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
268 if (! canvasKeyPressEvent (xevent))
24142
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
269 OCTAVE_QT_OPENGL_WIDGET::keyPressEvent (xevent);
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
270 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
271
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
272 void
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
273 GLCanvas::keyReleaseEvent (QKeyEvent *xevent)
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
274 {
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
275 if (! canvasKeyReleaseEvent (xevent))
24142
59cdf06c940e use QOpenGLWidget if it is available
John W. Eaton <jwe@octave.org>
parents: 23535
diff changeset
276 OCTAVE_QT_OPENGL_WIDGET::keyReleaseEvent (xevent);
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22326
diff changeset
277 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
278
24798
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
279 bool
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
280 GLCanvas::begin_rendering (void)
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
281 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
282 bool retval = true;
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
283
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
284 if (! isValid ())
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
285 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
286 # if defined (HAVE_QOFFSCREENSURFACE)
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
287 static bool os_ctx_ok = true;
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
288 if (os_ctx_ok && ! m_os_context.isValid ())
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
289 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
290 // Try to initialize offscreen context
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
291 m_os_surface.create ();
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
292 if (! m_os_context.create ())
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
293 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
294 os_ctx_ok = false;
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
295 return false;
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
296 }
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
297 }
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
298
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
299 retval = m_os_context.makeCurrent (&m_os_surface);
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
300 # else
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
301 retval = false;
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
302 # endif
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
303 }
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
304 else
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
305 makeCurrent ();
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
306
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
307 return retval;
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
308 }
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
309
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
310 void
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
311 GLCanvas::end_rendering (void)
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
312 {
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
313 doneCurrent ();
45470049a43f Allow getframe and print to work without osmesa (bug #53186).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 24691
diff changeset
314 }
22413
8758addcf265 maint: Remove ';' at end of namespace declaration.
Rik <rik@octave.org>
parents: 22411
diff changeset
315 }