diff options
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_opengl_qgl.cpp')
| -rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_opengl_qgl.cpp | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_opengl_qgl.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_opengl_qgl.cpp deleted file mode 100644 index 264cf0888..000000000 --- a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_opengl_qgl.cpp +++ /dev/null @@ -1,168 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of Qt for Python. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -//! [0] -fmt = QGLFormat() -fmt.setAlpha(True) -fmt.setStereo(True) -QGLFormat.setDefaultFormat(fmt) -//! [0] - - -//! [1] -fmt = QGLFormat() -fmt.setDoubleBuffer(False) # single buffer -fmt.setDirectRendering(False) # software rendering -myWidget = MyGLWidget(fmt, ...) -//! [1] - - -//! [2] -fmt = QGLFormat() -fmt.setOverlay(True) -fmt.setStereo(True) -myWidget = MyGLWidget(fmt, ...) -if !myWidget.format().stereo(): - # ok, goggles off - if !myWidget.format().hasOverlay(): - print "Cool hardware required" -//! [2] - - -//! [3] -# The rendering in MyGLWidget depends on using -# stencil buffer and alpha channel - -class MyGLWidget(QGLWidget): - def __init__(self, parent): - QGLWidget.__init__(self, QGLFormat(QGL.StencilBuffer | QGL.AlphaChannel), parent) - - if !format().stencil(): - print "Could not get stencil buffer results will be suboptimal" - if !format().alpha(): - print "Could not get alpha channel results will be suboptimal" - ... -//! [3] - - -//! [4] -a = QApplication([]) -f = QGLFormat() -f.setDoubleBuffer(False) -QGLFormat.setDefaultFormat(f) -//! [4] - - -//! [5] -f = QGLFormat.defaultOverlayFormat() -f.setDoubleBuffer(True) -QGLFormat.setDefaultOverlayFormat(f) -//! [5] - - -//! [6] -# ...continued from above -myWidget = MyGLWidget(QGLFormat(QGL.HasOverlay), ...) -if myWidget.format().hasOverlay(): - # Yes, we got an overlay, let's check _its_ format: - olContext = myWidget.overlayContext() - if olContext.format().doubleBuffer(): - # yes, we got a double buffered overlay - else: - # no, only single buffered overlays are available -//! [6] - - -//! [7] -cx = QGLContext() -# ... -f = QGLFormat() -f.setStereo(True) -cx.setFormat(f) -if !cx.create(): - exit() # no OpenGL support, or cannot render on the specified paintdevice -if !cx.format().stereo(): - exit() # could not create stereo context -//! [7] - - -//! [8] -class MyGLDrawer(QGLWidget): - - def __init__(self, parent): - QGLWidget.__init__(self, parent) - pass - - def initializeGL(self): - # Set up the rendering context, define display lists etc.: - ... - glClearColor(0.0, 0.0, 0.0, 0.0) - glEnable(GL_DEPTH_TEST) - ... - - def resizeGL(self, w, h): - # setup viewport, projection etc.: - glViewport(0, 0, w, h) - ... - glFrustum(...) - ... - - def paintGL(self): - # draw the scene: - ... - glRotatef(...) - glMaterialfv(...) - glBegin(GL_QUADS) - glVertex3f(...) - glVertex3f(...) - ... - glEnd() - ... -//! [8] |