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-rwxr-xr-xexamples/opengl/samplebuffers.py67
1 files changed, 57 insertions, 10 deletions
diff --git a/examples/opengl/samplebuffers.py b/examples/opengl/samplebuffers.py
index f738b7d..eabcdd3 100755
--- a/examples/opengl/samplebuffers.py
+++ b/examples/opengl/samplebuffers.py
@@ -1,19 +1,61 @@
#!/usr/bin/env python
-"""PySide port of the opengl/samplebuffers example from Qt v4.x"""
+############################################################################
+##
+## Copyright (C) 2013 Riverbank Computing Limited.
+## Copyright (C) 2016 The Qt Company Ltd.
+## Contact: http://www.qt.io/licensing/
+##
+## This file is part of the PySide examples of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:BSD$
+## 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."
+##
+## $QT_END_LICENSE$
+##
+############################################################################
+
+"""PySide2 port of the opengl/legacy/samplebuffers example from Qt v5.x"""
import sys
import math
-from PySide2 import QtCore, QtGui, QtOpenGL
+from PySide2 import QtCore, QtGui, QtWidgets, QtOpenGL
try:
from OpenGL import GL
except ImportError:
- app = QtGui.QApplication(sys.argv)
- QtGui.QMessageBox.critical(None, "OpenGL samplebuffers",
- "PyOpenGL must be installed to run this example.",
- QtGui.QMessageBox.Ok | QtGui.QMessageBox.Default,
- QtGui.QMessageBox.NoButton)
+ app = QtWidgets.QApplication(sys.argv)
+ messageBox = QtWidgets.QMessageBox(QtWidgets.QMessageBox.Critical, "OpenGL samplebuffers",
+ "PyOpenGL must be installed to run this example.",
+ QtWidgets.QMessageBox.Close)
+ messageBox.setDetailedText("Run:\npip install PyOpenGL PyOpenGL_accelerate")
+ messageBox.exec_()
sys.exit(1)
@@ -125,9 +167,13 @@ class GLWidget(QtOpenGL.QGLWidget):
GL.glEnd()
+ def freeResources(self):
+ self.makeCurrent()
+ GL.glDeleteLists(self.list_, 1)
+
if __name__ == '__main__':
- app = QtGui.QApplication(sys.argv)
+ app = QtWidgets.QApplication(sys.argv)
if not QtOpenGL.QGLFormat.hasOpenGL():
QMessageBox.information(0, "OpenGL pbuffers",
@@ -142,5 +188,6 @@ if __name__ == '__main__':
widget = GLWidget()
widget.resize(640, 480)
widget.show()
-
- sys.exit(app.exec_())
+ res = app.exec_()
+ widget.freeResources()
+ sys.exit(res)