diff options
Diffstat (limited to 'examples/opengl/grabber.py')
| -rwxr-xr-x | examples/opengl/grabber.py | 117 |
1 files changed, 71 insertions, 46 deletions
diff --git a/examples/opengl/grabber.py b/examples/opengl/grabber.py index d8382ff..2c7dcbb 100755 --- a/examples/opengl/grabber.py +++ b/examples/opengl/grabber.py @@ -1,39 +1,62 @@ #!/usr/bin/env python -############################################################################# +############################################################################ ## -## Copyright (C) 2004-2005 Trolltech AS. All rights reserved. +## 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 example classes of the Qt Toolkit. +## This file is part of the PySide examples of the Qt Toolkit. ## -## This file may be used under the terms of the GNU General Public -## License version 2.0 as published by the Free Software Foundation -## and appearing in the file LICENSE.GPL included in the packaging of -## this file. Please review the following information to ensure GNU -## General Public Licensing requirements will be met: -## http://www.trolltech.com/products/qt/opensource.html +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: ## -## If you are unsure which license is appropriate for your use, please -## review the following information: -## http://www.trolltech.com/products/qt/licensing.html or contact the -## sales department at sales@trolltech.com. +## "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 file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE -## WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ## -############################################################################# +## 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/grabber 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.GL import * except ImportError: - app = QtGui.QApplication(sys.argv) - QtGui.QMessageBox.critical(None, "OpenGL grabber", - "PyOpenGL must be installed to run this example.") + app = QtWidgets.QApplication(sys.argv) + messageBox = QtWidgets.QMessageBox(QtWidgets.QMessageBox.Critical, "OpenGL grabber", + "PyOpenGL must be installed to run this example.", + QtWidgets.QMessageBox.Close) + messageBox.setDetailedText("Run:\npip install PyOpenGL PyOpenGL_accelerate") + messageBox.exec_() sys.exit(1) @@ -57,7 +80,7 @@ class GLWidget(QtOpenGL.QGLWidget): timer.timeout.connect(self.advanceGears) timer.start(20) - def __del__(self): + def freeResources(self): self.makeCurrent() glDeleteLists(self.gear1, 1) glDeleteLists(self.gear2, 1) @@ -128,7 +151,7 @@ class GLWidget(QtOpenGL.QGLWidget): if side < 0: return - glViewport((width - side) / 2, (height - side) / 2, side, side) + glViewport(int((width - side) / 2), int((height - side) / 2), side, side) glMatrixMode(GL_PROJECTION) glLoadIdentity() @@ -263,29 +286,29 @@ class GLWidget(QtOpenGL.QGLWidget): angle -= 360 * 16 -class MainWindow(QtGui.QMainWindow): +class MainWindow(QtWidgets.QMainWindow): def __init__(self): super(MainWindow, self).__init__() - centralWidget = QtGui.QWidget() + centralWidget = QtWidgets.QWidget() self.setCentralWidget(centralWidget) self.glWidget = GLWidget() - self.pixmapLabel = QtGui.QLabel() + self.pixmapLabel = QtWidgets.QLabel() - self.glWidgetArea = QtGui.QScrollArea() + self.glWidgetArea = QtWidgets.QScrollArea() self.glWidgetArea.setWidget(self.glWidget) self.glWidgetArea.setWidgetResizable(True) self.glWidgetArea.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff) self.glWidgetArea.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff) - self.glWidgetArea.setSizePolicy(QtGui.QSizePolicy.Ignored, - QtGui.QSizePolicy.Ignored) + self.glWidgetArea.setSizePolicy(QtWidgets.QSizePolicy.Ignored, + QtWidgets.QSizePolicy.Ignored) self.glWidgetArea.setMinimumSize(50, 50) - self.pixmapLabelArea = QtGui.QScrollArea() + self.pixmapLabelArea = QtWidgets.QScrollArea() self.pixmapLabelArea.setWidget(self.pixmapLabel) - self.pixmapLabelArea.setSizePolicy(QtGui.QSizePolicy.Ignored, - QtGui.QSizePolicy.Ignored) + self.pixmapLabelArea.setSizePolicy(QtWidgets.QSizePolicy.Ignored, + QtWidgets.QSizePolicy.Ignored) self.pixmapLabelArea.setMinimumSize(50, 50) xSlider = self.createSlider(self.glWidget.xRotationChanged, @@ -298,7 +321,7 @@ class MainWindow(QtGui.QMainWindow): self.createActions() self.createMenus() - centralLayout = QtGui.QGridLayout() + centralLayout = QtWidgets.QGridLayout() centralLayout.addWidget(self.glWidgetArea, 0, 0) centralLayout.addWidget(self.pixmapLabelArea, 0, 1) centralLayout.addWidget(xSlider, 1, 0, 1, 2) @@ -328,27 +351,27 @@ class MainWindow(QtGui.QMainWindow): self.setPixmap(QtGui.QPixmap()) def about(self): - QtGui.QMessageBox.about(self, "About Grabber", + QtWidgets.QMessageBox.about(self, "About Grabber", "The <b>Grabber</b> example demonstrates two approaches for " "rendering OpenGL into a Qt pixmap.") def createActions(self): - self.renderIntoPixmapAct = QtGui.QAction("&Render into Pixmap...", + self.renderIntoPixmapAct = QtWidgets.QAction("&Render into Pixmap...", self, shortcut="Ctrl+R", triggered=self.renderIntoPixmap) - self.grabFrameBufferAct = QtGui.QAction("&Grab Frame Buffer", self, + self.grabFrameBufferAct = QtWidgets.QAction("&Grab Frame Buffer", self, shortcut="Ctrl+G", triggered=self.grabFrameBuffer) - self.clearPixmapAct = QtGui.QAction("&Clear Pixmap", self, + self.clearPixmapAct = QtWidgets.QAction("&Clear Pixmap", self, shortcut="Ctrl+L", triggered=self.clearPixmap) - self.exitAct = QtGui.QAction("E&xit", self, shortcut="Ctrl+Q", + self.exitAct = QtWidgets.QAction("E&xit", self, shortcut="Ctrl+Q", triggered=self.close) - self.aboutAct = QtGui.QAction("&About", self, triggered=self.about) + self.aboutAct = QtWidgets.QAction("&About", self, triggered=self.about) - self.aboutQtAct = QtGui.QAction("About &Qt", self, - triggered=QtGui.qApp.aboutQt) + self.aboutQtAct = QtWidgets.QAction("About &Qt", self, + triggered=QtWidgets.qApp.aboutQt) def createMenus(self): self.fileMenu = self.menuBar().addMenu("&File") @@ -363,12 +386,12 @@ class MainWindow(QtGui.QMainWindow): self.helpMenu.addAction(self.aboutQtAct) def createSlider(self, changedSignal, setterSlot): - slider = QtGui.QSlider(QtCore.Qt.Horizontal) + slider = QtWidgets.QSlider(QtCore.Qt.Horizontal) slider.setRange(0, 360 * 16) slider.setSingleStep(16) slider.setPageStep(15 * 16) slider.setTickInterval(15 * 16) - slider.setTickPosition(QtGui.QSlider.TicksRight) + slider.setTickPosition(QtWidgets.QSlider.TicksRight) slider.valueChanged.connect(setterSlot) changedSignal.connect(slider.setValue) @@ -385,8 +408,8 @@ class MainWindow(QtGui.QMainWindow): self.pixmapLabel.resize(size) def getSize(self): - text, ok = QtGui.QInputDialog.getText(self, "Grabber", - "Enter pixmap size:", QtGui.QLineEdit.Normal, + text, ok = QtWidgets.QInputDialog.getText(self, "Grabber", + "Enter pixmap size:", QtWidgets.QLineEdit.Normal, "%d x %d" % (self.glWidget.width(), self.glWidget.height())) if not ok: @@ -405,7 +428,9 @@ class MainWindow(QtGui.QMainWindow): if __name__ == '__main__': - app = QtGui.QApplication(sys.argv) + app = QtWidgets.QApplication(sys.argv) mainWin = MainWindow() mainWin.show() - sys.exit(app.exec_()) + res = app.exec_() + mainWin.glWidget.freeResources() + sys.exit(res) |