diff options
Diffstat (limited to 'examples/opengl/samplebuffers.py')
| -rw-r--r-- | examples/opengl/samplebuffers.py | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/examples/opengl/samplebuffers.py b/examples/opengl/samplebuffers.py deleted file mode 100644 index ad5b79466..000000000 --- a/examples/opengl/samplebuffers.py +++ /dev/null @@ -1,192 +0,0 @@ - -############################################################################ -## -## 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 Qt for Python 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, QtWidgets, QtOpenGL - -try: - from OpenGL import GL -except ImportError: - 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) - - -class GLWidget(QtOpenGL.QGLWidget): - GL_MULTISAMPLE = 0x809D - rot = 0.0 - - def __init__(self, parent=None): - QtOpenGL.QGLWidget.__init__(self, QtOpenGL.QGLFormat(QtOpenGL.QGL.SampleBuffers), parent) - - self.list_ = [] - - self.startTimer(40) - self.setWindowTitle(self.tr("Sample Buffers")) - - def initializeGL(self): - GL.glMatrixMode(GL.GL_PROJECTION) - GL.glLoadIdentity() - GL.glOrtho( -.5, .5, .5, -.5, -1000, 1000) - GL.glMatrixMode(GL.GL_MODELVIEW) - GL.glLoadIdentity() - GL.glClearColor(1.0, 1.0, 1.0, 1.0) - - self.makeObject() - - def resizeGL(self, w, h): - GL.glViewport(0, 0, w, h) - - def paintGL(self): - GL.glClear(GL.GL_COLOR_BUFFER_BIT) - - GL.glMatrixMode(GL.GL_MODELVIEW) - GL.glPushMatrix() - GL.glEnable(GLWidget.GL_MULTISAMPLE) - GL.glTranslatef( -0.25, -0.10, 0.0) - GL.glScalef(0.75, 1.15, 0.0) - GL.glRotatef(GLWidget.rot, 0.0, 0.0, 1.0) - GL.glCallList(self.list_) - GL.glPopMatrix() - - GL.glPushMatrix() - GL.glDisable(GLWidget.GL_MULTISAMPLE) - GL.glTranslatef(0.25, -0.10, 0.0) - GL.glScalef(0.75, 1.15, 0.0) - GL.glRotatef(GLWidget.rot, 0.0, 0.0, 1.0) - GL.glCallList(self.list_) - GL.glPopMatrix() - - GLWidget.rot += 0.2 - - self.qglColor(QtCore.Qt.black) - self.renderText(-0.35, 0.4, 0.0, "Multisampling enabled") - self.renderText(0.15, 0.4, 0.0, "Multisampling disabled") - - def timerEvent(self, event): - self.update() - - def makeObject(self): - trolltechGreen = QtGui.QColor.fromCmykF(0.40, 0.0, 1.0, 0.0) - Pi = 3.14159265358979323846 - NumSectors = 15 - x1 = +0.06 - y1 = -0.14 - x2 = +0.14 - y2 = -0.06 - x3 = +0.08 - y3 = +0.00 - x4 = +0.30 - y4 = +0.22 - - self.list_ = GL.glGenLists(1) - GL.glNewList(self.list_, GL.GL_COMPILE) - - for i in range(NumSectors): - angle1 = float((i * 2 * Pi) / NumSectors) - x5 = 0.30 * math.sin(angle1) - y5 = 0.30 * math.cos(angle1) - x6 = 0.20 * math.sin(angle1) - y6 = 0.20 * math.cos(angle1) - - angle2 = float(((i + 1) * 2 * Pi) / NumSectors) - x7 = 0.20 * math.sin(angle2) - y7 = 0.20 * math.cos(angle2) - x8 = 0.30 * math.sin(angle2) - y8 = 0.30 * math.cos(angle2) - - self.qglColor(trolltechGreen) - self.quad(GL.GL_QUADS, x5, y5, x6, y6, x7, y7, x8, y8) - self.qglColor(QtCore.Qt.black) - self.quad(GL.GL_LINE_LOOP, x5, y5, x6, y6, x7, y7, x8, y8) - - self.qglColor(trolltechGreen) - self.quad(GL.GL_QUADS, x1, y1, x2, y2, y2, x2, y1, x1) - self.quad(GL.GL_QUADS, x3, y3, x4, y4, y4, x4, y3, x3) - - self.qglColor(QtCore.Qt.black) - self.quad(GL.GL_LINE_LOOP, x1, y1, x2, y2, y2, x2, y1, x1) - self.quad(GL.GL_LINE_LOOP, x3, y3, x4, y4, y4, x4, y3, x3) - - GL.glEndList() - - def quad(self, primitive, x1, y1, x2, y2, x3, y3, x4, y4): - GL.glBegin(primitive) - - GL.glVertex2d(x1, y1) - GL.glVertex2d(x2, y2) - GL.glVertex2d(x3, y3) - GL.glVertex2d(x4, y4) - - GL.glEnd() - - def freeResources(self): - self.makeCurrent() - GL.glDeleteLists(self.list_, 1) - - -if __name__ == '__main__': - app = QtWidgets.QApplication(sys.argv) - - if not QtOpenGL.QGLFormat.hasOpenGL(): - QMessageBox.information(0, "OpenGL pbuffers", - "This system does not support OpenGL.", - QMessageBox.Ok) - sys.exit(1) - - f = QtOpenGL.QGLFormat.defaultFormat() - f.setSampleBuffers(True) - QtOpenGL.QGLFormat.setDefaultFormat(f) - - widget = GLWidget() - widget.resize(640, 480) - widget.show() - res = app.exec_() - widget.freeResources() - sys.exit(res) |