From 9f2a9aba3aff73e31ea15eb4a7a04b0e50f4ee4e Mon Sep 17 00:00:00 2001 From: Friedemann Kleint Date: Fri, 5 Jan 2018 15:58:35 +0100 Subject: Move examples from submodule to pyside-setup Move PySide2 examples that are owned by the Qt Company to a new examples directory. Done-with: Venugopal Shivashankar Task-number: PYSIDE-363 Change-Id: I14099764d9eef2bc35e067086121427955862e3a Reviewed-by: Alexandru Croitor --- .../widgets/widgets/hellogl_openglwidget_legacy.py | 289 +++++++++++++++++++++ 1 file changed, 289 insertions(+) create mode 100755 examples/widgets/widgets/hellogl_openglwidget_legacy.py (limited to 'examples/widgets/widgets/hellogl_openglwidget_legacy.py') diff --git a/examples/widgets/widgets/hellogl_openglwidget_legacy.py b/examples/widgets/widgets/hellogl_openglwidget_legacy.py new file mode 100755 index 000000000..c2e918671 --- /dev/null +++ b/examples/widgets/widgets/hellogl_openglwidget_legacy.py @@ -0,0 +1,289 @@ +#!/usr/bin/env python + +############################################################################ +## +## Copyright (C) 2017 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/hellogl example from Qt v5.x modified to use a QOpenGLWidget to demonstrate porting from QGLWidget to QOpenGLWidget""" + +import sys +import math +from PySide2 import QtCore, QtGui, QtWidgets + +try: + from OpenGL import GL +except ImportError: + app = QtWidgets.QApplication(sys.argv) + messageBox = QtWidgets.QMessageBox(QtWidgets.QMessageBox.Critical, "OpenGL hellogl", + "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 Window(QtWidgets.QWidget): + def __init__(self, parent=None): + QtWidgets.QWidget.__init__(self, parent) + + self.glWidget = GLWidget() + + self.xSlider = self.createSlider(QtCore.SIGNAL("xRotationChanged(int)"), + self.glWidget.setXRotation) + self.ySlider = self.createSlider(QtCore.SIGNAL("yRotationChanged(int)"), + self.glWidget.setYRotation) + self.zSlider = self.createSlider(QtCore.SIGNAL("zRotationChanged(int)"), + self.glWidget.setZRotation) + + mainLayout = QtWidgets.QHBoxLayout() + mainLayout.addWidget(self.glWidget) + mainLayout.addWidget(self.xSlider) + mainLayout.addWidget(self.ySlider) + mainLayout.addWidget(self.zSlider) + self.setLayout(mainLayout) + + self.xSlider.setValue(170 * 16) + self.ySlider.setValue(160 * 16) + self.zSlider.setValue(90 * 16) + + self.setWindowTitle(self.tr("QOpenGLWidget")) + + def createSlider(self, changedSignal, setterSlot): + slider = QtWidgets.QSlider(QtCore.Qt.Vertical) + + slider.setRange(0, 360 * 16) + slider.setSingleStep(16) + slider.setPageStep(15 * 16) + slider.setTickInterval(15 * 16) + slider.setTickPosition(QtWidgets.QSlider.TicksRight) + + self.glWidget.connect(slider, QtCore.SIGNAL("valueChanged(int)"), setterSlot) + self.connect(self.glWidget, changedSignal, slider, QtCore.SLOT("setValue(int)")) + + return slider + + +class GLWidget(QtWidgets.QOpenGLWidget): + xRotationChanged = QtCore.Signal(int) + yRotationChanged = QtCore.Signal(int) + zRotationChanged = QtCore.Signal(int) + + def __init__(self, parent=None): + QtWidgets.QOpenGLWidget.__init__(self, parent) + + self.object = 0 + self.xRot = 0 + self.yRot = 0 + self.zRot = 0 + + self.lastPos = QtCore.QPoint() + + self.trolltechGreen = QtGui.QColor.fromCmykF(0.40, 0.0, 1.0, 0.0) + self.trolltechPurple = QtGui.QColor.fromCmykF(0.39, 0.39, 0.0, 0.0) + + def xRotation(self): + return self.xRot + + def yRotation(self): + return self.yRot + + def zRotation(self): + return self.zRot + + def minimumSizeHint(self): + return QtCore.QSize(50, 50) + + def sizeHint(self): + return QtCore.QSize(400, 400) + + def setXRotation(self, angle): + angle = self.normalizeAngle(angle) + if angle != self.xRot: + self.xRot = angle + self.emit(QtCore.SIGNAL("xRotationChanged(int)"), angle) + self.update() + + def setYRotation(self, angle): + angle = self.normalizeAngle(angle) + if angle != self.yRot: + self.yRot = angle + self.emit(QtCore.SIGNAL("yRotationChanged(int)"), angle) + self.update() + + def setZRotation(self, angle): + angle = self.normalizeAngle(angle) + if angle != self.zRot: + self.zRot = angle + self.emit(QtCore.SIGNAL("zRotationChanged(int)"), angle) + self.update() + + def initializeGL(self): + darkTrolltechPurple = self.trolltechPurple.darker() + GL.glClearColor(darkTrolltechPurple.redF(), darkTrolltechPurple.greenF(), darkTrolltechPurple.blueF(), darkTrolltechPurple.alphaF()) + self.object = self.makeObject() + GL.glShadeModel(GL.GL_FLAT) + GL.glEnable(GL.GL_DEPTH_TEST) + GL.glEnable(GL.GL_CULL_FACE) + + def paintGL(self): + GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT) + GL.glLoadIdentity() + GL.glTranslated(0.0, 0.0, -10.0) + GL.glRotated(self.xRot / 16.0, 1.0, 0.0, 0.0) + GL.glRotated(self.yRot / 16.0, 0.0, 1.0, 0.0) + GL.glRotated(self.zRot / 16.0, 0.0, 0.0, 1.0) + GL.glCallList(self.object) + + def resizeGL(self, width, height): + side = min(width, height) + GL.glViewport(int((width - side) / 2),int((height - side) / 2), side, side) + + GL.glMatrixMode(GL.GL_PROJECTION) + GL.glLoadIdentity() + GL.glOrtho(-0.5, +0.5, -0.5, +0.5, 4.0, 15.0) + GL.glMatrixMode(GL.GL_MODELVIEW) + + def mousePressEvent(self, event): + self.lastPos = QtCore.QPoint(event.pos()) + + def mouseMoveEvent(self, event): + dx = event.x() - self.lastPos.x() + dy = event.y() - self.lastPos.y() + + if event.buttons() & QtCore.Qt.LeftButton: + self.setXRotation(self.xRot + 8 * dy) + self.setYRotation(self.yRot + 8 * dx) + elif event.buttons() & QtCore.Qt.RightButton: + self.setXRotation(self.xRot + 8 * dy) + self.setZRotation(self.zRot + 8 * dx) + + self.lastPos = QtCore.QPoint(event.pos()) + + def makeObject(self): + genList = GL.glGenLists(1) + GL.glNewList(genList, GL.GL_COMPILE) + + GL.glBegin(GL.GL_QUADS) + + 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.quad(x1, y1, x2, y2, y2, x2, y1, x1) + self.quad(x3, y3, x4, y4, y4, x4, y3, x3) + + self.extrude(x1, y1, x2, y2) + self.extrude(x2, y2, y2, x2) + self.extrude(y2, x2, y1, x1) + self.extrude(y1, x1, x1, y1) + self.extrude(x3, y3, x4, y4) + self.extrude(x4, y4, y4, x4) + self.extrude(y4, x4, y3, x3) + + Pi = 3.14159265358979323846 + NumSectors = 200 + + for i in range(NumSectors): + angle1 = (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 = ((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.quad(x5, y5, x6, y6, x7, y7, x8, y8) + + self.extrude(x6, y6, x7, y7) + self.extrude(x8, y8, x5, y5) + + GL.glEnd() + GL.glEndList() + + return genList + + def quad(self, x1, y1, x2, y2, x3, y3, x4, y4): + GL.glColor(self.trolltechGreen.redF(), self.trolltechGreen.greenF(), self.trolltechGreen.blueF(), self.trolltechGreen.alphaF()) + + GL.glVertex3d(x1, y1, +0.05) + GL.glVertex3d(x2, y2, +0.05) + GL.glVertex3d(x3, y3, +0.05) + GL.glVertex3d(x4, y4, +0.05) + + GL.glVertex3d(x4, y4, -0.05) + GL.glVertex3d(x3, y3, -0.05) + GL.glVertex3d(x2, y2, -0.05) + GL.glVertex3d(x1, y1, -0.05) + + def extrude(self, x1, y1, x2, y2): + darkTrolltechGreen = self.trolltechGreen.darker(250 + int(100 * x1)) + GL.glColor(darkTrolltechGreen.redF(), darkTrolltechGreen.greenF(), darkTrolltechGreen.blueF(), darkTrolltechGreen.alphaF()) + + GL.glVertex3d(x1, y1, -0.05) + GL.glVertex3d(x2, y2, -0.05) + GL.glVertex3d(x2, y2, +0.05) + GL.glVertex3d(x1, y1, +0.05) + + def normalizeAngle(self, angle): + while angle < 0: + angle += 360 * 16 + while angle > 360 * 16: + angle -= 360 * 16 + return angle + + def freeResources(self): + self.makeCurrent() + GL.glDeleteLists(self.object, 1) + +if __name__ == '__main__': + app = QtWidgets.QApplication(sys.argv) + window = Window() + window.show() + res = app.exec_() + window.glWidget.freeResources() + sys.exit(res) -- cgit v1.2.3