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#############################################################################
##
## Copyright (C) 2017 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of PySide2.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## 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.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Unit test for QOpenGLContext, QOpenGLTexture, QOpenGLWindow and related classes'''
import sys
import unittest
from helper import UsesQApplication
from PySide2.QtCore import QSize, QTimer, Qt
from PySide2.QtGui import (QColor, QGuiApplication, QImage, QOpenGLContext,
QOpenGLTexture, QSurfaceFormat, QOpenGLWindow)
try:
from OpenGL import GL
except ImportError:
print("Skipping test due to missing OpenGL module")
sys.exit(0)
class OpenGLWindow(QOpenGLWindow):
def __init__(self):
super(OpenGLWindow, self).__init__()
self.m_functions = None
self.m_texture = None
self.visibleChanged.connect(self.slotVisibleChanged)
def slotVisibleChanged(self, visible):
if not visible and self.m_texture is not None and self.context().makeCurrent(self):
self.m_texture = None
self.context().doneCurrent()
def initializeGL(self):
self.m_functions = self.context().functions()
self.m_functions.initializeOpenGLFunctions()
image = QImage(QSize(200, 200), QImage.Format_RGBA8888)
image.fill(QColor(Qt.red))
self.m_texture = QOpenGLTexture(image)
def paintGL(self):
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
GL.glOrtho(0, 1, 1, 0, -1, 1);
self.m_functions.glClear(GL.GL_COLOR_BUFFER_BIT)
self.m_functions.glEnable(GL.GL_TEXTURE_2D);
self.m_texture.bind()
d = 0.5
GL.glBegin(GL.GL_QUADS)
GL.glTexCoord2f(0, 0)
GL.glVertex2f(0, 0)
GL.glTexCoord2f(d, 0)
GL.glVertex2f(d, 0)
GL.glTexCoord2f(d, d)
GL.glVertex2f(d, d)
GL.glTexCoord2f(0, d)
GL.glVertex2f(0, d)
GL.glEnd()
self.m_texture.release()
def resizeGL(self, w, h):
self.m_functions.glViewport(0, 0, self.width(), self.height())
class QOpenGLWindowTest(UsesQApplication):
# On macOS, glClear(), glViewport() are rejected due to GLbitfield/GLint not being resolved properly
def test(self):
openGlWindow = OpenGLWindow()
openGlWindow.resize(640, 480)
openGlWindow.show()
QTimer.singleShot(100, openGlWindow.close)
self.app.exec_()
if __name__ == '__main__':
unittest.main()
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