/
openGL_test01.py
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/
openGL_test01.py
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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2013 Riverbank Computing Limited.
## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
## All rights reserved.
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:BSD$
## 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 Nokia Corporation and its Subsidiary(-ies) 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."
## $QT_END_LICENSE$
##
#############################################################################
import sys
import math
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QColor
from PyQt5.QtWidgets import QApplication, QMessageBox
from PyQt5.QtOpenGL import QGL, QGLFormat, QGLWidget
import numpy as np
try:
from OpenGL import GL
except ImportError:
app = QApplication(sys.argv)
QMessageBox.critical(None, "OpenGL samplebuffers",
"PyOpenGL must be installed to run this example.")
sys.exit(1)
windowWindth = 500
windowHeight = 500
rect1Width = 100
rect1Height = np.random.rand() * 400
rect1Speed = 10
rect2Width = 40
rect2Height = 40
rect2Speed = 10
passHeight = 100
class GLWidget(QGLWidget):
GL_MULTISAMPLE = 0x809D
rot = 0.0
Rect1colX = 0.0
Rect1trigX = 0
Rect2colY = 0.0
Rect2trigY = 0
def __init__(self, parent):
super(GLWidget, self).__init__(QGLFormat(QGL.SampleBuffers), parent)
self.list_RECT1 = []
self.list_RECT2 = []
self.startTimer(40)
self.setWindowTitle("Sample Buffers")
def initializeGL(self):
GL.glViewport(0, 0, windowWindth, windowHeight)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glLoadIdentity()
GL.glOrtho(0.0, windowWindth, 0.0, windowHeight, 0.0, 1.0)
GL.glMatrixMode (GL.GL_MODELVIEW)
GL.glLoadIdentity()
self.makeObject()
# 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.GL_DEPTH_BUFFER_BIT)
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glPushMatrix()
# GL.glEnable(GLWidget.GL_MULTISAMPLE)
# GL.glTranslatef( -0.25, -0.10, 0.0)
GL.glTranslatef(GLWidget.Rect1colX, 0.0, 0.0)
# if GLWidget.Rect1colX > (windowWindth - rect1Speed):
# GLWidget.Rect1trigX = 1
# elif GLWidget.Rect1colX < (0 - rect1Width + rect1Speed):
# GLWidget.Rect1trigX = 0
GLWidget.Rect1colX -= rect1Speed
if GLWidget.Rect1colX < (0 - rect1Width*1.5 + rect1Speed):
GLWidget.Rect1colX = windowWindth + rect1Width*0.5
global rect1Height
rect1Height = np.random.rand() * 400
self.makeObject()
# if GLWidget.Rect1trigX == 0:
# GLWidget.Rect1colX = 0
# elif GLWidget.Rect1trigX == 1:
# GLWidget.Rect1colX -= rect1Speed
# GL.glScalef(0.75, 1.15, 0.0)
# GL.glRotatef(GLWidget.rot, 0.0, 0.0, 1.0)
GL.glCallList(self.list_RECT1)
GL.glPopMatrix()
GL.glPushMatrix()
GL.glTranslatef(0.0, GLWidget.Rect2colY, 0.0)
if GLWidget.Rect2colY > (windowWindth - rect2Width - rect2Speed):
GLWidget.Rect2trigY = 1
elif GLWidget.Rect2colY < (0 + rect2Speed):
GLWidget.Rect2trigY = 0
if GLWidget.Rect2trigY == 0:
GLWidget.Rect2colY += rect2Speed
elif GLWidget.Rect2trigY == 1:
GLWidget.Rect2colY -= rect2Speed
GL.glCallList(self.list_RECT2)
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(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 = QColor.fromCmykF(0.40, 0.0, 1.0, 0.0)
# 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_RECT1 = GL.glGenLists(1)
GL.glNewList(self.list_RECT1, GL.GL_COMPILE)
# for i in range(NumSectors):
# angle1 = float((i * 2 * math.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 * math.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(Qt.black)
# self.quad(GL.GL_LINE_LOOP, x5, y5, x6, y6, x7, y7, x8, y8)
self.qglColor(Qt.yellow)
GL.glBegin(GL.GL_QUADS)
GL.glVertex2d(0, 0)
GL.glVertex2d(rect1Width, 0)
GL.glVertex2d(rect1Width, windowHeight - passHeight - rect1Height)
GL.glVertex2d(0, windowHeight - passHeight - rect1Height)
GL.glVertex2d(0, (windowHeight - rect1Height))
GL.glVertex2d(rect1Width, (windowHeight - rect1Height))
GL.glVertex2d(rect1Width, windowHeight)
GL.glVertex2d(0, windowHeight)
GL.glEnd()
# 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(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()
self.list_RECT2 = GL.glGenLists(2)
GL.glNewList(self.list_RECT2, GL.GL_COMPILE)
self.qglColor(Qt.blue)
GL.glBegin(GL.GL_QUADS)
GL.glVertex2d(0, 0)
GL.glVertex2d(rect2Width, 0)
GL.glVertex2d(rect2Width, rect2Height)
GL.glVertex2d(0, rect2Height)
GL.glEnd()
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()
if __name__ == '__main__':
app = QApplication(sys.argv)
f = QGLFormat.defaultFormat()
f.setSampleBuffers(True)
QGLFormat.setDefaultFormat(f)
if not QGLFormat.hasOpenGL():
QMessageBox.information(None, "OpenGL samplebuffers",
"This system does not support OpenGL.")
sys.exit(0)
widget = GLWidget(None)
if not widget.format().sampleBuffers():
QMessageBox.information(None, "OpenGL samplebuffers",
"This system does not have sample buffer support.")
sys.exit(0)
widget.resize(500, 500)
widget.show()
sys.exit(app.exec_())