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"""Test simple functions (i.e. no pointers involved)"""
from __future__ import print_function
# import OpenGL
# OpenGL.USE_ACCELERATE = False
from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
from OpenGL.GL import GLdouble
from OpenGL.arrays import arraydatatype
handler = arraydatatype.ArrayDatatype.getHandler(GLdouble * 16)
handler.registerReturn()
import time, traceback, os
start = time.time()
window = None
def display():
try:
glutSetWindow(window)
glClearColor(0.0, 0.0, (time.time() % 1.0) / 1.0, 0.0)
glClear(GL_COLOR_BUFFER_BIT)
glMatrixMode(GL_PROJECTION)
# For some reason the GL_PROJECTION_MATRIX is overflowing with a single push!
# glPushMatrix()
matrix = glGetDoublev(GL_PROJECTION_MATRIX)
print('matrix', type(matrix), matrix[:][:])
glutSwapBuffers()
except Exception:
traceback.print_exc()
sys.exit(0)
size = (250, 250)
def reshape(*args):
global size
size = args
glViewport(*((0, 0) + args))
display()
def ontimer(*args):
print('timer', args, '@time', time.time() - start)
glutTimerFunc(1000, ontimer, 24)
def idle():
delta = time.time() - start
if delta < 2:
global size
x, y = size
if delta < 5:
change = +1
else:
change = -1
x = x - change
y = y + change
if x < 1:
x = 1
if y < 1:
y = 1
glutReshapeWindow(x, y)
size = (x, y)
glutSetWindow(window)
glutPostRedisplay()
else:
glutDestroyWindow(window)
print('window destroyed')
sys.stdout.write('OK')
sys.stdout.flush()
try:
if fgDeinitialize:
fgDeinitialize(False)
except NameError:
pass # Older PyOpenGL, you may see a seg-fault here...
os._exit(0)
def printFunction(name):
def onevent(*args):
print('%s -> %s' % (name, ", ".join([str(a) for a in args])))
return onevent
if __name__ == "__main__":
import sys
newArgv = glutInit(sys.argv)
print('newArguments', newArgv)
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB)
glutInitWindowSize(250, 250)
glutInitWindowPosition(100, 100)
window = glutCreateWindow("hello")
print('window', repr(window))
glutDisplayFunc(display)
glutReshapeFunc(reshape)
glutMouseFunc(printFunction('Mouse'))
glutEntryFunc(printFunction('Entry'))
glutKeyboardFunc(printFunction('Keyboard'))
glutKeyboardUpFunc(printFunction('KeyboardUp'))
glutMotionFunc(printFunction('Motion'))
glutPassiveMotionFunc(printFunction('PassiveMotion'))
glutVisibilityFunc(printFunction('Visibility'))
glutWindowStatusFunc(printFunction('WindowStatus'))
glutSpecialFunc(printFunction('Special'))
glutSpecialUpFunc(printFunction('SpecialUp'))
glutTimerFunc(1000, ontimer, 23)
glutIdleFunc(idle)
glutMainLoop()
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