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"""Test simple functions (i.e. no pointers involved)"""
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
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 as err:
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 < 10:
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')
try:
if fgDeinitialize: fgDeinitialize(False)
except NameError as err:
pass # Older PyOpenGL, you may see a seg-fault here...
import sys
sys.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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