#!
# This is statement is required by the build system to query build info
if __name__ == '__build__':
raise Exception
## example python/pyopengl script to do tiled texturemapping.
## By david konerding (dek@cgl.ucsf.edu)
import sys
from Image import *
from OpenGL.GL import *
from OpenGL.Tk import *
try:
from Numeric import *
except:
print "This demo requires the Numeric extension, sorry."
sys.exit()
import math
const = math.pi
class checker:
def makeImage(self):
im = open(self.filename)
self.imageWidth = im.size[0]
self.imageHeight = im.size[1]
self.image = im.tostring("raw", "RGBX", 0, -1)
def display(self, event=None):
glClearColor(0.0, 0.0, 0.0, 0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glBegin(GL_QUADS)
glTexCoord2f(0.0, 0.0); glVertex3f(0.0, 0.0, 0.0)
glTexCoord2f(0.0, 2.0); glVertex3f(0.0, 10., 0.0)
glTexCoord2f(2.0, 2.0); glVertex3f(10. , 10., 0.0)
glTexCoord2f(2.0, 0.0); glVertex3f(10., 0.0, 0.0)
glEnd()
glFlush()
def SetupWindow(self):
self.OglFrame = Frame()
self.OglFrame.pack(side = 'top')
self.QuitButton = Button(self.OglFrame, {'text':'Quit'})
self.QuitButton.bind('<ButtonRelease-1>', sys.exit)
self.QuitButton.pack({'side':'top'})
self.ogl = Opengl(master=self.OglFrame, width = 500, height = 500, double = 1)
self.ogl.pack(side = 'top', expand = 1, fill = 'both')
## self.ogl.set_eyepoint(900.)
## self.ogl.set_centerpoint(0, 0, 0)
self.ogl.redraw = self.display
def SetupTexture(self):
self.makeImage()
glPixelStorei(GL_UNPACK_ALIGNMENT, 1)
glTexImage2D(GL_TEXTURE_2D, 0, 3, self.imageWidth, self.imageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, self.image)
## glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP)
## glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL)
glEnable(GL_TEXTURE_2D)
glShadeModel(GL_FLAT)
def __init__(self):
try:
self.filename = sys.argv[1]
except:
self.filename = "image.ppm"
sys.stderr.write("usage: <name> ppmfilename\n")
#sys.exit(1)
self.SetupWindow()
self.SetupTexture()
self.ogl.mainloop()
if __name__ == '__main__':
checker()
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