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comparison lightsim/openglsim.py @ 0:45b12307c695

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Initial revision
author drewp
date Wed, 03 Jul 2002 09:37:57 +0000
parents
children f866d4dec57b
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-1:000000000000 0:45b12307c695
1 # see http://www.sgi.com/software/opengl/advanced97/notes/node57.html for accum notes
2
3 import sys
4 from Image import *
5 from OpenGL.GL import *
6 from OpenGL.Tk import *
7
8 class Surface:
9 def Display(self, event=None):
10
11 glClearColor(0.0, 0.0, 0.0, 0)
12 glClear( GL_COLOR_BUFFER_BIT |GL_ACCUM_BUFFER_BIT)
13
14 l=glGenLists(1)
15 glNewList(l,GL_COMPILE)
16 glEndList()
17
18 # glDrawBuffer(GL_BACK)
19
20 for x in range(1,2):
21
22 mag = self.scales[x].get()
23 print "pic %i at %f" % (x,mag)
24 glClear(GL_COLOR_BUFFER_BIT)
25 glDrawPixels(self.imageWidth, self.imageHeight, GL_RGB, GL_UNSIGNED_BYTE, self.image[x])
26
27 if x==0:
28 glAccum(GL_LOAD,mag)
29 else:
30 glAccum(GL_ACCUM,mag)
31
32 # glAccum(GL_ADD,self.x)
33 self.x=(self.x+.1)%2.0
34 print "return"
35 glAccum(GL_RETURN,1)
36
37 def SetupWindow(self):
38 self.OglFrame = Frame()
39 self.OglFrame.pack(side = 'top',fill='both',expand=1)
40 self.QuitButton = Button(self.OglFrame, {'text':'Quit'})
41 self.QuitButton.bind('<ButtonRelease-1>', sys.exit)
42 self.QuitButton.pack({'side':'top'})
43
44
45 def SetupOpenGL(self):
46 self.ogl = Opengl(master=self.OglFrame, width = 270, height = 270, double = 1, depth = 0)
47 self.ogl.pack(side = 'top', expand = 1, fill = 'both')
48 self.ogl.set_centerpoint(0, 0, 0)
49 self.ogl.redraw = self.Display
50
51 for x in range(0,2):
52 self.scales[x] = Scale(self.OglFrame,label="s%i"%x,from_=0,to=1,res=.05,orient='horiz',command=self.ogl.tkRedraw)
53 self.scales[x].pack()
54
55
56 def __init__(self):
57 self.x=0
58 self.scales=[None,None]
59
60 self.SetupWindow()
61
62 self.image=[]
63 for filename in ('pic1.ppm','pic2.ppm'):
64 im = open(filename)
65 self.imageWidth = im.size[0]
66 self.imageHeight = im.size[1]
67 self.image.append(im.tostring("raw", "RGB", 0, -1))
68 print self.imageWidth, self.imageHeight, self.imageWidth * self.imageHeight*4, len(self.image)
69
70 self.SetupOpenGL()
71
72 glDisable(GL_CULL_FACE)
73 # glEnable(GL_DEPTH_TEST)
74 # glEnable(GL_NORMALIZE)
75 glShadeModel(GL_FLAT)
76
77 self.ogl.tkRedraw()
78 self.ogl.mainloop()
79
80 if __name__ == '__main__':
81 Surface()
82
83 demo = Surface