be runnable in certain conditions git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30229 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			272 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			272 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| 
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| import wx
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| 
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| try:
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|     from wx import glcanvas
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|     haveGLCanvas = True
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| except ImportError:
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|     haveGLCanvas = False
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| 
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| try:
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|     # The Python OpenGL package can be found at
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|     # http://PyOpenGL.sourceforge.net/
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|     from OpenGL.GL import *
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|     from OpenGL.GLUT import *
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|     haveOpenGL = True
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| except ImportError:
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|     haveOpenGL = False
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| 
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| #----------------------------------------------------------------------
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| 
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| 
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| buttonDefs = {
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|     wx.NewId() : ('CubeCanvas',      'Cube'),
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|     wx.NewId() : ('ConeCanvas',      'Cone'),
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|     }
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| 
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| class ButtonPanel(wx.Panel):
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|     def __init__(self, parent, log):
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|         wx.Panel.__init__(self, parent, -1)
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|         self.log = log
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| 
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|         box = wx.BoxSizer(wx.VERTICAL)
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|         box.Add((20, 30))
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|         keys = buttonDefs.keys()
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|         keys.sort()
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|         for k in keys:
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|             text = buttonDefs[k][1]
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|             btn = wx.Button(self, k, text)
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|             box.Add(btn, 0, wx.ALIGN_CENTER|wx.ALL, 15)
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|             self.Bind(wx.EVT_BUTTON, self.OnButton, btn)
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| 
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|         #** Enable this to show putting a GLCanvas on the wx.Panel
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|         if 0:
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|             c = CubeCanvas(self)
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|             c.SetSize((200, 200))
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|             box.Add(c, 0, wx.ALIGN_CENTER|wx.ALL, 15)
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| 
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|         self.SetAutoLayout(True)
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|         self.SetSizer(box)
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| 
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| 
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|     def OnButton(self, evt):
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|         if not haveGLCanvas:
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|             dlg = wx.MessageDialog(self,
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|                                    'The GLCanvas class has not been included with this build of wxPython!',
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|                                    'Sorry', wx.OK | wx.ICON_WARNING)
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|             dlg.ShowModal()
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|             dlg.Destroy()
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| 
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|         elif not haveOpenGL:
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|             dlg = wx.MessageDialog(self,
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|                                    'The OpenGL package was not found.  You can get it at\n'
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|                                    'http://PyOpenGL.sourceforge.net/',
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|                                    'Sorry', wx.OK | wx.ICON_WARNING)
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|             dlg.ShowModal()
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|             dlg.Destroy()
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| 
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|         else:
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|             canvasClassName = buttonDefs[evt.GetId()][0]
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|             canvasClass = eval(canvasClassName)
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|             frame = wx.Frame(None, -1, canvasClassName, size=(400,400))
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|             canvas = canvasClass(frame)
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|             frame.Show(True)
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| 
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| 
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| class MyCanvasBase(glcanvas.GLCanvas):
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|     def __init__(self, parent):
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|         glcanvas.GLCanvas.__init__(self, parent, -1)
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|         self.init = False
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|         # initial mouse position
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|         self.lastx = self.x = 30
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|         self.lasty = self.y = 30
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|         self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
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|         self.Bind(wx.EVT_SIZE, self.OnSize)
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|         self.Bind(wx.EVT_PAINT, self.OnPaint)
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|         self.Bind(wx.EVT_LEFT_DOWN, self.OnMouseDown)
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|         self.Bind(wx.EVT_LEFT_UP, self.OnMouseUp)
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|         self.Bind(wx.EVT_MOTION, self.OnMouseMotion)
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| 
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| 
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|     def OnEraseBackground(self, event):
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|         pass # Do nothing, to avoid flashing on MSW.
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| 
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| 
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|     def OnSize(self, event):
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|         size = self.GetClientSize()
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|         if self.GetContext():
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|             self.SetCurrent()
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|             glViewport(0, 0, size.width, size.height)
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|         event.Skip()
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| 
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| 
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|     def OnPaint(self, event):
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|         dc = wx.PaintDC(self)
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|         self.SetCurrent()
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|         if not self.init:
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|             self.InitGL()
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|             self.init = True
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|         self.OnDraw()
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| 
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| 
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|     def OnMouseDown(self, evt):
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|         self.CaptureMouse()
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| 
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| 
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|     def OnMouseUp(self, evt):
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|         self.ReleaseMouse()
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| 
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| 
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|     def OnMouseMotion(self, evt):
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|         if evt.Dragging() and evt.LeftIsDown():
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|             self.x, self.y = self.lastx, self.lasty
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|             self.x, self.y = evt.GetPosition()
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|             self.Refresh(False)
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| 
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| 
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| 
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| 
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| class CubeCanvas(MyCanvasBase):
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|     def InitGL(self):
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|         # set viewing projection
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|         glMatrixMode(GL_PROJECTION);
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|         glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0);
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| 
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|         # position viewer
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|         glMatrixMode(GL_MODELVIEW);
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|         glTranslatef(0.0, 0.0, -2.0);
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| 
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|         # position object
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|         glRotatef(self.y, 1.0, 0.0, 0.0);
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|         glRotatef(self.x, 0.0, 1.0, 0.0);
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| 
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|         glEnable(GL_DEPTH_TEST);
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|         glEnable(GL_LIGHTING);
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|         glEnable(GL_LIGHT0);
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| 
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| 
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|     def OnDraw(self):
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|         # clear color and depth buffers
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|         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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| 
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|         # draw six faces of a cube
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|         glBegin(GL_QUADS)
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|         glNormal3f( 0.0, 0.0, 1.0)
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|         glVertex3f( 0.5, 0.5, 0.5)
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|         glVertex3f(-0.5, 0.5, 0.5)
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|         glVertex3f(-0.5,-0.5, 0.5)
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|         glVertex3f( 0.5,-0.5, 0.5)
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| 
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|         glNormal3f( 0.0, 0.0,-1.0)
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|         glVertex3f(-0.5,-0.5,-0.5)
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|         glVertex3f(-0.5, 0.5,-0.5)
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|         glVertex3f( 0.5, 0.5,-0.5)
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|         glVertex3f( 0.5,-0.5,-0.5)
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| 
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|         glNormal3f( 0.0, 1.0, 0.0)
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|         glVertex3f( 0.5, 0.5, 0.5)
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|         glVertex3f( 0.5, 0.5,-0.5)
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|         glVertex3f(-0.5, 0.5,-0.5)
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|         glVertex3f(-0.5, 0.5, 0.5)
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| 
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|         glNormal3f( 0.0,-1.0, 0.0)
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|         glVertex3f(-0.5,-0.5,-0.5)
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|         glVertex3f( 0.5,-0.5,-0.5)
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|         glVertex3f( 0.5,-0.5, 0.5)
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|         glVertex3f(-0.5,-0.5, 0.5)
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| 
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|         glNormal3f( 1.0, 0.0, 0.0)
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|         glVertex3f( 0.5, 0.5, 0.5)
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|         glVertex3f( 0.5,-0.5, 0.5)
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|         glVertex3f( 0.5,-0.5,-0.5)
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|         glVertex3f( 0.5, 0.5,-0.5)
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| 
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|         glNormal3f(-1.0, 0.0, 0.0)
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|         glVertex3f(-0.5,-0.5,-0.5)
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|         glVertex3f(-0.5,-0.5, 0.5)
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|         glVertex3f(-0.5, 0.5, 0.5)
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|         glVertex3f(-0.5, 0.5,-0.5)
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|         glEnd()
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| 
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|         glRotatef((self.lasty - self.y)/100., 1.0, 0.0, 0.0);
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|         glRotatef((self.lastx - self.x)/100., 0.0, 1.0, 0.0);
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| 
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|         self.SwapBuffers()
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| 
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| 
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| 
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| 
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| 
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| class ConeCanvas(MyCanvasBase):
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|     def InitGL( self ):
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|         glMatrixMode(GL_PROJECTION);
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|         # camera frustrum setup
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|         glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0);
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|         glMaterial(GL_FRONT, GL_AMBIENT, [0.2, 0.2, 0.2, 1.0])
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|         glMaterial(GL_FRONT, GL_DIFFUSE, [0.8, 0.8, 0.8, 1.0])
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|         glMaterial(GL_FRONT, GL_SPECULAR, [1.0, 0.0, 1.0, 1.0])
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|         glMaterial(GL_FRONT, GL_SHININESS, 50.0)
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|         glLight(GL_LIGHT0, GL_AMBIENT, [0.0, 1.0, 0.0, 1.0])
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|         glLight(GL_LIGHT0, GL_DIFFUSE, [1.0, 1.0, 1.0, 1.0])
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|         glLight(GL_LIGHT0, GL_SPECULAR, [1.0, 1.0, 1.0, 1.0])
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|         glLight(GL_LIGHT0, GL_POSITION, [1.0, 1.0, 1.0, 0.0]);
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|         glLightModel(GL_LIGHT_MODEL_AMBIENT, [0.2, 0.2, 0.2, 1.0])
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|         glEnable(GL_LIGHTING)
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|         glEnable(GL_LIGHT0)
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|         glDepthFunc(GL_LESS)
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|         glEnable(GL_DEPTH_TEST)
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|         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
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|         # position viewer
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|         glMatrixMode(GL_MODELVIEW);
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| 
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| 
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|     def OnDraw(self):
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|         # clear color and depth buffers
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|         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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|         # use a fresh transformation matrix
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|         glPushMatrix()
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|         # position object
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|         glTranslate(0.0, 0.0, -2.0);
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|         glRotate(30.0, 1.0, 0.0, 0.0);
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|         glRotate(30.0, 0.0, 1.0, 0.0);
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| 
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|         glTranslate(0, -1, 0)
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|         glRotate(250, 1, 0, 0)
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|         glutSolidCone(0.5, 1, 30, 5)
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|         glPopMatrix()
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|         glRotatef((self.lasty - self.y)/100., 0.0, 0.0, 1.0);
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|         glRotatef(0.0, (self.lastx - self.x)/100., 1.0, 0.0);
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|         # push into visible buffer
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|         self.SwapBuffers()
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| 
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| 
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| 
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| 
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| #----------------------------------------------------------------------
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| 
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| 
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| def runTest(frame, nb, log):
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|     win = ButtonPanel(nb, log)
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|     return win
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| 
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| 
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| 
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| 
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| 
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| 
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| overview = """\
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| """
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| 
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| 
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| 
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| if __name__ == '__main__':
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|     import sys,os
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|     import run
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|     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
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| 
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| 
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| 
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| 
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| #----------------------------------------------------------------------
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| 
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