git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15820 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			281 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			281 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from wxPython.wx       import *
 | |
| try:
 | |
|     from wxPython.glcanvas import *
 | |
|     haveGLCanvas = true
 | |
| except ImportError:
 | |
|     haveGLCanvas = false
 | |
| 
 | |
| try:
 | |
|     # The Python OpenGL package can be found at
 | |
|     # http://PyOpenGL.sourceforge.net/
 | |
|     from OpenGL.GL import *
 | |
|     from OpenGL.GLUT import *
 | |
|     haveOpenGL = true
 | |
| except ImportError:
 | |
|     haveOpenGL = false
 | |
| 
 | |
| #----------------------------------------------------------------------
 | |
| 
 | |
| if not haveGLCanvas:
 | |
|     def runTest(frame, nb, log):
 | |
|         dlg = wxMessageDialog(frame, 'The wxGLCanvas has not been included with this build of wxPython!',
 | |
|                           'Sorry', wxOK | wxICON_INFORMATION)
 | |
|         dlg.ShowModal()
 | |
|         dlg.Destroy()
 | |
| 
 | |
| elif not haveOpenGL:
 | |
|     def runTest(frame, nb, log):
 | |
|         dlg = wxMessageDialog(frame,
 | |
|                               'The OpenGL package was not found.  You can get it at\n'
 | |
|                               'http://PyOpenGL.sourceforge.net/',
 | |
|                           'Sorry', wxOK | wxICON_INFORMATION)
 | |
|         dlg.ShowModal()
 | |
|         dlg.Destroy()
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| else:
 | |
|     buttonDefs = {
 | |
|         wxNewId() : ('CubeCanvas',      'Cube'),
 | |
|         wxNewId() : ('ConeCanvas',      'Cone'),
 | |
|         }
 | |
| 
 | |
|     class ButtonPanel(wxPanel):
 | |
|         def __init__(self, parent, log):
 | |
|             wxPanel.__init__(self, parent, -1)
 | |
|             self.log = log
 | |
| 
 | |
|             box = wxBoxSizer(wxVERTICAL)
 | |
|             box.Add(20, 30)
 | |
|             keys = buttonDefs.keys()
 | |
|             keys.sort()
 | |
|             for k in keys:
 | |
|                 text = buttonDefs[k][1]
 | |
|                 btn = wxButton(self, k, text)
 | |
|                 box.Add(btn, 0, wxALIGN_CENTER|wxALL, 15)
 | |
|                 EVT_BUTTON(self, k, self.OnButton)
 | |
| 
 | |
|             #** Enable this to show putting a wxGLCanvas on the wxPanel
 | |
|             if 0:
 | |
|                 c = CubeCanvas(self)
 | |
|                 c.SetSize((200, 200))
 | |
|                 box.Add(c, 0, wxALIGN_CENTER|wxALL, 15)
 | |
| 
 | |
|             self.SetAutoLayout(true)
 | |
|             self.SetSizer(box)
 | |
| 
 | |
| 
 | |
|         def OnButton(self, evt):
 | |
|             canvasClassName = buttonDefs[evt.GetId()][0]
 | |
|             canvasClass = eval(canvasClassName)
 | |
|             frame = wxFrame(None, -1, canvasClassName, size=(400,400))
 | |
|             canvas = canvasClass(frame)
 | |
|             frame.Show(true)
 | |
| 
 | |
| 
 | |
| 
 | |
|     def runTest(frame, nb, log):
 | |
|         win = ButtonPanel(nb, log)
 | |
|         return win
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
|     class MyCanvasBase(wxGLCanvas):
 | |
|         def __init__(self, parent):
 | |
|             wxGLCanvas.__init__(self, parent, -1)
 | |
|             self.init = false
 | |
|             # initial mouse position
 | |
|             self.lastx = self.x = 30
 | |
|             self.lasty = self.y = 30
 | |
|             EVT_ERASE_BACKGROUND(self, self.OnEraseBackground)
 | |
|             EVT_SIZE(self, self.OnSize)
 | |
|             EVT_PAINT(self, self.OnPaint)
 | |
|             EVT_LEFT_DOWN(self, self.OnMouseDown)  # needs fixing...
 | |
|             EVT_LEFT_UP(self, self.OnMouseUp)
 | |
|             EVT_MOTION(self, self.OnMouseMotion)
 | |
| 
 | |
|         def OnEraseBackground(self, event):
 | |
|             pass # Do nothing, to avoid flashing on MSW.
 | |
| 
 | |
|         def OnSize(self, event):
 | |
|             size = self.GetClientSize()
 | |
|             if self.GetContext():
 | |
|                 self.SetCurrent()
 | |
|                 glViewport(0, 0, size.width, size.height)
 | |
| 
 | |
|         def OnPaint(self, event):
 | |
|             dc = wxPaintDC(self)
 | |
|             self.SetCurrent()
 | |
|             if not self.init:
 | |
|                 self.InitGL()
 | |
|                 self.init = true
 | |
|             self.OnDraw()
 | |
| 
 | |
|         def OnMouseDown(self, evt):
 | |
|             self.CaptureMouse()
 | |
| 
 | |
|         def OnMouseUp(self, evt):
 | |
|             self.ReleaseMouse()
 | |
| 
 | |
|         def OnMouseMotion(self, evt):
 | |
|             if evt.Dragging() and evt.LeftIsDown():
 | |
|                 self.x, self.y = self.lastx, self.lasty
 | |
|                 self.x, self.y = evt.GetPosition()
 | |
|                 self.Refresh(false)
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
|     class CubeCanvas(MyCanvasBase):
 | |
|         def InitGL(self):
 | |
|             # set viewing projection
 | |
|             glMatrixMode(GL_PROJECTION);
 | |
|             glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0);
 | |
| 
 | |
|             # position viewer
 | |
|             glMatrixMode(GL_MODELVIEW);
 | |
|             glTranslatef(0.0, 0.0, -2.0);
 | |
| 
 | |
|             # position object
 | |
|             glRotatef(self.y, 1.0, 0.0, 0.0);
 | |
|             glRotatef(self.x, 0.0, 1.0, 0.0);
 | |
| 
 | |
|             glEnable(GL_DEPTH_TEST);
 | |
|             glEnable(GL_LIGHTING);
 | |
|             glEnable(GL_LIGHT0);
 | |
| 
 | |
| 
 | |
|         def OnDraw(self):
 | |
|             # clear color and depth buffers
 | |
|             glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 | |
| 
 | |
|             # draw six faces of a cube
 | |
|             glBegin(GL_QUADS)
 | |
|             glNormal3f( 0.0, 0.0, 1.0)
 | |
|             glVertex3f( 0.5, 0.5, 0.5)
 | |
|             glVertex3f(-0.5, 0.5, 0.5)
 | |
|             glVertex3f(-0.5,-0.5, 0.5)
 | |
|             glVertex3f( 0.5,-0.5, 0.5)
 | |
| 
 | |
|             glNormal3f( 0.0, 0.0,-1.0)
 | |
|             glVertex3f(-0.5,-0.5,-0.5)
 | |
|             glVertex3f(-0.5, 0.5,-0.5)
 | |
|             glVertex3f( 0.5, 0.5,-0.5)
 | |
|             glVertex3f( 0.5,-0.5,-0.5)
 | |
| 
 | |
|             glNormal3f( 0.0, 1.0, 0.0)
 | |
|             glVertex3f( 0.5, 0.5, 0.5)
 | |
|             glVertex3f( 0.5, 0.5,-0.5)
 | |
|             glVertex3f(-0.5, 0.5,-0.5)
 | |
|             glVertex3f(-0.5, 0.5, 0.5)
 | |
| 
 | |
|             glNormal3f( 0.0,-1.0, 0.0)
 | |
|             glVertex3f(-0.5,-0.5,-0.5)
 | |
|             glVertex3f( 0.5,-0.5,-0.5)
 | |
|             glVertex3f( 0.5,-0.5, 0.5)
 | |
|             glVertex3f(-0.5,-0.5, 0.5)
 | |
| 
 | |
|             glNormal3f( 1.0, 0.0, 0.0)
 | |
|             glVertex3f( 0.5, 0.5, 0.5)
 | |
|             glVertex3f( 0.5,-0.5, 0.5)
 | |
|             glVertex3f( 0.5,-0.5,-0.5)
 | |
|             glVertex3f( 0.5, 0.5,-0.5)
 | |
| 
 | |
|             glNormal3f(-1.0, 0.0, 0.0)
 | |
|             glVertex3f(-0.5,-0.5,-0.5)
 | |
|             glVertex3f(-0.5,-0.5, 0.5)
 | |
|             glVertex3f(-0.5, 0.5, 0.5)
 | |
|             glVertex3f(-0.5, 0.5,-0.5)
 | |
|             glEnd()
 | |
| 
 | |
|             glRotatef((self.lasty - self.y)/100., 1.0, 0.0, 0.0);
 | |
|             glRotatef((self.lastx - self.x)/100., 0.0, 1.0, 0.0);
 | |
| 
 | |
|             self.SwapBuffers()
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
|     class ConeCanvas(MyCanvasBase):
 | |
|         def InitGL( self ):
 | |
|             glMatrixMode(GL_PROJECTION);
 | |
|             # camera frustrum setup
 | |
|             glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0);
 | |
|             glMaterial(GL_FRONT, GL_AMBIENT, [0.2, 0.2, 0.2, 1.0])
 | |
|             glMaterial(GL_FRONT, GL_DIFFUSE, [0.8, 0.8, 0.8, 1.0])
 | |
|             glMaterial(GL_FRONT, GL_SPECULAR, [1.0, 0.0, 1.0, 1.0])
 | |
|             glMaterial(GL_FRONT, GL_SHININESS, 50.0)
 | |
|             glLight(GL_LIGHT0, GL_AMBIENT, [0.0, 1.0, 0.0, 1.0])
 | |
|             glLight(GL_LIGHT0, GL_DIFFUSE, [1.0, 1.0, 1.0, 1.0])
 | |
|             glLight(GL_LIGHT0, GL_SPECULAR, [1.0, 1.0, 1.0, 1.0])
 | |
|             glLight(GL_LIGHT0, GL_POSITION, [1.0, 1.0, 1.0, 0.0]);
 | |
|             glLightModel(GL_LIGHT_MODEL_AMBIENT, [0.2, 0.2, 0.2, 1.0])
 | |
|             glEnable(GL_LIGHTING)
 | |
|             glEnable(GL_LIGHT0)
 | |
|             glDepthFunc(GL_LESS)
 | |
|             glEnable(GL_DEPTH_TEST)
 | |
|             glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
 | |
|             # position viewer
 | |
|             glMatrixMode(GL_MODELVIEW);
 | |
| 
 | |
| 
 | |
|         def OnDraw(self):
 | |
|             # clear color and depth buffers
 | |
|             glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 | |
|             # use a fresh transformation matrix
 | |
|             glPushMatrix()
 | |
|             # position object
 | |
|             glTranslate(0.0, 0.0, -2.0);
 | |
|             glRotate(30.0, 1.0, 0.0, 0.0);
 | |
|             glRotate(30.0, 0.0, 1.0, 0.0);
 | |
| 
 | |
|             glTranslate(0, -1, 0)
 | |
|             glRotate(250, 1, 0, 0)
 | |
|             glutSolidCone(0.5, 1, 30, 5)
 | |
|             glPopMatrix()
 | |
|             glRotatef((self.lasty - self.y)/100., 0.0, 0.0, 1.0);
 | |
|             glRotatef(0.0, (self.lastx - self.x)/100., 1.0, 0.0);
 | |
|             # push into visible buffer
 | |
|             self.SwapBuffers()
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| #----------------------------------------------------------------------
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| overview = """\
 | |
| """
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| #----------------------------------------------------------------------
 | |
| 
 | |
| def _test():
 | |
|     class MyApp(wxApp):
 | |
|         def OnInit(self):
 | |
|             frame = wxFrame(None, -1, "GL Demos", wxDefaultPosition, wxSize(600,300))
 | |
|             #win = ConeCanvas(frame)
 | |
|             MySplitter(frame)
 | |
|             frame.Show(TRUE)
 | |
|             self.SetTopWindow(frame)
 | |
|             return TRUE
 | |
| 
 | |
|     app = MyApp(0)
 | |
|     app.MainLoop()
 | |
| 
 | |
| if __name__ == '__main__':
 | |
|     _test()
 | |
| 
 |