359 lines
8.4 KiB
Python
359 lines
8.4 KiB
Python
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# Ported from the win32 and MFC OpenGL Samples.
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from pywin.mfc import docview
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import sys
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try:
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from OpenGL.GL import *
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from OpenGL.GLU import *
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except ImportError:
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print("The OpenGL extensions do not appear to be installed.")
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print("This Pythonwin demo can not run")
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sys.exit(1)
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import win32con
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import win32ui
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import win32api
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import timer
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PFD_TYPE_RGBA = 0
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PFD_TYPE_COLORINDEX = 1
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PFD_MAIN_PLANE = 0
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PFD_OVERLAY_PLANE = 1
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PFD_UNDERLAY_PLANE = (-1)
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PFD_DOUBLEBUFFER = 0x00000001
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PFD_STEREO = 0x00000002
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PFD_DRAW_TO_WINDOW = 0x00000004
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PFD_DRAW_TO_BITMAP = 0x00000008
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PFD_SUPPORT_GDI = 0x00000010
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PFD_SUPPORT_OPENGL = 0x00000020
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PFD_GENERIC_FORMAT = 0x00000040
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PFD_NEED_PALETTE = 0x00000080
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PFD_NEED_SYSTEM_PALETTE = 0x00000100
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PFD_SWAP_EXCHANGE = 0x00000200
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PFD_SWAP_COPY = 0x00000400
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PFD_SWAP_LAYER_BUFFERS = 0x00000800
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PFD_GENERIC_ACCELERATED = 0x00001000
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PFD_DEPTH_DONTCARE = 0x20000000
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PFD_DOUBLEBUFFER_DONTCARE = 0x40000000
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PFD_STEREO_DONTCARE = 0x80000000
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#threeto8 = [0, 0o111>>1, 0o222>>1, 0o333>>1, 0o444>>1, 0o555>>1, 0o666>>1, 0o377]
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threeto8 = [0, 73>>1, 146>>1, 219>>1, 292>>1, 365>>1, 438>>1, 255]
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twoto8 = [0, 0x55, 0xaa, 0xff]
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oneto8 = [0, 255]
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def ComponentFromIndex(i, nbits, shift):
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# val = (unsigned char) (i >> shift);
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val = (i >> shift) & 0xF;
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if nbits==1:
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val = val & 0x1
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return oneto8[val]
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elif nbits==2:
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val = val & 0x3
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return twoto8[val]
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elif nbits==3:
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val = val & 0x7
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return threeto8[val]
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else:
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return 0;
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OpenGLViewParent=docview.ScrollView
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class OpenGLView(OpenGLViewParent):
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def PreCreateWindow(self, cc):
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self.HookMessage (self.OnSize, win32con.WM_SIZE)
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# An OpenGL window must be created with the following flags and must not
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# include CS_PARENTDC for the class style. Refer to SetPixelFormat
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# documentation in the "Comments" section for further information.
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style = cc[5]
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style = style | win32con.WS_CLIPSIBLINGS | win32con.WS_CLIPCHILDREN
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cc = cc[0], cc[1], cc[2], cc[3], cc[4], style, cc[6], cc[7], cc[8]
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cc = self._obj_.PreCreateWindow(cc)
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return cc
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def OnSize (self, params):
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lParam = params[3]
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cx = win32api.LOWORD(lParam)
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cy = win32api.HIWORD(lParam)
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glViewport(0, 0, cx, cy)
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if self.oldrect[2] > cx or self.oldrect[3] > cy:
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self.RedrawWindow()
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self.OnSizeChange(cx, cy)
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self.oldrect = self.oldrect[0], self.oldrect[1], cx, cy
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def OnInitialUpdate(self):
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self.SetScaleToFitSize((100,100)) # or SetScrollSizes() - A Pythonwin requirement
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return self._obj_.OnInitialUpdate()
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# return rc
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def OnCreate(self, cs):
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self.oldrect = self.GetClientRect()
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self._InitContexts()
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self.Init()
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def OnDestroy(self, msg):
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self.Term()
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self._DestroyContexts()
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return OpenGLViewParent.OnDestroy(self, msg)
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def OnDraw(self, dc):
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self.DrawScene()
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def OnEraseBkgnd(self, dc):
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return 1
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# The OpenGL helpers
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def _SetupPixelFormat(self):
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dc = self.dc.GetSafeHdc()
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pfd = CreatePIXELFORMATDESCRIPTOR()
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pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER
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pfd.iPixelType = PFD_TYPE_RGBA
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pfd.cColorBits = 24
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pfd.cDepthBits = 32
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pfd.iLayerType = PFD_MAIN_PLANE
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pixelformat = ChoosePixelFormat(dc, pfd)
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SetPixelFormat(dc, pixelformat, pfd)
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self._CreateRGBPalette()
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def _CreateRGBPalette(self):
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dc = self.dc.GetSafeHdc()
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n = GetPixelFormat(dc)
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pfd = DescribePixelFormat(dc, n)
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if pfd.dwFlags & PFD_NEED_PALETTE:
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n = 1 << pfd.cColorBits
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pal = []
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for i in range(n):
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this = ComponentFromIndex(i, pfd.cRedBits, pfd.cRedShift), \
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ComponentFromIndex(i, pfd.cGreenBits, pfd.cGreenShift), \
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ComponentFromIndex(i, pfd.cBlueBits, pfd.cBlueShift), \
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0
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pal.append(this)
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hpal = win32ui.CreatePalette(pal)
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self.dc.SelectPalette(hpal, 0)
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self.dc.RealizePalette()
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def _InitContexts(self):
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self.dc = self.GetDC()
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self._SetupPixelFormat()
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hrc = wglCreateContext(self.dc.GetSafeHdc())
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wglMakeCurrent(self.dc.GetSafeHdc(), hrc)
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def _DestroyContexts(self):
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hrc = wglGetCurrentContext()
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wglMakeCurrent(0, 0)
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if hrc: wglDeleteContext(hrc)
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# The methods to support OpenGL
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def DrawScene(self):
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assert 0, "You must override this method"
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def Init(self):
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assert 0, "You must override this method"
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def OnSizeChange(self, cx, cy):
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pass
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def Term(self):
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pass
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class TestView(OpenGLView):
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def OnSizeChange(self, right, bottom):
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glClearColor( 0.0, 0.0, 0.0, 1.0 );
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glClearDepth( 1.0 );
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glEnable(GL_DEPTH_TEST)
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glMatrixMode( GL_PROJECTION )
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if bottom:
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aspect = right / bottom
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else:
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aspect = 0 # When window created!
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glLoadIdentity()
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gluPerspective( 45.0, aspect, 3.0, 7.0 )
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glMatrixMode( GL_MODELVIEW )
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near_plane = 3.0;
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far_plane = 7.0;
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maxObjectSize = 3.0;
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self.radius = near_plane + maxObjectSize/2.0;
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def Init(self):
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pass
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def DrawScene(self):
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glClearColor(0.0, 0.0, 0.0, 1.0)
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glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT )
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glPushMatrix()
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glTranslatef(0.0, 0.0, -self.radius);
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self._DrawCone()
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self._DrawPyramid()
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glPopMatrix()
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glFinish()
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SwapBuffers( wglGetCurrentDC() )
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def _DrawCone(self):
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glColor3f(0.0, 1.0, 0.0)
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glPushMatrix()
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glTranslatef(-1.0, 0.0, 0.0);
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quadObj = gluNewQuadric();
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gluQuadricDrawStyle(quadObj, GLU_FILL);
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gluQuadricNormals(quadObj, GLU_SMOOTH);
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gluCylinder(quadObj, 1.0, 0.0, 1.0, 20, 10);
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# gluDeleteQuadric(quadObj);
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glPopMatrix();
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def _DrawPyramid(self):
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glPushMatrix()
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glTranslatef(1.0, 0.0, 0.0)
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glBegin(GL_TRIANGLE_FAN)
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glColor3f(1.0, 0.0, 0.0)
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glVertex3f(0.0, 1.0, 0.0)
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glColor3f(0.0, 1.0, 0.0)
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glVertex3f(-1.0, 0.0, 0.0)
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glColor3f(0.0, 0.0, 1.0)
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glVertex3f(0.0, 0.0, 1.0)
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glColor3f(0.0, 1.0, 0.0)
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glVertex3f(1.0, 0.0, 0.0)
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glEnd()
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glPopMatrix()
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class CubeView(OpenGLView):
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def OnSizeChange(self, right, bottom):
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glClearColor( 0.0, 0.0, 0.0, 1.0 );
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glClearDepth( 1.0 );
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glEnable(GL_DEPTH_TEST)
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glMatrixMode( GL_PROJECTION )
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if bottom:
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aspect = right / bottom
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else:
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aspect = 0 # When window created!
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glLoadIdentity()
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gluPerspective( 45.0, aspect, 3.0, 7.0 )
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glMatrixMode( GL_MODELVIEW )
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near_plane = 3.0;
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far_plane = 7.0;
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maxObjectSize = 3.0;
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self.radius = near_plane + maxObjectSize/2.0;
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def Init(self):
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self.busy = 0
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self.wAngleY = 10.0
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self.wAngleX = 1.0
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self.wAngleZ = 5.0
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self.timerid = timer.set_timer (150, self.OnTimer)
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def OnTimer(self, id, timeVal):
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self.DrawScene()
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def Term(self):
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timer.kill_timer(self.timerid)
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def DrawScene(self):
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if self.busy: return
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self.busy = 1
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glClearColor(0.0, 0.0, 0.0, 1.0);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glPushMatrix();
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glTranslatef(0.0, 0.0, -self.radius);
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glRotatef(self.wAngleX, 1.0, 0.0, 0.0);
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glRotatef(self.wAngleY, 0.0, 1.0, 0.0);
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glRotatef(self.wAngleZ, 0.0, 0.0, 1.0);
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self.wAngleX = self.wAngleX + 1.0
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self.wAngleY = self.wAngleY + 10.0
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self.wAngleZ = self.wAngleZ + 5.0;
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glBegin(GL_QUAD_STRIP);
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glColor3f(1.0, 0.0, 1.0);
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glVertex3f(-0.5, 0.5, 0.5);
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glColor3f(1.0, 0.0, 0.0);
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glVertex3f(-0.5, -0.5, 0.5);
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glColor3f(1.0, 1.0, 1.0);
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glVertex3f(0.5, 0.5, 0.5);
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glColor3f(1.0, 1.0, 0.0);
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glVertex3f(0.5, -0.5, 0.5);
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glColor3f(0.0, 1.0, 1.0);
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glVertex3f(0.5, 0.5, -0.5);
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glColor3f(0.0, 1.0, 0.0);
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glVertex3f(0.5, -0.5, -0.5);
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glColor3f(0.0, 0.0, 1.0);
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glVertex3f(-0.5, 0.5, -0.5);
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glColor3f(0.0, 0.0, 0.0);
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glVertex3f(-0.5, -0.5, -0.5);
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glColor3f(1.0, 0.0, 1.0);
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glVertex3f(-0.5, 0.5, 0.5);
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glColor3f(1.0, 0.0, 0.0);
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glVertex3f(-0.5, -0.5, 0.5);
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glEnd();
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glBegin(GL_QUADS);
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glColor3f(1.0, 0.0, 1.0);
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glVertex3f(-0.5, 0.5, 0.5);
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glColor3f(1.0, 1.0, 1.0);
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glVertex3f(0.5, 0.5, 0.5);
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glColor3f(0.0, 1.0, 1.0);
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glVertex3f(0.5, 0.5, -0.5);
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glColor3f(0.0, 0.0, 1.0);
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glVertex3f(-0.5, 0.5, -0.5);
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glEnd();
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glBegin(GL_QUADS);
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glColor3f(1.0, 0.0, 0.0);
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glVertex3f(-0.5, -0.5, 0.5);
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glColor3f(1.0, 1.0, 0.0);
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glVertex3f(0.5, -0.5, 0.5);
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glColor3f(0.0, 1.0, 0.0);
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glVertex3f(0.5, -0.5, -0.5);
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glColor3f(0.0, 0.0, 0.0);
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glVertex3f(-0.5, -0.5, -0.5);
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glEnd();
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glPopMatrix();
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glFinish();
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SwapBuffers(wglGetCurrentDC());
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self.busy = 0
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def test():
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template = docview.DocTemplate(None, None, None, CubeView )
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# template = docview.DocTemplate(None, None, None, TestView )
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template.OpenDocumentFile(None)
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if __name__=='__main__':
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test()
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