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Python GL.glPixelStorei方法代码示例

本文整理汇总了Python中opengltk.OpenGL.GL.glPixelStorei方法的典型用法代码示例。如果您正苦于以下问题：Python GL.glPixelStorei方法的具体用法？Python GL.glPixelStorei怎么用？Python GL.glPixelStorei使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类opengltk.OpenGL.GL的用法示例。


在下文中一共展示了GL.glPixelStorei方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: Draw

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPixelStorei [as 别名]
    def Draw(self):
        #print "StickerImage.Draw", self

        if self.image is None:
            return

        GL.glMatrixMode(GL.GL_PROJECTION)
        GL.glPushMatrix()
        GL.glLoadIdentity()
        Insert2d.Draw(self)
        GL.glMatrixMode(GL.GL_MODELVIEW)
        GL.glPushMatrix()
        GL.glLoadIdentity()

        GL.glDisable(GL.GL_DEPTH_TEST)
        GL.glDisable(GL.GL_LIGHTING); 

        width = self.size[0]
        height = self.size[1]

        fullWidth = self.viewer.currentCamera.width
        fullHeight = self.viewer.currentCamera.height

        # we want the anchor of the image to be at the given position
        posxFromLeft = self.position[0] * fullWidth - self.anchor[0] * width
        posyFrombottom = (1.-self.position[1]) * fullHeight - (1.-self.anchor[1]) * height
        #print "posxFromLeft, posyFrombottom", posxFromLeft, posyFrombottom

        # used for picking
        self.polygonContour = [ (posxFromLeft, posyFrombottom),
                                (posxFromLeft+width, posyFrombottom),
                                (posxFromLeft+width, posyFrombottom+height),
                                (posxFromLeft, posyFrombottom+height)
                              ]

        # this accept negative values were GL.glRasterPos2f(x,y) doesn't
        GL.glRasterPos2f(0, 0)
        _gllib.glBitmap(0, 0, 0, 0, posxFromLeft, posyFrombottom, 0)

        GL.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1)
        if self.image.mode == 'RGBA':
                _gllib.glDrawPixels(self.image.size[0], self.image.size[1], 
                                    GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, 
                                    self.image.tostring() )
        elif self.image.mode == 'RGB':
                _gllib.glDrawPixels(self.image.size[0], self.image.size[1], 
                                    GL.GL_RGB, GL.GL_UNSIGNED_BYTE, 
                                    self.image.tostring() )
        elif self.image.mode == 'L':
                _gllib.glDrawPixels(self.image.size[0], self.image.size[1], 
                                    GL.GL_LUMINANCE, GL.GL_UNSIGNED_BYTE, 
                                    self.image.tostring() )

        GL.glMatrixMode(GL.GL_PROJECTION)
        GL.glPopMatrix()
        GL.glMatrixMode(GL.GL_MODELVIEW)
        GL.glPopMatrix()

        return 1
开发者ID:MolecularFlipbook，项目名称:FlipbookApp，代码行数:61，代码来源:StickerImage.py

示例2: imageAsArray

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPixelStorei [as 别名]
    def imageAsArray(self):
        width = self.width
        height = self.height
        if width is None or height is None:
            return None
        nar = Numeric.zeros(3*width*height, Numeric.UnsignedInt8)

        self.tk.call(self._w, 'makecurrent')
        GL.glPixelStorei(GL.GL_PACK_ALIGNMENT, 1)

#        self.tk.call(self._w, 'swapbuffers')
        GL.glReadBuffer(GL.GL_BACK)
        _gllib.glReadPixels( 0, 0, width, height, GL.GL_RGB,
                             GL.GL_UNSIGNED_BYTE, nar)
#        self.tk.call(self._w, 'swapbuffers')
        return nar
开发者ID:MolecularFlipbook，项目名称:FlipbookApp，代码行数:18，代码来源:imageViewer.py

示例3: redraw

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPixelStorei [as 别名]
    def redraw(self, event=None, filter=None):
        if self.imarray is None:
            return
        if filter:
            self.master.lift()
            GL.glConvolutionFilter2D(GL.GL_CONVOLUTION_2D, GL.GL_LUMINANCE,
                                     3, 3, GL.GL_LUMINANCE, GL.GL_FLOAT,
                                     filter)
##             GL.glConvolutionParameterfv(GL.GL_CONVOLUTION_2D,
##                                        GL.GL_CONVOLUTION_FILTER_SCALE,
##                                        (3., 3.,3.,3.))
##             s=  self.scale
##             GL.glPixelTransferf(GL.GL_POST_CONVOLUTION_RED_SCALE, s)
##             GL.glPixelTransferf(GL.GL_POST_CONVOLUTION_BLUE_SCALE, s)
##             GL.glPixelTransferf(GL.GL_POST_CONVOLUTION_GREEN_SCALE, s)
##             s = self.bias
##             GL.glPixelTransferf(GL.GL_POST_CONVOLUTION_RED_BIAS, s)
##             GL.glPixelTransferf(GL.GL_POST_CONVOLUTION_BLUE_BIAS, s)
##             GL.glPixelTransferf(GL.GL_POST_CONVOLUTION_GREEN_BIAS, s)
##                                        GL.GL_CONVOLUTION_FILTER_SCALE,
##                                        (3., 3.,3.,3.))
##             GL.glConvolutionParameteriv(GL.GL_CONVOLUTION_2D,
##                                        GL.GL_CONVOLUTION_FILTER_BIAS,
##                                        (1500, 1500, 1500, 1500))
            GL.glEnable(GL.GL_CONVOLUTION_2D)
            
        self.tk.call(self._w, 'makecurrent')
        GL.glClearColor(0.0, 0.0, 0.0, 0.0)
        GL.glClear(GL.GL_COLOR_BUFFER_BIT)
        GL.glRasterPos2i( 0, 0)
        GL.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1)
        if self.mode=='RGB':
            _gllib.glDrawPixels( self.width, self.height,
                                 GL.GL_RGB, GL.GL_UNSIGNED_BYTE, self.imarray)
        elif self.mode in ['L','P']:
            _gllib.glDrawPixels( self.width, self.height,
                                 GL.GL_LUMINANCE, GL.GL_UNSIGNED_BYTE,
                                 self.imarray)

        GL.glDisable(GL.GL_CONVOLUTION_2D)
开发者ID:MolecularFlipbook，项目名称:FlipbookApp，代码行数:42，代码来源:imageViewer.py

示例4: initGL

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPixelStorei [as 别名]
 def initGL(self):
     GL.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1)
     GL.glClearColor(0.4, 0.4, 0.4, 0.0)
开发者ID:MolecularFlipbook，项目名称:FlipbookApp，代码行数:5，代码来源:imageViewer.py

示例5: endTile

# 需要导入模块: from opengltk.OpenGL import GL [as 别名]
# 或者: from opengltk.OpenGL.GL import glPixelStorei [as 别名]
   def endTile(self):
      assert(self.CurrentTile>=0)

      # be sure OpenGL rendering is finished
      GL.glFinish() #was glFlush()

      # save current glPixelStore values
      prevRowLength = GL.glGetIntegerv(GL.GL_PACK_ROW_LENGTH)[0]
      prevSkipRows = GL.glGetIntegerv(GL.GL_PACK_SKIP_ROWS)[0]
      prevSkipPixels = GL.glGetIntegerv(GL.GL_PACK_SKIP_PIXELS)[0]
      #prevAlignment = GL.glGetIntegerv(GL_PACK_ALIGNMENT)[0]

      if self.TileBuffer is not None:
         srcX = self.TileBorder
         srcY = self.TileBorder
         srcWidth = self.TileWidthNB
         srcHeight = self.TileHeightNB
         GL.glReadPixels(srcX, srcY, srcWidth, srcHeight,
                         self.TileFormat, self.TileType, self.TileBuffer)

      if self.ImageBuffer is not None:
         srcX = self.TileBorder
         srcY = self.TileBorder
         srcWidth = self.CurrentTileWidth - 2 * self.TileBorder
         srcHeight = self.CurrentTileHeight - 2 * self.TileBorder
         destX = self.TileWidthNB * self.CurrentColumn
         destY = self.TileHeightNB * self.CurrentRow

##          #save single tile
##          # setup pixel store for glReadPixels
##          GL.glPixelStorei(GL.GL_PACK_ROW_LENGTH, self.CurrentTileWidth)
##          GL.glPixelStorei(GL.GL_PACK_SKIP_ROWS, 0)
##          GL.glPixelStorei(GL.GL_PACK_SKIP_PIXELS, 0)
##          #GL.glPixelStorei(GL.GL_PACK_ALIGNMENT, 1)

##          # read the tile into buffer
##          gllib.glReadPixels(srcX, srcY, srcWidth, srcHeight,
##                             self.ImageFormat, self.ImageType, self.oneTileRenderBuffer)
##          import Image, sys
##          im = Image.fromstring('RGB', (srcWidth, srcHeight),
##                                self.oneTileRenderBuffer) 
##          if sys.platform!='win32':
##             im = im.transpose(Image.FLIP_TOP_BOTTOM)
##          im.save('tile%d_%d.tif'%(self.CurrentRow, self.CurrentColumn))
         
         # setup pixel store for glReadPixels
         GL.glPixelStorei(GL.GL_PACK_ROW_LENGTH, self.ImageWidth)
         GL.glPixelStorei(GL.GL_PACK_SKIP_ROWS, destY)
         GL.glPixelStorei(GL.GL_PACK_SKIP_PIXELS, destX)
         #GL.glPixelStorei(GL.GL_PACK_ALIGNMENT, 1)

         # read the tile into the final image
         #print 'DEBUG Tile renderer'
         #print 'column, row:', self.CurrentColumn, self.CurrentRow
         #print 'srcWidth,srcHeight,destX, destY',srcWidth,srcHeight,destX, destY
         gllib.glReadPixels(srcX, srcY, srcWidth, srcHeight,
                            self.ImageFormat, self.ImageType, self.ImageBuffer)

      # restore previous glPixelStore values
      GL.glPixelStorei(GL.GL_PACK_ROW_LENGTH, int(prevRowLength))
      GL.glPixelStorei(GL.GL_PACK_SKIP_ROWS, int(prevSkipRows))
      GL.glPixelStorei(GL.GL_PACK_SKIP_PIXELS, int(prevSkipPixels))
      #GL.glPixelStorei(GL.GL_PACK_ALIGNMENT, prevAlignment)

      # increment tile counter, return 1 if more tiles left to render
      self.CurrentTile+=1
      if self.CurrentTile >= self.Rows * self.Columns:
         # restore user's viewport
         GL.glViewport(int(self.ViewportSave[0]), int(self.ViewportSave[1]),
                       int(self.ViewportSave[2]), int(self.ViewportSave[3]))
         self.CurrentTile = -1  # all done
         return 0
      else:
         return 1
开发者ID:MolecularFlipbook，项目名称:FlipbookApp，代码行数:76，代码来源:tileRenderer.py


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