code: def getPixmap(page, matrix = None, colorspace = csRGB, clip = None,
                alpha = True):
      
      CheckParent(page)
  
      # determine required colorspace
      cs = colorspace
      if type(colorspace) is str:
          if colorspace.upper() == "GRAY":
              cs = csGRAY
          elif colorspace.upper() == "CMYK":
              cs = csCMYK
          else:
              cs = csRGB
      if cs.n not in (1,3,4):
          raise ValueError("unsupported colorspace")
  
      dl = page.getDisplayList()               # create DisplayList
      if clip:
          scissor = Rect(clip)
      else:
          scissor = None
      pix = dl.getPixmap(matrix = matrix,
                         colorspace = cs,
                         alpha = alpha,
                         clip = scissor)
      del dl
      return pix
docs: Create pixmap of page.
      
      Args:
          matrix: Matrix for transformation (default: Identity).
          colorspace: (str/Colorspace) rgb, rgb, gray - case ignored, default csRGB.
          clip: (irect-like) restrict rendering to this area.
          alpha: (bool) include alpha channel