code: def create(cls, type):
          
          if type == 0: return FilterDropShadow(id)
          elif type == 1: return FilterBlur(id)
          elif type == 2: return FilterGlow(id)
          elif type == 3: return FilterBevel(id)
          elif type == 4: return FilterGradientGlow(id)
          elif type == 5: return FilterConvolution(id)
          elif type == 6: return FilterColorMatrix(id)
          elif type == 7: return FilterGradientBevel(id)
          else:
              raise Exception("Unknown filter type: %d" % type)
docs: Return the specified Filter