[comp.sys.mac.programmer] Need Help with CopyBits

viraf@seas.gwu.edu (Viraf Bankwalla) (05/29/90)

Hi,

  I need to add a new mode to CopyBits.

  What is the fastest means to test if a given pixel should have the
  operation preformed on ?  Does CopyBits itself keep calling PtInRgn()
  or are there better ways ?

  Thanks in advance ?

  viraf bankwalla
  viraf@seas.gwu.edu
  ...!uunet!gwusun!viraf