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Text File  |  1989-04-22  |  859 b   |  24 lines  |  [TEXT/MPS ]
  1. Macintosh
  2. Sample Code Notes
  3. _____________________________________________________________________________
  4.                                                   Developer Technical Support
  5.  
  6. #15:    Offscreen
  7.  
  8. Written by:    Rick Blair
  9.  
  10. Versions:            1.00                        April 1989
  11.  
  12. Components:            Offscreen.p                    April 1, 1989
  13.                     Offscreen.incl.p            April 1, 1989
  14. _____________________________________________________________________________
  15.  
  16. These routines provide a high-level interface to the QuickDraw and 
  17. Color Manager routines which allow the creation and manipulation 
  18. of off-screen bitmaps and pixel maps.  They are designed to run on 
  19. any machine with 128K or later ROMs (sorry 64K ROM fans).
  20.  
  21. Note that the design incorporates the idea that you can go along 
  22. pretending there is an off-screen buffer, even when one could not 
  23. be allocated, and the calls will do nothing.
  24.