This is an archive of CompuServe forum messages from 1985 to 1995, as saved in transcripts by John Foust.
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"This APDA documentation for 32 bit QuickDraw is more comprehensive than what's available in Inside Mac?" Except for Inside Mac Vol. VI, which hasn't been published yet, there is no 32-bit QuickDraw doc in Inside Mac. The QuickDraw doc in Inside Mac Vol. V only describes the original "Color QuickDraw",…
What you've got there is a 32-bit PICT. OpCode $9A means DirectBitsRect, provided that you have 32-bit QuickDraw running. Otherwise, as you've noted, regular Color QuickDraw sees an unassigned OpCode with a data length of zero followed by an end-of-picture code. This was done intentionally. A pixelType of 16 means…