Path: utzoo!utgpu!water!watmath!clyde!att!pacbell!ames!amdahl!apple!lsr From: lsr@Apple.COM (Larry Rosenstein) Newsgroups: comp.sys.mac.programmer Subject: Re: A lesson in Incremental Design Message-ID: <12711@apple.Apple.COM> Date: 23 Jun 88 18:11:42 GMT References: <3067@polya.Stanford.EDU> Reply-To: lsr@apple.apple.com.UUCP (Larry Rosenstein) Organization: Advanced Technology Group, Apple Computer Lines: 21 In article <3067@polya.Stanford.EDU> kaufman@polya.Stanford.EDU (Marc T. Kaufman) writes: >Then came a user who wanted to create a LARGE pixmap (for so the new world >was called). "I have 5 Megs", he bragged (since he was lucky enough to >have ordered ram before last December). "I will create an image with 8192 >pixels in each row." > >"Oh, no you won't," said the Gods. The proof is left as an exercise for the >reader. This is only true in the current implementation. You will note that the PixMap data structure has a version field. Some future version of Color Quickdraw can define a new version of PixMap can define a different interpretation for rowBytes and store a 32-bit version of rowBytes somewhere else. -- Larry Rosenstein, Object Specialist Apple Computer, Inc. 20525 Mariani Ave, MS 27-AJ Cupertino, CA 95014 AppleLink:Rosenstein1 domain:lsr@Apple.COM UUCP:{sun,voder,nsc,decwrl}!apple!lsr