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Article #30225

Re: Format of a MacPaint file?

#30225
From: nicky
Date: Sat, 16 Jul 1988 06:44
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The MacPaint file represents a compressed bitmap of an 8X10 inch area at 72
pixels per inch, 576X720 pixels.
It consists of a 512 byte header (can be ignored) followed
by 720 compressed horizontal scanlines.  The Macintosh tookbox routines
PackBits and UnpackBits are used to pack and unpack the bits repectively.

Given this, you will have to write your own algorithm to unpack the bitmap.
Technote #86 talks about MacPaint file format and #171 talks about the PackBIts
routine.
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Message-ID: <7396@cup.portal.com>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!portal!cup.portal.com!nicky
References: <1631@udccvax1.acs.udel.EDU>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!portal!cup.portal.com!nicky
From: nicky@cup.portal.com
Newsgroups: comp.sys.mac
Subject: Re: Format of a MacPaint file?
Message-ID: <7396@cup.portal.com>
Date: 16 Jul 88 06:44:55 GMT
References: <1631@udccvax1.acs.udel.EDU>
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