From:	"Question" <surfer AT -nospam- DOT net>
Newsgroups:	comp.os.msdos.djgpp
Subject:	[Allegro] Primitive bitmap access in datafiles
Date:	Fri, 19 Jun 1998 00:22:36 +1200
Organization:	Wave Internet Services
Lines:	14
Message-ID:	<6mb0kf$u1c$1@news.wave.co.nz>
NNTP-Posting-Host:	a34.ak1.wave.co.nz
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

How do you access individual pixels of a bitmap that is embedded in a
datafile.

e.g.
If the "images[1].dat" pointed to the data in a datafile,
and using an 8bit (256 colour) depth,
how would you get the colour of the pixel at say x=5, y=3?

I seem to recall from the docs that BITMAP structure has a ->line pointer
for every row, but bitmap's in datafiles do not as far as I can see.

Any help would be appreciated.

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