From:	T DOT Harte AT btinternet DOT com (Thomas Harte)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Allegro polygons
Date:	Tue, 24 Jun 1997 19:49:45 GMT
Organization:	BT Internet
Message-ID:	<33b02416.33790058@news.btinternet.com>
NNTP-Posting-Host:	host5-99-61-55.btinternet.com
Lines:	12
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

	Just to find out if I'm right - Allegro clips drawn polygons on a pixel
level right, so even attempting to draw outside of a real graphical bitmap
should be prevented at a source level, correct?
	Also, I had a program which was forever crashing and returning
tracebacks to Allegro's polygon routines, so I presumed I was trying to draw
over or below z=0 or something, but adding the out of BITMAP tests I describe
above, this all ended (as far as I can see so far). Can anyone explain this?
What was I doing wrong?

		-Thomas

http://www.softysoft.home.ml.org (although you're not going to visit it anyway)

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