From:	"Sly" <sly AT aussie DOT net>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Allegro bitmaps
Date:	26 Mar 1997 06:12:10 GMT
Organization:	Sly
Lines:	21
Message-ID:	<01bc39ad$32477300$90081ecb@sly>
References:	<01bc36a8$c77e9aa0$522549c2 AT default>
NNTP-Posting-Host:	max0ppp14.bne.aussie.net
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Thomas Harte <T DOT Harte AT btinternet DOT com> wrote in article
<01bc36a8$c77e9aa0$522549c2 AT default>...
> 	How do you find out the size of an Allegro bitmap?
> I read the Allegro.txt, and it told me about the bitmap struct, but
> <bitmap>.h & <bitmap>.w don't work. What is the correct way to read the
> dimensions of an Allegro bitmap?

A bitmap is declared by the following line:

BITMAP *bitmap;

This is a pointer to the bitmap.  To get access to the members of this
structure, use the -> operator, as such...

size = bitmap->w * bitmap->h;

-- 
TTFN
Sly (Steve)
sly AT aussie DOT net

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