From:	ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Transparent colours with allegro.
Date:	31 Jan 1998 05:15:58 GMT
Organization:	The National Capital FreeNet
Lines:	16
Message-ID:	<6auc2e$oe6@freenet-news.carleton.ca>
References:	<01bd2d22$db496440$ce51dece AT stachowiak>
Reply-To:	ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
NNTP-Posting-Host:	freenet3.carleton.ca
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

"Helix" (maciek AT compmore DOT net) writes:
> Could someone help me out, I would like to know how to select one color
> form a pallete and make it transparent. I would appreciate some examples of
> some code. THANKS

Easy: make that color color index 0, then use it in sprites etc.

(Since you mention palettes I assume you're using an 8-bit mode. If you
are using truecoloror highcolor, there is only one palette, albeit a huge
one, and the magenta color (255,0,255) is the transparent one.)
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Paul Derbyshire ao950 AT freenet DOT carleton DOT ca pgd73 AT hotmail DOT com

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