From: Damian Yerrick <MYNAMEISd_yerrick AT hotmail DOT comNO2CANNEDHAM>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Allegro - masked_blit();
Organization: Pin Eight Software <http://pineight.8m.com/>
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References: <867egt$dpf$1 AT barcode DOT tesco DOT net>
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NNTP-Posting-Date: Thu, 20 Jan 2000 18:37:26 GMT
Distribution: world
Date: Thu, 20 Jan 2000 18:37:26 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

"Paul Bibbings" <paul DOT bibbings AT tesco DOT net> wrote in message
<867egt$dpf$1 AT barcode DOT tesco DOT net>...
>    What I'm trying to do is simple enough, but I'm stuck with how to set
>transparent pixels. My program simply draws a chessboard to the screen, then
>accesses a single bitmap showing the chess pieces (black on a white
>background). The question is, what do I need to do so that the masked_blit()
>interprets the background as transparent, hence allowing the board to be
>seen behind the pieces.

Get a paint program (NeoPaint, GIMP, etc.) that lets you see the
indexed palette (no MS Paint). Then fill the space between pieces with
color 0.

-- 
Damian Yerrick  http://yerricde.tripod.com/
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