From:	Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: using textout to output the RGB of a color (allegro)
Organization:	Pin Eight Software http://pineight.8m.com/
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NNTP-Posting-Date:	Sat, 16 Sep 2000 05:46:36 GMT
Distribution:	world
Date:	Sat, 16 Sep 2000 05:46:36 GMT
To:	djgpp AT delorie DOT com
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Reply-To:	djgpp AT delorie DOT com

On Fri, 15 Sep 2000 22:54:24 GMT, "a Peirano" <aldo DOT peirano AT home DOT com>
wrote:

>Hi i'm fairly new to programming with Djgpp and C++ but I was
>wondering if there was a way of printing out the RGB of a colour
>using the textout function.

C:\>info allegro true getr
C:\>info allegro text textprintf

// Once you have the pixel color value...
int pixval = getpixel(bmp, x, y);

// convert it to RGB and display it.
textprintf(screen, font, 0, 0, 15, "rgb = %d %d %d",
           getr(pixval), getg(pixval), getb(pixval));

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