From: "Damian Yerrick" <mail DOT me DOT at DOT your DOT own DOT risk AT pineight DOT 8m DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Allegro 3D functions - won't display on right half of the screen
Date: Sun, 12 Sep 1999 11:26:11 -0500
Organization: Rose-Hulman Institute of Technology
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References: <37DBC0DF DOT 7A5D AT ns DOT sympatico DOT ca>
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Klaas <klaas AT ns DOT sympatico DOT ca> wrote in message
news:37DBC0DF DOT 7A5D AT ns DOT sympatico DOT ca...
> I built a basic rotating cube demo with the allegro polygon and matrix
> functions, but I have a problem.  The cube displays as expected when in
> 8bit color (cube in center of the screen).  BUT, when I change NOTHING
> else in the program besides the color depth (to 16), the "view area"
> gets cuts in half - the cube is displayed 1/4 from the left edge of the
> screen, and when I apply transformations to move the cube around, it
> gets clipped at half the screen width.

It looks like you are trying to draw to an 8-bit bitmap, then copy
to a 16. Try set_color_depth() before you create_bitmap().

Damian Yerrick
http://come.to/yerrick
http://pineight.webjump.com