delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/1997/10/20/14:31:32

From: Vic <tudor AT cam DOT org>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: allegro SVGA modes
Date: Sun, 19 Oct 1997 22:26:01 -0400
Organization: Communications Accessibles Montreal, Quebec Canada
Lines: 14
Message-ID: <344AC139.226C@cam.org>
References: <625mhq$i7k$1 AT news DOT cybernex DOT net>
NNTP-Posting-Host: dynppp-138.hip.cam.org
Mime-Version: 1.0
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

Ethan Giordano wrote:
> 
> i've been using VGA mode 320x200 for a while but want to use SVGA 16bit
> 640x480. how do palettes work in SVGA mode when you can have more than 256
> colors? i couldn't find any SVGA docs with what is included with allegro.
you use the makecol function. 
makecol(R, G, B). Like this : 
putpixel(screen,100,100, makecol(100,100,100) );
for a shade of gray. In any color mode, makecol will return the closest
color to what you gave.
-- 
--> http://www.cam.org/~tudor <--
Go ahead and build another Messiah
We dig another grave...

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019