delorie.com/archives/browse.cgi | search |
From: | Alexei Levenko <alexei DOT Levenko AT in DOT stud DOT tu-ilmenau DOT de> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: Allegro shading, once again I'm lost |
Date: | Wed, 14 Jul 1999 15:39:42 +0200 |
Organization: | TU Ilmenau |
Lines: | 11 |
Message-ID: | <378C931E.14AEE6C1@in.stud.tu-ilmenau.de> |
References: | <378C896D DOT BA341D0 AT ameritech DOT net> |
NNTP-Posting-Host: | lanai.theoinf.tu-ilmenau.de |
Mime-Version: | 1.0 |
X-Mailer: | Mozilla 4.61 [en] (Win95; I) |
X-Accept-Language: | en,ru |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
[skipped] In 8bit mode you have Color = ShadePalette[ BMP->line[y][x] ] [ 0 ] In 16bit mode you have double ShadeCoefficient; Color = BMP->line[y][x] * ShadeCoefficient; or if you prefer fixed-point, then long ShadeCoefficient; Color = (BMP->line[y][x] * ShadeCoefficient) >> 8;
webmaster | delorie software privacy |
Copyright © 2019 by DJ Delorie | Updated Jul 2019 |