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wrlib: Improvement in the alpha channel support.

There are some problems in the alpha channel support, as is
reported at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=72917

This patch add a new RCombineAlpha function, based on Gimp. This
function is called when needed in the raster.c functions.

This patch is based on the Brad Jorsch <anomie@users.sourceforge.net>
patch for the 0.62.1-0.1 version.

[crmafra: v1 was sent by Rodolfo kix Garcia <kix@kix.es>]
This commit is contained in:
Christophe CURIS
2012-01-15 20:45:54 +01:00
committed by Carlos R. Mafra
parent e06b3005e8
commit 3ed409cbd0
5 changed files with 142 additions and 92 deletions

View File

@@ -20,6 +20,7 @@ include_HEADERS = wraster.h
libwraster_la_SOURCES = \
raster.c \
alpha_combine.c \
draw.c \
color.c \
load.c \