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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>]
WindowMaker raster graphics library This library is used to manipulate images and convert them to a format that can be displayed through the X window system. Read the wraster.h header for an idea of what is available This Library is LGPL and Copyright (c) Alfredo K. Kojima <kojima@inf.ufrgs.br> The following environment variables control some parameters: RIMAGE_CACHE <integer> Is the maximum number of images to store in the internal cache. Default is 8 RIMAGE_CACHE_SIZE <integer> Is the size of the biggest image to store in the cache. Default is 4k (64x64) Porting ======= It should be fairly easy to port it to other environments (svgalib, libggi etc), probably only requiring wraster.h, context.c and convert.c to be changed. Note that the X specific code should be disabled in that case, including support for libXpm.