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1993-09-01
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ppmtoilbm now operates row-by-row whenever possible, it only reads
the whole file into memory when it must compute a colormap. Colorscaling
is now done with a lookup-table, this gives about 20% speed increase with
HAM pictures. Also, the colorscaling fomula was slightly altered to give
better results. The options "-ham8" and "-ham6" now imply "-hamforce".
The binary is "pure" and can be made resident.
The ilbmtoppm diff in the src/ppm directory just renames a variable.
On some old-style K&R-compilers it conflicted with a typedef in pbm.h.
ppmqvga is an extremly fast quantization program to 256 colors.
I just changed the option parsing a bit to conform to PBMPlus standards.
All binaries were compiled with DICE 2.07.56R, with the usual features
like dynamic stack.
-Ingo
email: Ingo.Wilken@informatik.uni-oldenburg.de