2015-01-17 14:53:18 -05:00
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This demonstrates the use of PNG_USER_CONFIG, pngusr.h and pngusr.dfa
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The makefile builds a minimal read-only decoder with embedded libpng
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and zlib.
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Specify the location of the zlib source (1.2.1 or later) as ZLIBSRC
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on the make command line.
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If you prefer to use the shared libraries, go to contrib/pngminus
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and build the png2pnm application there.
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