1This demonstrates the use of PNG_USER_CONFIG, pngusr.h and pngusr.dfa
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3The makefile builds a minimal read-only decoder with embedded libpng
4and zlib.
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6Specify the location of the zlib source (1.2.1 or later) as ZLIBSRC
7on the make command line.
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9If you prefer to use the shared libraries, go to contrib/pngminus
10and build the png2pnm application there.
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