0c86eb2dc7
to add PNG_NO_READ_SWAP, PNG_NO_WRITE_SWAP
This demonstrates the use of PNG_USER_CONFIG and pngusr.h To build a minimal write-only decoder with embedded libpng and zlib, run gather.sh # to collect needed files from pngminus, libpng, and zlib make If you prefer to use the shared libraries, go to contrib/pngminus and build the pnm2png application there.