1URL: http://www.libpng.org/pub/png/libpng.html 2Version: 1.6.22rc01 3License: libpng license 4License File: LICENSE, pulled out of png.h 5Description: png compression/decompression library 6Local Modifications: 7 (1) Created pnglibconf.h from pnglibconf.h.prebuilt. This 8 is mostly a rename, with Skia-specific settings at the end. 9 The only difference is for pngprefix.h. 10 (2) Included Intel optimizations by running: 11 "patch -i contrib/intel/intel_sse.patch -p1" 12 (3) Removed files unused by Skia 13 (4) Fixed an undefined behavior bug (skbug.com/5390) 14 (5) Add pngprefix.h, so multiple versions of libpng can 15 coexist. 16