Getting the Source Code

All of the source files for the rpng demo program (rpng-x.c, rpng-win.c, readpng.c, readpng.h, and makefiles) are available both in print and electronically, under a BSD-like Open Source license. The files will be available for download from the following URL for the foreseeable future:

http://www.libpng.org/pub/png/pngbook.html

Bug fixes, new features and ports, and other contributions may be integrated into the code, time permitting.

libpng source code is available from the following URLs:

http://www.libpng.org/pub/png/libpng.html
http://libpng.sourceforge.net/

zlib source code is available from the following site:

http://www.zlib.org/