libpng源码，最新的libpng,包含zlib，主要用于png格式的解析。其中包含VC的工程，可以直接编译出lib和d-libpng source, the latest of libpng, including zlib, mainly used png format parsing. Which contains the VC project, you can directly compile the lib and dll

full source code with JPG, PNG, TIF, ZLIB, Jbig, JasPer, LibMNG, LibDCR, LibPSD libraries, documentation and demo for Microsoft VisualStudio6 (VC++, VB), Visual Studio 2005 (Win32, x64 and WinCE), wxDev-C-full source code with JPG, PNG, TIF, ZLIB,