libpng | readme for libpng version

libpng is a C library. libpng has no bugs, it has no vulnerabilities and it has low support. However libpng has a Non-SPDX License. You can download it from GitHub.

readme for libpng version 1.6.26 - october 20, 2016 (shared library 16.0) see the note about version numbers near the top of png.h. see install for instructions on how to install libpng. libpng comes in several distribution formats. get libpng-.tar.gz or libpng-.tar.xz or if you want unix-style line endings in the text files, or lpng*.7z or lpng*.zip if you want dos-style line endings. version 0.89 was the first official release of libpng. don't let the fact that it's the first release fool you. the libpng library has been in extensive use and testing since mid-1995. by late 1997 it had finally gotten to the stage where there hadn't been significant changes to the api in some time, and people have a bad feeling about libraries with versions < 1.0. version 1.0.0 was released in march 1998. note that some of the changes to the png_info structure render this version of the library binary incompatible with libpng-0.89 or earlier versions if you are using a shared library. the type of the "filler" parameter for png_set_filler() has changed from png_byte to png_uint_32, which will affect shared-library applications that use this function. to avoid problems with changes to the internals of png info_struct, new apis have been made available in