libpng
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LIBPNG: Portable Network Graphics support, official libpng repository
At present the PNGv2 and earlier specifications allow eXIf to be placed either before or after IDAT (but not both). libpng allows this but doesn't make "after" easy; for any...
This issue tracks open issues with respect to libpng18 entering beta.
I try build libpng using Cmake::FetchContent ```cmake cmake_minimum_required(VERSION 3.19) project(png-usage) # more logging from FetchContent set(FETCHCONTENT_QUIET OFF) include(FetchContent) FetchContent_Declare( zlib_repo GIT_REPOSITORY "https://github.com/madler/zlib" ) FetchContent_MakeAvailable(zlib_repo) # app_zlib add_executable(app_zlib app_z.cpp) target_link_libraries(app_zlib zlib)...