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#include <png.h> #include <pnginfo.h> // ãã¼ã¿èªè¾¼æã®ã³ã¼ã«ããã¯é¢æ° int offset = 0; void ReadEndProcess( png_structp _pPng, png_bytep _buf, png_size_t _size ) { uint8* p = (uint8*)png_get_io_ptr( _pPng ); memcpy( _buf, p+offset, _size ); offset += _size; } bool IsPNG( const uint8* _pData ) { if( png_sig_cmp( _pData, 0, 8 ) != 0 ) { return false; } return true; } // ãã¯ã¹ãã£ã®èªã¿è¾¼ã¿ã bool Load( const uint8* _pData,
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LibPng: PNG image compression library Version 1.2.37 Description The libpng package contains a library of functions for creating and manipulating PNG (Portable Network Graphics) image format files. PNG is a bit-mapped graphics format similar to the GIF format. PNG was created to replace the GIF format, since GIF uses a patented data compression algorithm. Libpng should be installed if you need to
libpng is the official PNG reference library. It supports almost all PNG features, is extensible, and has been extensively tested for over 28 years. The home site for development versions (i.e., may be buggy or subject to change or include experimental features) is https://libpng.sourceforge.io/, and the place to go for questions about the library is the png-mng-implement mailing list. libpng is a
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