libpng14: libpng14 (Portable Network Graphics library v1.4) libpng14: libpng14: PNG (Portable Network Graphics) is an extensible file format for the libpng14: lossless, portable, well-compressed storage of raster images. PNG libpng14: provides a patent-free replacement for GIF and can also replace many libpng14: common uses of TIFF. Indexed-color, grayscale, and truecolor images libpng14: are supported, plus an optional alpha channel. Sample depths range libpng14: from 1 to 16 bits. libpng14: libpng14: libpng14: