Portable Network Graphics: Difference between revisions

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'''PNG''' (Portable Network Graphics) is an extensible image file format for the lossless compression of raster images.  PNG is one of three image formats (JPG and GIF are the others) usable on the [[world wide web]] as of 2011.  PNG provides a patent-free replacement for GIF files. Indexed-color, grayscale, and truecolor images are supported, plus an optional alpha channel for transparency. Sample depths range from 1 to 16 bits per component (up to 48bit images for RGB, or 64bit for RGBA).
'''PNG''' (Portable Network Graphics) is an extensible image file format for the lossless compression of raster images.  PNG is an image format (along with JPG, GIF, and sometimes TIFF or BMP) usable on the [[world wide web]] for almost all browsers as of 2011.  PNG provides a patent-free replacement for GIF files, and for some TIFF's. Indexed-color, grayscale, and truecolor images are supported, plus an optional alpha channel for transparency.

Revision as of 04:45, 26 December 2011

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PNG (Portable Network Graphics) is an extensible image file format for the lossless compression of raster images. PNG is an image format (along with JPG, GIF, and sometimes TIFF or BMP) usable on the world wide web for almost all browsers as of 2011. PNG provides a patent-free replacement for GIF files, and for some TIFF's. Indexed-color, grayscale, and truecolor images are supported, plus an optional alpha channel for transparency.