Difference between revisions of "Portable Network Graphics"

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==Portable Network Graphics (PNG)==
  
 
'''[[PNG]]''' ([[Portable Network Graphics]]) is a bitmapped image format that employs lossless data compression. PNG was created to improve and replace the GIF format, as an image-file format not requiring a patent license. PNG is pronounced "ping" (/pɪŋ/ in IPA), but can be spoken "P-N-G".
 
'''[[PNG]]''' ([[Portable Network Graphics]]) is a bitmapped image format that employs lossless data compression. PNG was created to improve and replace the GIF format, as an image-file format not requiring a patent license. PNG is pronounced "ping" (/pɪŋ/ in IPA), but can be spoken "P-N-G".

Latest revision as of 20:52, 16 February 2009

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Portable Network Graphics (PNG)

PNG (Portable Network Graphics) is a bitmapped image format that employs lossless data compression. PNG was created to improve and replace the GIF format, as an image-file format not requiring a patent license. PNG is pronounced "ping" (/pɪŋ/ in IPA), but can be spoken "P-N-G".

PNG supports palette-based (palettes of 24-bit RGB colors) or greyscale or RGB images. PNG was designed for transferring images on the Internet, not professional graphics, and so does not support other color spaces (such as CMYK).

PNG files nearly always use file-extension "PNG" or "png" and are assigned MIME media type "image/png".


http://www.libpng.org/pub/png/


http://en.wikipedia.org/wiki/PNG


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