User:Manetta/image-file-formats-an-enquiry: Difference between revisions
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=image file formats, | =image file formats, a little enquiry= | ||
''An image file format may store data in uncompressed, compressed, or vector formats. Once rasterized, an image becomes a grid of pixels, each of which has a number of bits to designate its color equal to the color depth of the device displaying it. [http://en.wikipedia.org/wiki/Image_file_formats]'' | ''An image file format may store data in uncompressed, compressed, or vector formats. Once rasterized, an image becomes a grid of pixels, each of which has a number of bits to designate its color equal to the color depth of the device displaying it. [http://en.wikipedia.org/wiki/Image_file_formats]'' | ||
Revision as of 18:48, 25 September 2014
image file formats, a little enquiry
An image file format may store data in uncompressed, compressed, or vector formats. Once rasterized, an image becomes a grid of pixels, each of which has a number of bits to designate its color equal to the color depth of the device displaying it. [1]
.bmp
official name: Windows bitmap
owner: Microsoft
file extension: .bmp, .dib, .rle, .2bp (2bpp)
mime-type: image/x-bmp
application: Used by many 2D applications.
patented: NO
.jpg / .jpeg
official name: Joint Photographic Experts Group
owner: Joint Photographic Experts Group
file extension: .jpg, .jpeg, .jpe (containers: .jif, .jfif, .jfi)
mime-type: image/jpeg
application: Photographic images. Supported by most web browsers.
patented: Expired (see also Forgent#JPEG)
--> JPEG 2000 ?
.png
official name: Portable Network Graphics
owner: World Wide Web Consortium
file extension: .png
mime-type: image/png
application: W3C endorsed replacement for GIF. Supported by most web browsers.
patented: NO
