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GIF: Difference between revisions
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* [http://www.theimage.com/animation/toc/toc.html Gifology: Understanding GIF Files & GIF Animation] | * [http://www.theimage.com/animation/toc/toc.html Gifology: Understanding GIF Files & GIF Animation] | ||
* [http://web.archive.org/web/20100929231133/http://www.etsimo.uniovi.es/gifanim/gifabout.htm All About GIF89a] | * [http://web.archive.org/web/20100929231133/http://www.etsimo.uniovi.es/gifanim/gifabout.htm All About GIF89a] | ||
=== Test images === | |||
* ImageTestSuite | |||
** [http://code.google.com/p/imagetestsuite/wiki/GIFTestSuite Documentation] | |||
** [http://code.google.com/p/imagetestsuite/downloads/detail?name=imagetestsuite-gif-1.00.tar.gz&can=2&q= Images (Archive)] | |||
** [http://code.google.com/p/imagetestsuite/source/browse/trunk/gif/ Images (SVN)] | |||
Revision as of 17:23, 24 May 2013
Animated GIFs need a spec that, in particular, specifies how to handle timings (not all browsers honor all values, so we should specify what needs to be honored exactly)
Implementations
Gecko
- http://mxr.mozilla.org/mozilla-central/source/image/decoders/nsGIFDecoder2.h
- http://mxr.mozilla.org/mozilla-central/source/image/decoders/GIF2.h
- http://mxr.mozilla.org/mozilla-central/source/image/decoders/nsGIFDecoder2.cpp
WebKit
- http://trac.webkit.org/browser/trunk/Source/WebCore/platform/image-decoders/gif/GIFImageDecoder.h
- http://trac.webkit.org/browser/trunk/Source/WebCore/platform/image-decoders/gif/GIFImageReader.h
- http://trac.webkit.org/browser/trunk/Source/WebCore/platform/image-decoders/gif/GIFImageDecoder.cpp
- http://trac.webkit.org/browser/trunk/Source/WebCore/platform/image-decoders/gif/GIFImageReader.cpp
- http://trac.webkit.org/browser/trunk/Source/WebCore/platform/image-decoders/ImageDecoder.cpp
Blink
- https://chromium.googlesource.com/chromium/blink/+/master/Source/core/platform/image-decoders/gif/GIFImageDecoder.h
- https://chromium.googlesource.com/chromium/blink/+/master/Source/core/platform/image-decoders/gif/GIFImageReader.h
- https://chromium.googlesource.com/chromium/blink/+/master/Source/core/platform/image-decoders/gif/GIFImageDecoder.cpp
- https://chromium.googlesource.com/chromium/blink/+/master/Source/core/platform/image-decoders/gif/GIFImageReader.cpp
- https://chromium.googlesource.com/chromium/blink/+/master/Source/core/platform/image-decoders/ImageDecoder.cpp
Other
- http://sourceforge.net/p/giflib/code/ci/master/tree/ (giflib)
- https://github.com/jnordberg/gif.js (gif.js)
- https://github.com/deanm/omggif (omggif)
- https://github.com/avik-das/giferly (giferly)
- http://code.google.com/p/gifdotnet/source/browse/ (gifdotnet)
References
Specifications
- GIF87a: Text (Stanford) / Text (W3C)
- GIF89a: Text / HTML
- GIF Application Extensions:
NETSCAPE2.0ANIMEXTS1.0ICCRGBG1012XMP DataXMP- XMP Specification, Part 3: Storage in Files (section 2.1.2)
fractint
Further details
- Wikipedia:Graphics Interchange Format
- GIF File Format
- What's in a GIF
- Gifology: Understanding GIF Files & GIF Animation
- All About GIF89a
Test images
- ImageTestSuite