RGBCube/serenity
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11311 commits 1 branch 0 tags 230 MiB
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5 commits

Author SHA1 Message Date
devashish
4924b86b2a LibGfx+JPGLoader: Print failure message for progressive JPEGs 2020-06-28 16:56:59 +02:00
devashish
1eb338ab71 LibGfx+JPGLoader: Fix decoding outside of LibWeb 
The DC reset interval was initialized to garbage :)
 2020-06-27 18:33:11 +02:00
devashish
4b19b99b36 JPGLoader: Move JPGLoader internal structs and #defines to JPGLoader.cpp 2020-06-23 13:51:19 +02:00
devashish
a8b00780a8 LibGfx: Integrate JPEG decoder with rest of the system 
This patch adds functions like `load_jpeg` to JPGLoader to make the
JPEG decoder conform to the API that bitmap loader uses :^)
 2020-06-23 13:51:19 +02:00
Devashish
8b71b839fa LibGfx+LibWeb: Add JPEG decoder and integrate with LibWeb 
This patch adds support for JPEG decoding. The JPEG decoder is capable
of handling standard 2x1 horizontal, 2x1 vertical and quartered chroma
subsampling. The implemented Inverse DCT performs with a decent speed.

As of interchange formats, since we tend to ignore the metadata in APPn
markers, the decoder can handle any format compatible with JFIF, which
includes EXIFs and sometimes WebMs too. The decoder does not support
progressive JPEGs yet.
 2020-06-23 13:51:19 +02:00