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(regression introduced by 5b177b3cab5cfb661256c1e74df160158ec6c34e)
The SSE2 implementation of progressive Huffman encoding performed
extraneous iterations when the scan length was a multiple of 16.
Based on:
https://github.com/rouault/libjpeg-turbo/commit/bb7f1ef98305da915e581b59bd0ec2ef7bdb8468
Fixes #335
Closes #367
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This commit does the following:
-- Merges the two glueware functions (read_icc_profile() and
write_icc_profile()) from iccjpeg.c, which is contained in downstream
projects such as LCMS, Ghostscript, Mozilla, etc. These functions were
originally intended for inclusion in libjpeg, but Tom Lane left the IJG
before that could be accomplished. Since then, programs and libraries
that needed to embed/extract ICC profiles in JPEG files had to include
their own local copy of iccjpeg.c, which is suboptimal.
-- The new functions were prefixed with jpeg_ and split into separate
files for the compressor and decompressor, per the existing libjpeg
coding standards.
-- jpeg_write_icc_profile() was made slightly more fault-tolerant.
It will now trigger a libjpeg error if it is called before
jpeg_start_compress() or if it is passed NULL arguments.
-- jpeg_read_icc_profile() was made slightly more fault-tolerant.
It will now trigger a libjpeg error if it is called before
jpeg_read_header() or if it is passed NULL arguments. It will also
now trigger libjpeg warnings if the ICC profile data is corrupt.
-- The code comments have been wordsmithed.
-- Note that the one-line setup_read_icc_profile() function was not
included. Instead, libjpeg.txt now documents the need to call
jpeg_save_markers(cinfo, JPEG_APP0 + 2, 0xFFFF) prior to calling
jpeg_read_header(), if jpeg_read_icc_profile() is to be used.
-- Adds documentation for the new functions to libjpeg.txt.
-- Adds an -icc switch to cjpeg and jpegtran that allows those programs
to embed an ICC profile in the JPEG files they generate.
-- Adds an -icc switch to djpeg that allows that program to extract an
ICC profile from a JPEG file while decompressing.
-- Adds appropriate unit tests for all of the above.
-- Bumps the SO_AGE of the libjpeg API library to indicate the presence
of new API functions.
Note that the licensing information was obtained from:
https://github.com/mm2/Little-CMS/issues/37#issuecomment-66450180
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1337 632fc199-4ca6-4c93-a231-07263d6284db
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@908 632fc199-4ca6-4c93-a231-07263d6284db
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@903 632fc199-4ca6-4c93-a231-07263d6284db
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This eliminates the need to check most of the test images into the repository, which keeps the source tarball to a reasonable size.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@900 632fc199-4ca6-4c93-a231-07263d6284db
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@771 632fc199-4ca6-4c93-a231-07263d6284db
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@761 632fc199-4ca6-4c93-a231-07263d6284db
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