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John Bowler 59ae38984f [libpng16] Corrected simplified API default gamma for color-mapped output, added 
a flag to change default. In 1.6.0 when the simplified API was used
to produce color-mapped output from an input image with no gamma
information the gamma assumed for the input could be different from
that assumed for non-color-mapped output.  In particular 16-bit depth
input files were assumed to be sRGB encoded, whereas in the 'direct'
case they were assumed to have linear data.  This was an error.  The
fix makes the simplified API treat all input files the same way and
adds a new flag to the png_image::flags member to allow the
application/user to specify that 16-bit files contain sRGB data
rather than the default linear.
Fixed bugs in the pngpixel and makepng test programs.
2013-03-06 22:15:25 -06:00
..
iccfrompng.c [libpng16] Updated license info in contrib/examples and example.c 2011-11-25 07:27:51 -06:00
pngpixel.c [libpng16] Corrected simplified API default gamma for color-mapped output, added 2013-03-06 22:15:25 -06:00
pngtopng.c [libpng16] Bump version to 1.6.1beta05 2013-03-02 15:03:15 -06:00
README.txt [libpng16] Updated license info in contrib/examples and example.c 2011-11-25 07:27:51 -06:00

README.txt 

This directory (contrib/examples) contains examples of libpng usage.

NO COPYRIGHT RIGHTS ARE CLAIMED TO ANY OF THE FILES IN THIS DIRECTORY.

To the extent possible under law, the authors have waived all copyright and
related or neighboring rights to this work.  This work is published from:
United States.

The files may be used freely in any way.  The intention is that appropriate
parts of the files be used in other libpng-using programs without any need for
the authors of the using code to seek copyright or license from the original
authors.

The source code and comments in this directory are the original work of the
people named below.  No other person or organization has made contributions to
the work in this directory.

ORIGINAL AUTHORS
    The following people have contributed to the code in this directory.  None
    of the people below claim any rights with regard to the contents of this
    directory.

    John Bowler <jbowler@acm.org>