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76e5ec217f
Disable the check on `interlace_method` inside function `compare_read` in pngimage.c, if WRITE_INTERLACING is not supported. If interlaced encoding is disabled inside libpng, the encoded images are non-interlaced silently and unconditionally. This commit updates the image comparison to skip the interlace check in the resultant image; other behavior is still checked. This is a cherry-pick of commit d9f13d8d846e08b00f6530b7a5fe07039d48c78d from branch 'libpng18'. Reviewed-by: Cosmin Truta <ctruta@gmail.com> Signed-off-by: John Bowler <jbowler@acm.org> Signed-off-by: Cosmin Truta <ctruta@gmail.com>
External contributions to libpng -------------------------------- This "contrib" directory contains contributions which are not necessarily under the libpng license, although all are open source. They are not part of libpng proper and are not used for building the library, although some are used for testing the library via "make check".