[libpng17] Completed full working pngimage test program and added two test

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scripts.  Fixed combination of ~alpha with shift. On read invert alpha,
processing occurred after shift processing, which causes the final values to be
outside the range that should be produced by the shift. Reversing the
order on read makes the two transforms work together correctly and mirrors
the order used on write.

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This commit is contained in:

John Bowler

2014-02-05 11:39:59 -06:00

committed by Glenn Randers-Pehrson

parent cf354c2c82

commit dc63b03da1

7 changed files with 1509 additions and 184 deletions

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contrib/libtests/pngimage.c

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