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[libpng16] Reverted addition of png_set_filler_16 and png_set_add_alpha_16()

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functions. They unnecessarily duplicate png_set_filler() and png_set_add_alpha()
which now work properly with 16-bit images.
This commit is contained in:
Glenn Randers-Pehrson
2015-09-24 22:39:53 -05:00
parent 5b038f83e7
commit 01a0e8062d
13 changed files with 63 additions and 135 deletions
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9
ANNOUNCE
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@@ -1,4 +1,4 @@
Libpng 1.6.19beta03 - September 24, 2015
Libpng 1.6.19beta03 - September 25, 2015
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@@ -64,7 +64,7 @@ Version 1.6.19beta02 [August 19, 2015]
in ANSI-C (unlike 0x80000000 in the signed case) the checking that
occurs later can catch them (John Bowler).
Version 1.6.19beta03 [September 24, 2015]
Version 1.6.19beta03 [September 25, 2015]
Fixed png_save_int_32 when int is not 2's complement (John Bowler).
Updated libpng16 with all the recent test changes from libpng17,
including changes to pngvalid.c to ensure that the original,
@@ -83,11 +83,6 @@ Version 1.6.19beta03 [September 24, 2015]
slightly different error limits this simplifies maintenance. The
makepngs.sh script has also been updated to more accurately reflect
current problems in libpng 1.7 (John Bowler).
Reverted the fix of byte order in png_do_read_filler() with 16-bit
input that was made in version 1.6.17beta01, to preserve legacy
behavior even though it was incorrect. Instead, added new API
png_set_filter_16() and png_set_add_alpha_16() that set a flag to
make png_do_read_filter() interpret the filler bytes properly.
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