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[devel] Documented png_set_alpha_mode(), other changes in libpng.3 and

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libpng-manual.txt.
  The cHRM chunk now sets the defaults for png_set_rgb_to_gray() (when negative
    parameters are supplied by the caller), while in the absence of cHRM
    sRGB/Rec 709 values are still used.
  The bKGD chunk no longer overwrites the background value set by
    png_set_background(), allowing the latter to be used before the file
    header is read. It never performed any useful function to override
    the default anyway.

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This commit is contained in:
John Bowler
2011-05-12 21:48:29 -05:00
committed by Glenn Randers-Pehrson
parent ed4d32baa4
commit cb0b29631f
7 changed files with 718 additions and 269 deletions
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14
ANNOUNCE
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@@ -1,5 +1,5 @@
Libpng 1.5.3beta08 - May 12, 2011
Libpng 1.5.3beta08 - May 13, 2011
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.
@@ -112,8 +112,16 @@ Version 1.5.3beta07 [May 11, 2011]
Check for up->location !PNG_AFTER_IDAT when writing unknown chunks
before IDAT.
Version 1.5.3beta08 [May 12, 2011]
Improve "pngvalid --speed" to exclude more of pngvalid from the time.
Version 1.5.3beta08 [May 13, 2011]
Improved "pngvalid --speed" to exclude more of pngvalid from the time.
Documented png_set_alpha_mode(), other changes in libpng.3/libpng-manual.txt
The cHRM chunk now sets the defaults for png_set_rgb_to_gray() (when negative
parameters are supplied by the caller), while in the absence of cHRM
sRGB/Rec 709 values are still used.
The bKGD chunk no longer overwrites the background value set by
png_set_background(), allowing the latter to be used before the file
header is read. It never performed any useful function to override
the default anyway.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
(subscription required; visit