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libpng: Update to upstream version 1.6.35

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This commit is contained in:
Rémi Verschelde
2018-07-28 10:56:24 +02:00
parent 4e4702e386
commit f4e682d717
22 changed files with 1244 additions and 1224 deletions
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9
thirdparty/libpng/pngwrite.c vendored
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@@ -1,8 +1,8 @@
/* pngwrite.c - general routines to write a PNG file
*
* Last changed in libpng 1.6.32 [August 24, 2017]
* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
* Last changed in libpng 1.6.35 [July 15, 2018]
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -1636,7 +1636,7 @@ png_write_image_16bit(png_voidp argument)
* calculation can be done to 15 bits of accuracy; however, the output needs to
* be scaled in the range 0..255*65535, so include that scaling here.
*/
# define UNP_RECIPROCAL(alpha) ((((0xffff*0xff)<<7)+(alpha>>1))/alpha)
# define UNP_RECIPROCAL(alpha) ((((0xffff*0xff)<<7)+((alpha)>>1))/(alpha))
static png_byte
png_unpremultiply(png_uint_32 component, png_uint_32 alpha,
@@ -2162,8 +2162,7 @@ png_image_write_main(png_voidp argument)
static void (PNGCBAPI
image_memory_write)(png_structp png_ptr, png_bytep/*const*/ data,
png_size_t size)
image_memory_write)(png_structp png_ptr, png_bytep/*const*/ data, size_t size)
{
png_image_write_control *display = png_voidcast(png_image_write_control*,
png_ptr->io_ptr/*backdoor: png_get_io_ptr(png_ptr)*/);