libpng: Update to upstream version 1.6.31rc01
Fixes various issues with 1.6.30, especially ARM build. Supersedes change in #9722.
This commit is contained in:
parent
8495acc510
commit
492999a33b
18 changed files with 275 additions and 74 deletions
2
thirdparty/README.md
vendored
2
thirdparty/README.md
vendored
|
@ -107,7 +107,7 @@ Files extracted from upstream source:
|
|||
## libpng
|
||||
|
||||
- Upstream: http://libpng.org/pub/png/libpng.html
|
||||
- Version: 1.6.30
|
||||
- Version: 1.6.31rc01
|
||||
- License: libpng/zlib
|
||||
|
||||
Files extracted from upstream source:
|
||||
|
|
6
thirdparty/libpng/arm/filter_neon.S
vendored
6
thirdparty/libpng/arm/filter_neon.S
vendored
|
@ -1,9 +1,9 @@
|
|||
|
||||
/* filter_neon.S - NEON optimised filter functions
|
||||
*
|
||||
* Copyright (c) 2014 Glenn Randers-Pehrson
|
||||
* Copyright (c) 2014,2017 Glenn Randers-Pehrson
|
||||
* Written by Mans Rullgard, 2011.
|
||||
* Last changed in libpng 1.6.16 [December 22, 2014]
|
||||
* Last changed in libpng 1.6.31 [(PENDING RELEASE)]
|
||||
*
|
||||
* This code is released under the libpng license.
|
||||
* For conditions of distribution and use, see the disclaimer
|
||||
|
@ -16,7 +16,7 @@
|
|||
#define PNG_VERSION_INFO_ONLY
|
||||
#include "../pngpriv.h"
|
||||
|
||||
#if defined(__linux__) && defined(__ELF__)
|
||||
#if (defined(__linux__) || defined(__FreeBSD__)) && defined(__ELF__)
|
||||
.section .note.GNU-stack,"",%progbits /* mark stack as non-executable */
|
||||
#endif
|
||||
|
||||
|
|
71
thirdparty/libpng/png.c
vendored
71
thirdparty/libpng/png.c
vendored
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* png.c - location for general purpose libpng functions
|
||||
*
|
||||
* Last changed in libpng 1.6.30 [(PENDING RELEASE)]
|
||||
* Last changed in libpng 1.6.31 [(PENDING RELEASE)]
|
||||
* Copyright (c) 1998-2002,2004,2006-2017 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.)
|
||||
|
@ -14,7 +14,27 @@
|
|||
#include "pngpriv.h"
|
||||
|
||||
/* Generate a compiler error if there is an old png.h in the search path. */
|
||||
typedef png_libpng_version_1_6_30 Your_png_h_is_not_version_1_6_30;
|
||||
typedef png_libpng_version_1_6_31rc01 Your_png_h_is_not_version_1_6_31rc01;
|
||||
|
||||
#ifdef __GNUC__
|
||||
/* The version tests may need to be added to, but the problem warning has
|
||||
* consistently been fixed in GCC versions which obtain wide-spread release.
|
||||
* The problem is that many versions of GCC rearrange comparison expressions in
|
||||
* the optimizer in such a way that the results of the comparison will change
|
||||
* if signed integer overflow occurs. Such comparisons are not permitted in
|
||||
* ANSI C90, however GCC isn't clever enough to work out that that do not occur
|
||||
* below in png_ascii_from_fp and png_muldiv, so it produces a warning with
|
||||
* -Wextra. Unfortunately this is highly dependent on the optimizer and the
|
||||
* machine architecture so the warning comes and goes unpredictably and is
|
||||
* impossible to "fix", even were that a good idea.
|
||||
*/
|
||||
#if __GNUC__ == 7 && __GNUC_MINOR__ == 1
|
||||
#define GCC_STRICT_OVERFLOW 1
|
||||
#endif /* GNU 7.1.x */
|
||||
#endif /* GNU */
|
||||
#ifndef GCC_STRICT_OVERFLOW
|
||||
#define GCC_STRICT_OVERFLOW 0
|
||||
#endif
|
||||
|
||||
/* Tells libpng that we have already handled the first "num_bytes" bytes
|
||||
* of the PNG file signature. If the PNG data is embedded into another
|
||||
|
@ -595,6 +615,16 @@ png_free_data(png_const_structrp png_ptr, png_inforp info_ptr, png_uint_32 mask,
|
|||
}
|
||||
#endif
|
||||
|
||||
#ifdef PNG_eXIf_SUPPORTED
|
||||
/* Free any eXIf entry */
|
||||
if (((mask & PNG_FREE_EXIF) & info_ptr->free_me) != 0)
|
||||
{
|
||||
png_free(png_ptr, info_ptr->exif);
|
||||
info_ptr->exif = NULL;
|
||||
info_ptr->valid &= ~PNG_INFO_eXIf;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef PNG_hIST_SUPPORTED
|
||||
/* Free any hIST entry */
|
||||
if (((mask & PNG_FREE_HIST) & info_ptr->free_me) != 0)
|
||||
|
@ -776,14 +806,14 @@ png_get_copyright(png_const_structrp png_ptr)
|
|||
#else
|
||||
# ifdef __STDC__
|
||||
return PNG_STRING_NEWLINE \
|
||||
"libpng version 1.6.30 - June 28, 2017" PNG_STRING_NEWLINE \
|
||||
"libpng version 1.6.31rc01 - July 19, 2017" PNG_STRING_NEWLINE \
|
||||
"Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson" \
|
||||
PNG_STRING_NEWLINE \
|
||||
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
|
||||
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
|
||||
PNG_STRING_NEWLINE;
|
||||
# else
|
||||
return "libpng version 1.6.30 - June 28, 2017\
|
||||
return "libpng version 1.6.31rc01 - July 19, 2017\
|
||||
Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson\
|
||||
Copyright (c) 1996-1997 Andreas Dilger\
|
||||
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
|
||||
|
@ -2857,6 +2887,14 @@ png_pow10(int power)
|
|||
/* Function to format a floating point value in ASCII with a given
|
||||
* precision.
|
||||
*/
|
||||
#if GCC_STRICT_OVERFLOW
|
||||
#pragma GCC diagnostic push
|
||||
/* The problem arises below with exp_b10, which can never overflow because it
|
||||
* comes, originally, from frexp and is therefore limited to a range which is
|
||||
* typically +/-710 (log2(DBL_MAX)/log2(DBL_MIN)).
|
||||
*/
|
||||
#pragma GCC diagnostic warning "-Wstrict-overflow=2"
|
||||
#endif /* GCC_STRICT_OVERFLOW */
|
||||
void /* PRIVATE */
|
||||
png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size,
|
||||
double fp, unsigned int precision)
|
||||
|
@ -2946,7 +2984,7 @@ png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size,
|
|||
*/
|
||||
if (exp_b10 < 0 && exp_b10 > -3) /* PLUS 3 TOTAL 4 */
|
||||
{
|
||||
czero = (unsigned int)(-exp_b10); /* PLUS 2 digits: TOTAL 3 */
|
||||
czero = 0U-exp_b10; /* PLUS 2 digits: TOTAL 3 */
|
||||
exp_b10 = 0; /* Dot added below before first output. */
|
||||
}
|
||||
else
|
||||
|
@ -3087,7 +3125,7 @@ png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size,
|
|||
|
||||
/* Check for an exponent, if we don't need one we are
|
||||
* done and just need to terminate the string. At
|
||||
* this point exp_b10==(-1) is effectively if flag - it got
|
||||
* this point exp_b10==(-1) is effectively a flag - it got
|
||||
* to '-1' because of the decrement after outputting
|
||||
* the decimal point above (the exponent required is
|
||||
* *not* -1!)
|
||||
|
@ -3101,7 +3139,7 @@ png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size,
|
|||
* zeros were *not* output, so this doesn't increase
|
||||
* the output count.
|
||||
*/
|
||||
while (--exp_b10 >= 0) *ascii++ = 48;
|
||||
while (exp_b10-- > 0) *ascii++ = 48;
|
||||
|
||||
*ascii = 0;
|
||||
|
||||
|
@ -3131,11 +3169,11 @@ png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size,
|
|||
if (exp_b10 < 0)
|
||||
{
|
||||
*ascii++ = 45; --size; /* '-': PLUS 1 TOTAL 3+precision */
|
||||
uexp_b10 = (unsigned int)(-exp_b10);
|
||||
uexp_b10 = 0U-exp_b10;
|
||||
}
|
||||
|
||||
else
|
||||
uexp_b10 = (unsigned int)exp_b10;
|
||||
uexp_b10 = 0U+exp_b10;
|
||||
|
||||
cdigits = 0;
|
||||
|
||||
|
@ -3178,6 +3216,9 @@ png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size,
|
|||
/* Here on buffer too small. */
|
||||
png_error(png_ptr, "ASCII conversion buffer too small");
|
||||
}
|
||||
#if GCC_STRICT_OVERFLOW
|
||||
#pragma GCC diagnostic pop
|
||||
#endif /* GCC_STRICT_OVERFLOW */
|
||||
|
||||
# endif /* FLOATING_POINT */
|
||||
|
||||
|
@ -3291,6 +3332,15 @@ png_fixed(png_const_structrp png_ptr, double fp, png_const_charp text)
|
|||
* the nearest .00001). Overflow and divide by zero are signalled in
|
||||
* the result, a boolean - true on success, false on overflow.
|
||||
*/
|
||||
#if GCC_STRICT_OVERFLOW /* from above */
|
||||
/* It is not obvious which comparison below gets optimized in such a way that
|
||||
* signed overflow would change the result; looking through the code does not
|
||||
* reveal any tests which have the form GCC complains about, so presumably the
|
||||
* optimizer is moving an add or subtract into the 'if' somewhere.
|
||||
*/
|
||||
#pragma GCC diagnostic push
|
||||
#pragma GCC diagnostic warning "-Wstrict-overflow=2"
|
||||
#endif /* GCC_STRICT_OVERFLOW */
|
||||
int
|
||||
png_muldiv(png_fixed_point_p res, png_fixed_point a, png_int_32 times,
|
||||
png_int_32 divisor)
|
||||
|
@ -3405,6 +3455,9 @@ png_muldiv(png_fixed_point_p res, png_fixed_point a, png_int_32 times,
|
|||
|
||||
return 0;
|
||||
}
|
||||
#if GCC_STRICT_OVERFLOW
|
||||
#pragma GCC diagnostic pop
|
||||
#endif /* GCC_STRICT_OVERFLOW */
|
||||
#endif /* READ_GAMMA || INCH_CONVERSIONS */
|
||||
|
||||
#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_INCH_CONVERSIONS_SUPPORTED)
|
||||
|
|
42
thirdparty/libpng/png.h
vendored
42
thirdparty/libpng/png.h
vendored
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* png.h - header file for PNG reference library
|
||||
*
|
||||
* libpng version 1.6.30, June 28, 2017
|
||||
* libpng version 1.6.31rc01, July 19, 2017
|
||||
*
|
||||
* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -12,7 +12,7 @@
|
|||
* Authors and maintainers:
|
||||
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
|
||||
* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
|
||||
* libpng versions 0.97, January 1998, through 1.6.30, June 28, 2017:
|
||||
* libpng versions 0.97, January 1998, through 1.6.31rc01, July 19, 2017:
|
||||
* Glenn Randers-Pehrson.
|
||||
* See also "Contributing Authors", below.
|
||||
*/
|
||||
|
@ -25,7 +25,7 @@
|
|||
*
|
||||
* This code is released under the libpng license.
|
||||
*
|
||||
* libpng versions 1.0.7, July 1, 2000 through 1.6.30, June 28, 2017 are
|
||||
* libpng versions 1.0.7, July 1, 2000 through 1.6.31rc01, July 19, 2017 are
|
||||
* Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
|
||||
* derived from libpng-1.0.6, and are distributed according to the same
|
||||
* disclaimer and license as libpng-1.0.6 with the following individuals
|
||||
|
@ -213,7 +213,7 @@
|
|||
* ...
|
||||
* 1.5.28 15 10527 15.so.15.28[.0]
|
||||
* ...
|
||||
* 1.6.30 16 10630 16.so.16.30[.0]
|
||||
* 1.6.31 16 10631 16.so.16.31[.0]
|
||||
*
|
||||
* Henceforth the source version will match the shared-library major
|
||||
* and minor numbers; the shared-library major version number will be
|
||||
|
@ -241,13 +241,13 @@
|
|||
* Y2K compliance in libpng:
|
||||
* =========================
|
||||
*
|
||||
* June 28, 2017
|
||||
* July 19, 2017
|
||||
*
|
||||
* Since the PNG Development group is an ad-hoc body, we can't make
|
||||
* an official declaration.
|
||||
*
|
||||
* This is your unofficial assurance that libpng from version 0.71 and
|
||||
* upward through 1.6.30 are Y2K compliant. It is my belief that
|
||||
* upward through 1.6.31rc01 are Y2K compliant. It is my belief that
|
||||
* earlier versions were also Y2K compliant.
|
||||
*
|
||||
* Libpng only has two year fields. One is a 2-byte unsigned integer
|
||||
|
@ -309,8 +309,8 @@
|
|||
*/
|
||||
|
||||
/* Version information for png.h - this should match the version in png.c */
|
||||
#define PNG_LIBPNG_VER_STRING "1.6.30"
|
||||
#define PNG_HEADER_VERSION_STRING " libpng version 1.6.30 - June 28, 2017\n"
|
||||
#define PNG_LIBPNG_VER_STRING "1.6.31rc01"
|
||||
#define PNG_HEADER_VERSION_STRING " libpng version 1.6.31rc01 - July 19, 2017\n"
|
||||
|
||||
#define PNG_LIBPNG_VER_SONUM 16
|
||||
#define PNG_LIBPNG_VER_DLLNUM 16
|
||||
|
@ -318,13 +318,13 @@
|
|||
/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
|
||||
#define PNG_LIBPNG_VER_MAJOR 1
|
||||
#define PNG_LIBPNG_VER_MINOR 6
|
||||
#define PNG_LIBPNG_VER_RELEASE 30
|
||||
#define PNG_LIBPNG_VER_RELEASE 31
|
||||
|
||||
/* This should match the numeric part of the final component of
|
||||
* PNG_LIBPNG_VER_STRING, omitting any leading zero:
|
||||
*/
|
||||
|
||||
#define PNG_LIBPNG_VER_BUILD 0
|
||||
#define PNG_LIBPNG_VER_BUILD 01
|
||||
|
||||
/* Release Status */
|
||||
#define PNG_LIBPNG_BUILD_ALPHA 1
|
||||
|
@ -341,7 +341,7 @@
|
|||
#define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
|
||||
PNG_LIBPNG_BUILD_PRIVATE */
|
||||
|
||||
#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE
|
||||
#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_RC
|
||||
|
||||
/* Careful here. At one time, Guy wanted to use 082, but that would be octal.
|
||||
* We must not include leading zeros.
|
||||
|
@ -349,7 +349,7 @@
|
|||
* version 1.0.0 was mis-numbered 100 instead of 10000). From
|
||||
* version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release
|
||||
*/
|
||||
#define PNG_LIBPNG_VER 10630 /* 1.6.30 */
|
||||
#define PNG_LIBPNG_VER 10631 /* 1.6.31 */
|
||||
|
||||
/* Library configuration: these options cannot be changed after
|
||||
* the library has been built.
|
||||
|
@ -459,7 +459,7 @@ extern "C" {
|
|||
/* This triggers a compiler error in png.c, if png.c and png.h
|
||||
* do not agree upon the version number.
|
||||
*/
|
||||
typedef char* png_libpng_version_1_6_30;
|
||||
typedef char* png_libpng_version_1_6_31rc01;
|
||||
|
||||
/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
|
||||
*
|
||||
|
@ -776,6 +776,7 @@ typedef png_unknown_chunk * * png_unknown_chunkpp;
|
|||
#define PNG_INFO_sPLT 0x2000U /* ESR, 1.0.6 */
|
||||
#define PNG_INFO_sCAL 0x4000U /* ESR, 1.0.6 */
|
||||
#define PNG_INFO_IDAT 0x8000U /* ESR, 1.0.6 */
|
||||
#define PNG_INFO_eXIf 0x10000U /* GR-P, 1.6.31 */
|
||||
|
||||
/* This is used for the transformation routines, as some of them
|
||||
* change these values for the row. It also should enable using
|
||||
|
@ -1788,7 +1789,8 @@ PNG_EXPORT(99, void, png_data_freer, (png_const_structrp png_ptr,
|
|||
#define PNG_FREE_PLTE 0x1000U
|
||||
#define PNG_FREE_TRNS 0x2000U
|
||||
#define PNG_FREE_TEXT 0x4000U
|
||||
#define PNG_FREE_ALL 0x7fffU
|
||||
#define PNG_FREE_EXIF 0x8000U /* Added at libpng-1.6.31 */
|
||||
#define PNG_FREE_ALL 0xffffU
|
||||
#define PNG_FREE_MUL 0x4220U /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */
|
||||
|
||||
#ifdef PNG_USER_MEM_SUPPORTED
|
||||
|
@ -2007,6 +2009,13 @@ PNG_FIXED_EXPORT(233, void, png_set_cHRM_XYZ_fixed, (png_const_structrp png_ptr,
|
|||
png_fixed_point int_blue_Z))
|
||||
#endif
|
||||
|
||||
#ifdef PNG_eXIf_SUPPORTED
|
||||
PNG_EXPORT(246, png_uint_32, png_get_eXIf, (png_const_structrp png_ptr,
|
||||
png_inforp info_ptr, png_bytep *exif));
|
||||
PNG_EXPORT(247, void, png_set_eXIf, (png_const_structrp png_ptr,
|
||||
png_inforp info_ptr, const png_bytep exif));
|
||||
#endif
|
||||
|
||||
#ifdef PNG_gAMA_SUPPORTED
|
||||
PNG_FP_EXPORT(137, png_uint_32, png_get_gAMA, (png_const_structrp png_ptr,
|
||||
png_const_inforp info_ptr, double *file_gamma))
|
||||
|
@ -2025,9 +2034,6 @@ PNG_FIXED_EXPORT(140, void, png_set_gAMA_fixed, (png_const_structrp png_ptr,
|
|||
#ifdef PNG_hIST_SUPPORTED
|
||||
PNG_EXPORT(141, png_uint_32, png_get_hIST, (png_const_structrp png_ptr,
|
||||
png_inforp info_ptr, png_uint_16p *hist));
|
||||
#endif
|
||||
|
||||
#ifdef PNG_hIST_SUPPORTED
|
||||
PNG_EXPORT(142, void, png_set_hIST, (png_const_structrp png_ptr,
|
||||
png_inforp info_ptr, png_const_uint_16p hist));
|
||||
#endif
|
||||
|
@ -3253,7 +3259,7 @@ PNG_EXPORT(244, int, png_set_option, (png_structrp png_ptr, int option,
|
|||
* one to use is one more than this.)
|
||||
*/
|
||||
#ifdef PNG_EXPORT_LAST_ORDINAL
|
||||
PNG_EXPORT_LAST_ORDINAL(245);
|
||||
PNG_EXPORT_LAST_ORDINAL(247);
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
|
2
thirdparty/libpng/pngconf.h
vendored
2
thirdparty/libpng/pngconf.h
vendored
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngconf.h - machine configurable file for libpng
|
||||
*
|
||||
* libpng version 1.6.30, June 28, 2017
|
||||
* libpng version 1.6.31rc01, July 19, 2017
|
||||
*
|
||||
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
|
4
thirdparty/libpng/pngerror.c
vendored
4
thirdparty/libpng/pngerror.c
vendored
|
@ -1,8 +1,8 @@
|
|||
|
||||
/* pngerror.c - stub functions for i/o and memory allocation
|
||||
*
|
||||
* Last changed in libpng 1.6.26 [October 20, 2016]
|
||||
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
|
||||
* Last changed in libpng 1.6.31 [(PENDING RELEASE)]
|
||||
* Copyright (c) 1998-2002,2004,2006-2017 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.)
|
||||
*
|
||||
|
|
18
thirdparty/libpng/pngget.c
vendored
18
thirdparty/libpng/pngget.c
vendored
|
@ -773,6 +773,24 @@ png_get_sPLT(png_const_structrp png_ptr, png_inforp info_ptr,
|
|||
}
|
||||
#endif
|
||||
|
||||
#ifdef PNG_eXIf_SUPPORTED
|
||||
png_uint_32 PNGAPI
|
||||
png_get_eXIf(png_const_structrp png_ptr, png_inforp info_ptr,
|
||||
png_bytep *exif)
|
||||
{
|
||||
png_debug1(1, "in %s retrieval function", "eXIf");
|
||||
|
||||
if (png_ptr != NULL && info_ptr != NULL &&
|
||||
(info_ptr->valid & PNG_INFO_eXIf) != 0 && exif != NULL)
|
||||
{
|
||||
*exif = info_ptr->exif;
|
||||
return (PNG_INFO_eXIf);
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef PNG_hIST_SUPPORTED
|
||||
png_uint_32 PNGAPI
|
||||
png_get_hIST(png_const_structrp png_ptr, png_inforp info_ptr,
|
||||
|
|
5
thirdparty/libpng/pnginfo.h
vendored
5
thirdparty/libpng/pnginfo.h
vendored
|
@ -185,6 +185,11 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
|
|||
png_byte phys_unit_type; /* resolution type (see PNG_RESOLUTION_ below) */
|
||||
#endif
|
||||
|
||||
#ifdef PNG_eXIf_SUPPORTED
|
||||
int num_exif;
|
||||
png_bytep exif;
|
||||
#endif
|
||||
|
||||
#ifdef PNG_hIST_SUPPORTED
|
||||
/* The hIST chunk contains the relative frequency or importance of the
|
||||
* various palette entries, so that a viewer can intelligently select a
|
||||
|
|
7
thirdparty/libpng/pnglibconf.h
vendored
7
thirdparty/libpng/pnglibconf.h
vendored
|
@ -1,8 +1,8 @@
|
|||
/* libpng 1.6.30 STANDARD API DEFINITION */
|
||||
/* libpng 1.6.31rc01 STANDARD API DEFINITION */
|
||||
|
||||
/* pnglibconf.h - library build configuration */
|
||||
|
||||
/* Libpng version 1.6.30 - June 28, 2017 */
|
||||
/* Libpng version 1.6.31rc01 - July 19, 2017 */
|
||||
|
||||
/* Copyright (c) 1998-2017 Glenn Randers-Pehrson */
|
||||
|
||||
|
@ -84,6 +84,7 @@
|
|||
#define PNG_READ_USER_TRANSFORM_SUPPORTED
|
||||
#define PNG_READ_bKGD_SUPPORTED
|
||||
#define PNG_READ_cHRM_SUPPORTED
|
||||
#define PNG_READ_eXIf_SUPPORTED
|
||||
#define PNG_READ_gAMA_SUPPORTED
|
||||
#define PNG_READ_hIST_SUPPORTED
|
||||
#define PNG_READ_iCCP_SUPPORTED
|
||||
|
@ -153,6 +154,7 @@
|
|||
#define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
|
||||
#define PNG_WRITE_bKGD_SUPPORTED
|
||||
#define PNG_WRITE_cHRM_SUPPORTED
|
||||
#define PNG_WRITE_eXIf_SUPPORTED
|
||||
#define PNG_WRITE_gAMA_SUPPORTED
|
||||
#define PNG_WRITE_hIST_SUPPORTED
|
||||
#define PNG_WRITE_iCCP_SUPPORTED
|
||||
|
@ -170,6 +172,7 @@
|
|||
#define PNG_WRITE_zTXt_SUPPORTED
|
||||
#define PNG_bKGD_SUPPORTED
|
||||
#define PNG_cHRM_SUPPORTED
|
||||
#define PNG_eXIf_SUPPORTED
|
||||
#define PNG_gAMA_SUPPORTED
|
||||
#define PNG_hIST_SUPPORTED
|
||||
#define PNG_iCCP_SUPPORTED
|
||||
|
|
41
thirdparty/libpng/pngpriv.h
vendored
41
thirdparty/libpng/pngpriv.h
vendored
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngpriv.h - private declarations for use inside libpng
|
||||
*
|
||||
* Last changed in libpng 1.6.30 [(PENDING RELEASE)]
|
||||
* Last changed in libpng 1.6.31 [(PENDING RELEASE)]
|
||||
* Copyright (c) 1998-2002,2004,2006-2017 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.)
|
||||
|
@ -35,7 +35,9 @@
|
|||
* Windows/Visual Studio) there is no effect; the OS specific tests below are
|
||||
* still required (as of 2011-05-02.)
|
||||
*/
|
||||
#ifndef _POSIX_SOURCE
|
||||
# define _POSIX_SOURCE 1 /* Just the POSIX 1003.1 and C89 APIs */
|
||||
#endif
|
||||
|
||||
#ifndef PNG_VERSION_INFO_ONLY
|
||||
/* Standard library headers not required by png.h: */
|
||||
|
@ -452,6 +454,21 @@
|
|||
# define png_fixed_error(s1,s2) png_err(s1)
|
||||
#endif
|
||||
|
||||
/* Some fixed point APIs are still required even if not exported because
|
||||
* they get used by the corresponding floating point APIs. This magic
|
||||
* deals with this:
|
||||
*/
|
||||
#ifdef PNG_FIXED_POINT_SUPPORTED
|
||||
# define PNGFAPI PNGAPI
|
||||
#else
|
||||
# define PNGFAPI /* PRIVATE */
|
||||
#endif
|
||||
|
||||
#ifndef PNG_VERSION_INFO_ONLY
|
||||
/* Other defines specific to compilers can go here. Try to keep
|
||||
* them inside an appropriate ifdef/endif pair for portability.
|
||||
*/
|
||||
|
||||
/* C allows up-casts from (void*) to any pointer and (const void*) to any
|
||||
* pointer to a const object. C++ regards this as a type error and requires an
|
||||
* explicit, static, cast and provides the static_cast<> rune to ensure that
|
||||
|
@ -464,7 +481,7 @@
|
|||
static_cast<type>(static_cast<void*>(value))
|
||||
# define png_aligncastconst(type, value) \
|
||||
static_cast<type>(static_cast<const void*>(value))
|
||||
#elif !defined(__ASSEMBLER__)
|
||||
#else
|
||||
# define png_voidcast(type, value) (value)
|
||||
# ifdef _WIN64
|
||||
# ifdef __GNUC__
|
||||
|
@ -480,20 +497,6 @@
|
|||
# define png_aligncastconst(type, value) ((const void*)(value))
|
||||
#endif /* __cplusplus */
|
||||
|
||||
/* Some fixed point APIs are still required even if not exported because
|
||||
* they get used by the corresponding floating point APIs. This magic
|
||||
* deals with this:
|
||||
*/
|
||||
#ifdef PNG_FIXED_POINT_SUPPORTED
|
||||
# define PNGFAPI PNGAPI
|
||||
#else
|
||||
# define PNGFAPI /* PRIVATE */
|
||||
#endif
|
||||
|
||||
#ifndef PNG_VERSION_INFO_ONLY
|
||||
/* Other defines specific to compilers can go here. Try to keep
|
||||
* them inside an appropriate ifdef/endif pair for portability.
|
||||
*/
|
||||
#if defined(PNG_FLOATING_POINT_SUPPORTED) ||\
|
||||
defined(PNG_FLOATING_ARITHMETIC_SUPPORTED)
|
||||
/* png.c requires the following ANSI-C constants if the conversion of
|
||||
|
@ -839,6 +842,7 @@
|
|||
#define png_PLTE PNG_U32( 80, 76, 84, 69)
|
||||
#define png_bKGD PNG_U32( 98, 75, 71, 68)
|
||||
#define png_cHRM PNG_U32( 99, 72, 82, 77)
|
||||
#define png_eXIf PNG_U32(101, 88, 73, 102) /* registered July 2017 */
|
||||
#define png_fRAc PNG_U32(102, 82, 65, 99) /* registered, not defined */
|
||||
#define png_gAMA PNG_U32(103, 65, 77, 65)
|
||||
#define png_gIFg PNG_U32(103, 73, 70, 103)
|
||||
|
@ -1438,6 +1442,11 @@ PNG_INTERNAL_FUNCTION(void,png_handle_cHRM,(png_structrp png_ptr,
|
|||
png_inforp info_ptr, png_uint_32 length),PNG_EMPTY);
|
||||
#endif
|
||||
|
||||
#ifdef PNG_READ_eXIf_SUPPORTED
|
||||
PNG_INTERNAL_FUNCTION(void,png_handle_eXIf,(png_structrp png_ptr,
|
||||
png_inforp info_ptr, png_uint_32 length),PNG_EMPTY);
|
||||
#endif
|
||||
|
||||
#ifdef PNG_READ_gAMA_SUPPORTED
|
||||
PNG_INTERNAL_FUNCTION(void,png_handle_gAMA,(png_structrp png_ptr,
|
||||
png_inforp info_ptr, png_uint_32 length),PNG_EMPTY);
|
||||
|
|
9
thirdparty/libpng/pngread.c
vendored
9
thirdparty/libpng/pngread.c
vendored
|
@ -1,8 +1,8 @@
|
|||
|
||||
/* pngread.c - read a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.6.26 [October 20, 2016]
|
||||
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
|
||||
* Last changed in libpng 1.6.31 [(PENDING RELEASE)]
|
||||
* Copyright (c) 1998-2002,2004,2006-2017 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.)
|
||||
*
|
||||
|
@ -1934,6 +1934,7 @@ png_create_colormap_entry(png_image_read_control *display,
|
|||
{
|
||||
case 4:
|
||||
entry[afirst ? 0 : 3] = (png_byte)alpha;
|
||||
/* FALLTHROUGH */
|
||||
case 3:
|
||||
entry[afirst + (2 ^ bgr)] = (png_byte)blue;
|
||||
entry[afirst + 1] = (png_byte)green;
|
||||
|
@ -1942,6 +1943,7 @@ png_create_colormap_entry(png_image_read_control *display,
|
|||
|
||||
case 2:
|
||||
entry[1 ^ afirst] = (png_byte)alpha;
|
||||
/* FALLTHROUGH */
|
||||
case 1:
|
||||
entry[afirst] = (png_byte)green;
|
||||
break;
|
||||
|
@ -3179,8 +3181,7 @@ png_image_read_colormapped(png_voidp argument)
|
|||
image->colormap_entries == 244 /* 216 + 1 + 27 */)
|
||||
break;
|
||||
|
||||
/* goto bad_output; */
|
||||
/* FALL THROUGH */
|
||||
goto bad_output;
|
||||
|
||||
default:
|
||||
bad_output:
|
||||
|
|
5
thirdparty/libpng/pngrtran.c
vendored
5
thirdparty/libpng/pngrtran.c
vendored
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngrtran.c - transforms the data in a row for PNG readers
|
||||
*
|
||||
* Last changed in libpng 1.6.30 [(PENDING RELEASE)]
|
||||
* Last changed in libpng 1.6.31 [(PENDING RELEASE)]
|
||||
* Copyright (c) 1998-2002,2004,2006-2017 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.)
|
||||
|
@ -49,6 +49,7 @@ png_set_crc_action(png_structrp png_ptr, int crit_action, int ancil_action)
|
|||
case PNG_CRC_WARN_DISCARD: /* Not a valid action for critical data */
|
||||
png_warning(png_ptr,
|
||||
"Can't discard critical data on CRC error");
|
||||
/* FALLTHROUGH */
|
||||
case PNG_CRC_ERROR_QUIT: /* Error/quit */
|
||||
|
||||
case PNG_CRC_DEFAULT:
|
||||
|
@ -1253,7 +1254,7 @@ png_init_rgb_transformations(png_structrp png_ptr)
|
|||
default:
|
||||
|
||||
case 8:
|
||||
/* FALL THROUGH (Already 8 bits) */
|
||||
/* FALLTHROUGH */ /* (Already 8 bits) */
|
||||
|
||||
case 16:
|
||||
/* Already a full 16 bits */
|
||||
|
|
40
thirdparty/libpng/pngrutil.c
vendored
40
thirdparty/libpng/pngrutil.c
vendored
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngrutil.c - utilities to read a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.6.30 [(PENDING RELEASE)]
|
||||
* Last changed in libpng 1.6.31 [(PENDING RELEASE)]
|
||||
* Copyright (c) 1998-2002,2004,2006-2017 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.)
|
||||
|
@ -2009,6 +2009,44 @@ png_handle_bKGD(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
|||
}
|
||||
#endif
|
||||
|
||||
#ifdef PNG_READ_eXIf_SUPPORTED
|
||||
void /* PRIVATE */
|
||||
png_handle_eXIf(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
||||
{
|
||||
unsigned int i;
|
||||
png_bytep eXIf_buf;
|
||||
|
||||
png_debug(1, "in png_handle_eXIf");
|
||||
|
||||
if ((png_ptr->mode & PNG_HAVE_IHDR) == 0)
|
||||
png_chunk_error(png_ptr, "missing IHDR");
|
||||
|
||||
else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_eXIf) != 0)
|
||||
{
|
||||
png_crc_finish(png_ptr, length);
|
||||
png_chunk_benign_error(png_ptr, "duplicate");
|
||||
return;
|
||||
}
|
||||
|
||||
eXIf_buf = png_voidcast(png_bytep,
|
||||
png_malloc_warn(png_ptr, length));
|
||||
|
||||
for (i = 0; i < length; i++)
|
||||
{
|
||||
png_byte buf[1];
|
||||
png_crc_read(png_ptr, buf, 1);
|
||||
eXIf_buf[i] = buf[0];
|
||||
}
|
||||
|
||||
if (png_crc_finish(png_ptr, 0) != 0)
|
||||
return;
|
||||
|
||||
info_ptr->num_exif = length;
|
||||
|
||||
png_set_eXIf(png_ptr, info_ptr, eXIf_buf);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef PNG_READ_hIST_SUPPORTED
|
||||
void /* PRIVATE */
|
||||
png_handle_hIST(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
||||
|
|
35
thirdparty/libpng/pngset.c
vendored
35
thirdparty/libpng/pngset.c
vendored
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngset.c - storage of image information into info struct
|
||||
*
|
||||
* Last changed in libpng 1.6.30 [(PENDING RELEASE)]
|
||||
* Last changed in libpng 1.6.30 [June 28, 2017]
|
||||
* Copyright (c) 1998-2017 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.)
|
||||
|
@ -134,6 +134,39 @@ png_set_cHRM_XYZ(png_const_structrp png_ptr, png_inforp info_ptr, double red_X,
|
|||
|
||||
#endif /* cHRM */
|
||||
|
||||
#ifdef PNG_eXIf_SUPPORTED
|
||||
void PNGAPI
|
||||
png_set_eXIf(png_const_structrp png_ptr, png_inforp info_ptr,
|
||||
const png_bytep eXIf_buf)
|
||||
{
|
||||
int i;
|
||||
|
||||
png_debug1(1, "in %s storage function", "eXIf");
|
||||
|
||||
if (png_ptr == NULL || info_ptr == NULL)
|
||||
return;
|
||||
|
||||
png_free_data(png_ptr, info_ptr, PNG_FREE_EXIF, 0);
|
||||
|
||||
info_ptr->exif = png_voidcast(png_bytep, png_malloc_warn(png_ptr,
|
||||
info_ptr->num_exif));
|
||||
|
||||
if (info_ptr->exif == NULL)
|
||||
{
|
||||
png_warning(png_ptr, "Insufficient memory for eXIf chunk data");
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
info_ptr->free_me |= PNG_FREE_EXIF;
|
||||
|
||||
for (i = 0; i < info_ptr->num_exif; i++)
|
||||
info_ptr->exif[i] = eXIf_buf[i];
|
||||
|
||||
info_ptr->valid |= PNG_INFO_eXIf;
|
||||
}
|
||||
#endif /* eXIf */
|
||||
|
||||
#ifdef PNG_gAMA_SUPPORTED
|
||||
void PNGFAPI
|
||||
png_set_gAMA_fixed(png_const_structrp png_ptr, png_inforp info_ptr,
|
||||
|
|
3
thirdparty/libpng/pngstruct.h
vendored
3
thirdparty/libpng/pngstruct.h
vendored
|
@ -479,5 +479,8 @@ struct png_struct_def
|
|||
png_colorspace colorspace;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* New member added in libpng-1.6.31 */
|
||||
int num_exif;
|
||||
};
|
||||
#endif /* PNGSTRUCT_H */
|
||||
|
|
2
thirdparty/libpng/pngtrans.c
vendored
2
thirdparty/libpng/pngtrans.c
vendored
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
|
||||
*
|
||||
* Last changed in libpng 1.6.30 [(PENDING RELEASE)]
|
||||
* Last changed in libpng 1.6.30 [June 28, 2017]
|
||||
* Copyright (c) 1998-2002,2004,2006-2017 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.)
|
||||
|
|
6
thirdparty/libpng/pngwrite.c
vendored
6
thirdparty/libpng/pngwrite.c
vendored
|
@ -1,8 +1,8 @@
|
|||
|
||||
/* pngwrite.c - general routines to write a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.6.26 [October 20, 2016]
|
||||
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
|
||||
* Last changed in libpng 1.6.31 [(PENDING RELEASE)]
|
||||
* Copyright (c) 1998-2002,2004,2006-2017 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.)
|
||||
*
|
||||
|
@ -1007,8 +1007,8 @@ png_set_filter(png_structrp png_ptr, int method, int filters)
|
|||
case 5:
|
||||
case 6:
|
||||
case 7: png_app_error(png_ptr, "Unknown row filter for method 0");
|
||||
/* FALL THROUGH */
|
||||
#endif /* WRITE_FILTER */
|
||||
/* FALLTHROUGH */
|
||||
case PNG_FILTER_VALUE_NONE:
|
||||
png_ptr->do_filter = PNG_FILTER_NONE; break;
|
||||
|
||||
|
|
31
thirdparty/libpng/pngwutil.c
vendored
31
thirdparty/libpng/pngwutil.c
vendored
|
@ -1473,6 +1473,37 @@ png_write_bKGD(png_structrp png_ptr, png_const_color_16p back, int color_type)
|
|||
}
|
||||
#endif
|
||||
|
||||
#ifdef PNG_WRITE_eXIf_SUPPORTED
|
||||
/* Write the Exif data */
|
||||
void /* PRIVATE */
|
||||
png_write_eXIf(png_structrp png_ptr, png_bytep exif, int num_exif)
|
||||
{
|
||||
int i;
|
||||
png_byte buf[3];
|
||||
|
||||
png_debug(1, "in png_write_eXIf");
|
||||
|
||||
if (num_exif > (int)png_ptr->num_exif)
|
||||
{
|
||||
png_debug2(3, "num_exif = %d, png_ptr->num_exif = %d", num_exif,
|
||||
png_ptr->num_exif);
|
||||
|
||||
png_warning(png_ptr, "Invalid number of exif bytes specified");
|
||||
return;
|
||||
}
|
||||
|
||||
png_write_chunk_header(png_ptr, png_eXIf, (png_uint_32)(num_exif));
|
||||
|
||||
for (i = 0; i < num_exif; i++)
|
||||
{
|
||||
buf[i] = exif[i];
|
||||
png_write_chunk_data(png_ptr, buf, (png_size_t)1);
|
||||
}
|
||||
|
||||
png_write_chunk_end(png_ptr);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef PNG_WRITE_hIST_SUPPORTED
|
||||
/* Write the histogram */
|
||||
void /* PRIVATE */
|
||||
|
|
Loading…
Reference in a new issue