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Update bundled libpng from 1.6.42 to 1.6.43

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This commit is contained in:
Albrecht Schlosser 2024-05-13 19:12:24 +02:00
parent 1325a257bf
commit ea96237525
16 changed files with 143 additions and 98 deletions
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3
documentation/src/bundled-libs.dox
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@ -28,7 +28,7 @@ Current versions of bundled libraries (as of March 13, 2024):
-------------------------------------------------------------------------- --------------------------------------------------------------------------
jpeg jpeg-9f 2024-01-14 1.4.0 jpeg jpeg-9f 2024-01-14 1.4.0
nanosvg 7aeda550a8 [1] 2023-12-02 1.4.0 nanosvg 7aeda550a8 [1] 2023-12-02 1.4.0
png libpng-1.6.42 2024-01-29 1.4.0 png libpng-1.6.43 2024-02-23 1.4.0
zlib zlib-1.3.1 2024-01-22 1.4.0 zlib zlib-1.3.1 2024-01-22 1.4.0
libdecor 4f2c03d5 [2] 2024-03-04 1.4.0 libdecor 4f2c03d5 [2] 2024-03-04 1.4.0
-------------------------------------------------------------------------- --------------------------------------------------------------------------
@ -199,7 +199,6 @@ Run `make depend' in the zlib folder on a Linux system after
- pnglibconf.h: Generate on a Linux system and merge (see above). - pnglibconf.h: Generate on a Linux system and merge (see above).
- pngprefix.h: Generate on a Linux system and merge (see above). - pngprefix.h: Generate on a Linux system and merge (see above).
- makedepend: Keep this file. - makedepend: Keep this file.
- png.c: Keep a change labelled with "FLTK"
Run `make depend' in the png folder on a Linux system after Run `make depend' in the png folder on a Linux system after
the upgrade to update this file. the upgrade to update this file.

47
png/ANNOUNCE
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@ -1,5 +1,5 @@
libpng 1.6.40 - June 21, 2023 libpng 1.6.43 - February 23, 2024
============================= =================================
This is a public release of libpng, intended for use in production code. This is a public release of libpng, intended for use in production code.
@ -9,13 +9,13 @@ Files available for download
Source files with LF line endings (for Unix/Linux): Source files with LF line endings (for Unix/Linux):
* libpng-1.6.40.tar.xz (LZMA-compressed, recommended) * libpng-1.6.43.tar.xz (LZMA-compressed, recommended)
* libpng-1.6.40.tar.gz * libpng-1.6.43.tar.gz (deflate-compressed)
Source files with CRLF line endings (for Windows): Source files with CRLF line endings (for Windows):
* lpng1640.7z (LZMA-compressed, recommended) * lpng1643.7z (LZMA-compressed, recommended)
* lpng1640.zip * lpng1643.zip (deflate-compressed)
Other information: Other information:
@ -25,15 +25,36 @@ Other information:
* TRADEMARK.md * TRADEMARK.md
Changes from version 1.6.39 to version 1.6.40 Changes from version 1.6.42 to version 1.6.43
--------------------------------------------- ---------------------------------------------
* Fixed the eXIf chunk multiplicity checks. * Fixed the row width check in png_check_IHDR().
* Fixed a memory leak in pCAL processing. This corrected a bug that was specific to the 16-bit platforms,
* Corrected the validity report about tRNS inside png_get_valid(). and removed a spurious compiler warning from the 64-bit builds.
* Fixed various build issues on *BSD, Mac and Windows. (Reported by Jacek Caban; fixed by John Bowler)
* Updated the configurations and the scripts for continuous integration. * Added eXIf chunk support to the push-mode reader in pngpread.c.
* Cleaned up the code, the build scripts, and the documentation. (Contributed by Chris Blume)
* Added contrib/pngexif for the benefit of the users who would like
to inspect the content of eXIf chunks.
* Added contrib/conftest/basic.dfa, a basic build-time configuration.
(Contributed by John Bowler)
* Fixed a preprocessor condition in pngread.c that broke build-time
configurations like contrib/conftest/pngcp.dfa.
(Contributed by John Bowler)
* Added CMake build support for LoongArch LSX.
(Contributed by GuXiWei)
* Fixed a CMake build error that occurred under a peculiar state of the
dependency tree. This was a regression introduced in libpng-1.6.41.
(Contributed by Dan Rosser)
* Marked the installed libpng headers as system headers in CMake.
(Contributed by Benjamin Buch)
* Updated the build support for RISCOS.
(Contributed by Cameron Cawley)
* Updated the makefiles to allow cross-platform builds to initialize
conventional make variables like AR and ARFLAGS.
* Added various improvements to the CI scripts in areas like version
consistency verification and text linting.
* Added version consistency verification to pngtest.c also.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net. Send comments/corrections/commendations to png-mng-implement at lists.sf.net.

32
png/CHANGES
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@ -6130,7 +6130,7 @@ Version 1.6.40 [June 21, 2023]
Cleaned up the code, the build scripts, and the documentation. Cleaned up the code, the build scripts, and the documentation.
Version 1.6.41 [January 24, 2024] Version 1.6.41 [January 24, 2024]
Added SIMD-optimized code for the Loongarch LSX hardware. Added SIMD-optimized code for the LoongArch LSX hardware.
(Contributed by GuXiWei, JinBo and ZhangLixia) (Contributed by GuXiWei, JinBo and ZhangLixia)
Fixed the run-time discovery of MIPS MSA hardware. Fixed the run-time discovery of MIPS MSA hardware.
(Contributed by Sui Jingfeng) (Contributed by Sui Jingfeng)
@ -6165,6 +6165,36 @@ Version 1.6.42 [January 29, 2024]
Fixed the implementation of the macro function png_check_sig(). Fixed the implementation of the macro function png_check_sig().
This was an API regression, introduced in libpng-1.6.41. This was an API regression, introduced in libpng-1.6.41.
(Reported by Matthieu Darbois) (Reported by Matthieu Darbois)
Fixed and updated the libpng manual.
Version 1.6.43 [February 23, 2024]
Fixed the row width check in png_check_IHDR().
This corrected a bug that was specific to the 16-bit platforms,
and removed a spurious compiler warning from the 64-bit builds.
(Reported by Jacek Caban; fixed by John Bowler)
Added eXIf chunk support to the push-mode reader in pngpread.c.
(Contributed by Chris Blume)
Added contrib/pngexif for the benefit of the users who would like
to inspect the content of eXIf chunks.
Added contrib/conftest/basic.dfa, a basic build-time configuration.
(Contributed by John Bowler)
Fixed a preprocessor condition in pngread.c that broke build-time
configurations like contrib/conftest/pngcp.dfa.
(Contributed by John Bowler)
Added CMake build support for LoongArch LSX.
(Contributed by GuXiWei)
Fixed a CMake build error that occurred under a peculiar state of the
dependency tree. This was a regression introduced in libpng-1.6.41.
(Contributed by Dan Rosser)
Marked the installed libpng headers as system headers in CMake.
(Contributed by Benjamin Buch)
Updated the build support for RISCOS.
(Contributed by Cameron Cawley)
Updated the makefiles to allow cross-platform builds to initialize
conventional make variables like AR and ARFLAGS.
Added various improvements to the CI scripts in areas like version
consistency verification and text linting.
Added version consistency verification to pngtest.c also.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net. Send comments/corrections/commendations to png-mng-implement at lists.sf.net.
Subscription is required; visit Subscription is required; visit

12
png/README
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@ -1,4 +1,4 @@
README for libpng version 1.6.42 README for libpng version 1.6.43
================================ ================================
See the note about version numbers near the top of `png.h`. See the note about version numbers near the top of `png.h`.
@ -142,10 +142,11 @@ Files included in this distribution
pngwrite.c => High-level write functions pngwrite.c => High-level write functions
pngwtran.c => Write data transformations pngwtran.c => Write data transformations
pngwutil.c => Write utility functions pngwutil.c => Write utility functions
arm/ => Optimized code for the ARM platform arm/ => Optimized code for ARM Neon
intel/ => Optimized code for the INTEL-SSE2 platform intel/ => Optimized code for INTEL SSE2
mips/ => Optimized code for the MIPS platform loongarch/ => Optimized code for LoongArch LSX
powerpc/ => Optimized code for the PowerPC platform mips/ => Optimized code for MIPS MSA and MIPS MMI
powerpc/ => Optimized code for PowerPC VSX
ci/ => Scripts for continuous integration ci/ => Scripts for continuous integration
contrib/ => External contributions contrib/ => External contributions
arm-neon/ => Optimized code for the ARM-NEON platform arm-neon/ => Optimized code for the ARM-NEON platform
@ -158,6 +159,7 @@ Files included in this distribution
libtests/ => Test programs libtests/ => Test programs
oss-fuzz/ => Files used by the OSS-Fuzz project for fuzz-testing oss-fuzz/ => Files used by the OSS-Fuzz project for fuzz-testing
libpng libpng
pngexif/ => Program to inspect the EXIF information in PNG files
pngminim/ => Minimal decoder, encoder, and progressive decoder pngminim/ => Minimal decoder, encoder, and progressive decoder
programs demonstrating the use of pngusr.dfa programs demonstrating the use of pngusr.dfa
pngminus/ => Simple pnm2png and png2pnm programs pngminus/ => Simple pnm2png and png2pnm programs

6
png/libpng-manual.txt
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@ -9,7 +9,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng version 1.6.36, December 2018, through 1.6.42 - January 2024 libpng version 1.6.36, December 2018, through 1.6.43 - February 2024
Updated and distributed by Cosmin Truta Updated and distributed by Cosmin Truta
Copyright (c) 2018-2024 Cosmin Truta Copyright (c) 2018-2024 Cosmin Truta
@ -1178,11 +1178,11 @@ where row_pointers is an array of pointers to the pixel data for each row:
If you know your image size and pixel size ahead of time, you can allocate If you know your image size and pixel size ahead of time, you can allocate
row_pointers prior to calling png_read_png() with row_pointers prior to calling png_read_png() with
if (height > PNG_UINT_32_MAX/(sizeof (png_byte))) if (height > PNG_UINT_32_MAX / (sizeof (png_bytep)))
png_error(png_ptr, png_error(png_ptr,
"Image is too tall to process in memory"); "Image is too tall to process in memory");
if (width > PNG_UINT_32_MAX/pixel_size) if (width > PNG_UINT_32_MAX / pixel_size)
png_error(png_ptr, png_error(png_ptr,
"Image is too wide to process in memory"); "Image is too wide to process in memory");

10
png/libpng.3
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@ -1,6 +1,6 @@
.TH LIBPNG 3 "January 29, 2024" .TH LIBPNG 3 "February 23, 2024"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.42 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.43
.SH SYNOPSIS .SH SYNOPSIS
\fB#include <png.h>\fP \fB#include <png.h>\fP
@ -528,7 +528,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng version 1.6.36, December 2018, through 1.6.42 - January 2024 libpng version 1.6.36, December 2018, through 1.6.43 - February 2024
Updated and distributed by Cosmin Truta Updated and distributed by Cosmin Truta
Copyright (c) 2018-2024 Cosmin Truta Copyright (c) 2018-2024 Cosmin Truta
@ -1697,11 +1697,11 @@ where row_pointers is an array of pointers to the pixel data for each row:
If you know your image size and pixel size ahead of time, you can allocate If you know your image size and pixel size ahead of time, you can allocate
row_pointers prior to calling png_read_png() with row_pointers prior to calling png_read_png() with
if (height > PNG_UINT_32_MAX/(sizeof (png_byte))) if (height > PNG_UINT_32_MAX / (sizeof (png_bytep)))
png_error(png_ptr, png_error(png_ptr,
"Image is too tall to process in memory"); "Image is too tall to process in memory");
if (width > PNG_UINT_32_MAX/pixel_size) if (width > PNG_UINT_32_MAX / pixel_size)
png_error(png_ptr, png_error(png_ptr,
"Image is too wide to process in memory"); "Image is too wide to process in memory");

4
png/libpngpf.3
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@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "January 29, 2024" .TH LIBPNGPF 3 "February 23, 2024"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.42 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.43
(private functions) (private functions)
.SH SYNOPSIS .SH SYNOPSIS

2
png/png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "January 29, 2024" .TH PNG 5 "February 23, 2024"
.SH NAME .SH NAME
png \- Portable Network Graphics (PNG) format png \- Portable Network Graphics (PNG) format

43
png/png.c
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@ -14,7 +14,7 @@
#include "pngpriv.h" #include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */ /* Generate a compiler error if there is an old png.h in the search path. */
typedef png_libpng_version_1_6_42 Your_png_h_is_not_version_1_6_42; typedef png_libpng_version_1_6_43 Your_png_h_is_not_version_1_6_43;
/* Tells libpng that we have already handled the first "num_bytes" bytes /* 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 * of the PNG file signature. If the PNG data is embedded into another
@ -731,7 +731,7 @@ png_convert_to_rfc1123_buffer(char out[29], png_const_timep ptime)
{ {
size_t pos = 0; size_t pos = 0;
char number_buf[5] = ""; /* enough for a four-digit year */ /* FLTK Issue #296 */ char number_buf[5] = {0, 0, 0, 0, 0}; /* enough for a four-digit year */
# define APPEND_STRING(string) pos = png_safecat(out, 29, pos, (string)) # define APPEND_STRING(string) pos = png_safecat(out, 29, pos, (string))
# define APPEND_NUMBER(format, value)\ # define APPEND_NUMBER(format, value)\
@ -794,7 +794,7 @@ png_get_copyright(png_const_structrp png_ptr)
return PNG_STRING_COPYRIGHT return PNG_STRING_COPYRIGHT
#else #else
return PNG_STRING_NEWLINE \ return PNG_STRING_NEWLINE \
"libpng version 1.6.42" PNG_STRING_NEWLINE \ "libpng version 1.6.43" PNG_STRING_NEWLINE \
"Copyright (c) 2018-2024 Cosmin Truta" PNG_STRING_NEWLINE \ "Copyright (c) 2018-2024 Cosmin Truta" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \ "Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \
PNG_STRING_NEWLINE \ PNG_STRING_NEWLINE \
@ -1821,14 +1821,14 @@ png_icc_profile_error(png_const_structrp png_ptr, png_colorspacerp colorspace,
} }
# ifdef PNG_WARNINGS_SUPPORTED # ifdef PNG_WARNINGS_SUPPORTED
else else
{ {
char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114 */ char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114 */
pos = png_safecat(message, (sizeof message), pos, pos = png_safecat(message, (sizeof message), pos,
png_format_number(number, number+(sizeof number), png_format_number(number, number+(sizeof number),
PNG_NUMBER_FORMAT_x, value)); PNG_NUMBER_FORMAT_x, value));
pos = png_safecat(message, (sizeof message), pos, "h: "); /* +2 = 116 */ pos = png_safecat(message, (sizeof message), pos, "h: "); /* +2 = 116 */
} }
# endif # endif
/* The 'reason' is an arbitrary message, allow +79 maximum 195 */ /* The 'reason' is an arbitrary message, allow +79 maximum 195 */
pos = png_safecat(message, (sizeof message), pos, reason); pos = png_safecat(message, (sizeof message), pos, reason);
@ -2511,17 +2511,6 @@ png_colorspace_set_rgb_coefficients(png_structrp png_ptr)
#endif /* COLORSPACE */ #endif /* COLORSPACE */
#ifdef __GNUC__
/* This exists solely to work round a warning from GNU C. */
static int /* PRIVATE */
png_gt(size_t a, size_t b)
{
return a > b;
}
#else
# define png_gt(a,b) ((a) > (b))
#endif
void /* PRIVATE */ void /* PRIVATE */
png_check_IHDR(png_const_structrp png_ptr, png_check_IHDR(png_const_structrp png_ptr,
png_uint_32 width, png_uint_32 height, int bit_depth, png_uint_32 width, png_uint_32 height, int bit_depth,
@ -2543,8 +2532,16 @@ png_check_IHDR(png_const_structrp png_ptr,
error = 1; error = 1;
} }
if (png_gt(((width + 7) & (~7U)), /* The bit mask on the first line below must be at least as big as a
((PNG_SIZE_MAX * png_uint_32. "~7U" is not adequate on 16-bit systems because it will
* be an unsigned 16-bit value. Casting to (png_alloc_size_t) makes the
* type of the result at least as bit (in bits) as the RHS of the > operator
* which also avoids a common warning on 64-bit systems that the comparison
* of (png_uint_32) against the constant value on the RHS will always be
* false.
*/
if (((width + 7) & ~(png_alloc_size_t)7) >
(((PNG_SIZE_MAX
- 48 /* big_row_buf hack */ - 48 /* big_row_buf hack */
- 1) /* filter byte */ - 1) /* filter byte */
/ 8) /* 8-byte RGBA pixels */ / 8) /* 8-byte RGBA pixels */

25
png/png.h
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library /* png.h - header file for PNG reference library
* *
* libpng version 1.6.42 * libpng version 1.6.43
* *
* Copyright (c) 2018-2024 Cosmin Truta * Copyright (c) 2018-2024 Cosmin Truta
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
@ -15,7 +15,7 @@
* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger * libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.35, July 2018: * libpng versions 0.97, January 1998, through 1.6.35, July 2018:
* Glenn Randers-Pehrson * Glenn Randers-Pehrson
* libpng versions 1.6.36, December 2018, through 1.6.42, January 2024: * libpng versions 1.6.36, December 2018, through 1.6.43, February 2024:
* Cosmin Truta * Cosmin Truta
* See also "Contributing Authors", below. * See also "Contributing Authors", below.
*/ */
@ -239,7 +239,7 @@
* ... * ...
* 1.5.30 15 10530 15.so.15.30[.0] * 1.5.30 15 10530 15.so.15.30[.0]
* ... * ...
* 1.6.42 16 10641 16.so.16.41[.0] * 1.6.43 16 10643 16.so.16.43[.0]
* *
* Henceforth the source version will match the shared-library major and * Henceforth the source version will match the shared-library major and
* minor numbers; the shared-library major version number will be used for * minor numbers; the shared-library major version number will be used for
@ -255,9 +255,6 @@
* to the info_ptr or png_ptr members through png.h, and the compiled * to the info_ptr or png_ptr members through png.h, and the compiled
* application is loaded with a different version of the library. * application is loaded with a different version of the library.
* *
* DLLNUM will change each time there are forward or backward changes
* in binary compatibility (e.g., when a new feature is added).
*
* See libpng.txt or libpng.3 for more information. The PNG specification * See libpng.txt or libpng.3 for more information. The PNG specification
* is available as a W3C Recommendation and as an ISO/IEC Standard; see * is available as a W3C Recommendation and as an ISO/IEC Standard; see
* <https://www.w3.org/TR/2003/REC-PNG-20031110/> * <https://www.w3.org/TR/2003/REC-PNG-20031110/>
@ -278,19 +275,21 @@
*/ */
/* Version information for png.h - this should match the version in png.c */ /* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.42" #define PNG_LIBPNG_VER_STRING "1.6.43"
#define PNG_HEADER_VERSION_STRING " libpng version " PNG_LIBPNG_VER_STRING "\n" #define PNG_HEADER_VERSION_STRING " libpng version " PNG_LIBPNG_VER_STRING "\n"
#define PNG_LIBPNG_VER_SONUM 16 /* The versions of shared library builds should stay in sync, going forward */
#define PNG_LIBPNG_VER_DLLNUM 16 #define PNG_LIBPNG_VER_SHAREDLIB 16
#define PNG_LIBPNG_VER_SONUM PNG_LIBPNG_VER_SHAREDLIB /* [Deprecated] */
#define PNG_LIBPNG_VER_DLLNUM PNG_LIBPNG_VER_SHAREDLIB /* [Deprecated] */
/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */ /* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
#define PNG_LIBPNG_VER_MAJOR 1 #define PNG_LIBPNG_VER_MAJOR 1
#define PNG_LIBPNG_VER_MINOR 6 #define PNG_LIBPNG_VER_MINOR 6
#define PNG_LIBPNG_VER_RELEASE 42 #define PNG_LIBPNG_VER_RELEASE 43
/* This should be zero for a public release, or non-zero for a /* This should be zero for a public release, or non-zero for a
* development version. [Deprecated] * development version.
*/ */
#define PNG_LIBPNG_VER_BUILD 0 #define PNG_LIBPNG_VER_BUILD 0
@ -318,7 +317,7 @@
* From version 1.0.1 it is: * From version 1.0.1 it is:
* XXYYZZ, where XX=major, YY=minor, ZZ=release * XXYYZZ, where XX=major, YY=minor, ZZ=release
*/ */
#define PNG_LIBPNG_VER 10641 /* 1.6.42 */ #define PNG_LIBPNG_VER 10643 /* 1.6.43 */
/* Library configuration: these options cannot be changed after /* Library configuration: these options cannot be changed after
* the library has been built. * the library has been built.
@ -428,7 +427,7 @@ extern "C" {
/* This triggers a compiler error in png.c, if png.c and png.h /* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number. * do not agree upon the version number.
*/ */
typedef char* png_libpng_version_1_6_42; typedef char* png_libpng_version_1_6_43;
/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info. /* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
* *

2
png/pngconf.h
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@ -1,7 +1,7 @@
/* pngconf.h - machine-configurable file for libpng /* pngconf.h - machine-configurable file for libpng
* *
* libpng version 1.6.42 * libpng version 1.6.43
* *
* Copyright (c) 2018-2024 Cosmin Truta * Copyright (c) 2018-2024 Cosmin Truta
* Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson

2
png/pnglibconf.h
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@ -9,7 +9,7 @@
/* pnglibconf.h - library build configuration */ /* pnglibconf.h - library build configuration */
/* libpng version 1.6.42 */ /* libpng version 1.6.43 */
/* Copyright (c) 2018-2024 Cosmin Truta */ /* Copyright (c) 2018-2024 Cosmin Truta */
/* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson */ /* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson */

8
png/pngpread.c
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@ -294,6 +294,14 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr)
png_handle_cHRM(png_ptr, info_ptr, png_ptr->push_length); png_handle_cHRM(png_ptr, info_ptr, png_ptr->push_length);
} }
#endif
#ifdef PNG_READ_eXIf_SUPPORTED
else if (png_ptr->chunk_name == png_eXIf)
{
PNG_PUSH_SAVE_BUFFER_IF_FULL
png_handle_eXIf(png_ptr, info_ptr, png_ptr->push_length);
}
#endif #endif
#ifdef PNG_READ_sRGB_SUPPORTED #ifdef PNG_READ_sRGB_SUPPORTED
else if (chunk_name == png_sRGB) else if (chunk_name == png_sRGB)

11
png/pngprefix.h
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@ -56,13 +56,6 @@
#define png_do_read_interlace fltk_png_do_read_interlace #define png_do_read_interlace fltk_png_do_read_interlace
#define png_do_write_interlace fltk_png_do_write_interlace #define png_do_write_interlace fltk_png_do_write_interlace
#define png_read_filter_row fltk_png_read_filter_row #define png_read_filter_row fltk_png_read_filter_row
#define png_read_filter_row_up_neon fltk_png_read_filter_row_up_neon
#define png_read_filter_row_sub3_neon fltk_png_read_filter_row_sub3_neon
#define png_read_filter_row_sub4_neon fltk_png_read_filter_row_sub4_neon
#define png_read_filter_row_avg3_neon fltk_png_read_filter_row_avg3_neon
#define png_read_filter_row_avg4_neon fltk_png_read_filter_row_avg4_neon
#define png_read_filter_row_paeth3_neon fltk_png_read_filter_row_paeth3_neon
#define png_read_filter_row_paeth4_neon fltk_png_read_filter_row_paeth4_neon
#define png_write_find_filter fltk_png_write_find_filter #define png_write_find_filter fltk_png_write_find_filter
#define png_read_IDAT_data fltk_png_read_IDAT_data #define png_read_IDAT_data fltk_png_read_IDAT_data
#define png_read_finish_IDAT fltk_png_read_finish_IDAT #define png_read_finish_IDAT fltk_png_read_finish_IDAT
@ -166,8 +159,4 @@
#define png_safe_warning fltk_png_safe_warning #define png_safe_warning fltk_png_safe_warning
#define png_safe_execute fltk_png_safe_execute #define png_safe_execute fltk_png_safe_execute
#define png_image_error fltk_png_image_error #define png_image_error fltk_png_image_error
#define png_init_filter_functions_neon fltk_png_init_filter_functions_neon
#define png_check_keyword fltk_png_check_keyword #define png_check_keyword fltk_png_check_keyword
#define png_riffle_palette_neon fltk_png_riffle_palette_neon
#define png_do_expand_palette_rgba8_neon fltk_png_do_expand_palette_rgba8_neon
#define png_do_expand_palette_rgb8_neon fltk_png_do_expand_palette_rgb8_neon

6
png/pngread.c
View File

@ -568,7 +568,11 @@ png_read_row(png_structrp png_ptr, png_bytep row, png_bytep dsp_row)
#endif #endif
#ifdef PNG_READ_TRANSFORMS_SUPPORTED #ifdef PNG_READ_TRANSFORMS_SUPPORTED
if (png_ptr->transformations || png_ptr->num_palette_max >= 0) if (png_ptr->transformations
# ifdef PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED
|| png_ptr->num_palette_max >= 0
# endif
)
png_do_read_transformations(png_ptr, &row_info); png_do_read_transformations(png_ptr, &row_info);
#endif #endif

28
png/pngrtran.c
View File

@ -297,14 +297,13 @@ png_set_alpha_mode_fixed(png_structrp png_ptr, int mode,
output_gamma = translate_gamma_flags(png_ptr, output_gamma, 1/*screen*/); output_gamma = translate_gamma_flags(png_ptr, output_gamma, 1/*screen*/);
/* Validate the value to ensure it is in a reasonable range. The value /* Validate the value to ensure it is in a reasonable range. The value
* is expected to be 1 or greater, but this range test allows for some * is expected to be 1 or greater, but this range test allows for some
* viewing correction values. The intent is to weed out users of this API * viewing correction values. The intent is to weed out the API users
* who use the inverse of the gamma value accidentally! Since some of these * who might use the inverse of the gamma value accidentally!
* values are reasonable this may have to be changed:
* *
* 1.6.x: changed from 0.07..3 to 0.01..100 (to accommodate the optimal 16-bit * In libpng 1.6.0, we changed from 0.07..3 to 0.01..100, to accommodate
* gamma of 36, and its reciprocal.) * the optimal 16-bit gamma of 36 and its reciprocal.
*/ */
if (output_gamma < 1000 || output_gamma > 10000000) if (output_gamma < 1000 || output_gamma > 10000000)
png_error(png_ptr, "output gamma out of expected range"); png_error(png_ptr, "output gamma out of expected range");
@ -441,7 +440,7 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
int i; int i;
png_ptr->quantize_index = (png_bytep)png_malloc(png_ptr, png_ptr->quantize_index = (png_bytep)png_malloc(png_ptr,
(png_alloc_size_t)((png_uint_32)num_palette * (sizeof (png_byte)))); (png_alloc_size_t)num_palette);
for (i = 0; i < num_palette; i++) for (i = 0; i < num_palette; i++)
png_ptr->quantize_index[i] = (png_byte)i; png_ptr->quantize_index[i] = (png_byte)i;
} }
@ -458,7 +457,7 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
/* Initialize an array to sort colors */ /* Initialize an array to sort colors */
png_ptr->quantize_sort = (png_bytep)png_malloc(png_ptr, png_ptr->quantize_sort = (png_bytep)png_malloc(png_ptr,
(png_alloc_size_t)((png_uint_32)num_palette * (sizeof (png_byte)))); (png_alloc_size_t)num_palette);
/* Initialize the quantize_sort array */ /* Initialize the quantize_sort array */
for (i = 0; i < num_palette; i++) for (i = 0; i < num_palette; i++)
@ -592,11 +591,9 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
/* Initialize palette index arrays */ /* Initialize palette index arrays */
png_ptr->index_to_palette = (png_bytep)png_malloc(png_ptr, png_ptr->index_to_palette = (png_bytep)png_malloc(png_ptr,
(png_alloc_size_t)((png_uint_32)num_palette * (png_alloc_size_t)num_palette);
(sizeof (png_byte))));
png_ptr->palette_to_index = (png_bytep)png_malloc(png_ptr, png_ptr->palette_to_index = (png_bytep)png_malloc(png_ptr,
(png_alloc_size_t)((png_uint_32)num_palette * (png_alloc_size_t)num_palette);
(sizeof (png_byte))));
/* Initialize the sort array */ /* Initialize the sort array */
for (i = 0; i < num_palette; i++) for (i = 0; i < num_palette; i++)
@ -761,12 +758,11 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette,
size_t num_entries = ((size_t)1 << total_bits); size_t num_entries = ((size_t)1 << total_bits);
png_ptr->palette_lookup = (png_bytep)png_calloc(png_ptr, png_ptr->palette_lookup = (png_bytep)png_calloc(png_ptr,
(png_alloc_size_t)(num_entries * (sizeof (png_byte)))); (png_alloc_size_t)(num_entries));
distance = (png_bytep)png_malloc(png_ptr, (png_alloc_size_t)(num_entries * distance = (png_bytep)png_malloc(png_ptr, (png_alloc_size_t)num_entries);
(sizeof (png_byte))));
memset(distance, 0xff, num_entries * (sizeof (png_byte))); memset(distance, 0xff, num_entries);
for (i = 0; i < num_palette; i++) for (i = 0; i < num_palette; i++)
{ {