mirror of https://github.com/fltk/fltk
Update bundled libpng to version 1.6.39 (20 nov 2022)
This commit is contained in:
ManoloFLTK
parent
b804c4b72c
commit
39eba133de
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@ -21,7 +21,7 @@ Current versions of bundled libraries (as of Jan 16, 2023):
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--------------------------------------------------------------------------
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jpeg jpeg-9d 2020-01-12 1.4.0
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nanosvg abcd277ea4 [1] 2022-12-22 1.4.0
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png libpng-1.6.37 2019-04-14 1.4.0
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png libpng-1.6.39 2022-11-20 1.4.0
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zlib zlib-1.2.13 2022-10-13 1.4.0
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libdecor 3f3e5e1d [2] 2022-12-29 1.4.0
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--------------------------------------------------------------------------
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@ -178,6 +178,7 @@ png:
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Download the latest libpng sources, `cd' to /path-to/libpng and run
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$ ./configure --with-libpng-prefix=fltk_
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$ make
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This creates the header files 'pnglibconf.h' and 'pngprefix.h'
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with the 'fltk_' symbol prefix.
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32
png/CHANGES
32
png/CHANGES
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@ -2295,7 +2295,7 @@ Version 1.4.0beta58 [May 14, 2009]
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Clarified usage of sig_bit versus sig_bit_p in example.c (Vincent Torri)
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Version 1.4.0beta59 [May 15, 2009]
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Reformated sources in libpng style (3-space intentation, comment format)
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Reformated sources in libpng style (3-space indentation, comment format)
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Fixed typo in libpng docs (PNG_FILTER_AVE should be PNG_FILTER_AVG)
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Added sections about the git repository and our coding style to the
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documentation
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@ -3886,7 +3886,7 @@ Version 1.6.0beta06 [January 24, 2012]
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Version 1.6.0beta07 [January 28, 2012]
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Eliminated Intel icc/icl compiler warnings. The Intel (GCC derived)
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compiler issues slightly different warnings from those issued by the
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current vesions of GCC. This eliminates those warnings by
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current versions of GCC. This eliminates those warnings by
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adding/removing casts and small code rewrites.
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Updated configure.ac from autoupdate: added --enable-werror option.
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Also some layout regularization and removal of introduced tab characters
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@ -4052,7 +4052,7 @@ Version 1.6.0beta16 [March 6, 2012]
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(in fact this is harmless, but the PNG data produced may be sub-optimal).
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Version 1.6.0beta17 [March 10, 2012]
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Fixed PNG_LIBPNG_BUILD_BASE_TYPE definition.
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Fixed PNG_LIBPNG_BUILD_BASE_TYPE definition.
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Reject all iCCP chunks after the first, even if the first one is invalid.
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Deflate/inflate was reworked to move common zlib calls into single
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functions [rw]util.c. A new shared keyword check routine was also added
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@ -4962,7 +4962,7 @@ Version 1.6.13beta01 [July 4, 2014]
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Changed "if defined(__ARM_NEON__)" to
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"if (defined(__ARM_NEON__) || defined(__ARM_NEON))" (James Wu).
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Fixed clang no-warning builds: png_digit was defined but never used.
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Version 1.6.13beta02 [July 21, 2014]
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Fixed an incorrect separator ("/" should be "\") in scripts/makefile.vcwin32
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(bug report from Wolfgang S. Kechel). Bug was introduced in libpng-1.6.11.
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@ -5453,7 +5453,7 @@ Version 1.6.21beta01 [December 11, 2015]
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Version 1.6.21beta02 [December 14, 2015]
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Moved png_check_keyword() from pngwutil.c to pngset.c
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Removed LE/BE dependencies in pngvalid, to 'fix' the current problem
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in the BigEndian tests by not testing it, making the BE code the same
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in the BigEndian tests by not testing it, making the BE code the same
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as the LE version.
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Fixes to pngvalid for various reduced build configurations (eliminate unused
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statics) and a fix for the case in rgb_to_gray when the digitize option
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@ -5517,7 +5517,7 @@ Version 1.6.22beta03 [March 9, 2016]
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Added a common-law trademark notice and export control information
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to the LICENSE file, png.h, and the man page.
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Restored "& 0xff" in png_save_uint_16() and png_save_uint_32() that
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were accidentally removed from libpng-1.6.17.
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were accidentally removed from libpng-1.6.17.
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Changed PNG_INFO_cHNK and PNG_FREE_cHNK from 0xnnnn to 0xnnnnU in png.h
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(Robert C. Seacord).
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Removed dubious "#if INT_MAX" test from png.h that was added to
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@ -5950,7 +5950,7 @@ Version 1.6.32beta09 [August 3, 2017]
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Require cmake-2.8.8 in CMakeLists.txt. Revised symlink creation,
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no longer using deprecated cmake LOCATION feature (Clifford Yapp).
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Fixed five-byte error in the calculation of IDAT maximum possible size.
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Version 1.6.32beta10 [August 5, 2017]
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Moved chunk-length check into a png_check_chunk_length() private
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function (Suggested by Max Stepin).
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@ -6103,6 +6103,24 @@ Version 1.6.37 [April 14, 2019]
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Added makefiles for AddressSanitizer-enabled builds.
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Cleaned up various makefiles.
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Version 1.6.38 [September 14, 2022]
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Added configurations and scripts for continuous integration.
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Fixed various errors in the handling of tRNS, hIST and eXIf.
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Implemented many stability improvements across all platforms.
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Updated the internal documentation.
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Version 1.6.39 [November 20, 2022]
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Changed the error handler of oversized chunks (i.e. larger than
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PNG_USER_CHUNK_MALLOC_MAX) from png_chunk_error to png_benign_error.
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Fixed a buffer overflow error in contrib/tools/pngfix.
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Fixed a memory leak (CVE-2019-6129) in contrib/tools/pngcp.
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Disabled the ARM Neon optimizations by default in the CMake file,
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following the default behavior of the configure script.
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Allowed configure.ac to work with the trunk version of autoconf.
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Removed the support for "install" targets from the legacy makefiles;
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removed the obsolete makefile.cegcc.
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Cleaned up the code and updated the internal documentation.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net.
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Subscription is required; visit
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https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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@ -1,7 +1,7 @@
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/* arm_init.c - NEON optimised filter functions
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*
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* Copyright (c) 2018 Cosmin Truta
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* Copyright (c) 2018-2022 Cosmin Truta
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* Copyright (c) 2014,2016 Glenn Randers-Pehrson
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* Written by Mans Rullgard, 2011.
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*
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@ -10,9 +10,7 @@
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* and license in png.h
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*/
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/* Below, after checking __linux__, various non-C90 POSIX 1003.1 functions are
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* called.
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*/
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/* This module requires POSIX 1003.1 functions. */
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#define _POSIX_SOURCE 1
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#include "../pngpriv.h"
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@ -33,21 +31,26 @@
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* has partial support is contrib/arm-neon/linux.c - a generic Linux
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* implementation which reads /proc/cpufino.
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*/
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#include <signal.h> /* for sig_atomic_t */
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#ifndef PNG_ARM_NEON_FILE
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# ifdef __linux__
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# define PNG_ARM_NEON_FILE "contrib/arm-neon/linux.c"
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# if defined(__aarch64__) || defined(_M_ARM64)
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/* ARM Neon is expected to be unconditionally available on ARM64. */
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# error "PNG_ARM_NEON_CHECK_SUPPORTED must not be defined on ARM64"
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# elif defined(__ARM_NEON__) || defined(__ARM_NEON)
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/* ARM Neon is expected to be available on the target CPU architecture. */
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# error "PNG_ARM_NEON_CHECK_SUPPORTED must not be defined on this CPU arch"
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# elif defined(__linux__)
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# define PNG_ARM_NEON_FILE "contrib/arm-neon/linux.c"
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# else
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# error "No support for run-time ARM Neon checking; use compile-time options"
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# endif
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#endif
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#ifdef PNG_ARM_NEON_FILE
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#include <signal.h> /* for sig_atomic_t */
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static int png_have_neon(png_structp png_ptr);
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#include PNG_ARM_NEON_FILE
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#else /* PNG_ARM_NEON_FILE */
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# error "PNG_ARM_NEON_FILE undefined: no support for run-time ARM NEON checks"
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#endif /* PNG_ARM_NEON_FILE */
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#ifdef PNG_ARM_NEON_FILE
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# include PNG_ARM_NEON_FILE
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#endif
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#endif /* PNG_ARM_NEON_CHECK_SUPPORTED */
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#ifndef PNG_ALIGNED_MEMORY_SUPPORTED
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@ -18,7 +18,7 @@
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/* This code requires -mfpu=neon on the command line: */
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#if PNG_ARM_NEON_IMPLEMENTATION == 1 /* intrinsics code from pngpriv.h */
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#if defined(_MSC_VER) && defined(_M_ARM64)
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#if defined(_MSC_VER) && !defined(__clang__) && defined(_M_ARM64)
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# include <arm64_neon.h>
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#else
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# include <arm_neon.h>
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@ -14,7 +14,7 @@
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#if PNG_ARM_NEON_IMPLEMENTATION == 1
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#if defined(_MSC_VER) && defined(_M_ARM64)
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#if defined(_MSC_VER) && !defined(__clang__) && defined(_M_ARM64)
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# include <arm64_neon.h>
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#else
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# include <arm_neon.h>
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@ -30,8 +30,6 @@ png_riffle_palette_neon(png_structrp png_ptr)
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int num_trans = png_ptr->num_trans;
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int i;
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png_debug(1, "in png_riffle_palette_neon");
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/* Initially black, opaque. */
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uint8x16x4_t w = {{
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vdupq_n_u8(0x00),
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@ -40,6 +38,8 @@ png_riffle_palette_neon(png_structrp png_ptr)
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vdupq_n_u8(0xff),
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}};
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png_debug(1, "in png_riffle_palette_neon");
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/* First, riffle the RGB colours into an RGBA8 palette.
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* The alpha component is set to opaque for now.
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*/
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@ -65,11 +65,12 @@ png_do_expand_palette_rgba8_neon(png_structrp png_ptr, png_row_infop row_info,
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png_uint_32 row_width = row_info->width;
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const png_uint_32 *riffled_palette =
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(const png_uint_32 *)png_ptr->riffled_palette;
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const png_int_32 pixels_per_chunk = 4;
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int i;
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const png_uint_32 pixels_per_chunk = 4;
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png_uint_32 i;
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png_debug(1, "in png_do_expand_palette_rgba8_neon");
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PNG_UNUSED(row)
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if (row_width < pixels_per_chunk)
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return 0;
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@ -109,10 +110,11 @@ png_do_expand_palette_rgb8_neon(png_structrp png_ptr, png_row_infop row_info,
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png_uint_32 row_width = row_info->width;
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png_const_bytep palette = (png_const_bytep)png_ptr->palette;
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const png_uint_32 pixels_per_chunk = 8;
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int i;
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png_uint_32 i;
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png_debug(1, "in png_do_expand_palette_rgb8_neon");
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PNG_UNUSED(row)
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if (row_width <= pixels_per_chunk)
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return 0;
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@ -144,3 +144,19 @@ pngwutil.o: pnglibconf.h
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pngwutil.o: pngprefix.h
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pngwutil.o: pngpriv.h
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pngwutil.o: pngstruct.h
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powerpc/filter_vsx_intrinsics.o: png.h
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powerpc/filter_vsx_intrinsics.o: pngconf.h
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powerpc/filter_vsx_intrinsics.o: pngdebug.h
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powerpc/filter_vsx_intrinsics.o: pnginfo.h
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powerpc/filter_vsx_intrinsics.o: pnglibconf.h
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powerpc/filter_vsx_intrinsics.o: pngprefix.h
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powerpc/filter_vsx_intrinsics.o: pngpriv.h
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powerpc/filter_vsx_intrinsics.o: pngstruct.h
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powerpc/powerpc_init.o: png.h
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powerpc/powerpc_init.o: pngconf.h
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powerpc/powerpc_init.o: pngdebug.h
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powerpc/powerpc_init.o: pnginfo.h
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powerpc/powerpc_init.o: pnglibconf.h
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powerpc/powerpc_init.o: pngprefix.h
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powerpc/powerpc_init.o: pngpriv.h
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powerpc/powerpc_init.o: pngstruct.h
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18
png/png.c
18
png/png.c
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@ -1,7 +1,7 @@
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/* png.c - location for general purpose libpng functions
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*
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* Copyright (c) 2018-2019 Cosmin Truta
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* Copyright (c) 2018-2022 Cosmin Truta
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* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
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* Copyright (c) 1996-1997 Andreas Dilger
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -14,7 +14,7 @@
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#include "pngpriv.h"
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/* Generate a compiler error if there is an old png.h in the search path. */
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typedef png_libpng_version_1_6_37 Your_png_h_is_not_version_1_6_37;
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typedef png_libpng_version_1_6_39 Your_png_h_is_not_version_1_6_39;
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#ifdef __GNUC__
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/* The version tests may need to be added to, but the problem warning has
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@ -720,7 +720,7 @@ png_init_io(png_structrp png_ptr, png_FILE_p fp)
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*
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* Where UNSIGNED_MAX is the appropriate maximum unsigned value, so when the
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* negative integral value is added the result will be an unsigned value
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* correspnding to the 2's complement representation.
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* corresponding to the 2's complement representation.
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*/
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void PNGAPI
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png_save_int_32(png_bytep buf, png_int_32 i)
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@ -752,7 +752,7 @@ png_convert_to_rfc1123_buffer(char out[29], png_const_timep ptime)
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{
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size_t pos = 0;
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char number_buf[5] = ""; /* enough for a four-digit year */ /* FLTK Issue #296 */
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char number_buf[5]; /* enough for a four-digit year */
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# define APPEND_STRING(string) pos = png_safecat(out, 29, pos, (string))
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# define APPEND_NUMBER(format, value)\
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@ -815,8 +815,8 @@ png_get_copyright(png_const_structrp png_ptr)
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return PNG_STRING_COPYRIGHT
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#else
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return PNG_STRING_NEWLINE \
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"libpng version 1.6.37" PNG_STRING_NEWLINE \
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"Copyright (c) 2018-2019 Cosmin Truta" PNG_STRING_NEWLINE \
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"libpng version 1.6.39" PNG_STRING_NEWLINE \
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"Copyright (c) 2018-2022 Cosmin Truta" PNG_STRING_NEWLINE \
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"Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \
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PNG_STRING_NEWLINE \
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"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
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@ -1843,12 +1843,12 @@ png_icc_profile_error(png_const_structrp png_ptr, png_colorspacerp colorspace,
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# ifdef PNG_WARNINGS_SUPPORTED
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else
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{
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char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114*/
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char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114 */
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pos = png_safecat(message, (sizeof message), pos,
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png_format_number(number, number+(sizeof number),
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PNG_NUMBER_FORMAT_x, value));
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pos = png_safecat(message, (sizeof message), pos, "h: "); /*+2 = 116*/
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pos = png_safecat(message, (sizeof message), pos, "h: "); /* +2 = 116 */
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}
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# endif
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/* The 'reason' is an arbitrary message, allow +79 maximum 195 */
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@ -2710,7 +2710,7 @@ png_check_IHDR(png_const_structrp png_ptr,
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int /* PRIVATE */
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png_check_fp_number(png_const_charp string, size_t size, int *statep,
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png_size_tp whereami)
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size_t *whereami)
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{
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int state = *statep;
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size_t i = *whereami;
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14
png/pngget.c
14
png/pngget.c
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@ -1151,7 +1151,7 @@ png_get_unknown_chunks(png_const_structrp png_ptr, png_inforp info_ptr,
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#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED
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png_byte PNGAPI
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png_get_rgb_to_gray_status (png_const_structrp png_ptr)
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png_get_rgb_to_gray_status(png_const_structrp png_ptr)
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{
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return (png_byte)(png_ptr ? png_ptr->rgb_to_gray_status : 0);
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}
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@ -1192,27 +1192,27 @@ png_get_compression_buffer_size(png_const_structrp png_ptr)
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/* These functions were added to libpng 1.2.6 and were enabled
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* by default in libpng-1.4.0 */
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png_uint_32 PNGAPI
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png_get_user_width_max (png_const_structrp png_ptr)
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png_get_user_width_max(png_const_structrp png_ptr)
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{
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return (png_ptr ? png_ptr->user_width_max : 0);
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}
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png_uint_32 PNGAPI
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png_get_user_height_max (png_const_structrp png_ptr)
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png_get_user_height_max(png_const_structrp png_ptr)
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{
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return (png_ptr ? png_ptr->user_height_max : 0);
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}
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/* This function was added to libpng 1.4.0 */
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png_uint_32 PNGAPI
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png_get_chunk_cache_max (png_const_structrp png_ptr)
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png_get_chunk_cache_max(png_const_structrp png_ptr)
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{
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return (png_ptr ? png_ptr->user_chunk_cache_max : 0);
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}
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/* This function was added to libpng 1.4.1 */
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png_alloc_size_t PNGAPI
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png_get_chunk_malloc_max (png_const_structrp png_ptr)
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png_get_chunk_malloc_max(png_const_structrp png_ptr)
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{
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return (png_ptr ? png_ptr->user_chunk_malloc_max : 0);
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}
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@ -1221,13 +1221,13 @@ png_get_chunk_malloc_max (png_const_structrp png_ptr)
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/* These functions were added to libpng 1.4.0 */
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#ifdef PNG_IO_STATE_SUPPORTED
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png_uint_32 PNGAPI
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png_get_io_state (png_const_structrp png_ptr)
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png_get_io_state(png_const_structrp png_ptr)
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{
|
||||
return png_ptr->io_state;
|
||||
}
|
||||
|
||||
png_uint_32 PNGAPI
|
||||
png_get_io_chunk_type (png_const_structrp png_ptr)
|
||||
png_get_io_chunk_type(png_const_structrp png_ptr)
|
||||
{
|
||||
return png_ptr->chunk_name;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -3,15 +3,15 @@
|
|||
**
|
||||
** This file must be generated on Linux in a libpng distribution using:
|
||||
** $ ./configure --with-libpng-prefix=fltk_
|
||||
**
|
||||
** $ make
|
||||
** All lines including the 'fltk_' prefix must be upgraded with libpng.
|
||||
*/
|
||||
|
||||
/* pnglibconf.h - library build configuration */
|
||||
|
||||
/* libpng version 1.6.37 */
|
||||
/* libpng version 1.6.39 */
|
||||
|
||||
/* Copyright (c) 2018-2019 Cosmin Truta */
|
||||
/* Copyright (c) 2018-2022 Cosmin Truta */
|
||||
/* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson */
|
||||
|
||||
/* This code is released under the libpng license. */
|
||||
|
|
|
|||
|
|
@ -60,6 +60,13 @@
|
|||
#define png_do_read_interlace fltk_png_do_read_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_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_read_IDAT_data fltk_png_read_IDAT_data
|
||||
#define png_read_finish_IDAT fltk_png_read_finish_IDAT
|
||||
|
|
@ -163,4 +170,8 @@
|
|||
#define png_safe_warning fltk_png_safe_warning
|
||||
#define png_safe_execute fltk_png_safe_execute
|
||||
#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_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
|
||||
|
|
|
|||
|
|
@ -3452,7 +3452,6 @@ png_image_read_background(png_voidp argument)
|
|||
|
||||
for (pass = 0; pass < passes; ++pass)
|
||||
{
|
||||
png_bytep row = png_voidcast(png_bytep, display->first_row);
|
||||
unsigned int startx, stepx, stepy;
|
||||
png_uint_32 y;
|
||||
|
||||
|
|
@ -3557,9 +3556,6 @@ png_image_read_background(png_voidp argument)
|
|||
|
||||
inrow += 2; /* gray and alpha channel */
|
||||
}
|
||||
|
||||
row += display->row_bytes;
|
||||
(void)row; // FLTK: silence warning: FIXME - remove variable 'row'?
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -3766,13 +3762,13 @@ png_image_read_direct(png_voidp argument)
|
|||
mode = PNG_ALPHA_PNG;
|
||||
output_gamma = PNG_DEFAULT_sRGB;
|
||||
}
|
||||
|
||||
|
||||
if ((change & PNG_FORMAT_FLAG_ASSOCIATED_ALPHA) != 0)
|
||||
{
|
||||
mode = PNG_ALPHA_OPTIMIZED;
|
||||
change &= ~PNG_FORMAT_FLAG_ASSOCIATED_ALPHA;
|
||||
}
|
||||
|
||||
|
||||
/* If 'do_local_background' is set check for the presence of gamma
|
||||
* correction; this is part of the work-round for the libpng bug
|
||||
* described above.
|
||||
|
|
|
|||
|
|
@ -21,7 +21,7 @@
|
|||
#ifdef PNG_ARM_NEON_IMPLEMENTATION
|
||||
# if PNG_ARM_NEON_IMPLEMENTATION == 1
|
||||
# define PNG_ARM_NEON_INTRINSICS_AVAILABLE
|
||||
# if defined(_MSC_VER) && defined(_M_ARM64)
|
||||
# if defined(_MSC_VER) && !defined(__clang__) && defined(_M_ARM64)
|
||||
# include <arm64_neon.h>
|
||||
# else
|
||||
# include <arm_neon.h>
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngrutil.c - utilities to read a PNG file
|
||||
*
|
||||
* Copyright (c) 2018 Cosmin Truta
|
||||
* Copyright (c) 2018-2022 Cosmin Truta
|
||||
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1996-1997 Andreas Dilger
|
||||
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
|
||||
|
|
@ -301,7 +301,6 @@ png_read_buffer(png_structrp png_ptr, png_alloc_size_t new_size, int warn)
|
|||
|
||||
if (buffer != NULL && new_size > png_ptr->read_buffer_size)
|
||||
{
|
||||
png_ptr->read_buffer = NULL;
|
||||
png_ptr->read_buffer = NULL;
|
||||
png_ptr->read_buffer_size = 0;
|
||||
png_free(png_ptr, buffer);
|
||||
|
|
@ -2076,21 +2075,22 @@ png_handle_eXIf(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
|||
png_byte buf[1];
|
||||
png_crc_read(png_ptr, buf, 1);
|
||||
info_ptr->eXIf_buf[i] = buf[0];
|
||||
if (i == 1 && buf[0] != 'M' && buf[0] != 'I'
|
||||
&& info_ptr->eXIf_buf[0] != buf[0])
|
||||
if (i == 1)
|
||||
{
|
||||
png_crc_finish(png_ptr, length);
|
||||
png_chunk_benign_error(png_ptr, "incorrect byte-order specifier");
|
||||
png_free(png_ptr, info_ptr->eXIf_buf);
|
||||
info_ptr->eXIf_buf = NULL;
|
||||
return;
|
||||
if ((buf[0] != 'M' && buf[0] != 'I') ||
|
||||
(info_ptr->eXIf_buf[0] != buf[0]))
|
||||
{
|
||||
png_crc_finish(png_ptr, length - 2);
|
||||
png_chunk_benign_error(png_ptr, "incorrect byte-order specifier");
|
||||
png_free(png_ptr, info_ptr->eXIf_buf);
|
||||
info_ptr->eXIf_buf = NULL;
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (png_crc_finish(png_ptr, 0) != 0)
|
||||
return;
|
||||
|
||||
png_set_eXIf_1(png_ptr, info_ptr, length, info_ptr->eXIf_buf);
|
||||
if (png_crc_finish(png_ptr, 0) == 0)
|
||||
png_set_eXIf_1(png_ptr, info_ptr, length, info_ptr->eXIf_buf);
|
||||
|
||||
png_free(png_ptr, info_ptr->eXIf_buf);
|
||||
info_ptr->eXIf_buf = NULL;
|
||||
|
|
@ -2126,8 +2126,9 @@ png_handle_hIST(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
|||
|
||||
num = length / 2 ;
|
||||
|
||||
if (num != (unsigned int) png_ptr->num_palette ||
|
||||
num > (unsigned int) PNG_MAX_PALETTE_LENGTH)
|
||||
if (length != num * 2 ||
|
||||
num != (unsigned int)png_ptr->num_palette ||
|
||||
num > (unsigned int)PNG_MAX_PALETTE_LENGTH)
|
||||
{
|
||||
png_crc_finish(png_ptr, length);
|
||||
png_chunk_benign_error(png_ptr, "invalid");
|
||||
|
|
@ -3185,7 +3186,7 @@ png_check_chunk_length(png_const_structrp png_ptr, png_uint_32 length)
|
|||
{
|
||||
png_debug2(0," length = %lu, limit = %lu",
|
||||
(unsigned long)length,(unsigned long)limit);
|
||||
png_chunk_error(png_ptr, "chunk data is too large");
|
||||
png_benign_error(png_ptr, "chunk data is too large");
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -4621,14 +4622,13 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
|
|||
*/
|
||||
{
|
||||
png_bytep temp = png_ptr->big_row_buf + 32;
|
||||
int extra = (int)((temp - (png_bytep)0) & 0x0f);
|
||||
size_t extra = (size_t)temp & 0x0f;
|
||||
png_ptr->row_buf = temp - extra - 1/*filter byte*/;
|
||||
|
||||
temp = png_ptr->big_prev_row + 32;
|
||||
extra = (int)((temp - (png_bytep)0) & 0x0f);
|
||||
extra = (size_t)temp & 0x0f;
|
||||
png_ptr->prev_row = temp - extra - 1/*filter byte*/;
|
||||
}
|
||||
|
||||
#else
|
||||
/* Use 31 bytes of padding before and 17 bytes after row_buf. */
|
||||
png_ptr->row_buf = png_ptr->big_row_buf + 31;
|
||||
|
|
|
|||
13
png/pngset.c
13
png/pngset.c
|
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngset.c - storage of image information into info struct
|
||||
*
|
||||
* Copyright (c) 2018 Cosmin Truta
|
||||
* Copyright (c) 2018-2022 Cosmin Truta
|
||||
* Copyright (c) 1998-2018 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1996-1997 Andreas Dilger
|
||||
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
|
||||
|
|
@ -1019,6 +1019,9 @@ png_set_tRNS(png_structrp png_ptr, png_inforp info_ptr,
|
|||
info_ptr->trans_alpha = png_voidcast(png_bytep,
|
||||
png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH));
|
||||
memcpy(info_ptr->trans_alpha, trans_alpha, (size_t)num_trans);
|
||||
|
||||
info_ptr->valid |= PNG_INFO_tRNS;
|
||||
info_ptr->free_me |= PNG_FREE_TRNS;
|
||||
}
|
||||
png_ptr->trans_alpha = info_ptr->trans_alpha;
|
||||
}
|
||||
|
|
@ -1326,7 +1329,7 @@ png_set_unknown_chunk_location(png_const_structrp png_ptr, png_inforp info_ptr,
|
|||
|
||||
#ifdef PNG_MNG_FEATURES_SUPPORTED
|
||||
png_uint_32 PNGAPI
|
||||
png_permit_mng_features (png_structrp png_ptr, png_uint_32 mng_features)
|
||||
png_permit_mng_features(png_structrp png_ptr, png_uint_32 mng_features)
|
||||
{
|
||||
png_debug(1, "in png_permit_mng_features");
|
||||
|
||||
|
|
@ -1633,7 +1636,7 @@ png_set_invalid(png_const_structrp png_ptr, png_inforp info_ptr, int mask)
|
|||
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
|
||||
/* This function was added to libpng 1.2.6 */
|
||||
void PNGAPI
|
||||
png_set_user_limits (png_structrp png_ptr, png_uint_32 user_width_max,
|
||||
png_set_user_limits(png_structrp png_ptr, png_uint_32 user_width_max,
|
||||
png_uint_32 user_height_max)
|
||||
{
|
||||
/* Images with dimensions larger than these limits will be
|
||||
|
|
@ -1649,7 +1652,7 @@ png_set_user_limits (png_structrp png_ptr, png_uint_32 user_width_max,
|
|||
|
||||
/* This function was added to libpng 1.4.0 */
|
||||
void PNGAPI
|
||||
png_set_chunk_cache_max (png_structrp png_ptr, png_uint_32 user_chunk_cache_max)
|
||||
png_set_chunk_cache_max(png_structrp png_ptr, png_uint_32 user_chunk_cache_max)
|
||||
{
|
||||
if (png_ptr != NULL)
|
||||
png_ptr->user_chunk_cache_max = user_chunk_cache_max;
|
||||
|
|
@ -1657,7 +1660,7 @@ png_set_chunk_cache_max (png_structrp png_ptr, png_uint_32 user_chunk_cache_max)
|
|||
|
||||
/* This function was added to libpng 1.4.1 */
|
||||
void PNGAPI
|
||||
png_set_chunk_malloc_max (png_structrp png_ptr,
|
||||
png_set_chunk_malloc_max(png_structrp png_ptr,
|
||||
png_alloc_size_t user_chunk_malloc_max)
|
||||
{
|
||||
if (png_ptr != NULL)
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngwrite.c - general routines to write a PNG file
|
||||
*
|
||||
* Copyright (c) 2018-2019 Cosmin Truta
|
||||
* Copyright (c) 2018-2022 Cosmin Truta
|
||||
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1996-1997 Andreas Dilger
|
||||
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
|
||||
|
|
@ -75,10 +75,10 @@ write_unknown_chunks(png_structrp png_ptr, png_const_inforp info_ptr,
|
|||
* library. If you have a new chunk to add, make a function to write it,
|
||||
* and put it in the correct location here. If you want the chunk written
|
||||
* after the image data, put it in png_write_end(). I strongly encourage
|
||||
* you to supply a PNG_INFO_ flag, and check info_ptr->valid before writing
|
||||
* the chunk, as that will keep the code from breaking if you want to just
|
||||
* write a plain PNG file. If you have long comments, I suggest writing
|
||||
* them in png_write_end(), and compressing them.
|
||||
* you to supply a PNG_INFO_<chunk> flag, and check info_ptr->valid before
|
||||
* writing the chunk, as that will keep the code from breaking if you want
|
||||
* to just write a plain PNG file. If you have long comments, I suggest
|
||||
* writing them in png_write_end(), and compressing them.
|
||||
*/
|
||||
void PNGAPI
|
||||
png_write_info_before_PLTE(png_structrp png_ptr, png_const_inforp info_ptr)
|
||||
|
|
@ -489,6 +489,16 @@ png_convert_from_time_t(png_timep ptime, time_t ttime)
|
|||
png_debug(1, "in png_convert_from_time_t");
|
||||
|
||||
tbuf = gmtime(&ttime);
|
||||
if (tbuf == NULL)
|
||||
{
|
||||
/* TODO: add a safe function which takes a png_ptr argument and raises
|
||||
* a png_error if the ttime argument is invalid and the call to gmtime
|
||||
* fails as a consequence.
|
||||
*/
|
||||
memset(ptime, 0, sizeof(*ptime));
|
||||
return;
|
||||
}
|
||||
|
||||
png_convert_from_struct_tm(ptime, tbuf);
|
||||
}
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngwutil.c - utilities to write a PNG file
|
||||
*
|
||||
* Copyright (c) 2018 Cosmin Truta
|
||||
* Copyright (c) 2018-2022 Cosmin Truta
|
||||
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1996-1997 Andreas Dilger
|
||||
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
|
||||
|
|
@ -1747,7 +1747,7 @@ png_write_pCAL(png_structrp png_ptr, png_charp purpose, png_int_32 X0,
|
|||
{
|
||||
png_uint_32 purpose_len;
|
||||
size_t units_len, total_len;
|
||||
png_size_tp params_len;
|
||||
size_t *params_len;
|
||||
png_byte buf[10];
|
||||
png_byte new_purpose[80];
|
||||
int i;
|
||||
|
|
@ -1769,7 +1769,7 @@ png_write_pCAL(png_structrp png_ptr, png_charp purpose, png_int_32 X0,
|
|||
png_debug1(3, "pCAL units length = %d", (int)units_len);
|
||||
total_len = purpose_len + units_len + 10;
|
||||
|
||||
params_len = (png_size_tp)png_malloc(png_ptr,
|
||||
params_len = (size_t *)png_malloc(png_ptr,
|
||||
(png_alloc_size_t)((png_alloc_size_t)nparams * (sizeof (size_t))));
|
||||
|
||||
/* Find the length of each parameter, making sure we don't count the
|
||||
|
|
|
|||
Loading…
Reference in New Issue