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Update libpng to version 1.6.29
This commit is contained in:
Crayon2000
parent
af81a39ef7
commit
41506eab88
8 changed files with 138 additions and 40 deletions
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@ -10,7 +10,7 @@ this sentence.
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This code is released under the libpng license.
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libpng versions 1.0.7, July 1, 2000 through 1.6.28, January 5, 2017 are
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libpng versions 1.0.7, July 1, 2000 through 1.6.29, March 16, 2017 are
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Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
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derived from libpng-1.0.6, and are distributed according to the same
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disclaimer and license as libpng-1.0.6 with the following individuals
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@ -23,6 +23,8 @@ added to the list of Contributing Authors:
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Gilles Vollant
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James Yu
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Mandar Sahastrabuddhe
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Google Inc.
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Vadim Barkov
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and with the following additions to the disclaimer:
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@ -128,4 +130,4 @@ any encryption software. See the EAR, paragraphs 734.3(b)(3) and
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Glenn Randers-Pehrson
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glennrp at users.sourceforge.net
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January 5, 2017
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March 16, 2017
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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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* Last changed in libpng 1.6.28 [January 5, 2017]
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* Last changed in libpng 1.6.29 [March 16, 2017]
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* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 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_28 Your_png_h_is_not_version_1_6_28;
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typedef png_libpng_version_1_6_29 Your_png_h_is_not_version_1_6_29;
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/* Tells libpng that we have already handled the first "num_bytes" bytes
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* of the PNG file signature. If the PNG data is embedded into another
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@ -776,14 +776,14 @@ png_get_copyright(png_const_structrp png_ptr)
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#else
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# ifdef __STDC__
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return PNG_STRING_NEWLINE \
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"libpng version 1.6.28 - January 5, 2017" PNG_STRING_NEWLINE \
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"libpng version 1.6.29 - March 16, 2017" PNG_STRING_NEWLINE \
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"Copyright (c) 1998-2002,2004,2006-2017 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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"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
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PNG_STRING_NEWLINE;
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# else
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return "libpng version 1.6.28 - January 5, 2017\
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return "libpng version 1.6.29 - March 16, 2017\
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Copyright (c) 1998-2002,2004,2006-2017 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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@ -4260,13 +4260,13 @@ png_set_option(png_structrp png_ptr, int option, int onoff)
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if (png_ptr != NULL && option >= 0 && option < PNG_OPTION_NEXT &&
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(option & 1) == 0)
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{
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png_uint_32 mask = 3 << option;
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png_uint_32 setting = (2 + (onoff != 0)) << option;
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png_uint_32 mask = 3U << option;
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png_uint_32 setting = (2U + (onoff != 0)) << option;
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png_uint_32 current = png_ptr->options;
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png_ptr->options = (png_uint_32)(((current & ~mask) | setting) & 0xff);
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return (current & mask) >> option;
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return (int)(current & mask) >> option;
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}
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return PNG_OPTION_INVALID;
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@ -1,7 +1,7 @@
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/* png.h - header file for PNG reference library
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*
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* libpng version 1.6.28, January 5, 2017
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* libpng version 1.6.29, March 16, 2017
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*
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* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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@ -12,7 +12,7 @@
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* Authors and maintainers:
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* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
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* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
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* libpng versions 0.97, January 1998, through 1.6.28, January 5, 2017:
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* libpng versions 0.97, January 1998, through 1.6.29, March 16, 2017:
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* Glenn Randers-Pehrson.
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* See also "Contributing Authors", below.
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*/
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@ -25,7 +25,7 @@
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*
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* This code is released under the libpng license.
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*
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* libpng versions 1.0.7, July 1, 2000 through 1.6.28, January 5, 2017 are
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* libpng versions 1.0.7, July 1, 2000 through 1.6.29, March 16, 2017 are
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* Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
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* derived from libpng-1.0.6, and are distributed according to the same
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* disclaimer and license as libpng-1.0.6 with the following individuals
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@ -38,6 +38,8 @@
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* Gilles Vollant
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* James Yu
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* Mandar Sahastrabuddhe
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* Google Inc.
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* Vadim Barkov
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*
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* and with the following additions to the disclaimer:
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*
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@ -211,7 +213,7 @@
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* ...
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* 1.5.28 15 10527 15.so.15.28[.0]
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* ...
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* 1.6.28 16 10628 16.so.16.28[.0]
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* 1.6.29 16 10629 16.so.16.29[.0]
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*
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* Henceforth the source version will match the shared-library major
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* and minor numbers; the shared-library major version number will be
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@ -239,13 +241,13 @@
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* Y2K compliance in libpng:
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* =========================
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*
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* January 5, 2017
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* March 16, 2017
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*
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* Since the PNG Development group is an ad-hoc body, we can't make
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* an official declaration.
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*
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* This is your unofficial assurance that libpng from version 0.71 and
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* upward through 1.6.28 are Y2K compliant. It is my belief that
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* upward through 1.6.29 are Y2K compliant. It is my belief that
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* earlier versions were also Y2K compliant.
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*
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* Libpng only has two year fields. One is a 2-byte unsigned integer
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@ -307,8 +309,8 @@
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*/
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/* Version information for png.h - this should match the version in png.c */
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#define PNG_LIBPNG_VER_STRING "1.6.28"
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#define PNG_HEADER_VERSION_STRING " libpng version 1.6.28 - January 5, 2017\n"
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#define PNG_LIBPNG_VER_STRING "1.6.29"
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#define PNG_HEADER_VERSION_STRING " libpng version 1.6.29 - March 16, 2017\n"
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#define PNG_LIBPNG_VER_SONUM 16
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#define PNG_LIBPNG_VER_DLLNUM 16
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@ -316,7 +318,7 @@
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/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
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#define PNG_LIBPNG_VER_MAJOR 1
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#define PNG_LIBPNG_VER_MINOR 6
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#define PNG_LIBPNG_VER_RELEASE 28
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#define PNG_LIBPNG_VER_RELEASE 29
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/* This should match the numeric part of the final component of
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* PNG_LIBPNG_VER_STRING, omitting any leading zero:
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@ -347,7 +349,7 @@
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* version 1.0.0 was mis-numbered 100 instead of 10000). From
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* version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release
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*/
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#define PNG_LIBPNG_VER 10628 /* 1.6.28 */
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#define PNG_LIBPNG_VER 10629 /* 1.6.29 */
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/* Library configuration: these options cannot be changed after
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* the library has been built.
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@ -457,7 +459,7 @@ extern "C" {
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/* This triggers a compiler error in png.c, if png.c and png.h
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* do not agree upon the version number.
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*/
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typedef char* png_libpng_version_1_6_28;
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typedef char* png_libpng_version_1_6_29;
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/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
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*
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@ -3224,7 +3226,10 @@ PNG_EXPORT(245, int, png_image_write_to_memory, (png_imagep image, void *memory,
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# define PNG_MIPS_MSA 6 /* HARDWARE: MIPS Msa SIMD instructions supported */
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#endif
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#define PNG_IGNORE_ADLER32 8
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#define PNG_OPTION_NEXT 10 /* Next option - numbers must be even */
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#ifdef PNG_POWERPC_VSX_API_SUPPORTED
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# define PNG_POWERPC_VSX 10 /* HARDWARE: PowerPC VSX SIMD instructions supported */
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#endif
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#define PNG_OPTION_NEXT 12 /* Next option - numbers must be even */
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/* Return values: NOTE: there are four values and 'off' is *not* zero */
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#define PNG_OPTION_UNSET 0 /* Unset - defaults to off */
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@ -1,7 +1,7 @@
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/* pngconf.h - machine configurable file for libpng
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*
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* libpng version 1.6.28, January 5, 2017
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* libpng version 1.6.29, March 16, 2017
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*
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* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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@ -1,8 +1,8 @@
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/* pngpriv.h - private declarations for use inside libpng
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*
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* Last changed in libpng 1.6.26 [October 20, 2016]
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* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
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* Last changed in libpng 1.6.29 [March 16, 2017]
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* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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*
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@ -190,6 +190,50 @@
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# endif
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#endif
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#ifndef PNG_POWERPC_VSX_OPT
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# if defined(__PPC64__) && defined(__ALTIVEC__) && defined(__VSX__)
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# define PNG_POWERPC_VSX_OPT 2
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# else
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# define PNG_POWERPC_VSX_OPT 0
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# endif
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#endif
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#ifndef PNG_INTEL_SSE_OPT
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# ifdef PNG_INTEL_SSE
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/* Only check for SSE if the build configuration has been modified to
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* enable SSE optimizations. This means that these optimizations will
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* be off by default. See contrib/intel for more details.
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*/
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# if defined(__SSE4_1__) || defined(__AVX__) || defined(__SSSE3__) || \
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defined(__SSE2__) || defined(_M_X64) || defined(_M_AMD64) || \
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(defined(_M_IX86_FP) && _M_IX86_FP >= 2)
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# define PNG_INTEL_SSE_OPT 1
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# endif
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# endif
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#endif
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#if PNG_INTEL_SSE_OPT > 0
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# ifndef PNG_INTEL_SSE_IMPLEMENTATION
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# if defined(__SSE4_1__) || defined(__AVX__)
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/* We are not actually using AVX, but checking for AVX is the best
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way we can detect SSE4.1 and SSSE3 on MSVC.
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*/
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# define PNG_INTEL_SSE_IMPLEMENTATION 3
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# elif defined(__SSSE3__)
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# define PNG_INTEL_SSE_IMPLEMENTATION 2
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# elif defined(__SSE2__) || defined(_M_X64) || defined(_M_AMD64) || \
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(defined(_M_IX86_FP) && _M_IX86_FP >= 2)
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# define PNG_INTEL_SSE_IMPLEMENTATION 1
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# else
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# define PNG_INTEL_SSE_IMPLEMENTATION 0
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# endif
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# endif
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# if PNG_INTEL_SSE_IMPLEMENTATION > 0
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# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_sse2
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# endif
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#endif
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#if PNG_MIPS_MSA_OPT > 0
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# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_msa
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# ifndef PNG_MIPS_MSA_IMPLEMENTATION
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@ -210,6 +254,11 @@
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# endif
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#endif /* PNG_MIPS_MSA_OPT > 0 */
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#if PNG_POWERPC_VSX_OPT > 0
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# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_vsx
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# define PNG_POWERPC_VSX_IMPLEMENTATION 1
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#endif
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/* Is this a build of a DLL where compilation of the object modules requires
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* different preprocessor settings to those required for a simple library? If
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@ -1256,6 +1305,38 @@ PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_msa,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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#endif
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#if PNG_POWERPC_VSX_OPT > 0
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_up_vsx,(png_row_infop row_info,
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png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub3_vsx,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub4_vsx,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg3_vsx,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg4_vsx,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth3_vsx,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_vsx,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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#endif
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#if PNG_INTEL_SSE_IMPLEMENTATION > 0
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub3_sse2,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub4_sse2,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg3_sse2,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg4_sse2,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth3_sse2,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_sse2,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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#endif
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/* Choose the best filter to use and filter the row data */
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PNG_INTERNAL_FUNCTION(void,png_write_find_filter,(png_structrp png_ptr,
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png_row_infop row_info),PNG_EMPTY);
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@ -1991,6 +2072,11 @@ PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_neon,
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PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_msa,
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(png_structp png_ptr, unsigned int bpp), PNG_EMPTY);
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#endif
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# if PNG_INTEL_SSE_IMPLEMENTATION > 0
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PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_sse2,
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(png_structp png_ptr, unsigned int bpp), PNG_EMPTY);
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# endif
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#endif
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PNG_INTERNAL_FUNCTION(png_uint_32, png_check_keyword, (png_structrp png_ptr,
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@ -1,8 +1,8 @@
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/* pngrtran.c - transforms the data in a row for PNG readers
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*
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* Last changed in libpng 1.6.24 [August 4, 2016]
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* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
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* Last changed in libpng 1.6.29 [March 16, 2017]
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* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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*
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@ -4302,7 +4302,7 @@ png_do_expand_palette(png_row_infop row_info, png_bytep row,
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if (num_trans > 0)
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{
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sp = row + (png_size_t)row_width - 1;
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dp = row + (png_size_t)(row_width << 2) - 1;
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dp = row + ((png_size_t)row_width << 2) - 1;
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for (i = 0; i < row_width; i++)
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{
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@ -4463,7 +4463,7 @@ png_do_expand(png_row_infop row_info, png_bytep row,
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{
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gray = gray & 0xff;
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sp = row + (png_size_t)row_width - 1;
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dp = row + (png_size_t)(row_width << 1) - 1;
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dp = row + ((png_size_t)row_width << 1) - 1;
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for (i = 0; i < row_width; i++)
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{
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@ -4519,7 +4519,7 @@ png_do_expand(png_row_infop row_info, png_bytep row,
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png_byte green = (png_byte)(trans_color->green & 0xff);
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png_byte blue = (png_byte)(trans_color->blue & 0xff);
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sp = row + (png_size_t)row_info->rowbytes - 1;
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dp = row + (png_size_t)(row_width << 2) - 1;
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dp = row + ((png_size_t)row_width << 2) - 1;
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for (i = 0; i < row_width; i++)
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{
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if (*(sp - 2) == red && *(sp - 1) == green && *(sp) == blue)
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||||
|
|
@ -4542,7 +4542,7 @@ png_do_expand(png_row_infop row_info, png_bytep row,
|
|||
png_byte green_low = (png_byte)(trans_color->green & 0xff);
|
||||
png_byte blue_low = (png_byte)(trans_color->blue & 0xff);
|
||||
sp = row + row_info->rowbytes - 1;
|
||||
dp = row + (png_size_t)(row_width << 3) - 1;
|
||||
dp = row + ((png_size_t)row_width << 3) - 1;
|
||||
for (i = 0; i < row_width; i++)
|
||||
{
|
||||
if (*(sp - 5) == red_high &&
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
|
||||
/* pngrutil.c - utilities to read a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.6.27 [January 5, 2017]
|
||||
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
|
||||
* Last changed in libpng 1.6.29 [March 16, 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.)
|
||||
*
|
||||
|
|
@ -418,7 +418,7 @@ png_inflate_claim(png_structrp png_ptr, png_uint_32 owner)
|
|||
png_ptr->flags |= PNG_FLAG_ZSTREAM_INITIALIZED;
|
||||
}
|
||||
|
||||
#if ZLIB_VERNUM >= 0x1281 && \
|
||||
#if ZLIB_VERNUM >= 0x1290 && \
|
||||
defined(PNG_SET_OPTION_SUPPORTED) && defined(PNG_IGNORE_ADLER32)
|
||||
if (((png_ptr->options >> PNG_IGNORE_ADLER32) & 3) == PNG_OPTION_ON)
|
||||
/* Turn off validation of the ADLER32 checksum in IDAT chunks */
|
||||
|
|
|
|||
|
|
@ -675,6 +675,7 @@ png_write_IHDR(png_structrp png_ptr, png_uint_32 width, png_uint_32 height,
|
|||
int interlace_type)
|
||||
{
|
||||
png_byte buf[13]; /* Buffer to store the IHDR info */
|
||||
int is_invalid_depth;
|
||||
|
||||
png_debug(1, "in png_write_IHDR");
|
||||
|
||||
|
|
@ -700,11 +701,11 @@ png_write_IHDR(png_structrp png_ptr, png_uint_32 width, png_uint_32 height,
|
|||
break;
|
||||
|
||||
case PNG_COLOR_TYPE_RGB:
|
||||
is_invalid_depth = (bit_depth != 8);
|
||||
#ifdef PNG_WRITE_16BIT_SUPPORTED
|
||||
if (bit_depth != 8 && bit_depth != 16)
|
||||
#else
|
||||
if (bit_depth != 8)
|
||||
is_invalid_depth = (is_invalid_depth && bit_depth != 16);
|
||||
#endif
|
||||
if (is_invalid_depth)
|
||||
png_error(png_ptr, "Invalid bit depth for RGB image");
|
||||
|
||||
png_ptr->channels = 3;
|
||||
|
|
@ -726,18 +727,22 @@ png_write_IHDR(png_structrp png_ptr, png_uint_32 width, png_uint_32 height,
|
|||
break;
|
||||
|
||||
case PNG_COLOR_TYPE_GRAY_ALPHA:
|
||||
if (bit_depth != 8 && bit_depth != 16)
|
||||
is_invalid_depth = (bit_depth != 8);
|
||||
#ifdef PNG_WRITE_16BIT_SUPPORTED
|
||||
is_invalid_depth = (is_invalid_depth && bit_depth != 16);
|
||||
#endif
|
||||
if (is_invalid_depth)
|
||||
png_error(png_ptr, "Invalid bit depth for grayscale+alpha image");
|
||||
|
||||
png_ptr->channels = 2;
|
||||
break;
|
||||
|
||||
case PNG_COLOR_TYPE_RGB_ALPHA:
|
||||
is_invalid_depth = (bit_depth != 8);
|
||||
#ifdef PNG_WRITE_16BIT_SUPPORTED
|
||||
if (bit_depth != 8 && bit_depth != 16)
|
||||
#else
|
||||
if (bit_depth != 8)
|
||||
is_invalid_depth = (is_invalid_depth && bit_depth != 16);
|
||||
#endif
|
||||
if (is_invalid_depth)
|
||||
png_error(png_ptr, "Invalid bit depth for RGBA image");
|
||||
|
||||
png_ptr->channels = 4;
|
||||
|
|
|
|||
Loading…
Reference in a new issue