diff options
Diffstat (limited to 'thirdparty/libpng')
| -rw-r--r-- | thirdparty/libpng/LICENSE | 4 | ||||
| -rw-r--r-- | thirdparty/libpng/arm/arm_init.c | 28 | ||||
| -rw-r--r-- | thirdparty/libpng/arm/filter_neon_intrinsics.c | 2 | ||||
| -rw-r--r-- | thirdparty/libpng/arm/palette_neon_intrinsics.c | 14 | ||||
| -rw-r--r-- | thirdparty/libpng/png.c | 14 | ||||
| -rw-r--r-- | thirdparty/libpng/png.h | 121 | ||||
| -rw-r--r-- | thirdparty/libpng/pngconf.h | 8 | ||||
| -rw-r--r-- | thirdparty/libpng/pngget.c | 176 | ||||
| -rw-r--r-- | thirdparty/libpng/pnginfo.h | 13 | ||||
| -rw-r--r-- | thirdparty/libpng/pnglibconf.h | 4 | ||||
| -rw-r--r-- | thirdparty/libpng/pngpread.c | 199 | ||||
| -rw-r--r-- | thirdparty/libpng/pngpriv.h | 120 | ||||
| -rw-r--r-- | thirdparty/libpng/pngread.c | 83 | ||||
| -rw-r--r-- | thirdparty/libpng/pngrtran.c | 2 | ||||
| -rw-r--r-- | thirdparty/libpng/pngrutil.c | 326 | ||||
| -rw-r--r-- | thirdparty/libpng/pngset.c | 159 | ||||
| -rw-r--r-- | thirdparty/libpng/pngstruct.h | 33 | ||||
| -rw-r--r-- | thirdparty/libpng/pngwrite.c | 58 | ||||
| -rw-r--r-- | thirdparty/libpng/pngwutil.c | 139 |
19 files changed, 128 insertions, 1375 deletions
diff --git a/thirdparty/libpng/LICENSE b/thirdparty/libpng/LICENSE index e0c5b531cf..c8ad24eecf 100644 --- a/thirdparty/libpng/LICENSE +++ b/thirdparty/libpng/LICENSE @@ -4,8 +4,8 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE PNG Reference Library License version 2 --------------------------------------- - * Copyright (c) 1995-2019 The PNG Reference Library Authors. - * Copyright (c) 2018-2019 Cosmin Truta. + * Copyright (c) 1995-2022 The PNG Reference Library Authors. + * Copyright (c) 2018-2022 Cosmin Truta. * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson. * Copyright (c) 1996-1997 Andreas Dilger. * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. diff --git a/thirdparty/libpng/arm/arm_init.c b/thirdparty/libpng/arm/arm_init.c index a34ecdbef7..ab22525b38 100644 --- a/thirdparty/libpng/arm/arm_init.c +++ b/thirdparty/libpng/arm/arm_init.c @@ -1,7 +1,7 @@ /* arm_init.c - NEON optimised filter functions * - * Copyright (c) 2018 Cosmin Truta + * Copyright (c) 2018-2022 Cosmin Truta * Copyright (c) 2014,2016 Glenn Randers-Pehrson * Written by Mans Rullgard, 2011. * @@ -10,9 +10,7 @@ * and license in png.h */ -/* Below, after checking __linux__, various non-C90 POSIX 1003.1 functions are - * called. - */ +/* This module requires POSIX 1003.1 functions. */ #define _POSIX_SOURCE 1 #include "../pngpriv.h" @@ -33,21 +31,23 @@ * has partial support is contrib/arm-neon/linux.c - a generic Linux * implementation which reads /proc/cpufino. */ +#include <signal.h> /* for sig_atomic_t */ + #ifndef PNG_ARM_NEON_FILE -# ifdef __linux__ -# define PNG_ARM_NEON_FILE "contrib/arm-neon/linux.c" +# if defined(__aarch64__) || defined(_M_ARM64) + /* ARM Neon is expected to be unconditionally available on ARM64. */ +# error "PNG_ARM_NEON_CHECK_SUPPORTED must not be defined on this platform" +# elif defined(__linux__) +# define PNG_ARM_NEON_FILE "contrib/arm-neon/linux.c" +# else +# error "No support for run-time ARM Neon checking; use compile-time options" # endif #endif -#ifdef PNG_ARM_NEON_FILE - -#include <signal.h> /* for sig_atomic_t */ static int png_have_neon(png_structp png_ptr); -#include PNG_ARM_NEON_FILE - -#else /* PNG_ARM_NEON_FILE */ -# error "PNG_ARM_NEON_FILE undefined: no support for run-time ARM NEON checks" -#endif /* PNG_ARM_NEON_FILE */ +#ifdef PNG_ARM_NEON_FILE +# include PNG_ARM_NEON_FILE +#endif #endif /* PNG_ARM_NEON_CHECK_SUPPORTED */ #ifndef PNG_ALIGNED_MEMORY_SUPPORTED diff --git a/thirdparty/libpng/arm/filter_neon_intrinsics.c b/thirdparty/libpng/arm/filter_neon_intrinsics.c index 553c0be21c..4466d48b20 100644 --- a/thirdparty/libpng/arm/filter_neon_intrinsics.c +++ b/thirdparty/libpng/arm/filter_neon_intrinsics.c @@ -18,7 +18,7 @@ /* This code requires -mfpu=neon on the command line: */ #if PNG_ARM_NEON_IMPLEMENTATION == 1 /* intrinsics code from pngpriv.h */ -#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> diff --git a/thirdparty/libpng/arm/palette_neon_intrinsics.c b/thirdparty/libpng/arm/palette_neon_intrinsics.c index b4d1fd2abf..92c7d6f9f6 100644 --- a/thirdparty/libpng/arm/palette_neon_intrinsics.c +++ b/thirdparty/libpng/arm/palette_neon_intrinsics.c @@ -14,7 +14,7 @@ #if PNG_ARM_NEON_IMPLEMENTATION == 1 -#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> @@ -30,8 +30,6 @@ png_riffle_palette_neon(png_structrp png_ptr) int num_trans = png_ptr->num_trans; int i; - png_debug(1, "in png_riffle_palette_neon"); - /* Initially black, opaque. */ uint8x16x4_t w = {{ vdupq_n_u8(0x00), @@ -40,6 +38,8 @@ png_riffle_palette_neon(png_structrp png_ptr) vdupq_n_u8(0xff), }}; + png_debug(1, "in png_riffle_palette_neon"); + /* First, riffle the RGB colours into an RGBA8 palette. * The alpha component is set to opaque for now. */ @@ -65,11 +65,12 @@ png_do_expand_palette_rgba8_neon(png_structrp png_ptr, png_row_infop row_info, png_uint_32 row_width = row_info->width; const png_uint_32 *riffled_palette = (const png_uint_32 *)png_ptr->riffled_palette; - const png_int_32 pixels_per_chunk = 4; - int i; + const png_uint_32 pixels_per_chunk = 4; + png_uint_32 i; png_debug(1, "in png_do_expand_palette_rgba8_neon"); + PNG_UNUSED(row) if (row_width < pixels_per_chunk) return 0; @@ -109,10 +110,11 @@ png_do_expand_palette_rgb8_neon(png_structrp png_ptr, png_row_infop row_info, png_uint_32 row_width = row_info->width; png_const_bytep palette = (png_const_bytep)png_ptr->palette; const png_uint_32 pixels_per_chunk = 8; - int i; + png_uint_32 i; png_debug(1, "in png_do_expand_palette_rgb8_neon"); + PNG_UNUSED(row) if (row_width <= pixels_per_chunk) return 0; diff --git a/thirdparty/libpng/png.c b/thirdparty/libpng/png.c index 757c755f97..fc09564262 100644 --- a/thirdparty/libpng/png.c +++ b/thirdparty/libpng/png.c @@ -1,7 +1,7 @@ /* png.c - location for general purpose libpng functions * - * 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. @@ -14,7 +14,7 @@ #include "pngpriv.h" /* Generate a compiler error if there is an old png.h in the search path. */ -typedef png_libpng_version_1_6_37 Your_png_h_is_not_version_1_6_37; +typedef png_libpng_version_1_6_38 Your_png_h_is_not_version_1_6_38; #ifdef __GNUC__ /* The version tests may need to be added to, but the problem warning has @@ -720,7 +720,7 @@ png_init_io(png_structrp png_ptr, png_FILE_p fp) * * Where UNSIGNED_MAX is the appropriate maximum unsigned value, so when the * negative integral value is added the result will be an unsigned value - * correspnding to the 2's complement representation. + * corresponding to the 2's complement representation. */ void PNGAPI png_save_int_32(png_bytep buf, png_int_32 i) @@ -815,8 +815,8 @@ png_get_copyright(png_const_structrp png_ptr) return PNG_STRING_COPYRIGHT #else return PNG_STRING_NEWLINE \ - "libpng version 1.6.37" PNG_STRING_NEWLINE \ - "Copyright (c) 2018-2019 Cosmin Truta" PNG_STRING_NEWLINE \ + "libpng version 1.6.38" PNG_STRING_NEWLINE \ + "Copyright (c) 2018-2022 Cosmin Truta" PNG_STRING_NEWLINE \ "Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \ PNG_STRING_NEWLINE \ "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \ @@ -1843,12 +1843,12 @@ png_icc_profile_error(png_const_structrp png_ptr, png_colorspacerp colorspace, # ifdef PNG_WARNINGS_SUPPORTED else { - char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114*/ + char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114 */ pos = png_safecat(message, (sizeof message), pos, png_format_number(number, number+(sizeof number), 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 /* The 'reason' is an arbitrary message, allow +79 maximum 195 */ diff --git a/thirdparty/libpng/png.h b/thirdparty/libpng/png.h index b12174ba35..5fb494fb1a 100644 --- a/thirdparty/libpng/png.h +++ b/thirdparty/libpng/png.h @@ -1,9 +1,9 @@ /* png.h - header file for PNG reference library * - * libpng version 1.6.37 - April 14, 2019 + * libpng version 1.6.38 - September 14, 2022 * - * 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. @@ -15,7 +15,7 @@ * 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: * Glenn Randers-Pehrson - * libpng versions 1.6.36, December 2018, through 1.6.37, April 2019: + * libpng versions 1.6.36, December 2018, through 1.6.38, September 2022: * Cosmin Truta * See also "Contributing Authors", below. */ @@ -27,8 +27,8 @@ * PNG Reference Library License version 2 * --------------------------------------- * - * * Copyright (c) 1995-2019 The PNG Reference Library Authors. - * * Copyright (c) 2018-2019 Cosmin Truta. + * * Copyright (c) 1995-2022 The PNG Reference Library Authors. + * * Copyright (c) 2018-2022 Cosmin Truta. * * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson. * * Copyright (c) 1996-1997 Andreas Dilger. * * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. @@ -239,7 +239,7 @@ * ... * 1.5.30 15 10530 15.so.15.30[.0] * ... - * 1.6.37 16 10637 16.so.16.37[.0] + * 1.6.38 16 10638 16.so.16.38[.0] * * Henceforth the source version will match the shared-library major and * minor numbers; the shared-library major version number will be used for @@ -278,8 +278,8 @@ */ /* Version information for png.h - this should match the version in png.c */ -#define PNG_LIBPNG_VER_STRING "1.6.37" -#define PNG_HEADER_VERSION_STRING " libpng version 1.6.37 - April 14, 2019\n" +#define PNG_LIBPNG_VER_STRING "1.6.38" +#define PNG_HEADER_VERSION_STRING " libpng version 1.6.38 - September 14, 2022\n" #define PNG_LIBPNG_VER_SONUM 16 #define PNG_LIBPNG_VER_DLLNUM 16 @@ -287,7 +287,7 @@ /* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */ #define PNG_LIBPNG_VER_MAJOR 1 #define PNG_LIBPNG_VER_MINOR 6 -#define PNG_LIBPNG_VER_RELEASE 37 +#define PNG_LIBPNG_VER_RELEASE 38 /* This should be zero for a public release, or non-zero for a * development version. [Deprecated] @@ -318,7 +318,7 @@ * From version 1.0.1 it is: * XXYYZZ, where XX=major, YY=minor, ZZ=release */ -#define PNG_LIBPNG_VER 10637 /* 1.6.37 */ +#define PNG_LIBPNG_VER 10638 /* 1.6.38 */ /* Library configuration: these options cannot be changed after * the library has been built. @@ -330,10 +330,6 @@ # include "pnglibconf.h" #endif -#define PNG_APNG_SUPPORTED -#define PNG_READ_APNG_SUPPORTED -#define PNG_WRITE_APNG_SUPPORTED - #ifndef PNG_VERSION_INFO_ONLY /* Machine specific configuration. */ # include "pngconf.h" @@ -429,21 +425,10 @@ extern "C" { * See pngconf.h for base types that vary by machine/system */ -#ifdef PNG_APNG_SUPPORTED -/* dispose_op flags from inside fcTL */ -#define PNG_DISPOSE_OP_NONE 0x00U -#define PNG_DISPOSE_OP_BACKGROUND 0x01U -#define PNG_DISPOSE_OP_PREVIOUS 0x02U - -/* blend_op flags from inside fcTL */ -#define PNG_BLEND_OP_SOURCE 0x00U -#define PNG_BLEND_OP_OVER 0x01U -#endif /* PNG_APNG_SUPPORTED */ - /* This triggers a compiler error in png.c, if png.c and png.h * do not agree upon the version number. */ -typedef char* png_libpng_version_1_6_37; +typedef char* png_libpng_version_1_6_38; /* Basic control structions. Read libpng-manual.txt or libpng.3 for more info. * @@ -761,10 +746,6 @@ typedef png_unknown_chunk * * png_unknown_chunkpp; #define PNG_INFO_sCAL 0x4000U /* ESR, 1.0.6 */ #define PNG_INFO_IDAT 0x8000U /* ESR, 1.0.6 */ #define PNG_INFO_eXIf 0x10000U /* GR-P, 1.6.31 */ -#ifdef PNG_APNG_SUPPORTED -#define PNG_INFO_acTL 0x20000U -#define PNG_INFO_fcTL 0x40000U -#endif /* This is used for the transformation routines, as some of them * change these values for the row. It also should enable using @@ -802,10 +783,6 @@ typedef PNG_CALLBACK(void, *png_write_status_ptr, (png_structp, png_uint_32, #ifdef PNG_PROGRESSIVE_READ_SUPPORTED typedef PNG_CALLBACK(void, *png_progressive_info_ptr, (png_structp, png_infop)); typedef PNG_CALLBACK(void, *png_progressive_end_ptr, (png_structp, png_infop)); -#ifdef PNG_APNG_SUPPORTED -typedef PNG_CALLBACK(void, *png_progressive_frame_ptr, (png_structp, - png_uint_32)); -#endif /* The following callback receives png_uint_32 row_number, int pass for the * png_bytep data of the row. When transforming an interlaced image the @@ -1469,7 +1446,7 @@ PNG_EXPORT(66, void, png_set_crc_action, (png_structrp png_ptr, int crit_action, * mainly useful for testing, as the defaults should work with most users. * Those users who are tight on memory or want faster performance at the * expense of compression can modify them. See the compression library - * header file (zlib.h) for an explination of the compression functions. + * header file (zlib.h) for an explanation of the compression functions. */ /* Set the filtering method(s) used by libpng. Currently, the only valid @@ -1524,7 +1501,7 @@ PNG_FIXED_EXPORT(209, void, png_set_filter_heuristics_fixed, * 0 - 9, corresponding directly to the zlib compression levels 0 - 9 * (0 - no compression, 9 - "maximal" compression). Note that tests have * shown that zlib compression levels 3-6 usually perform as well as level 9 - * for PNG images, and do considerably fewer caclulations. In the future, + * for PNG images, and do considerably fewer calculations. In the future, * these values may not correspond directly to the zlib compression levels. */ #ifdef PNG_WRITE_CUSTOMIZE_COMPRESSION_SUPPORTED @@ -3249,74 +3226,6 @@ PNG_EXPORT(244, int, png_set_option, (png_structrp png_ptr, int option, /******************************************************************************* * END OF HARDWARE AND SOFTWARE OPTIONS ******************************************************************************/ -#ifdef PNG_APNG_SUPPORTED -PNG_EXPORT(250, png_uint_32, png_get_acTL, (png_structp png_ptr, - png_infop info_ptr, png_uint_32 *num_frames, png_uint_32 *num_plays)); - -PNG_EXPORT(251, png_uint_32, png_set_acTL, (png_structp png_ptr, - png_infop info_ptr, png_uint_32 num_frames, png_uint_32 num_plays)); - -PNG_EXPORT(252, png_uint_32, png_get_num_frames, (png_structp png_ptr, - png_infop info_ptr)); - -PNG_EXPORT(253, png_uint_32, png_get_num_plays, (png_structp png_ptr, - png_infop info_ptr)); - -PNG_EXPORT(254, png_uint_32, png_get_next_frame_fcTL, - (png_structp png_ptr, png_infop info_ptr, png_uint_32 *width, - png_uint_32 *height, png_uint_32 *x_offset, png_uint_32 *y_offset, - png_uint_16 *delay_num, png_uint_16 *delay_den, png_byte *dispose_op, - png_byte *blend_op)); - -PNG_EXPORT(255, png_uint_32, png_set_next_frame_fcTL, - (png_structp png_ptr, png_infop info_ptr, png_uint_32 width, - png_uint_32 height, png_uint_32 x_offset, png_uint_32 y_offset, - png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op, - png_byte blend_op)); - -PNG_EXPORT(256, png_uint_32, png_get_next_frame_width, - (png_structp png_ptr, png_infop info_ptr)); -PNG_EXPORT(257, png_uint_32, png_get_next_frame_height, - (png_structp png_ptr, png_infop info_ptr)); -PNG_EXPORT(258, png_uint_32, png_get_next_frame_x_offset, - (png_structp png_ptr, png_infop info_ptr)); -PNG_EXPORT(259, png_uint_32, png_get_next_frame_y_offset, - (png_structp png_ptr, png_infop info_ptr)); -PNG_EXPORT(260, png_uint_16, png_get_next_frame_delay_num, - (png_structp png_ptr, png_infop info_ptr)); -PNG_EXPORT(261, png_uint_16, png_get_next_frame_delay_den, - (png_structp png_ptr, png_infop info_ptr)); -PNG_EXPORT(262, png_byte, png_get_next_frame_dispose_op, - (png_structp png_ptr, png_infop info_ptr)); -PNG_EXPORT(263, png_byte, png_get_next_frame_blend_op, - (png_structp png_ptr, png_infop info_ptr)); -PNG_EXPORT(264, png_byte, png_get_first_frame_is_hidden, - (png_structp png_ptr, png_infop info_ptr)); -PNG_EXPORT(265, png_uint_32, png_set_first_frame_is_hidden, - (png_structp png_ptr, png_infop info_ptr, png_byte is_hidden)); - -#ifdef PNG_READ_APNG_SUPPORTED -PNG_EXPORT(266, void, png_read_frame_head, (png_structp png_ptr, - png_infop info_ptr)); -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -PNG_EXPORT(267, void, png_set_progressive_frame_fn, (png_structp png_ptr, - png_progressive_frame_ptr frame_info_fn, - png_progressive_frame_ptr frame_end_fn)); -#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ -#endif /* PNG_READ_APNG_SUPPORTED */ - -#ifdef PNG_WRITE_APNG_SUPPORTED -PNG_EXPORT(268, void, png_write_frame_head, (png_structp png_ptr, - png_infop info_ptr, png_bytepp row_pointers, - png_uint_32 width, png_uint_32 height, - png_uint_32 x_offset, png_uint_32 y_offset, - png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op, - png_byte blend_op)); - -PNG_EXPORT(269, void, png_write_frame_tail, (png_structp png_ptr, - png_infop info_ptr)); -#endif /* PNG_WRITE_APNG_SUPPORTED */ -#endif /* PNG_APNG_SUPPORTED */ /* Maintainer: Put new public prototypes here ^, in libpng.3, in project * defs, and in scripts/symbols.def. @@ -3326,11 +3235,7 @@ PNG_EXPORT(269, void, png_write_frame_tail, (png_structp png_ptr, * one to use is one more than this.) */ #ifdef PNG_EXPORT_LAST_ORDINAL -#ifdef PNG_APNG_SUPPORTED - PNG_EXPORT_LAST_ORDINAL(269); -#else PNG_EXPORT_LAST_ORDINAL(249); -#endif /* PNG_APNG_SUPPORTED */ #endif #ifdef __cplusplus diff --git a/thirdparty/libpng/pngconf.h b/thirdparty/libpng/pngconf.h index 927a769dbe..89d28f83a0 100644 --- a/thirdparty/libpng/pngconf.h +++ b/thirdparty/libpng/pngconf.h @@ -1,9 +1,9 @@ /* pngconf.h - machine-configurable file for libpng * - * libpng version 1.6.37 + * libpng version 1.6.38 * - * Copyright (c) 2018-2019 Cosmin Truta + * Copyright (c) 2018-2022 Cosmin Truta * Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson * Copyright (c) 1996-1997 Andreas Dilger * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. @@ -180,8 +180,8 @@ * compiler-specific macros to the values required to change the calling * conventions of the various functions. */ -#if defined(_Windows) || defined(_WINDOWS) || defined(WIN32) ||\ - defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__) +#if defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || \ + defined(__CYGWIN__) /* Windows system (DOS doesn't support DLLs). Includes builds under Cygwin or * MinGW on any architecture currently supported by Windows. Also includes * Watcom builds but these need special treatment because they are not diff --git a/thirdparty/libpng/pngget.c b/thirdparty/libpng/pngget.c index 9ed101aedc..e44933c0d2 100644 --- a/thirdparty/libpng/pngget.c +++ b/thirdparty/libpng/pngget.c @@ -1151,7 +1151,7 @@ png_get_unknown_chunks(png_const_structrp png_ptr, png_inforp info_ptr, #ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED png_byte PNGAPI -png_get_rgb_to_gray_status (png_const_structrp png_ptr) +png_get_rgb_to_gray_status(png_const_structrp png_ptr) { return (png_byte)(png_ptr ? png_ptr->rgb_to_gray_status : 0); } @@ -1192,27 +1192,27 @@ png_get_compression_buffer_size(png_const_structrp png_ptr) /* These functions were added to libpng 1.2.6 and were enabled * by default in libpng-1.4.0 */ png_uint_32 PNGAPI -png_get_user_width_max (png_const_structrp png_ptr) +png_get_user_width_max(png_const_structrp png_ptr) { return (png_ptr ? png_ptr->user_width_max : 0); } png_uint_32 PNGAPI -png_get_user_height_max (png_const_structrp png_ptr) +png_get_user_height_max(png_const_structrp png_ptr) { return (png_ptr ? png_ptr->user_height_max : 0); } /* This function was added to libpng 1.4.0 */ png_uint_32 PNGAPI -png_get_chunk_cache_max (png_const_structrp png_ptr) +png_get_chunk_cache_max(png_const_structrp png_ptr) { return (png_ptr ? png_ptr->user_chunk_cache_max : 0); } /* This function was added to libpng 1.4.1 */ png_alloc_size_t PNGAPI -png_get_chunk_malloc_max (png_const_structrp png_ptr) +png_get_chunk_malloc_max(png_const_structrp png_ptr) { return (png_ptr ? png_ptr->user_chunk_malloc_max : 0); } @@ -1221,13 +1221,13 @@ png_get_chunk_malloc_max (png_const_structrp png_ptr) /* These functions were added to libpng 1.4.0 */ #ifdef PNG_IO_STATE_SUPPORTED png_uint_32 PNGAPI -png_get_io_state (png_const_structrp png_ptr) +png_get_io_state(png_const_structrp png_ptr) { 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; } @@ -1246,166 +1246,4 @@ png_get_palette_max(png_const_structp png_ptr, png_const_infop info_ptr) # endif #endif -#ifdef PNG_APNG_SUPPORTED -png_uint_32 PNGAPI -png_get_acTL(png_structp png_ptr, png_infop info_ptr, - png_uint_32 *num_frames, png_uint_32 *num_plays) -{ - png_debug1(1, "in %s retrieval function", "acTL"); - - if (png_ptr != NULL && info_ptr != NULL && - (info_ptr->valid & PNG_INFO_acTL) && - num_frames != NULL && num_plays != NULL) - { - *num_frames = info_ptr->num_frames; - *num_plays = info_ptr->num_plays; - return (1); - } - - return (0); -} - -png_uint_32 PNGAPI -png_get_num_frames(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_get_num_frames()"); - - if (png_ptr != NULL && info_ptr != NULL) - return (info_ptr->num_frames); - return (0); -} - -png_uint_32 PNGAPI -png_get_num_plays(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_get_num_plays()"); - - if (png_ptr != NULL && info_ptr != NULL) - return (info_ptr->num_plays); - return (0); -} - -png_uint_32 PNGAPI -png_get_next_frame_fcTL(png_structp png_ptr, png_infop info_ptr, - png_uint_32 *width, png_uint_32 *height, - png_uint_32 *x_offset, png_uint_32 *y_offset, - png_uint_16 *delay_num, png_uint_16 *delay_den, - png_byte *dispose_op, png_byte *blend_op) -{ - png_debug1(1, "in %s retrieval function", "fcTL"); - - if (png_ptr != NULL && info_ptr != NULL && - (info_ptr->valid & PNG_INFO_fcTL) && - width != NULL && height != NULL && - x_offset != NULL && y_offset != NULL && - delay_num != NULL && delay_den != NULL && - dispose_op != NULL && blend_op != NULL) - { - *width = info_ptr->next_frame_width; - *height = info_ptr->next_frame_height; - *x_offset = info_ptr->next_frame_x_offset; - *y_offset = info_ptr->next_frame_y_offset; - *delay_num = info_ptr->next_frame_delay_num; - *delay_den = info_ptr->next_frame_delay_den; - *dispose_op = info_ptr->next_frame_dispose_op; - *blend_op = info_ptr->next_frame_blend_op; - return (1); - } - - return (0); -} - -png_uint_32 PNGAPI -png_get_next_frame_width(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_get_next_frame_width()"); - - if (png_ptr != NULL && info_ptr != NULL) - return (info_ptr->next_frame_width); - return (0); -} - -png_uint_32 PNGAPI -png_get_next_frame_height(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_get_next_frame_height()"); - - if (png_ptr != NULL && info_ptr != NULL) - return (info_ptr->next_frame_height); - return (0); -} - -png_uint_32 PNGAPI -png_get_next_frame_x_offset(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_get_next_frame_x_offset()"); - - if (png_ptr != NULL && info_ptr != NULL) - return (info_ptr->next_frame_x_offset); - return (0); -} - -png_uint_32 PNGAPI -png_get_next_frame_y_offset(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_get_next_frame_y_offset()"); - - if (png_ptr != NULL && info_ptr != NULL) - return (info_ptr->next_frame_y_offset); - return (0); -} - -png_uint_16 PNGAPI -png_get_next_frame_delay_num(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_get_next_frame_delay_num()"); - - if (png_ptr != NULL && info_ptr != NULL) - return (info_ptr->next_frame_delay_num); - return (0); -} - -png_uint_16 PNGAPI -png_get_next_frame_delay_den(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_get_next_frame_delay_den()"); - - if (png_ptr != NULL && info_ptr != NULL) - return (info_ptr->next_frame_delay_den); - return (0); -} - -png_byte PNGAPI -png_get_next_frame_dispose_op(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_get_next_frame_dispose_op()"); - - if (png_ptr != NULL && info_ptr != NULL) - return (info_ptr->next_frame_dispose_op); - return (0); -} - -png_byte PNGAPI -png_get_next_frame_blend_op(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_get_next_frame_blend_op()"); - - if (png_ptr != NULL && info_ptr != NULL) - return (info_ptr->next_frame_blend_op); - return (0); -} - -png_byte PNGAPI -png_get_first_frame_is_hidden(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_first_frame_is_hidden()"); - - if (png_ptr != NULL) - return (png_byte)(png_ptr->apng_flags & PNG_FIRST_FRAME_HIDDEN); - - PNG_UNUSED(info_ptr) - - return 0; -} -#endif /* PNG_APNG_SUPPORTED */ #endif /* READ || WRITE */ diff --git a/thirdparty/libpng/pnginfo.h b/thirdparty/libpng/pnginfo.h index ac7b269132..1f98dedc42 100644 --- a/thirdparty/libpng/pnginfo.h +++ b/thirdparty/libpng/pnginfo.h @@ -263,18 +263,5 @@ defined(PNG_READ_BACKGROUND_SUPPORTED) png_bytepp row_pointers; /* the image bits */ #endif -#ifdef PNG_APNG_SUPPORTED - png_uint_32 num_frames; /* including default image */ - png_uint_32 num_plays; - png_uint_32 next_frame_width; - png_uint_32 next_frame_height; - png_uint_32 next_frame_x_offset; - png_uint_32 next_frame_y_offset; - png_uint_16 next_frame_delay_num; - png_uint_16 next_frame_delay_den; - png_byte next_frame_dispose_op; - png_byte next_frame_blend_op; -#endif - }; #endif /* PNGINFO_H */ diff --git a/thirdparty/libpng/pnglibconf.h b/thirdparty/libpng/pnglibconf.h index e1e27e957e..89d5b4c8ad 100644 --- a/thirdparty/libpng/pnglibconf.h +++ b/thirdparty/libpng/pnglibconf.h @@ -1,8 +1,8 @@ /* pnglibconf.h - library build configuration */ -/* libpng version 1.6.37 */ +/* libpng version 1.6.38 */ -/* 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. */ diff --git a/thirdparty/libpng/pngpread.c b/thirdparty/libpng/pngpread.c index 2eaeca08f7..e283627b77 100644 --- a/thirdparty/libpng/pngpread.c +++ b/thirdparty/libpng/pngpread.c @@ -195,106 +195,6 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr) chunk_name = png_ptr->chunk_name; -#ifdef PNG_READ_APNG_SUPPORTED - if (png_ptr->num_frames_read > 0 && - png_ptr->num_frames_read < info_ptr->num_frames) - { - if (chunk_name == png_IDAT) - { - /* Discard trailing IDATs for the first frame */ - if (png_ptr->mode & PNG_HAVE_fcTL || png_ptr->num_frames_read > 1) - png_error(png_ptr, "out of place IDAT"); - - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - - png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; - return; - } - else if (chunk_name == png_fdAT) - { - if (png_ptr->buffer_size < 4) - { - png_push_save_buffer(png_ptr); - return; - } - - png_ensure_sequence_number(png_ptr, 4); - - if (!(png_ptr->mode & PNG_HAVE_fcTL)) - { - /* Discard trailing fdATs for frames other than the first */ - if (png_ptr->num_frames_read < 2) - png_error(png_ptr, "out of place fdAT"); - - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - - png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; - return; - } - - else - { - /* frame data follows */ - png_ptr->idat_size = png_ptr->push_length - 4; - png_ptr->mode |= PNG_HAVE_IDAT; - png_ptr->process_mode = PNG_READ_IDAT_MODE; - - return; - } - } - - else if (chunk_name == png_fcTL) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - - png_read_reset(png_ptr); - png_ptr->mode &= ~PNG_HAVE_fcTL; - - png_handle_fcTL(png_ptr, info_ptr, png_ptr->push_length); - - if (!(png_ptr->mode & PNG_HAVE_fcTL)) - png_error(png_ptr, "missing required fcTL chunk"); - - png_read_reinit(png_ptr, info_ptr); - png_progressive_read_reset(png_ptr); - - if (png_ptr->frame_info_fn != NULL) - (*(png_ptr->frame_info_fn))(png_ptr, png_ptr->num_frames_read); - - png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; - - return; - } - - else - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_warning(png_ptr, "Skipped (ignored) a chunk " - "between APNG chunks"); - png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; - return; - } - - return; - } -#endif /* PNG_READ_APNG_SUPPORTED */ - if (chunk_name == png_IDAT) { if ((png_ptr->mode & PNG_AFTER_IDAT) != 0) @@ -361,9 +261,6 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr) else if (chunk_name == png_IDAT) { -#ifdef PNG_READ_APNG_SUPPORTED - png_have_info(png_ptr, info_ptr); -#endif png_ptr->idat_size = png_ptr->push_length; png_ptr->process_mode = PNG_READ_IDAT_MODE; png_push_have_info(png_ptr, info_ptr); @@ -509,30 +406,6 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr) png_handle_iTXt(png_ptr, info_ptr, png_ptr->push_length); } #endif -#ifdef PNG_READ_APNG_SUPPORTED - else if (chunk_name == png_acTL) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - - png_handle_acTL(png_ptr, info_ptr, png_ptr->push_length); - } - - else if (chunk_name == png_fcTL) - { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - - png_handle_fcTL(png_ptr, info_ptr, png_ptr->push_length); - } - -#endif /* PNG_READ_APNG_SUPPORTED */ else { @@ -666,11 +539,7 @@ png_push_read_IDAT(png_structrp png_ptr) png_byte chunk_tag[4]; /* TODO: this code can be commoned up with the same code in push_read */ -#ifdef PNG_READ_APNG_SUPPORTED - PNG_PUSH_SAVE_BUFFER_IF_LT(12) -#else PNG_PUSH_SAVE_BUFFER_IF_LT(8) -#endif png_push_fill_buffer(png_ptr, chunk_length, 4); png_ptr->push_length = png_get_uint_31(png_ptr, chunk_length); png_reset_crc(png_ptr); @@ -678,64 +547,17 @@ png_push_read_IDAT(png_structrp png_ptr) png_ptr->chunk_name = PNG_CHUNK_FROM_STRING(chunk_tag); png_ptr->mode |= PNG_HAVE_CHUNK_HEADER; -#ifdef PNG_READ_APNG_SUPPORTED - if (png_ptr->chunk_name != png_fdAT && png_ptr->num_frames_read > 0) - { - if (png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED) - { - png_ptr->process_mode = PNG_READ_CHUNK_MODE; - if (png_ptr->frame_end_fn != NULL) - (*(png_ptr->frame_end_fn))(png_ptr, png_ptr->num_frames_read); - png_ptr->num_frames_read++; - return; - } - else - { - if (png_ptr->chunk_name == png_IEND) - png_error(png_ptr, "Not enough image data"); - if (png_ptr->push_length + 4 > png_ptr->buffer_size) - { - png_push_save_buffer(png_ptr); - return; - } - png_warning(png_ptr, "Skipping (ignoring) a chunk between " - "APNG chunks"); - png_crc_finish(png_ptr, png_ptr->push_length); - png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; - return; - } - } - else -#endif -#ifdef PNG_READ_APNG_SUPPORTED - if (png_ptr->chunk_name != png_IDAT && png_ptr->num_frames_read == 0) -#else if (png_ptr->chunk_name != png_IDAT) -#endif { png_ptr->process_mode = PNG_READ_CHUNK_MODE; if ((png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED) == 0) png_error(png_ptr, "Not enough compressed data"); -#ifdef PNG_READ_APNG_SUPPORTED - if (png_ptr->frame_end_fn != NULL) - (*(png_ptr->frame_end_fn))(png_ptr, png_ptr->num_frames_read); - png_ptr->num_frames_read++; -#endif - return; } png_ptr->idat_size = png_ptr->push_length; - -#ifdef PNG_READ_APNG_SUPPORTED - if (png_ptr->num_frames_read > 0) - { - png_ensure_sequence_number(png_ptr, 4); - png_ptr->idat_size -= 4; - } -#endif } if (png_ptr->idat_size != 0 && png_ptr->save_buffer_size != 0) @@ -809,15 +631,6 @@ png_process_IDAT_data(png_structrp png_ptr, png_bytep buffer, if (!(buffer_length > 0) || buffer == NULL) png_error(png_ptr, "No IDAT data (internal error)"); -#ifdef PNG_READ_APNG_SUPPORTED - /* If the app is not APNG-aware, decode only the first frame */ - if (!(png_ptr->apng_flags & PNG_APNG_APP) && png_ptr->num_frames_read > 0) - { - png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED; - return; - } -#endif - /* This routine must process all the data it has been given * before returning, calling the row callback as required to * handle the uncompressed results. @@ -1272,18 +1085,6 @@ png_set_progressive_read_fn(png_structrp png_ptr, png_voidp progressive_ptr, png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer); } -#ifdef PNG_READ_APNG_SUPPORTED -void PNGAPI -png_set_progressive_frame_fn(png_structp png_ptr, - png_progressive_frame_ptr frame_info_fn, - png_progressive_frame_ptr frame_end_fn) -{ - png_ptr->frame_info_fn = frame_info_fn; - png_ptr->frame_end_fn = frame_end_fn; - png_ptr->apng_flags |= PNG_APNG_APP; -} -#endif - png_voidp PNGAPI png_get_progressive_ptr(png_const_structrp png_ptr) { diff --git a/thirdparty/libpng/pngpriv.h b/thirdparty/libpng/pngpriv.h index 57e1bf989b..2e426cf47d 100644 --- a/thirdparty/libpng/pngpriv.h +++ b/thirdparty/libpng/pngpriv.h @@ -1,7 +1,7 @@ /* pngpriv.h - private declarations for use inside libpng * - * 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. @@ -174,7 +174,7 @@ # else /* !defined __ARM_NEON__ */ /* The 'intrinsics' code simply won't compile without this -mfpu=neon: */ -# if !defined(__aarch64__) +# if !defined(__aarch64__) && !defined(_M_ARM64) /* The assembler code currently does not work on ARM64 */ # define PNG_ARM_NEON_IMPLEMENTATION 2 # endif /* __aarch64__ */ @@ -185,6 +185,8 @@ /* Use the intrinsics code by default. */ # define PNG_ARM_NEON_IMPLEMENTATION 1 # endif +#else /* PNG_ARM_NEON_OPT == 0 */ +# define PNG_ARM_NEON_IMPLEMENTATION 0 #endif /* PNG_ARM_NEON_OPT > 0 */ #ifndef PNG_MIPS_MSA_OPT @@ -263,11 +265,15 @@ # ifndef PNG_MIPS_MSA_IMPLEMENTATION # define PNG_MIPS_MSA_IMPLEMENTATION 1 # endif +#else +# define PNG_MIPS_MSA_IMPLEMENTATION 0 #endif /* PNG_MIPS_MSA_OPT > 0 */ #if PNG_POWERPC_VSX_OPT > 0 # define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_vsx # define PNG_POWERPC_VSX_IMPLEMENTATION 1 +#else +# define PNG_POWERPC_VSX_IMPLEMENTATION 0 #endif @@ -492,16 +498,7 @@ static_cast<type>(static_cast<const void*>(value)) #else # define png_voidcast(type, value) (value) -# ifdef _WIN64 -# ifdef __GNUC__ - typedef unsigned long long png_ptruint; -# else - typedef unsigned __int64 png_ptruint; -# endif -# else - typedef unsigned long png_ptruint; -# endif -# define png_constcast(type, value) ((type)(png_ptruint)(const void*)(value)) +# define png_constcast(type, value) ((type)(void*)(const void*)(value)) # define png_aligncast(type, value) ((void*)(value)) # define png_aligncastconst(type, value) ((const void*)(value)) #endif /* __cplusplus */ @@ -543,9 +540,8 @@ # include <alloc.h> #endif -#if defined(WIN32) || defined(_Windows) || defined(_WINDOWS) || \ - defined(_WIN32) || defined(__WIN32__) -# include <windows.h> /* defines _WINDOWS_ macro */ +#if defined(_WIN32) || defined(__WIN32__) || defined(__NT__) +# include <windows.h> #endif #endif /* PNG_VERSION_INFO_ONLY */ @@ -554,24 +550,20 @@ * functions that are passed far data must be model-independent. */ -/* Memory model/platform independent fns */ +/* Platform-independent functions */ #ifndef PNG_ABORT -# ifdef _WINDOWS_ -# define PNG_ABORT() ExitProcess(0) -# else -# define PNG_ABORT() abort() -# endif +# define PNG_ABORT() abort() #endif /* These macros may need to be architecture dependent. */ -#define PNG_ALIGN_NONE 0 /* do not use data alignment */ -#define PNG_ALIGN_ALWAYS 1 /* assume unaligned accesses are OK */ +#define PNG_ALIGN_NONE 0 /* do not use data alignment */ +#define PNG_ALIGN_ALWAYS 1 /* assume unaligned accesses are OK */ #ifdef offsetof -# define PNG_ALIGN_OFFSET 2 /* use offsetof to determine alignment */ +# define PNG_ALIGN_OFFSET 2 /* use offsetof to determine alignment */ #else # define PNG_ALIGN_OFFSET -1 /* prevent the use of this */ #endif -#define PNG_ALIGN_SIZE 3 /* use sizeof to determine alignment */ +#define PNG_ALIGN_SIZE 3 /* use sizeof to determine alignment */ #ifndef PNG_ALIGN_TYPE /* Default to using aligned access optimizations and requiring alignment to a @@ -585,26 +577,25 @@ /* This is used because in some compiler implementations non-aligned * structure members are supported, so the offsetof approach below fails. * Set PNG_ALIGN_SIZE=0 for compiler combinations where unaligned access - * is good for performance. Do not do this unless you have tested the result - * and understand it. + * is good for performance. Do not do this unless you have tested the + * result and understand it. */ -# define png_alignof(type) (sizeof (type)) +# define png_alignof(type) (sizeof(type)) #else # if PNG_ALIGN_TYPE == PNG_ALIGN_OFFSET -# define png_alignof(type) offsetof(struct{char c; type t;}, t) +# define png_alignof(type) offsetof(struct{char c; type t;}, t) # else -# if PNG_ALIGN_TYPE == PNG_ALIGN_ALWAYS -# define png_alignof(type) (1) -# endif - /* Else leave png_alignof undefined to prevent use thereof */ +# if PNG_ALIGN_TYPE == PNG_ALIGN_ALWAYS +# define png_alignof(type) 1 +# endif + /* Else leave png_alignof undefined to prevent use thereof */ # endif #endif -/* This implicitly assumes alignment is always to a power of 2. */ +/* This implicitly assumes alignment is always a multiple of 2. */ #ifdef png_alignof -# define png_isaligned(ptr, type)\ - (((type)((const char*)ptr-(const char*)0) & \ - (type)(png_alignof(type)-1)) == 0) +# define png_isaligned(ptr, type) \ + (((type)(size_t)((const void*)(ptr)) & (type)(png_alignof(type)-1)) == 0) #else # define png_isaligned(ptr, type) 0 #endif @@ -637,10 +628,6 @@ #define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000U /* Have another chunk after IDAT */ /* 0x4000U (unused) */ #define PNG_IS_READ_STRUCT 0x8000U /* Else is a write struct */ -#ifdef PNG_APNG_SUPPORTED -#define PNG_HAVE_acTL 0x10000U -#define PNG_HAVE_fcTL 0x20000U -#endif /* Flags for the transformations the PNG library does on the image data */ #define PNG_BGR 0x0001U @@ -877,16 +864,6 @@ #define png_tRNS PNG_U32(116, 82, 78, 83) #define png_zTXt PNG_U32(122, 84, 88, 116) -#ifdef PNG_APNG_SUPPORTED -#define png_acTL PNG_U32( 97, 99, 84, 76) -#define png_fcTL PNG_U32(102, 99, 84, 76) -#define png_fdAT PNG_U32(102, 100, 65, 84) - -/* For png_struct.apng_flags: */ -#define PNG_FIRST_FRAME_HIDDEN 0x0001U -#define PNG_APNG_APP 0x0002U -#endif - /* The following will work on (signed char*) strings, whereas the get_uint_32 * macro will fail on top-bit-set values because of the sign extension. */ @@ -1658,47 +1635,6 @@ PNG_INTERNAL_FUNCTION(void,png_colorspace_sync,(png_const_structrp png_ptr, */ #endif -#ifdef PNG_APNG_SUPPORTED -PNG_INTERNAL_FUNCTION(void,png_ensure_fcTL_is_valid,(png_structp png_ptr, - png_uint_32 width, png_uint_32 height, - png_uint_32 x_offset, png_uint_32 y_offset, - png_uint_16 delay_num, png_uint_16 delay_den, - png_byte dispose_op, png_byte blend_op), PNG_EMPTY); - -#ifdef PNG_READ_APNG_SUPPORTED -PNG_INTERNAL_FUNCTION(void,png_handle_acTL,(png_structp png_ptr, png_infop info_ptr, - png_uint_32 length),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_handle_fcTL,(png_structp png_ptr, png_infop info_ptr, - png_uint_32 length),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_handle_fdAT,(png_structp png_ptr, png_infop info_ptr, - png_uint_32 length),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_have_info,(png_structp png_ptr, png_infop info_ptr),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_ensure_sequence_number,(png_structp png_ptr, - png_uint_32 length),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_read_reset,(png_structp png_ptr),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_read_reinit,(png_structp png_ptr, - png_infop info_ptr),PNG_EMPTY); -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -PNG_INTERNAL_FUNCTION(void,png_progressive_read_reset,(png_structp png_ptr),PNG_EMPTY); -#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ -#endif /* PNG_READ_APNG_SUPPORTED */ - -#ifdef PNG_WRITE_APNG_SUPPORTED -PNG_INTERNAL_FUNCTION(void,png_write_acTL,(png_structp png_ptr, - png_uint_32 num_frames, png_uint_32 num_plays),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_write_fcTL,(png_structp png_ptr, - png_uint_32 width, png_uint_32 height, - png_uint_32 x_offset, png_uint_32 y_offset, - png_uint_16 delay_num, png_uint_16 delay_den, - png_byte dispose_op, png_byte blend_op),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_write_fdAT,(png_structp png_ptr, - png_const_bytep data, png_size_t length),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_write_reset,(png_structp png_ptr),PNG_EMPTY); -PNG_INTERNAL_FUNCTION(void,png_write_reinit,(png_structp png_ptr, - png_infop info_ptr, png_uint_32 width, png_uint_32 height),PNG_EMPTY); -#endif /* PNG_WRITE_APNG_SUPPORTED */ -#endif /* PNG_APNG_SUPPORTED */ - /* Added at libpng version 1.4.0 */ #ifdef PNG_COLORSPACE_SUPPORTED /* These internal functions are for maintaining the colorspace structure within diff --git a/thirdparty/libpng/pngread.c b/thirdparty/libpng/pngread.c index fa44d5a8e4..5ab9224038 100644 --- a/thirdparty/libpng/pngread.c +++ b/thirdparty/libpng/pngread.c @@ -161,9 +161,6 @@ png_read_info(png_structrp png_ptr, png_inforp info_ptr) else if (chunk_name == png_IDAT) { -#ifdef PNG_READ_APNG_SUPPORTED - png_have_info(png_ptr, info_ptr); -#endif png_ptr->idat_size = length; break; } @@ -258,17 +255,6 @@ png_read_info(png_structrp png_ptr, png_inforp info_ptr) png_handle_iTXt(png_ptr, info_ptr, length); #endif -#ifdef PNG_READ_APNG_SUPPORTED - else if (chunk_name == png_acTL) - png_handle_acTL(png_ptr, info_ptr, length); - - else if (chunk_name == png_fcTL) - png_handle_fcTL(png_ptr, info_ptr, length); - - else if (chunk_name == png_fdAT) - png_handle_fdAT(png_ptr, info_ptr, length); -#endif - else png_handle_unknown(png_ptr, info_ptr, length, PNG_HANDLE_CHUNK_AS_DEFAULT); @@ -276,72 +262,6 @@ png_read_info(png_structrp png_ptr, png_inforp info_ptr) } #endif /* SEQUENTIAL_READ */ -#ifdef PNG_READ_APNG_SUPPORTED -void PNGAPI -png_read_frame_head(png_structp png_ptr, png_infop info_ptr) -{ - png_byte have_chunk_after_DAT; /* after IDAT or after fdAT */ - - png_debug(0, "Reading frame head"); - - if (!(png_ptr->mode & PNG_HAVE_acTL)) - png_error(png_ptr, "attempt to png_read_frame_head() but " - "no acTL present"); - - /* do nothing for the main IDAT */ - if (png_ptr->num_frames_read == 0) - return; - - png_read_reset(png_ptr); - png_ptr->flags &= ~PNG_FLAG_ROW_INIT; - png_ptr->mode &= ~PNG_HAVE_fcTL; - - have_chunk_after_DAT = 0; - for (;;) - { - png_uint_32 length = png_read_chunk_header(png_ptr); - - if (png_ptr->chunk_name == png_IDAT) - { - /* discard trailing IDATs for the first frame */ - if (have_chunk_after_DAT || png_ptr->num_frames_read > 1) - png_error(png_ptr, "png_read_frame_head(): out of place IDAT"); - png_crc_finish(png_ptr, length); - } - - else if (png_ptr->chunk_name == png_fcTL) - { - png_handle_fcTL(png_ptr, info_ptr, length); - have_chunk_after_DAT = 1; - } - - else if (png_ptr->chunk_name == png_fdAT) - { - png_ensure_sequence_number(png_ptr, length); - - /* discard trailing fdATs for frames other than the first */ - if (!have_chunk_after_DAT && png_ptr->num_frames_read > 1) - png_crc_finish(png_ptr, length - 4); - else if(png_ptr->mode & PNG_HAVE_fcTL) - { - png_ptr->idat_size = length - 4; - png_ptr->mode |= PNG_HAVE_IDAT; - - break; - } - else - png_error(png_ptr, "png_read_frame_head(): out of place fdAT"); - } - else - { - png_warning(png_ptr, "Skipped (ignored) a chunk " - "between APNG chunks"); - png_crc_finish(png_ptr, length); - } - } -} -#endif /* PNG_READ_APNG_SUPPORTED */ - /* Optional call to update the users info_ptr structure */ void PNGAPI png_read_update_info(png_structrp png_ptr, png_inforp info_ptr) @@ -3532,7 +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; @@ -3637,8 +3556,6 @@ png_image_read_background(png_voidp argument) inrow += 2; /* gray and alpha channel */ } - - row += display->row_bytes; } } } diff --git a/thirdparty/libpng/pngrtran.c b/thirdparty/libpng/pngrtran.c index 9a8fad9f4a..238f5afe7e 100644 --- a/thirdparty/libpng/pngrtran.c +++ b/thirdparty/libpng/pngrtran.c @@ -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> diff --git a/thirdparty/libpng/pngrutil.c b/thirdparty/libpng/pngrutil.c index ae66a48a83..ca060dd15f 100644 --- a/thirdparty/libpng/pngrutil.c +++ b/thirdparty/libpng/pngrutil.c @@ -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. @@ -302,7 +302,6 @@ 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); buffer = NULL; @@ -865,11 +864,6 @@ png_handle_IHDR(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length) filter_type = buf[11]; interlace_type = buf[12]; -#ifdef PNG_READ_APNG_SUPPORTED - png_ptr->first_frame_width = width; - png_ptr->first_frame_height = height; -#endif - /* Set internal variables */ png_ptr->width = width; png_ptr->height = height; @@ -2081,21 +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; @@ -2131,8 +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"); @@ -2862,179 +2858,6 @@ png_handle_iTXt(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length) } #endif -#ifdef PNG_READ_APNG_SUPPORTED -void /* PRIVATE */ -png_handle_acTL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_byte data[8]; - png_uint_32 num_frames; - png_uint_32 num_plays; - png_uint_32 didSet; - - png_debug(1, "in png_handle_acTL"); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - { - png_error(png_ptr, "Missing IHDR before acTL"); - } - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - png_warning(png_ptr, "Invalid acTL after IDAT skipped"); - png_crc_finish(png_ptr, length); - return; - } - else if (png_ptr->mode & PNG_HAVE_acTL) - { - png_warning(png_ptr, "Duplicate acTL skipped"); - png_crc_finish(png_ptr, length); - return; - } - else if (length != 8) - { - png_warning(png_ptr, "acTL with invalid length skipped"); - png_crc_finish(png_ptr, length); - return; - } - - png_crc_read(png_ptr, data, 8); - png_crc_finish(png_ptr, 0); - - num_frames = png_get_uint_31(png_ptr, data); - num_plays = png_get_uint_31(png_ptr, data + 4); - - /* the set function will do error checking on num_frames */ - didSet = png_set_acTL(png_ptr, info_ptr, num_frames, num_plays); - if(didSet) - png_ptr->mode |= PNG_HAVE_acTL; -} - -void /* PRIVATE */ -png_handle_fcTL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_byte data[22]; - png_uint_32 width; - png_uint_32 height; - png_uint_32 x_offset; - png_uint_32 y_offset; - png_uint_16 delay_num; - png_uint_16 delay_den; - png_byte dispose_op; - png_byte blend_op; - - png_debug(1, "in png_handle_fcTL"); - - png_ensure_sequence_number(png_ptr, length); - - if (!(png_ptr->mode & PNG_HAVE_IHDR)) - { - png_error(png_ptr, "Missing IHDR before fcTL"); - } - else if (png_ptr->mode & PNG_HAVE_IDAT) - { - /* for any frames other then the first this message may be misleading, - * but correct. PNG_HAVE_IDAT is unset before the frame head is read - * i can't think of a better message */ - png_warning(png_ptr, "Invalid fcTL after IDAT skipped"); - png_crc_finish(png_ptr, length-4); - return; - } - else if (png_ptr->mode & PNG_HAVE_fcTL) - { - png_warning(png_ptr, "Duplicate fcTL within one frame skipped"); - png_crc_finish(png_ptr, length-4); - return; - } - else if (length != 26) - { - png_warning(png_ptr, "fcTL with invalid length skipped"); - png_crc_finish(png_ptr, length-4); - return; - } - - png_crc_read(png_ptr, data, 22); - png_crc_finish(png_ptr, 0); - - width = png_get_uint_31(png_ptr, data); - height = png_get_uint_31(png_ptr, data + 4); - x_offset = png_get_uint_31(png_ptr, data + 8); - y_offset = png_get_uint_31(png_ptr, data + 12); - delay_num = png_get_uint_16(data + 16); - delay_den = png_get_uint_16(data + 18); - dispose_op = data[20]; - blend_op = data[21]; - - if (png_ptr->num_frames_read == 0 && (x_offset != 0 || y_offset != 0)) - { - png_warning(png_ptr, "fcTL for the first frame must have zero offset"); - return; - } - - if (info_ptr != NULL) - { - if (png_ptr->num_frames_read == 0 && - (width != info_ptr->width || height != info_ptr->height)) - { - png_warning(png_ptr, "size in first frame's fcTL must match " - "the size in IHDR"); - return; - } - - /* The set function will do more error checking */ - png_set_next_frame_fcTL(png_ptr, info_ptr, width, height, - x_offset, y_offset, delay_num, delay_den, - dispose_op, blend_op); - - png_read_reinit(png_ptr, info_ptr); - - png_ptr->mode |= PNG_HAVE_fcTL; - } -} - -void /* PRIVATE */ -png_have_info(png_structp png_ptr, png_infop info_ptr) -{ - if((info_ptr->valid & PNG_INFO_acTL) && !(info_ptr->valid & PNG_INFO_fcTL)) - { - png_ptr->apng_flags |= PNG_FIRST_FRAME_HIDDEN; - info_ptr->num_frames++; - } -} - -void /* PRIVATE */ -png_handle_fdAT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) -{ - png_ensure_sequence_number(png_ptr, length); - - /* This function is only called from png_read_end(), png_read_info(), - * and png_push_read_chunk() which means that: - * - the user doesn't want to read this frame - * - or this is an out-of-place fdAT - * in either case it is safe to ignore the chunk with a warning */ - png_warning(png_ptr, "ignoring fdAT chunk"); - png_crc_finish(png_ptr, length - 4); - PNG_UNUSED(info_ptr) -} - -void /* PRIVATE */ -png_ensure_sequence_number(png_structp png_ptr, png_uint_32 length) -{ - png_byte data[4]; - png_uint_32 sequence_number; - - if (length < 4) - png_error(png_ptr, "invalid fcTL or fdAT chunk found"); - - png_crc_read(png_ptr, data, 4); - sequence_number = png_get_uint_31(png_ptr, data); - - if (sequence_number != png_ptr->next_seq_num) - png_error(png_ptr, "fcTL or fdAT chunk with out-of-order sequence " - "number found"); - - png_ptr->next_seq_num++; -} -#endif /* PNG_READ_APNG_SUPPORTED */ - #ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED /* Utility function for png_handle_unknown; set up png_ptr::unknown_chunk */ static int @@ -4343,38 +4166,7 @@ png_read_IDAT_data(png_structrp png_ptr, png_bytep output, { uInt avail_in; png_bytep buffer; -#ifdef PNG_READ_APNG_SUPPORTED - png_uint_32 bytes_to_skip = 0; - - while (png_ptr->idat_size == 0 || bytes_to_skip != 0) - { - png_crc_finish(png_ptr, bytes_to_skip); - bytes_to_skip = 0; - - png_ptr->idat_size = png_read_chunk_header(png_ptr); - if (png_ptr->num_frames_read == 0) - { - if (png_ptr->chunk_name != png_IDAT) - png_error(png_ptr, "Not enough image data"); - } - else - { - if (png_ptr->chunk_name == png_IEND) - png_error(png_ptr, "Not enough image data"); - if (png_ptr->chunk_name != png_fdAT) - { - png_warning(png_ptr, "Skipped (ignored) a chunk " - "between APNG chunks"); - bytes_to_skip = png_ptr->idat_size; - continue; - } - - png_ensure_sequence_number(png_ptr, png_ptr->idat_size); - png_ptr->idat_size -= 4; - } - } -#else while (png_ptr->idat_size == 0) { png_crc_finish(png_ptr, 0); @@ -4386,7 +4178,7 @@ png_read_IDAT_data(png_structrp png_ptr, png_bytep output, if (png_ptr->chunk_name != png_IDAT) png_error(png_ptr, "Not enough image data"); } -#endif /* PNG_READ_APNG_SUPPORTED */ + avail_in = png_ptr->IDAT_read_size; if (avail_in > png_ptr->idat_size) @@ -4449,9 +4241,6 @@ png_read_IDAT_data(png_structrp png_ptr, png_bytep output, png_ptr->mode |= PNG_AFTER_IDAT; png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED; -#ifdef PNG_READ_APNG_SUPPORTED - png_ptr->num_frames_read++; -#endif if (png_ptr->zstream.avail_in > 0 || png_ptr->idat_size > 0) png_chunk_benign_error(png_ptr, "Extra compressed data"); @@ -4833,14 +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; @@ -4890,80 +4678,4 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) png_ptr->flags |= PNG_FLAG_ROW_INIT; } - -#ifdef PNG_READ_APNG_SUPPORTED -/* This function is to be called after the main IDAT set has been read and - * before a new IDAT is read. It resets some parts of png_ptr - * to make them usable by the read functions again */ -void /* PRIVATE */ -png_read_reset(png_structp png_ptr) -{ - png_ptr->mode &= ~PNG_HAVE_IDAT; - png_ptr->mode &= ~PNG_AFTER_IDAT; - png_ptr->row_number = 0; - png_ptr->pass = 0; -} - -void /* PRIVATE */ -png_read_reinit(png_structp png_ptr, png_infop info_ptr) -{ - png_ptr->width = info_ptr->next_frame_width; - png_ptr->height = info_ptr->next_frame_height; - png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,png_ptr->width); - png_ptr->info_rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, - png_ptr->width); - if (png_ptr->prev_row) - memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1); -} - -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -/* same as png_read_reset() but for the progressive reader */ -void /* PRIVATE */ -png_progressive_read_reset(png_structp png_ptr) -{ -#ifdef PNG_READ_INTERLACING_SUPPORTED - /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */ - - /* Start of interlace block */ - const int png_pass_start[] = {0, 4, 0, 2, 0, 1, 0}; - - /* Offset to next interlace block */ - const int png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1}; - - /* Start of interlace block in the y direction */ - const int png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1}; - - /* Offset to next interlace block in the y direction */ - const int png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2}; - - if (png_ptr->interlaced) - { - if (!(png_ptr->transformations & PNG_INTERLACE)) - png_ptr->num_rows = (png_ptr->height + png_pass_yinc[0] - 1 - - png_pass_ystart[0]) / png_pass_yinc[0]; - else - png_ptr->num_rows = png_ptr->height; - - png_ptr->iwidth = (png_ptr->width + - png_pass_inc[png_ptr->pass] - 1 - - png_pass_start[png_ptr->pass]) / - png_pass_inc[png_ptr->pass]; - } - else -#endif /* PNG_READ_INTERLACING_SUPPORTED */ - { - png_ptr->num_rows = png_ptr->height; - png_ptr->iwidth = png_ptr->width; - } - png_ptr->flags &= ~PNG_FLAG_ZSTREAM_ENDED; - if (inflateReset(&(png_ptr->zstream)) != Z_OK) - png_error(png_ptr, "inflateReset failed"); - png_ptr->zstream.avail_in = 0; - png_ptr->zstream.next_in = 0; - png_ptr->zstream.next_out = png_ptr->row_buf; - png_ptr->zstream.avail_out = (uInt)PNG_ROWBYTES(png_ptr->pixel_depth, - png_ptr->iwidth) + 1; -} -#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ -#endif /* PNG_READ_APNG_SUPPORTED */ #endif /* READ */ diff --git a/thirdparty/libpng/pngset.c b/thirdparty/libpng/pngset.c index a281db58ae..8c372cf415 100644 --- a/thirdparty/libpng/pngset.c +++ b/thirdparty/libpng/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. @@ -288,11 +288,6 @@ png_set_IHDR(png_const_structrp png_ptr, png_inforp info_ptr, info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth); info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width); - -#ifdef PNG_APNG_SUPPORTED - /* for non-animated png. this may be overwritten from an acTL chunk later */ - info_ptr->num_frames = 1; -#endif } #ifdef PNG_oFFs_SUPPORTED @@ -1024,6 +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; } @@ -1163,147 +1161,6 @@ png_set_sPLT(png_const_structrp png_ptr, } #endif /* sPLT */ -#ifdef PNG_APNG_SUPPORTED -png_uint_32 PNGAPI -png_set_acTL(png_structp png_ptr, png_infop info_ptr, - png_uint_32 num_frames, png_uint_32 num_plays) -{ - png_debug1(1, "in %s storage function", "acTL"); - - if (png_ptr == NULL || info_ptr == NULL) - { - png_warning(png_ptr, - "Call to png_set_acTL() with NULL png_ptr " - "or info_ptr ignored"); - return (0); - } - if (num_frames == 0) - { - png_warning(png_ptr, - "Ignoring attempt to set acTL with num_frames zero"); - return (0); - } - if (num_frames > PNG_UINT_31_MAX) - { - png_warning(png_ptr, - "Ignoring attempt to set acTL with num_frames > 2^31-1"); - return (0); - } - if (num_plays > PNG_UINT_31_MAX) - { - png_warning(png_ptr, - "Ignoring attempt to set acTL with num_plays " - "> 2^31-1"); - return (0); - } - - info_ptr->num_frames = num_frames; - info_ptr->num_plays = num_plays; - - info_ptr->valid |= PNG_INFO_acTL; - - return (1); -} - -/* delay_num and delay_den can hold any 16-bit values including zero */ -png_uint_32 PNGAPI -png_set_next_frame_fcTL(png_structp png_ptr, png_infop info_ptr, - png_uint_32 width, png_uint_32 height, - png_uint_32 x_offset, png_uint_32 y_offset, - png_uint_16 delay_num, png_uint_16 delay_den, - png_byte dispose_op, png_byte blend_op) -{ - png_debug1(1, "in %s storage function", "fcTL"); - - if (png_ptr == NULL || info_ptr == NULL) - { - png_warning(png_ptr, - "Call to png_set_fcTL() with NULL png_ptr or info_ptr " - "ignored"); - return (0); - } - - png_ensure_fcTL_is_valid(png_ptr, width, height, x_offset, y_offset, - delay_num, delay_den, dispose_op, blend_op); - - if (blend_op == PNG_BLEND_OP_OVER) - { - if (!(png_ptr->color_type & PNG_COLOR_MASK_ALPHA) && - !(png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))) - { - png_warning(png_ptr, "PNG_BLEND_OP_OVER is meaningless " - "and wasteful for opaque images, ignored"); - blend_op = PNG_BLEND_OP_SOURCE; - } - } - - info_ptr->next_frame_width = width; - info_ptr->next_frame_height = height; - info_ptr->next_frame_x_offset = x_offset; - info_ptr->next_frame_y_offset = y_offset; - info_ptr->next_frame_delay_num = delay_num; - info_ptr->next_frame_delay_den = delay_den; - info_ptr->next_frame_dispose_op = dispose_op; - info_ptr->next_frame_blend_op = blend_op; - - info_ptr->valid |= PNG_INFO_fcTL; - - return (1); -} - -void /* PRIVATE */ -png_ensure_fcTL_is_valid(png_structp png_ptr, - png_uint_32 width, png_uint_32 height, - png_uint_32 x_offset, png_uint_32 y_offset, - png_uint_16 delay_num, png_uint_16 delay_den, - png_byte dispose_op, png_byte blend_op) -{ - if (width == 0 || width > PNG_UINT_31_MAX) - png_error(png_ptr, "invalid width in fcTL (> 2^31-1)"); - if (height == 0 || height > PNG_UINT_31_MAX) - png_error(png_ptr, "invalid height in fcTL (> 2^31-1)"); - if (x_offset > PNG_UINT_31_MAX) - png_error(png_ptr, "invalid x_offset in fcTL (> 2^31-1)"); - if (y_offset > PNG_UINT_31_MAX) - png_error(png_ptr, "invalid y_offset in fcTL (> 2^31-1)"); - if (width + x_offset > png_ptr->first_frame_width || - height + y_offset > png_ptr->first_frame_height) - png_error(png_ptr, "dimensions of a frame are greater than" - "the ones in IHDR"); - - if (dispose_op != PNG_DISPOSE_OP_NONE && - dispose_op != PNG_DISPOSE_OP_BACKGROUND && - dispose_op != PNG_DISPOSE_OP_PREVIOUS) - png_error(png_ptr, "invalid dispose_op in fcTL"); - - if (blend_op != PNG_BLEND_OP_SOURCE && - blend_op != PNG_BLEND_OP_OVER) - png_error(png_ptr, "invalid blend_op in fcTL"); - - PNG_UNUSED(delay_num) - PNG_UNUSED(delay_den) -} - -png_uint_32 PNGAPI -png_set_first_frame_is_hidden(png_structp png_ptr, png_infop info_ptr, - png_byte is_hidden) -{ - png_debug(1, "in png_first_frame_is_hidden()"); - - if (png_ptr == NULL) - return 0; - - if (is_hidden) - png_ptr->apng_flags |= PNG_FIRST_FRAME_HIDDEN; - else - png_ptr->apng_flags &= ~PNG_FIRST_FRAME_HIDDEN; - - PNG_UNUSED(info_ptr) - - return 1; -} -#endif /* PNG_APNG_SUPPORTED */ - #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED static png_byte check_location(png_const_structrp png_ptr, int location) @@ -1472,7 +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"); @@ -1779,7 +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 @@ -1795,7 +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; @@ -1803,7 +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) diff --git a/thirdparty/libpng/pngstruct.h b/thirdparty/libpng/pngstruct.h index 2a2236f92e..e591d94d58 100644 --- a/thirdparty/libpng/pngstruct.h +++ b/thirdparty/libpng/pngstruct.h @@ -1,7 +1,7 @@ /* pngstruct.h - header file for PNG reference library * - * 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. @@ -334,18 +334,8 @@ struct png_struct_def size_t current_buffer_size; /* amount of data now in current_buffer */ int process_mode; /* what push library is currently doing */ int cur_palette; /* current push library palette index */ - #endif /* PROGRESSIVE_READ */ -#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__) -/* For the Borland special 64K segment handler */ - png_bytepp offset_table_ptr; - png_bytep offset_table; - png_uint_16 offset_table_number; - png_uint_16 offset_table_count; - png_uint_16 offset_table_count_free; -#endif - #ifdef PNG_READ_QUANTIZE_SUPPORTED png_bytep palette_lookup; /* lookup table for quantizing */ png_bytep quantize_index; /* index translation for palette files */ @@ -409,27 +399,6 @@ struct png_struct_def png_byte filter_type; #endif -#ifdef PNG_APNG_SUPPORTED - png_uint_32 apng_flags; - png_uint_32 next_seq_num; /* next fcTL/fdAT chunk sequence number */ - png_uint_32 first_frame_width; - png_uint_32 first_frame_height; - -#ifdef PNG_READ_APNG_SUPPORTED - png_uint_32 num_frames_read; /* incremented after all image data of */ - /* a frame is read */ -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED - png_progressive_frame_ptr frame_info_fn; /* frame info read callback */ - png_progressive_frame_ptr frame_end_fn; /* frame data read callback */ -#endif -#endif - -#ifdef PNG_WRITE_APNG_SUPPORTED - png_uint_32 num_frames_to_write; - png_uint_32 num_frames_written; -#endif -#endif /* PNG_APNG_SUPPORTED */ - /* New members added in libpng-1.2.0 */ /* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */ diff --git a/thirdparty/libpng/pngwrite.c b/thirdparty/libpng/pngwrite.c index 5e68032378..06c45d16ab 100644 --- a/thirdparty/libpng/pngwrite.c +++ b/thirdparty/libpng/pngwrite.c @@ -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. @@ -128,10 +128,6 @@ png_write_info_before_PLTE(png_structrp png_ptr, png_const_inforp info_ptr) * the application continues writing the PNG. So check the 'invalid' * flag here too. */ -#ifdef PNG_WRITE_APNG_SUPPORTED - if (info_ptr->valid & PNG_INFO_acTL) - png_write_acTL(png_ptr, info_ptr->num_frames, info_ptr->num_plays); -#endif #ifdef PNG_GAMMA_SUPPORTED # ifdef PNG_WRITE_gAMA_SUPPORTED if ((info_ptr->colorspace.flags & PNG_COLORSPACE_INVALID) == 0 && @@ -374,11 +370,6 @@ png_write_end(png_structrp png_ptr, png_inforp info_ptr) png_benign_error(png_ptr, "Wrote palette index exceeding num_palette"); #endif -#ifdef PNG_WRITE_APNG_SUPPORTED - if (png_ptr->num_frames_written != png_ptr->num_frames_to_write) - png_error(png_ptr, "Not enough frames written"); -#endif - /* See if user wants us to write information chunks */ if (info_ptr != NULL) { @@ -498,6 +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 @@ -1470,43 +1471,6 @@ png_write_png(png_structrp png_ptr, png_inforp info_ptr, } #endif -#ifdef PNG_WRITE_APNG_SUPPORTED -void PNGAPI -png_write_frame_head(png_structp png_ptr, png_infop info_ptr, - png_bytepp row_pointers, png_uint_32 width, png_uint_32 height, - png_uint_32 x_offset, png_uint_32 y_offset, - png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op, - png_byte blend_op) -{ - png_debug(1, "in png_write_frame_head"); - - /* there is a chance this has been set after png_write_info was called, - * so it would be set but not written. is there a way to be sure? */ - if (!(info_ptr->valid & PNG_INFO_acTL)) - png_error(png_ptr, "png_write_frame_head(): acTL not set"); - - png_write_reset(png_ptr); - - png_write_reinit(png_ptr, info_ptr, width, height); - - if ( !(png_ptr->num_frames_written == 0 && - (png_ptr->apng_flags & PNG_FIRST_FRAME_HIDDEN) ) ) - png_write_fcTL(png_ptr, width, height, x_offset, y_offset, - delay_num, delay_den, dispose_op, blend_op); - - PNG_UNUSED(row_pointers) -} - -void PNGAPI -png_write_frame_tail(png_structp png_ptr, png_infop info_ptr) -{ - png_debug(1, "in png_write_frame_tail"); - - png_ptr->num_frames_written++; - - PNG_UNUSED(info_ptr) -} -#endif /* PNG_WRITE_APNG_SUPPORTED */ #ifdef PNG_SIMPLIFIED_WRITE_SUPPORTED /* Initialize the write structure - general purpose utility. */ diff --git a/thirdparty/libpng/pngwutil.c b/thirdparty/libpng/pngwutil.c index b4809cda6b..16345e4c0b 100644 --- a/thirdparty/libpng/pngwutil.c +++ b/thirdparty/libpng/pngwutil.c @@ -821,11 +821,6 @@ png_write_IHDR(png_structrp png_ptr, png_uint_32 width, png_uint_32 height, /* Write the chunk */ png_write_complete_chunk(png_ptr, png_IHDR, buf, 13); -#ifdef PNG_WRITE_APNG_SUPPORTED - png_ptr->first_frame_width = width; - png_ptr->first_frame_height = height; -#endif - if ((png_ptr->do_filter) == PNG_NO_FILTERS) { if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE || @@ -1007,17 +1002,8 @@ png_compress_IDAT(png_structrp png_ptr, png_const_bytep input, optimize_cmf(data, png_image_size(png_ptr)); #endif - if (size > 0) -#ifdef PNG_WRITE_APNG_SUPPORTED - { - if (png_ptr->num_frames_written == 0) -#endif - png_write_complete_chunk(png_ptr, png_IDAT, data, size); -#ifdef PNG_WRITE_APNG_SUPPORTED - else - png_write_fdAT(png_ptr, data, size); - } -#endif /* PNG_WRITE_APNG_SUPPORTED */ + if (size > 0) + png_write_complete_chunk(png_ptr, png_IDAT, data, size); png_ptr->mode |= PNG_HAVE_IDAT; png_ptr->zstream.next_out = data; @@ -1064,17 +1050,7 @@ png_compress_IDAT(png_structrp png_ptr, png_const_bytep input, #endif if (size > 0) -#ifdef PNG_WRITE_APNG_SUPPORTED - { - if (png_ptr->num_frames_written == 0) -#endif png_write_complete_chunk(png_ptr, png_IDAT, data, size); -#ifdef PNG_WRITE_APNG_SUPPORTED - else - png_write_fdAT(png_ptr, data, size); - } -#endif /* PNG_WRITE_APNG_SUPPORTED */ - png_ptr->zstream.avail_out = 0; png_ptr->zstream.next_out = NULL; png_ptr->mode |= PNG_HAVE_IDAT | PNG_AFTER_IDAT; @@ -1909,82 +1885,6 @@ png_write_tIME(png_structrp png_ptr, png_const_timep mod_time) } #endif -#ifdef PNG_WRITE_APNG_SUPPORTED -void /* PRIVATE */ -png_write_acTL(png_structp png_ptr, - png_uint_32 num_frames, png_uint_32 num_plays) -{ - png_byte buf[8]; - - png_debug(1, "in png_write_acTL"); - - png_ptr->num_frames_to_write = num_frames; - - if (png_ptr->apng_flags & PNG_FIRST_FRAME_HIDDEN) - num_frames--; - - png_save_uint_32(buf, num_frames); - png_save_uint_32(buf + 4, num_plays); - - png_write_complete_chunk(png_ptr, png_acTL, buf, (png_size_t)8); -} - -void /* PRIVATE */ -png_write_fcTL(png_structp png_ptr, png_uint_32 width, png_uint_32 height, - png_uint_32 x_offset, png_uint_32 y_offset, - png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op, - png_byte blend_op) -{ - png_byte buf[26]; - - png_debug(1, "in png_write_fcTL"); - - if (png_ptr->num_frames_written == 0 && (x_offset != 0 || y_offset != 0)) - png_error(png_ptr, "x and/or y offset for the first frame aren't 0"); - if (png_ptr->num_frames_written == 0 && - (width != png_ptr->first_frame_width || - height != png_ptr->first_frame_height)) - png_error(png_ptr, "width and/or height in the first frame's fcTL " - "don't match the ones in IHDR"); - - /* more error checking */ - png_ensure_fcTL_is_valid(png_ptr, width, height, x_offset, y_offset, - delay_num, delay_den, dispose_op, blend_op); - - png_save_uint_32(buf, png_ptr->next_seq_num); - png_save_uint_32(buf + 4, width); - png_save_uint_32(buf + 8, height); - png_save_uint_32(buf + 12, x_offset); - png_save_uint_32(buf + 16, y_offset); - png_save_uint_16(buf + 20, delay_num); - png_save_uint_16(buf + 22, delay_den); - buf[24] = dispose_op; - buf[25] = blend_op; - - png_write_complete_chunk(png_ptr, png_fcTL, buf, (png_size_t)26); - - png_ptr->next_seq_num++; -} - -void /* PRIVATE */ -png_write_fdAT(png_structp png_ptr, - png_const_bytep data, png_size_t length) -{ - png_byte buf[4]; - - png_write_chunk_header(png_ptr, png_fdAT, (png_uint_32)(4 + length)); - - png_save_uint_32(buf, png_ptr->next_seq_num); - png_write_chunk_data(png_ptr, buf, 4); - - png_write_chunk_data(png_ptr, data, length); - - png_write_chunk_end(png_ptr); - - png_ptr->next_seq_num++; -} -#endif /* PNG_WRITE_APNG_SUPPORTED */ - /* Initializes the row writing capability of libpng */ void /* PRIVATE */ png_write_start_row(png_structrp png_ptr) @@ -2878,39 +2778,4 @@ png_write_filtered_row(png_structrp png_ptr, png_bytep filtered_row, } #endif /* WRITE_FLUSH */ } - -#ifdef PNG_WRITE_APNG_SUPPORTED -void /* PRIVATE */ -png_write_reset(png_structp png_ptr) -{ - png_ptr->row_number = 0; - png_ptr->pass = 0; - png_ptr->mode &= ~PNG_HAVE_IDAT; -} - -void /* PRIVATE */ -png_write_reinit(png_structp png_ptr, png_infop info_ptr, - png_uint_32 width, png_uint_32 height) -{ - if (png_ptr->num_frames_written == 0 && - (width != png_ptr->first_frame_width || - height != png_ptr->first_frame_height)) - png_error(png_ptr, "width and/or height in the first frame's fcTL " - "don't match the ones in IHDR"); - if (width > png_ptr->first_frame_width || - height > png_ptr->first_frame_height) - png_error(png_ptr, "width and/or height for a frame greater than" - "the ones in IHDR"); - - png_set_IHDR(png_ptr, info_ptr, width, height, - info_ptr->bit_depth, info_ptr->color_type, - info_ptr->interlace_type, info_ptr->compression_type, - info_ptr->filter_type); - - png_ptr->width = width; - png_ptr->height = height; - png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, width); - png_ptr->usr_width = png_ptr->width; -} -#endif /* PNG_WRITE_APNG_SUPPORTED */ #endif /* WRITE */ |