From f53c113d39eb62546491de811d5fbc92f9efcc5a Mon Sep 17 00:00:00 2001 From: Ryan VanderMeulen Date: Tue, 18 Sep 2018 18:33:11 +0000 Subject: [PATCH] Bug 1491467 - Update libpng to 1.6.35. r=aosmond Differential Revision: https://phabricator.services.mozilla.com/D5913 --HG-- extra : moz-landing-system : lando --- media/libpng/CHANGES | 58 +- media/libpng/LICENSE | 6 +- media/libpng/MOZCHANGES | 2 + media/libpng/README | 4 +- media/libpng/apng.patch | 1503 +++++++++-------- media/libpng/arm.patch | 32 +- media/libpng/intel/filter_sse2_intrinsics.c | 12 +- media/libpng/libpng-manual.txt | 72 +- media/libpng/png.c | 44 +- media/libpng/png.h | 80 +- media/libpng/pngconf.h | 29 +- media/libpng/pngget.c | 17 +- media/libpng/pnginfo.h | 14 +- media/libpng/pngpread.c | 38 +- media/libpng/pngpriv.h | 44 +- media/libpng/pngread.c | 12 +- media/libpng/pngrio.c | 12 +- media/libpng/pngrtran.c | 1574 +++++++++--------- media/libpng/pngrutil.c | 71 +- media/libpng/pngset.c | 18 +- media/libpng/pngstruct.h | 22 +- media/libpng/pngtrans.c | 18 +- media/libpng/pngwio.c | 10 +- media/libpng/pngwrite.c | 9 +- media/libpng/pngwtran.c | 10 +- media/libpng/pngwutil.c | 161 +- media/libpng/powerpc/filter_vsx_intrinsics.c | 4 +- old-configure.in | 2 +- 28 files changed, 1968 insertions(+), 1910 deletions(-) diff --git a/media/libpng/CHANGES b/media/libpng/CHANGES index 4b82118910ef4..0ed6a11872909 100644 --- a/media/libpng/CHANGES +++ b/media/libpng/CHANGES @@ -1,4 +1,3 @@ -#if 0 CHANGES - changes for libpng version 0.1 [March 29, 1995] @@ -1454,7 +1453,7 @@ Version 1.2.6beta4 [July 28, 2004] sequential read support. Added some "#if PNG_WRITE_SUPPORTED" blocks. Added #ifdef to remove some redundancy in png_malloc_default(). - Use png_malloc instead of png_zalloc to allocate the pallete. + Use png_malloc instead of png_zalloc to allocate the palette. Version 1.0.16rc1 and 1.2.6rc1 [August 4, 2004] Fixed buffer overflow vulnerability (CVE-2004-0597) in png_handle_tRNS(). @@ -3259,7 +3258,7 @@ Version 1.5.2beta01 [February 13, 2011] Revised PNG_EXPORTA macro to not use an empty parameter, to accommodate the old VisualC++ preprocessor. Turned on interlace handling in png_read_png(). - Fixed gcc pendantic warnings. + Fixed gcc pedantic warnings. Handle longjmp in Cygwin. Fixed png_get_current_row_number() in the interlaced case. Cleaned up ALPHA flags and transformations. @@ -3359,7 +3358,7 @@ Version 1.5.3beta05 [May 6, 2011] Pass "" instead of '\0' to png_default_error() in png_err(). This mistake was introduced in libpng-1.2.20beta01. This fixes CVE-2011-2691. Added PNG_WRITE_OPTIMIZE_CMF_SUPPORTED macro to make the zlib "CMF" byte - optimization configureable. + optimization configurable. IDAT compression failed if preceded by a compressed text chunk (bug introduced in libpng-1.5.3beta01-02). This was because the attempt to reset the zlib stream in png_write_IDAT happened after the first IDAT @@ -3643,7 +3642,7 @@ Version 1.5.6beta05 [October 12, 2011] Fixed bug in png_write_chunk_header() debug print, introduced in 1.5.6beta01. Version 1.5.6beta06 [October 17, 2011] - Removed two redundant tests for unitialized row. + Removed two redundant tests for uninitialized row. Fixed a relatively harmless memory overwrite in compressed text writing with a 1 byte zlib buffer. Add ability to call png_read_update_info multiple times to pngvalid.c. @@ -3689,7 +3688,7 @@ Version 1.5.7beta01 [November 4, 2011] crash. The pngmem.c implementation of png_malloc() included a cast to png_size_t which would fail on large allocations on 16-bit systems. Fix for the preprocessor of the Intel C compiler. The preprocessor - splits adjacent @ signs with a space; this changes the concatentation + splits adjacent @ signs with a space; this changes the concatenation token from @-@-@ to PNG_JOIN; that should work with all compiler preprocessors. Paeth filter speed improvements from work by Siarhei Siamashka. This @@ -3735,7 +3734,7 @@ Version 1.5.7beta03 [November 17, 2011] gray (on palette) itself. Fixes for C++ compilation using g++ When libpng source is compiled using g++. The compiler imposes C++ rules on the C source; thus it - is desireable to make the source work with either C or C++ rules + is desirable to make the source work with either C or C++ rules without throwing away useful error information. This change adds png_voidcast to allow C semantic (void*) cases or the corresponding C++ static_cast operation, as appropriate. @@ -4061,7 +4060,7 @@ Version 1.6.0beta17 [March 10, 2012] possible to call png_inflate() incrementally. A warning is no longer issued if the language tag or translated keyword in the iTXt chunk has zero length. - If benign errors are disabled use maximum window on ancilliary inflate. + If benign errors are disabled use maximum window on ancillary inflate. This works round a bug introduced in 1.5.4 where compressed ancillary chunks could end up with a too-small windowBits value in the deflate header. @@ -4176,7 +4175,7 @@ Version 1.6.0beta27 [August 11, 2012] declared even though the functions are never actually defined. This change provides a dummy definition so that the declarations work, yet any implementation will fail to compile because of an incomplete type. - Re-eliminated the use of strcpy() in pngtest.c. An unncessary use of + Re-eliminated the use of strcpy() in pngtest.c. An unnecessary use of strcpy() was accidentally re-introduced in libpng16; this change replaces it with strncpy(). Eliminated use of png_sizeof(); use sizeof() instead. @@ -4309,7 +4308,7 @@ Version 1.6.0beta31 [November 1, 2012] resulting in VS2010 having to update the files. Removed non-working ICC profile support code that was mostly added to libpng-1.6.0beta29 and beta30. There was too much code for too little - gain; implementing full ICC color correction may be desireable but is left + gain; implementing full ICC color correction may be desirable but is left up to applications. Version 1.6.0beta32 [November 25, 2012] @@ -4592,7 +4591,7 @@ Version 1.6.3beta07 [June 8, 2013] the optimizations ('check' vs 'api') are exposed in the public header files except that the new setting PNG_ARM_NEON_OPT documents how libpng makes the decision about whether or not to use the optimizations. - Protect symbol prefixing against CC/CPPFLAGS/CFLAGS useage. + Protect symbol prefixing against CC/CPPFLAGS/CFLAGS usage. Previous iOS/Xcode fixes for the ARM NEON optimizations moved the test on __ARM_NEON__ from configure time to compile time. This breaks symbol prefixing because the definition of the special png_init_filter_functions @@ -5635,7 +5634,7 @@ Version 1.6.24beta02 [June 23, 2016] to All and adds a list of the warnings that need to be turned off. This is semi-documentary; the intent is to tell libpng users which warnings have been examined and judged non-fixable at present. The warning about - structure padding is fixable, but it would be a signficant change (moving + structure padding is fixable, but it would be a significant change (moving structure members around). Version 1.6.24beta03 [July 4, 2016] @@ -5781,7 +5780,7 @@ Version 1.6.28rc01 [January 3, 2017] Added option to Cmake build allowing a custom location of zlib to be specified in a scenario where libpng is being built as a subproject alongside zlib by another project (Sam Serrels). - Changed png_ptr->options from a png_byte to png_uint_32, to accomodate + Changed png_ptr->options from a png_byte to png_uint_32, to accommodate up to 16 options. Version 1.6.28rc02 [January 4, 2017] @@ -5932,7 +5931,7 @@ Version 1.6.32beta04 [August 2, 2017] Update libpng.3 and libpng-manual.txt about eXIf functions. Version 1.6.32beta05 [August 2, 2017] - Restored png_get_eXIf() and png_set_eXIf() to maintain API compatability. + Restored png_get_eXIf() and png_set_eXIf() to maintain API compatibility. Version 1.6.32beta06 [August 2, 2017] Removed png_get_eXIf_1() and png_set_eXIf_1(). @@ -6038,14 +6037,35 @@ Version 1.6.33 [September 28, 2017] Add end_info structure and png_read_end() to the libpng fuzzer. Version 1.6.34 [September 29, 2017] - Removed contrib/pngsuite/i*.png; some of these were incorrect and caused - test failures. + Removed contrib/pngsuite/i*.png; some of them caused test failures. + +Version 1.6.35beta01 [March 6, 2018] + Restored 21 of the contrib/pngsuite/i*.png, which do not cause test + failures. Placed the remainder in contrib/pngsuite/interlaced/i*.png. + Added calls to png_set_*() transforms commonly used by browsers to + the fuzzer. + Removed some unnecessary brackets in pngrtran.c + Fixed miscellaneous typos (Patch by github user "luzpaz"). + Change "ASM C" to "C ASM" in CMakeLists.txt + Fixed incorrect handling of bKGD chunk in sub-8-bit files (Cosmin) + Added hardware optimization directories to zip and 7z distributions. + Fixed incorrect bitmask for options. + Fixed many spelling typos. + +Version 1.6.35beta02 [March 28, 2018] + Make png_get_iCCP consistent with man page (allow compression-type argument + to be NULL, bug report by Lenard Szolnoki). + +Version 1.6.35 [July 15, 2018] + Replaced the remaining uses of png_size_t with size_t (Cosmin) + Fixed the calculation of row_factor in png_check_chunk_length + (reported by Thuan Pham in SourceForge issue #278) + Added missing parentheses to a macro definition + (suggested by "irwir" in GitHub issue #216) Send comments/corrections/commendations to png-mng-implement at lists.sf.net (subscription required; visit https://lists.sourceforge.net/lists/listinfo/png-mng-implement -to subscribe) -or to glennrp at users.sourceforge.net +to subscribe). Glenn R-P -#endif diff --git a/media/libpng/LICENSE b/media/libpng/LICENSE index 9124a015ac22c..941f521c16d24 100644 --- a/media/libpng/LICENSE +++ b/media/libpng/LICENSE @@ -20,8 +20,8 @@ surrounding them in the modified libpng source files. This code is released under the libpng license. -libpng versions 1.0.7, July 1, 2000 through 1.6.34, September 29, 2017 are -Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are +libpng versions 1.0.7, July 1, 2000 through 1.6.35, July 15, 2018 are +Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are derived from libpng-1.0.6, and are distributed according to the same disclaimer and license as libpng-1.0.6 with the following individuals added to the list of Contributing Authors: @@ -140,4 +140,4 @@ any encryption software. See the EAR, paragraphs 734.3(b)(3) and Glenn Randers-Pehrson glennrp at users.sourceforge.net -September 29, 2017 +July 15, 2018 diff --git a/media/libpng/MOZCHANGES b/media/libpng/MOZCHANGES index da86bb8bf70f9..add1a0a4a8f17 100644 --- a/media/libpng/MOZCHANGES +++ b/media/libpng/MOZCHANGES @@ -1,6 +1,8 @@ Changes made to pristine libpng source by mozilla.org developers. +2018/09/14 -- Synced with libpng-1.6.35 (bug #1491467). + 2017/08/30 -- Synced with libpng-1.6.34 (bug #1402057). 2017/03/18 -- Synced with libpng-1.6.31 (bug #1377118). diff --git a/media/libpng/README b/media/libpng/README index 0da5a5ef83990..f098b27f3971a 100644 --- a/media/libpng/README +++ b/media/libpng/README @@ -1,4 +1,4 @@ -README for libpng version 1.6.34 - September 29, 2017 (shared library 16.0) +README for libpng version 1.6.35 - July 15, 2018 (shared library 16.0) See the note about version numbers near the top of png.h See INSTALL for instructions on how to install libpng. @@ -118,7 +118,7 @@ development group. Send comments/corrections/commendations to png-mng-implement at lists.sourceforge.net (subscription required; visit https://lists.sourceforge.net/lists/listinfo/png-mng-implement -to subscribe) or to glennrp at users.sourceforge.net +to subscribe). You can't reach Guy, the original libpng author, at the addresses given in previous versions of this document. He and Andreas will diff --git a/media/libpng/apng.patch b/media/libpng/apng.patch index abbd03f882b39..b266e35e552db 100644 --- a/media/libpng/apng.patch +++ b/media/libpng/apng.patch @@ -1,8 +1,8 @@ -Index: LICENSE -=================================================================== ---- LICENSE -+++ LICENSE -@@ -8,6 +8,12 @@ +diff --git a/LICENSE b/LICENSE +--- a/LICENSE ++++ b/LICENSE +@@ -7,8 +7,14 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENS + If you modify libpng you may insert additional notices immediately following this sentence. @@ -14,318 +14,44 @@ Index: LICENSE + This code is released under the libpng license. - libpng versions 1.0.7, July 1, 2000 through 1.6.34, September 29, 2017 are -Index: pngread.c -=================================================================== ---- pngread.c -+++ pngread.c -@@ -161,6 +161,9 @@ - - 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; - } -@@ -255,6 +258,17 @@ - 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); -@@ -262,6 +276,72 @@ - } - #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) == 0) -+ 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 != 0 || 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 == 0 && 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 /* READ_APNG */ -+ - /* Optional call to update the users info_ptr structure */ - void PNGAPI - png_read_update_info(png_structrp png_ptr, png_inforp info_ptr) -Index: pngget.c -=================================================================== ---- pngget.c -+++ pngget.c -@@ -1245,4 +1245,166 @@ - # 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) != 0 && -+ 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) != 0 && -+ 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 /* APNG */ - #endif /* READ || WRITE */ -Index: png.c -=================================================================== ---- png.c -+++ png.c -@@ -816,17 +816,21 @@ + libpng versions 1.0.7, July 1, 2000 through 1.6.35, July 15, 2018 are + Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are +diff --git a/png.c b/png.c +--- a/png.c ++++ b/png.c +@@ -815,19 +815,23 @@ png_get_copyright(png_const_structrp png + return PNG_STRING_COPYRIGHT #else # ifdef __STDC__ return PNG_STRING_NEWLINE \ -- "libpng version 1.6.34 - September 29, 2017" PNG_STRING_NEWLINE \ -+ "libpng version 1.6.34+apng - September 29, 2017" PNG_STRING_NEWLINE \ - "Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson" \ +- "libpng version 1.6.35 - July 15, 2018" PNG_STRING_NEWLINE \ ++ "libpng version 1.6.35+apng - July 15, 2018" 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 \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ - PNG_STRING_NEWLINE; + PNG_STRING_NEWLINE \ + "Portions Copyright (c) 2006-2007 Andrew Smith" PNG_STRING_NEWLINE \ -+ "Portions Copyright (c) 2008-2017 Max Stepin" PNG_STRING_NEWLINE ; ++ "Portions Copyright (c) 2008-2018 Max Stepin" PNG_STRING_NEWLINE ; # else -- return "libpng version 1.6.34 - September 29, 2017\ -+ return "libpng version 1.6.34+apng - September 29, 2017\ - Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson\ +- return "libpng version 1.6.35 - July 15, 2018\ ++ return "libpng version 1.6.35+apng - July 15, 2018\ + 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."; + Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\ + Portions Copyright (c) 2006-2007 Andrew Smith\ -+ Portions Copyright (c) 2008-2017 Max Stepin"; ++ Portions Copyright (c) 2008-2018 Max Stepin"; # endif #endif } -Index: png.h -=================================================================== ---- png.h -+++ png.h -@@ -23,6 +23,12 @@ + +diff --git a/png.h b/png.h +--- a/png.h ++++ b/png.h +@@ -22,8 +22,14 @@ + * * If you modify libpng you may insert additional notices immediately following * this sentence. * @@ -337,20 +63,24 @@ Index: png.h + * * This code is released under the libpng license. * - * libpng versions 1.0.7, July 1, 2000 through 1.6.34, September 29, 2017 are -@@ -309,8 +315,9 @@ + * libpng versions 1.0.7, July 1, 2000 through 1.6.35, July 15, 2018 are + * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are +@@ -308,10 +314,11 @@ + * skip to the end of this file and read the section entitled 'simplified API'. */ /* Version information for png.h - this should match the version in png.c */ --#define PNG_LIBPNG_VER_STRING "1.6.34" --#define PNG_HEADER_VERSION_STRING " libpng version 1.6.34 - September 29, 2017\n" -+#define PNG_LIBPNG_VER_STRING "1.6.34+apng" +-#define PNG_LIBPNG_VER_STRING "1.6.35" +-#define PNG_HEADER_VERSION_STRING " libpng version 1.6.35 - July 15, 2018\n" ++#define PNG_LIBPNG_VER_STRING "1.6.35+apng" +#define PNG_HEADER_VERSION_STRING \ -+ " libpng version 1.6.34+apng - September 29, 2017\n" ++ " libpng version 1.6.35+apng - July 15, 2018\n" #define PNG_LIBPNG_VER_SONUM 16 #define PNG_LIBPNG_VER_DLLNUM 16 -@@ -361,6 +368,10 @@ + +@@ -360,8 +367,12 @@ + */ # include "pnglibconf.h" #endif @@ -361,7 +91,9 @@ Index: png.h #ifndef PNG_VERSION_INFO_ONLY /* Machine specific configuration. */ # include "pngconf.h" -@@ -456,6 +467,17 @@ + #endif +@@ -455,8 +466,19 @@ extern "C" { + * constants. * See pngconf.h for base types that vary by machine/system */ @@ -379,7 +111,9 @@ Index: png.h /* This triggers a compiler error in png.c, if png.c and png.h * do not agree upon the version number. */ -@@ -777,6 +799,10 @@ + typedef char* png_libpng_version_1_6_35; +@@ -776,8 +798,12 @@ typedef png_unknown_chunk * * png_unknow + #define PNG_INFO_sPLT 0x2000U /* ESR, 1.0.6 */ #define PNG_INFO_sCAL 0x4000U /* ESR, 1.0.6 */ #define PNG_INFO_IDAT 0x8000U /* ESR, 1.0.6 */ #define PNG_INFO_eXIf 0x10000U /* GR-P, 1.6.31 */ @@ -390,7 +124,9 @@ Index: png.h /* This is used for the transformation routines, as some of them * change these values for the row. It also should enable using -@@ -814,6 +840,10 @@ + * the routines for other purposes. +@@ -813,8 +839,12 @@ typedef PNG_CALLBACK(void, *png_write_st + #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)); @@ -401,7 +137,9 @@ Index: png.h /* 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 -@@ -3258,6 +3288,75 @@ + * row number is the row number within the sub-image of the interlace pass, so +@@ -3257,17 +3287,90 @@ PNG_EXPORT(244, int, png_set_option, (pn + /******************************************************************************* * END OF HARDWARE AND SOFTWARE OPTIONS ******************************************************************************/ @@ -477,7 +215,8 @@ Index: png.h /* Maintainer: Put new public prototypes here ^, in libpng.3, in project * defs, and in scripts/symbols.def. */ -@@ -3266,7 +3365,11 @@ + + /* The last ordinal number (this is the *last* one already used; the next * one to use is one more than this.) */ #ifdef PNG_EXPORT_LAST_ORDINAL @@ -489,93 +228,183 @@ Index: png.h #endif #ifdef __cplusplus -Index: pngpriv.h -=================================================================== ---- pngpriv.h -+++ pngpriv.h -@@ -628,6 +628,10 @@ - #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 -@@ -864,6 +868,16 @@ - #define png_tRNS PNG_U32(116, 82, 78, 83) - #define png_zTXt PNG_U32(122, 84, 88, 116) + } +diff --git a/pngget.c b/pngget.c +--- a/pngget.c ++++ b/pngget.c +@@ -1245,5 +1245,167 @@ png_get_palette_max(png_const_structp pn + } + # endif + #endif +#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) ++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"); + -+/* For png_struct.apng_flags: */ -+#define PNG_FIRST_FRAME_HIDDEN 0x0001U -+#define PNG_APNG_APP 0x0002U -+#endif ++ if (png_ptr != NULL && info_ptr != NULL && ++ (info_ptr->valid & PNG_INFO_acTL) != 0 && ++ num_frames != NULL && num_plays != NULL) ++ { ++ *num_frames = info_ptr->num_frames; ++ *num_plays = info_ptr->num_plays; ++ return (1); ++ } + - /* 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. - */ -@@ -1615,6 +1629,49 @@ - - #endif /* PROGRESSIVE_READ */ - -+#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); ++ 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) != 0 && ++ 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()"); + -+#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 /* PROGRESSIVE_READ */ -+#endif /* READ_APNG */ ++ if (png_ptr != NULL) ++ return (png_byte)(png_ptr->apng_flags & PNG_FIRST_FRAME_HIDDEN); + -+#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 /* WRITE_APNG */ -+#endif /* APNG */ ++ PNG_UNUSED(info_ptr) + - /* Added at libpng version 1.6.0 */ - #ifdef PNG_GAMMA_SUPPORTED - PNG_INTERNAL_FUNCTION(void,png_colorspace_set_gamma,(png_const_structrp png_ptr, -Index: pnginfo.h -=================================================================== ---- pnginfo.h -+++ pnginfo.h -@@ -263,5 +263,18 @@ ++ return 0; ++} ++#endif /* APNG */ + #endif /* READ || WRITE */ +diff --git a/pnginfo.h b/pnginfo.h +--- a/pnginfo.h ++++ b/pnginfo.h +@@ -262,6 +262,19 @@ defined(PNG_READ_BACKGROUND_SUPPORTED) + /* Data valid if (valid & PNG_INFO_IDAT) non-zero */ png_bytepp row_pointers; /* the image bits */ #endif @@ -594,113 +423,11 @@ Index: pnginfo.h + }; #endif /* PNGINFO_H */ -Index: pngstruct.h -=================================================================== ---- pngstruct.h -+++ pngstruct.h -@@ -403,6 +403,27 @@ - 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 /* APNG */ -+ - /* 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 */ -Index: pngwrite.c -=================================================================== ---- pngwrite.c -+++ pngwrite.c -@@ -128,6 +128,10 @@ - * 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) != 0) -+ 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 && -@@ -365,6 +369,11 @@ - if ((png_ptr->mode & PNG_HAVE_IDAT) == 0) - png_error(png_ptr, "No IDATs written into file"); - -+#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 -+ - #ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED - if (png_ptr->num_palette_max > png_ptr->num_palette) - png_benign_error(png_ptr, "Wrote palette index exceeding num_palette"); -@@ -2393,4 +2402,42 @@ - } - #endif /* SIMPLIFIED_WRITE_STDIO */ - #endif /* SIMPLIFIED_WRITE */ -+ -+#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) == 0) -+ 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->apng_flags & PNG_FIRST_FRAME_HIDDEN) == 0 || -+ png_ptr->num_frames_written != 0) -+ 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 /* WRITE_APNG */ - #endif /* WRITE */ -Index: pngpread.c -=================================================================== ---- pngpread.c -+++ pngpread.c -@@ -195,6 +195,89 @@ +diff --git a/pngpread.c b/pngpread.c +--- a/pngpread.c ++++ b/pngpread.c +@@ -194,8 +194,91 @@ png_push_read_chunk(png_structrp png_ptr + } chunk_name = png_ptr->chunk_name; @@ -790,7 +517,9 @@ Index: pngpread.c if (chunk_name == png_IDAT) { if ((png_ptr->mode & PNG_AFTER_IDAT) != 0) -@@ -261,6 +344,9 @@ + png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT; +@@ -260,8 +343,11 @@ png_push_read_chunk(png_structrp png_ptr + } else if (chunk_name == png_IDAT) { @@ -800,7 +529,9 @@ Index: pngpread.c png_ptr->idat_size = png_ptr->push_length; png_ptr->process_mode = PNG_READ_IDAT_MODE; png_push_have_info(png_ptr, info_ptr); -@@ -407,6 +493,20 @@ + png_ptr->zstream.avail_out = +@@ -406,8 +492,22 @@ png_push_read_chunk(png_structrp png_ptr + png_handle_iTXt(png_ptr, info_ptr, png_ptr->push_length); } #endif @@ -821,7 +552,9 @@ Index: pngpread.c else { PNG_PUSH_SAVE_BUFFER_IF_FULL -@@ -539,7 +639,11 @@ + png_handle_unknown(png_ptr, info_ptr, png_ptr->push_length, +@@ -538,27 +638,74 @@ png_push_read_IDAT(png_structrp png_ptr) + png_byte chunk_length[4]; png_byte chunk_tag[4]; /* TODO: this code can be commoned up with the same code in push_read */ @@ -833,7 +566,7 @@ Index: pngpread.c 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); -@@ -547,17 +651,60 @@ + png_crc_read(png_ptr, chunk_tag, 4); png_ptr->chunk_name = PNG_CHUNK_FROM_STRING(chunk_tag); png_ptr->mode |= PNG_HAVE_CHUNK_HEADER; @@ -885,219 +618,256 @@ Index: pngpread.c 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; -+ } ++ 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) + { +@@ -630,8 +777,18 @@ png_process_IDAT_data(png_structrp png_p + /* The caller checks for a non-zero buffer length. */ + 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) == 0 && ++ 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. + */ +@@ -1084,8 +1241,20 @@ png_set_progressive_read_fn(png_structrp + + 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) + { + if (png_ptr == NULL) +diff --git a/pngpriv.h b/pngpriv.h +--- a/pngpriv.h ++++ b/pngpriv.h +@@ -633,8 +633,12 @@ + #define PNG_HAVE_PNG_SIGNATURE 0x1000U + #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 + #define PNG_INTERLACE 0x0002U +@@ -869,8 +873,18 @@ + #define png_tIME PNG_U32(116, 73, 77, 69) + #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. + */ + #define PNG_CHUNK_FROM_STRING(s)\ +@@ -1620,8 +1634,51 @@ PNG_INTERNAL_FUNCTION(void,png_push_read + # endif + + #endif /* PROGRESSIVE_READ */ + ++#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 /* PROGRESSIVE_READ */ ++#endif /* READ_APNG */ ++ ++#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 /* WRITE_APNG */ ++#endif /* APNG */ ++ + /* Added at libpng version 1.6.0 */ + #ifdef PNG_GAMMA_SUPPORTED + PNG_INTERNAL_FUNCTION(void,png_colorspace_set_gamma,(png_const_structrp png_ptr, + png_colorspacerp colorspace, png_fixed_point gAMA), PNG_EMPTY); +diff --git a/pngread.c b/pngread.c +--- a/pngread.c ++++ b/pngread.c +@@ -160,8 +160,11 @@ png_read_info(png_structrp png_ptr, png_ + png_handle_PLTE(png_ptr, info_ptr, length); + + 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; + } - if (png_ptr->idat_size != 0 && png_ptr->save_buffer_size != 0) -@@ -631,6 +778,16 @@ - if (!(buffer_length > 0) || buffer == NULL) - png_error(png_ptr, "No IDAT data (internal error)"); +@@ -254,15 +257,92 @@ png_read_info(png_structrp png_ptr, png_ + else if (chunk_name == png_iTXt) + png_handle_iTXt(png_ptr, info_ptr, length); + #endif +#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) == 0 && -+ png_ptr->num_frames_read > 0) -+ { -+ png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED; -+ return; -+ } ++ 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 + - /* This routine must process all the data it has been given - * before returning, calling the row callback as required to - * handle the uncompressed results. -@@ -1085,6 +1242,18 @@ - png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer); + else + png_handle_unknown(png_ptr, info_ptr, length, + PNG_HANDLE_CHUNK_AS_DEFAULT); + } } + #endif /* SEQUENTIAL_READ */ +#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) - { -Index: pngset.c -=================================================================== ---- pngset.c -+++ pngset.c -@@ -288,6 +288,11 @@ - 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 -@@ -1158,6 +1163,146 @@ - } - #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_read_frame_head(png_structp png_ptr, png_infop info_ptr) +{ -+ 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); -+ } ++ png_byte have_chunk_after_DAT; /* after IDAT or after fdAT */ + -+ info_ptr->num_frames = num_frames; -+ info_ptr->num_plays = num_plays; ++ png_debug(0, "Reading frame head"); + -+ info_ptr->valid |= PNG_INFO_acTL; ++ if ((png_ptr->mode & PNG_HAVE_acTL) == 0) ++ png_error(png_ptr, "attempt to png_read_frame_head() but " ++ "no acTL present"); + -+ return (1); -+} ++ /* do nothing for the main IDAT */ ++ if (png_ptr->num_frames_read == 0) ++ return; + -+/* 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"); ++ png_read_reset(png_ptr); ++ png_ptr->flags &= ~PNG_FLAG_ROW_INIT; ++ png_ptr->mode &= ~PNG_HAVE_fcTL; + -+ if (png_ptr == NULL || info_ptr == NULL) ++ have_chunk_after_DAT = 0; ++ for (;;) + { -+ 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); ++ png_uint_32 length = png_read_chunk_header(png_ptr); + -+ if (blend_op == PNG_BLEND_OP_OVER) -+ { -+ if ((png_ptr->color_type & PNG_COLOR_MASK_ALPHA) == 0 && -+ png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS) == 0) ++ if (png_ptr->chunk_name == png_IDAT) + { -+ png_warning(png_ptr, "PNG_BLEND_OP_OVER is meaningless " -+ "and wasteful for opaque images, ignored"); -+ blend_op = PNG_BLEND_OP_SOURCE; ++ /* discard trailing IDATs for the first frame */ ++ if (have_chunk_after_DAT != 0 || png_ptr->num_frames_read > 1) ++ png_error(png_ptr, "png_read_frame_head(): out of place IDAT"); ++ png_crc_finish(png_ptr, length); + } -+ } -+ -+ 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 (0 or > 2^31-1)"); -+ if (height == 0 || height > PNG_UINT_31_MAX) -+ png_error(png_ptr, "invalid height in fcTL (0 or > 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; ++ else if (png_ptr->chunk_name == png_fcTL) ++ { ++ png_handle_fcTL(png_ptr, info_ptr, length); ++ have_chunk_after_DAT = 1; ++ } + -+ if (is_hidden != 0) -+ png_ptr->apng_flags |= PNG_FIRST_FRAME_HIDDEN; -+ else -+ png_ptr->apng_flags &= ~PNG_FIRST_FRAME_HIDDEN; ++ else if (png_ptr->chunk_name == png_fdAT) ++ { ++ png_ensure_sequence_number(png_ptr, length); + -+ PNG_UNUSED(info_ptr) ++ /* discard trailing fdATs for frames other than the first */ ++ if (have_chunk_after_DAT == 0 && 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; + -+ return 1; ++ 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 /* APNG */ ++#endif /* READ_APNG */ + - #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED - static png_byte - check_location(png_const_structrp png_ptr, int location) -Index: pngrutil.c -=================================================================== ---- pngrutil.c -+++ pngrutil.c -@@ -865,6 +865,11 @@ + /* Optional call to update the users info_ptr structure */ + void PNGAPI + png_read_update_info(png_structrp png_ptr, png_inforp info_ptr) + { +diff --git a/pngrutil.c b/pngrutil.c +--- a/pngrutil.c ++++ b/pngrutil.c +@@ -864,8 +864,13 @@ png_handle_IHDR(png_structrp png_ptr, pn + compression_type = buf[10]; filter_type = buf[11]; interlace_type = buf[12]; @@ -1109,7 +879,9 @@ Index: pngrutil.c /* Set internal variables */ png_ptr->width = width; png_ptr->height = height; -@@ -2840,6 +2845,180 @@ + png_ptr->bit_depth = (png_byte)bit_depth; +@@ -2857,8 +2862,182 @@ png_handle_iTXt(png_structrp png_ptr, pn + png_chunk_benign_error(png_ptr, errmsg); } #endif @@ -1290,7 +1062,9 @@ Index: pngrutil.c #ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED /* Utility function for png_handle_unknown; set up png_ptr::unknown_chunk */ static int -@@ -3145,7 +3324,11 @@ + png_cache_unknown_chunk(png_structrp png_ptr, png_uint_32 length) +@@ -3162,9 +3341,13 @@ png_check_chunk_length(png_const_structr + # elif PNG_USER_CHUNK_MALLOC_MAX > 0 if (PNG_USER_CHUNK_MALLOC_MAX < limit) limit = PNG_USER_CHUNK_MALLOC_MAX; # endif @@ -1302,7 +1076,9 @@ Index: pngrutil.c { png_alloc_size_t idat_limit = PNG_UINT_31_MAX; size_t row_factor = -@@ -4146,6 +4329,38 @@ + (size_t)png_ptr->width +@@ -4166,8 +4349,40 @@ png_read_IDAT_data(png_structrp png_ptr, + { uInt avail_in; png_bytep buffer; @@ -1341,7 +1117,9 @@ Index: pngrutil.c while (png_ptr->idat_size == 0) { png_crc_finish(png_ptr, 0); -@@ -4157,6 +4372,7 @@ + +@@ -4177,8 +4392,9 @@ png_read_IDAT_data(png_structrp png_ptr, + */ if (png_ptr->chunk_name != png_IDAT) png_error(png_ptr, "Not enough image data"); } @@ -1349,7 +1127,9 @@ Index: pngrutil.c avail_in = png_ptr->IDAT_read_size; -@@ -4220,6 +4436,9 @@ + if (avail_in > png_ptr->idat_size) +@@ -4240,8 +4456,11 @@ png_read_IDAT_data(png_structrp png_ptr, + png_ptr->zstream.next_out = NULL; png_ptr->mode |= PNG_AFTER_IDAT; png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED; @@ -1359,7 +1139,9 @@ Index: pngrutil.c if (png_ptr->zstream.avail_in > 0 || png_ptr->idat_size > 0) png_chunk_benign_error(png_ptr, "Extra compressed data"); -@@ -4658,4 +4877,80 @@ + break; +@@ -4678,5 +4897,81 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED + png_error(png_ptr, png_ptr->zstream.msg); png_ptr->flags |= PNG_FLAG_ROW_INIT; } @@ -1440,13 +1222,286 @@ Index: pngrutil.c +#endif /* PROGRESSIVE_READ */ +#endif /* READ_APNG */ #endif /* READ */ -Index: pngwutil.c -=================================================================== ---- pngwutil.c -+++ pngwutil.c -@@ -822,6 +822,11 @@ +diff --git a/pngset.c b/pngset.c +--- a/pngset.c ++++ b/pngset.c +@@ -287,8 +287,13 @@ png_set_IHDR(png_const_structrp png_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 + void PNGAPI +@@ -1157,8 +1162,148 @@ png_set_sPLT(png_const_structrp png_ptr, + png_chunk_report(png_ptr, "sPLT out of memory", PNG_CHUNK_WRITE_ERROR); + } + #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) == 0 && ++ png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS) == 0) ++ { ++ 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 (0 or > 2^31-1)"); ++ if (height == 0 || height > PNG_UINT_31_MAX) ++ png_error(png_ptr, "invalid height in fcTL (0 or > 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 != 0) ++ png_ptr->apng_flags |= PNG_FIRST_FRAME_HIDDEN; ++ else ++ png_ptr->apng_flags &= ~PNG_FIRST_FRAME_HIDDEN; ++ ++ PNG_UNUSED(info_ptr) ++ ++ return 1; ++} ++#endif /* APNG */ ++ + #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED + static png_byte + check_location(png_const_structrp png_ptr, int location) + { +diff --git a/pngstruct.h b/pngstruct.h +--- a/pngstruct.h ++++ b/pngstruct.h +@@ -402,8 +402,29 @@ struct png_struct_def + #ifdef PNG_MNG_FEATURES_SUPPORTED + 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 /* APNG */ ++ + /* 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 */ + #ifdef PNG_USER_MEM_SUPPORTED +diff --git a/pngwrite.c b/pngwrite.c +--- a/pngwrite.c ++++ b/pngwrite.c +@@ -127,8 +127,12 @@ png_write_info_before_PLTE(png_structrp + * an error and calls png_error while the color space is being set, yet + * 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) != 0) ++ 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 && + (info_ptr->colorspace.flags & PNG_COLORSPACE_FROM_gAMA) != 0 && +@@ -364,8 +368,13 @@ png_write_end(png_structrp png_ptr, png_ + + if ((png_ptr->mode & PNG_HAVE_IDAT) == 0) + png_error(png_ptr, "No IDATs written into file"); + ++#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 ++ + #ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED + if (png_ptr->num_palette_max > png_ptr->num_palette) + png_benign_error(png_ptr, "Wrote palette index exceeding num_palette"); + #endif +@@ -2391,5 +2400,43 @@ png_image_write_to_file(png_imagep image + return 0; + } + #endif /* SIMPLIFIED_WRITE_STDIO */ + #endif /* SIMPLIFIED_WRITE */ ++ ++#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) == 0) ++ 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->apng_flags & PNG_FIRST_FRAME_HIDDEN) == 0 || ++ png_ptr->num_frames_written != 0) ++ 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 /* WRITE_APNG */ + #endif /* WRITE */ +diff --git a/pngwutil.c b/pngwutil.c +--- a/pngwutil.c ++++ b/pngwutil.c +@@ -820,8 +820,13 @@ png_write_IHDR(png_structrp png_ptr, png + /* Write the chunk */ - png_write_complete_chunk(png_ptr, png_IHDR, buf, (png_size_t)13); + png_write_complete_chunk(png_ptr, png_IHDR, buf, 13); +#ifdef PNG_WRITE_APNG_SUPPORTED + png_ptr->first_frame_width = width; @@ -1456,7 +1511,9 @@ Index: pngwutil.c if ((png_ptr->do_filter) == PNG_NO_FILTERS) { if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE || -@@ -1004,7 +1009,17 @@ + png_ptr->bit_depth < 8) +@@ -1002,9 +1007,19 @@ png_compress_IDAT(png_structrp png_ptr, + optimize_cmf(data, png_image_size(png_ptr)); #endif if (size > 0) @@ -1474,7 +1531,9 @@ Index: pngwutil.c png_ptr->mode |= PNG_HAVE_IDAT; png_ptr->zstream.next_out = data; -@@ -1051,7 +1066,17 @@ + png_ptr->zstream.avail_out = size; +@@ -1049,9 +1064,19 @@ png_compress_IDAT(png_structrp png_ptr, + optimize_cmf(data, png_image_size(png_ptr)); #endif if (size > 0) @@ -1492,7 +1551,9 @@ Index: pngwutil.c png_ptr->zstream.avail_out = 0; png_ptr->zstream.next_out = NULL; png_ptr->mode |= PNG_HAVE_IDAT | PNG_AFTER_IDAT; -@@ -1887,6 +1912,82 @@ + +@@ -1884,8 +1909,84 @@ png_write_tIME(png_structrp png_ptr, png + png_write_complete_chunk(png_ptr, png_tIME, buf, 7); } #endif @@ -1575,7 +1636,9 @@ Index: pngwutil.c /* Initializes the row writing capability of libpng */ void /* PRIVATE */ png_write_start_row(png_structrp png_ptr) -@@ -2781,4 +2882,39 @@ + { +@@ -2777,5 +2878,40 @@ png_write_filtered_row(png_structrp png_ + png_write_flush(png_ptr); } #endif /* WRITE_FLUSH */ } @@ -1615,31 +1678,3 @@ Index: pngwutil.c +} +#endif /* WRITE_APNG */ #endif /* WRITE */ -Index: scripts/symbols.def -=================================================================== ---- scripts/symbols.def -+++ scripts/symbols.def -@@ -254,3 +254,23 @@ - png_set_eXIf @247 - png_get_eXIf_1 @248 - png_set_eXIf_1 @249 -+ png_get_acTL @250 -+ png_set_acTL @251 -+ png_get_num_frames @252 -+ png_get_num_plays @253 -+ png_get_next_frame_fcTL @254 -+ png_set_next_frame_fcTL @255 -+ png_get_next_frame_width @256 -+ png_get_next_frame_height @257 -+ png_get_next_frame_x_offset @258 -+ png_get_next_frame_y_offset @259 -+ png_get_next_frame_delay_num @260 -+ png_get_next_frame_delay_den @261 -+ png_get_next_frame_dispose_op @262 -+ png_get_next_frame_blend_op @263 -+ png_get_first_frame_is_hidden @264 -+ png_set_first_frame_is_hidden @265 -+ png_read_frame_head @266 -+ png_set_progressive_frame_fn @267 -+ png_write_frame_head @268 -+ png_write_frame_tail @269 diff --git a/media/libpng/arm.patch b/media/libpng/arm.patch index 4c6fd1e80f74e..5b910522ee67c 100644 --- a/media/libpng/arm.patch +++ b/media/libpng/arm.patch @@ -1,11 +1,7 @@ -diff --git ../../../libpng-1.6.16/arm/arm_init.c arm/arm_init.c ---- ../../../libpng-1.6.16/arm/arm_init.c 2014-12-21 22:08:08.000000000 -0500 -+++ arm/arm_init.c 2014-12-22 17:33:57.556305506 -0500 -@@ -29,17 +29,17 @@ - * You may set the macro PNG_ARM_NEON_FILE to the file name of file containing - * a fragment of C source code which defines the png_have_neon function. There - * are a number of implementations in contrib/arm-neon, but the only one that - * has partial support is contrib/arm-neon/linux.c - a generic Linux +diff --git a/arm/arm_init.c b/arm/arm_init.c +--- a/arm/arm_init.c ++++ b/arm/arm_init.c +@@ -33,9 +33,9 @@ * implementation which reads /proc/cpufino. */ #ifndef PNG_ARM_NEON_FILE @@ -16,18 +12,10 @@ diff --git ../../../libpng-1.6.16/arm/arm_init.c arm/arm_init.c #endif #ifdef PNG_ARM_NEON_FILE - - #include /* for sig_atomic_t */ - static int png_have_neon(png_structp png_ptr); - #include PNG_ARM_NEON_FILE -diff --git ../../../libpng-1.6.16/arm/filter_neon.S arm/filter_neon.S ---- ../../../libpng-1.6.16/arm/filter_neon.S 2014-12-21 22:08:08.000000000 -0500 -+++ arm/filter_neon.S 2014-12-22 17:43:31.588323649 -0500 -@@ -5,16 +5,22 @@ - * Written by Mans Rullgard, 2011. - * Last changed in libpng 1.6.16 [December 22, 2014] - * - * This code is released under the libpng license. +diff --git a/arm/filter_neon.S b/arm/filter_neon.S +--- a/arm/filter_neon.S ++++ b/arm/filter_neon.S +@@ -9,8 +9,14 @@ * For conditions of distribution and use, see the disclaimer * and license in png.h */ @@ -42,7 +30,3 @@ diff --git ../../../libpng-1.6.16/arm/filter_neon.S arm/filter_neon.S * definitions (or not) of PNG_ARM_NEON_OPT and PNG_ARM_NEON_IMPLEMENTATION. */ #define PNG_VERSION_INFO_ONLY - #include "../pngpriv.h" - - #if defined(__linux__) && defined(__ELF__) - .section .note.GNU-stack,"",%progbits /* mark stack as non-executable */ diff --git a/media/libpng/intel/filter_sse2_intrinsics.c b/media/libpng/intel/filter_sse2_intrinsics.c index 5e8553fbb947a..ef1fc7d6b8d75 100644 --- a/media/libpng/intel/filter_sse2_intrinsics.c +++ b/media/libpng/intel/filter_sse2_intrinsics.c @@ -71,7 +71,7 @@ void png_read_filter_row_sub3_sse2(png_row_infop row_info, png_bytep row, * There is no pixel to the left of the first pixel. It's encoded directly. * That works with our main loop if we just say that left pixel was zero. */ - png_size_t rb; + size_t rb; __m128i a, d = _mm_setzero_si128(); @@ -104,7 +104,7 @@ void png_read_filter_row_sub4_sse2(png_row_infop row_info, png_bytep row, * There is no pixel to the left of the first pixel. It's encoded directly. * That works with our main loop if we just say that left pixel was zero. */ - png_size_t rb; + size_t rb; __m128i a, d = _mm_setzero_si128(); @@ -131,7 +131,7 @@ void png_read_filter_row_avg3_sse2(png_row_infop row_info, png_bytep row, * perfectly with our loop if we make sure a starts at zero. */ - png_size_t rb; + size_t rb; const __m128i zero = _mm_setzero_si128(); @@ -185,7 +185,7 @@ void png_read_filter_row_avg4_sse2(png_row_infop row_info, png_bytep row, * predicted to be half of the pixel above it. So again, this works * perfectly with our loop if we make sure a starts at zero. */ - png_size_t rb; + size_t rb; const __m128i zero = _mm_setzero_si128(); __m128i b; __m128i a, d = zero; @@ -257,7 +257,7 @@ void png_read_filter_row_paeth3_sse2(png_row_infop row_info, png_bytep row, * Here we zero b and d, which become c and a respectively at the start of * the loop. */ - png_size_t rb; + size_t rb; const __m128i zero = _mm_setzero_si128(); __m128i c, b = zero, a, d = zero; @@ -356,7 +356,7 @@ void png_read_filter_row_paeth4_sse2(png_row_infop row_info, png_bytep row, * Here we zero b and d, which become c and a respectively at the start of * the loop. */ - png_size_t rb; + size_t rb; const __m128i zero = _mm_setzero_si128(); __m128i pa,pb,pc,smallest,nearest; __m128i c, b = zero, diff --git a/media/libpng/libpng-manual.txt b/media/libpng/libpng-manual.txt index d4407ef2ea078..b14a534163bca 100644 --- a/media/libpng/libpng-manual.txt +++ b/media/libpng/libpng-manual.txt @@ -1,9 +1,8 @@ libpng-manual.txt - A description on how to use and modify libpng - libpng version 1.6.34 - September 29, 2017 + libpng version 1.6.35 - July 15, 2018 Updated and distributed by Glenn Randers-Pehrson - - Copyright (c) 1998-2017 Glenn Randers-Pehrson + Copyright (c) 1998-2018 Glenn Randers-Pehrson This document is released under the libpng license. For conditions of distribution and use, see the disclaimer @@ -11,7 +10,7 @@ libpng-manual.txt - A description on how to use and modify libpng Based on: - libpng versions 0.97, January 1998, through 1.6.34 - September 29, 2017 + libpng versions 0.97, January 1998, through 1.6.35 - July 15, 2018 Updated and distributed by Glenn Randers-Pehrson Copyright (c) 1998-2017 Glenn Randers-Pehrson @@ -348,18 +347,18 @@ Customizing libpng. FILE *fp = fopen(file_name, "rb"); if (!fp) { - return (ERROR); + return ERROR; } if (fread(header, 1, number, fp) != number) { - return (ERROR); + return ERROR; } is_png = !png_sig_cmp(header, 0, number); if (!is_png) { - return (NOT_PNG); + return NOT_PNG; } Next, png_struct and png_info need to be allocated and initialized. In @@ -378,7 +377,7 @@ create the structure, so your application should check for that. user_error_fn, user_warning_fn); if (!png_ptr) - return (ERROR); + return ERROR; png_infop info_ptr = png_create_info_struct(png_ptr); @@ -386,7 +385,7 @@ create the structure, so your application should check for that. { png_destroy_read_struct(&png_ptr, (png_infopp)NULL, (png_infopp)NULL); - return (ERROR); + return ERROR; } If you want to use your own memory allocation routines, @@ -421,7 +420,7 @@ free any memory. png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); fclose(fp); - return (ERROR); + return ERROR; } Pass (png_infopp)NULL instead of &end_info if you didn't create @@ -503,7 +502,7 @@ input stream. You must supply the function png_byte name[5]; png_byte *data; - png_size_t size; + size_t size; /* Note that libpng has already taken care of the CRC handling */ @@ -512,9 +511,9 @@ input stream. You must supply the function unknown chunk structure, process it, and return one of the following: */ - return (-n); /* chunk had an error */ - return (0); /* did not recognize */ - return (n); /* success */ + return -n; /* chunk had an error */ + return 0; /* did not recognize */ + return n; /* success */ } (You can give your function another name that you like instead of @@ -1003,7 +1002,7 @@ chunks to be assumed to be encoded using sRGB. png_set_alpha_mode(pp, PNG_ALPHA_PNG, PNG_GAMMA_MAC); In this case the output is assumed to be something like an sRGB conformant -display preceeded by a power-law lookup table of power 1.45. This is how +display preceded by a power-law lookup table of power 1.45. This is how early Mac systems behaved. png_set_alpha_mode(pp, PNG_ALPHA_STANDARD, PNG_GAMMA_LINEAR); @@ -1055,7 +1054,7 @@ faster.) When the default gamma of PNG files doesn't match the output gamma. If you have PNG files with no gamma information png_set_alpha_mode allows -you to provide a default gamma, but it also sets the ouput gamma to the +you to provide a default gamma, but it also sets the output gamma to the matching value. If you know your PNG files have a gamma that doesn't match the output you can take advantage of the fact that png_set_alpha_mode always sets the output gamma but only sets the PNG @@ -2409,7 +2408,7 @@ separate. { png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL); - return (ERROR); + return ERROR; } png_read_end(png_ptr, end_info); @@ -2549,7 +2548,7 @@ png_infop info_ptr; user_error_fn, user_warning_fn); if (!png_ptr) - return (ERROR); + return ERROR; info_ptr = png_create_info_struct(png_ptr); @@ -2557,14 +2556,14 @@ png_infop info_ptr; { png_destroy_read_struct(&png_ptr, (png_infopp)NULL, (png_infopp)NULL); - return (ERROR); + return ERROR; } if (setjmp(png_jmpbuf(png_ptr))) { png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL); - return (ERROR); + return ERROR; } /* This one's new. You can provide functions @@ -2598,7 +2597,7 @@ png_infop info_ptr; { png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL); - return (ERROR); + return ERROR; } /* This one's new also. Simply give it a chunk @@ -2742,7 +2741,7 @@ custom writing functions. See the discussion under Customizing libpng. FILE *fp = fopen(file_name, "wb"); if (!fp) - return (ERROR); + return ERROR; Next, png_struct and png_info need to be allocated and initialized. As these can be both relatively large, you may not want to store these @@ -2757,14 +2756,14 @@ both "png_ptr"; you can call them anything you like, such as user_error_fn, user_warning_fn); if (!png_ptr) - return (ERROR); + return ERROR; png_infop info_ptr = png_create_info_struct(png_ptr); if (!info_ptr) { png_destroy_write_struct(&png_ptr, (png_infopp)NULL); - return (ERROR); + return ERROR; } If you want to use your own memory allocation routines, @@ -2791,7 +2790,7 @@ section below for more information on the libpng error handling. { png_destroy_write_struct(&png_ptr, &info_ptr); fclose(fp); - return (ERROR); + return ERROR; } ... return; @@ -3779,7 +3778,7 @@ in-memory bitmap formats or to be written from the same formats. If these formats do not accommodate your needs then you can, and should, use the more sophisticated APIs above - these support a wide variety of in-memory formats and a wide variety of sophisticated transformations to those formats as well -as a wide variety of APIs to manipulate ancilliary information. +as a wide variety of APIs to manipulate ancillary information. To read a PNG file using the simplified API: @@ -4102,7 +4101,7 @@ READ APIs The PNG header is read from the stdio FILE object. int png_image_begin_read_from_memory(png_imagep image, - png_const_voidp memory, png_size_t size) + png_const_voidp memory, size_t size) The PNG header is read from the given memory buffer. @@ -4255,10 +4254,10 @@ png_get_io_ptr(). For example: The replacement I/O functions must have prototypes as follows: void user_read_data(png_structp png_ptr, - png_bytep data, png_size_t length); + png_bytep data, size_t length); void user_write_data(png_structp png_ptr, - png_bytep data, png_size_t length); + png_bytep data, size_t length); void user_flush_data(png_structp png_ptr); @@ -4784,7 +4783,7 @@ behavior in case the application runs out of memory part-way through the process. We changed the prototypes of png_get_compression_buffer_size() and -png_set_compression_buffer_size() to work with png_size_t instead of +png_set_compression_buffer_size() to work with size_t instead of png_uint_32. Support for numbered error messages was removed by default, since we @@ -5255,9 +5254,8 @@ or you can browse it with a web browser at https://github.com/glennrp/libpng or https://sourceforge.net/p/libpng/code/ci/libpng16/tree/ -Patches can be sent to glennrp at users.sourceforge.net or to -png-mng-implement at lists.sourceforge.net or you can upload them to -the libpng bug tracker at +Patches can be sent to png-mng-implement at lists.sourceforge.net or +you can upload them to the libpng bug tracker at https://libpng.sourceforge.io/ @@ -5266,9 +5264,9 @@ or as a "pull request" to https://github.com/glennrp/libpng/pulls We also accept patches built from the tar or zip distributions, and -simple verbal discriptions of bug fixes, reported either to the +simple verbal descriptions of bug fixes, reported either to the SourceForge bug tracker, to the png-mng-implement at lists.sf.net -mailing list, as github issues, or directly to glennrp. +mailing list, as github issues. XV. Coding style @@ -5289,7 +5287,7 @@ braces on separate lines: The braces can be omitted from simple one-line actions: if (condition) - return (0); + return 0; We use 3-space indentation, except for continued statements which are usually indented the same as the first line of the statement @@ -5414,7 +5412,7 @@ Since the PNG Development group is an ad-hoc body, we can't make an official declaration. This is your unofficial assurance that libpng from version 0.71 and -upward through 1.6.34 are Y2K compliant. It is my belief that earlier +upward through 1.6.35 are Y2K compliant. It is my belief that earlier versions were also Y2K compliant. Libpng only has two year fields. One is a 2-byte unsigned integer diff --git a/media/libpng/png.c b/media/libpng/png.c index ea7730231899a..7439fa3d789ae 100644 --- a/media/libpng/png.c +++ b/media/libpng/png.c @@ -1,8 +1,8 @@ /* png.c - location for general purpose libpng functions * - * Last changed in libpng 1.6.33 [September 28, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -14,7 +14,7 @@ #include "pngpriv.h" /* Generate a compiler error if there is an old png.h in the search path. */ -typedef png_libpng_version_1_6_34 Your_png_h_is_not_version_1_6_34; +typedef png_libpng_version_1_6_35 Your_png_h_is_not_version_1_6_35; #ifdef __GNUC__ /* The version tests may need to be added to, but the problem warning has @@ -71,7 +71,7 @@ png_set_sig_bytes(png_structrp png_ptr, int num_bytes) * PNG signature (this is the same behavior as strcmp, memcmp, etc). */ int PNGAPI -png_sig_cmp(png_const_bytep sig, png_size_t start, png_size_t num_to_check) +png_sig_cmp(png_const_bytep sig, size_t start, size_t num_to_check) { png_byte png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10}; @@ -136,7 +136,7 @@ png_reset_crc(png_structrp png_ptr) * trouble of calculating it. */ void /* PRIVATE */ -png_calculate_crc(png_structrp png_ptr, png_const_bytep ptr, png_size_t length) +png_calculate_crc(png_structrp png_ptr, png_const_bytep ptr, size_t length) { int need_crc = 1; @@ -421,7 +421,7 @@ png_destroy_info_struct(png_const_structrp png_ptr, png_infopp info_ptr_ptr) * those cases where it does anything other than a memset. */ PNG_FUNCTION(void,PNGAPI -png_info_init_3,(png_infopp ptr_ptr, png_size_t png_info_struct_size), +png_info_init_3,(png_infopp ptr_ptr, size_t png_info_struct_size), PNG_DEPRECATED) { png_inforp info_ptr = *ptr_ptr; @@ -816,21 +816,21 @@ png_get_copyright(png_const_structrp png_ptr) #else # ifdef __STDC__ return PNG_STRING_NEWLINE \ - "libpng version 1.6.34+apng - September 29, 2017" PNG_STRING_NEWLINE \ - "Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson" \ + "libpng version 1.6.35+apng - July 15, 2018" 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 \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ PNG_STRING_NEWLINE \ "Portions Copyright (c) 2006-2007 Andrew Smith" PNG_STRING_NEWLINE \ - "Portions Copyright (c) 2008-2017 Max Stepin" PNG_STRING_NEWLINE ; + "Portions Copyright (c) 2008-2018 Max Stepin" PNG_STRING_NEWLINE ; # else - return "libpng version 1.6.34+apng - September 29, 2017\ - Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson\ + return "libpng version 1.6.35+apng - July 15, 2018\ + 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.\ Portions Copyright (c) 2006-2007 Andrew Smith\ - Portions Copyright (c) 2008-2017 Max Stepin"; + Portions Copyright (c) 2008-2018 Max Stepin"; # endif #endif } @@ -946,7 +946,7 @@ png_handle_as_unknown(png_const_structrp png_ptr, png_const_bytep chunk_name) /* The code is the fifth byte after each four byte string. Historically this * code was always searched from the end of the list, this is no longer - * necessary because the 'set' routine handles duplicate entries correcty. + * necessary because the 'set' routine handles duplicate entries correctly. */ do /* num_chunk_list > 0, so at least one */ { @@ -2071,7 +2071,7 @@ png_icc_check_header(png_const_structrp png_ptr, png_colorspacerp colorspace, */ /* Data checks (could be skipped). These checks must be independent of the - * version number; however, the version number doesn't accomodate changes in + * version number; however, the version number doesn't accommodate changes in * the header fields (just the known tags and the interpretation of the * data.) */ @@ -2711,7 +2711,7 @@ png_check_IHDR(png_const_structrp png_ptr, #if defined(PNG_sCAL_SUPPORTED) || defined(PNG_pCAL_SUPPORTED) /* ASCII to fp functions */ -/* Check an ASCII formated floating point value, see the more detailed +/* Check an ASCII formatted floating point value, see the more detailed * comments in pngpriv.h */ /* The following is used internally to preserve the sticky flags */ @@ -2719,11 +2719,11 @@ png_check_IHDR(png_const_structrp png_ptr, #define png_fp_set(state, value) ((state) = (value) | ((state) & PNG_FP_STICKY)) int /* PRIVATE */ -png_check_fp_number(png_const_charp string, png_size_t size, int *statep, +png_check_fp_number(png_const_charp string, size_t size, int *statep, png_size_tp whereami) { int state = *statep; - png_size_t i = *whereami; + size_t i = *whereami; while (i < size) { @@ -2846,10 +2846,10 @@ png_check_fp_number(png_const_charp string, png_size_t size, int *statep, /* The same but for a complete string. */ int -png_check_fp_string(png_const_charp string, png_size_t size) +png_check_fp_string(png_const_charp string, size_t size) { int state=0; - png_size_t char_index=0; + size_t char_index=0; if (png_check_fp_number(string, size, &state, &char_index) != 0 && (char_index == size || string[char_index] == 0)) @@ -2910,7 +2910,7 @@ png_pow10(int power) #pragma GCC diagnostic warning "-Wstrict-overflow=2" #endif /* GCC_STRICT_OVERFLOW */ void /* PRIVATE */ -png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size, +png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, size_t size, double fp, unsigned int precision) { /* We use standard functions from math.h, but not printf because @@ -3241,7 +3241,7 @@ png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size, */ void /* PRIVATE */ png_ascii_from_fixed(png_const_structrp png_ptr, png_charp ascii, - png_size_t size, png_fixed_point fp) + size_t size, png_fixed_point fp) { /* Require space for 10 decimal digits, a decimal point, a minus sign and a * trailing \0, 13 characters: @@ -4348,7 +4348,7 @@ png_set_option(png_structrp png_ptr, int option, int onoff) png_uint_32 setting = (2U + (onoff != 0)) << option; png_uint_32 current = png_ptr->options; - png_ptr->options = (png_uint_32)(((current & ~mask) | setting) & 0xff); + png_ptr->options = (png_uint_32)((current & ~mask) | setting); return (int)(current & mask) >> option; } diff --git a/media/libpng/png.h b/media/libpng/png.h index 38befc3fe5ebc..b433d1928376b 100644 --- a/media/libpng/png.h +++ b/media/libpng/png.h @@ -1,9 +1,9 @@ /* png.h - header file for PNG reference library * - * libpng version 1.6.34, September 29, 2017 + * libpng version 1.6.35, July 15, 2018 * - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -12,7 +12,7 @@ * Authors and maintainers: * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger - * libpng versions 0.97, January 1998, through 1.6.34, September 29, 2017: + * libpng versions 0.97, January 1998, through 1.6.35, July 15, 2018: * Glenn Randers-Pehrson. * See also "Contributing Authors", below. */ @@ -31,8 +31,8 @@ * * This code is released under the libpng license. * - * libpng versions 1.0.7, July 1, 2000 through 1.6.34, September 29, 2017 are - * Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are + * libpng versions 1.0.7, July 1, 2000 through 1.6.35, July 15, 2018 are + * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are * derived from libpng-1.0.6, and are distributed according to the same * disclaimer and license as libpng-1.0.6 with the following individuals * added to the list of Contributing Authors: @@ -219,7 +219,7 @@ * ... * 1.5.30 15 10527 15.so.15.30[.0] * ... - * 1.6.34 16 10633 16.so.16.34[.0] + * 1.6.35 16 10635 16.so.16.35[.0] * * Henceforth the source version will match the shared-library major * and minor numbers; the shared-library major version number will be @@ -247,13 +247,13 @@ * Y2K compliance in libpng: * ========================= * - * September 29, 2017 + * July 15, 2018 * * Since the PNG Development group is an ad-hoc body, we can't make * an official declaration. * * This is your unofficial assurance that libpng from version 0.71 and - * upward through 1.6.34 are Y2K compliant. It is my belief that + * upward through 1.6.35 are Y2K compliant. It is my belief that * earlier versions were also Y2K compliant. * * Libpng only has two year fields. One is a 2-byte unsigned integer @@ -315,9 +315,9 @@ */ /* Version information for png.h - this should match the version in png.c */ -#define PNG_LIBPNG_VER_STRING "1.6.34+apng" +#define PNG_LIBPNG_VER_STRING "1.6.35+apng" #define PNG_HEADER_VERSION_STRING \ - " libpng version 1.6.34+apng - September 29, 2017\n" + " libpng version 1.6.35+apng - July 15, 2018\n" #define PNG_LIBPNG_VER_SONUM 16 #define PNG_LIBPNG_VER_DLLNUM 16 @@ -325,13 +325,13 @@ /* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */ #define PNG_LIBPNG_VER_MAJOR 1 #define PNG_LIBPNG_VER_MINOR 6 -#define PNG_LIBPNG_VER_RELEASE 34 +#define PNG_LIBPNG_VER_RELEASE 35 /* This should match the numeric part of the final component of * PNG_LIBPNG_VER_STRING, omitting any leading zero: */ -#define PNG_LIBPNG_VER_BUILD 0 +#define PNG_LIBPNG_VER_BUILD 02 /* Release Status */ #define PNG_LIBPNG_BUILD_ALPHA 1 @@ -348,7 +348,7 @@ #define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with PNG_LIBPNG_BUILD_PRIVATE */ -#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE +#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA /* Careful here. At one time, Guy wanted to use 082, but that would be octal. * We must not include leading zeros. @@ -356,7 +356,7 @@ * version 1.0.0 was mis-numbered 100 instead of 10000). From * version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release */ -#define PNG_LIBPNG_VER 10634 /* 1.6.34 */ +#define PNG_LIBPNG_VER 10635 /* 1.6.35 */ /* Library configuration: these options cannot be changed after * the library has been built. @@ -481,7 +481,7 @@ extern "C" { /* This triggers a compiler error in png.c, if png.c and png.h * do not agree upon the version number. */ -typedef char* png_libpng_version_1_6_34; +typedef char* png_libpng_version_1_6_35; /* Basic control structions. Read libpng-manual.txt or libpng.3 for more info. * @@ -622,8 +622,8 @@ typedef struct png_text_struct png_charp key; /* keyword, 1-79 character description of "text" */ png_charp text; /* comment, may be an empty string (ie "") or a NULL pointer */ - png_size_t text_length; /* length of the text string */ - png_size_t itxt_length; /* length of the itxt string */ + size_t text_length; /* length of the text string */ + size_t itxt_length; /* length of the itxt string */ png_charp lang; /* language code, 0-79 characters or a NULL pointer */ png_charp lang_key; /* keyword translated UTF-8 string, 0 or more @@ -676,7 +676,7 @@ typedef struct png_unknown_chunk_t { png_byte name[5]; /* Textual chunk name with '\0' terminator */ png_byte *data; /* Data, should not be modified on read! */ - png_size_t size; + size_t size; /* On write 'location' must be set using the flag values listed below. * Notice that on read it is set by libpng however the values stored have @@ -701,7 +701,7 @@ typedef png_unknown_chunk * * png_unknown_chunkpp; /* Maximum positive integer used in PNG is (2^31)-1 */ #define PNG_UINT_31_MAX ((png_uint_32)0x7fffffffL) #define PNG_UINT_32_MAX ((png_uint_32)(-1)) -#define PNG_SIZE_MAX ((png_size_t)(-1)) +#define PNG_SIZE_MAX ((size_t)(-1)) /* These are constants for fixed point values encoded in the * PNG specification manner (x100000) @@ -811,7 +811,7 @@ typedef png_unknown_chunk * * png_unknown_chunkpp; typedef struct png_row_info_struct { png_uint_32 width; /* width of row */ - png_size_t rowbytes; /* number of bytes in row */ + size_t rowbytes; /* number of bytes in row */ png_byte color_type; /* color type of row */ png_byte bit_depth; /* bit depth of row */ png_byte channels; /* number of channels (1, 2, 3, or 4) */ @@ -830,7 +830,7 @@ typedef png_row_info * * png_row_infopp; * expected to return the read data in the buffer. */ typedef PNG_CALLBACK(void, *png_error_ptr, (png_structp, png_const_charp)); -typedef PNG_CALLBACK(void, *png_rw_ptr, (png_structp, png_bytep, png_size_t)); +typedef PNG_CALLBACK(void, *png_rw_ptr, (png_structp, png_bytep, size_t)); typedef PNG_CALLBACK(void, *png_flush_ptr, (png_structp)); typedef PNG_CALLBACK(void, *png_read_status_ptr, (png_structp, png_uint_32, int)); @@ -971,8 +971,8 @@ PNG_EXPORT(2, void, png_set_sig_bytes, (png_structrp png_ptr, int num_bytes)); * signature, and non-zero otherwise. Having num_to_check == 0 or * start > 7 will always fail (ie return non-zero). */ -PNG_EXPORT(3, int, png_sig_cmp, (png_const_bytep sig, png_size_t start, - png_size_t num_to_check)); +PNG_EXPORT(3, int, png_sig_cmp, (png_const_bytep sig, size_t start, + size_t num_to_check)); /* Simple signature checking function. This is the same as calling * png_check_sig(sig, n) := !png_sig_cmp(sig, 0, n). @@ -991,11 +991,11 @@ PNG_EXPORTA(5, png_structp, png_create_write_struct, png_error_ptr warn_fn), PNG_ALLOCATED); -PNG_EXPORT(6, png_size_t, png_get_compression_buffer_size, +PNG_EXPORT(6, size_t, png_get_compression_buffer_size, (png_const_structrp png_ptr)); PNG_EXPORT(7, void, png_set_compression_buffer_size, (png_structrp png_ptr, - png_size_t size)); + size_t size)); /* Moved from pngconf.h in 1.4.0 and modified to ensure setjmp/longjmp * match up. @@ -1048,7 +1048,7 @@ PNG_EXPORT(13, void, png_write_sig, (png_structrp png_ptr)); /* Write a PNG chunk - size, type, (optional) data, CRC. */ PNG_EXPORT(14, void, png_write_chunk, (png_structrp png_ptr, png_const_bytep - chunk_name, png_const_bytep data, png_size_t length)); + chunk_name, png_const_bytep data, size_t length)); /* Write the start of a PNG chunk - length and chunk name. */ PNG_EXPORT(15, void, png_write_chunk_start, (png_structrp png_ptr, @@ -1056,7 +1056,7 @@ PNG_EXPORT(15, void, png_write_chunk_start, (png_structrp png_ptr, /* Write the data of a PNG chunk started with png_write_chunk_start(). */ PNG_EXPORT(16, void, png_write_chunk_data, (png_structrp png_ptr, - png_const_bytep data, png_size_t length)); + png_const_bytep data, size_t length)); /* Finish a chunk started with png_write_chunk_start() (includes CRC). */ PNG_EXPORT(17, void, png_write_chunk_end, (png_structrp png_ptr)); @@ -1070,7 +1070,7 @@ PNG_EXPORTA(18, png_infop, png_create_info_struct, (png_const_structrp png_ptr), * the API will be removed in the future. */ PNG_EXPORTA(19, void, png_info_init_3, (png_infopp info_ptr, - png_size_t png_info_struct_size), PNG_DEPRECATED); + size_t png_info_struct_size), PNG_DEPRECATED); /* Writes all the PNG information before the image. */ PNG_EXPORT(20, void, png_write_info_before_PLTE, @@ -1167,7 +1167,7 @@ PNG_EXPORT(35, void, png_build_grayscale_palette, (int bit_depth, * corresponding composited pixel, and the color channels are unassociated * (not premultiplied). The gamma encoded color channels must be scaled * according to the contribution and to do this it is necessary to undo - * the encoding, scale the color values, perform the composition and reencode + * the encoding, scale the color values, perform the composition and re-encode * the values. This is the 'PNG' mode. * * The alternative is to 'associate' the alpha with the color information by @@ -1223,7 +1223,7 @@ PNG_FIXED_EXPORT(228, void, png_set_alpha_mode_fixed, (png_structrp png_ptr, * * png_set_alpha_mode(pp, PNG_ALPHA_PNG, PNG_GAMMA_MAC); * In this case the output is assumed to be something like an sRGB conformant - * display preceeded by a power-law lookup table of power 1.45. This is how + * display preceded by a power-law lookup table of power 1.45. This is how * early Mac systems behaved. * * png_set_alpha_mode(pp, PNG_ALPHA_STANDARD, PNG_GAMMA_LINEAR); @@ -1270,7 +1270,7 @@ PNG_FIXED_EXPORT(228, void, png_set_alpha_mode_fixed, (png_structrp png_ptr, * * When the default gamma of PNG files doesn't match the output gamma. * If you have PNG files with no gamma information png_set_alpha_mode allows - * you to provide a default gamma, but it also sets the ouput gamma to the + * you to provide a default gamma, but it also sets the output gamma to the * matching value. If you know your PNG files have a gamma that doesn't * match the output you can take advantage of the fact that * png_set_alpha_mode always sets the output gamma but only sets the PNG @@ -1721,7 +1721,7 @@ PNG_EXPORT(218, png_byte, png_get_current_pass_number, (png_const_structrp)); * chunk will cause an error at this point unless it is to be saved. * positive: The chunk was handled, libpng will ignore/discard it. * - * See "INTERACTION WTIH USER CHUNK CALLBACKS" below for important notes about + * See "INTERACTION WITH USER CHUNK CALLBACKS" below for important notes about * how this behavior will change in libpng 1.7 */ PNG_EXPORT(88, void, png_set_read_user_chunk_fn, (png_structrp png_ptr, @@ -1746,7 +1746,7 @@ PNG_EXPORT(91, png_voidp, png_get_progressive_ptr, /* Function to be called when data becomes available */ PNG_EXPORT(92, void, png_process_data, (png_structrp png_ptr, - png_inforp info_ptr, png_bytep buffer, png_size_t buffer_size)); + png_inforp info_ptr, png_bytep buffer, size_t buffer_size)); /* A function which may be called *only* within png_process_data to stop the * processing of any more data. The function returns the number of bytes @@ -1755,7 +1755,7 @@ PNG_EXPORT(92, void, png_process_data, (png_structrp png_ptr, * 'save' is set to true the routine will first save all the pending data and * will always return 0. */ -PNG_EXPORT(219, png_size_t, png_process_data_pause, (png_structrp, int save)); +PNG_EXPORT(219, size_t, png_process_data_pause, (png_structrp, int save)); /* A function which may be called *only* outside (after) a call to * png_process_data. It returns the number of bytes of data to skip in the @@ -1900,7 +1900,7 @@ PNG_EXPORT(110, png_uint_32, png_get_valid, (png_const_structrp png_ptr, png_const_inforp info_ptr, png_uint_32 flag)); /* Returns number of bytes needed to hold a transformed row. */ -PNG_EXPORT(111, png_size_t, png_get_rowbytes, (png_const_structrp png_ptr, +PNG_EXPORT(111, size_t, png_get_rowbytes, (png_const_structrp png_ptr, png_const_inforp info_ptr)); #ifdef PNG_INFO_IMAGE_SUPPORTED @@ -2269,7 +2269,7 @@ PNG_EXPORT(171, void, png_set_sCAL_s, (png_const_structrp png_ptr, * to specifying "NEVER", however when "AS_DEFAULT" is used for specific chunks * it simply resets the behavior to the libpng default. * - * INTERACTION WTIH USER CHUNK CALLBACKS: + * INTERACTION WITH USER CHUNK CALLBACKS: * The per-chunk handling is always used when there is a png_user_chunk_ptr * callback and the callback returns 0; the chunk is then always stored *unless* * it is critical and the per-chunk setting is other than ALWAYS. Notice that @@ -2688,7 +2688,7 @@ PNG_EXPORT(243, int, png_get_palette_max, (png_const_structp png_ptr, * The simplified API hides the details of both libpng and the PNG file format * itself. It allows PNG files to be read into a very limited number of * in-memory bitmap formats or to be written from the same formats. If these - * formats do not accomodate your needs then you can, and should, use the more + * formats do not accommodate your needs then you can, and should, use the more * sophisticated APIs above - these support a wide variety of in-memory formats * and a wide variety of sophisticated transformations to those formats as well * as a wide variety of APIs to manipulate ancillary information. @@ -3050,7 +3050,7 @@ PNG_EXPORT(235, int, png_image_begin_read_from_stdio, (png_imagep image, #endif /* STDIO */ PNG_EXPORT(236, int, png_image_begin_read_from_memory, (png_imagep image, - png_const_voidp memory, png_size_t size)); + png_const_voidp memory, size_t size)); /* The PNG header is read from the given memory buffer. */ PNG_EXPORT(237, int, png_image_finish_read, (png_imagep image, @@ -3163,7 +3163,7 @@ PNG_EXPORT(245, int, png_image_write_to_memory, (png_imagep image, void *memory, * than or equal to the original value. * * If the function returns false and *memory_bytes was not changed an error - * occured during write. If *memory_bytes was changed, or is not 0 if + * occurred during write. If *memory_bytes was changed, or is not 0 if * 'memory' was NULL, the write would have succeeded but for the memory * buffer being too small. *memory_bytes contains the required number of * bytes and will be bigger that the original value. @@ -3247,7 +3247,7 @@ PNG_EXPORT(245, int, png_image_write_to_memory, (png_imagep image, void *memory, * option and 'onoff' is 0 (off) or non-0 (on). The value returned is given * by the PNG_OPTION_ defines below. * - * HARDWARE: normally hardware capabilites, such as the Intel SSE instructions, + * HARDWARE: normally hardware capabilities, such as the Intel SSE instructions, * are detected at run time, however sometimes it may be impossible * to do this in user mode, in which case it is necessary to discover * the capabilities in an OS specific way. Such capabilities are diff --git a/media/libpng/pngconf.h b/media/libpng/pngconf.h index d13b13e57ae35..a4646bab85854 100644 --- a/media/libpng/pngconf.h +++ b/media/libpng/pngconf.h @@ -1,9 +1,9 @@ /* pngconf.h - machine configurable file for libpng * - * libpng version 1.6.34, September 29, 2017 + * libpng version 1.6.35, July 15, 2018 * - * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2016,2018 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.) * @@ -127,7 +127,7 @@ * * These cases only differ if the operating system does not use the C * calling convention, at present this just means the above cases - * (x86 DOS/Windows sytems) and, even then, this does not apply to + * (x86 DOS/Windows systems) and, even then, this does not apply to * Cygwin running on those systems. * * Note that the value must be defined in pnglibconf.h so that what @@ -515,8 +515,10 @@ # error "libpng requires an unsigned 32-bit (or more) type" #endif -/* Prior to 1.6.0 it was possible to disable the use of size_t, 1.6.0, however, - * requires an ISOC90 compiler and relies on consistent behavior of sizeof. +/* Prior to 1.6.0, it was possible to disable the use of size_t and ptrdiff_t. + * From 1.6.0 onwards, an ISO C90 compiler, as well as a standard-compliant + * behavior of sizeof and ptrdiff_t are required. + * The legacy typedefs are provided here for backwards compatibility. */ typedef size_t png_size_t; typedef ptrdiff_t png_ptrdiff_t; @@ -537,13 +539,12 @@ typedef ptrdiff_t png_ptrdiff_t; # endif #endif -/* png_alloc_size_t is guaranteed to be no smaller than png_size_t, and no - * smaller than png_uint_32. Casts from png_size_t or png_uint_32 to - * png_alloc_size_t are not necessary; in fact, it is recommended not to use - * them at all so that the compiler can complain when something turns out to be - * problematic. +/* png_alloc_size_t is guaranteed to be no smaller than size_t, and no smaller + * than png_uint_32. Casts from size_t or png_uint_32 to png_alloc_size_t are + * not necessary; in fact, it is recommended not to use them at all, so that + * the compiler can complain when something turns out to be problematic. * - * Casts in the other direction (from png_alloc_size_t to png_size_t or + * Casts in the other direction (from png_alloc_size_t to size_t or * png_uint_32) should be explicitly applied; however, we do not expect to * encounter practical situations that require such conversions. * @@ -553,7 +554,7 @@ typedef ptrdiff_t png_ptrdiff_t; #ifdef PNG_SMALL_SIZE_T typedef png_uint_32 png_alloc_size_t; #else - typedef png_size_t png_alloc_size_t; + typedef size_t png_alloc_size_t; #endif /* Prior to 1.6.0 libpng offered limited support for Microsoft C compiler @@ -589,8 +590,8 @@ typedef char * png_charp; typedef const char * png_const_charp; typedef png_fixed_point * png_fixed_point_p; typedef const png_fixed_point * png_const_fixed_point_p; -typedef png_size_t * png_size_tp; -typedef const png_size_t * png_const_size_tp; +typedef size_t * png_size_tp; +typedef const size_t * png_const_size_tp; #ifdef PNG_STDIO_SUPPORTED typedef FILE * png_FILE_p; diff --git a/media/libpng/pngget.c b/media/libpng/pngget.c index 288aaa64875b4..6e1e5f6217b0b 100644 --- a/media/libpng/pngget.c +++ b/media/libpng/pngget.c @@ -1,8 +1,8 @@ /* pngget.c - retrieval of values from info struct * - * Last changed in libpng 1.6.32 [August 24, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -26,7 +26,7 @@ png_get_valid(png_const_structrp png_ptr, png_const_inforp info_ptr, return(0); } -png_size_t PNGAPI +size_t PNGAPI png_get_rowbytes(png_const_structrp png_ptr, png_const_inforp info_ptr) { if (png_ptr != NULL && info_ptr != NULL) @@ -367,7 +367,7 @@ png_get_y_pixels_per_inch(png_const_structrp png_ptr, png_const_inforp info_ptr) static png_fixed_point png_fixed_inches_from_microns(png_const_structrp png_ptr, png_int_32 microns) { - /* Convert from metres * 1,000,000 to inches * 100,000, meters to + /* Convert from meters * 1,000,000 to inches * 100,000, meters to * inches is simply *(100/2.54), so we want *(10/2.54) == 500/127. * Notice that this can overflow - a warning is output and 0 is * returned. @@ -741,8 +741,7 @@ png_get_iCCP(png_const_structrp png_ptr, png_inforp info_ptr, if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_iCCP) != 0 && - name != NULL && compression_type != NULL && profile != NULL && - proflen != NULL) + name != NULL && profile != NULL && proflen != NULL) { *name = info_ptr->iccp_name; *profile = info_ptr->iccp_profile; @@ -750,11 +749,13 @@ png_get_iCCP(png_const_structrp png_ptr, png_inforp info_ptr, /* This is somewhat irrelevant since the profile data returned has * actually been uncompressed. */ - *compression_type = PNG_COMPRESSION_TYPE_BASE; + if (compression_type != NULL) + *compression_type = PNG_COMPRESSION_TYPE_BASE; return (PNG_INFO_iCCP); } return (0); + } #endif @@ -1164,7 +1165,7 @@ png_get_user_chunk_ptr(png_const_structrp png_ptr) } #endif -png_size_t PNGAPI +size_t PNGAPI png_get_compression_buffer_size(png_const_structrp png_ptr) { if (png_ptr == NULL) diff --git a/media/libpng/pnginfo.h b/media/libpng/pnginfo.h index 233ee1a7be124..30007a8fccab2 100644 --- a/media/libpng/pnginfo.h +++ b/media/libpng/pnginfo.h @@ -1,8 +1,8 @@ /* pnginfo.h - header file for PNG reference library * - * Last changed in libpng 1.6.1 [March 28, 2013] - * Copyright (c) 1998-2002,2004,2006-2013 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2013,2018 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.) * @@ -55,10 +55,10 @@ struct png_info_def { /* The following are necessary for every PNG file */ - png_uint_32 width; /* width of image in pixels (from IHDR) */ - png_uint_32 height; /* height of image in pixels (from IHDR) */ - png_uint_32 valid; /* valid chunk data (see PNG_INFO_ below) */ - png_size_t rowbytes; /* bytes needed to hold an untransformed row */ + png_uint_32 width; /* width of image in pixels (from IHDR) */ + png_uint_32 height; /* height of image in pixels (from IHDR) */ + png_uint_32 valid; /* valid chunk data (see PNG_INFO_ below) */ + size_t rowbytes; /* bytes needed to hold an untransformed row */ png_colorp palette; /* array of color values (valid & PNG_INFO_PLTE) */ png_uint_16 num_palette; /* number of color entries in "palette" (PLTE) */ png_uint_16 num_trans; /* number of transparent palette color (tRNS) */ @@ -247,7 +247,7 @@ defined(PNG_READ_BACKGROUND_SUPPORTED) /* The sCAL chunk describes the actual physical dimensions of the * subject matter of the graphic. The chunk contains a unit specification * a byte value, and two ASCII strings representing floating-point - * values. The values are width and height corresponsing to one pixel + * values. The values are width and height corresponding to one pixel * in the image. Data values are valid if (valid & PNG_INFO_sCAL) is * non-zero. */ diff --git a/media/libpng/pngpread.c b/media/libpng/pngpread.c index ee6617996edfd..9cf5a072c895b 100644 --- a/media/libpng/pngpread.c +++ b/media/libpng/pngpread.c @@ -1,8 +1,8 @@ /* pngpread.c - read a png file in push mode * - * Last changed in libpng 1.6.32 [August 24, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -34,7 +34,7 @@ if (png_ptr->buffer_size < N) \ void PNGAPI png_process_data(png_structrp png_ptr, png_inforp info_ptr, - png_bytep buffer, png_size_t buffer_size) + png_bytep buffer, size_t buffer_size) { if (png_ptr == NULL || info_ptr == NULL) return; @@ -47,7 +47,7 @@ png_process_data(png_structrp png_ptr, png_inforp info_ptr, } } -png_size_t PNGAPI +size_t PNGAPI png_process_data_pause(png_structrp png_ptr, int save) { if (png_ptr != NULL) @@ -60,7 +60,7 @@ png_process_data_pause(png_structrp png_ptr, int save) else { /* This includes any pending saved bytes: */ - png_size_t remaining = png_ptr->buffer_size; + size_t remaining = png_ptr->buffer_size; png_ptr->buffer_size = 0; /* So subtract the saved buffer size, unless all the data @@ -133,8 +133,8 @@ png_process_some_data(png_structrp png_ptr, png_inforp info_ptr) void /* PRIVATE */ png_push_read_sig(png_structrp png_ptr, png_inforp info_ptr) { - png_size_t num_checked = png_ptr->sig_bytes, /* SAFE, does not exceed 8 */ - num_to_check = 8 - num_checked; + size_t num_checked = png_ptr->sig_bytes; /* SAFE, does not exceed 8 */ + size_t num_to_check = 8 - num_checked; if (png_ptr->buffer_size < num_to_check) { @@ -518,7 +518,7 @@ png_push_read_chunk(png_structrp png_ptr, png_inforp info_ptr) } void PNGCBAPI -png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length) +png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, size_t length) { png_bytep ptr; @@ -528,7 +528,7 @@ png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length) ptr = buffer; if (png_ptr->save_buffer_size != 0) { - png_size_t save_size; + size_t save_size; if (length < png_ptr->save_buffer_size) save_size = length; @@ -545,7 +545,7 @@ png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length) } if (length != 0 && png_ptr->current_buffer_size != 0) { - png_size_t save_size; + size_t save_size; if (length < png_ptr->current_buffer_size) save_size = length; @@ -567,7 +567,7 @@ png_push_save_buffer(png_structrp png_ptr) { if (png_ptr->save_buffer_ptr != png_ptr->save_buffer) { - png_size_t i, istop; + size_t i, istop; png_bytep sp; png_bytep dp; @@ -582,7 +582,7 @@ png_push_save_buffer(png_structrp png_ptr) if (png_ptr->save_buffer_size + png_ptr->current_buffer_size > png_ptr->save_buffer_max) { - png_size_t new_max; + size_t new_max; png_bytep old_buffer; if (png_ptr->save_buffer_size > PNG_SIZE_MAX - @@ -594,7 +594,7 @@ png_push_save_buffer(png_structrp png_ptr) new_max = png_ptr->save_buffer_size + png_ptr->current_buffer_size + 256; old_buffer = png_ptr->save_buffer; png_ptr->save_buffer = (png_bytep)png_malloc_warn(png_ptr, - (png_size_t)new_max); + (size_t)new_max); if (png_ptr->save_buffer == NULL) { @@ -622,7 +622,7 @@ png_push_save_buffer(png_structrp png_ptr) void /* PRIVATE */ png_push_restore_buffer(png_structrp png_ptr, png_bytep buffer, - png_size_t buffer_length) + size_t buffer_length) { png_ptr->current_buffer = buffer; png_ptr->current_buffer_size = buffer_length; @@ -709,7 +709,7 @@ png_push_read_IDAT(png_structrp png_ptr) if (png_ptr->idat_size != 0 && png_ptr->save_buffer_size != 0) { - png_size_t save_size = png_ptr->save_buffer_size; + size_t save_size = png_ptr->save_buffer_size; png_uint_32 idat_size = png_ptr->idat_size; /* We want the smaller of 'idat_size' and 'current_buffer_size', but they @@ -719,7 +719,7 @@ png_push_read_IDAT(png_structrp png_ptr) * will break on either 16-bit or 64-bit platforms. */ if (idat_size < save_size) - save_size = (png_size_t)idat_size; + save_size = (size_t)idat_size; else idat_size = (png_uint_32)save_size; @@ -736,7 +736,7 @@ png_push_read_IDAT(png_structrp png_ptr) if (png_ptr->idat_size != 0 && png_ptr->current_buffer_size != 0) { - png_size_t save_size = png_ptr->current_buffer_size; + size_t save_size = png_ptr->current_buffer_size; png_uint_32 idat_size = png_ptr->idat_size; /* We want the smaller of 'idat_size' and 'current_buffer_size', but they @@ -745,7 +745,7 @@ png_push_read_IDAT(png_structrp png_ptr) * larger - this cannot overflow. */ if (idat_size < save_size) - save_size = (png_size_t)idat_size; + save_size = (size_t)idat_size; else idat_size = (png_uint_32)save_size; @@ -772,7 +772,7 @@ png_push_read_IDAT(png_structrp png_ptr) void /* PRIVATE */ png_process_IDAT_data(png_structrp png_ptr, png_bytep buffer, - png_size_t buffer_length) + size_t buffer_length) { /* The caller checks for a non-zero buffer length. */ if (!(buffer_length > 0) || buffer == NULL) diff --git a/media/libpng/pngpriv.h b/media/libpng/pngpriv.h index 2262c06715698..4e8aeaaf37d0e 100644 --- a/media/libpng/pngpriv.h +++ b/media/libpng/pngpriv.h @@ -1,8 +1,8 @@ /* pngpriv.h - private declarations for use inside libpng * - * Last changed in libpng 1.6.32 [August 24, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -210,7 +210,11 @@ defined(__SSE2__) || defined(_M_X64) || defined(_M_AMD64) || \ (defined(_M_IX86_FP) && _M_IX86_FP >= 2) # define PNG_INTEL_SSE_OPT 1 +# else +# define PNG_INTEL_SSE_OPT 0 # endif +# else +# define PNG_INTEL_SSE_OPT 0 # endif #endif @@ -234,6 +238,8 @@ # if PNG_INTEL_SSE_IMPLEMENTATION > 0 # define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_sse2 # endif +#else +# define PNG_INTEL_SSE_IMPLEMENTATION 0 #endif #if PNG_MIPS_MSA_OPT > 0 @@ -732,8 +738,8 @@ /* Added to libpng-1.2.6 JB */ #define PNG_ROWBYTES(pixel_bits, width) \ ((pixel_bits) >= 8 ? \ - ((png_size_t)(width) * (((png_size_t)(pixel_bits)) >> 3)) : \ - (( ((png_size_t)(width) * ((png_size_t)(pixel_bits))) + 7) >> 3) ) + ((size_t)(width) * (((size_t)(pixel_bits)) >> 3)) : \ + (( ((size_t)(width) * ((size_t)(pixel_bits))) + 7) >> 3) ) /* This returns the number of trailing bits in the last byte of a row, 0 if the * last byte is completely full of pixels. It is, in principle, (pixel_bits x @@ -931,7 +937,7 @@ * PNG files the -I directives must match. * * The most likely explanation is that you passed a -I in CFLAGS. This will - * not work; all the preprocessor directories and in particular all the -I + * not work; all the preprocessor directives and in particular all the -I * directives must be in CPPFLAGS. */ #endif @@ -1060,15 +1066,15 @@ PNG_INTERNAL_FUNCTION(void,png_zfree,(voidpf png_ptr, voidpf ptr),PNG_EMPTY); */ PNG_INTERNAL_FUNCTION(void PNGCBAPI,png_default_read_data,(png_structp png_ptr, - png_bytep data, png_size_t length),PNG_EMPTY); + png_bytep data, size_t length),PNG_EMPTY); #ifdef PNG_PROGRESSIVE_READ_SUPPORTED PNG_INTERNAL_FUNCTION(void PNGCBAPI,png_push_fill_buffer,(png_structp png_ptr, - png_bytep buffer, png_size_t length),PNG_EMPTY); + png_bytep buffer, size_t length),PNG_EMPTY); #endif PNG_INTERNAL_FUNCTION(void PNGCBAPI,png_default_write_data,(png_structp png_ptr, - png_bytep data, png_size_t length),PNG_EMPTY); + png_bytep data, size_t length),PNG_EMPTY); #ifdef PNG_WRITE_FLUSH_SUPPORTED # ifdef PNG_STDIO_SUPPORTED @@ -1082,7 +1088,7 @@ PNG_INTERNAL_FUNCTION(void,png_reset_crc,(png_structrp png_ptr),PNG_EMPTY); /* Write the "data" buffer to whatever output you are using */ PNG_INTERNAL_FUNCTION(void,png_write_data,(png_structrp png_ptr, - png_const_bytep data, png_size_t length),PNG_EMPTY); + png_const_bytep data, size_t length),PNG_EMPTY); /* Read and check the PNG file signature */ PNG_INTERNAL_FUNCTION(void,png_read_sig,(png_structrp png_ptr, @@ -1094,7 +1100,7 @@ PNG_INTERNAL_FUNCTION(png_uint_32,png_read_chunk_header,(png_structrp png_ptr), /* Read data from whatever input you are using into the "data" buffer */ PNG_INTERNAL_FUNCTION(void,png_read_data,(png_structrp png_ptr, png_bytep data, - png_size_t length),PNG_EMPTY); + size_t length),PNG_EMPTY); /* Read bytes into buf, and update png_ptr->crc */ PNG_INTERNAL_FUNCTION(void,png_crc_read,(png_structrp png_ptr, png_bytep buf, @@ -1112,7 +1118,7 @@ PNG_INTERNAL_FUNCTION(int,png_crc_error,(png_structrp png_ptr),PNG_EMPTY); * since this is the maximum buffer size we can specify. */ PNG_INTERNAL_FUNCTION(void,png_calculate_crc,(png_structrp png_ptr, - png_const_bytep ptr, png_size_t length),PNG_EMPTY); + png_const_bytep ptr, size_t length),PNG_EMPTY); #ifdef PNG_WRITE_FLUSH_SUPPORTED PNG_INTERNAL_FUNCTION(void,png_flush,(png_structrp png_ptr),PNG_EMPTY); @@ -1195,7 +1201,7 @@ PNG_INTERNAL_FUNCTION(void,png_write_hIST,(png_structrp png_ptr, /* Chunks that have keywords */ #ifdef PNG_WRITE_tEXt_SUPPORTED PNG_INTERNAL_FUNCTION(void,png_write_tEXt,(png_structrp png_ptr, - png_const_charp key, png_const_charp text, png_size_t text_len),PNG_EMPTY); + png_const_charp key, png_const_charp text, size_t text_len),PNG_EMPTY); #endif #ifdef PNG_WRITE_zTXt_SUPPORTED @@ -1588,10 +1594,10 @@ PNG_INTERNAL_FUNCTION(void,png_push_check_crc,(png_structrp png_ptr),PNG_EMPTY); PNG_INTERNAL_FUNCTION(void,png_push_save_buffer,(png_structrp png_ptr), PNG_EMPTY); PNG_INTERNAL_FUNCTION(void,png_push_restore_buffer,(png_structrp png_ptr, - png_bytep buffer, png_size_t buffer_length),PNG_EMPTY); + png_bytep buffer, size_t buffer_length),PNG_EMPTY); PNG_INTERNAL_FUNCTION(void,png_push_read_IDAT,(png_structrp png_ptr),PNG_EMPTY); PNG_INTERNAL_FUNCTION(void,png_process_IDAT_data,(png_structrp png_ptr, - png_bytep buffer, png_size_t buffer_length),PNG_EMPTY); + png_bytep buffer, size_t buffer_length),PNG_EMPTY); PNG_INTERNAL_FUNCTION(void,png_push_process_row,(png_structrp png_ptr), PNG_EMPTY); PNG_INTERNAL_FUNCTION(void,png_push_handle_unknown,(png_structrp png_ptr, @@ -1904,13 +1910,13 @@ PNG_INTERNAL_FUNCTION(void,png_chunk_report,(png_const_structrp png_ptr, #ifdef PNG_FLOATING_POINT_SUPPORTED PNG_INTERNAL_FUNCTION(void,png_ascii_from_fp,(png_const_structrp png_ptr, - png_charp ascii, png_size_t size, double fp, unsigned int precision), + png_charp ascii, size_t size, double fp, unsigned int precision), PNG_EMPTY); #endif /* FLOATING_POINT */ #ifdef PNG_FIXED_POINT_SUPPORTED PNG_INTERNAL_FUNCTION(void,png_ascii_from_fixed,(png_const_structrp png_ptr, - png_charp ascii, png_size_t size, png_fixed_point fp),PNG_EMPTY); + png_charp ascii, size_t size, png_fixed_point fp),PNG_EMPTY); #endif /* FIXED_POINT */ #endif /* sCAL */ @@ -2003,7 +2009,7 @@ PNG_INTERNAL_FUNCTION(void,png_ascii_from_fixed,(png_const_structrp png_ptr, * the problem character.) This has not been tested within libpng. */ PNG_INTERNAL_FUNCTION(int,png_check_fp_number,(png_const_charp string, - png_size_t size, int *statep, png_size_tp whereami),PNG_EMPTY); + size_t size, int *statep, png_size_tp whereami),PNG_EMPTY); /* This is the same but it checks a complete string and returns true * only if it just contains a floating point number. As of 1.5.4 this @@ -2012,7 +2018,7 @@ PNG_INTERNAL_FUNCTION(int,png_check_fp_number,(png_const_charp string, * for negative or zero values using the sticky flag. */ PNG_INTERNAL_FUNCTION(int,png_check_fp_string,(png_const_charp string, - png_size_t size),PNG_EMPTY); + size_t size),PNG_EMPTY); #endif /* pCAL || sCAL */ #if defined(PNG_GAMMA_SUPPORTED) ||\ @@ -2087,7 +2093,7 @@ typedef struct png_control png_voidp error_buf; /* Always a jmp_buf at present. */ png_const_bytep memory; /* Memory buffer. */ - png_size_t size; /* Size of the memory buffer. */ + size_t size; /* Size of the memory buffer. */ unsigned int for_write :1; /* Otherwise it is a read structure */ unsigned int owned_file :1; /* We own the file in io_ptr */ diff --git a/media/libpng/pngread.c b/media/libpng/pngread.c index 98ff0940be4fb..86db4dc30f170 100644 --- a/media/libpng/pngread.c +++ b/media/libpng/pngread.c @@ -1,8 +1,8 @@ /* pngread.c - read a PNG file * - * Last changed in libpng 1.6.33 [September 28, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -1612,7 +1612,7 @@ png_image_begin_read_from_file(png_imagep image, const char *file_name) #endif /* STDIO */ static void PNGCBAPI -png_image_memory_read(png_structp png_ptr, png_bytep out, png_size_t need) +png_image_memory_read(png_structp png_ptr, png_bytep out, size_t need) { if (png_ptr != NULL) { @@ -1623,7 +1623,7 @@ png_image_memory_read(png_structp png_ptr, png_bytep out, png_size_t need) if (cp != NULL) { png_const_bytep memory = cp->memory; - png_size_t size = cp->size; + size_t size = cp->size; if (memory != NULL && size >= need) { @@ -1642,7 +1642,7 @@ png_image_memory_read(png_structp png_ptr, png_bytep out, png_size_t need) } int PNGAPI png_image_begin_read_from_memory(png_imagep image, - png_const_voidp memory, png_size_t size) + png_const_voidp memory, size_t size) { if (image != NULL && image->version == PNG_IMAGE_VERSION) { @@ -4230,7 +4230,7 @@ png_image_finish_read(png_imagep image, png_const_colorp background, * * NOTE: this will be changed in 1.7 because PNG_IMAGE_BUFFER_SIZE * will be changed to use png_alloc_size_t; bigger images can be - * accomodated on 64-bit systems. + * accommodated on 64-bit systems. */ if (image->height <= 0xffffffffU/PNG_IMAGE_PIXEL_COMPONENT_SIZE(image->format)/check) diff --git a/media/libpng/pngrio.c b/media/libpng/pngrio.c index 7e26e855ca88d..372221483fe8e 100644 --- a/media/libpng/pngrio.c +++ b/media/libpng/pngrio.c @@ -1,8 +1,8 @@ /* pngrio.c - functions for data input * - * Last changed in libpng 1.6.24 [August 4, 2016] - * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2016,2018 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.) * @@ -29,7 +29,7 @@ * to read more than 64K on a 16-bit machine. */ void /* PRIVATE */ -png_read_data(png_structrp png_ptr, png_bytep data, png_size_t length) +png_read_data(png_structrp png_ptr, png_bytep data, size_t length) { png_debug1(4, "reading %d bytes", (int)length); @@ -47,14 +47,14 @@ png_read_data(png_structrp png_ptr, png_bytep data, png_size_t length) * than changing the library. */ void PNGCBAPI -png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length) +png_default_read_data(png_structp png_ptr, png_bytep data, size_t length) { - png_size_t check; + size_t check; if (png_ptr == NULL) return; - /* fread() returns 0 on error, so it is OK to store this in a png_size_t + /* fread() returns 0 on error, so it is OK to store this in a size_t * instead of an int, which is what fread() actually returns. */ check = fread(data, 1, length, png_voidcast(png_FILE_p, png_ptr->io_ptr)); diff --git a/media/libpng/pngrtran.c b/media/libpng/pngrtran.c index c1896503130e8..67d1f249a6868 100644 --- a/media/libpng/pngrtran.c +++ b/media/libpng/pngrtran.c @@ -1,8 +1,8 @@ /* pngrtran.c - transforms the data in a row for PNG readers * - * Last changed in libpng 1.6.33 [September 28, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -292,7 +292,7 @@ png_set_alpha_mode_fixed(png_structrp png_ptr, int mode, * who use the inverse of the gamma value accidentally! Since some of these * values are reasonable this may have to be changed: * - * 1.6.x: changed from 0.07..3 to 0.01..100 (to accomodate the optimal 16-bit + * 1.6.x: changed from 0.07..3 to 0.01..100 (to accommodate the optimal 16-bit * gamma of 36, and its reciprocal.) */ if (output_gamma < 1000 || output_gamma > 10000000) @@ -747,7 +747,7 @@ png_set_quantize(png_structrp png_ptr, png_colorp palette, int num_red = (1 << PNG_QUANTIZE_RED_BITS); int num_green = (1 << PNG_QUANTIZE_GREEN_BITS); int num_blue = (1 << PNG_QUANTIZE_BLUE_BITS); - png_size_t num_entries = ((png_size_t)1 << total_bits); + size_t num_entries = ((size_t)1 << total_bits); png_ptr->palette_lookup = (png_bytep)png_calloc(png_ptr, (png_alloc_size_t)(num_entries * (sizeof (png_byte)))); @@ -1317,7 +1317,7 @@ png_init_read_transformations(png_structrp png_ptr) else if (png_ptr->screen_gamma != 0) /* The converse - assume the file matches the screen, note that this - * perhaps undesireable default can (from 1.5.4) be changed by calling + * perhaps undesirable default can (from 1.5.4) be changed by calling * png_set_alpha_mode (even if the alpha handling mode isn't required * or isn't changed from the default.) */ @@ -1885,7 +1885,7 @@ png_init_read_transformations(png_structrp png_ptr) png_ptr->transformations &= ~PNG_SHIFT; - /* significant bits can be in the range 1 to 7 for a meaninful result, if + /* significant bits can be in the range 1 to 7 for a meaningful result, if * the number of significant bits is 0 then no shift is done (this is an * error condition which is silently ignored.) */ @@ -2151,8 +2151,8 @@ png_do_unpack(png_row_infop row_info, png_bytep row) { case 1: { - png_bytep sp = row + (png_size_t)((row_width - 1) >> 3); - png_bytep dp = row + (png_size_t)row_width - 1; + png_bytep sp = row + (size_t)((row_width - 1) >> 3); + png_bytep dp = row + (size_t)row_width - 1; png_uint_32 shift = 7U - ((row_width + 7U) & 0x07); for (i = 0; i < row_width; i++) { @@ -2175,8 +2175,8 @@ png_do_unpack(png_row_infop row_info, png_bytep row) case 2: { - png_bytep sp = row + (png_size_t)((row_width - 1) >> 2); - png_bytep dp = row + (png_size_t)row_width - 1; + png_bytep sp = row + (size_t)((row_width - 1) >> 2); + png_bytep dp = row + (size_t)row_width - 1; png_uint_32 shift = ((3U - ((row_width + 3U) & 0x03)) << 1); for (i = 0; i < row_width; i++) { @@ -2198,8 +2198,8 @@ png_do_unpack(png_row_infop row_info, png_bytep row) case 4: { - png_bytep sp = row + (png_size_t)((row_width - 1) >> 1); - png_bytep dp = row + (png_size_t)row_width - 1; + png_bytep sp = row + (size_t)((row_width - 1) >> 1); + png_bytep dp = row + (size_t)row_width - 1; png_uint_32 shift = ((1U - ((row_width + 1U) & 0x01)) << 2); for (i = 0; i < row_width; i++) { @@ -2463,95 +2463,94 @@ png_do_chop(png_row_infop row_info, png_bytep row) static void png_do_read_swap_alpha(png_row_infop row_info, png_bytep row) { + png_uint_32 row_width = row_info->width; + png_debug(1, "in png_do_read_swap_alpha"); + if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) { - png_uint_32 row_width = row_info->width; - if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) + /* This converts from RGBA to ARGB */ + if (row_info->bit_depth == 8) { - /* This converts from RGBA to ARGB */ - if (row_info->bit_depth == 8) - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_byte save; - png_uint_32 i; + png_bytep sp = row + row_info->rowbytes; + png_bytep dp = sp; + png_byte save; + png_uint_32 i; - for (i = 0; i < row_width; i++) - { - save = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = save; - } + for (i = 0; i < row_width; i++) + { + save = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = save; } + } #ifdef PNG_READ_16BIT_SUPPORTED - /* This converts from RRGGBBAA to AARRGGBB */ - else - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_byte save[2]; - png_uint_32 i; + /* This converts from RRGGBBAA to AARRGGBB */ + else + { + png_bytep sp = row + row_info->rowbytes; + png_bytep dp = sp; + png_byte save[2]; + png_uint_32 i; - for (i = 0; i < row_width; i++) - { - save[0] = *(--sp); - save[1] = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = save[0]; - *(--dp) = save[1]; - } + for (i = 0; i < row_width; i++) + { + save[0] = *(--sp); + save[1] = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = save[0]; + *(--dp) = save[1]; } -#endif } +#endif + } - else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) + else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) + { + /* This converts from GA to AG */ + if (row_info->bit_depth == 8) { - /* This converts from GA to AG */ - if (row_info->bit_depth == 8) - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_byte save; - png_uint_32 i; + png_bytep sp = row + row_info->rowbytes; + png_bytep dp = sp; + png_byte save; + png_uint_32 i; - for (i = 0; i < row_width; i++) - { - save = *(--sp); - *(--dp) = *(--sp); - *(--dp) = save; - } + for (i = 0; i < row_width; i++) + { + save = *(--sp); + *(--dp) = *(--sp); + *(--dp) = save; } + } #ifdef PNG_READ_16BIT_SUPPORTED - /* This converts from GGAA to AAGG */ - else - { - png_bytep sp = row + row_info->rowbytes; - png_bytep dp = sp; - png_byte save[2]; - png_uint_32 i; + /* This converts from GGAA to AAGG */ + else + { + png_bytep sp = row + row_info->rowbytes; + png_bytep dp = sp; + png_byte save[2]; + png_uint_32 i; - for (i = 0; i < row_width; i++) - { - save[0] = *(--sp); - save[1] = *(--sp); - *(--dp) = *(--sp); - *(--dp) = *(--sp); - *(--dp) = save[0]; - *(--dp) = save[1]; - } + for (i = 0; i < row_width; i++) + { + save[0] = *(--sp); + save[1] = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = save[0]; + *(--dp) = save[1]; } -#endif } +#endif } } #endif @@ -2681,8 +2680,8 @@ png_do_read_filler(png_row_infop row_info, png_bytep row, if ((flags & PNG_FLAG_FILLER_AFTER) != 0) { /* This changes the data from G to GX */ - png_bytep sp = row + (png_size_t)row_width; - png_bytep dp = sp + (png_size_t)row_width; + png_bytep sp = row + (size_t)row_width; + png_bytep dp = sp + (size_t)row_width; for (i = 1; i < row_width; i++) { *(--dp) = lo_filler; @@ -2697,8 +2696,8 @@ png_do_read_filler(png_row_infop row_info, png_bytep row, else { /* This changes the data from G to XG */ - png_bytep sp = row + (png_size_t)row_width; - png_bytep dp = sp + (png_size_t)row_width; + png_bytep sp = row + (size_t)row_width; + png_bytep dp = sp + (size_t)row_width; for (i = 0; i < row_width; i++) { *(--dp) = *(--sp); @@ -2716,8 +2715,8 @@ png_do_read_filler(png_row_infop row_info, png_bytep row, if ((flags & PNG_FLAG_FILLER_AFTER) != 0) { /* This changes the data from GG to GGXX */ - png_bytep sp = row + (png_size_t)row_width * 2; - png_bytep dp = sp + (png_size_t)row_width * 2; + png_bytep sp = row + (size_t)row_width * 2; + png_bytep dp = sp + (size_t)row_width * 2; for (i = 1; i < row_width; i++) { *(--dp) = lo_filler; @@ -2735,8 +2734,8 @@ png_do_read_filler(png_row_infop row_info, png_bytep row, else { /* This changes the data from GG to XXGG */ - png_bytep sp = row + (png_size_t)row_width * 2; - png_bytep dp = sp + (png_size_t)row_width * 2; + png_bytep sp = row + (size_t)row_width * 2; + png_bytep dp = sp + (size_t)row_width * 2; for (i = 0; i < row_width; i++) { *(--dp) = *(--sp); @@ -2758,8 +2757,8 @@ png_do_read_filler(png_row_infop row_info, png_bytep row, if ((flags & PNG_FLAG_FILLER_AFTER) != 0) { /* This changes the data from RGB to RGBX */ - png_bytep sp = row + (png_size_t)row_width * 3; - png_bytep dp = sp + (png_size_t)row_width; + png_bytep sp = row + (size_t)row_width * 3; + png_bytep dp = sp + (size_t)row_width; for (i = 1; i < row_width; i++) { *(--dp) = lo_filler; @@ -2776,8 +2775,8 @@ png_do_read_filler(png_row_infop row_info, png_bytep row, else { /* This changes the data from RGB to XRGB */ - png_bytep sp = row + (png_size_t)row_width * 3; - png_bytep dp = sp + (png_size_t)row_width; + png_bytep sp = row + (size_t)row_width * 3; + png_bytep dp = sp + (size_t)row_width; for (i = 0; i < row_width; i++) { *(--dp) = *(--sp); @@ -2797,8 +2796,8 @@ png_do_read_filler(png_row_infop row_info, png_bytep row, if ((flags & PNG_FLAG_FILLER_AFTER) != 0) { /* This changes the data from RRGGBB to RRGGBBXX */ - png_bytep sp = row + (png_size_t)row_width * 6; - png_bytep dp = sp + (png_size_t)row_width * 2; + png_bytep sp = row + (size_t)row_width * 6; + png_bytep dp = sp + (size_t)row_width * 2; for (i = 1; i < row_width; i++) { *(--dp) = lo_filler; @@ -2820,8 +2819,8 @@ png_do_read_filler(png_row_infop row_info, png_bytep row, else { /* This changes the data from RRGGBB to XXRRGGBB */ - png_bytep sp = row + (png_size_t)row_width * 6; - png_bytep dp = sp + (png_size_t)row_width * 2; + png_bytep sp = row + (size_t)row_width * 6; + png_bytep dp = sp + (size_t)row_width * 2; for (i = 0; i < row_width; i++) { *(--dp) = *(--sp); @@ -2862,8 +2861,8 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row) if (row_info->bit_depth == 8) { /* This changes G to RGB */ - png_bytep sp = row + (png_size_t)row_width - 1; - png_bytep dp = sp + (png_size_t)row_width * 2; + png_bytep sp = row + (size_t)row_width - 1; + png_bytep dp = sp + (size_t)row_width * 2; for (i = 0; i < row_width; i++) { *(dp--) = *sp; @@ -2875,8 +2874,8 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row) else { /* This changes GG to RRGGBB */ - png_bytep sp = row + (png_size_t)row_width * 2 - 1; - png_bytep dp = sp + (png_size_t)row_width * 4; + png_bytep sp = row + (size_t)row_width * 2 - 1; + png_bytep dp = sp + (size_t)row_width * 4; for (i = 0; i < row_width; i++) { *(dp--) = *sp; @@ -2894,8 +2893,8 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row) if (row_info->bit_depth == 8) { /* This changes GA to RGBA */ - png_bytep sp = row + (png_size_t)row_width * 2 - 1; - png_bytep dp = sp + (png_size_t)row_width * 2; + png_bytep sp = row + (size_t)row_width * 2 - 1; + png_bytep dp = sp + (size_t)row_width * 2; for (i = 0; i < row_width; i++) { *(dp--) = *(sp--); @@ -2908,8 +2907,8 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row) else { /* This changes GGAA to RRGGBBAA */ - png_bytep sp = row + (png_size_t)row_width * 4 - 1; - png_bytep dp = sp + (png_size_t)row_width * 4; + png_bytep sp = row + (size_t)row_width * 4 - 1; + png_bytep dp = sp + (size_t)row_width * 4; for (i = 0; i < row_width; i++) { *(dp--) = *(sp--); @@ -2980,7 +2979,7 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row) * values this results in an implicit assumption that the original PNG RGB * values were linear. * - * Other integer coefficents can be used via png_set_rgb_to_gray(). Because + * Other integer coefficients can be used via png_set_rgb_to_gray(). Because * the API takes just red and green coefficients the blue coefficient is * calculated to make the sum 32768. This will result in different rounding * to that used above. @@ -3209,720 +3208,718 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr) png_debug(1, "in png_do_compose"); + switch (row_info->color_type) { - switch (row_info->color_type) + case PNG_COLOR_TYPE_GRAY: { - case PNG_COLOR_TYPE_GRAY: + switch (row_info->bit_depth) { - switch (row_info->bit_depth) + case 1: + { + sp = row; + shift = 7; + for (i = 0; i < row_width; i++) + { + if ((png_uint_16)((*sp >> shift) & 0x01) + == png_ptr->trans_color.gray) + { + unsigned int tmp = *sp & (0x7f7f >> (7 - shift)); + tmp |= + (unsigned int)(png_ptr->background.gray << shift); + *sp = (png_byte)(tmp & 0xff); + } + + if (shift == 0) + { + shift = 7; + sp++; + } + + else + shift--; + } + break; + } + + case 2: { - case 1: +#ifdef PNG_READ_GAMMA_SUPPORTED + if (gamma_table != NULL) { sp = row; - shift = 7; + shift = 6; for (i = 0; i < row_width; i++) { - if ((png_uint_16)((*sp >> shift) & 0x01) - == png_ptr->trans_color.gray) + if ((png_uint_16)((*sp >> shift) & 0x03) + == png_ptr->trans_color.gray) { - unsigned int tmp = *sp & (0x7f7f >> (7 - shift)); + unsigned int tmp = *sp & (0x3f3f >> (6 - shift)); tmp |= - (unsigned int)(png_ptr->background.gray << shift); + (unsigned int)png_ptr->background.gray << shift; + *sp = (png_byte)(tmp & 0xff); + } + + else + { + unsigned int p = (*sp >> shift) & 0x03; + unsigned int g = (gamma_table [p | (p << 2) | + (p << 4) | (p << 6)] >> 6) & 0x03; + unsigned int tmp = *sp & (0x3f3f >> (6 - shift)); + tmp |= (unsigned int)(g << shift); *sp = (png_byte)(tmp & 0xff); } if (shift == 0) { - shift = 7; + shift = 6; sp++; } else - shift--; + shift -= 2; } - break; } - case 2: + else +#endif { -#ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_table != NULL) + sp = row; + shift = 6; + for (i = 0; i < row_width; i++) { - sp = row; - shift = 6; - for (i = 0; i < row_width; i++) + if ((png_uint_16)((*sp >> shift) & 0x03) + == png_ptr->trans_color.gray) { - if ((png_uint_16)((*sp >> shift) & 0x03) - == png_ptr->trans_color.gray) - { - unsigned int tmp = *sp & (0x3f3f >> (6 - shift)); - tmp |= - (unsigned int)png_ptr->background.gray << shift; - *sp = (png_byte)(tmp & 0xff); - } - - else - { - unsigned int p = (*sp >> shift) & 0x03; - unsigned int g = (gamma_table [p | (p << 2) | - (p << 4) | (p << 6)] >> 6) & 0x03; - unsigned int tmp = *sp & (0x3f3f >> (6 - shift)); - tmp |= (unsigned int)(g << shift); - *sp = (png_byte)(tmp & 0xff); - } - - if (shift == 0) - { - shift = 6; - sp++; - } - - else - shift -= 2; + unsigned int tmp = *sp & (0x3f3f >> (6 - shift)); + tmp |= + (unsigned int)png_ptr->background.gray << shift; + *sp = (png_byte)(tmp & 0xff); } - } - else -#endif - { - sp = row; - shift = 6; - for (i = 0; i < row_width; i++) + if (shift == 0) { - if ((png_uint_16)((*sp >> shift) & 0x03) - == png_ptr->trans_color.gray) - { - unsigned int tmp = *sp & (0x3f3f >> (6 - shift)); - tmp |= - (unsigned int)png_ptr->background.gray << shift; - *sp = (png_byte)(tmp & 0xff); - } - - if (shift == 0) - { - shift = 6; - sp++; - } - - else - shift -= 2; + shift = 6; + sp++; } + + else + shift -= 2; } - break; } + break; + } - case 4: - { + case 4: + { #ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_table != NULL) + if (gamma_table != NULL) + { + sp = row; + shift = 4; + for (i = 0; i < row_width; i++) { - sp = row; - shift = 4; - for (i = 0; i < row_width; i++) + if ((png_uint_16)((*sp >> shift) & 0x0f) + == png_ptr->trans_color.gray) { - if ((png_uint_16)((*sp >> shift) & 0x0f) - == png_ptr->trans_color.gray) - { - unsigned int tmp = *sp & (0x0f0f >> (4 - shift)); - tmp |= - (unsigned int)(png_ptr->background.gray << shift); - *sp = (png_byte)(tmp & 0xff); - } - - else - { - unsigned int p = (*sp >> shift) & 0x0f; - unsigned int g = (gamma_table[p | (p << 4)] >> 4) & - 0x0f; - unsigned int tmp = *sp & (0x0f0f >> (4 - shift)); - tmp |= (unsigned int)(g << shift); - *sp = (png_byte)(tmp & 0xff); - } - - if (shift == 0) - { - shift = 4; - sp++; - } - - else - shift -= 4; + unsigned int tmp = *sp & (0x0f0f >> (4 - shift)); + tmp |= + (unsigned int)(png_ptr->background.gray << shift); + *sp = (png_byte)(tmp & 0xff); } - } - else -#endif - { - sp = row; - shift = 4; - for (i = 0; i < row_width; i++) + else { - if ((png_uint_16)((*sp >> shift) & 0x0f) - == png_ptr->trans_color.gray) - { - unsigned int tmp = *sp & (0x0f0f >> (4 - shift)); - tmp |= - (unsigned int)(png_ptr->background.gray << shift); - *sp = (png_byte)(tmp & 0xff); - } - - if (shift == 0) - { - shift = 4; - sp++; - } - - else - shift -= 4; + unsigned int p = (*sp >> shift) & 0x0f; + unsigned int g = (gamma_table[p | (p << 4)] >> 4) & + 0x0f; + unsigned int tmp = *sp & (0x0f0f >> (4 - shift)); + tmp |= (unsigned int)(g << shift); + *sp = (png_byte)(tmp & 0xff); } - } - break; - } - case 8: - { -#ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_table != NULL) - { - sp = row; - for (i = 0; i < row_width; i++, sp++) - { - if (*sp == png_ptr->trans_color.gray) - *sp = (png_byte)png_ptr->background.gray; - - else - *sp = gamma_table[*sp]; - } - } - else -#endif - { - sp = row; - for (i = 0; i < row_width; i++, sp++) + if (shift == 0) { - if (*sp == png_ptr->trans_color.gray) - *sp = (png_byte)png_ptr->background.gray; + shift = 4; + sp++; } + + else + shift -= 4; } - break; } - case 16: + else +#endif { -#ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_16 != NULL) + sp = row; + shift = 4; + for (i = 0; i < row_width; i++) { - sp = row; - for (i = 0; i < row_width; i++, sp += 2) + if ((png_uint_16)((*sp >> shift) & 0x0f) + == png_ptr->trans_color.gray) { - png_uint_16 v; - - v = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - - if (v == png_ptr->trans_color.gray) - { - /* Background is already in screen gamma */ - *sp = (png_byte)((png_ptr->background.gray >> 8) - & 0xff); - *(sp + 1) = (png_byte)(png_ptr->background.gray - & 0xff); - } - - else - { - v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - } + unsigned int tmp = *sp & (0x0f0f >> (4 - shift)); + tmp |= + (unsigned int)(png_ptr->background.gray << shift); + *sp = (png_byte)(tmp & 0xff); } - } - else -#endif - { - sp = row; - for (i = 0; i < row_width; i++, sp += 2) - { - png_uint_16 v; - v = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - - if (v == png_ptr->trans_color.gray) - { - *sp = (png_byte)((png_ptr->background.gray >> 8) - & 0xff); - *(sp + 1) = (png_byte)(png_ptr->background.gray - & 0xff); - } + if (shift == 0) + { + shift = 4; + sp++; } + + else + shift -= 4; } - break; } - - default: - break; + break; } - break; - } - case PNG_COLOR_TYPE_RGB: - { - if (row_info->bit_depth == 8) + case 8: { #ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_table != NULL) { sp = row; - for (i = 0; i < row_width; i++, sp += 3) + for (i = 0; i < row_width; i++, sp++) { - if (*sp == png_ptr->trans_color.red && - *(sp + 1) == png_ptr->trans_color.green && - *(sp + 2) == png_ptr->trans_color.blue) - { - *sp = (png_byte)png_ptr->background.red; - *(sp + 1) = (png_byte)png_ptr->background.green; - *(sp + 2) = (png_byte)png_ptr->background.blue; - } + if (*sp == png_ptr->trans_color.gray) + *sp = (png_byte)png_ptr->background.gray; else - { *sp = gamma_table[*sp]; - *(sp + 1) = gamma_table[*(sp + 1)]; - *(sp + 2) = gamma_table[*(sp + 2)]; - } } } else #endif { sp = row; - for (i = 0; i < row_width; i++, sp += 3) + for (i = 0; i < row_width; i++, sp++) { - if (*sp == png_ptr->trans_color.red && - *(sp + 1) == png_ptr->trans_color.green && - *(sp + 2) == png_ptr->trans_color.blue) - { - *sp = (png_byte)png_ptr->background.red; - *(sp + 1) = (png_byte)png_ptr->background.green; - *(sp + 2) = (png_byte)png_ptr->background.blue; - } + if (*sp == png_ptr->trans_color.gray) + *sp = (png_byte)png_ptr->background.gray; } } + break; } - else /* if (row_info->bit_depth == 16) */ + + case 16: { #ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_16 != NULL) { sp = row; - for (i = 0; i < row_width; i++, sp += 6) + for (i = 0; i < row_width; i++, sp += 2) { - png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - - png_uint_16 g = (png_uint_16)(((*(sp + 2)) << 8) - + *(sp + 3)); + png_uint_16 v; - png_uint_16 b = (png_uint_16)(((*(sp + 4)) << 8) - + *(sp + 5)); + v = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - if (r == png_ptr->trans_color.red && - g == png_ptr->trans_color.green && - b == png_ptr->trans_color.blue) + if (v == png_ptr->trans_color.gray) { /* Background is already in screen gamma */ - *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff); - *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff); - *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) - & 0xff); - *(sp + 3) = (png_byte)(png_ptr->background.green - & 0xff); - *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) - & 0xff); - *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff); + *sp = (png_byte)((png_ptr->background.gray >> 8) + & 0xff); + *(sp + 1) = (png_byte)(png_ptr->background.gray + & 0xff); } else { - png_uint_16 v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; + v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; *sp = (png_byte)((v >> 8) & 0xff); *(sp + 1) = (png_byte)(v & 0xff); - - v = gamma_16[*(sp + 3) >> gamma_shift][*(sp + 2)]; - *(sp + 2) = (png_byte)((v >> 8) & 0xff); - *(sp + 3) = (png_byte)(v & 0xff); - - v = gamma_16[*(sp + 5) >> gamma_shift][*(sp + 4)]; - *(sp + 4) = (png_byte)((v >> 8) & 0xff); - *(sp + 5) = (png_byte)(v & 0xff); } } } - else #endif { sp = row; - for (i = 0; i < row_width; i++, sp += 6) + for (i = 0; i < row_width; i++, sp += 2) { - png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - - png_uint_16 g = (png_uint_16)(((*(sp + 2)) << 8) - + *(sp + 3)); + png_uint_16 v; - png_uint_16 b = (png_uint_16)(((*(sp + 4)) << 8) - + *(sp + 5)); + v = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - if (r == png_ptr->trans_color.red && - g == png_ptr->trans_color.green && - b == png_ptr->trans_color.blue) + if (v == png_ptr->trans_color.gray) { - *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff); - *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff); - *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) - & 0xff); - *(sp + 3) = (png_byte)(png_ptr->background.green - & 0xff); - *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) - & 0xff); - *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff); + *sp = (png_byte)((png_ptr->background.gray >> 8) + & 0xff); + *(sp + 1) = (png_byte)(png_ptr->background.gray + & 0xff); } } } + break; } - break; + + default: + break; } + break; + } - case PNG_COLOR_TYPE_GRAY_ALPHA: + case PNG_COLOR_TYPE_RGB: + { + if (row_info->bit_depth == 8) { - if (row_info->bit_depth == 8) - { #ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_to_1 != NULL && gamma_from_1 != NULL && - gamma_table != NULL) + if (gamma_table != NULL) + { + sp = row; + for (i = 0; i < row_width; i++, sp += 3) { - sp = row; - for (i = 0; i < row_width; i++, sp += 2) + if (*sp == png_ptr->trans_color.red && + *(sp + 1) == png_ptr->trans_color.green && + *(sp + 2) == png_ptr->trans_color.blue) { - png_uint_16 a = *(sp + 1); + *sp = (png_byte)png_ptr->background.red; + *(sp + 1) = (png_byte)png_ptr->background.green; + *(sp + 2) = (png_byte)png_ptr->background.blue; + } - if (a == 0xff) - *sp = gamma_table[*sp]; + else + { + *sp = gamma_table[*sp]; + *(sp + 1) = gamma_table[*(sp + 1)]; + *(sp + 2) = gamma_table[*(sp + 2)]; + } + } + } + else +#endif + { + sp = row; + for (i = 0; i < row_width; i++, sp += 3) + { + if (*sp == png_ptr->trans_color.red && + *(sp + 1) == png_ptr->trans_color.green && + *(sp + 2) == png_ptr->trans_color.blue) + { + *sp = (png_byte)png_ptr->background.red; + *(sp + 1) = (png_byte)png_ptr->background.green; + *(sp + 2) = (png_byte)png_ptr->background.blue; + } + } + } + } + else /* if (row_info->bit_depth == 16) */ + { +#ifdef PNG_READ_GAMMA_SUPPORTED + if (gamma_16 != NULL) + { + sp = row; + for (i = 0; i < row_width; i++, sp += 6) + { + png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - else if (a == 0) - { - /* Background is already in screen gamma */ - *sp = (png_byte)png_ptr->background.gray; - } + png_uint_16 g = (png_uint_16)(((*(sp + 2)) << 8) + + *(sp + 3)); - else - { - png_byte v, w; + png_uint_16 b = (png_uint_16)(((*(sp + 4)) << 8) + + *(sp + 5)); - v = gamma_to_1[*sp]; - png_composite(w, v, a, png_ptr->background_1.gray); - if (optimize == 0) - w = gamma_from_1[w]; - *sp = w; - } + if (r == png_ptr->trans_color.red && + g == png_ptr->trans_color.green && + b == png_ptr->trans_color.blue) + { + /* Background is already in screen gamma */ + *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff); + *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff); + *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) + & 0xff); + *(sp + 3) = (png_byte)(png_ptr->background.green + & 0xff); + *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) + & 0xff); + *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff); + } + + else + { + png_uint_16 v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; + *sp = (png_byte)((v >> 8) & 0xff); + *(sp + 1) = (png_byte)(v & 0xff); + + v = gamma_16[*(sp + 3) >> gamma_shift][*(sp + 2)]; + *(sp + 2) = (png_byte)((v >> 8) & 0xff); + *(sp + 3) = (png_byte)(v & 0xff); + + v = gamma_16[*(sp + 5) >> gamma_shift][*(sp + 4)]; + *(sp + 4) = (png_byte)((v >> 8) & 0xff); + *(sp + 5) = (png_byte)(v & 0xff); } } - else + } + + else #endif + { + sp = row; + for (i = 0; i < row_width; i++, sp += 6) { - sp = row; - for (i = 0; i < row_width; i++, sp += 2) - { - png_byte a = *(sp + 1); + png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - if (a == 0) - *sp = (png_byte)png_ptr->background.gray; + png_uint_16 g = (png_uint_16)(((*(sp + 2)) << 8) + + *(sp + 3)); - else if (a < 0xff) - png_composite(*sp, *sp, a, png_ptr->background.gray); + png_uint_16 b = (png_uint_16)(((*(sp + 4)) << 8) + + *(sp + 5)); + + if (r == png_ptr->trans_color.red && + g == png_ptr->trans_color.green && + b == png_ptr->trans_color.blue) + { + *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff); + *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff); + *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) + & 0xff); + *(sp + 3) = (png_byte)(png_ptr->background.green + & 0xff); + *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) + & 0xff); + *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff); } } } - else /* if (png_ptr->bit_depth == 16) */ - { + } + break; + } + + case PNG_COLOR_TYPE_GRAY_ALPHA: + { + if (row_info->bit_depth == 8) + { #ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_16 != NULL && gamma_16_from_1 != NULL && - gamma_16_to_1 != NULL) + if (gamma_to_1 != NULL && gamma_from_1 != NULL && + gamma_table != NULL) + { + sp = row; + for (i = 0; i < row_width; i++, sp += 2) { - sp = row; - for (i = 0; i < row_width; i++, sp += 4) + png_uint_16 a = *(sp + 1); + + if (a == 0xff) + *sp = gamma_table[*sp]; + + else if (a == 0) { - png_uint_16 a = (png_uint_16)(((*(sp + 2)) << 8) - + *(sp + 3)); + /* Background is already in screen gamma */ + *sp = (png_byte)png_ptr->background.gray; + } - if (a == (png_uint_16)0xffff) - { - png_uint_16 v; + else + { + png_byte v, w; - v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - } + v = gamma_to_1[*sp]; + png_composite(w, v, a, png_ptr->background_1.gray); + if (optimize == 0) + w = gamma_from_1[w]; + *sp = w; + } + } + } + else +#endif + { + sp = row; + for (i = 0; i < row_width; i++, sp += 2) + { + png_byte a = *(sp + 1); + + if (a == 0) + *sp = (png_byte)png_ptr->background.gray; + + else if (a < 0xff) + png_composite(*sp, *sp, a, png_ptr->background.gray); + } + } + } + else /* if (png_ptr->bit_depth == 16) */ + { +#ifdef PNG_READ_GAMMA_SUPPORTED + if (gamma_16 != NULL && gamma_16_from_1 != NULL && + gamma_16_to_1 != NULL) + { + sp = row; + for (i = 0; i < row_width; i++, sp += 4) + { + png_uint_16 a = (png_uint_16)(((*(sp + 2)) << 8) + + *(sp + 3)); + + if (a == (png_uint_16)0xffff) + { + png_uint_16 v; - else if (a == 0) - { - /* Background is already in screen gamma */ - *sp = (png_byte)((png_ptr->background.gray >> 8) - & 0xff); - *(sp + 1) = (png_byte)(png_ptr->background.gray & 0xff); - } + v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; + *sp = (png_byte)((v >> 8) & 0xff); + *(sp + 1) = (png_byte)(v & 0xff); + } - else - { - png_uint_16 g, v, w; + else if (a == 0) + { + /* Background is already in screen gamma */ + *sp = (png_byte)((png_ptr->background.gray >> 8) + & 0xff); + *(sp + 1) = (png_byte)(png_ptr->background.gray & 0xff); + } - g = gamma_16_to_1[*(sp + 1) >> gamma_shift][*sp]; - png_composite_16(v, g, a, png_ptr->background_1.gray); - if (optimize != 0) - w = v; - else - w = gamma_16_from_1[(v & 0xff) >> - gamma_shift][v >> 8]; - *sp = (png_byte)((w >> 8) & 0xff); - *(sp + 1) = (png_byte)(w & 0xff); - } + else + { + png_uint_16 g, v, w; + + g = gamma_16_to_1[*(sp + 1) >> gamma_shift][*sp]; + png_composite_16(v, g, a, png_ptr->background_1.gray); + if (optimize != 0) + w = v; + else + w = gamma_16_from_1[(v & 0xff) >> + gamma_shift][v >> 8]; + *sp = (png_byte)((w >> 8) & 0xff); + *(sp + 1) = (png_byte)(w & 0xff); } } - else + } + else #endif + { + sp = row; + for (i = 0; i < row_width; i++, sp += 4) { - sp = row; - for (i = 0; i < row_width; i++, sp += 4) - { - png_uint_16 a = (png_uint_16)(((*(sp + 2)) << 8) - + *(sp + 3)); + png_uint_16 a = (png_uint_16)(((*(sp + 2)) << 8) + + *(sp + 3)); - if (a == 0) - { - *sp = (png_byte)((png_ptr->background.gray >> 8) - & 0xff); - *(sp + 1) = (png_byte)(png_ptr->background.gray & 0xff); - } + if (a == 0) + { + *sp = (png_byte)((png_ptr->background.gray >> 8) + & 0xff); + *(sp + 1) = (png_byte)(png_ptr->background.gray & 0xff); + } - else if (a < 0xffff) - { - png_uint_16 g, v; + else if (a < 0xffff) + { + png_uint_16 g, v; - g = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - png_composite_16(v, g, a, png_ptr->background.gray); - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - } + g = (png_uint_16)(((*sp) << 8) + *(sp + 1)); + png_composite_16(v, g, a, png_ptr->background.gray); + *sp = (png_byte)((v >> 8) & 0xff); + *(sp + 1) = (png_byte)(v & 0xff); } } } - break; } + break; + } - case PNG_COLOR_TYPE_RGB_ALPHA: + case PNG_COLOR_TYPE_RGB_ALPHA: + { + if (row_info->bit_depth == 8) { - if (row_info->bit_depth == 8) - { #ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_to_1 != NULL && gamma_from_1 != NULL && - gamma_table != NULL) + if (gamma_to_1 != NULL && gamma_from_1 != NULL && + gamma_table != NULL) + { + sp = row; + for (i = 0; i < row_width; i++, sp += 4) { - sp = row; - for (i = 0; i < row_width; i++, sp += 4) + png_byte a = *(sp + 3); + + if (a == 0xff) { - png_byte a = *(sp + 3); + *sp = gamma_table[*sp]; + *(sp + 1) = gamma_table[*(sp + 1)]; + *(sp + 2) = gamma_table[*(sp + 2)]; + } - if (a == 0xff) - { - *sp = gamma_table[*sp]; - *(sp + 1) = gamma_table[*(sp + 1)]; - *(sp + 2) = gamma_table[*(sp + 2)]; - } + else if (a == 0) + { + /* Background is already in screen gamma */ + *sp = (png_byte)png_ptr->background.red; + *(sp + 1) = (png_byte)png_ptr->background.green; + *(sp + 2) = (png_byte)png_ptr->background.blue; + } - else if (a == 0) - { - /* Background is already in screen gamma */ - *sp = (png_byte)png_ptr->background.red; - *(sp + 1) = (png_byte)png_ptr->background.green; - *(sp + 2) = (png_byte)png_ptr->background.blue; - } + else + { + png_byte v, w; - else - { - png_byte v, w; - - v = gamma_to_1[*sp]; - png_composite(w, v, a, png_ptr->background_1.red); - if (optimize == 0) w = gamma_from_1[w]; - *sp = w; - - v = gamma_to_1[*(sp + 1)]; - png_composite(w, v, a, png_ptr->background_1.green); - if (optimize == 0) w = gamma_from_1[w]; - *(sp + 1) = w; - - v = gamma_to_1[*(sp + 2)]; - png_composite(w, v, a, png_ptr->background_1.blue); - if (optimize == 0) w = gamma_from_1[w]; - *(sp + 2) = w; - } + v = gamma_to_1[*sp]; + png_composite(w, v, a, png_ptr->background_1.red); + if (optimize == 0) w = gamma_from_1[w]; + *sp = w; + + v = gamma_to_1[*(sp + 1)]; + png_composite(w, v, a, png_ptr->background_1.green); + if (optimize == 0) w = gamma_from_1[w]; + *(sp + 1) = w; + + v = gamma_to_1[*(sp + 2)]; + png_composite(w, v, a, png_ptr->background_1.blue); + if (optimize == 0) w = gamma_from_1[w]; + *(sp + 2) = w; } } - else + } + else #endif + { + sp = row; + for (i = 0; i < row_width; i++, sp += 4) { - sp = row; - for (i = 0; i < row_width; i++, sp += 4) - { - png_byte a = *(sp + 3); + png_byte a = *(sp + 3); - if (a == 0) - { - *sp = (png_byte)png_ptr->background.red; - *(sp + 1) = (png_byte)png_ptr->background.green; - *(sp + 2) = (png_byte)png_ptr->background.blue; - } + if (a == 0) + { + *sp = (png_byte)png_ptr->background.red; + *(sp + 1) = (png_byte)png_ptr->background.green; + *(sp + 2) = (png_byte)png_ptr->background.blue; + } - else if (a < 0xff) - { - png_composite(*sp, *sp, a, png_ptr->background.red); + else if (a < 0xff) + { + png_composite(*sp, *sp, a, png_ptr->background.red); - png_composite(*(sp + 1), *(sp + 1), a, - png_ptr->background.green); + png_composite(*(sp + 1), *(sp + 1), a, + png_ptr->background.green); - png_composite(*(sp + 2), *(sp + 2), a, - png_ptr->background.blue); - } + png_composite(*(sp + 2), *(sp + 2), a, + png_ptr->background.blue); } } } - else /* if (row_info->bit_depth == 16) */ - { + } + else /* if (row_info->bit_depth == 16) */ + { #ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_16 != NULL && gamma_16_from_1 != NULL && - gamma_16_to_1 != NULL) + if (gamma_16 != NULL && gamma_16_from_1 != NULL && + gamma_16_to_1 != NULL) + { + sp = row; + for (i = 0; i < row_width; i++, sp += 8) { - sp = row; - for (i = 0; i < row_width; i++, sp += 8) - { - png_uint_16 a = (png_uint_16)(((png_uint_16)(*(sp + 6)) - << 8) + (png_uint_16)(*(sp + 7))); + png_uint_16 a = (png_uint_16)(((png_uint_16)(*(sp + 6)) + << 8) + (png_uint_16)(*(sp + 7))); - if (a == (png_uint_16)0xffff) - { - png_uint_16 v; + if (a == (png_uint_16)0xffff) + { + png_uint_16 v; - v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); + v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; + *sp = (png_byte)((v >> 8) & 0xff); + *(sp + 1) = (png_byte)(v & 0xff); - v = gamma_16[*(sp + 3) >> gamma_shift][*(sp + 2)]; - *(sp + 2) = (png_byte)((v >> 8) & 0xff); - *(sp + 3) = (png_byte)(v & 0xff); + v = gamma_16[*(sp + 3) >> gamma_shift][*(sp + 2)]; + *(sp + 2) = (png_byte)((v >> 8) & 0xff); + *(sp + 3) = (png_byte)(v & 0xff); - v = gamma_16[*(sp + 5) >> gamma_shift][*(sp + 4)]; - *(sp + 4) = (png_byte)((v >> 8) & 0xff); - *(sp + 5) = (png_byte)(v & 0xff); - } + v = gamma_16[*(sp + 5) >> gamma_shift][*(sp + 4)]; + *(sp + 4) = (png_byte)((v >> 8) & 0xff); + *(sp + 5) = (png_byte)(v & 0xff); + } - else if (a == 0) - { - /* Background is already in screen gamma */ - *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff); - *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff); - *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) - & 0xff); - *(sp + 3) = (png_byte)(png_ptr->background.green - & 0xff); - *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) - & 0xff); - *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff); - } + else if (a == 0) + { + /* Background is already in screen gamma */ + *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff); + *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff); + *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) + & 0xff); + *(sp + 3) = (png_byte)(png_ptr->background.green + & 0xff); + *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) + & 0xff); + *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff); + } - else - { - png_uint_16 v, w; - - v = gamma_16_to_1[*(sp + 1) >> gamma_shift][*sp]; - png_composite_16(w, v, a, png_ptr->background_1.red); - if (optimize == 0) - w = gamma_16_from_1[((w & 0xff) >> gamma_shift)][w >> - 8]; - *sp = (png_byte)((w >> 8) & 0xff); - *(sp + 1) = (png_byte)(w & 0xff); - - v = gamma_16_to_1[*(sp + 3) >> gamma_shift][*(sp + 2)]; - png_composite_16(w, v, a, png_ptr->background_1.green); - if (optimize == 0) - w = gamma_16_from_1[((w & 0xff) >> gamma_shift)][w >> - 8]; - - *(sp + 2) = (png_byte)((w >> 8) & 0xff); - *(sp + 3) = (png_byte)(w & 0xff); - - v = gamma_16_to_1[*(sp + 5) >> gamma_shift][*(sp + 4)]; - png_composite_16(w, v, a, png_ptr->background_1.blue); - if (optimize == 0) - w = gamma_16_from_1[((w & 0xff) >> gamma_shift)][w >> - 8]; - - *(sp + 4) = (png_byte)((w >> 8) & 0xff); - *(sp + 5) = (png_byte)(w & 0xff); - } + else + { + png_uint_16 v, w; + + v = gamma_16_to_1[*(sp + 1) >> gamma_shift][*sp]; + png_composite_16(w, v, a, png_ptr->background_1.red); + if (optimize == 0) + w = gamma_16_from_1[((w & 0xff) >> gamma_shift)][w >> + 8]; + *sp = (png_byte)((w >> 8) & 0xff); + *(sp + 1) = (png_byte)(w & 0xff); + + v = gamma_16_to_1[*(sp + 3) >> gamma_shift][*(sp + 2)]; + png_composite_16(w, v, a, png_ptr->background_1.green); + if (optimize == 0) + w = gamma_16_from_1[((w & 0xff) >> gamma_shift)][w >> + 8]; + + *(sp + 2) = (png_byte)((w >> 8) & 0xff); + *(sp + 3) = (png_byte)(w & 0xff); + + v = gamma_16_to_1[*(sp + 5) >> gamma_shift][*(sp + 4)]; + png_composite_16(w, v, a, png_ptr->background_1.blue); + if (optimize == 0) + w = gamma_16_from_1[((w & 0xff) >> gamma_shift)][w >> + 8]; + + *(sp + 4) = (png_byte)((w >> 8) & 0xff); + *(sp + 5) = (png_byte)(w & 0xff); } } + } - else + else #endif + { + sp = row; + for (i = 0; i < row_width; i++, sp += 8) { - sp = row; - for (i = 0; i < row_width; i++, sp += 8) - { - png_uint_16 a = (png_uint_16)(((png_uint_16)(*(sp + 6)) - << 8) + (png_uint_16)(*(sp + 7))); + png_uint_16 a = (png_uint_16)(((png_uint_16)(*(sp + 6)) + << 8) + (png_uint_16)(*(sp + 7))); - if (a == 0) - { - *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff); - *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff); - *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) - & 0xff); - *(sp + 3) = (png_byte)(png_ptr->background.green - & 0xff); - *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) - & 0xff); - *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff); - } + if (a == 0) + { + *sp = (png_byte)((png_ptr->background.red >> 8) & 0xff); + *(sp + 1) = (png_byte)(png_ptr->background.red & 0xff); + *(sp + 2) = (png_byte)((png_ptr->background.green >> 8) + & 0xff); + *(sp + 3) = (png_byte)(png_ptr->background.green + & 0xff); + *(sp + 4) = (png_byte)((png_ptr->background.blue >> 8) + & 0xff); + *(sp + 5) = (png_byte)(png_ptr->background.blue & 0xff); + } - else if (a < 0xffff) - { - png_uint_16 v; + else if (a < 0xffff) + { + png_uint_16 v; - png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - png_uint_16 g = (png_uint_16)(((*(sp + 2)) << 8) - + *(sp + 3)); - png_uint_16 b = (png_uint_16)(((*(sp + 4)) << 8) - + *(sp + 5)); + png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1)); + png_uint_16 g = (png_uint_16)(((*(sp + 2)) << 8) + + *(sp + 3)); + png_uint_16 b = (png_uint_16)(((*(sp + 4)) << 8) + + *(sp + 5)); - png_composite_16(v, r, a, png_ptr->background.red); - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); + png_composite_16(v, r, a, png_ptr->background.red); + *sp = (png_byte)((v >> 8) & 0xff); + *(sp + 1) = (png_byte)(v & 0xff); - png_composite_16(v, g, a, png_ptr->background.green); - *(sp + 2) = (png_byte)((v >> 8) & 0xff); - *(sp + 3) = (png_byte)(v & 0xff); + png_composite_16(v, g, a, png_ptr->background.green); + *(sp + 2) = (png_byte)((v >> 8) & 0xff); + *(sp + 3) = (png_byte)(v & 0xff); - png_composite_16(v, b, a, png_ptr->background.blue); - *(sp + 4) = (png_byte)((v >> 8) & 0xff); - *(sp + 5) = (png_byte)(v & 0xff); - } + png_composite_16(v, b, a, png_ptr->background.blue); + *(sp + 4) = (png_byte)((v >> 8) & 0xff); + *(sp + 5) = (png_byte)(v & 0xff); } } } - break; } - - default: - break; + break; } + + default: + break; } } #endif /* READ_BACKGROUND || READ_ALPHA_MODE */ @@ -4220,8 +4217,8 @@ png_do_expand_palette(png_row_infop row_info, png_bytep row, { case 1: { - sp = row + (png_size_t)((row_width - 1) >> 3); - dp = row + (png_size_t)row_width - 1; + sp = row + (size_t)((row_width - 1) >> 3); + dp = row + (size_t)row_width - 1; shift = 7 - (int)((row_width + 7) & 0x07); for (i = 0; i < row_width; i++) { @@ -4247,8 +4244,8 @@ png_do_expand_palette(png_row_infop row_info, png_bytep row, case 2: { - sp = row + (png_size_t)((row_width - 1) >> 2); - dp = row + (png_size_t)row_width - 1; + sp = row + (size_t)((row_width - 1) >> 2); + dp = row + (size_t)row_width - 1; shift = (int)((3 - ((row_width + 3) & 0x03)) << 1); for (i = 0; i < row_width; i++) { @@ -4270,8 +4267,8 @@ png_do_expand_palette(png_row_infop row_info, png_bytep row, case 4: { - sp = row + (png_size_t)((row_width - 1) >> 1); - dp = row + (png_size_t)row_width - 1; + sp = row + (size_t)((row_width - 1) >> 1); + dp = row + (size_t)row_width - 1; shift = (int)((row_width & 0x01) << 2); for (i = 0; i < row_width; i++) { @@ -4304,8 +4301,8 @@ png_do_expand_palette(png_row_infop row_info, png_bytep row, { if (num_trans > 0) { - sp = row + (png_size_t)row_width - 1; - dp = row + ((png_size_t)row_width << 2) - 1; + sp = row + (size_t)row_width - 1; + dp = row + ((size_t)row_width << 2) - 1; for (i = 0; i < row_width; i++) { @@ -4329,8 +4326,8 @@ png_do_expand_palette(png_row_infop row_info, png_bytep row, else { - sp = row + (png_size_t)row_width - 1; - dp = row + (png_size_t)(row_width * 3) - 1; + sp = row + (size_t)row_width - 1; + dp = row + (size_t)(row_width * 3) - 1; for (i = 0; i < row_width; i++) { @@ -4365,195 +4362,130 @@ png_do_expand(png_row_infop row_info, png_bytep row, png_debug(1, "in png_do_expand"); + if (row_info->color_type == PNG_COLOR_TYPE_GRAY) { - if (row_info->color_type == PNG_COLOR_TYPE_GRAY) - { - unsigned int gray = trans_color != NULL ? trans_color->gray : 0; + unsigned int gray = trans_color != NULL ? trans_color->gray : 0; - if (row_info->bit_depth < 8) + if (row_info->bit_depth < 8) + { + switch (row_info->bit_depth) { - switch (row_info->bit_depth) + case 1: { - case 1: + gray = (gray & 0x01) * 0xff; + sp = row + (size_t)((row_width - 1) >> 3); + dp = row + (size_t)row_width - 1; + shift = 7 - (int)((row_width + 7) & 0x07); + for (i = 0; i < row_width; i++) { - gray = (gray & 0x01) * 0xff; - sp = row + (png_size_t)((row_width - 1) >> 3); - dp = row + (png_size_t)row_width - 1; - shift = 7 - (int)((row_width + 7) & 0x07); - for (i = 0; i < row_width; i++) - { - if ((*sp >> shift) & 0x01) - *dp = 0xff; - - else - *dp = 0; - - if (shift == 7) - { - shift = 0; - sp--; - } - - else - shift++; + if ((*sp >> shift) & 0x01) + *dp = 0xff; - dp--; - } - break; - } + else + *dp = 0; - case 2: - { - gray = (gray & 0x03) * 0x55; - sp = row + (png_size_t)((row_width - 1) >> 2); - dp = row + (png_size_t)row_width - 1; - shift = (int)((3 - ((row_width + 3) & 0x03)) << 1); - for (i = 0; i < row_width; i++) + if (shift == 7) { - value = (*sp >> shift) & 0x03; - *dp = (png_byte)(value | (value << 2) | (value << 4) | - (value << 6)); - if (shift == 6) - { - shift = 0; - sp--; - } - - else - shift += 2; - - dp--; + shift = 0; + sp--; } - break; - } - - case 4: - { - gray = (gray & 0x0f) * 0x11; - sp = row + (png_size_t)((row_width - 1) >> 1); - dp = row + (png_size_t)row_width - 1; - shift = (int)((1 - ((row_width + 1) & 0x01)) << 2); - for (i = 0; i < row_width; i++) - { - value = (*sp >> shift) & 0x0f; - *dp = (png_byte)(value | (value << 4)); - if (shift == 4) - { - shift = 0; - sp--; - } - else - shift = 4; + else + shift++; - dp--; - } - break; + dp--; } - - default: - break; + break; } - row_info->bit_depth = 8; - row_info->pixel_depth = 8; - row_info->rowbytes = row_width; - } - - if (trans_color != NULL) - { - if (row_info->bit_depth == 8) + case 2: { - gray = gray & 0xff; - sp = row + (png_size_t)row_width - 1; - dp = row + ((png_size_t)row_width << 1) - 1; - + gray = (gray & 0x03) * 0x55; + sp = row + (size_t)((row_width - 1) >> 2); + dp = row + (size_t)row_width - 1; + shift = (int)((3 - ((row_width + 3) & 0x03)) << 1); for (i = 0; i < row_width; i++) { - if ((*sp & 0xffU) == gray) - *dp-- = 0; + value = (*sp >> shift) & 0x03; + *dp = (png_byte)(value | (value << 2) | (value << 4) | + (value << 6)); + if (shift == 6) + { + shift = 0; + sp--; + } else - *dp-- = 0xff; + shift += 2; - *dp-- = *sp--; + dp--; } + break; } - else if (row_info->bit_depth == 16) + case 4: { - unsigned int gray_high = (gray >> 8) & 0xff; - unsigned int gray_low = gray & 0xff; - sp = row + row_info->rowbytes - 1; - dp = row + (row_info->rowbytes << 1) - 1; + gray = (gray & 0x0f) * 0x11; + sp = row + (size_t)((row_width - 1) >> 1); + dp = row + (size_t)row_width - 1; + shift = (int)((1 - ((row_width + 1) & 0x01)) << 2); for (i = 0; i < row_width; i++) { - if ((*(sp - 1) & 0xffU) == gray_high && - (*(sp) & 0xffU) == gray_low) + value = (*sp >> shift) & 0x0f; + *dp = (png_byte)(value | (value << 4)); + if (shift == 4) { - *dp-- = 0; - *dp-- = 0; + shift = 0; + sp--; } else - { - *dp-- = 0xff; - *dp-- = 0xff; - } + shift = 4; - *dp-- = *sp--; - *dp-- = *sp--; + dp--; } + break; } - row_info->color_type = PNG_COLOR_TYPE_GRAY_ALPHA; - row_info->channels = 2; - row_info->pixel_depth = (png_byte)(row_info->bit_depth << 1); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, - row_width); + default: + break; } + + row_info->bit_depth = 8; + row_info->pixel_depth = 8; + row_info->rowbytes = row_width; } - else if (row_info->color_type == PNG_COLOR_TYPE_RGB && - trans_color != NULL) + + if (trans_color != NULL) { if (row_info->bit_depth == 8) { - png_byte red = (png_byte)(trans_color->red & 0xff); - png_byte green = (png_byte)(trans_color->green & 0xff); - png_byte blue = (png_byte)(trans_color->blue & 0xff); - sp = row + (png_size_t)row_info->rowbytes - 1; - dp = row + ((png_size_t)row_width << 2) - 1; + gray = gray & 0xff; + sp = row + (size_t)row_width - 1; + dp = row + ((size_t)row_width << 1) - 1; + for (i = 0; i < row_width; i++) { - if (*(sp - 2) == red && *(sp - 1) == green && *(sp) == blue) + if ((*sp & 0xffU) == gray) *dp-- = 0; else *dp-- = 0xff; *dp-- = *sp--; - *dp-- = *sp--; - *dp-- = *sp--; } } + else if (row_info->bit_depth == 16) { - png_byte red_high = (png_byte)((trans_color->red >> 8) & 0xff); - png_byte green_high = (png_byte)((trans_color->green >> 8) & 0xff); - png_byte blue_high = (png_byte)((trans_color->blue >> 8) & 0xff); - png_byte red_low = (png_byte)(trans_color->red & 0xff); - png_byte green_low = (png_byte)(trans_color->green & 0xff); - png_byte blue_low = (png_byte)(trans_color->blue & 0xff); + unsigned int gray_high = (gray >> 8) & 0xff; + unsigned int gray_low = gray & 0xff; sp = row + row_info->rowbytes - 1; - dp = row + ((png_size_t)row_width << 3) - 1; + dp = row + (row_info->rowbytes << 1) - 1; for (i = 0; i < row_width; i++) { - if (*(sp - 5) == red_high && - *(sp - 4) == red_low && - *(sp - 3) == green_high && - *(sp - 2) == green_low && - *(sp - 1) == blue_high && - *(sp ) == blue_low) + if ((*(sp - 1) & 0xffU) == gray_high && + (*(sp) & 0xffU) == gray_low) { *dp-- = 0; *dp-- = 0; @@ -4567,17 +4499,80 @@ png_do_expand(png_row_infop row_info, png_bytep row, *dp-- = *sp--; *dp-- = *sp--; - *dp-- = *sp--; - *dp-- = *sp--; - *dp-- = *sp--; - *dp-- = *sp--; } } - row_info->color_type = PNG_COLOR_TYPE_RGB_ALPHA; - row_info->channels = 4; - row_info->pixel_depth = (png_byte)(row_info->bit_depth << 2); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); + + row_info->color_type = PNG_COLOR_TYPE_GRAY_ALPHA; + row_info->channels = 2; + row_info->pixel_depth = (png_byte)(row_info->bit_depth << 1); + row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, + row_width); + } + } + else if (row_info->color_type == PNG_COLOR_TYPE_RGB && + trans_color != NULL) + { + if (row_info->bit_depth == 8) + { + png_byte red = (png_byte)(trans_color->red & 0xff); + png_byte green = (png_byte)(trans_color->green & 0xff); + png_byte blue = (png_byte)(trans_color->blue & 0xff); + sp = row + (size_t)row_info->rowbytes - 1; + dp = row + ((size_t)row_width << 2) - 1; + for (i = 0; i < row_width; i++) + { + if (*(sp - 2) == red && *(sp - 1) == green && *(sp) == blue) + *dp-- = 0; + + else + *dp-- = 0xff; + + *dp-- = *sp--; + *dp-- = *sp--; + *dp-- = *sp--; + } + } + else if (row_info->bit_depth == 16) + { + png_byte red_high = (png_byte)((trans_color->red >> 8) & 0xff); + png_byte green_high = (png_byte)((trans_color->green >> 8) & 0xff); + png_byte blue_high = (png_byte)((trans_color->blue >> 8) & 0xff); + png_byte red_low = (png_byte)(trans_color->red & 0xff); + 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 + ((size_t)row_width << 3) - 1; + for (i = 0; i < row_width; i++) + { + if (*(sp - 5) == red_high && + *(sp - 4) == red_low && + *(sp - 3) == green_high && + *(sp - 2) == green_low && + *(sp - 1) == blue_high && + *(sp ) == blue_low) + { + *dp-- = 0; + *dp-- = 0; + } + + else + { + *dp-- = 0xff; + *dp-- = 0xff; + } + + *dp-- = *sp--; + *dp-- = *sp--; + *dp-- = *sp--; + *dp-- = *sp--; + *dp-- = *sp--; + *dp-- = *sp--; + } } + row_info->color_type = PNG_COLOR_TYPE_RGB_ALPHA; + row_info->channels = 4; + row_info->pixel_depth = (png_byte)(row_info->bit_depth << 2); + row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); } } #endif @@ -4760,8 +4755,7 @@ png_do_read_transformations(png_structrp png_ptr, png_row_infop row_info) &(png_ptr->trans_color)); else - png_do_expand(row_info, png_ptr->row_buf + 1, - NULL); + png_do_expand(row_info, png_ptr->row_buf + 1, NULL); } } #endif @@ -4985,7 +4979,7 @@ png_do_read_transformations(png_structrp png_ptr, png_row_infop row_info) (png_ptr, /* png_ptr */ row_info, /* row_info: */ /* png_uint_32 width; width of row */ - /* png_size_t rowbytes; number of bytes in row */ + /* size_t rowbytes; number of bytes in row */ /* png_byte color_type; color type of pixels */ /* png_byte bit_depth; bit depth of samples */ /* png_byte channels; number of channels (1-4) */ diff --git a/media/libpng/pngrutil.c b/media/libpng/pngrutil.c index 825dc0c439ac7..e8e5b50c4149c 100644 --- a/media/libpng/pngrutil.c +++ b/media/libpng/pngrutil.c @@ -1,8 +1,8 @@ /* pngrutil.c - utilities to read a PNG file * - * Last changed in libpng 1.6.33 [September 28, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -102,7 +102,7 @@ png_get_int_32)(png_const_bytep buf) png_uint_16 (PNGAPI png_get_uint_16)(png_const_bytep buf) { - /* ANSI-C requires an int value to accomodate at least 16 bits so this + /* ANSI-C requires an int value to accommodate at least 16 bits so this * works and allows the compiler not to worry about possible narrowing * on 32-bit systems. (Pre-ANSI systems did not make integers smaller * than 16 bits either.) @@ -120,7 +120,7 @@ png_get_uint_16)(png_const_bytep buf) void /* PRIVATE */ png_read_sig(png_structrp png_ptr, png_inforp info_ptr) { - png_size_t num_checked, num_to_check; + size_t num_checked, num_to_check; /* Exit if the user application does not expect a signature. */ if (png_ptr->sig_bytes >= 8) @@ -1653,7 +1653,7 @@ png_handle_sPLT(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length) int entry_size, i; png_uint_32 skip = 0; png_uint_32 dl; - png_size_t max_dl; + size_t max_dl; png_debug(1, "in png_handle_sPLT"); @@ -2002,6 +2002,15 @@ png_handle_bKGD(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length) else if ((png_ptr->color_type & PNG_COLOR_MASK_COLOR) == 0) /* GRAY */ { + if (png_ptr->bit_depth <= 8) + { + if (buf[0] != 0 || buf[1] >= (unsigned int)(1 << png_ptr->bit_depth)) + { + png_chunk_benign_error(png_ptr, "invalid gray level"); + return; + } + } + background.index = 0; background.red = background.green = @@ -2011,6 +2020,15 @@ png_handle_bKGD(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length) else { + if (png_ptr->bit_depth <= 8) + { + if (buf[0] != 0 || buf[2] != 0 || buf[4] != 0) + { + png_chunk_benign_error(png_ptr, "invalid color"); + return; + } + } + background.index = 0; background.red = png_get_uint_16(buf); background.green = png_get_uint_16(buf + 2); @@ -2364,7 +2382,7 @@ void /* PRIVATE */ png_handle_sCAL(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length) { png_bytep buffer; - png_size_t i; + size_t i; int state; png_debug(1, "in png_handle_sCAL"); @@ -2434,7 +2452,7 @@ png_handle_sCAL(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length) else { - png_size_t heighti = i; + size_t heighti = i; state = 0; if (png_check_fp_number((png_const_charp)buffer, length, @@ -3046,7 +3064,7 @@ png_cache_unknown_chunk(png_structrp png_ptr, png_uint_32 length) { PNG_CSTRING_FROM_CHUNK(png_ptr->unknown_chunk.name, png_ptr->chunk_name); /* The following is safe because of the PNG_SIZE_MAX init above */ - png_ptr->unknown_chunk.size = (png_size_t)length/*SAFE*/; + png_ptr->unknown_chunk.size = (size_t)length/*SAFE*/; /* 'mode' is a flag array, only the bottom four bits matter here */ png_ptr->unknown_chunk.location = (png_byte)png_ptr->mode/*SAFE*/; @@ -3332,10 +3350,13 @@ png_check_chunk_length(png_const_structrp png_ptr, const png_uint_32 length) { png_alloc_size_t idat_limit = PNG_UINT_31_MAX; size_t row_factor = - (png_ptr->width * png_ptr->channels * (png_ptr->bit_depth > 8? 2: 1) - + 1 + (png_ptr->interlaced? 6: 0)); + (size_t)png_ptr->width + * (size_t)png_ptr->channels + * (png_ptr->bit_depth > 8? 2: 1) + + 1 + + (png_ptr->interlaced? 6: 0); if (png_ptr->height > PNG_UINT_32_MAX/row_factor) - idat_limit=PNG_UINT_31_MAX; + idat_limit = PNG_UINT_31_MAX; else idat_limit = png_ptr->height * row_factor; row_factor = row_factor > 32566? 32566 : row_factor; @@ -3862,8 +3883,8 @@ png_do_read_interlace(png_row_infop row_info, png_bytep row, int pass, { case 1: { - png_bytep sp = row + (png_size_t)((row_info->width - 1) >> 3); - png_bytep dp = row + (png_size_t)((final_width - 1) >> 3); + png_bytep sp = row + (size_t)((row_info->width - 1) >> 3); + png_bytep dp = row + (size_t)((final_width - 1) >> 3); unsigned int sshift, dshift; unsigned int s_start, s_end; int s_inc; @@ -3989,8 +4010,8 @@ png_do_read_interlace(png_row_infop row_info, png_bytep row, int pass, case 4: { - png_bytep sp = row + (png_size_t)((row_info->width - 1) >> 1); - png_bytep dp = row + (png_size_t)((final_width - 1) >> 1); + png_bytep sp = row + (size_t)((row_info->width - 1) >> 1); + png_bytep dp = row + (size_t)((final_width - 1) >> 1); unsigned int sshift, dshift; unsigned int s_start, s_end; int s_inc; @@ -4052,12 +4073,12 @@ png_do_read_interlace(png_row_infop row_info, png_bytep row, int pass, default: { - png_size_t pixel_bytes = (row_info->pixel_depth >> 3); + size_t pixel_bytes = (row_info->pixel_depth >> 3); - png_bytep sp = row + (png_size_t)(row_info->width - 1) + png_bytep sp = row + (size_t)(row_info->width - 1) * pixel_bytes; - png_bytep dp = row + (png_size_t)(final_width - 1) * pixel_bytes; + png_bytep dp = row + (size_t)(final_width - 1) * pixel_bytes; int jstop = (int)png_pass_inc[pass]; png_uint_32 i; @@ -4094,8 +4115,8 @@ static void png_read_filter_row_sub(png_row_infop row_info, png_bytep row, png_const_bytep prev_row) { - png_size_t i; - png_size_t istop = row_info->rowbytes; + size_t i; + size_t istop = row_info->rowbytes; unsigned int bpp = (row_info->pixel_depth + 7) >> 3; png_bytep rp = row + bpp; @@ -4112,8 +4133,8 @@ static void png_read_filter_row_up(png_row_infop row_info, png_bytep row, png_const_bytep prev_row) { - png_size_t i; - png_size_t istop = row_info->rowbytes; + size_t i; + size_t istop = row_info->rowbytes; png_bytep rp = row; png_const_bytep pp = prev_row; @@ -4128,11 +4149,11 @@ static void png_read_filter_row_avg(png_row_infop row_info, png_bytep row, png_const_bytep prev_row) { - png_size_t i; + size_t i; png_bytep rp = row; png_const_bytep pp = prev_row; unsigned int bpp = (row_info->pixel_depth + 7) >> 3; - png_size_t istop = row_info->rowbytes - bpp; + size_t istop = row_info->rowbytes - bpp; for (i = 0; i < bpp; i++) { @@ -4604,7 +4625,7 @@ png_read_start_row(png_structrp png_ptr) static PNG_CONST png_byte png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2}; unsigned int max_pixel_depth; - png_size_t row_bytes; + size_t row_bytes; png_debug(1, "in png_read_start_row"); diff --git a/media/libpng/pngset.c b/media/libpng/pngset.c index f05be25d0f3e9..a91f7feae3d88 100644 --- a/media/libpng/pngset.c +++ b/media/libpng/pngset.c @@ -1,8 +1,8 @@ /* pngset.c - storage of image information into info struct * - * Last changed in libpng 1.6.32 [August 24, 2017] - * Copyright (c) 1998-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2018 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.) * @@ -318,7 +318,7 @@ png_set_pCAL(png_const_structrp png_ptr, png_inforp info_ptr, png_const_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams, png_const_charp units, png_charpp params) { - png_size_t length; + size_t length; int i; png_debug1(1, "in %s storage function", "pCAL"); @@ -395,7 +395,7 @@ png_set_pCAL(png_const_structrp png_ptr, png_inforp info_ptr, memcpy(info_ptr->pcal_units, units, length); info_ptr->pcal_params = png_voidcast(png_charpp, png_malloc_warn(png_ptr, - (png_size_t)(((unsigned int)nparams + 1) * (sizeof (png_charp))))); + (size_t)(((unsigned int)nparams + 1) * (sizeof (png_charp))))); if (info_ptr->pcal_params == NULL) { @@ -435,7 +435,7 @@ void PNGAPI png_set_sCAL_s(png_const_structrp png_ptr, png_inforp info_ptr, int unit, png_const_charp swidth, png_const_charp sheight) { - png_size_t lengthw = 0, lengthh = 0; + size_t lengthw = 0, lengthh = 0; png_debug1(1, "in %s storage function", "sCAL"); @@ -696,7 +696,7 @@ png_set_iCCP(png_const_structrp png_ptr, png_inforp info_ptr, { png_charp new_iccp_name; png_bytep new_iccp_profile; - png_size_t length; + size_t length; png_debug1(1, "in %s storage function", "iCCP"); @@ -1023,7 +1023,7 @@ png_set_tRNS(png_structrp png_ptr, png_inforp info_ptr, /* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */ info_ptr->trans_alpha = png_voidcast(png_bytep, png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH)); - memcpy(info_ptr->trans_alpha, trans_alpha, (png_size_t)num_trans); + memcpy(info_ptr->trans_alpha, trans_alpha, (size_t)num_trans); } png_ptr->trans_alpha = info_ptr->trans_alpha; } @@ -1103,7 +1103,7 @@ png_set_sPLT(png_const_structrp png_ptr, do { - png_size_t length; + size_t length; /* Skip invalid input entries */ if (entries->name == NULL || entries->entries == NULL) @@ -1708,7 +1708,7 @@ png_set_rows(png_const_structrp png_ptr, png_inforp info_ptr, #endif void PNGAPI -png_set_compression_buffer_size(png_structrp png_ptr, png_size_t size) +png_set_compression_buffer_size(png_structrp png_ptr, size_t size) { if (png_ptr == NULL) return; diff --git a/media/libpng/pngstruct.h b/media/libpng/pngstruct.h index cea217103e827..7cf27d5028c6d 100644 --- a/media/libpng/pngstruct.h +++ b/media/libpng/pngstruct.h @@ -1,8 +1,8 @@ /* pngstruct.h - header file for PNG reference library * - * Last changed in libpng 1.6.32 [August 24, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -47,7 +47,7 @@ /* zlib.h declares a magic type 'uInt' that limits the amount of data that zlib * can handle at once. This type need be no larger than 16 bits (so maximum of * 65535), this define allows us to discover how big it is, but limited by the - * maximuum for png_size_t. The value can be overriden in a library build + * maximum for size_t. The value can be overridden in a library build * (pngusr.h, or set it in CPPFLAGS) and it works to set it to a considerably * lower value (e.g. 255 works). A lower value may help memory usage (slightly) * and may even improve performance on some systems (and degrade it on others.) @@ -214,7 +214,7 @@ struct png_struct_def png_uint_32 height; /* height of image in pixels */ png_uint_32 num_rows; /* number of rows in current pass */ png_uint_32 usr_width; /* width of row at start of write */ - png_size_t rowbytes; /* size of row in bytes */ + size_t rowbytes; /* size of row in bytes */ png_uint_32 iwidth; /* width of current interlaced row in pixels */ png_uint_32 row_number; /* current row in interlace pass */ png_uint_32 chunk_name; /* PNG_CHUNK() id of current chunk */ @@ -232,7 +232,7 @@ struct png_struct_def png_bytep try_row; /* buffer to save trial row when filtering */ png_bytep tst_row; /* buffer to save best trial row when filtering */ #endif - png_size_t info_rowbytes; /* Added in 1.5.4: cache of updated row bytes */ + size_t info_rowbytes; /* Added in 1.5.4: cache of updated row bytes */ png_uint_32 idat_size; /* current IDAT size for read */ png_uint_32 crc; /* current chunk CRC value */ @@ -307,7 +307,7 @@ struct png_struct_def #endif #if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED) - png_color_8 shift; /* shift for significant bit tranformation */ + png_color_8 shift; /* shift for significant bit transformation */ #endif #if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) \ @@ -328,10 +328,10 @@ struct png_struct_def png_bytep current_buffer; /* buffer for recently used data */ png_uint_32 push_length; /* size of current input chunk */ png_uint_32 skip_length; /* bytes to skip in input data */ - png_size_t save_buffer_size; /* amount of data now in save_buffer */ - png_size_t save_buffer_max; /* total size of save_buffer */ - png_size_t buffer_size; /* total amount of available input data */ - png_size_t current_buffer_size; /* amount of data now in current_buffer */ + size_t save_buffer_size; /* amount of data now in save_buffer */ + size_t save_buffer_max; /* total size of save_buffer */ + size_t buffer_size; /* total amount of available input data */ + 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 */ @@ -472,7 +472,7 @@ struct png_struct_def #endif /* New member added in libpng-1.2.26 */ - png_size_t old_big_row_buf_size; + size_t old_big_row_buf_size; #ifdef PNG_READ_SUPPORTED /* New member added in libpng-1.2.30 */ diff --git a/media/libpng/pngtrans.c b/media/libpng/pngtrans.c index 6882f0fd7b70c..de84aa6d6b037 100644 --- a/media/libpng/pngtrans.c +++ b/media/libpng/pngtrans.c @@ -1,8 +1,8 @@ /* pngtrans.c - transforms the data in a row (used by both readers and writers) * - * Last changed in libpng 1.6.33 [September 28, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -269,8 +269,8 @@ png_do_invert(png_row_infop row_info, png_bytep row) if (row_info->color_type == PNG_COLOR_TYPE_GRAY) { png_bytep rp = row; - png_size_t i; - png_size_t istop = row_info->rowbytes; + size_t i; + size_t istop = row_info->rowbytes; for (i = 0; i < istop; i++) { @@ -283,8 +283,8 @@ png_do_invert(png_row_infop row_info, png_bytep row) row_info->bit_depth == 8) { png_bytep rp = row; - png_size_t i; - png_size_t istop = row_info->rowbytes; + size_t i; + size_t istop = row_info->rowbytes; for (i = 0; i < istop; i += 2) { @@ -298,8 +298,8 @@ png_do_invert(png_row_infop row_info, png_bytep row) row_info->bit_depth == 16) { png_bytep rp = row; - png_size_t i; - png_size_t istop = row_info->rowbytes; + size_t i; + size_t istop = row_info->rowbytes; for (i = 0; i < istop; i += 4) { @@ -609,7 +609,7 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start) return; /* The filler channel has gone already */ /* Fix the rowbytes value. */ - row_info->rowbytes = (png_size_t)(dp-row); + row_info->rowbytes = (size_t)(dp-row); } #endif diff --git a/media/libpng/pngwio.c b/media/libpng/pngwio.c index 37c7c3a7f05a6..e5391687a2eea 100644 --- a/media/libpng/pngwio.c +++ b/media/libpng/pngwio.c @@ -1,8 +1,8 @@ /* pngwio.c - functions for data output * - * Last changed in libpng 1.6.24 [August 4, 2016] - * Copyright (c) 1998-2002,2004,2006-2014,2016 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2014,2016,2018 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.) * @@ -30,7 +30,7 @@ */ void /* PRIVATE */ -png_write_data(png_structrp png_ptr, png_const_bytep data, png_size_t length) +png_write_data(png_structrp png_ptr, png_const_bytep data, size_t length) { /* NOTE: write_data_fn must not change the buffer! */ if (png_ptr->write_data_fn != NULL ) @@ -48,9 +48,9 @@ png_write_data(png_structrp png_ptr, png_const_bytep data, png_size_t length) * than changing the library. */ void PNGCBAPI -png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) +png_default_write_data(png_structp png_ptr, png_bytep data, size_t length) { - png_size_t check; + size_t check; if (png_ptr == NULL) return; diff --git a/media/libpng/pngwrite.c b/media/libpng/pngwrite.c index 352a0a1b3081b..52591cd3e43d2 100644 --- a/media/libpng/pngwrite.c +++ b/media/libpng/pngwrite.c @@ -1,8 +1,8 @@ /* pngwrite.c - general routines to write a PNG file * - * Last changed in libpng 1.6.32 [August 24, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -1645,7 +1645,7 @@ png_write_image_16bit(png_voidp argument) * calculation can be done to 15 bits of accuracy; however, the output needs to * be scaled in the range 0..255*65535, so include that scaling here. */ -# define UNP_RECIPROCAL(alpha) ((((0xffff*0xff)<<7)+(alpha>>1))/alpha) +# define UNP_RECIPROCAL(alpha) ((((0xffff*0xff)<<7)+((alpha)>>1))/(alpha)) static png_byte png_unpremultiply(png_uint_32 component, png_uint_32 alpha, @@ -2171,8 +2171,7 @@ png_image_write_main(png_voidp argument) static void (PNGCBAPI -image_memory_write)(png_structp png_ptr, png_bytep/*const*/ data, - png_size_t size) +image_memory_write)(png_structp png_ptr, png_bytep/*const*/ data, size_t size) { png_image_write_control *display = png_voidcast(png_image_write_control*, png_ptr->io_ptr/*backdoor: png_get_io_ptr(png_ptr)*/); diff --git a/media/libpng/pngwtran.c b/media/libpng/pngwtran.c index 377b43e5ca8e1..3a1e0a21d2578 100644 --- a/media/libpng/pngwtran.c +++ b/media/libpng/pngwtran.c @@ -1,8 +1,8 @@ /* pngwtran.c - transforms the data in a row for PNG writers * - * Last changed in libpng 1.6.26 [October 20, 2016] - * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2016,2018 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.) * @@ -212,9 +212,9 @@ png_do_shift(png_row_infop row_info, png_bytep row, if (row_info->bit_depth < 8) { png_bytep bp = row; - png_size_t i; + size_t i; unsigned int mask; - png_size_t row_bytes = row_info->rowbytes; + size_t row_bytes = row_info->rowbytes; if (bit_depth->gray == 1 && row_info->bit_depth == 2) mask = 0x55; @@ -514,7 +514,7 @@ png_do_write_transformations(png_structrp png_ptr, png_row_infop row_info) (png_ptr, /* png_ptr */ row_info, /* row_info: */ /* png_uint_32 width; width of row */ - /* png_size_t rowbytes; number of bytes in row */ + /* size_t rowbytes; number of bytes in row */ /* png_byte color_type; color type of pixels */ /* png_byte bit_depth; bit depth of samples */ /* png_byte channels; number of channels (1-4) */ diff --git a/media/libpng/pngwutil.c b/media/libpng/pngwutil.c index c72b116d3b28c..43deeb9d40ab2 100644 --- a/media/libpng/pngwutil.c +++ b/media/libpng/pngwutil.c @@ -1,8 +1,8 @@ /* pngwutil.c - utilities to write a PNG file * - * Last changed in libpng 1.6.32 [August 24, 2017] - * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 1998-2002,2004,2006-2018 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.) * @@ -59,7 +59,7 @@ png_write_sig(png_structrp png_ptr) /* Write the rest of the 8 byte signature */ png_write_data(png_ptr, &png_signature[png_ptr->sig_bytes], - (png_size_t)(8 - png_ptr->sig_bytes)); + (size_t)(8 - png_ptr->sig_bytes)); if (png_ptr->sig_bytes < 3) png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE; @@ -124,8 +124,7 @@ png_write_chunk_start(png_structrp png_ptr, png_const_bytep chunk_string, * given to png_write_chunk_header(). */ void PNGAPI -png_write_chunk_data(png_structrp png_ptr, png_const_bytep data, - png_size_t length) +png_write_chunk_data(png_structrp png_ptr, png_const_bytep data, size_t length) { /* Write the data, and run the CRC over it */ if (png_ptr == NULL) @@ -160,7 +159,7 @@ png_write_chunk_end(png_structrp png_ptr) /* Write the crc in a single operation */ png_save_uint_32(buf, png_ptr->crc); - png_write_data(png_ptr, buf, (png_size_t)4); + png_write_data(png_ptr, buf, 4); } /* Write a PNG chunk all at once. The type is an array of ASCII characters @@ -174,7 +173,7 @@ png_write_chunk_end(png_structrp png_ptr) */ static void png_write_complete_chunk(png_structrp png_ptr, png_uint_32 chunk_name, - png_const_bytep data, png_size_t length) + png_const_bytep data, size_t length) { if (png_ptr == NULL) return; @@ -191,7 +190,7 @@ png_write_complete_chunk(png_structrp png_ptr, png_uint_32 chunk_name, /* This is the API that calls the internal function above. */ void PNGAPI png_write_chunk(png_structrp png_ptr, png_const_bytep chunk_string, - png_const_bytep data, png_size_t length) + png_const_bytep data, size_t length) { png_write_complete_chunk(png_ptr, PNG_CHUNK_FROM_STRING(chunk_string), data, length); @@ -820,7 +819,7 @@ png_write_IHDR(png_structrp png_ptr, png_uint_32 width, png_uint_32 height, buf[12] = (png_byte)interlace_type; /* Write the chunk */ - png_write_complete_chunk(png_ptr, png_IHDR, buf, (png_size_t)13); + png_write_complete_chunk(png_ptr, png_IHDR, buf, 13); #ifdef PNG_WRITE_APNG_SUPPORTED png_ptr->first_frame_width = width; @@ -894,7 +893,7 @@ png_write_PLTE(png_structrp png_ptr, png_const_colorp palette, buf[0] = pal_ptr->red; buf[1] = pal_ptr->green; buf[2] = pal_ptr->blue; - png_write_chunk_data(png_ptr, buf, (png_size_t)3); + png_write_chunk_data(png_ptr, buf, 3); } #else @@ -908,7 +907,7 @@ png_write_PLTE(png_structrp png_ptr, png_const_colorp palette, buf[0] = pal_ptr[i].red; buf[1] = pal_ptr[i].green; buf[2] = pal_ptr[i].blue; - png_write_chunk_data(png_ptr, buf, (png_size_t)3); + png_write_chunk_data(png_ptr, buf, 3); } #endif @@ -1100,7 +1099,7 @@ png_write_IEND(png_structrp png_ptr) { png_debug(1, "in png_write_IEND"); - png_write_complete_chunk(png_ptr, png_IEND, NULL, (png_size_t)0); + png_write_complete_chunk(png_ptr, png_IEND, NULL, 0); png_ptr->mode |= PNG_HAVE_IEND; } @@ -1115,7 +1114,7 @@ png_write_gAMA_fixed(png_structrp png_ptr, png_fixed_point file_gamma) /* file_gamma is saved in 1/100,000ths */ png_save_uint_32(buf, (png_uint_32)file_gamma); - png_write_complete_chunk(png_ptr, png_gAMA, buf, (png_size_t)4); + png_write_complete_chunk(png_ptr, png_gAMA, buf, 4); } #endif @@ -1133,7 +1132,7 @@ png_write_sRGB(png_structrp png_ptr, int srgb_intent) "Invalid sRGB rendering intent specified"); buf[0]=(png_byte)srgb_intent; - png_write_complete_chunk(png_ptr, png_sRGB, buf, (png_size_t)1); + png_write_complete_chunk(png_ptr, png_sRGB, buf, 1); } #endif @@ -1207,8 +1206,8 @@ png_write_sPLT(png_structrp png_ptr, png_const_sPLT_tp spalette) png_uint_32 name_len; png_byte new_name[80]; png_byte entrybuf[10]; - png_size_t entry_size = (spalette->depth == 8 ? 6 : 10); - png_size_t palette_size = entry_size * (png_size_t)spalette->nentries; + size_t entry_size = (spalette->depth == 8 ? 6 : 10); + size_t palette_size = entry_size * (size_t)spalette->nentries; png_sPLT_entryp ep; #ifndef PNG_POINTER_INDEXING_SUPPORTED int i; @@ -1225,10 +1224,9 @@ png_write_sPLT(png_structrp png_ptr, png_const_sPLT_tp spalette) png_write_chunk_header(png_ptr, png_sPLT, (png_uint_32)(name_len + 2 + palette_size)); - png_write_chunk_data(png_ptr, (png_bytep)new_name, - (png_size_t)(name_len + 1)); + png_write_chunk_data(png_ptr, (png_bytep)new_name, (size_t)(name_len + 1)); - png_write_chunk_data(png_ptr, &spalette->depth, (png_size_t)1); + png_write_chunk_data(png_ptr, &spalette->depth, 1); /* Loop through each palette entry, writing appropriately */ #ifdef PNG_POINTER_INDEXING_SUPPORTED @@ -1290,7 +1288,7 @@ void /* PRIVATE */ png_write_sBIT(png_structrp png_ptr, png_const_color_8p sbit, int color_type) { png_byte buf[4]; - png_size_t size; + size_t size; png_debug(1, "in png_write_sBIT"); @@ -1390,7 +1388,7 @@ png_write_tRNS(png_structrp png_ptr, png_const_bytep trans_alpha, /* Write the chunk out as it is */ png_write_complete_chunk(png_ptr, png_tRNS, trans_alpha, - (png_size_t)num_trans); + (size_t)num_trans); } else if (color_type == PNG_COLOR_TYPE_GRAY) @@ -1405,7 +1403,7 @@ png_write_tRNS(png_structrp png_ptr, png_const_bytep trans_alpha, } png_save_uint_16(buf, tran->gray); - png_write_complete_chunk(png_ptr, png_tRNS, buf, (png_size_t)2); + png_write_complete_chunk(png_ptr, png_tRNS, buf, 2); } else if (color_type == PNG_COLOR_TYPE_RGB) @@ -1425,7 +1423,7 @@ png_write_tRNS(png_structrp png_ptr, png_const_bytep trans_alpha, return; } - png_write_complete_chunk(png_ptr, png_tRNS, buf, (png_size_t)6); + png_write_complete_chunk(png_ptr, png_tRNS, buf, 6); } else @@ -1458,7 +1456,7 @@ png_write_bKGD(png_structrp png_ptr, png_const_color_16p back, int color_type) } buf[0] = back->index; - png_write_complete_chunk(png_ptr, png_bKGD, buf, (png_size_t)1); + png_write_complete_chunk(png_ptr, png_bKGD, buf, 1); } else if ((color_type & PNG_COLOR_MASK_COLOR) != 0) @@ -1479,7 +1477,7 @@ png_write_bKGD(png_structrp png_ptr, png_const_color_16p back, int color_type) return; } - png_write_complete_chunk(png_ptr, png_bKGD, buf, (png_size_t)6); + png_write_complete_chunk(png_ptr, png_bKGD, buf, 6); } else @@ -1493,7 +1491,7 @@ png_write_bKGD(png_structrp png_ptr, png_const_color_16p back, int color_type) } png_save_uint_16(buf, back->gray); - png_write_complete_chunk(png_ptr, png_bKGD, buf, (png_size_t)2); + png_write_complete_chunk(png_ptr, png_bKGD, buf, 2); } } #endif @@ -1513,7 +1511,7 @@ png_write_eXIf(png_structrp png_ptr, png_bytep exif, int num_exif) for (i = 0; i < num_exif; i++) { buf[0] = exif[i]; - png_write_chunk_data(png_ptr, buf, (png_size_t)1); + png_write_chunk_data(png_ptr, buf, 1); } png_write_chunk_end(png_ptr); @@ -1544,7 +1542,7 @@ png_write_hIST(png_structrp png_ptr, png_const_uint_16p hist, int num_hist) for (i = 0; i < num_hist; i++) { png_save_uint_16(buf, hist[i]); - png_write_chunk_data(png_ptr, buf, (png_size_t)2); + png_write_chunk_data(png_ptr, buf, 2); } png_write_chunk_end(png_ptr); @@ -1555,7 +1553,7 @@ png_write_hIST(png_structrp png_ptr, png_const_uint_16p hist, int num_hist) /* Write a tEXt chunk */ void /* PRIVATE */ png_write_tEXt(png_structrp png_ptr, png_const_charp key, png_const_charp text, - png_size_t text_len) + size_t text_len) { png_uint_32 key_len; png_byte new_key[80]; @@ -1652,7 +1650,7 @@ png_write_iTXt(png_structrp png_ptr, int compression, png_const_charp key, png_const_charp lang, png_const_charp lang_key, png_const_charp text) { png_uint_32 key_len, prefix_len; - png_size_t lang_len, lang_key_len; + size_t lang_len, lang_key_len; png_byte new_key[82]; compression_state comp; @@ -1762,7 +1760,7 @@ png_write_oFFs(png_structrp png_ptr, png_int_32 x_offset, png_int_32 y_offset, png_save_int_32(buf + 4, y_offset); buf[8] = (png_byte)unit_type; - png_write_complete_chunk(png_ptr, png_oFFs, buf, (png_size_t)9); + png_write_complete_chunk(png_ptr, png_oFFs, buf, 9); } #endif #ifdef PNG_WRITE_pCAL_SUPPORTED @@ -1773,7 +1771,7 @@ png_write_pCAL(png_structrp png_ptr, png_charp purpose, png_int_32 X0, png_charpp params) { png_uint_32 purpose_len; - png_size_t units_len, total_len; + size_t units_len, total_len; png_size_tp params_len; png_byte buf[10]; png_byte new_purpose[80]; @@ -1797,7 +1795,7 @@ png_write_pCAL(png_structrp png_ptr, png_charp purpose, png_int_32 X0, total_len = purpose_len + units_len + 10; params_len = (png_size_tp)png_malloc(png_ptr, - (png_alloc_size_t)((png_alloc_size_t)nparams * (sizeof (png_size_t)))); + (png_alloc_size_t)((png_alloc_size_t)nparams * (sizeof (size_t)))); /* Find the length of each parameter, making sure we don't count the * null terminator for the last parameter. @@ -1817,8 +1815,8 @@ png_write_pCAL(png_structrp png_ptr, png_charp purpose, png_int_32 X0, png_save_int_32(buf + 4, X1); buf[8] = (png_byte)type; buf[9] = (png_byte)nparams; - png_write_chunk_data(png_ptr, buf, (png_size_t)10); - png_write_chunk_data(png_ptr, (png_const_bytep)units, (png_size_t)units_len); + png_write_chunk_data(png_ptr, buf, 10); + png_write_chunk_data(png_ptr, (png_const_bytep)units, (size_t)units_len); for (i = 0; i < nparams; i++) { @@ -1837,7 +1835,7 @@ png_write_sCAL_s(png_structrp png_ptr, int unit, png_const_charp width, png_const_charp height) { png_byte buf[64]; - png_size_t wlen, hlen, total_len; + size_t wlen, hlen, total_len; png_debug(1, "in png_write_sCAL_s"); @@ -1878,7 +1876,7 @@ png_write_pHYs(png_structrp png_ptr, png_uint_32 x_pixels_per_unit, png_save_uint_32(buf + 4, y_pixels_per_unit); buf[8] = (png_byte)unit_type; - png_write_complete_chunk(png_ptr, png_pHYs, buf, (png_size_t)9); + png_write_complete_chunk(png_ptr, png_pHYs, buf, 9); } #endif @@ -1908,7 +1906,7 @@ png_write_tIME(png_structrp png_ptr, png_const_timep mod_time) buf[5] = mod_time->minute; buf[6] = mod_time->second; - png_write_complete_chunk(png_ptr, png_tIME, buf, (png_size_t)7); + png_write_complete_chunk(png_ptr, png_tIME, buf, 7); } #endif @@ -2174,8 +2172,8 @@ png_write_finish_row(png_structrp png_ptr) { if (png_ptr->prev_row != NULL) memset(png_ptr->prev_row, 0, - (png_size_t)(PNG_ROWBYTES(png_ptr->usr_channels* - png_ptr->usr_bit_depth, png_ptr->width)) + 1); + PNG_ROWBYTES(png_ptr->usr_channels * + png_ptr->usr_bit_depth, png_ptr->width) + 1); return; } @@ -2231,7 +2229,7 @@ png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass) for (i = png_pass_start[pass]; i < row_width; i += png_pass_inc[pass]) { - sp = row + (png_size_t)(i >> 3); + sp = row + (size_t)(i >> 3); value = (int)(*sp >> (7 - (int)(i & 0x07))) & 0x01; d |= (value << shift); @@ -2269,7 +2267,7 @@ png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass) for (i = png_pass_start[pass]; i < row_width; i += png_pass_inc[pass]) { - sp = row + (png_size_t)(i >> 2); + sp = row + (size_t)(i >> 2); value = (*sp >> ((3 - (int)(i & 0x03)) << 1)) & 0x03; d |= (value << shift); @@ -2305,7 +2303,7 @@ png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass) for (i = png_pass_start[pass]; i < row_width; i += png_pass_inc[pass]) { - sp = row + (png_size_t)(i >> 1); + sp = row + (size_t)(i >> 1); value = (*sp >> ((1 - (int)(i & 0x01)) << 2)) & 0x0f; d |= (value << shift); @@ -2331,7 +2329,7 @@ png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass) png_bytep dp; png_uint_32 i; png_uint_32 row_width = row_info->width; - png_size_t pixel_bytes; + size_t pixel_bytes; /* Start at the beginning */ dp = row; @@ -2344,7 +2342,7 @@ png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass) i += png_pass_inc[pass]) { /* Find out where the original pixel is */ - sp = row + (png_size_t)i * pixel_bytes; + sp = row + (size_t)i * pixel_bytes; /* Move the pixel */ if (dp != sp) @@ -2375,16 +2373,16 @@ png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass) */ static void /* PRIVATE */ png_write_filtered_row(png_structrp png_ptr, png_bytep filtered_row, - png_size_t row_bytes); + size_t row_bytes); #ifdef PNG_WRITE_FILTER_SUPPORTED -static png_size_t /* PRIVATE */ +static size_t /* PRIVATE */ png_setup_sub_row(png_structrp png_ptr, const png_uint_32 bpp, - const png_size_t row_bytes, const png_size_t lmins) + size_t row_bytes, size_t lmins) { png_bytep rp, dp, lp; - png_size_t i; - png_size_t sum = 0; + size_t i; + size_t sum = 0; unsigned int v; png_ptr->try_row[0] = PNG_FILTER_VALUE_SUB; @@ -2419,10 +2417,10 @@ png_setup_sub_row(png_structrp png_ptr, const png_uint_32 bpp, static void /* PRIVATE */ png_setup_sub_row_only(png_structrp png_ptr, const png_uint_32 bpp, - const png_size_t row_bytes) + size_t row_bytes) { png_bytep rp, dp, lp; - png_size_t i; + size_t i; png_ptr->try_row[0] = PNG_FILTER_VALUE_SUB; @@ -2439,13 +2437,12 @@ png_setup_sub_row_only(png_structrp png_ptr, const png_uint_32 bpp, } } -static png_size_t /* PRIVATE */ -png_setup_up_row(png_structrp png_ptr, const png_size_t row_bytes, - const png_size_t lmins) +static size_t /* PRIVATE */ +png_setup_up_row(png_structrp png_ptr, size_t row_bytes, size_t lmins) { png_bytep rp, dp, pp; - png_size_t i; - png_size_t sum = 0; + size_t i; + size_t sum = 0; unsigned int v; png_ptr->try_row[0] = PNG_FILTER_VALUE_UP; @@ -2468,10 +2465,10 @@ png_setup_up_row(png_structrp png_ptr, const png_size_t row_bytes, return (sum); } static void /* PRIVATE */ -png_setup_up_row_only(png_structrp png_ptr, const png_size_t row_bytes) +png_setup_up_row_only(png_structrp png_ptr, size_t row_bytes) { png_bytep rp, dp, pp; - png_size_t i; + size_t i; png_ptr->try_row[0] = PNG_FILTER_VALUE_UP; @@ -2483,13 +2480,13 @@ png_setup_up_row_only(png_structrp png_ptr, const png_size_t row_bytes) } } -static png_size_t /* PRIVATE */ +static size_t /* PRIVATE */ png_setup_avg_row(png_structrp png_ptr, const png_uint_32 bpp, - const png_size_t row_bytes, const png_size_t lmins) + size_t row_bytes, size_t lmins) { png_bytep rp, dp, pp, lp; png_uint_32 i; - png_size_t sum = 0; + size_t sum = 0; unsigned int v; png_ptr->try_row[0] = PNG_FILTER_VALUE_AVG; @@ -2525,7 +2522,7 @@ png_setup_avg_row(png_structrp png_ptr, const png_uint_32 bpp, } static void /* PRIVATE */ png_setup_avg_row_only(png_structrp png_ptr, const png_uint_32 bpp, - const png_size_t row_bytes) + size_t row_bytes) { png_bytep rp, dp, pp, lp; png_uint_32 i; @@ -2545,13 +2542,13 @@ png_setup_avg_row_only(png_structrp png_ptr, const png_uint_32 bpp, } } -static png_size_t /* PRIVATE */ +static size_t /* PRIVATE */ png_setup_paeth_row(png_structrp png_ptr, const png_uint_32 bpp, - const png_size_t row_bytes, const png_size_t lmins) + size_t row_bytes, size_t lmins) { png_bytep rp, dp, pp, cp, lp; - png_size_t i; - png_size_t sum = 0; + size_t i; + size_t sum = 0; unsigned int v; png_ptr->try_row[0] = PNG_FILTER_VALUE_PAETH; @@ -2608,10 +2605,10 @@ png_setup_paeth_row(png_structrp png_ptr, const png_uint_32 bpp, } static void /* PRIVATE */ png_setup_paeth_row_only(png_structrp png_ptr, const png_uint_32 bpp, - const png_size_t row_bytes) + size_t row_bytes) { png_bytep rp, dp, pp, cp, lp; - png_size_t i; + size_t i; png_ptr->try_row[0] = PNG_FILTER_VALUE_PAETH; @@ -2660,8 +2657,8 @@ png_write_find_filter(png_structrp png_ptr, png_row_infop row_info) png_bytep row_buf; png_bytep best_row; png_uint_32 bpp; - png_size_t mins; - png_size_t row_bytes = row_info->rowbytes; + size_t mins; + size_t row_bytes = row_info->rowbytes; png_debug(1, "in png_write_find_filter"); @@ -2716,8 +2713,8 @@ png_write_find_filter(png_structrp png_ptr, png_row_infop row_info) * 'none' filter. */ png_bytep rp; - png_size_t sum = 0; - png_size_t i; + size_t sum = 0; + size_t i; unsigned int v; { @@ -2745,8 +2742,8 @@ png_write_find_filter(png_structrp png_ptr, png_row_infop row_info) else if ((filter_to_do & PNG_FILTER_SUB) != 0) { - png_size_t sum; - png_size_t lmins = mins; + size_t sum; + size_t lmins = mins; sum = png_setup_sub_row(png_ptr, bpp, row_bytes, lmins); @@ -2771,8 +2768,8 @@ png_write_find_filter(png_structrp png_ptr, png_row_infop row_info) else if ((filter_to_do & PNG_FILTER_UP) != 0) { - png_size_t sum; - png_size_t lmins = mins; + size_t sum; + size_t lmins = mins; sum = png_setup_up_row(png_ptr, row_bytes, lmins); @@ -2797,8 +2794,8 @@ png_write_find_filter(png_structrp png_ptr, png_row_infop row_info) else if ((filter_to_do & PNG_FILTER_AVG) != 0) { - png_size_t sum; - png_size_t lmins = mins; + size_t sum; + size_t lmins = mins; sum= png_setup_avg_row(png_ptr, bpp, row_bytes, lmins); @@ -2823,8 +2820,8 @@ png_write_find_filter(png_structrp png_ptr, png_row_infop row_info) else if ((filter_to_do & PNG_FILTER_PAETH) != 0) { - png_size_t sum; - png_size_t lmins = mins; + size_t sum; + size_t lmins = mins; sum = png_setup_paeth_row(png_ptr, bpp, row_bytes, lmins); @@ -2849,7 +2846,7 @@ png_write_find_filter(png_structrp png_ptr, png_row_infop row_info) /* Do the actual writing of a previously filtered row. */ static void png_write_filtered_row(png_structrp png_ptr, png_bytep filtered_row, - png_size_t full_row_length/*includes filter byte*/) + size_t full_row_length/*includes filter byte*/) { png_debug(1, "in png_write_filtered_row"); diff --git a/media/libpng/powerpc/filter_vsx_intrinsics.c b/media/libpng/powerpc/filter_vsx_intrinsics.c index e3de496bdc97e..39521cfc8af34 100644 --- a/media/libpng/powerpc/filter_vsx_intrinsics.c +++ b/media/libpng/powerpc/filter_vsx_intrinsics.c @@ -42,8 +42,8 @@ png_byte i;\ png_bytep rp = row + offset;\ png_const_bytep pp = prev_row;\ - png_size_t unaligned_top = 16 - (((png_size_t)rp % 16));\ - png_size_t istop;\ + size_t unaligned_top = 16 - (((size_t)rp % 16));\ + size_t istop;\ if(unaligned_top == 16)\ unaligned_top = 0;\ istop = row_info->rowbytes;\ diff --git a/old-configure.in b/old-configure.in index 3f3d1c4aaae8b..e84b0e134581b 100644 --- a/old-configure.in +++ b/old-configure.in @@ -46,7 +46,7 @@ _SUBDIR_CONFIG_ARGS="$ac_configure_args" dnl Set the version number of the libs included with mozilla dnl ======================================================== MOZJPEG=62 -MOZPNG=10634 +MOZPNG=10635 NSPR_VERSION=4 NSPR_MINVER=4.19 NSS_VERSION=3