Mercurial > hg > openjdk > jdk6 > jdk
changeset 1839:8d9cb2b095e5
8208353: Upgrade JDK 8u to libpng 1.6.35
Reviewed-by: serb, jdv
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--- a/src/share/native/sun/awt/libpng/CHANGES Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/CHANGES Wed Aug 01 11:16:50 2018 -0700 @@ -1,4 +1,3 @@ -#if 0 CHANGES - changes for libpng version 0.1 [March 29, 1995] @@ -833,7 +832,7 @@ Removed the new PNG_CREATED_READ_STRUCT and PNG_CREATED_WRITE_STRUCT modes which are no longer used. Eliminated the three new members of png_text when PNG_LEGACY_SUPPORTED is - defined or when neither PNG_READ_iTXt_SUPPORTED nor PNG_WRITE_iTXT_SUPPORTED + defined or when neither PNG_READ_iTXt_SUPPORTED nor PNG_WRITE_iTXt_SUPPORTED is defined. Made PNG_NO_READ|WRITE_iTXt the default setting, to avoid memory overrun when old applications fill the info_ptr->text structure directly. @@ -1454,7 +1453,7 @@ 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 @@ 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 @@ 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 @@ 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 @@ 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 @@ 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 @@ 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 @@ 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 @@ 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 @@ 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 @@ 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] @@ -5761,7 +5760,9 @@ if built with zlib-1.2.8.1. Version 1.6.27rc01 [December 27, 2016] - Control ADLER32 checking with new PNG_IGNORE_ADLER32 option. + Control ADLER32 checking with new PNG_IGNORE_ADLER32 option. Fixes + an endless loop when handling erroneous ADLER32 checksums; bug + introduced in libpng-1.6.26. Removed the use of a macro containing the pre-processor 'defined' operator. It is unclear whether this is valid; a macro that "generates" 'defined' is not permitted, but the use of the word @@ -5779,7 +5780,7 @@ 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] @@ -5794,11 +5795,277 @@ Version 1.6.28 [January 5, 2017] No changes. +Version 1.6.29beta01 [January 12, 2017] + Readded "include(GNUInstallDirs)" to CMakeLists.txt (Gianfranco Costamagna). + Moved SSE2 optimization code into the main libpng source directory. + Configure libpng with "configure --enable-intel-sse" or compile + libpng with "-DPNG_INTEL_SSE" in CPPFLAGS to enable it. + Simplified conditional compilation in pngvalid.c, for AIX (Michael Felt). + +Version 1.6.29beta02 [February 22, 2017] + Avoid conditional directives that break statements in pngrutil.c (Romero + Malaquias) + The contrib/examples/pngtopng.c recovery code was in the wrong "if" + branches; the comments were correct. + Added code for PowerPC VSX optimisation (Vadim Barkov). + +Version 1.6.29beta03 [March 1, 2017] + Avoid potential overflow of shift operations in png_do_expand() (Aaron Boxer). + Change test ZLIB_VERNUM >= 0x1281 to ZLIB_VERNUM >= 0x1290 in pngrutil.c + because Solaris 11 distributes zlib-1.2.8.f that is older than 1.2.8.1, + as suggested in zlib FAQ, item 24. + Suppress clang warnings about implicit sign changes in png.c + +Version 1.6.29 [March 16, 2017] + No changes. + +Version 1.6.30beta01 [April 1, 2017] + Added missing "$(CPPFLAGS)" to the compile line for c.pic.o in + makefile.linux and makefile.solaris-x86 (Cosmin). + Revised documentation of png_get_error_ptr() in the libpng manual. + Silence clang -Wcomma and const drop warnings (Viktor Szakats). + Update Sourceforge URLs in documentation (https instead of http). + +Version 1.6.30beta02 [April 22, 2017] + Document need to check for integer overflow when allocating a pixel + buffer for multiple rows in contrib/gregbook, contrib/pngminus, + example.c, and in the manual (suggested by Jaeseung Choi). This + is similar to the bug reported against pngquant in CVE-2016-5735. + Removed reference to the obsolete PNG_SAFE_LIMITS macro in the documentation. + +Version 1.6.30beta03 [May 22, 2017] + Check for integer overflow in contrib/visupng and contrib/tools/genpng. + Do not double evaluate CMAKE_SYSTEM_PROCESSOR in CMakeLists.txt. + Test CMAKE_HOST_WIN32 instead of WIN32 in CMakeLists.txt. + Fix some URL in documentation. + +Version 1.6.30beta04 [June 7, 2017] + Avoid writing an empty IDAT when the last IDAT exactly fills the + compression buffer (bug report by Brian Baird). This bug was + introduced in libpng-1.6.0. + +Version 1.6.30rc01 [June 14, 2017] + No changes. + +Version 1.6.30rc02 [June 25, 2017] + Update copyright year in pnglibconf.h, make ltmain.sh executable. + Add a reference to the libpng.download site in README. + +Version 1.6.30 [June 28, 2017] + No changes. + +Version 1.6.31beta01 [July 5, 2017] + Guard the definition of _POSIX_SOURCE in pngpriv.h (AIX already defines it; + bug report by Michael Felt). + Revised pngpriv.h to work around failure to compile arm/filter_neon.S + ("typedef" directive is unrecognized by the assembler). The problem + was introduced in libpng-1.6.30beta01. + Added "Requires: zlib" to libpng.pc.in (Pieter Neerincx). + Added special case for FreeBSD in arm/filter_neon.S (Maya Rashish). + +Version 1.6.31beta02 [July 8, 2017] + Added instructions for disabling hardware optimizations in INSTALL. + Added "--enable-hardware-optimizations" configuration flag to enable + or disable all hardware optimizations with one flag. + +Version 1.6.31beta03 [July 9, 2017] + Updated CMakeLists.txt to add INTEL_SSE and MIPS_MSA platforms. + Changed "int" to "png_size_t" in intel/filter_sse2.c to prevent + possible integer overflow (Bug report by John Bowler). + Quieted "declaration after statement" warnings in intel/filter_sse2.c. + Added scripts/makefile-linux-opt, which has hardware optimizations enabled. + +Version 1.6.31beta04 [July 11, 2017] + Removed one of the GCC-7.1.0 'strict-overflow' warnings that result when + integers appear on both sides of a compare. Worked around the others by + forcing the strict-overflow setting in the relevant functions to a level + where they are not reported (John Bowler). + Changed "FALL THROUGH" comments to "FALLTHROUGH" because GCC doesn't like + the space. + Worked around some C-style casts from (void*) because g++ 5.4.0 objects + to them. + Increased the buffer size for 'sprint' to pass the gcc 7.1.0 'sprint + overflow' check that is on by default with -Wall -Wextra. + +Version 1.6.31beta05 [July 13, 2017] + Added eXIf chunk support. + +Version 1.6.31beta06 [July 17, 2017] + Added a minimal eXIf chunk (with Orientation and FocalLengthIn35mmFilm + tags) to pngtest.png. + +Version 1.6.31beta07 [July 18, 2017] + Revised the eXIf chunk in pngtest.png to fix "Bad IFD1 Directory" warning. + +Version 1.6.31rc01 [July 19, 2017] + No changes. + +Version 1.6.31rc02 [July 25, 2017] + Fixed typo in example.c (png_free_image should be png_image_free) (Bug + report by John Smith) + +Version 1.6.31 [July 27, 2017] + No changes. + +Version 1.6.32beta01 [July 31, 2017] + Avoid possible NULL dereference in png_handle_eXIf when benign_errors + are allowed. Avoid leaking the input buffer "eXIf_buf". + Eliminated png_ptr->num_exif member from pngstruct.h and added num_exif + to arguments for png_get_eXIf() and png_set_eXIf(). + Added calls to png_handle_eXIf(() in pngread.c and png_write_eXIf() in + pngwrite.c, and made various other fixes to png_write_eXIf(). + Changed name of png_get_eXIF and png_set_eXIf() to png_get_eXIf_1() and + png_set_eXIf_1(), respectively, to avoid breaking API compatibility + with libpng-1.6.31. + +Version 1.6.32beta02 [August 1, 2017] + Updated contrib/libtests/pngunknown.c with eXIf chunk. + +Version 1.6.32beta03 [August 2, 2017] + Initialized btoa[] in pngstest.c + Stop memory leak when returning from png_handle_eXIf() with an error + (Bug report from the OSS-fuzz project). + +Version 1.6.32beta04 [August 2, 2017] + Replaced local eXIf_buf with info_ptr-eXIf_buf in png_handle_eXIf(). + 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 compatibility. + +Version 1.6.32beta06 [August 2, 2017] + Removed png_get_eXIf_1() and png_set_eXIf_1(). + +Version 1.6.32beta07 [August 3, 2017] + Check length of all chunks except IDAT against user limit to fix an + OSS-fuzz issue (Fixes CVE-2017-12652). + +Version 1.6.32beta08 [August 3, 2017] + Check length of IDAT against maximum possible IDAT size, accounting + for height, rowbytes, interlacing and zlib/deflate overhead. + Restored png_get_eXIf_1() and png_set_eXIf_1(), because strlen(eXIf_buf) + does not work (the eXIf chunk data can contain zeroes). + +Version 1.6.32beta09 [August 3, 2017] + Require cmake-2.8.8 in CMakeLists.txt. Revised symlink creation, + no longer using deprecated cmake LOCATION feature (Clifford Yapp). + Fixed five-byte error in the calculation of IDAT maximum possible size. + +Version 1.6.32beta10 [August 5, 2017] + Moved chunk-length check into a png_check_chunk_length() private + function (Suggested by Max Stepin). + Moved bad pngs from tests to contrib/libtests/crashers + Moved testing of bad pngs into a separate tests/pngtest-badpngs script + Added the --xfail (expected FAIL) option to pngtest.c. It writes XFAIL + in the output but PASS for the libpng test. + Require cmake-3.0.2 in CMakeLists.txt (Clifford Yapp). + Fix "const" declaration info_ptr argument to png_get_eXIf_1() and the + num_exif argument to png_get_eXIf_1() (Github Issue 171). + +Version 1.6.32beta11 [August 7, 2017] + Added "eXIf" to "chunks_to_ignore[]" in png_set_keep_unknown_chunks(). + Added huge_IDAT.png and empty_ancillary_chunks.png to testpngs/crashers. + Make pngtest --strict, --relax, --xfail options imply -m (multiple). + Removed unused chunk_name parameter from png_check_chunk_length(). + Relocated setting free_me for eXIf data, to stop an OSS-fuzz leak. + Initialize profile_header[] in png_handle_iCCP() to fix OSS-fuzz issue. + Initialize png_ptr->row_buf[0] to 255 in png_read_row() to fix OSS-fuzz UMR. + Attempt to fix a UMR in png_set_text_2() to fix OSS-fuzz issue. + Increase minimum zlib stream from 9 to 14 in png_handle_iCCP(), to account + for the minimum 'deflate' stream, and relocate the test to a point + after the keyword has been read. + Check that the eXIf chunk has at least 2 bytes and begins with "II" or "MM". + +Version 1.6.32rc01 [August 18, 2017] + Added a set of "huge_xxxx_chunk.png" files to contrib/testpngs/crashers, + one for each known chunk type, with length = 2GB-1. + Check for 0 return from png_get_rowbytes() and added some (size_t) typecasts + in contrib/pngminus/*.c to stop some Coverity issues (162705, 162706, + and 162707). + Renamed chunks in contrib/testpngs/crashers to avoid having files whose + names differ only in case; this causes problems with some platforms + (github issue #172). + +Version 1.6.32rc02 [August 22, 2017] + Added contrib/oss-fuzz directory which contains files used by the oss-fuzz + project (https://github.com/google/oss-fuzz/tree/master/projects/libpng). + +Version 1.6.32 [August 24, 2017] + No changes. + +Version 1.6.33beta01 [August 28, 2017] + Added PNGMINUS_UNUSED macro to contrib/pngminus/p*.c and added missing + parenthesis in contrib/pngminus/pnm2png.c (bug report by Christian Hesse). + Fixed off-by-one error in png_do_check_palette_indexes() (Bug report + by Mick P., Source Forge Issue #269). + +Version 1.6.33beta02 [September 3, 2017] + Initialize png_handler.row_ptr in contrib/oss-fuzz/libpng_read_fuzzer.cc + to fix shortlived oss-fuzz issue 3234. + Compute a larger limit on IDAT because some applications write a deflate + buffer for each row (Bug report by Andrew Church). + Use current date (DATE) instead of release-date (RDATE) in last + changed date of contrib/oss-fuzz files. + Enabled ARM support in CMakeLists.txt (Bernd Kuhls). + +Version 1.6.33beta03 [September 14, 2017] + Fixed incorrect typecast of some arguments to png_malloc() and + png_calloc() that were png_uint_32 instead of png_alloc_size_t + (Bug report by "irwir" in Github libpng issue #175). + Use pnglibconf.h.prebuilt when building for ANDROID with cmake (Github + issue 162, by rcdailey). + +Version 1.6.33rc01 [September 20, 2017] + Initialize memory allocated by png_inflate to zero, using memset, to + stop an oss-fuzz "use of uninitialized value" detection in png_set_text_2() + due to truncated iTXt or zTXt chunk. + Initialize memory allocated by png_read_buffer to zero, using memset, to + stop an oss-fuzz "use of uninitialized value" detection in + png_icc_check_tag_table() due to truncated iCCP chunk. + Removed a redundant test (suggested by "irwir" in Github issue #180). + +Version 1.6.33rc02 [September 23, 2017] + Added an interlaced version of each file in contrib/pngsuite. + Relocate new memset() call in pngrutil.c. + Removed more redundant tests (suggested by "irwir" in Github issue #180). + Add support for loading images with associated alpha in the Simplified + API (Samuel Williams). + +Version 1.6.33 [September 28, 2017] + Revert contrib/oss-fuzz/libpng_read_fuzzer.cc to libpng-1.6.32 state. + Initialize png_handler.row_ptr in contrib/oss-fuzz/libpng_read_fuzzer.cc + 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 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
--- a/src/share/native/sun/awt/libpng/LICENSE Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/LICENSE Wed Aug 01 11:16:50 2018 -0700 @@ -10,8 +10,8 @@ This code is released under the libpng license. -libpng versions 1.0.7, July 1, 2000 through 1.6.28, January 5, 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: @@ -23,6 +23,8 @@ Gilles Vollant James Yu Mandar Sahastrabuddhe + Google Inc. + Vadim Barkov and with the following additions to the disclaimer: @@ -128,4 +130,4 @@ Glenn Randers-Pehrson glennrp at users.sourceforge.net -January 5, 2017 +July 15, 2018
--- a/src/share/native/sun/awt/libpng/README Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/README Wed Aug 01 11:16:50 2018 -0700 @@ -1,4 +1,4 @@ -README for libpng version 1.6.28 - January 5, 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. @@ -23,7 +23,7 @@ png_uint_32, which will affect shared-library applications that use this function. -To avoid problems with changes to the internals of png info_struct, +To avoid problems with changes to the internals of the png info_struct, new APIs have been made available in 0.95 to avoid direct application access to info_ptr. These functions are the png_set_<chunk> and png_get_<chunk> functions. These functions should be used when @@ -88,11 +88,11 @@ You may also want a copy of the PNG specification. It is available as an RFC, a W3C Recommendation, and an ISO/IEC Standard. You can find -these at http://www.libpng.org/pub/png/documents/ +these at http://www.libpng.org/pub/png/pngdocs.html . -This code is currently being archived at libpng.sf.net in the -[DOWNLOAD] area, and at ftp://ftp.simplesystems.org. If you can't find it -in any of those places, e-mail me, and I'll help you find it. +This code is currently being archived at libpng.sourceforge.io in the +[DOWNLOAD] area, and at http://libpng.download/src . If you +can't find it in any of those places, e-mail me, and I'll help you find it. I am not a lawyer, but I believe that the Export Control Classification Number (ECCN) for libpng is EAR99, which means not subject to export @@ -118,7 +118,7 @@ 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 @@ -179,14 +179,16 @@ pngwtran.c => Write data transformations pngwutil.c => Write utility functions arm => Contains optimized code for the ARM platform + powerpc => Contains optimized code for the PowerPC platform contrib => Contributions arm-neon => Optimized code for ARM-NEON platform + powerpc-vsx => Optimized code for POWERPC-VSX platform examples => Example programs gregbook => source code for PNG reading and writing, from Greg Roelofs' "PNG: The Definitive Guide", O'Reilly, 1999 - intel => Optimized code for INTEL-SSE2 platform libtests => Test programs + mips-msa => Optimized code for MIPS-MSA platform pngminim => Minimal decoder, encoder, and progressive decoder programs demonstrating use of pngusr.dfa pngminus => Simple pnm2png and png2pnm programs @@ -194,6 +196,8 @@ testpngs tools => Various tools visupng => Contains a MSVC workspace for VisualPng + intel => Optimized code for INTEL-SSE2 platform + mips => Optimized code for MIPS platform projects => Contains project files and workspaces for building a DLL owatcom => Contains a WATCOM project for building libpng
--- a/src/share/native/sun/awt/libpng/png.c Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/png.c Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.28 [January 5, 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.) * @@ -42,7 +42,27 @@ #include "pngpriv.h" /* Generate a compiler error if there is an old png.h in the search path. */ -typedef png_libpng_version_1_6_28 Your_png_h_is_not_version_1_6_28; +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 + * consistently been fixed in GCC versions which obtain wide-spread release. + * The problem is that many versions of GCC rearrange comparison expressions in + * the optimizer in such a way that the results of the comparison will change + * if signed integer overflow occurs. Such comparisons are not permitted in + * ANSI C90, however GCC isn't clever enough to work out that that do not occur + * below in png_ascii_from_fp and png_muldiv, so it produces a warning with + * -Wextra. Unfortunately this is highly dependent on the optimizer and the + * machine architecture so the warning comes and goes unpredictably and is + * impossible to "fix", even were that a good idea. + */ +#if __GNUC__ == 7 && __GNUC_MINOR__ == 1 +#define GCC_STRICT_OVERFLOW 1 +#endif /* GNU 7.1.x */ +#endif /* GNU */ +#ifndef GCC_STRICT_OVERFLOW +#define GCC_STRICT_OVERFLOW 0 +#endif /* Tells libpng that we have already handled the first "num_bytes" bytes * of the PNG file signature. If the PNG data is embedded into another @@ -79,7 +99,7 @@ * 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}; @@ -144,7 +164,7 @@ * 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; @@ -429,7 +449,7 @@ * 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; @@ -623,6 +643,26 @@ } #endif +#ifdef PNG_eXIf_SUPPORTED + /* Free any eXIf entry */ + if (((mask & PNG_FREE_EXIF) & info_ptr->free_me) != 0) + { +# ifdef PNG_READ_eXIf_SUPPORTED + if (info_ptr->eXIf_buf) + { + png_free(png_ptr, info_ptr->eXIf_buf); + info_ptr->eXIf_buf = NULL; + } +# endif + if (info_ptr->exif) + { + png_free(png_ptr, info_ptr->exif); + info_ptr->exif = NULL; + } + info_ptr->valid &= ~PNG_INFO_eXIf; + } +#endif + #ifdef PNG_hIST_SUPPORTED /* Free any hIST entry */ if (((mask & PNG_FREE_HIST) & info_ptr->free_me) != 0) @@ -804,15 +844,15 @@ #else # ifdef __STDC__ return PNG_STRING_NEWLINE \ - "libpng version 1.6.28 - January 5, 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 \ + "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; # else - return "libpng version 1.6.28 - January 5, 2017\ - Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson\ + return "libpng version 1.6.35 - 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."; # endif @@ -930,7 +970,7 @@ /* 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 */ { @@ -1901,12 +1941,12 @@ */ if (intent < 0 || intent >= PNG_sRGB_INTENT_LAST) return png_icc_profile_error(png_ptr, colorspace, "sRGB", - (unsigned)intent, "invalid sRGB rendering intent"); + (png_alloc_size_t)intent, "invalid sRGB rendering intent"); if ((colorspace->flags & PNG_COLORSPACE_HAVE_INTENT) != 0 && colorspace->rendering_intent != intent) return png_icc_profile_error(png_ptr, colorspace, "sRGB", - (unsigned)intent, "inconsistent rendering intents"); + (png_alloc_size_t)intent, "inconsistent rendering intents"); if ((colorspace->flags & PNG_COLORSPACE_FROM_sRGB) != 0) { @@ -1967,7 +2007,6 @@ if (profile_length < 132) return png_icc_profile_error(png_ptr, colorspace, name, profile_length, "too short"); - return 1; } @@ -2056,7 +2095,7 @@ */ /* 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.) */ @@ -2212,15 +2251,6 @@ * being in range. All defined tag types have an 8 byte header - a 4 byte * type signature then 0. */ - if ((tag_start & 3) != 0) - { - /* CNHP730S.icc shipped with Microsoft Windows 64 violates this, it is - * only a warning here because libpng does not care about the - * alignment. - */ - (void)png_icc_profile_error(png_ptr, NULL, name, tag_id, - "ICC profile tag start not a multiple of 4"); - } /* This is a hard error; potentially it can cause read outside the * profile. @@ -2228,6 +2258,16 @@ if (tag_start > profile_length || tag_length > profile_length - tag_start) return png_icc_profile_error(png_ptr, colorspace, name, tag_id, "ICC profile tag outside profile"); + + if ((tag_start & 3) != 0) + { + /* CNHP730S.icc shipped with Microsoft Windows 64 violates this; it is + * only a warning here because libpng does not care about the + * alignment. + */ + (void)png_icc_profile_error(png_ptr, NULL, name, tag_id, + "ICC profile tag start not a multiple of 4"); + } } return 1; /* success, maybe with warnings */ @@ -2695,7 +2735,7 @@ #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 */ @@ -2703,11 +2743,11 @@ #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) { @@ -2830,10 +2870,10 @@ /* 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)) @@ -2860,7 +2900,7 @@ if (power < 0) { if (power < DBL_MIN_10_EXP) return 0; - recip = 1, power = -power; + recip = 1; power = -power; } if (power > 0) @@ -2885,8 +2925,16 @@ /* Function to format a floating point value in ASCII with a given * precision. */ +#if GCC_STRICT_OVERFLOW +#pragma GCC diagnostic push +/* The problem arises below with exp_b10, which can never overflow because it + * comes, originally, from frexp and is therefore limited to a range which is + * typically +/-710 (log2(DBL_MAX)/log2(DBL_MIN)). + */ +#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 @@ -2938,7 +2986,9 @@ double test = png_pow10(exp_b10+1); if (test <= DBL_MAX) - ++exp_b10, base = test; + { + ++exp_b10; base = test; + } else break; @@ -2952,7 +3002,10 @@ * test on DBL_MAX above. */ fp /= base; - while (fp >= 1) fp /= 10, ++exp_b10; + while (fp >= 1) + { + fp /= 10; ++exp_b10; + } /* Because of the code above fp may, at this point, be * less than .1, this is ok because the code below can @@ -2969,7 +3022,7 @@ */ if (exp_b10 < 0 && exp_b10 > -3) /* PLUS 3 TOTAL 4 */ { - czero = (unsigned int)(-exp_b10); /* PLUS 2 digits: TOTAL 3 */ + czero = 0U-exp_b10; /* PLUS 2 digits: TOTAL 3 */ exp_b10 = 0; /* Dot added below before first output. */ } else @@ -3003,7 +3056,7 @@ /* Rounding up to 10, handle that here. */ if (czero > 0) { - --czero, d = 1; + --czero; d = 1; if (cdigits == 0) --clead; } else @@ -3017,7 +3070,7 @@ else if (ch == 46) { - ch = *--ascii, ++size; + ch = *--ascii; ++size; /* Advance exp_b10 to '1', so that the * decimal point happens after the * previous digit. @@ -3044,7 +3097,9 @@ int ch = *--ascii; if (ch == 46) - ++size, exp_b10 = 1; + { + ++size; exp_b10 = 1; + } /* Else lost a leading zero, so 'exp_b10' is * still ok at (-1) @@ -3080,21 +3135,26 @@ */ if (exp_b10 != (-1)) { - if (exp_b10 == 0) *ascii++ = 46, --size; + if (exp_b10 == 0) + { + *ascii++ = 46; --size; + } /* PLUS 1: TOTAL 4 */ --exp_b10; } - *ascii++ = 48, --czero; + *ascii++ = 48; --czero; } if (exp_b10 != (-1)) { if (exp_b10 == 0) - *ascii++ = 46, --size; /* counted above */ + { + *ascii++ = 46; --size; /* counted above */ + } --exp_b10; } - *ascii++ = (char)(48 + (int)d), ++cdigits; + *ascii++ = (char)(48 + (int)d); ++cdigits; } } while (cdigits+czero < precision+clead && fp > DBL_MIN); @@ -3103,7 +3163,7 @@ /* Check for an exponent, if we don't need one we are * done and just need to terminate the string. At - * this point exp_b10==(-1) is effectively if flag - it got + * this point exp_b10==(-1) is effectively a flag - it got * to '-1' because of the decrement after outputting * the decimal point above (the exponent required is * *not* -1!) @@ -3117,7 +3177,7 @@ * zeros were *not* output, so this doesn't increase * the output count. */ - while (--exp_b10 >= 0) *ascii++ = 48; + while (exp_b10-- > 0) *ascii++ = 48; *ascii = 0; @@ -3135,7 +3195,7 @@ */ size -= cdigits; - *ascii++ = 69, --size; /* 'E': PLUS 1 TOTAL 2+precision */ + *ascii++ = 69; --size; /* 'E': PLUS 1 TOTAL 2+precision */ /* The following use of an unsigned temporary avoids ambiguities in * the signed arithmetic on exp_b10 and permits GCC at least to do @@ -3146,12 +3206,12 @@ if (exp_b10 < 0) { - *ascii++ = 45, --size; /* '-': PLUS 1 TOTAL 3+precision */ - uexp_b10 = (unsigned int)(-exp_b10); + *ascii++ = 45; --size; /* '-': PLUS 1 TOTAL 3+precision */ + uexp_b10 = 0U-exp_b10; } else - uexp_b10 = (unsigned int)exp_b10; + uexp_b10 = 0U+exp_b10; cdigits = 0; @@ -3194,6 +3254,9 @@ /* Here on buffer too small. */ png_error(png_ptr, "ASCII conversion buffer too small"); } +#if GCC_STRICT_OVERFLOW +#pragma GCC diagnostic pop +#endif /* GCC_STRICT_OVERFLOW */ # endif /* FLOATING_POINT */ @@ -3202,7 +3265,7 @@ */ 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: @@ -3213,7 +3276,9 @@ /* Avoid overflow here on the minimum integer. */ if (fp < 0) - *ascii++ = 45, num = (png_uint_32)(-fp); + { + *ascii++ = 45; num = (png_uint_32)(-fp); + } else num = (png_uint_32)fp; @@ -3251,7 +3316,10 @@ * then ndigits digits to first: */ i = 5; - while (ndigits < i) *ascii++ = 48, --i; + while (ndigits < i) + { + *ascii++ = 48; --i; + } while (ndigits >= first) *ascii++ = digits[--ndigits]; /* Don't output the trailing zeros! */ } @@ -3302,6 +3370,15 @@ * the nearest .00001). Overflow and divide by zero are signalled in * the result, a boolean - true on success, false on overflow. */ +#if GCC_STRICT_OVERFLOW /* from above */ +/* It is not obvious which comparison below gets optimized in such a way that + * signed overflow would change the result; looking through the code does not + * reveal any tests which have the form GCC complains about, so presumably the + * optimizer is moving an add or subtract into the 'if' somewhere. + */ +#pragma GCC diagnostic push +#pragma GCC diagnostic warning "-Wstrict-overflow=2" +#endif /* GCC_STRICT_OVERFLOW */ int png_muldiv(png_fixed_point_p res, png_fixed_point a, png_int_32 times, png_int_32 divisor) @@ -3416,6 +3493,9 @@ return 0; } +#if GCC_STRICT_OVERFLOW +#pragma GCC diagnostic pop +#endif /* GCC_STRICT_OVERFLOW */ #endif /* READ_GAMMA || INCH_CONVERSIONS */ #if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_INCH_CONVERSIONS_SUPPORTED) @@ -3709,7 +3789,7 @@ * of getting this accuracy in practice. * * To deal with this the following exp() function works out the exponent of the - * frational part of the logarithm by using an accurate 32-bit value from the + * fractional part of the logarithm by using an accurate 32-bit value from the * top four fractional bits then multiplying in the remaining bits. */ static const png_uint_32 @@ -4288,13 +4368,13 @@ if (png_ptr != NULL && option >= 0 && option < PNG_OPTION_NEXT && (option & 1) == 0) { - png_uint_32 mask = 3 << option; - png_uint_32 setting = (2 + (onoff != 0)) << option; + png_uint_32 mask = 3U << option; + 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); - - return (current & mask) >> option; + png_ptr->options = (png_uint_32)((current & ~mask) | setting); + + return (int)(current & mask) >> option; } return PNG_OPTION_INVALID; @@ -4306,7 +4386,7 @@ defined(PNG_SIMPLIFIED_WRITE_SUPPORTED) /* sRGB conversion tables; these are machine generated with the code in * contrib/tools/makesRGB.c. The actual sRGB transfer curve defined in the - * specification (see the article at http://en.wikipedia.org/wiki/SRGB) + * specification (see the article at https://en.wikipedia.org/wiki/SRGB) * is used, not the gamma=1/2.2 approximation use elsewhere in libpng. * The sRGB to linear table is exact (to the nearest 16-bit linear fraction). * The inverse (linear to sRGB) table has accuracies as follows:
--- a/src/share/native/sun/awt/libpng/png.h Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/png.h Wed Aug 01 11:16:50 2018 -0700 @@ -29,9 +29,9 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * libpng version 1.6.28, January 5, 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.) * @@ -40,7 +40,7 @@ * 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 1.6.28, January 5, 2017: + * libpng versions 0.97, January 1998, through 1.6.35, July 15, 2018: * Glenn Randers-Pehrson. * See also "Contributing Authors", below. */ @@ -53,8 +53,8 @@ * * This code is released under the libpng license. * - * libpng versions 1.0.7, July 1, 2000 through 1.6.28, January 5, 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: @@ -66,6 +66,8 @@ * Gilles Vollant * James Yu * Mandar Sahastrabuddhe + * Google Inc. + * Vadim Barkov * * and with the following additions to the disclaimer: * @@ -235,11 +237,11 @@ * ... * 1.0.19 10 10019 10.so.0.19[.0] * ... - * 1.2.57 13 10257 12.so.0.57[.0] + * 1.2.59 13 10257 12.so.0.59[.0] * ... - * 1.5.28 15 10527 15.so.15.28[.0] + * 1.5.30 15 10527 15.so.15.30[.0] * ... - * 1.6.28 16 10628 16.so.16.28[.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 @@ -260,20 +262,20 @@ * * See libpng.txt or libpng.3 for more information. The PNG specification * is available as a W3C Recommendation and as an ISO Specification, - * <http://www.w3.org/TR/2003/REC-PNG-20031110/ + * <https://www.w3.org/TR/2003/REC-PNG-20031110/ */ /* * Y2K compliance in libpng: * ========================= * - * January 5, 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 1.6.28 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 @@ -335,8 +337,8 @@ */ /* Version information for png.h - this should match the version in png.c */ -#define PNG_LIBPNG_VER_STRING "1.6.28" -#define PNG_HEADER_VERSION_STRING " libpng version 1.6.28 - January 5, 2017\n" +#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_SONUM 16 #define PNG_LIBPNG_VER_DLLNUM 16 @@ -344,13 +346,13 @@ /* 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 28 +#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 @@ -367,7 +369,7 @@ #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. @@ -375,7 +377,7 @@ * 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 10628 /* 1.6.28 */ +#define PNG_LIBPNG_VER 10635 /* 1.6.35 */ /* Library configuration: these options cannot be changed after * the library has been built. @@ -485,7 +487,7 @@ /* 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_28; +typedef char* png_libpng_version_1_6_35; /* Basic control structions. Read libpng-manual.txt or libpng.3 for more info. * @@ -626,8 +628,8 @@ 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 @@ -680,7 +682,7 @@ { 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 @@ -705,7 +707,7 @@ /* 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) @@ -802,6 +804,7 @@ #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 */ /* This is used for the transformation routines, as some of them * change these values for the row. It also should enable using @@ -810,7 +813,7 @@ 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) */ @@ -829,7 +832,7 @@ * 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)); @@ -966,8 +969,8 @@ * 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). @@ -986,11 +989,11 @@ 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. @@ -1043,7 +1046,7 @@ /* 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, @@ -1051,7 +1054,7 @@ /* 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)); @@ -1065,7 +1068,7 @@ * 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, @@ -1162,7 +1165,7 @@ * 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 @@ -1218,7 +1221,7 @@ * * 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); @@ -1716,7 +1719,7 @@ * 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, @@ -1741,7 +1744,7 @@ /* 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 @@ -1750,7 +1753,7 @@ * '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 @@ -1814,7 +1817,8 @@ #define PNG_FREE_PLTE 0x1000U #define PNG_FREE_TRNS 0x2000U #define PNG_FREE_TEXT 0x4000U -#define PNG_FREE_ALL 0x7fffU +#define PNG_FREE_EXIF 0x8000U /* Added at libpng-1.6.31 */ +#define PNG_FREE_ALL 0xffffU #define PNG_FREE_MUL 0x4220U /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */ #ifdef PNG_USER_MEM_SUPPORTED @@ -1894,7 +1898,7 @@ 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 @@ -2033,6 +2037,18 @@ png_fixed_point int_blue_Z)) #endif +#ifdef PNG_eXIf_SUPPORTED +PNG_EXPORT(246, png_uint_32, png_get_eXIf, (png_const_structrp png_ptr, + png_inforp info_ptr, png_bytep *exif)); +PNG_EXPORT(247, void, png_set_eXIf, (png_const_structrp png_ptr, + png_inforp info_ptr, const png_bytep exif)); + +PNG_EXPORT(248, png_uint_32, png_get_eXIf_1, (png_const_structrp png_ptr, + png_const_inforp info_ptr, png_uint_32 *num_exif, png_bytep *exif)); +PNG_EXPORT(249, void, png_set_eXIf_1, (png_const_structrp png_ptr, + png_inforp info_ptr, const png_uint_32 num_exif, const png_bytep exif)); +#endif + #ifdef PNG_gAMA_SUPPORTED PNG_FP_EXPORT(137, png_uint_32, png_get_gAMA, (png_const_structrp png_ptr, png_const_inforp info_ptr, double *file_gamma)) @@ -2051,9 +2067,6 @@ #ifdef PNG_hIST_SUPPORTED PNG_EXPORT(141, png_uint_32, png_get_hIST, (png_const_structrp png_ptr, png_inforp info_ptr, png_uint_16p *hist)); -#endif - -#ifdef PNG_hIST_SUPPORTED PNG_EXPORT(142, void, png_set_hIST, (png_const_structrp png_ptr, png_inforp info_ptr, png_const_uint_16p hist)); #endif @@ -2254,7 +2267,7 @@ * 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 @@ -2673,7 +2686,7 @@ * 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. @@ -2779,7 +2792,7 @@ * * When the simplified API needs to convert between sRGB and linear colorspaces, * the actual sRGB transfer curve defined in the sRGB specification (see the - * article at http://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2 + * article at https://en.wikipedia.org/wiki/SRGB) is used, not the gamma=1/2.2 * approximation used elsewhere in libpng. * * When an alpha channel is present it is expected to denote pixel coverage @@ -2834,6 +2847,8 @@ # define PNG_FORMAT_FLAG_AFIRST 0x20U /* alpha channel comes first */ #endif +#define PNG_FORMAT_FLAG_ASSOCIATED_ALPHA 0x40U /* alpha channel is associated */ + /* Commonly used formats have predefined macros. * * First the single byte (sRGB) formats: @@ -3033,7 +3048,7 @@ #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, @@ -3146,7 +3161,7 @@ * 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. @@ -3230,7 +3245,7 @@ * 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 @@ -3252,7 +3267,10 @@ # define PNG_MIPS_MSA 6 /* HARDWARE: MIPS Msa SIMD instructions supported */ #endif #define PNG_IGNORE_ADLER32 8 -#define PNG_OPTION_NEXT 10 /* Next option - numbers must be even */ +#ifdef PNG_POWERPC_VSX_API_SUPPORTED +# define PNG_POWERPC_VSX 10 /* HARDWARE: PowerPC VSX SIMD instructions supported */ +#endif +#define PNG_OPTION_NEXT 12 /* Next option - numbers must be even */ /* Return values: NOTE: there are four values and 'off' is *not* zero */ #define PNG_OPTION_UNSET 0 /* Unset - defaults to off */ @@ -3276,7 +3294,7 @@ * one to use is one more than this.) */ #ifdef PNG_EXPORT_LAST_ORDINAL - PNG_EXPORT_LAST_ORDINAL(245); + PNG_EXPORT_LAST_ORDINAL(249); #endif #ifdef __cplusplus
--- a/src/share/native/sun/awt/libpng/pngconf.h Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngconf.h Wed Aug 01 11:16:50 2018 -0700 @@ -29,9 +29,9 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * libpng version 1.6.28, January 5, 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.) * @@ -155,7 +155,7 @@ * * 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 @@ -543,8 +543,10 @@ # 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; @@ -565,13 +567,12 @@ # 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. * @@ -581,7 +582,7 @@ #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 @@ -617,8 +618,8 @@ 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;
--- a/src/share/native/sun/awt/libpng/pngerror.c Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngerror.c Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.26 [October 20, 2016] - * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson + * Last changed in libpng 1.6.31 [July 27, 2017] + * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -191,7 +191,7 @@ case PNG_NUMBER_FORMAT_02u: /* Expects at least 2 digits. */ mincount = 2; - /* FALL THROUGH */ + /* FALLTHROUGH */ case PNG_NUMBER_FORMAT_u: *--end = digits[number % 10]; @@ -201,7 +201,7 @@ case PNG_NUMBER_FORMAT_02x: /* This format expects at least two digits */ mincount = 2; - /* FALL THROUGH */ + /* FALLTHROUGH */ case PNG_NUMBER_FORMAT_x: *--end = digits[number & 0xf];
--- a/src/share/native/sun/awt/libpng/pngget.c Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngget.c Wed Aug 01 11:16:50 2018 -0700 @@ -28,9 +28,9 @@ * License version 2 only, as published by the Free Software Foundation. * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: - - * 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) 1998-2002,2004,2006-2018 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.) * @@ -54,7 +54,7 @@ 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) @@ -395,7 +395,7 @@ 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. @@ -769,8 +769,7 @@ 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; @@ -778,11 +777,13 @@ /* 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 @@ -801,6 +802,35 @@ } #endif +#ifdef PNG_eXIf_SUPPORTED +png_uint_32 PNGAPI +png_get_eXIf(png_const_structrp png_ptr, png_inforp info_ptr, + png_bytep *exif) +{ + png_warning(png_ptr, "png_get_eXIf does not work; use png_get_eXIf_1"); + PNG_UNUSED(info_ptr) + PNG_UNUSED(exif) + return 0; +} + +png_uint_32 PNGAPI +png_get_eXIf_1(png_const_structrp png_ptr, png_const_inforp info_ptr, + png_uint_32 *num_exif, png_bytep *exif) +{ + png_debug1(1, "in %s retrieval function", "eXIf"); + + if (png_ptr != NULL && info_ptr != NULL && + (info_ptr->valid & PNG_INFO_eXIf) != 0 && exif != NULL) + { + *num_exif = info_ptr->num_exif; + *exif = info_ptr->exif; + return (PNG_INFO_eXIf); + } + + return (0); +} +#endif + #ifdef PNG_hIST_SUPPORTED png_uint_32 PNGAPI png_get_hIST(png_const_structrp png_ptr, png_inforp info_ptr, @@ -1163,7 +1193,7 @@ } #endif -png_size_t PNGAPI +size_t PNGAPI png_get_compression_buffer_size(png_const_structrp png_ptr) { if (png_ptr == NULL)
--- a/src/share/native/sun/awt/libpng/pnginfo.h Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pnginfo.h Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * 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.) * @@ -83,10 +83,10 @@ 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) */ @@ -213,6 +213,14 @@ png_byte phys_unit_type; /* resolution type (see PNG_RESOLUTION_ below) */ #endif +#ifdef PNG_eXIf_SUPPORTED + int num_exif; /* Added at libpng-1.6.31 */ + png_bytep exif; +# ifdef PNG_READ_eXIf_SUPPORTED + png_bytep eXIf_buf; /* Added at libpng-1.6.32 */ +# endif +#endif + #ifdef PNG_hIST_SUPPORTED /* The hIST chunk contains the relative frequency or importance of the * various palette entries, so that a viewer can intelligently select a @@ -267,7 +275,7 @@ /* 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. */
--- a/src/share/native/sun/awt/libpng/pnglibconf.h Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pnglibconf.h Wed Aug 01 11:16:50 2018 -0700 @@ -1,6 +1,11 @@ /* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * + * This file is available under and governed by the GNU General Public + * License version 2 only, as published by the Free Software Foundation. + * However, the following notice accompanied the original version of this + * file and, per its terms, should not be removed: + * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this @@ -33,9 +38,9 @@ * file and, per its terms, should not be removed: */ -/* libpng version 1.6.28, January 5, 2017 */ +/* libpng version 1.6.35, July 15, 2018 */ -/* Copyright (c) 1998-2016 Glenn Randers-Pehrson */ +/* Copyright (c) 1998-2018 Glenn Randers-Pehrson */ /* This code is released under the libpng license. */ /* For conditions of distribution and use, see the disclaimer */
--- a/src/share/native/sun/awt/libpng/pngpread.c Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngpread.c Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * 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) 1998-2002,2004,2006-2018 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.) * @@ -62,7 +62,7 @@ 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; @@ -75,7 +75,7 @@ } } -png_size_t PNGAPI +size_t PNGAPI png_process_data_pause(png_structrp png_ptr, int save) { if (png_ptr != NULL) @@ -88,7 +88,7 @@ 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 @@ -161,8 +161,8 @@ 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) { @@ -217,6 +217,7 @@ png_crc_read(png_ptr, chunk_tag, 4); png_ptr->chunk_name = PNG_CHUNK_FROM_STRING(chunk_tag); png_check_chunk_name(png_ptr, png_ptr->chunk_name); + png_check_chunk_length(png_ptr, png_ptr->push_length); png_ptr->mode |= PNG_HAVE_CHUNK_HEADER; } @@ -445,7 +446,7 @@ } 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; @@ -455,7 +456,7 @@ 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; @@ -472,7 +473,7 @@ } 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; @@ -494,7 +495,7 @@ { 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; @@ -509,7 +510,7 @@ 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 - @@ -521,7 +522,7 @@ 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) { @@ -549,7 +550,7 @@ 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; @@ -589,7 +590,7 @@ 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 @@ -599,7 +600,7 @@ * 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; @@ -616,7 +617,7 @@ 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 @@ -625,7 +626,7 @@ * 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; @@ -652,7 +653,7 @@ 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)
--- a/src/share/native/sun/awt/libpng/pngpriv.h Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngpriv.h Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * 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) 1998-2002,2004,2006-2018 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.) * @@ -63,7 +63,9 @@ * Windows/Visual Studio) there is no effect; the OS specific tests below are * still required (as of 2011-05-02.) */ -#define _POSIX_SOURCE 1 /* Just the POSIX 1003.1 and C89 APIs */ +#ifndef _POSIX_SOURCE +# define _POSIX_SOURCE 1 /* Just the POSIX 1003.1 and C89 APIs */ +#endif #ifndef PNG_VERSION_INFO_ONLY /* Standard library headers not required by png.h: */ @@ -218,6 +220,56 @@ # endif #endif +#ifndef PNG_POWERPC_VSX_OPT +# if defined(__PPC64__) && defined(__ALTIVEC__) && defined(__VSX__) +# define PNG_POWERPC_VSX_OPT 2 +# else +# define PNG_POWERPC_VSX_OPT 0 +# endif +#endif + +#ifndef PNG_INTEL_SSE_OPT +# ifdef PNG_INTEL_SSE + /* Only check for SSE if the build configuration has been modified to + * enable SSE optimizations. This means that these optimizations will + * be off by default. See contrib/intel for more details. + */ +# if defined(__SSE4_1__) || defined(__AVX__) || defined(__SSSE3__) || \ + 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 + +#if PNG_INTEL_SSE_OPT > 0 +# ifndef PNG_INTEL_SSE_IMPLEMENTATION +# if defined(__SSE4_1__) || defined(__AVX__) + /* We are not actually using AVX, but checking for AVX is the best + way we can detect SSE4.1 and SSSE3 on MSVC. + */ +# define PNG_INTEL_SSE_IMPLEMENTATION 3 +# elif defined(__SSSE3__) +# define PNG_INTEL_SSE_IMPLEMENTATION 2 +# elif defined(__SSE2__) || defined(_M_X64) || defined(_M_AMD64) || \ + (defined(_M_IX86_FP) && _M_IX86_FP >= 2) +# define PNG_INTEL_SSE_IMPLEMENTATION 1 +# else +# define PNG_INTEL_SSE_IMPLEMENTATION 0 +# endif +# endif + +# 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 # define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_msa # ifndef PNG_MIPS_MSA_IMPLEMENTATION @@ -238,6 +290,13 @@ # endif #endif /* PNG_MIPS_MSA_OPT > 0 */ +#ifdef PNG_POWERPC_VSX_API_SUPPORTED +#if PNG_POWERPC_VSX_OPT > 0 +# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_vsx +# define PNG_POWERPC_VSX_IMPLEMENTATION 1 +#endif +#endif + /* Is this a build of a DLL where compilation of the object modules requires * different preprocessor settings to those required for a simple library? If @@ -431,6 +490,21 @@ # define png_fixed_error(s1,s2) png_err(s1) #endif +/* Some fixed point APIs are still required even if not exported because + * they get used by the corresponding floating point APIs. This magic + * deals with this: + */ +#ifdef PNG_FIXED_POINT_SUPPORTED +# define PNGFAPI PNGAPI +#else +# define PNGFAPI /* PRIVATE */ +#endif + +#ifndef PNG_VERSION_INFO_ONLY +/* Other defines specific to compilers can go here. Try to keep + * them inside an appropriate ifdef/endif pair for portability. + */ + /* C allows up-casts from (void*) to any pointer and (const void*) to any * pointer to a const object. C++ regards this as a type error and requires an * explicit, static, cast and provides the static_cast<> rune to ensure that @@ -445,25 +519,20 @@ static_cast<type>(static_cast<const void*>(value)) #else # define png_voidcast(type, value) (value) -# define png_constcast(type, value) ((type)(value)) +# ifdef _WIN64 +# ifdef __GNUC__ + typedef unsigned long long png_ptruint; +# else + typedef unsigned __int64 png_ptruint; +# endif +# else + typedef unsigned long png_ptruint; +# endif +# define png_constcast(type, value) ((type)(png_ptruint)(const void*)(value)) # define png_aligncast(type, value) ((void*)(value)) # define png_aligncastconst(type, value) ((const void*)(value)) #endif /* __cplusplus */ -/* Some fixed point APIs are still required even if not exported because - * they get used by the corresponding floating point APIs. This magic - * deals with this: - */ -#ifdef PNG_FIXED_POINT_SUPPORTED -# define PNGFAPI PNGAPI -#else -# define PNGFAPI /* PRIVATE */ -#endif - -#ifndef PNG_VERSION_INFO_ONLY -/* Other defines specific to compilers can go here. Try to keep - * them inside an appropriate ifdef/endif pair for portability. - */ #if defined(PNG_FLOATING_POINT_SUPPORTED) ||\ defined(PNG_FLOATING_ARITHMETIC_SUPPORTED) /* png.c requires the following ANSI-C constants if the conversion of @@ -695,8 +764,8 @@ /* 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 @@ -809,6 +878,7 @@ #define png_PLTE PNG_U32( 80, 76, 84, 69) #define png_bKGD PNG_U32( 98, 75, 71, 68) #define png_cHRM PNG_U32( 99, 72, 82, 77) +#define png_eXIf PNG_U32(101, 88, 73, 102) /* registered July 2017 */ #define png_fRAc PNG_U32(102, 82, 65, 99) /* registered, not defined */ #define png_gAMA PNG_U32(103, 65, 77, 65) #define png_gIFg PNG_U32(103, 73, 70, 103) @@ -883,7 +953,7 @@ * 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 @@ -1012,15 +1082,15 @@ */ 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 @@ -1034,7 +1104,7 @@ /* 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, @@ -1046,7 +1116,7 @@ /* 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, @@ -1064,7 +1134,7 @@ * 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); @@ -1109,6 +1179,11 @@ int intent),PNG_EMPTY); #endif +#ifdef PNG_WRITE_eXIf_SUPPORTED +PNG_INTERNAL_FUNCTION(void,png_write_eXIf,(png_structrp png_ptr, + png_bytep exif, int num_exif),PNG_EMPTY); +#endif + #ifdef PNG_WRITE_iCCP_SUPPORTED PNG_INTERNAL_FUNCTION(void,png_write_iCCP,(png_structrp png_ptr, png_const_charp name, png_const_bytep profile), PNG_EMPTY); @@ -1142,7 +1217,7 @@ /* 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 @@ -1284,6 +1359,38 @@ row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); #endif +#if PNG_POWERPC_VSX_OPT > 0 +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_up_vsx,(png_row_infop row_info, + png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub3_vsx,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub4_vsx,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg3_vsx,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg4_vsx,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth3_vsx,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_vsx,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +#endif + +#if PNG_INTEL_SSE_IMPLEMENTATION > 0 +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub3_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub4_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg3_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg4_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth3_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_sse2,(png_row_infop + row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY); +#endif + /* Choose the best filter to use and filter the row data */ PNG_INTERNAL_FUNCTION(void,png_write_find_filter,(png_structrp png_ptr, png_row_infop row_info),PNG_EMPTY); @@ -1376,6 +1483,11 @@ png_inforp info_ptr, png_uint_32 length),PNG_EMPTY); #endif +#ifdef PNG_READ_eXIf_SUPPORTED +PNG_INTERNAL_FUNCTION(void,png_handle_eXIf,(png_structrp png_ptr, + png_inforp info_ptr, png_uint_32 length),PNG_EMPTY); +#endif + #ifdef PNG_READ_gAMA_SUPPORTED PNG_INTERNAL_FUNCTION(void,png_handle_gAMA,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length),PNG_EMPTY); @@ -1451,8 +1563,11 @@ png_inforp info_ptr, png_uint_32 length),PNG_EMPTY); #endif -PNG_INTERNAL_FUNCTION(void,png_check_chunk_name,(png_structrp png_ptr, - png_uint_32 chunk_name),PNG_EMPTY); +PNG_INTERNAL_FUNCTION(void,png_check_chunk_name,(png_const_structrp png_ptr, + const png_uint_32 chunk_name),PNG_EMPTY); + +PNG_INTERNAL_FUNCTION(void,png_check_chunk_length,(png_const_structrp png_ptr, + const png_uint_32 chunk_length),PNG_EMPTY); PNG_INTERNAL_FUNCTION(void,png_handle_unknown,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length, int keep),PNG_EMPTY); @@ -1495,10 +1610,10 @@ 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, @@ -1768,13 +1883,13 @@ #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 */ @@ -1867,7 +1982,7 @@ * 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 @@ -1876,7 +1991,7 @@ * 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) ||\ @@ -1951,7 +2066,7 @@ 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 */ @@ -2019,6 +2134,11 @@ PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_msa, (png_structp png_ptr, unsigned int bpp), PNG_EMPTY); #endif + +# if PNG_INTEL_SSE_IMPLEMENTATION > 0 +PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_sse2, + (png_structp png_ptr, unsigned int bpp), PNG_EMPTY); +# endif #endif PNG_INTERNAL_FUNCTION(png_uint_32, png_check_keyword, (png_structrp png_ptr,
--- a/src/share/native/sun/awt/libpng/pngread.c Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngread.c Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * 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) 1998-2002,2004,2006-2018 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.) * @@ -203,6 +203,11 @@ png_handle_cHRM(png_ptr, info_ptr, length); #endif +#ifdef PNG_READ_eXIf_SUPPORTED + else if (chunk_name == png_eXIf) + png_handle_eXIf(png_ptr, info_ptr, length); +#endif + #ifdef PNG_READ_gAMA_SUPPORTED else if (chunk_name == png_gAMA) png_handle_gAMA(png_ptr, info_ptr, length); @@ -562,6 +567,7 @@ png_error(png_ptr, "Invalid attempt to read row data"); /* Fill the row with IDAT data: */ + png_ptr->row_buf[0]=255; /* to force error if no data was found */ png_read_IDAT_data(png_ptr, png_ptr->row_buf, row_info.rowbytes + 1); if (png_ptr->row_buf[0] > PNG_FILTER_VALUE_NONE) @@ -870,6 +876,11 @@ png_handle_cHRM(png_ptr, info_ptr, length); #endif +#ifdef PNG_READ_eXIf_SUPPORTED + else if (chunk_name == png_eXIf) + png_handle_eXIf(png_ptr, info_ptr, length); +#endif + #ifdef PNG_READ_gAMA_SUPPORTED else if (chunk_name == png_gAMA) png_handle_gAMA(png_ptr, info_ptr, length); @@ -1549,7 +1560,7 @@ #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) { @@ -1560,7 +1571,7 @@ 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) { @@ -1579,7 +1590,7 @@ } 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) { @@ -1911,7 +1922,7 @@ { case 4: entry[afirst ? 0 : 3] = (png_uint_16)alpha; - /* FALL THROUGH */ + /* FALLTHROUGH */ case 3: if (alpha < 65535) @@ -1933,7 +1944,7 @@ case 2: entry[1 ^ afirst] = (png_uint_16)alpha; - /* FALL THROUGH */ + /* FALLTHROUGH */ case 1: if (alpha < 65535) @@ -1962,6 +1973,7 @@ { case 4: entry[afirst ? 0 : 3] = (png_byte)alpha; + /* FALLTHROUGH */ case 3: entry[afirst + (2 ^ bgr)] = (png_byte)blue; entry[afirst + 1] = (png_byte)green; @@ -1970,6 +1982,7 @@ case 2: entry[1 ^ afirst] = (png_byte)alpha; + /* FALLTHROUGH */ case 1: entry[afirst] = (png_byte)green; break; @@ -2889,7 +2902,7 @@ case P_sRGB: /* Change to 8-bit sRGB */ png_set_alpha_mode_fixed(png_ptr, PNG_ALPHA_PNG, PNG_GAMMA_sRGB); - /* FALL THROUGH */ + /* FALLTHROUGH */ case P_FILE: if (png_ptr->bit_depth > 8) @@ -3207,8 +3220,7 @@ image->colormap_entries == 244 /* 216 + 1 + 27 */) break; - /* goto bad_output; */ - /* FALL THROUGH */ + goto bad_output; default: bad_output: @@ -3776,6 +3788,12 @@ output_gamma = PNG_DEFAULT_sRGB; } + if ((change & PNG_FORMAT_FLAG_ASSOCIATED_ALPHA) != 0) + { + mode = PNG_ALPHA_OPTIMIZED; + change &= ~PNG_FORMAT_FLAG_ASSOCIATED_ALPHA; + } + /* If 'do_local_background' is set check for the presence of gamma * correction; this is part of the work-round for the libpng bug * described above. @@ -4001,6 +4019,10 @@ else if (do_local_compose != 0) /* internal error */ png_error(png_ptr, "png_image_read: alpha channel lost"); + if ((format & PNG_FORMAT_FLAG_ASSOCIATED_ALPHA) != 0) { + info_format |= PNG_FORMAT_FLAG_ASSOCIATED_ALPHA; + } + if (info_ptr->bit_depth == 16) info_format |= PNG_FORMAT_FLAG_LINEAR; @@ -4156,7 +4178,7 @@ * * 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)
--- a/src/share/native/sun/awt/libpng/pngrio.c Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngrio.c Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * 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.) * @@ -57,7 +57,7 @@ * 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); @@ -75,14 +75,14 @@ * 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));
--- a/src/share/native/sun/awt/libpng/pngrtran.c Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngrtran.c Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * 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) 1998-2002,2004,2006-2018 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.) * @@ -77,6 +77,7 @@ case PNG_CRC_WARN_DISCARD: /* Not a valid action for critical data */ png_warning(png_ptr, "Can't discard critical data on CRC error"); + /* FALLTHROUGH */ case PNG_CRC_ERROR_QUIT: /* Error/quit */ case PNG_CRC_DEFAULT: @@ -319,7 +320,7 @@ * 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) @@ -457,7 +458,7 @@ int i; png_ptr->quantize_index = (png_bytep)png_malloc(png_ptr, - (png_uint_32)((png_uint_32)num_palette * (sizeof (png_byte)))); + (png_alloc_size_t)((png_uint_32)num_palette * (sizeof (png_byte)))); for (i = 0; i < num_palette; i++) png_ptr->quantize_index[i] = (png_byte)i; } @@ -474,7 +475,7 @@ /* Initialize an array to sort colors */ png_ptr->quantize_sort = (png_bytep)png_malloc(png_ptr, - (png_uint_32)((png_uint_32)num_palette * (sizeof (png_byte)))); + (png_alloc_size_t)((png_uint_32)num_palette * (sizeof (png_byte)))); /* Initialize the quantize_sort array */ for (i = 0; i < num_palette; i++) @@ -608,9 +609,11 @@ /* Initialize palette index arrays */ png_ptr->index_to_palette = (png_bytep)png_malloc(png_ptr, - (png_uint_32)((png_uint_32)num_palette * (sizeof (png_byte)))); + (png_alloc_size_t)((png_uint_32)num_palette * + (sizeof (png_byte)))); png_ptr->palette_to_index = (png_bytep)png_malloc(png_ptr, - (png_uint_32)((png_uint_32)num_palette * (sizeof (png_byte)))); + (png_alloc_size_t)((png_uint_32)num_palette * + (sizeof (png_byte)))); /* Initialize the sort array */ for (i = 0; i < num_palette; i++) @@ -619,7 +622,7 @@ png_ptr->palette_to_index[i] = (png_byte)i; } - hash = (png_dsortpp)png_calloc(png_ptr, (png_uint_32)(769 * + hash = (png_dsortpp)png_calloc(png_ptr, (png_alloc_size_t)(769 * (sizeof (png_dsortp)))); num_new_palette = num_palette; @@ -650,7 +653,7 @@ { t = (png_dsortp)png_malloc_warn(png_ptr, - (png_uint_32)(sizeof (png_dsort))); + (png_alloc_size_t)(sizeof (png_dsort))); if (t == NULL) break; @@ -772,12 +775,12 @@ 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_uint_32)(num_entries * (sizeof (png_byte)))); - - distance = (png_bytep)png_malloc(png_ptr, (png_uint_32)(num_entries * + (png_alloc_size_t)(num_entries * (sizeof (png_byte)))); + + distance = (png_bytep)png_malloc(png_ptr, (png_alloc_size_t)(num_entries * (sizeof (png_byte)))); memset(distance, 0xff, num_entries * (sizeof (png_byte))); @@ -1281,7 +1284,7 @@ default: case 8: - /* FALL THROUGH (Already 8 bits) */ + /* FALLTHROUGH */ /* (Already 8 bits) */ case 16: /* Already a full 16 bits */ @@ -1342,7 +1345,7 @@ 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.) */ @@ -1910,7 +1913,7 @@ 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.) */ @@ -2176,8 +2179,8 @@ { 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++) { @@ -2200,8 +2203,8 @@ 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++) { @@ -2223,8 +2226,8 @@ 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++) { @@ -2488,95 +2491,94 @@ 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; + + for (i = 0; i < row_width; 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; - } + save = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = save; } + } #ifdef PNG_READ_16BIT_SUPPORTED - /* This converts from RRGGBBAA to AARRGGBB */ - else + /* 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++) { - 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]; - } + 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 - } - - 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; + + for (i = 0; i < row_width; 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; - } + save = *(--sp); + *(--dp) = *(--sp); + *(--dp) = save; } + } #ifdef PNG_READ_16BIT_SUPPORTED - /* This converts from GGAA to AAGG */ - else + /* 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++) { - 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]; - } + save[0] = *(--sp); + save[1] = *(--sp); + *(--dp) = *(--sp); + *(--dp) = *(--sp); + *(--dp) = save[0]; + *(--dp) = save[1]; } + } #endif - } } } #endif @@ -2706,8 +2708,8 @@ 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; @@ -2722,8 +2724,8 @@ 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); @@ -2741,8 +2743,8 @@ 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; @@ -2760,8 +2762,8 @@ 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); @@ -2783,8 +2785,8 @@ 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; @@ -2801,8 +2803,8 @@ 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); @@ -2822,8 +2824,8 @@ 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; @@ -2845,8 +2847,8 @@ 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); @@ -2887,8 +2889,8 @@ 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; @@ -2900,8 +2902,8 @@ 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; @@ -2919,8 +2921,8 @@ 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--); @@ -2933,8 +2935,8 @@ 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--); @@ -2962,7 +2964,7 @@ * using the equation given in Poynton's ColorFAQ of 1998-01-04 at * <http://www.inforamp.net/~poynton/> (THIS LINK IS DEAD June 2008 but * versions dated 1998 through November 2002 have been archived at - * http://web.archive.org/web/20000816232553/http://www.inforamp.net/ + * https://web.archive.org/web/20000816232553/www.inforamp.net/ * ~poynton/notes/colour_and_gamma/ColorFAQ.txt ) * Charles Poynton poynton at poynton.com * @@ -3005,7 +3007,7 @@ * 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. @@ -3234,351 +3236,75 @@ 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: { - 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: + { +#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--; - } - break; - } - - case 2: - { -#ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_table != NULL) - { - sp = row; - shift = 6; - for (i = 0; i < row_width; i++) - { - 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; - } - } - - else -#endif - { - sp = row; - shift = 6; - for (i = 0; i < row_width; i++) - { - 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; - } - } - break; - } - - case 4: - { -#ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_table != NULL) - { - sp = row; - shift = 4; - for (i = 0; i < row_width; i++) - { - 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; - } - } - - else -#endif - { - sp = row; - shift = 4; - for (i = 0; i < row_width; i++) - { - 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; - } - } - 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 (*sp == png_ptr->trans_color.gray) - *sp = (png_byte)png_ptr->background.gray; - } - } - break; - } - - case 16: - { -#ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_16 != NULL) - { - 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) - { - /* 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); - } - } - } - 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); - } - } - } - break; - } - - default: - break; - } - break; - } - - case PNG_COLOR_TYPE_RGB: - { - if (row_info->bit_depth == 8) - { -#ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_table != NULL) - { - 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 - { - *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)); - - png_uint_16 g = (png_uint_16)(((*(sp + 2)) << 8) - + *(sp + 3)); - - 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) - { - /* 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); - } + shift -= 2; } } @@ -3586,67 +3312,153 @@ #endif { sp = row; - for (i = 0; i < row_width; i++, sp += 6) + shift = 6; + for (i = 0; i < row_width; i++) { - 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)); - - if (r == png_ptr->trans_color.red && - g == png_ptr->trans_color.green && - b == png_ptr->trans_color.blue) + 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) { - *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); + shift = 6; + sp++; } + + else + shift -= 2; + } + } + break; + } + + case 4: + { +#ifdef PNG_READ_GAMMA_SUPPORTED + if (gamma_table != NULL) + { + sp = row; + shift = 4; + for (i = 0; i < row_width; i++) + { + 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; } } + + else +#endif + { + sp = row; + shift = 4; + for (i = 0; i < row_width; i++) + { + 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; + } + } + break; } - break; - } - - case PNG_COLOR_TYPE_GRAY_ALPHA: - { - if (row_info->bit_depth == 8) + + case 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++) + { + 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 (*sp == png_ptr->trans_color.gray) + *sp = (png_byte)png_ptr->background.gray; + } + } + break; + } + + case 16: + { +#ifdef PNG_READ_GAMMA_SUPPORTED + if (gamma_16 != NULL) { sp = row; for (i = 0; i < row_width; i++, sp += 2) { - png_uint_16 a = *(sp + 1); - - if (a == 0xff) - *sp = gamma_table[*sp]; - - else if (a == 0) + 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; + *sp = (png_byte)((png_ptr->background.gray >> 8) + & 0xff); + *(sp + 1) = (png_byte)(png_ptr->background.gray + & 0xff); } else { - png_byte v, w; - - 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; + v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; + *sp = (png_byte)((v >> 8) & 0xff); + *(sp + 1) = (png_byte)(v & 0xff); } } } @@ -3656,298 +3468,486 @@ 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; - - v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; - *sp = (png_byte)((v >> 8) & 0xff); - *(sp + 1) = (png_byte)(v & 0xff); - } - - 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); - } - - 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 -#endif - { - 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 == 0) + 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); - } - - 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); - } - } - } - } - break; - } - - case PNG_COLOR_TYPE_RGB_ALPHA: - { - if (row_info->bit_depth == 8) - { -#ifdef PNG_READ_GAMMA_SUPPORTED - if (gamma_to_1 != NULL && gamma_from_1 != NULL && - gamma_table != NULL) - { - sp = row; - for (i = 0; i < row_width; i++, sp += 4) - { - png_byte a = *(sp + 3); - - 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 - { - 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; + & 0xff); + *(sp + 1) = (png_byte)(png_ptr->background.gray + & 0xff); } } } - else + break; + } + + default: + break; + } + break; + } + + case PNG_COLOR_TYPE_RGB: + { + if (row_info->bit_depth == 8) + { +#ifdef PNG_READ_GAMMA_SUPPORTED + if (gamma_table != NULL) + { + 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 + { + *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) { - sp = row; - for (i = 0; i < row_width; i++, sp += 4) + 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)); + + png_uint_16 g = (png_uint_16)(((*(sp + 2)) << 8) + + *(sp + 3)); + + 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) + { + /* 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_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; - } - - 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 + 2), *(sp + 2), a, - png_ptr->background.blue); - } + 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 +#endif + { + sp = row; + for (i = 0; i < row_width; i++, sp += 6) + { + 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)); + + 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); + } + } + } + } + break; + } + + case PNG_COLOR_TYPE_GRAY_ALPHA: + { + if (row_info->bit_depth == 8) + { +#ifdef PNG_READ_GAMMA_SUPPORTED + if (gamma_to_1 != NULL && gamma_from_1 != NULL && + gamma_table != NULL) + { + sp = row; + for (i = 0; i < row_width; i++, sp += 2) + { + png_uint_16 a = *(sp + 1); + + if (a == 0xff) + *sp = gamma_table[*sp]; + + else if (a == 0) + { + /* Background is already in screen gamma */ + *sp = (png_byte)png_ptr->background.gray; + } + + else + { + png_byte v, w; + + 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; + + v = gamma_16[*(sp + 1) >> gamma_shift][*sp]; + *sp = (png_byte)((v >> 8) & 0xff); + *(sp + 1) = (png_byte)(v & 0xff); + } + + 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); + } + + 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 /* if (row_info->bit_depth == 16) */ + else +#endif { -#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) { - sp = row; - for (i = 0; i < row_width; i++, sp += 8) + png_uint_16 a = (png_uint_16)(((*(sp + 2)) << 8) + + *(sp + 3)); + + if (a == 0) { - 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; - - 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 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); - } + *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; + + 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); } } - - else -#endif + } + } + break; + } + + case PNG_COLOR_TYPE_RGB_ALPHA: + { + if (row_info->bit_depth == 8) + { +#ifdef PNG_READ_GAMMA_SUPPORTED + 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 += 8) + png_byte a = *(sp + 3); + + 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 { - 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); - } - - 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_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, b, a, png_ptr->background.blue); - *(sp + 4) = (png_byte)((v >> 8) & 0xff); - *(sp + 5) = (png_byte)(v & 0xff); - } + 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; + } + } + } + else +#endif + { + sp = row; + for (i = 0; i < row_width; i++, sp += 4) + { + 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; + } + + 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 + 2), *(sp + 2), a, + png_ptr->background.blue); } } } - break; } - - default: - break; + 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) + { + 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))); + + 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 + 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 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 +#endif + { + 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))); + + 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; + + 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, 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); + } + } + } + } + break; } + + default: + break; } } #endif /* READ_BACKGROUND || READ_ALPHA_MODE */ @@ -4245,8 +4245,8 @@ { 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++) { @@ -4272,8 +4272,8 @@ 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++) { @@ -4295,8 +4295,8 @@ 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++) { @@ -4329,8 +4329,8 @@ { 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++) { @@ -4354,8 +4354,8 @@ 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++) { @@ -4390,195 +4390,130 @@ 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; + + if (row_info->bit_depth < 8) { - unsigned int gray = trans_color != NULL ? trans_color->gray : 0; - - 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 + (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++; - - dp--; - } - break; - } - - 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++) - { - value = (*sp >> shift) & 0x03; - *dp = (png_byte)(value | (value << 2) | (value << 4) | - (value << 6)); - if (shift == 6) - { - shift = 0; - sp--; - } - - else - shift += 2; - - dp--; - } - 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; - - dp--; - } - break; - } - - default: - 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) - { - gray = gray & 0xff; - sp = row + (png_size_t)row_width - 1; - dp = row + (png_size_t)(row_width << 1) - 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++) { - if ((*sp & 0xffU) == gray) - *dp-- = 0; + if ((*sp >> shift) & 0x01) + *dp = 0xff; else - *dp-- = 0xff; - - *dp-- = *sp--; - } - } - - else if (row_info->bit_depth == 16) - { - 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; - for (i = 0; i < row_width; i++) - { - if ((*(sp - 1) & 0xffU) == gray_high && - (*(sp) & 0xffU) == gray_low) + *dp = 0; + + if (shift == 7) { - *dp-- = 0; - *dp-- = 0; + shift = 0; + sp--; } else + shift++; + + dp--; + } + break; + } + + case 2: + { + 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++) + { + value = (*sp >> shift) & 0x03; + *dp = (png_byte)(value | (value << 2) | (value << 4) | + (value << 6)); + if (shift == 6) { - *dp-- = 0xff; - *dp-- = 0xff; + shift = 0; + sp--; } - *dp-- = *sp--; - *dp-- = *sp--; + else + shift += 2; + + 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); + case 4: + { + 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++) + { + value = (*sp >> shift) & 0x0f; + *dp = (png_byte)(value | (value << 4)); + if (shift == 4) + { + shift = 0; + sp--; + } + + else + shift = 4; + + dp--; + } + break; + } + + 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; @@ -4592,17 +4527,80 @@ *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 @@ -4629,7 +4627,9 @@ png_byte *sp = row + row_info->rowbytes; /* source, last byte + 1 */ png_byte *dp = sp + row_info->rowbytes; /* destination, end + 1 */ while (dp > sp) - dp[-2] = dp[-1] = *--sp, dp -= 2; + { + dp[-2] = dp[-1] = *--sp; dp -= 2; + } row_info->rowbytes *= 2; row_info->bit_depth = 16; @@ -4783,8 +4783,7 @@ &(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 @@ -5008,7 +5007,7 @@ (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) */
--- a/src/share/native/sun/awt/libpng/pngrutil.c Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngrutil.c Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.27 [January 5, 2017] - * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson + * Last changed in libpng 1.6.35 [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.) * @@ -148,7 +148,7 @@ 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) @@ -209,6 +209,9 @@ /* Check to see if chunk name is valid. */ png_check_chunk_name(png_ptr, png_ptr->chunk_name); + /* Check for too-large chunk length */ + png_check_chunk_length(png_ptr, length); + #ifdef PNG_IO_STATE_SUPPORTED png_ptr->io_state = PNG_IO_READING | PNG_IO_CHUNK_DATA; #endif @@ -339,6 +342,7 @@ if (buffer != NULL) { + memset(buffer, 0, new_size); /* just in case */ png_ptr->read_buffer = buffer; png_ptr->read_buffer_size = new_size; } @@ -446,7 +450,7 @@ png_ptr->flags |= PNG_FLAG_ZSTREAM_INITIALIZED; } -#if ZLIB_VERNUM >= 0x1281 && \ +#if ZLIB_VERNUM >= 0x1290 && \ defined(PNG_SET_OPTION_SUPPORTED) && defined(PNG_IGNORE_ADLER32) if (((png_ptr->options >> PNG_IGNORE_ADLER32) & 3) == PNG_OPTION_ON) /* Turn off validation of the ADLER32 checksum in IDAT chunks */ @@ -698,6 +702,8 @@ if (text != NULL) { + memset(text, 0, buffer_size); + ret = png_inflate(png_ptr, png_ptr->chunk_name, 1/*finish*/, png_ptr->read_buffer + prefix_size, &lzsize, text + prefix_size, newlength); @@ -761,9 +767,7 @@ { /* inflateReset failed, store the error message */ png_zstream_error(png_ptr, ret); - - if (ret == Z_STREAM_END) - ret = PNG_UNEXPECTED_ZLIB_RETURN; + ret = PNG_UNEXPECTED_ZLIB_RETURN; } } @@ -1405,11 +1409,13 @@ * chunk is just ignored, so does not invalidate the color space. An * alternative is to set the 'invalid' flags at the start of this routine * and only clear them in they were not set before and all the tests pass. - * The minimum 'deflate' stream is assumed to be just the 2 byte header and - * 4 byte checksum. The keyword must be at least one character and there is - * a terminator (0) byte and the compression method. */ - if (length < 9) + + /* The keyword must be at least one character and there is a + * terminator (0) byte and the compression method byte, and the + * 'zlib' datastream is at least 11 bytes. + */ + if (length < 14) { png_crc_finish(png_ptr, length); png_chunk_benign_error(png_ptr, "too short"); @@ -1441,6 +1447,16 @@ png_crc_read(png_ptr, (png_bytep)keyword, read_length); length -= read_length; + /* The minimum 'zlib' stream is assumed to be just the 2 byte header, + * 5 bytes minimum 'deflate' stream, and the 4 byte checksum. + */ + if (length < 11) + { + png_crc_finish(png_ptr, length); + png_chunk_benign_error(png_ptr, "too short"); + return; + } + keyword_length = 0; while (keyword_length < 80 && keyword_length < read_length && keyword[keyword_length] != 0) @@ -1459,7 +1475,7 @@ if (png_inflate_claim(png_ptr, png_iCCP) == Z_OK) { - Byte profile_header[132]; + Byte profile_header[132]={0}; Byte local_buffer[PNG_INFLATE_BUF_SIZE]; png_alloc_size_t size = (sizeof profile_header); @@ -1489,7 +1505,7 @@ /* Now read the tag table; a variable size buffer is * needed at this point, allocate one for the whole * profile. The header check has already validated - * that none of these stuff will overflow. + * that none of this stuff will overflow. */ const png_uint_32 tag_count = png_get_uint_32( profile_header+128); @@ -1596,19 +1612,11 @@ return; } } - - else if (size > 0) - errmsg = "truncated"; - -#ifndef __COVERITY__ - else + if (errmsg == NULL) errmsg = png_ptr->zstream.msg; -#endif } - /* else png_icc_check_tag_table output an error */ } - else /* profile truncated */ errmsg = png_ptr->zstream.msg; } @@ -1668,7 +1676,7 @@ 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"); @@ -2017,6 +2025,15 @@ 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 = @@ -2026,6 +2043,15 @@ 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); @@ -2037,6 +2063,69 @@ } #endif +#ifdef PNG_READ_eXIf_SUPPORTED +void /* PRIVATE */ +png_handle_eXIf(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length) +{ + unsigned int i; + + png_debug(1, "in png_handle_eXIf"); + + if ((png_ptr->mode & PNG_HAVE_IHDR) == 0) + png_chunk_error(png_ptr, "missing IHDR"); + + if (length < 2) + { + png_crc_finish(png_ptr, length); + png_chunk_benign_error(png_ptr, "too short"); + return; + } + + else if (info_ptr == NULL || (info_ptr->valid & PNG_INFO_eXIf) != 0) + { + png_crc_finish(png_ptr, length); + png_chunk_benign_error(png_ptr, "duplicate"); + return; + } + + info_ptr->free_me |= PNG_FREE_EXIF; + + info_ptr->eXIf_buf = png_voidcast(png_bytep, + png_malloc_warn(png_ptr, length)); + + if (info_ptr->eXIf_buf == NULL) + { + png_crc_finish(png_ptr, length); + png_chunk_benign_error(png_ptr, "out of memory"); + return; + } + + for (i = 0; i < length; i++) + { + png_byte buf[1]; + png_crc_read(png_ptr, buf, 1); + info_ptr->eXIf_buf[i] = buf[0]; + if (i == 1 && buf[0] != 'M' && buf[0] != 'I' + && info_ptr->eXIf_buf[0] != buf[0]) + { + png_crc_finish(png_ptr, length); + png_chunk_benign_error(png_ptr, "incorrect byte-order specifier"); + png_free(png_ptr, info_ptr->eXIf_buf); + info_ptr->eXIf_buf = NULL; + return; + } + } + + if (png_crc_finish(png_ptr, 0) != 0) + return; + + png_set_eXIf_1(png_ptr, info_ptr, length, info_ptr->eXIf_buf); + + png_free(png_ptr, info_ptr->eXIf_buf); + info_ptr->eXIf_buf = NULL; +} +#endif + #ifdef PNG_READ_hIST_SUPPORTED void /* PRIVATE */ png_handle_hIST(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length) @@ -2316,7 +2405,7 @@ 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"); @@ -2386,7 +2475,7 @@ else { - png_size_t heighti = i; + size_t heighti = i; state = 0; if (png_check_fp_number((png_const_charp)buffer, length, @@ -2565,6 +2654,9 @@ if ((png_ptr->mode & PNG_HAVE_IDAT) != 0) png_ptr->mode |= PNG_AFTER_IDAT; + /* Note, "length" is sufficient here; we won't be adding + * a null terminator later. + */ buffer = png_read_buffer(png_ptr, length, 2/*silent*/); if (buffer == NULL) @@ -2611,23 +2703,28 @@ { png_text text; - /* It worked; png_ptr->read_buffer now looks like a tEXt chunk except - * for the extra compression type byte and the fact that it isn't - * necessarily '\0' terminated. - */ - buffer = png_ptr->read_buffer; - buffer[uncompressed_length+(keyword_length+2)] = 0; - - text.compression = PNG_TEXT_COMPRESSION_zTXt; - text.key = (png_charp)buffer; - text.text = (png_charp)(buffer + keyword_length+2); - text.text_length = uncompressed_length; - text.itxt_length = 0; - text.lang = NULL; - text.lang_key = NULL; - - if (png_set_text_2(png_ptr, info_ptr, &text, 1) != 0) - errmsg = "insufficient memory"; + if (png_ptr->read_buffer == NULL) + errmsg="Read failure in png_handle_zTXt"; + else + { + /* It worked; png_ptr->read_buffer now looks like a tEXt chunk + * except for the extra compression type byte and the fact that + * it isn't necessarily '\0' terminated. + */ + buffer = png_ptr->read_buffer; + buffer[uncompressed_length+(keyword_length+2)] = 0; + + text.compression = PNG_TEXT_COMPRESSION_zTXt; + text.key = (png_charp)buffer; + text.text = (png_charp)(buffer + keyword_length+2); + text.text_length = uncompressed_length; + text.itxt_length = 0; + text.lang = NULL; + text.lang_key = NULL; + + if (png_set_text_2(png_ptr, info_ptr, &text, 1) != 0) + errmsg = "insufficient memory"; + } } else @@ -2816,7 +2913,7 @@ { 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*/; @@ -3003,7 +3100,7 @@ case 2: png_ptr->user_chunk_cache_max = 1; png_chunk_benign_error(png_ptr, "no space in chunk cache"); - /* FALL THROUGH */ + /* FALLTHROUGH */ case 1: /* NOTE: prior to 1.6.0 this case resulted in an unknown critical * chunk being skipped, now there will be a hard error below. @@ -3012,7 +3109,7 @@ default: /* not at limit */ --(png_ptr->user_chunk_cache_max); - /* FALL THROUGH */ + /* FALLTHROUGH */ case 0: /* no limit */ # endif /* USER_LIMITS */ /* Here when the limit isn't reached or when limits are compiled @@ -3063,20 +3160,61 @@ */ void /* PRIVATE */ -png_check_chunk_name(png_structrp png_ptr, png_uint_32 chunk_name) +png_check_chunk_name(png_const_structrp png_ptr, const png_uint_32 chunk_name) { int i; + png_uint_32 cn=chunk_name; png_debug(1, "in png_check_chunk_name"); for (i=1; i<=4; ++i) { - int c = chunk_name & 0xff; + int c = cn & 0xff; if (c < 65 || c > 122 || (c > 90 && c < 97)) png_chunk_error(png_ptr, "invalid chunk type"); - chunk_name >>= 8; + cn >>= 8; + } +} + +void /* PRIVATE */ +png_check_chunk_length(png_const_structrp png_ptr, const png_uint_32 length) +{ + png_alloc_size_t limit = PNG_UINT_31_MAX; + +# ifdef PNG_SET_USER_LIMITS_SUPPORTED + if (png_ptr->user_chunk_malloc_max > 0 && + png_ptr->user_chunk_malloc_max < limit) + limit = png_ptr->user_chunk_malloc_max; +# elif PNG_USER_CHUNK_MALLOC_MAX > 0 + if (PNG_USER_CHUNK_MALLOC_MAX < limit) + limit = PNG_USER_CHUNK_MALLOC_MAX; +# endif + if (png_ptr->chunk_name == png_IDAT) + { + png_alloc_size_t idat_limit = PNG_UINT_31_MAX; + size_t row_factor = + (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; + else + idat_limit = png_ptr->height * row_factor; + row_factor = row_factor > 32566? 32566 : row_factor; + idat_limit += 6 + 5*(idat_limit/row_factor+1); /* zlib+deflate overhead */ + idat_limit=idat_limit < PNG_UINT_31_MAX? idat_limit : PNG_UINT_31_MAX; + limit = limit < idat_limit? idat_limit : limit; + } + + if (length > limit) + { + png_debug2(0," length = %lu, limit = %lu", + (unsigned long)length,(unsigned long)limit); + png_chunk_error(png_ptr, "chunk data is too large"); } } @@ -3405,7 +3543,7 @@ */ do { - dp[0] = sp[0], dp[1] = sp[1]; + dp[0] = sp[0]; dp[1] = sp[1]; if (row_width <= bytes_to_jump) return; @@ -3426,7 +3564,7 @@ */ for (;;) { - dp[0] = sp[0], dp[1] = sp[1], dp[2] = sp[2]; + dp[0] = sp[0]; dp[1] = sp[1]; dp[2] = sp[2]; if (row_width <= bytes_to_jump) return; @@ -3590,8 +3728,8 @@ { 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; @@ -3717,8 +3855,8 @@ 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; @@ -3780,12 +3918,12 @@ default: { - png_size_t pixel_bytes = (row_info->pixel_depth >> 3); - - png_bytep sp = row + (png_size_t)(row_info->width - 1) + size_t pixel_bytes = (row_info->pixel_depth >> 3); + + 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; @@ -3822,8 +3960,8 @@ 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; @@ -3840,8 +3978,8 @@ 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; @@ -3856,11 +3994,11 @@ 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++) { @@ -3915,7 +4053,10 @@ /* Find the best predictor, the least of pa, pb, pc favoring the earlier * ones in the case of a tie. */ - if (pb < pa) pa = pb, a = b; + if (pb < pa) + { + pa = pb; a = b; + } if (pc < pa) a = c; /* Calculate the current pixel in a, and move the previous row pixel to c @@ -3967,7 +4108,10 @@ pc = (p + pc) < 0 ? -(p + pc) : p + pc; #endif - if (pb < pa) pa = pb, a = b; + if (pb < pa) + { + pa = pb; a = b; + } if (pc < pa) a = c; a += *row; @@ -4290,7 +4434,7 @@ 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");
--- a/src/share/native/sun/awt/libpng/pngset.c Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngset.c Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.26 [October 20, 2016] - * Copyright (c) 1998-2016 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.) * @@ -162,6 +162,53 @@ #endif /* cHRM */ +#ifdef PNG_eXIf_SUPPORTED +void PNGAPI +png_set_eXIf(png_const_structrp png_ptr, png_inforp info_ptr, + const png_bytep eXIf_buf) +{ + png_warning(png_ptr, "png_set_eXIf does not work; use png_set_eXIf_1"); + PNG_UNUSED(info_ptr) + PNG_UNUSED(eXIf_buf) +} + +void PNGAPI +png_set_eXIf_1(png_const_structrp png_ptr, png_inforp info_ptr, + const png_uint_32 num_exif, const png_bytep eXIf_buf) +{ + int i; + + png_debug1(1, "in %s storage function", "eXIf"); + + if (png_ptr == NULL || info_ptr == NULL) + return; + + if (info_ptr->exif) + { + png_free(png_ptr, info_ptr->exif); + info_ptr->exif = NULL; + } + + info_ptr->num_exif = num_exif; + + info_ptr->exif = png_voidcast(png_bytep, png_malloc_warn(png_ptr, + info_ptr->num_exif)); + + if (info_ptr->exif == NULL) + { + png_warning(png_ptr, "Insufficient memory for eXIf chunk data"); + return; + } + + info_ptr->free_me |= PNG_FREE_EXIF; + + for (i = 0; i < (int) info_ptr->num_exif; i++) + info_ptr->exif[i] = eXIf_buf[i]; + + info_ptr->valid |= PNG_INFO_eXIf; +} +#endif /* eXIf */ + #ifdef PNG_gAMA_SUPPORTED void PNGFAPI png_set_gAMA_fixed(png_const_structrp png_ptr, png_inforp info_ptr, @@ -294,7 +341,7 @@ 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"); @@ -371,7 +418,7 @@ 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) { @@ -411,7 +458,7 @@ 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"); @@ -672,7 +719,7 @@ { 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"); @@ -999,7 +1046,7 @@ /* 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; } @@ -1079,7 +1126,7 @@ do { - png_size_t length; + size_t length; /* Skip invalid input entries */ if (entries->name == NULL || entries->entries == NULL) @@ -1130,8 +1177,9 @@ info_ptr->valid |= PNG_INFO_sPLT; ++(info_ptr->splt_palettes_num); ++np; + ++entries; } - while (++entries, --nentries); + while (--nentries); if (nentries > 0) png_chunk_report(png_ptr, "sPLT out of memory", PNG_CHUNK_WRITE_ERROR); @@ -1382,6 +1430,7 @@ static PNG_CONST png_byte chunks_to_ignore[] = { 98, 75, 71, 68, '\0', /* bKGD */ 99, 72, 82, 77, '\0', /* cHRM */ + 101, 88, 73, 102, '\0', /* eXIf */ 103, 65, 77, 65, '\0', /* gAMA */ 104, 73, 83, 84, '\0', /* hIST */ 105, 67, 67, 80, '\0', /* iCCP */ @@ -1542,7 +1591,7 @@ #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; @@ -1724,14 +1773,16 @@ png_byte ch = (png_byte)*key++; if ((ch > 32 && ch <= 126) || (ch >= 161 /*&& ch <= 255*/)) - *new_key++ = ch, ++key_len, space = 0; + { + *new_key++ = ch; ++key_len; space = 0; + } else if (space == 0) { /* A space or an invalid character when one wasn't seen immediately * before; output just a space. */ - *new_key++ = 32, ++key_len, space = 1; + *new_key++ = 32; ++key_len; space = 1; /* If the character was not a space then it is invalid. */ if (ch != 32) @@ -1744,7 +1795,7 @@ if (key_len > 0 && space != 0) /* trailing space */ { - --key_len, --new_key; + --key_len; --new_key; if (bad_character == 0) bad_character = 32; }
--- a/src/share/native/sun/awt/libpng/pngstruct.h Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngstruct.h Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.28 [January 5, 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.) * @@ -75,7 +75,7 @@ /* 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.) @@ -242,7 +242,7 @@ 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 */ @@ -260,7 +260,7 @@ 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 */ @@ -335,7 +335,7 @@ #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) \ @@ -356,10 +356,10 @@ 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 */ @@ -479,7 +479,7 @@ #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 */
--- a/src/share/native/sun/awt/libpng/pngtrans.c Tue Mar 06 18:29:10 2018 +0000 +++ b/src/share/native/sun/awt/libpng/pngtrans.c Wed Aug 01 11:16:50 2018 -0700 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * 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) 1998-2002,2004,2006-2018 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.) * @@ -297,8 +297,8 @@ 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++) { @@ -311,8 +311,8 @@ 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) { @@ -326,8 +326,8 @@ 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) { @@ -542,11 +542,15 @@ if (at_start != 0) /* Skip initial filler */ ++sp; else /* Skip initial channel and, for sp, the filler */ - sp += 2, ++dp; + { + sp += 2; ++dp; + } /* For a 1 pixel wide image there is nothing to do */ while (sp < ep) - *dp++ = *sp, sp += 2; + { + *dp++ = *sp; sp += 2; + } row_info->pixel_depth = 8; } @@ -556,10 +560,14 @@ if (at_start != 0) /* Skip initial filler */ sp += 2; else /* Skip initial channel and, for sp, the filler */ - sp += 4, dp += 2; + { + sp += 4; dp += 2; + } while (sp < ep) - *dp++ = *sp++, *dp++ = *sp, sp += 3; + { + *dp++ = *sp++; *dp++ = *sp; sp += 3; + } row_info->pixel_depth = 16; } @@ -582,11 +590,15 @@ if (at_start != 0) /* Skip initial filler */ ++sp; else /* Skip initial channels and, for sp, the filler */ - sp += 4, dp += 3; + { + sp += 4; dp += 3; + } /* Note that the loop adds 3 to dp and 4 to sp each time. */ while (sp < ep) - *dp++ = *sp++, *dp++ = *sp++, *dp++ = *sp, sp += 2; + { + *dp++ = *sp++; *dp++ = *sp++; *dp++ = *sp; sp += 2; + } row_info->pixel_depth = 24; } @@ -596,14 +608,16 @@ if (at_start != 0) /* Skip initial filler */ sp += 2; else /* Skip initial channels and, for sp, the filler */ - sp += 8, dp += 6; + { + sp += 8; dp += 6; + } while (sp < ep) { /* Copy 6 bytes, skip 2 */ - *dp++ = *sp++, *dp++ = *sp++; - *dp++ = *sp++, *dp++ = *sp++; - *dp++ = *sp++, *dp++ = *sp, sp += 3; + *dp++ = *sp++; *dp++ = *sp++; + *dp++ = *sp++; *dp++ = *sp++; + *dp++ = *sp++; *dp++ = *sp; sp += 3; } row_info->pixel_depth = 48; @@ -623,7 +637,7 @@ return; /* The filler channel has gone already */ /* Fix the rowbytes value. */ - row_info->rowbytes = (unsigned int)(dp-row); + row_info->rowbytes = (size_t)(dp-row); } #endif @@ -722,7 +736,7 @@ * forms produced on either GCC or MSVC. */ int padding = PNG_PADBITS(row_info->pixel_depth, row_info->width); - png_bytep rp = png_ptr->row_buf + row_info->rowbytes; + png_bytep rp = png_ptr->row_buf + row_info->rowbytes - 1; switch (row_info->bit_depth) {