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[libpng17] Update CHANGES and ANNOUNCE, fix two trivial typos in comments
This commit is contained in:
Glenn Randers-Pehrson
parent
4253c4d759
commit
fafbc6a458
20
ANNOUNCE
20
ANNOUNCE
@ -1,5 +1,5 @@
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Libpng 1.7.0beta76 - December 29, 2015
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Libpng 1.7.0beta76 - December 30, 2015
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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@ -1139,7 +1139,7 @@ Version 1.7.0beta75 [December 21, 2015]
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struct; put the check that relies on pz->list being non-NULL
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second (David Drysdale).
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Version 1.7.0beta76 [December 29, 2015]
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Version 1.7.0beta76 [December 30, 2015]
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Corrected the options handling. Setting the new, higher, option
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bits triggered the byte check (which is no longer necessary).
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Added NULL pz->list test to png_zlib_compress_validate(). This seems
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@ -1149,6 +1149,22 @@ Version 1.7.0beta76 [December 29, 2015]
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Added code to pngcp.c to iterate through the command line options when
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non-list options have the 'all' parameter. This is used to rapidly
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test the effect of different zlib options.
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Revised the handling of tIME and text chunks on read to record the
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location of the chunks relative to PLTE and IDAT. Behavior on write
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is unchanged except that if the position was recorded on read it will
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be re-used. This involves an ABI change to the png_text_struct; a
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one byte location field is added (with the same meaning as the one
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used to record unknown chunk location.) Because this field is only
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used on read there is no API change unless a png_info from a libpng
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read is passed to a subsequent libpng write (this did not work very
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well before 1.7; the tIME chunk could get duplicated.) The new field
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is ignored by png_set_text(), resetting it to the current position
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in the read or write stream. On write the position is set to the
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next location to be written unless the write has not started (the
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position is before the signature) in which case the location is set
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to PNG_HAVE_PLTE|PNG_AFTER_IDAT. When the chunk is written the
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position is set to the actual write location (effectively the position
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is frozen.)
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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18
CHANGES
18
CHANGES
@ -5438,7 +5438,7 @@ Version 1.7.0beta75 [December 21, 2015]
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struct; put the check that relies on pz->list being non-NULL
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second (David Drysdale).
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Version 1.7.0beta76 [December 29, 2015]
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Version 1.7.0beta76 [December 30, 2015]
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Corrected the options handling. Setting the new, higher, option
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bits triggered the byte check (which is no longer necessary).
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Added NULL pz->list test to png_zlib_compress_validate(). This seems
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@ -5448,6 +5448,22 @@ Version 1.7.0beta76 [December 29, 2015]
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Added code to pngcp.c to iterate through the command line options when
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non-list options have the 'all' parameter. This is used to rapidly
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test the effect of different zlib options.
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Revised the handling of tIME and text chunks on read to record the
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location of the chunks relative to PLTE and IDAT. Behavior on write
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is unchanged except that if the position was recorded on read it will
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be re-used. This involves an ABI change to the png_text_struct; a
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one byte location field is added (with the same meaning as the one
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used to record unknown chunk location.) Because this field is only
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used on read there is no API change unless a png_info from a libpng
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read is passed to a subsequent libpng write (this did not work very
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well before 1.7; the tIME chunk could get duplicated.) The new field
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is ignored by png_set_text(), resetting it to the current position
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in the read or write stream. On write the position is set to the
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next location to be written unless the write has not started (the
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position is before the signature) in which case the location is set
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to PNG_HAVE_PLTE|PNG_AFTER_IDAT. When the chunk is written the
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position is set to the actual write location (effectively the position
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is frozen.)
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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4
png.c
4
png.c
@ -705,14 +705,14 @@ png_get_copyright(png_const_structrp png_ptr)
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#else
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# ifdef __STDC__
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return PNG_STRING_NEWLINE \
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"libpng version 1.7.0beta76 - December 25, 2015" PNG_STRING_NEWLINE \
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"libpng version 1.7.0beta76 - December 30, 2015" PNG_STRING_NEWLINE \
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"Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson" \
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PNG_STRING_NEWLINE \
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"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
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"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
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PNG_STRING_NEWLINE;
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# else
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return "libpng version 1.7.0beta76 - December 25, 2015\
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return "libpng version 1.7.0beta76 - December 30, 2015\
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Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson\
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Copyright (c) 1996-1997 Andreas Dilger\
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Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
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10
png.h
10
png.h
@ -1,7 +1,7 @@
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/* png.h - header file for PNG reference library
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*
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* libpng version 1.7.0beta76, December 25, 2015
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* libpng version 1.7.0beta76, December 30, 2015
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*
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* Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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@ -12,7 +12,7 @@
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* Authors and maintainers:
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* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
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* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
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* libpng versions 0.97, January 1998, through 1.7.0beta76, December 25, 2015:
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* libpng versions 0.97, January 1998, through 1.7.0beta76, December 30, 2015:
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* Glenn Randers-Pehrson.
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* See also "Contributing Authors", below.
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*/
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@ -25,7 +25,7 @@
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*
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* This code is released under the libpng license.
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*
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* libpng versions 1.0.7, July 1, 2000, through 1.7.0beta76, December 25, 2015, are
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* libpng versions 1.0.7, July 1, 2000, through 1.7.0beta76, December 30, 2015, are
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* Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, are
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* derived from libpng-1.0.6, and are distributed according to the same
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* disclaimer and license as libpng-1.0.6 with the following individuals
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@ -218,7 +218,7 @@
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* Y2K compliance in libpng:
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* =========================
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*
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* December 25, 2015
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* December 30, 2015
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*
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* Since the PNG Development group is an ad-hoc body, we can't make
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* an official declaration.
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@ -288,7 +288,7 @@
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/* Version information for png.h - this should match the version in png.c */
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#define PNG_LIBPNG_VER_STRING "1.7.0beta76"
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#define PNG_HEADER_VERSION_STRING \
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" libpng version 1.7.0beta76 - December 25, 2015\n"
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" libpng version 1.7.0beta76 - December 30, 2015\n"
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#define PNG_LIBPNG_VER_SONUM 17
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#define PNG_LIBPNG_VER_DLLNUM 17
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@ -1,7 +1,7 @@
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/* pngconf.h - machine configurable file for libpng
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*
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* libpng version 1.7.0beta76, December 25, 2015
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* libpng version 1.7.0beta76, December 30, 2015
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*
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* Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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2
pngset.c
2
pngset.c
@ -679,7 +679,7 @@ get_location(png_const_structrp png_ptr)
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/* Return the correct location flag for a chunk. For a png_set_<chunk>
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* called during read this is the current read location, for a
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* png_set_<chunk> called during write it is the following write location
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* (because the currents at the current location have already been written.)
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* (because the chunks at the current location have already been written.)
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* For a png_set_<chunk> called before read starts (none of the 'position'
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* mode bits are set) the position is set to the start (PNG_HAVE_IHDR). For
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* a png_set_chunk> called before write starts PNG_HAVE_PLTE|PNG_AFTER_IDAT
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@ -134,7 +134,7 @@ png_write_text(png_structrp png_ptr, png_const_inforp info_ptr, png_byte where)
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}
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/* The chunk was written, record where. This allows the location to have
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* multiple bits set, the first successful write freezes the location.
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* multiple bits set; the first successful write freezes the location.
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*/
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info_ptr->text[i].location = where;
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}
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