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[libpng16] Minor update to documentation and CHANGES/ANNOUNCE files.

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Glenn Randers-Pehrson 2014-05-09 21:06:27 -05:00
parent e95ce2c517
commit d1c5f48c05
5 changed files with 34 additions and 21 deletions
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13
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.6.11beta06 - May 7, 2014 Libpng 1.6.11beta06 - May 10, 2014
This is not intended to be a public release. It will be replaced This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version. within a few weeks by a public version or by another test version.
@ -49,10 +49,11 @@ Version 1.6.11beta03 [April 6, 2014]
Version 1.6.11beta04 [April 19, 2014] Version 1.6.11beta04 [April 19, 2014]
Made progressive reading of interlaced images consistent with the Made progressive reading of interlaced images consistent with the
behavior of the sequential reader and consistent with the manual, behavior of the sequential reader and consistent with the manual, by
by moving some code out of the PNG_READ_INTERLACING_SUPPORTED blocks. moving some code out of the PNG_READ_INTERLACING_SUPPORTED blocks. The
The row_callback now receives the proper pass number and unexpanded rows, row_callback now receives the proper pass number and unexpanded rows, when
when png_combine_row is not used or not built, png_combine_row() isn't built or used, and png_set_interlace_handling()
is not called.
Allow PNG_sRGB_PROFILE_CHECKING = (-1) to mean no sRGB profile checking. Allow PNG_sRGB_PROFILE_CHECKING = (-1) to mean no sRGB profile checking.
Version 1.6.11beta05 [April 26, 2014] Version 1.6.11beta05 [April 26, 2014]
@ -61,7 +62,7 @@ Version 1.6.11beta05 [April 26, 2014]
"Not recognizing known sRGB profile that has been edited" warning for "Not recognizing known sRGB profile that has been edited" warning for
ICC V2 profiles that lack the MD5 signature in the profile header. ICC V2 profiles that lack the MD5 signature in the profile header.
Version 1.6.11beta06 [May 7, 2014] Version 1.6.11beta06 [May 10, 2014]
Added PNG_SKIP_sRGB_CHECK_PROFILE choice for png_set_option(). Added PNG_SKIP_sRGB_CHECK_PROFILE choice for png_set_option().
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net

11
CHANGES
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@ -4900,10 +4900,11 @@ Version 1.6.11beta03 [April 6, 2014]
Version 1.6.11beta04 [April 19, 2014] Version 1.6.11beta04 [April 19, 2014]
Made progressive reading of interlaced images consistent with the Made progressive reading of interlaced images consistent with the
behavior of the sequential reader and consistent with the manual, behavior of the sequential reader and consistent with the manual, by
by moving some code out of the PNG_READ_INTERLACING_SUPPORTED blocks. moving some code out of the PNG_READ_INTERLACING_SUPPORTED blocks. The
The row_callback now receives the proper pass number and unexpanded rows, row_callback now receives the proper pass number and unexpanded rows, when
when png_combine_row is not used or not built, png_combine_row() isn't built or used, and png_set_interlace_handling()
is not called.
Allow PNG_sRGB_PROFILE_CHECKING = (-1) to mean no sRGB profile checking. Allow PNG_sRGB_PROFILE_CHECKING = (-1) to mean no sRGB profile checking.
Version 1.6.11beta05 [April 26, 2014] Version 1.6.11beta05 [April 26, 2014]
@ -4912,7 +4913,7 @@ Version 1.6.11beta05 [April 26, 2014]
"Not recognizing known sRGB profile that has been edited" warning for "Not recognizing known sRGB profile that has been edited" warning for
ICC V2 profiles that lack the MD5 signature in the profile header. ICC V2 profiles that lack the MD5 signature in the profile header.
Version 1.6.11beta06 [May 7, 2014] Version 1.6.11beta06 [May 10, 2014]
Added PNG_SKIP_sRGB_CHECK_PROFILE choice for png_set_option(). Added PNG_SKIP_sRGB_CHECK_PROFILE choice for png_set_option().
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net

10
libpng-manual.txt
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@ -1,6 +1,6 @@
libpng-manual.txt - A description on how to use and modify libpng libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.11beta06 - May 7, 2014 libpng version 1.6.11beta06 - May 10, 2014
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net> <glennrp at users.sourceforge.net>
Copyright (c) 1998-2014 Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.6.11beta06 - May 7, 2014 libpng versions 0.97, January 1998, through 1.6.11beta06 - May 10, 2014
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2014 Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -5045,6 +5045,10 @@ means of
png_set_option(ping, PNG_SKIP_sRGB_CHECK_PROFILE, png_set_option(ping, PNG_SKIP_sRGB_CHECK_PROFILE,
PNG_OPTION_ON); PNG_OPTION_ON);
It's not a good idea to do this if you are using the "simplified API",
which needs to be able to recognize an sRGB profile conveyed via the iCCP
chunk.
The PNG spec requirement that only grayscale profiles may appear in images The PNG spec requirement that only grayscale profiles may appear in images
with color type 0 or 4 and that even if the image only contains gray pixels, with color type 0 or 4 and that even if the image only contains gray pixels,
only RGB profiles may appear in images with color type 2, 3, or 6, is now only RGB profiles may appear in images with color type 2, 3, or 6, is now
@ -5269,7 +5273,7 @@ Other rules can be inferred by inspecting the libpng source.
XVI. Y2K Compliance in libpng XVI. Y2K Compliance in libpng
May 7, 2014 May 10, 2014
Since the PNG Development group is an ad-hoc body, we can't make Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.

18
libpng.3
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@ -1,4 +1,4 @@
.TH LIBPNG 3 "May 7, 2014" .TH LIBPNG 3 "May 10, 2014"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.11beta06 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.11beta06
.SH SYNOPSIS .SH SYNOPSIS
@ -504,7 +504,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
.SH LIBPNG.TXT .SH LIBPNG.TXT
libpng-manual.txt - A description on how to use and modify libpng libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.11beta06 - May 7, 2014 libpng version 1.6.11beta06 - May 10, 2014
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net> <glennrp at users.sourceforge.net>
Copyright (c) 1998-2014 Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -515,7 +515,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.6.11beta06 - May 7, 2014 libpng versions 0.97, January 1998, through 1.6.11beta06 - May 10, 2014
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2014 Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -5549,6 +5549,10 @@ means of
png_set_option(ping, PNG_SKIP_sRGB_CHECK_PROFILE, png_set_option(ping, PNG_SKIP_sRGB_CHECK_PROFILE,
PNG_OPTION_ON); PNG_OPTION_ON);
It's not a good idea to do this if you are using the "simplified API",
which needs to be able to recognize an sRGB profile conveyed via the iCCP
chunk.
The PNG spec requirement that only grayscale profiles may appear in images The PNG spec requirement that only grayscale profiles may appear in images
with color type 0 or 4 and that even if the image only contains gray pixels, with color type 0 or 4 and that even if the image only contains gray pixels,
only RGB profiles may appear in images with color type 2, 3, or 6, is now only RGB profiles may appear in images with color type 2, 3, or 6, is now
@ -5773,7 +5777,7 @@ Other rules can be inferred by inspecting the libpng source.
.SH XVI. Y2K Compliance in libpng .SH XVI. Y2K Compliance in libpng
May 7, 2014 May 10, 2014
Since the PNG Development group is an ad-hoc body, we can't make Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.
@ -6070,7 +6074,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation. Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.6.11beta06 - May 7, 2014: Libpng version 1.6.11beta06 - May 10, 2014:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -6093,7 +6097,7 @@ this sentence.
This code is released under the libpng license. This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.6.11beta06, May 7, 2014, are libpng versions 1.2.6, August 15, 2004, through 1.6.11beta06, May 10, 2014, are
Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5 distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors with the following individual added to the list of Contributing Authors
@ -6192,7 +6196,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
May 7, 2014 May 10, 2014
.\" end of man page .\" end of man page

3
pngtrans.c
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@ -328,6 +328,9 @@ png_do_swap(png_row_infop row_info, png_bytep row)
for (i = 0; i < istop; i++, rp += 2) for (i = 0; i < istop; i++, rp += 2)
{ {
#ifdef PNG_BUILTIN_BSWAP16_SUPPORTED #ifdef PNG_BUILTIN_BSWAP16_SUPPORTED
/* Feature added to libpng-1.6.11 for testing purposes, not
* enabled by default.
*/
*(png_uint_16*)rp = __builtin_bswap16(*(png_uint_16*)rp); *(png_uint_16*)rp = __builtin_bswap16(*(png_uint_16*)rp);
#else #else
png_byte t = *rp; png_byte t = *rp;