[devel] Removed unused "6" and "8" from the key to the transformation matrix

This commit is contained in:
Glenn Randers-Pehrson 2011-03-30 17:18:32 -05:00
parent 47dc5f7b54
commit 0d00d83ef0
2 changed files with 13 additions and 17 deletions

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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 1.5.2rc03 - March 25, 2011 libpng version 1.5.2rc04 - March 30, 2011
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) 1998-2011 Glenn Randers-Pehrson Copyright (c) 1998-2011 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 1.5.2rc03 - March 25, 2011 libpng versions 0.97, January 1998, through 1.5.2rc04 - March 30, 2011
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2011 Glenn Randers-Pehrson Copyright (c) 1998-2011 Glenn Randers-Pehrson
@ -1263,8 +1263,6 @@ Within the matrix,
"T" means the transformation is obtained by png_set_tRNS_to_alpha(). "T" means the transformation is obtained by png_set_tRNS_to_alpha().
"B" means the transformation is obtained by png_set_background(), or "B" means the transformation is obtained by png_set_background(), or
png_strip_alpha(). png_strip_alpha().
"8" means the transformation is obtained by png_set_strip_16().
"6" means the transformation is obtained by png_set_expand_16().
When an entry has multiple transforms listed all are required to cause the When an entry has multiple transforms listed all are required to cause the
right overall transformation. When two transforms are separated by a comma right overall transformation. When two transforms are separated by a comma
@ -4161,13 +4159,13 @@ Other rules can be inferred by inspecting the libpng source.
XIV. Y2K Compliance in libpng XIV. Y2K Compliance in libpng
March 25, 2011 March 30, 2011
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.
This is your unofficial assurance that libpng from version 0.71 and This is your unofficial assurance that libpng from version 0.71 and
upward through 1.5.2rc03 are Y2K compliant. It is my belief that earlier upward through 1.5.2rc04 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that Libpng only has three year fields. One is a 2-byte unsigned integer that

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@ -1,6 +1,6 @@
.TH LIBPNG 3 "March 25, 2011" .TH LIBPNG 3 "March 30, 2011"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.2rc03 libpng \- Portable Network Graphics (PNG) Reference Library 1.5.2rc04
.SH SYNOPSIS .SH SYNOPSIS
\fI\fB \fI\fB
@ -923,7 +923,7 @@ 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 1.5.2rc03 - March 25, 2011 libpng version 1.5.2rc04 - March 30, 2011
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) 1998-2011 Glenn Randers-Pehrson Copyright (c) 1998-2011 Glenn Randers-Pehrson
@ -934,7 +934,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.5.2rc03 - March 25, 2011 libpng versions 0.97, January 1998, through 1.5.2rc04 - March 30, 2011
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2011 Glenn Randers-Pehrson Copyright (c) 1998-2011 Glenn Randers-Pehrson
@ -2186,8 +2186,6 @@ Within the matrix,
"T" means the transformation is obtained by png_set_tRNS_to_alpha(). "T" means the transformation is obtained by png_set_tRNS_to_alpha().
"B" means the transformation is obtained by png_set_background(), or "B" means the transformation is obtained by png_set_background(), or
png_strip_alpha(). png_strip_alpha().
"8" means the transformation is obtained by png_set_strip_16().
"6" means the transformation is obtained by png_set_expand_16().
When an entry has multiple transforms listed all are required to cause the When an entry has multiple transforms listed all are required to cause the
right overall transformation. When two transforms are separated by a comma right overall transformation. When two transforms are separated by a comma
@ -5084,13 +5082,13 @@ Other rules can be inferred by inspecting the libpng source.
.SH XIV. Y2K Compliance in libpng .SH XIV. Y2K Compliance in libpng
March 25, 2011 March 30, 2011
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.
This is your unofficial assurance that libpng from version 0.71 and This is your unofficial assurance that libpng from version 0.71 and
upward through 1.5.2rc03 are Y2K compliant. It is my belief that earlier upward through 1.5.2rc04 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that Libpng only has three year fields. One is a 2-byte unsigned integer that
@ -5334,7 +5332,7 @@ 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 1.5.2rc03 - March 25, 2011: Libpng version 1.5.2rc04 - March 30, 2011:
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).
@ -5357,7 +5355,7 @@ 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 1.5.2rc03, March 25, 2011, are libpng versions 1.2.6, August 15, 2004, through 1.5.2rc04, March 30, 2011, 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
@ -5456,7 +5454,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
March 25, 2011 March 30, 2011
.\" end of man page .\" end of man page