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-rw-r--r--LICENSE4
-rw-r--r--README2
-rw-r--r--libpng-manual.txt8
-rw-r--r--libpng.324
-rw-r--r--libpngpf.32
-rw-r--r--png.52
-rw-r--r--png.c4
-rw-r--r--png.h10
-rw-r--r--projects/vstudio/readme.txt2
-rw-r--r--projects/vstudio/zlib.props2
-rw-r--r--scripts/README.txt2
11 files changed, 29 insertions, 33 deletions
diff --git a/LICENSE b/LICENSE
index 3bc056f3f..ad084b70d 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license.
-libpng versions 1.2.6, August 15, 2004, through 1.5.1beta09, January 23, 2011, are
+libpng versions 1.2.6, August 15, 2004, through 1.5.1beta09, January 24, 2011, are
Copyright (c) 2004, 2006-2011 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-January 23, 2011
+January 24, 2011
diff --git a/README b/README
index 6e3a9570f..ceeda1758 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.5.1beta09 - January 23, 2011 (shared library 15.0)
+README for libpng version 1.5.1beta09 - January 24, 2011 (shared library 15.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
diff --git a/libpng-manual.txt b/libpng-manual.txt
index 9624c9c53..61541ff36 100644
--- a/libpng-manual.txt
+++ b/libpng-manual.txt
@@ -1,6 +1,6 @@
libpng-manual.txt - A description on how to use and modify libpng
- libpng version 1.5.1beta09 - January 23, 2011
+ libpng version 1.5.1beta09 - January 24, 2011
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
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:
- libpng versions 0.97, January 1998, through 1.5.1beta09 - January 23, 2011
+ libpng versions 0.97, January 1998, through 1.5.1beta09 - January 24, 2011
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2011 Glenn Randers-Pehrson
@@ -1341,7 +1341,7 @@ Copyright (c) 1998-01-04 Charles Poynton <poynton at inforamp.net>
Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
-Libpng approximates this integers scaled by 32768:
+Libpng approximates this with integers scaled by 32768:
Y = (6968 * R + 23434 * G + 2366 * B)/32768
@@ -4073,7 +4073,7 @@ Other rules can be inferred by inspecting the libpng source.
XIV. Y2K Compliance in libpng
-January 23, 2011
+January 24, 2011
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
diff --git a/libpng.3 b/libpng.3
index aec08175c..01c8c830b 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "January 23, 2011"
+.TH LIBPNG 3 "January 24, 2011"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.1beta09
.SH SYNOPSIS
@@ -919,7 +919,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
.SH LIBPNG.TXT
libpng-manual.txt - A description on how to use and modify libpng
- libpng version 1.5.1beta09 - January 23, 2011
+ libpng version 1.5.1beta09 - January 24, 2011
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2011 Glenn Randers-Pehrson
@@ -930,7 +930,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
- libpng versions 0.97, January 1998, through 1.5.1beta09 - January 23, 2011
+ libpng versions 0.97, January 1998, through 1.5.1beta09 - January 24, 2011
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2011 Glenn Randers-Pehrson
@@ -2260,16 +2260,12 @@ Copyright (c) 1998-01-04 Charles Poynton <poynton at inforamp.net>
Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
-Libpng approximates this with
+Libpng approximates this with integers scaled by 32768:
- Y = 0.21268 * R + 0.7151 * G + 0.07217 * B
-
-which can be expressed with integers as
-
- Y = (6969 * R + 23434 * G + 2365 * B)/32768
+ Y = (6968 * R + 23434 * G + 2366 * B)/32768
The calculation is done in a linear colorspace, if the image gamma
-is known.
+can be determined.
If you have a grayscale and you are using png_set_expand_depth(),
png_set_expand(), or png_set_gray_to_rgb to change to truecolor or to
@@ -4996,7 +4992,7 @@ Other rules can be inferred by inspecting the libpng source.
.SH XIV. Y2K Compliance in libpng
-January 23, 2011
+January 24, 2011
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
@@ -5242,7 +5238,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
-Libpng version 1.5.1beta09 - January 23, 2011:
+Libpng version 1.5.1beta09 - January 24, 2011:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@@ -5265,7 +5261,7 @@ this sentence.
This code is released under the libpng license.
-libpng versions 1.2.6, August 15, 2004, through 1.5.1beta09, January 23, 2011, are
+libpng versions 1.2.6, August 15, 2004, through 1.5.1beta09, January 24, 2011, are
Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@@ -5364,7 +5360,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-January 23, 2011
+January 24, 2011
.\" end of man page
diff --git a/libpngpf.3 b/libpngpf.3
index 8bcfdae69..fe07c6bff 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "January 23, 2011"
+.TH LIBPNGPF 3 "January 24, 2011"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.1beta09
(private functions)
diff --git a/png.5 b/png.5
index 847d2d96f..ce7988b82 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "January 23, 2011"
+.TH PNG 5 "January 24, 2011"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
diff --git a/png.c b/png.c
index fffbfb4a0..b358c2bc1 100644
--- a/png.c
+++ b/png.c
@@ -555,13 +555,13 @@ png_get_copyright(png_const_structp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
- "libpng version 1.5.1beta09 - January 23, 2011" PNG_STRING_NEWLINE \
+ "libpng version 1.5.1beta09 - January 24, 2011" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2011 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 1.5.1beta09 - January 23, 2011\
+ return "libpng version 1.5.1beta09 - January 24, 2011\
Copyright (c) 1998-2011 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
diff --git a/png.h b/png.h
index a32d6ea7e..2d9d1eb18 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
- * libpng version 1.5.1beta09 - January 23, 2011
+ * libpng version 1.5.1beta09 - January 24, 2011
* Copyright (c) 1998-2011 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.)
@@ -11,7 +11,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- * libpng versions 0.97, January 1998, through 1.5.1beta09 - January 23, 2011: Glenn
+ * libpng versions 0.97, January 1998, through 1.5.1beta09 - January 24, 2011: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -176,7 +176,7 @@
*
* This code is released under the libpng license.
*
- * libpng versions 1.2.6, August 15, 2004, through 1.5.1beta09, January 23, 2011, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.5.1beta09, January 24, 2011, are
* Copyright (c) 2004, 2006-2011 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors:
@@ -288,7 +288,7 @@
* Y2K compliance in libpng:
* =========================
*
- * January 23, 2011
+ * January 24, 2011
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@@ -352,7 +352,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.5.1beta09"
#define PNG_HEADER_VERSION_STRING \
- " libpng version 1.5.1beta09 - January 23, 2011\n"
+ " libpng version 1.5.1beta09 - January 24, 2011\n"
#define PNG_LIBPNG_VER_SONUM 15
#define PNG_LIBPNG_VER_DLLNUM 15
diff --git a/projects/vstudio/readme.txt b/projects/vstudio/readme.txt
index b0f44722a..0be21d8aa 100644
--- a/projects/vstudio/readme.txt
+++ b/projects/vstudio/readme.txt
@@ -1,7 +1,7 @@
VisualStudio instructions
-libpng version 1.5.1beta09 - January 23, 2011
+libpng version 1.5.1beta09 - January 24, 2011
Copyright (c) 1998-2010 Glenn Randers-Pehrson
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index 83ce09bba..993eda4a2 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
<!--
* zlib.props - location of zlib source
*
- * libpng version 1.5.1beta09 - January 23, 2011
+ * libpng version 1.5.1beta09 - January 24, 2011
*
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
*
diff --git a/scripts/README.txt b/scripts/README.txt
index 89ed15478..5eb738b32 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
-Makefiles for libpng version 1.5.1beta09 - January 23, 2011
+Makefiles for libpng version 1.5.1beta09 - January 24, 2011
pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile
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