[devel] Imported from libpng-1.4.0beta67.tar
diff --git a/ANNOUNCE b/ANNOUNCE
index 8f3d6ef..5d78557 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
-Libpng 1.4.0beta67 - June 29, 2009
+Libpng 1.4.0beta67 - July 6, 2009
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.
@@ -494,9 +494,10 @@
version 1.4.0beta66 [June 27, 2009]
Refer to the libpng license instead of the libpng license in each file.
-version 1.4.0beta67 [June 29, 2009]
+version 1.4.0beta67 [July 6, 2009]
Relocated INVERT_ALPHA within png_read_png() and png_write_png().
Added high-level API transform PNG_TRANSFORM_GRAY_TO_RGB.
+ Added an "xcode" project to the projects directory (Alam Arias).
version 1.4.0betaN [future]
Build shared libraries with -lz and sometimes -lm.
diff --git a/CHANGES b/CHANGES
index 056675f..b181240 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2171,9 +2171,10 @@
version 1.4.0beta66 [June 27, 2009]
Refer to the libpng license instead of the libpng license in each file.
-version 1.4.0beta67 [June 29, 2009]
+version 1.4.0beta67 [July 6, 2009]
Relocated INVERT_ALPHA within png_read_png() and png_write_png().
Added high-level API transform PNG_TRANSFORM_GRAY_TO_RGB.
+ Added an "xcode" project to the projects directory (Alam Arias).
version 1.4.0betaN [future]
Build shared libraries with -lz and sometimes -lm.
diff --git a/INSTALL b/INSTALL
index 480b487..684578f 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
-Installing libpng version 1.4.0beta67 - June 29, 2009
+Installing libpng version 1.4.0beta67 - July 6, 2009
On Unix/Linux and similar systems, you can simply type
diff --git a/LICENSE b/LICENSE
index 6297d4f..0ed0201 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@
This code is released under the libpng license.
-libpng versions 1.2.6, August 15, 2004, through 1.4.0beta67, June 29, 2009, are
+libpng versions 1.2.6, August 15, 2004, through 1.4.0beta67, July 6, 2009, 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
@@ -108,4 +108,4 @@
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-June 29, 2009
+July 6, 2009
diff --git a/README b/README
index 1301db5..487b46b 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.4.0beta67 - June 29, 2009 (shared library 14.0)
+README for libpng version 1.4.0beta67 - July 6, 2009 (shared library 14.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
diff --git a/TODO b/TODO
index f43ef22..7fe1ddf 100644
--- a/TODO
+++ b/TODO
@@ -19,8 +19,13 @@
Histogram creation.
Text conversion between different code pages (Latin-1 -> Mac and DOS).
Build gamma tables using fixed point (and do away with floating point entirely).
+Avoid building gamma tables whenever possible.
Use greater precision when changing to linear gamma for compositing against
background and doing rgb-to-gray transformation.
Investigate pre-incremented loop counters and other loop constructions.
Add interpolated method of handling interlacing.
+Provide for conditional compilation of 16-bit support (except for the
+ initial stripping down to 8-bits when reading a 16-bit PNG datastream).
+Switch to the simpler zlib (zlib/libpng) license if legally possible.
+
*/
diff --git a/example.c b/example.c
index 7e144ef..df4332b 100644
--- a/example.c
+++ b/example.c
@@ -2,7 +2,7 @@
#if 0 /* in case someone actually tries to compile this */
/* example.c - an example of using libpng
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* This file has been placed in the public domain by the authors.
* Maintained 1998-2009 Glenn Randers-Pehrson
* Maintained 1996, 1997 Andreas Dilger)
diff --git a/libpng-1.4.0beta67.txt b/libpng-1.4.0beta67.txt
index 6b2be1f..56b14fd 100644
--- a/libpng-1.4.0beta67.txt
+++ b/libpng-1.4.0beta67.txt
@@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
- libpng version 1.4.0beta67 - June 29, 2009
+ libpng version 1.4.0beta67 - July 6, 2009
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
Based on:
- libpng versions 0.97, January 1998, through 1.4.0beta67 - June 29, 2009
+ libpng versions 0.97, January 1998, through 1.4.0beta67 - July 6, 2009
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -2966,6 +2966,8 @@
The PNG_1_0_X and PNG_1_2_X macros were eliminated.
+The PNG_LEGACY_SUPPORTED macro was eliminated.
+
Many WIN32_WCE #ifdefs were removed.
PNG_MAX_UINT was replaced with PNG_UINT_31_MAX. It has been
@@ -3033,6 +3035,12 @@
We added PNG_TRANSFORM_GRAY_TO_RGB to the available high-level
input transforms.
+The call to png_do_chop() in pngrtran.c, which reduces 16-bit input
+files to 8-bit bit depth, was relocated ahead of the building
+of gamma tables. This allows us to build 8-bit tables instead
+of 16-bit tables, when only 8-bit tables are needed. This avoids
+wasting some computing resources when the application has called
+the png_set_strip_16() function and encounters a 16-bit PNG file.
X. Detecting libpng
@@ -3154,7 +3162,7 @@
XIII. Y2K Compliance in libpng
-June 29, 2009
+July 6, 2009
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 89575d2..e929582 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "June 29, 2009"
+.TH LIBPNG 3 "July 6, 2009"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta67
.SH SYNOPSIS
@@ -809,7 +809,7 @@
.SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng
- libpng version 1.4.0beta67 - June 29, 2009
+ libpng version 1.4.0beta67 - July 6, 2009
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -820,7 +820,7 @@
Based on:
- libpng versions 0.97, January 1998, through 1.4.0beta67 - June 29, 2009
+ libpng versions 0.97, January 1998, through 1.4.0beta67 - July 6, 2009
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -3775,6 +3775,8 @@
The PNG_1_0_X and PNG_1_2_X macros were eliminated.
+The PNG_LEGACY_SUPPORTED macro was eliminated.
+
Many WIN32_WCE #ifdefs were removed.
PNG_MAX_UINT was replaced with PNG_UINT_31_MAX. It has been
@@ -3842,6 +3844,12 @@
We added PNG_TRANSFORM_GRAY_TO_RGB to the available high-level
input transforms.
+The call to png_do_chop() in pngrtran.c, which reduces 16-bit input
+files to 8-bit bit depth, was relocated ahead of the building
+of gamma tables. This allows us to build 8-bit tables instead
+of 16-bit tables, when only 8-bit tables are needed. This avoids
+wasting some computing resources when the application has called
+the png_set_strip_16() function and encounters a 16-bit PNG file.
.SH X. Detecting libpng
@@ -3963,7 +3971,7 @@
.SH XIII. Y2K Compliance in libpng
-June 29, 2009
+July 6, 2009
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
@@ -4193,7 +4201,7 @@
Thanks to Frank J. T. Wojcik for helping with the documentation.
-Libpng version 1.4.0beta67 - June 29, 2009:
+Libpng version 1.4.0beta67 - July 6, 2009:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@@ -4216,7 +4224,7 @@
This code is released under the libpng license.
-libpng versions 1.2.6, August 15, 2004, through 1.4.0beta67, June 29, 2009, are
+libpng versions 1.2.6, August 15, 2004, through 1.4.0beta67, July 6, 2009, 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
@@ -4315,7 +4323,7 @@
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-June 29, 2009
+July 6, 2009
.\" end of man page
diff --git a/libpngpf.3 b/libpngpf.3
index f6845c5..033b7d3 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "June 29, 2009"
+.TH LIBPNGPF 3 "July 6, 2009"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta67
(private functions)
diff --git a/png.5 b/png.5
index 029514a..6aad2cf 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "June 29, 2009"
+.TH PNG 5 "July 6, 2009"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
diff --git a/png.c b/png.c
index 756f658..8fb27b8 100644
--- a/png.c
+++ b/png.c
@@ -1,7 +1,7 @@
/* png.c - location for general purpose libpng functions
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
@@ -652,13 +652,13 @@
#else
#ifdef __STDC__
return ((png_charp) PNG_STRING_NEWLINE \
- "libpng version x 1.4.0beta67 - June 29, 2009" PNG_STRING_NEWLINE \
+ "libpng version x 1.4.0beta67 - July 6, 2009" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2009 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 ((png_charp) "libpng version 1.4.0beta67 - June 29, 2009\
+ return ((png_charp) "libpng version 1.4.0beta67 - July 6, 2009\
Copyright (c) 1998-2009 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 2987402..74ab56c 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
- * libpng version 1.4.0beta67 - June 29, 2009
+ * libpng version 1.4.0beta67 - July 6, 2009
* Copyright (c) 1998-2009 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 1.4.0beta67 - June 29, 2009: Glenn
+ * libpng versions 0.97, January 1998, through 1.4.0beta67 - July 6, 2009: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -161,7 +161,7 @@
*
* This code is released under the libpng license.
*
- * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta67, June 29, 2009, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta67, July 6, 2009, 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:
@@ -337,7 +337,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.4.0beta67"
#define PNG_HEADER_VERSION_STRING \
- " libpng version 1.4.0beta67 - June 29, 2009\n"
+ " libpng version 1.4.0beta67 - July 6, 2009\n"
#define PNG_LIBPNG_VER_SONUM 14
#define PNG_LIBPNG_VER_DLLNUM 14
diff --git a/pngconf.h b/pngconf.h
index 493b415..453dbc8 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
- * libpng version 1.4.0beta67 - June 29, 2009
+ * libpng version 1.4.0beta67 - July 6, 2009
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngerror.c b/pngerror.c
index e216084..c8c6fe4 100644
--- a/pngerror.c
+++ b/pngerror.c
@@ -1,7 +1,7 @@
/* pngerror.c - stub functions for i/o and memory allocation
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngget.c b/pngget.c
index 8cf1c5f..ca9ecd6 100644
--- a/pngget.c
+++ b/pngget.c
@@ -1,7 +1,7 @@
/* pngget.c - retrieval of values from info struct
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngmem.c b/pngmem.c
index 97b8c41..b44aec2 100644
--- a/pngmem.c
+++ b/pngmem.c
@@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngpread.c b/pngpread.c
index 1a38007..78e530d 100644
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,7 +1,7 @@
/* pngpread.c - read a png file in push mode
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngpriv.h b/pngpriv.h
index 893f879..bde1935 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -1,7 +1,7 @@
/* pngpriv.h - private declarations for use inside libpng
*
- * libpng version 1.4.0beta67 - June 29, 2009
+ * libpng version 1.4.0beta67 - July 6, 2009
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngread.c b/pngread.c
index 3120b44..98baac2 100644
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngrio.c b/pngrio.c
index ff012d0..c3c24f6 100644
--- a/pngrio.c
+++ b/pngrio.c
@@ -1,7 +1,7 @@
/* pngrio.c - functions for data input
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngrtran.c b/pngrtran.c
index 8a7c2f7..fa81922 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
@@ -3952,6 +3952,35 @@
* tables, we don't make a full table if we are reducing to 8-bit in
* the future. Note also how the gamma_16 tables are segmented so that
* we don't need to allocate > 64K chunks for a full 16-bit table.
+ *
+ * See the PNG extensions document for an integer algorithm for creating
+ * the gamma tables. Maybe we will implement that here someday.
+ *
+ * We should only reach this point if
+ *
+ * the file_gamma is known (i.e., the gAMA or sRGB chunk is present,
+ * or the application has provided a file_gamma)
+ *
+ * AND
+ * {
+ * the screen_gamma is known
+ *
+ * OR
+ *
+ * RGB_to_gray transformation is being performed
+ * }
+ *
+ * AND
+ * {
+ * the screen_gamma is different from the reciprocal of the
+ * file_gamma by more than the specified threshold
+ *
+ * OR
+ *
+ * a background color has been specified and the file_gamma
+ * and screen_gamma are not 1.0, within the specified threshold.
+ * }
+ *
*/
void /* PRIVATE */
png_build_gamma_table(png_structp png_ptr)
diff --git a/pngrutil.c b/pngrutil.c
index b09ee1c..9e071c6 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngset.c b/pngset.c
index c836245..fe1394d 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngtest.c b/pngtest.c
index 2bdef73..a983d28 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngtrans.c b/pngtrans.c
index 4e9f224..9adfb3b 100644
--- a/pngtrans.c
+++ b/pngtrans.c
@@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngwio.c b/pngwio.c
index 03c2d35..e29c271 100644
--- a/pngwio.c
+++ b/pngwio.c
@@ -1,7 +1,7 @@
/* pngwio.c - functions for data output
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngwrite.c b/pngwrite.c
index 526c505..a27f637 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,7 +1,7 @@
/* pngwrite.c - general routines to write a PNG file
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngwtran.c b/pngwtran.c
index 4300316..58c1679 100644
--- a/pngwtran.c
+++ b/pngwtran.c
@@ -1,7 +1,7 @@
/* pngwtran.c - transforms the data in a row for PNG writers
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
diff --git a/pngwutil.c b/pngwutil.c
index ce02c2b..c1c2d60 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
- * Last changed in libpng 1.4.0 [June 29, 2009]
+ * Last changed in libpng 1.4.0 [July 6, 2009]
* Copyright (c) 1998-2009 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.)
