Imported from libpng-1.2.37beta02.tar

ANNOUNCE

 
-Libpng 1.2.37beta02 - May 18, 2009
+Libpng 1.2.37beta02 - May 19, 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.
@@ -51,11 +51,13 @@ version 1.2.37beta01 [May 14, 2009]
   Updated some of the makefiles in the scripts directory (merged with
     those in libpng-1.4.0beta57).
 
-version 1.2.37beta02 [May 18, 2009]
+version 1.2.37beta02 [May 19, 2009]
   Fixed typo in libpng documentation (FILTER_AVE should be FILTER_AVG)
   Relocated misplaced #endif in pngwrite.c, sCAL chunk handler.
   Conditionally compile png_read_finish_row() which is not used by
     progressive readers.
+  Added contrib/pngminim/preader to demonstrate building minimal progressive
+    decoder, based on contrib/gregbook with embedded libpng and zlib.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 

CHANGES

@@ -2376,11 +2376,13 @@ version 1.2.37beta01 [May 14, 2009]
   Updated some of the makefiles in the scripts directory (merged with
     those in libpng-1.4.0beta57).
 
-version 1.2.37beta02 [May 18, 2009]
+version 1.2.37beta02 [May 19, 2009]
   Fixed typo in libpng documentation (FILTER_AVE should be FILTER_AVG)
   Relocated misplaced #endif in pngwrite.c, sCAL chunk handler.
   Conditionally compile png_read_finish_row() which is not used by
     progressive readers.
+  Added contrib/pngminim/preader to demonstrate building minimal progressive
+    decoder, based on contrib/gregbook with embedded libpng and zlib.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

INSTALL

 
-Installing libpng version 1.2.37beta02 - May 15, 2009
+Installing libpng version 1.2.37beta02 - May 19, 2009
 
 On Unix/Linux and similar systems, you can simply type
 

LICENSE

@@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
 If you modify libpng you may insert additional notices immediately following
 this sentence.
 
-libpng versions 1.2.6, August 15, 2004, through 1.2.37beta02, May 15, 2009, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.37beta02, May 19, 2009, are
 Copyright (c) 2004, 2006-2009 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
@@ -106,4 +106,4 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-May 15, 2009
+May 19, 2009

README

-README for libpng version 1.2.37beta02 - May 15, 2009 (shared library 12.0)
+README for libpng version 1.2.37beta02 - May 19, 2009 (shared library 12.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.

Y2KINFO

    Y2K compliance in libpng:
    =========================
 
-      May 15, 2009
+      May 19, 2009
 
       Since the PNG Development group is an ad-hoc body, we can't make
       an official declaration.

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 1.2.37 [May 15, 2009]
+ * Last changed in libpng 1.2.37 [May 19, 2009]
  * This file has been placed in the public domain by the authors.
  * Maintained 1998-2009 Glenn Randers-Pehrson
  * Maintained 1996, 1997 Andreas Dilger)

libpng-1.2.37beta02.txt

 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.2.37beta02 - May 15, 2009
+ libpng version 1.2.37beta02 - May 19, 2009
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -9,7 +9,7 @@ libpng.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.2.37beta02 - May 15, 2009
+ libpng versions 0.97, January 1998, through 1.2.37beta02 - May 19, 2009
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -1723,7 +1723,7 @@ types.
        PNG_FILTER_NONE  | PNG_FILTER_VALUE_NONE |
        PNG_FILTER_SUB   | PNG_FILTER_VALUE_SUB  |
        PNG_FILTER_UP    | PNG_FILTER_VALUE_UP   |
-       PNG_FILTER_AVG   | PNG_FILTER_VALUE_AVG  |
+       PNG_FILTER_AVE   | PNG_FILTER_VALUE_AVE  |
        PNG_FILTER_PAETH | PNG_FILTER_VALUE_PAETH|
        PNG_ALL_FILTERS);
 
@@ -2687,7 +2687,7 @@ currently does not allocate the filter buffers until png_write_row()
 is called for the first time.)
 
     filters = PNG_FILTER_NONE | PNG_FILTER_SUB
-              PNG_FILTER_UP | PNG_FILTER_AVG |
+              PNG_FILTER_UP | PNG_FILTER_AVE |
               PNG_FILTER_PAETH | PNG_ALL_FILTERS;
 
     png_set_filter(png_ptr, PNG_FILTER_TYPE_BASE,
@@ -2947,7 +2947,7 @@ when the Intel assembler code was removed due to a licensing issue.
 IX.  (Omitted)
 X. Y2K Compliance in libpng
 
-May 15, 2009
+May 19, 2009
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.

libpng.3

-.TH LIBPNG 3 "May 15, 2009"
+.TH LIBPNG 3 "May 19, 2009"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.37beta02
 .SH SYNOPSIS
@@ -821,7 +821,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
 .SH LIBPNG.TXT
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.2.37beta02 - May 15, 2009
+ libpng version 1.2.37beta02 - May 19, 2009
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -830,7 +830,7 @@ libpng.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.2.37beta02 - May 15, 2009
+ libpng versions 0.97, January 1998, through 1.2.37beta02 - May 19, 2009
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -3768,7 +3768,7 @@ when the Intel assembler code was removed due to a licensing issue.
 .SH IX.  (Omitted)
 .SH X. Y2K Compliance in libpng
 
-May 15, 2009
+May 19, 2009
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
@@ -4096,7 +4096,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.2.37beta02 - May 15, 2009:
+Libpng version 1.2.37beta02 - May 19, 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).
 
@@ -4117,7 +4117,7 @@ included in the libpng distribution, the latter shall prevail.)
 If you modify libpng you may insert additional notices immediately following
 this sentence.
 
-libpng versions 1.2.6, August 15, 2004, through 1.2.37beta02, May 15, 2009, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.37beta02, May 19, 2009, are
 Copyright (c) 2004,2006-2008 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
@@ -4216,7 +4216,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-May 15, 2009
+May 19, 2009
 
 .\" end of man page
 

libpngpf.3

-.TH LIBPNGPF 3 "May 15, 2009"
+.TH LIBPNGPF 3 "May 19, 2009"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.37beta02
 (private functions)

png.5

-.TH PNG 5 "May 15, 2009"
+.TH PNG 5 "May 19, 2009"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION

png.c

@@ -694,7 +694,7 @@ png_charp PNGAPI
 png_get_copyright(png_structp png_ptr)
 {
    png_ptr = png_ptr;  /* silence compiler warning about unused png_ptr */
-   return ((png_charp) "\n libpng version 1.2.37beta02 - May 15, 2009\n\
+   return ((png_charp) "\n libpng version 1.2.37beta02 - May 19, 2009\n\
    Copyright (c) 1998-2008 Glenn Randers-Pehrson\n\
    Copyright (c) 1996-1997 Andreas Dilger\n\
    Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");

png.h

 /* png.h - header file for PNG reference library
  *
- * libpng version 1.2.37beta02 - May 18, 2009
+ * libpng version 1.2.37beta02 - May 19, 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.)
@@ -8,7 +8,7 @@
  * 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 1.2.37beta02 - May 18, 2009: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.37beta02 - May 19, 2009: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -256,7 +256,7 @@
  * If you modify libpng you may insert additional notices immediately following
  * this sentence.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.2.37beta02, May 18, 2009, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.37beta02, May 19, 2009, are
  * Copyright (c) 2004, 2006-2009 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:
@@ -368,7 +368,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    May 18, 2009
+ *    May 19, 2009
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -432,7 +432,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.2.37beta02"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.37beta02 - May 18, 2009\n"
+   " libpng version 1.2.37beta02 - May 19, 2009\n"
 
 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  13

pngconf.h

 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.2.37beta02 - May 15, 2009
+ * libpng version 1.2.37beta02 - May 19, 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)

pngpread.c

 
 /* pngpread.c - read a png file in push mode
  *
- * Last changed in libpng 1.2.37 [May 18, 2009]
+ * Last changed in libpng 1.2.37 [May 19, 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)

pngrutil.c

 
 /* pngrutil.c - utilities to read a PNG file
  *
- * Last changed in libpng 1.2.37 [May 18, 2009]
+ * Last changed in libpng 1.2.37 [May 19, 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)