Merge tag 'v1.6.45' into libpng18

Sync with libpng version 1.6.45

CHANGES

@@ -6218,6 +6218,17 @@ Version 1.6.44 [September 12, 2024]
     (Contributed by Ben Wagner)
   Fixed and improved the config files for AppVeyor CI and Travis CI.
 
+Version 1.6.45 [January 7, 2025]
+  Added support for the cICP chunk.
+    (Contributed by Lucas Chollet and John Bowler)
+  Adjusted and improved various checks in colorspace calculations.
+    (Contributed by John Bowler)
+  Rearranged the write order of colorspace chunks for better conformance
+    with the PNG v3 draft specification.
+    (Contributed by John Bowler)
+  Raised the minimum required CMake version from 3.6 to 3.14.
+  Forked off a development branch for libpng version 1.8.
+
 Version 1.8.0 [TODO]
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net.

manuals/libpng-manual.txt

@@ -1,6 +1,6 @@
 libpng-manual.txt - A description on how to use and modify libpng
 
- Copyright (c) 2018-2024 Cosmin Truta
+ Copyright (c) 2018-2025 Cosmin Truta
  Copyright (c) 1998-2018 Glenn Randers-Pehrson
 
  This document is released under the libpng license.
@@ -9,9 +9,9 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng version 1.6.36, December 2018, through 1.6.44 - September 2024
+ libpng version 1.6.36, December 2018, through 1.6.45 - January 2025
  Updated and distributed by Cosmin Truta
- Copyright (c) 2018-2024 Cosmin Truta
+ Copyright (c) 2018-2025 Cosmin Truta
 
  libpng versions 0.97, January 1998, through 1.6.35 - July 2018
  Updated and distributed by Glenn Randers-Pehrson

manuals/libpng.3

@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "September 12, 2024"
+.TH LIBPNG 3 "January 7, 2025"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.6.44
+libpng \- Portable Network Graphics (PNG) Reference Library 1.6.45
 
 .SH SYNOPSIS
 \fB#include <png.h>\fP
@@ -509,7 +509,7 @@ 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
 
- Copyright (c) 2018-2024 Cosmin Truta
+ Copyright (c) 2018-2025 Cosmin Truta
  Copyright (c) 1998-2018 Glenn Randers-Pehrson
 
  This document is released under the libpng license.
@@ -518,9 +518,9 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng version 1.6.36, December 2018, through 1.6.44 - September 2024
+ libpng version 1.6.36, December 2018, through 1.6.45 - January 2025
  Updated and distributed by Cosmin Truta
- Copyright (c) 2018-2024 Cosmin Truta
+ Copyright (c) 2018-2025 Cosmin Truta
 
  libpng versions 0.97, January 1998, through 1.6.35 - July 2018
  Updated and distributed by Glenn Randers-Pehrson

manuals/png.5

@@ -1,4 +1,4 @@
-.TH PNG 5 "September 12, 2024"
+.TH PNG 5 "January 7, 2025"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 
@@ -20,6 +20,11 @@ matching on heterogeneous platforms.
 .SH "SEE ALSO"
 .BR "libpng"(3), " zlib"(3), " deflate"(5), " " and " zlib"(5)
 .LP
+PNG Specification (Third Edition) Candidate Recommendation Draft, July 2024:
+.IP
+.br
+https://www.w3.org/TR/2024/CRD-png-3-20240718/
+.LP
 PNG Specification (Second Edition), November 2003:
 .IP
 .br

png.h

@@ -14,7 +14,7 @@
  *   libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
  *   libpng versions 0.97, January 1998, through 1.6.35, July 2018:
  *     Glenn Randers-Pehrson
- *   libpng versions 1.6.36, December 2018, through 1.6.44, September 2024:
+ *   libpng versions 1.6.36, December 2018, through 1.6.45, January 2025:
  *     Cosmin Truta
  *   See also "Contributing Authors", below.
  */
@@ -238,7 +238,7 @@
  *    ...
  *    1.5.30                  15    10530  15.so.15.30[.0]
  *    ...
- *    1.6.44                  16    10644  16.so.16.44[.0]
+ *    1.6.45                  16    10645  16.so.16.45[.0]
  *
  *    Henceforth the source version will match the shared-library major and
  *    minor numbers; the shared-library major version number will be used for

pngconf.h

@@ -2,7 +2,7 @@
  *
  * libpng version 1.8.0.git
  *
- * Copyright (c) 2018-2024 Cosmin Truta
+ * Copyright (c) 2018-2025 Cosmin Truta
  * Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson
  * Copyright (c) 1996-1997 Andreas Dilger
  * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.