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	[master] Imported from libpng-1.5.10beta03.tar
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								ANNOUNCE
									
									
									
									
									
								
							
							
						
						
									
										32
									
								
								ANNOUNCE
									
									
									
									
									
								
							@ -1,5 +1,5 @@
 | 
			
		||||
 | 
			
		||||
Libpng 1.5.10beta01 - February 21, 2012
 | 
			
		||||
Libpng 1.5.10beta03 - March 5, 2012
 | 
			
		||||
 | 
			
		||||
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.
 | 
			
		||||
@ -9,24 +9,24 @@ Files available for download:
 | 
			
		||||
Source files with LF line endings (for Unix/Linux) and with a
 | 
			
		||||
"configure" script
 | 
			
		||||
 | 
			
		||||
   1.5.10beta01.tar.xz (LZMA-compressed, recommended)
 | 
			
		||||
   1.5.10beta01.tar.gz
 | 
			
		||||
   1.5.10beta01.tar.bz2
 | 
			
		||||
   1.5.10beta03.tar.xz (LZMA-compressed, recommended)
 | 
			
		||||
   1.5.10beta03.tar.gz
 | 
			
		||||
   1.5.10beta03.tar.bz2
 | 
			
		||||
 | 
			
		||||
Source files with CRLF line endings (for Windows), without the
 | 
			
		||||
"configure" script
 | 
			
		||||
 | 
			
		||||
   lp1510b01.7z  (LZMA-compressed, recommended)
 | 
			
		||||
   lp1510b01.zip
 | 
			
		||||
   lp1510b03.7z  (LZMA-compressed, recommended)
 | 
			
		||||
   lp1510b03.zip
 | 
			
		||||
 | 
			
		||||
Other information:
 | 
			
		||||
 | 
			
		||||
   1.5.10beta01-README.txt
 | 
			
		||||
   1.5.10beta01-LICENSE.txt
 | 
			
		||||
   1.5.10beta03-README.txt
 | 
			
		||||
   1.5.10beta03-LICENSE.txt
 | 
			
		||||
 | 
			
		||||
Changes since the last public release (1.5.9):
 | 
			
		||||
 | 
			
		||||
Version 1.5.10beta01 [February 21, 2012]
 | 
			
		||||
Version 1.5.10beta01 [February 24, 2012]
 | 
			
		||||
  Removed two useless #ifdef directives from pngread.c and one from pngrutil.c
 | 
			
		||||
  Always put the CMAKE_LIBRARY in "lib" (removed special WIN32 case).
 | 
			
		||||
  Removed empty vstudio/pngstest directory (Clifford Yapp).
 | 
			
		||||
@ -35,6 +35,20 @@ Version 1.5.10beta01 [February 21, 2012]
 | 
			
		||||
    now that png_ptr->buffer is inaccessible to applications, the special
 | 
			
		||||
    handling is no longer useful.
 | 
			
		||||
  Fixed bug with png_handle_hIST with odd chunk length (Frank Busse).
 | 
			
		||||
  Added PNG_SAFE_LIMITS feature to pnglibconf.dfa and code in pngconf.h
 | 
			
		||||
    to reset the user limits to safe ones if PNG_SAFE_LIMITS is defined.
 | 
			
		||||
    To enable, use "CPPFLAGS=-DPNG_SAFE_LIMITS_SUPPORTED" on the configure
 | 
			
		||||
    command or put "#define PNG_SAFE_LIMITS_SUPPORTED" in pnglibconf.h.
 | 
			
		||||
  Revised the SAFE_LIMITS feature to be the same as the feature in libpng16.
 | 
			
		||||
  Added information about the new limits in the manual.
 | 
			
		||||
 | 
			
		||||
Version 1.5.10beta02 [February 27, 2012]
 | 
			
		||||
  Updated Makefile.in
 | 
			
		||||
 | 
			
		||||
Version 1.5.10beta03 [March 5, 2012]
 | 
			
		||||
  Removed unused "current_text" members of png_struct and the png_free()
 | 
			
		||||
    of png_ptr->current_text from pngread.c
 | 
			
		||||
  Added palette-index checking.
 | 
			
		||||
 | 
			
		||||
Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
 | 
			
		||||
(subscription required; visit
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										23
									
								
								CHANGES
									
									
									
									
									
								
							
							
						
						
									
										23
									
								
								CHANGES
									
									
									
									
									
								
							@ -3803,14 +3803,15 @@ Version 1.5.9beta02 [February 16, 2012]
 | 
			
		||||
  Removed tests for no-longer-used *_EMPTY_PLTE_SUPPORTED from pngstruct.h
 | 
			
		||||
 | 
			
		||||
Version 1.5.9rc01 [February 17, 2012]
 | 
			
		||||
  Fixed CVE-2011-3026 buffer overrun bug.  Deal more correctly with the test
 | 
			
		||||
    on iCCP chunk length. Also removed spurious casts that may hide problems
 | 
			
		||||
    on 16-bit systems.
 | 
			
		||||
  Fixed CVE-2011-3026 buffer overrun bug.  This bug was introduced when
 | 
			
		||||
    iCCP chunk support was added at libpng-1.0.6. Deal more correctly with the
 | 
			
		||||
    test on iCCP chunk length. Also removed spurious casts that may hide
 | 
			
		||||
    problems on 16-bit systems.
 | 
			
		||||
 | 
			
		||||
Version 1.5.9 [February 18, 2012]
 | 
			
		||||
  No changes.
 | 
			
		||||
 | 
			
		||||
Version 1.5.10beta01 [February 21, 2012]
 | 
			
		||||
Version 1.5.10beta01 [February 24, 2012]
 | 
			
		||||
  Removed two useless #ifdef directives from pngread.c and one from pngrutil.c
 | 
			
		||||
  Always put the CMAKE_LIBRARY in "lib" (removed special WIN32 case).
 | 
			
		||||
  Removed empty vstudio/pngstest directory (Clifford Yapp).
 | 
			
		||||
@ -3819,6 +3820,20 @@ Version 1.5.10beta01 [February 21, 2012]
 | 
			
		||||
    now that png_ptr->buffer is inaccessible to applications, the special
 | 
			
		||||
    handling is no longer useful.
 | 
			
		||||
  Fixed bug with png_handle_hIST with odd chunk length (Frank Busse).
 | 
			
		||||
  Added PNG_SAFE_LIMITS feature to pnglibconf.dfa and code in pngconf.h
 | 
			
		||||
    to reset the user limits to safe ones if PNG_SAFE_LIMITS is defined.
 | 
			
		||||
    To enable, use "CPPFLAGS=-DPNG_SAFE_LIMITS_SUPPORTED" on the configure
 | 
			
		||||
    command or put "#define PNG_SAFE_LIMITS_SUPPORTED" in pnglibconf.h.
 | 
			
		||||
  Revised the SAFE_LIMITS feature to be the same as the feature in libpng16.
 | 
			
		||||
  Added information about the new limits in the manual.
 | 
			
		||||
 | 
			
		||||
Version 1.5.10beta02 [February 27, 2012]
 | 
			
		||||
  Updated Makefile.in
 | 
			
		||||
 | 
			
		||||
Version 1.5.10beta03 [March 5, 2012]
 | 
			
		||||
  Removed unused "current_text" members of png_struct and the png_free()
 | 
			
		||||
    of png_ptr->current_text from pngread.c
 | 
			
		||||
  Added palette-index checking.
 | 
			
		||||
 | 
			
		||||
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 | 
			
		||||
(subscription required; visit
 | 
			
		||||
 | 
			
		||||
@ -225,7 +225,7 @@ endif(NOT WIN32 OR CYGWIN OR MINGW)
 | 
			
		||||
# SET UP LINKS
 | 
			
		||||
if(PNG_SHARED)
 | 
			
		||||
  set_target_properties(${PNG_LIB_NAME} PROPERTIES
 | 
			
		||||
#   VERSION 15.${PNGLIB_RELEASE}.1.5.10beta01
 | 
			
		||||
#   VERSION 15.${PNGLIB_RELEASE}.1.5.10beta03
 | 
			
		||||
    VERSION 15.${PNGLIB_RELEASE}.0
 | 
			
		||||
    SOVERSION 15
 | 
			
		||||
    CLEAN_DIRECT_OUTPUT 1)
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										4
									
								
								LICENSE
									
									
									
									
									
								
							
							
						
						
									
										4
									
								
								LICENSE
									
									
									
									
									
								
							@ -10,7 +10,7 @@ this sentence.
 | 
			
		||||
 | 
			
		||||
This code is released under the libpng license.
 | 
			
		||||
 | 
			
		||||
libpng versions 1.2.6, August 15, 2004, through 1.5.10beta01, February 21, 2012, are
 | 
			
		||||
libpng versions 1.2.6, August 15, 2004, through 1.5.10beta03, March 5, 2012, 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
 | 
			
		||||
February 21, 2012
 | 
			
		||||
March 5, 2012
 | 
			
		||||
 | 
			
		||||
@ -38,7 +38,7 @@ lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
 | 
			
		||||
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
 | 
			
		||||
	pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
 | 
			
		||||
	pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
 | 
			
		||||
	png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h
 | 
			
		||||
	png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa
 | 
			
		||||
 | 
			
		||||
if PNG_ARM_NEON
 | 
			
		||||
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/filter_neon.S
 | 
			
		||||
@ -153,11 +153,11 @@ SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
 | 
			
		||||
	mv dfn3.out $@
 | 
			
		||||
 | 
			
		||||
# The .dfn file for pnglibconf.h is machine generated
 | 
			
		||||
pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
 | 
			
		||||
pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
 | 
			
		||||
	rm -f $@ dfn?.out
 | 
			
		||||
	$(AWK) -f ${srcdir}/scripts/options.awk out=dfn1.out version=search\
 | 
			
		||||
	    ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
 | 
			
		||||
	    $(DFA_XTRA) 1>&2
 | 
			
		||||
	    ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
 | 
			
		||||
	$(AWK) -f ${srcdir}/scripts/options.awk out=dfn2.out dfn1.out 1>&2
 | 
			
		||||
	rm dfn1.out
 | 
			
		||||
	mv dfn2.out $@
 | 
			
		||||
 | 
			
		||||
@ -102,7 +102,7 @@ am__libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES_DIST = png.c \
 | 
			
		||||
	pngerror.c pngget.c pngmem.c pngpread.c pngread.c pngrio.c \
 | 
			
		||||
	pngrtran.c pngrutil.c pngset.c pngtrans.c pngwio.c pngwrite.c \
 | 
			
		||||
	pngwtran.c pngwutil.c png.h pngconf.h pngdebug.h pnginfo.h \
 | 
			
		||||
	pngpriv.h pngstruct.h arm/filter_neon.S
 | 
			
		||||
	pngpriv.h pngstruct.h arm/filter_neon.S pngusr.dfa
 | 
			
		||||
@PNG_ARM_NEON_TRUE@am__objects_1 = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-filter_neon.lo
 | 
			
		||||
am_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS =  \
 | 
			
		||||
	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la-png.lo \
 | 
			
		||||
@ -356,7 +356,7 @@ libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c \
 | 
			
		||||
	pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c \
 | 
			
		||||
	pngrutil.c pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c \
 | 
			
		||||
	pngwutil.c png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h \
 | 
			
		||||
	pngstruct.h $(am__append_1)
 | 
			
		||||
	pngstruct.h pngusr.dfa $(am__append_1)
 | 
			
		||||
nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
 | 
			
		||||
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_CPPFLAGS = @LIBPNG_DEFINES@
 | 
			
		||||
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined \
 | 
			
		||||
@ -1373,11 +1373,11 @@ contrib/libtests/pngvalid.o pngtest.o: pnglibconf.h
 | 
			
		||||
	mv dfn3.out $@
 | 
			
		||||
 | 
			
		||||
# The .dfn file for pnglibconf.h is machine generated
 | 
			
		||||
pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
 | 
			
		||||
pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
 | 
			
		||||
	rm -f $@ dfn?.out
 | 
			
		||||
	$(AWK) -f ${srcdir}/scripts/options.awk out=dfn1.out version=search\
 | 
			
		||||
	    ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
 | 
			
		||||
	    $(DFA_XTRA) 1>&2
 | 
			
		||||
	    ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
 | 
			
		||||
	$(AWK) -f ${srcdir}/scripts/options.awk out=dfn2.out dfn1.out 1>&2
 | 
			
		||||
	rm dfn1.out
 | 
			
		||||
	mv dfn2.out $@
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										2
									
								
								README
									
									
									
									
									
								
							
							
						
						
									
										2
									
								
								README
									
									
									
									
									
								
							@ -1,4 +1,4 @@
 | 
			
		||||
README for libpng version 1.5.10beta01 - February 21, 2012 (shared library 15.0)
 | 
			
		||||
README for libpng version 1.5.10beta03 - March 5, 2012 (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.
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										22
									
								
								configure
									
									
									
									
										vendored
									
									
								
							
							
						
						
									
										22
									
								
								configure
									
									
									
									
										vendored
									
									
								
							@ -1,6 +1,6 @@
 | 
			
		||||
#! /bin/sh
 | 
			
		||||
# Guess values for system-dependent variables and create Makefiles.
 | 
			
		||||
# Generated by GNU Autoconf 2.68 for libpng 1.5.10beta01.
 | 
			
		||||
# Generated by GNU Autoconf 2.68 for libpng 1.5.10beta03.
 | 
			
		||||
#
 | 
			
		||||
# Report bugs to <png-mng-implement@lists.sourceforge.net>.
 | 
			
		||||
#
 | 
			
		||||
@ -570,8 +570,8 @@ MAKEFLAGS=
 | 
			
		||||
# Identity of this package.
 | 
			
		||||
PACKAGE_NAME='libpng'
 | 
			
		||||
PACKAGE_TARNAME='libpng'
 | 
			
		||||
PACKAGE_VERSION='1.5.10beta01'
 | 
			
		||||
PACKAGE_STRING='libpng 1.5.10beta01'
 | 
			
		||||
PACKAGE_VERSION='1.5.10beta03'
 | 
			
		||||
PACKAGE_STRING='libpng 1.5.10beta03'
 | 
			
		||||
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
 | 
			
		||||
PACKAGE_URL=''
 | 
			
		||||
 | 
			
		||||
@ -1321,7 +1321,7 @@ if test "$ac_init_help" = "long"; then
 | 
			
		||||
  # Omit some internal or obsolete options to make the list less imposing.
 | 
			
		||||
  # This message is too long to be a string in the A/UX 3.1 sh.
 | 
			
		||||
  cat <<_ACEOF
 | 
			
		||||
\`configure' configures libpng 1.5.10beta01 to adapt to many kinds of systems.
 | 
			
		||||
\`configure' configures libpng 1.5.10beta03 to adapt to many kinds of systems.
 | 
			
		||||
 | 
			
		||||
Usage: $0 [OPTION]... [VAR=VALUE]...
 | 
			
		||||
 | 
			
		||||
@ -1391,7 +1391,7 @@ fi
 | 
			
		||||
 | 
			
		||||
if test -n "$ac_init_help"; then
 | 
			
		||||
  case $ac_init_help in
 | 
			
		||||
     short | recursive ) echo "Configuration of libpng 1.5.10beta01:";;
 | 
			
		||||
     short | recursive ) echo "Configuration of libpng 1.5.10beta03:";;
 | 
			
		||||
   esac
 | 
			
		||||
  cat <<\_ACEOF
 | 
			
		||||
 | 
			
		||||
@ -1502,7 +1502,7 @@ fi
 | 
			
		||||
test -n "$ac_init_help" && exit $ac_status
 | 
			
		||||
if $ac_init_version; then
 | 
			
		||||
  cat <<\_ACEOF
 | 
			
		||||
libpng configure 1.5.10beta01
 | 
			
		||||
libpng configure 1.5.10beta03
 | 
			
		||||
generated by GNU Autoconf 2.68
 | 
			
		||||
 | 
			
		||||
Copyright (C) 2010 Free Software Foundation, Inc.
 | 
			
		||||
@ -1925,7 +1925,7 @@ cat >config.log <<_ACEOF
 | 
			
		||||
This file contains any messages produced by compilers while
 | 
			
		||||
running configure, to aid debugging if configure makes a mistake.
 | 
			
		||||
 | 
			
		||||
It was created by libpng $as_me 1.5.10beta01, which was
 | 
			
		||||
It was created by libpng $as_me 1.5.10beta03, which was
 | 
			
		||||
generated by GNU Autoconf 2.68.  Invocation command line was
 | 
			
		||||
 | 
			
		||||
  $ $0 $@
 | 
			
		||||
@ -2740,7 +2740,7 @@ fi
 | 
			
		||||
 | 
			
		||||
# Define the identity of the package.
 | 
			
		||||
 PACKAGE='libpng'
 | 
			
		||||
 VERSION='1.5.10beta01'
 | 
			
		||||
 VERSION='1.5.10beta03'
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
cat >>confdefs.h <<_ACEOF
 | 
			
		||||
@ -2804,7 +2804,7 @@ fi
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
PNGLIB_VERSION=1.5.10beta01
 | 
			
		||||
PNGLIB_VERSION=1.5.10beta03
 | 
			
		||||
PNGLIB_MAJOR=1
 | 
			
		||||
PNGLIB_MINOR=5
 | 
			
		||||
PNGLIB_RELEASE=10
 | 
			
		||||
@ -13417,7 +13417,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 | 
			
		||||
# report actual input values of CONFIG_FILES etc. instead of their
 | 
			
		||||
# values after options handling.
 | 
			
		||||
ac_log="
 | 
			
		||||
This file was extended by libpng $as_me 1.5.10beta01, which was
 | 
			
		||||
This file was extended by libpng $as_me 1.5.10beta03, which was
 | 
			
		||||
generated by GNU Autoconf 2.68.  Invocation command line was
 | 
			
		||||
 | 
			
		||||
  CONFIG_FILES    = $CONFIG_FILES
 | 
			
		||||
@ -13483,7 +13483,7 @@ _ACEOF
 | 
			
		||||
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 | 
			
		||||
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 | 
			
		||||
ac_cs_version="\\
 | 
			
		||||
libpng config.status 1.5.10beta01
 | 
			
		||||
libpng config.status 1.5.10beta03
 | 
			
		||||
configured by $0, generated by GNU Autoconf 2.68,
 | 
			
		||||
  with options \\"\$ac_cs_config\\"
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
@ -18,12 +18,12 @@ AC_PREREQ(2.59)
 | 
			
		||||
 | 
			
		||||
dnl Version number stuff here:
 | 
			
		||||
 | 
			
		||||
AC_INIT([libpng], [1.5.10beta01], [png-mng-implement@lists.sourceforge.net])
 | 
			
		||||
AC_INIT([libpng], [1.5.10beta03], [png-mng-implement@lists.sourceforge.net])
 | 
			
		||||
AM_INIT_AUTOMAKE
 | 
			
		||||
dnl stop configure from automagically running automake
 | 
			
		||||
AM_MAINTAINER_MODE
 | 
			
		||||
 | 
			
		||||
PNGLIB_VERSION=1.5.10beta01
 | 
			
		||||
PNGLIB_VERSION=1.5.10beta03
 | 
			
		||||
PNGLIB_MAJOR=1
 | 
			
		||||
PNGLIB_MINOR=5
 | 
			
		||||
PNGLIB_RELEASE=10
 | 
			
		||||
 | 
			
		||||
@ -1,6 +1,6 @@
 | 
			
		||||
libpng-manual.txt - A description on how to use and modify libpng
 | 
			
		||||
 | 
			
		||||
 libpng version 1.5.10beta01 - February 21, 2012
 | 
			
		||||
 libpng version 1.5.10beta03 - March 5, 2012
 | 
			
		||||
 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 1.5.10beta01 - February 21, 2012
 | 
			
		||||
 libpng versions 0.97, January 1998, through 1.5.10beta03 - March 5, 2012
 | 
			
		||||
 Updated and distributed by Glenn Randers-Pehrson
 | 
			
		||||
 Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 | 
			
		||||
@ -4142,6 +4142,15 @@ X.  Changes to Libpng from version 1.4.x to 1.5.x
 | 
			
		||||
From libpng-1.4.0 until 1.4.4, the png_get_uint_16 macro (but not the
 | 
			
		||||
function) incorrectly returned a value of type png_uint_32.
 | 
			
		||||
 | 
			
		||||
Checking for invalid palette index on read or write was added at libpng
 | 
			
		||||
1.5.10.  This is enabled by default but can be disabled in each png_ptr with
 | 
			
		||||
 | 
			
		||||
   png_set_check_for_invalid_index(png_ptr, allowed);
 | 
			
		||||
 | 
			
		||||
      allowed  - one of
 | 
			
		||||
                 0: disable
 | 
			
		||||
                 1: enable
 | 
			
		||||
 | 
			
		||||
A. Changes that affect users of libpng
 | 
			
		||||
 | 
			
		||||
There are no substantial API changes between the non-deprecated parts of
 | 
			
		||||
@ -4260,6 +4269,20 @@ PNG_USER_WIDTH_MAX and PNG_USER_HEIGHT_MAX, although this document said
 | 
			
		||||
that it could be used to override them.  Now this function will reduce or
 | 
			
		||||
increase the limits.
 | 
			
		||||
 | 
			
		||||
Starting in libpng-1.5.10, the user limits can be set en masse with the
 | 
			
		||||
configuration option PNG_SAFE_LIMITS_SUPPORTED.  If this option is enabled,
 | 
			
		||||
a set of "safe" limits is applied in pngpriv.h.  These can be overridden by
 | 
			
		||||
application calls to png_set_user_limits(), png_set_user_chunk_cache_max(),
 | 
			
		||||
and/or png_set_user_malloc_max() that increase or decrease the limits.  Also,
 | 
			
		||||
in libpng-1.5.10 the default width and height limits were increased
 | 
			
		||||
from 1,000,000 to 0x7ffffff (i.e., made unlimited).  Therefore, the
 | 
			
		||||
limits are now
 | 
			
		||||
                               default      safe
 | 
			
		||||
   png_user_width_max        0x7fffffff    1,000,000
 | 
			
		||||
   png_user_height_max       0x7fffffff    1,000,000
 | 
			
		||||
   png_user_chunk_cache_max  0 (unlimited)   128
 | 
			
		||||
   png_user_chunk_malloc_max 0 (unlimited) 8,000,000
 | 
			
		||||
 | 
			
		||||
B. Changes to the build and configuration of libpng
 | 
			
		||||
 | 
			
		||||
Details of internal changes to the library code can be found in the CHANGES
 | 
			
		||||
@ -4573,13 +4596,13 @@ Other rules can be inferred by inspecting the libpng source.
 | 
			
		||||
 | 
			
		||||
XIV. Y2K Compliance in libpng
 | 
			
		||||
 | 
			
		||||
February 21, 2012
 | 
			
		||||
March 5, 2012
 | 
			
		||||
 | 
			
		||||
Since the PNG Development group is an ad-hoc body, we can't make
 | 
			
		||||
an official declaration.
 | 
			
		||||
 | 
			
		||||
This is your unofficial assurance that libpng from version 0.71 and
 | 
			
		||||
upward through 1.5.10beta01 are Y2K compliant.  It is my belief that earlier
 | 
			
		||||
upward through 1.5.10beta03 are Y2K compliant.  It is my belief that earlier
 | 
			
		||||
versions were also Y2K compliant.
 | 
			
		||||
 | 
			
		||||
Libpng only has three year fields.  One is a 2-byte unsigned integer that
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										47
									
								
								libpng.3
									
									
									
									
									
								
							
							
						
						
									
										47
									
								
								libpng.3
									
									
									
									
									
								
							@ -1,6 +1,6 @@
 | 
			
		||||
.TH LIBPNG 3 "February 21, 2012"
 | 
			
		||||
.TH LIBPNG 3 "March 5, 2012"
 | 
			
		||||
.SH NAME
 | 
			
		||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.10beta01
 | 
			
		||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.10beta03
 | 
			
		||||
.SH SYNOPSIS
 | 
			
		||||
\fI\fB
 | 
			
		||||
 | 
			
		||||
@ -552,6 +552,10 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.5.10beta01
 | 
			
		||||
 | 
			
		||||
\fI\fB
 | 
			
		||||
 | 
			
		||||
\fBvoid png_set_check_for_invalid_index(png_structrp \fP\fIpng_ptr\fP\fB, int \fIallowed\fP\fB);\fP
 | 
			
		||||
 | 
			
		||||
\fI\fB
 | 
			
		||||
 | 
			
		||||
\fBvoid png_set_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
 | 
			
		||||
 | 
			
		||||
\fI\fB
 | 
			
		||||
@ -977,7 +981,7 @@ 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 1.5.10beta01 - February 21, 2012
 | 
			
		||||
 libpng version 1.5.10beta03 - March 5, 2012
 | 
			
		||||
 Updated and distributed by Glenn Randers-Pehrson
 | 
			
		||||
 <glennrp at users.sourceforge.net>
 | 
			
		||||
 Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
@ -988,7 +992,7 @@ libpng-manual.txt - A description on how to use and modify libpng
 | 
			
		||||
 | 
			
		||||
 Based on:
 | 
			
		||||
 | 
			
		||||
 libpng versions 0.97, January 1998, through 1.5.10beta01 - February 21, 2012
 | 
			
		||||
 libpng versions 0.97, January 1998, through 1.5.10beta03 - March 5, 2012
 | 
			
		||||
 Updated and distributed by Glenn Randers-Pehrson
 | 
			
		||||
 Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 | 
			
		||||
@ -5120,6 +5124,15 @@ We removed the trailing '.' from the warning and error messages.
 | 
			
		||||
From libpng-1.4.0 until 1.4.4, the png_get_uint_16 macro (but not the
 | 
			
		||||
function) incorrectly returned a value of type png_uint_32.
 | 
			
		||||
 | 
			
		||||
Checking for invalid palette index on read or write was added at libpng
 | 
			
		||||
1.5.10.  This is enabled by default but can be disabled in each png_ptr with
 | 
			
		||||
 | 
			
		||||
   png_set_check_for_invalid_index(png_ptr, allowed);
 | 
			
		||||
 | 
			
		||||
      allowed  - one of
 | 
			
		||||
                 0: disable
 | 
			
		||||
                 1: enable
 | 
			
		||||
 | 
			
		||||
A. Changes that affect users of libpng
 | 
			
		||||
 | 
			
		||||
There are no substantial API changes between the non-deprecated parts of
 | 
			
		||||
@ -5238,6 +5251,20 @@ PNG_USER_WIDTH_MAX and PNG_USER_HEIGHT_MAX, although this document said
 | 
			
		||||
that it could be used to override them.  Now this function will reduce or
 | 
			
		||||
increase the limits.
 | 
			
		||||
 | 
			
		||||
Starting in libpng-1.5.10, the user limits can be set en masse with the
 | 
			
		||||
configuration option PNG_SAFE_LIMITS_SUPPORTED.  If this option is enabled,
 | 
			
		||||
a set of "safe" limits is applied in pngpriv.h.  These can be overridden by
 | 
			
		||||
application calls to png_set_user_limits(), png_set_user_chunk_cache_max(),
 | 
			
		||||
and/or png_set_user_malloc_max() that increase or decrease the limits.  Also,
 | 
			
		||||
in libpng-1.5.10 the default width and height limits were increased
 | 
			
		||||
from 1,000,000 to 0x7ffffff (i.e., made unlimited).  Therefore, the
 | 
			
		||||
limits are now
 | 
			
		||||
                               default      safe
 | 
			
		||||
   png_user_width_max        0x7fffffff    1,000,000
 | 
			
		||||
   png_user_height_max       0x7fffffff    1,000,000
 | 
			
		||||
   png_user_chunk_cache_max  0 (unlimited)   128
 | 
			
		||||
   png_user_chunk_malloc_max 0 (unlimited) 8,000,000
 | 
			
		||||
 | 
			
		||||
B. Changes to the build and configuration of libpng
 | 
			
		||||
 | 
			
		||||
Details of internal changes to the library code can be found in the CHANGES
 | 
			
		||||
@ -5551,13 +5578,13 @@ Other rules can be inferred by inspecting the libpng source.
 | 
			
		||||
 | 
			
		||||
.SH XIV. Y2K Compliance in libpng
 | 
			
		||||
 | 
			
		||||
February 21, 2012
 | 
			
		||||
March 5, 2012
 | 
			
		||||
 | 
			
		||||
Since the PNG Development group is an ad-hoc body, we can't make
 | 
			
		||||
an official declaration.
 | 
			
		||||
 | 
			
		||||
This is your unofficial assurance that libpng from version 0.71 and
 | 
			
		||||
upward through 1.5.10beta01 are Y2K compliant.  It is my belief that earlier
 | 
			
		||||
upward through 1.5.10beta03 are Y2K compliant.  It is my belief that earlier
 | 
			
		||||
versions were also Y2K compliant.
 | 
			
		||||
 | 
			
		||||
Libpng only has three year fields.  One is a 2-byte unsigned integer that
 | 
			
		||||
@ -5768,7 +5795,7 @@ the first widely used release:
 | 
			
		||||
 1.5.9beta01-02      15    10509  15.so.15.9[.0]
 | 
			
		||||
 1.5.9rc01           15    10509  15.so.15.9[.0]
 | 
			
		||||
 1.5.9               15    10509  15.so.15.9[.0]
 | 
			
		||||
 1.5.10beta01        15    10510  15.so.15.10[.0]
 | 
			
		||||
 1.5.10beta01-03     15    10510  15.so.15.10[.0]
 | 
			
		||||
 | 
			
		||||
Henceforth the source version will match the shared-library minor
 | 
			
		||||
and patch numbers; the shared-library major version number will be
 | 
			
		||||
@ -5825,7 +5852,7 @@ possible without all of you.
 | 
			
		||||
 | 
			
		||||
Thanks to Frank J. T. Wojcik for helping with the documentation.
 | 
			
		||||
 | 
			
		||||
Libpng version 1.5.10beta01 - February 21, 2012:
 | 
			
		||||
Libpng version 1.5.10beta03 - March 5, 2012:
 | 
			
		||||
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 | 
			
		||||
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 | 
			
		||||
 | 
			
		||||
@ -5848,7 +5875,7 @@ this sentence.
 | 
			
		||||
 | 
			
		||||
This code is released under the libpng license.
 | 
			
		||||
 | 
			
		||||
libpng versions 1.2.6, August 15, 2004, through 1.5.10beta01, February 21, 2012, are
 | 
			
		||||
libpng versions 1.2.6, August 15, 2004, through 1.5.10beta03, March 5, 2012, 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
 | 
			
		||||
@ -5947,7 +5974,7 @@ certification mark of the Open Source Initiative.
 | 
			
		||||
 | 
			
		||||
Glenn Randers-Pehrson
 | 
			
		||||
glennrp at users.sourceforge.net
 | 
			
		||||
February 21, 2012
 | 
			
		||||
March 5, 2012
 | 
			
		||||
 | 
			
		||||
.\" end of man page
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
@ -1,6 +1,6 @@
 | 
			
		||||
.TH LIBPNGPF 3 "February 21, 2012"
 | 
			
		||||
.TH LIBPNGPF 3 "March 5, 2012"
 | 
			
		||||
.SH NAME
 | 
			
		||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.10beta01
 | 
			
		||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.10beta03
 | 
			
		||||
(private functions)
 | 
			
		||||
.SH SYNOPSIS
 | 
			
		||||
\fB#include \fI"pngpriv.h"
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										2
									
								
								png.5
									
									
									
									
									
								
							
							
						
						
									
										2
									
								
								png.5
									
									
									
									
									
								
							@ -1,4 +1,4 @@
 | 
			
		||||
.TH PNG 5 "February 21, 2012"
 | 
			
		||||
.TH PNG 5 "March 5, 2012"
 | 
			
		||||
.SH NAME
 | 
			
		||||
png \- Portable Network Graphics (PNG) format
 | 
			
		||||
.SH DESCRIPTION
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										30
									
								
								png.c
									
									
									
									
									
								
							
							
						
						
									
										30
									
								
								png.c
									
									
									
									
									
								
							@ -1,8 +1,8 @@
 | 
			
		||||
 | 
			
		||||
/* png.c - location for general purpose libpng functions
 | 
			
		||||
 *
 | 
			
		||||
 * Last changed in libpng 1.5.7 [December 15, 2011]
 | 
			
		||||
 * Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 * Last changed in libpng 1.5.10 [(PENDING RELEASE)]
 | 
			
		||||
 * Copyright (c) 1998-2012 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.)
 | 
			
		||||
 *
 | 
			
		||||
@ -14,7 +14,7 @@
 | 
			
		||||
#include "pngpriv.h"
 | 
			
		||||
 | 
			
		||||
/* Generate a compiler error if there is an old png.h in the search path. */
 | 
			
		||||
typedef png_libpng_version_1_5_10beta01 Your_png_h_is_not_version_1_5_10beta01;
 | 
			
		||||
typedef png_libpng_version_1_5_10beta03 Your_png_h_is_not_version_1_5_10beta03;
 | 
			
		||||
 | 
			
		||||
/* Tells libpng that we have already handled the first "num_bytes" bytes
 | 
			
		||||
 * of the PNG file signature.  If the PNG data is embedded into another
 | 
			
		||||
@ -655,13 +655,13 @@ png_get_copyright(png_const_structp png_ptr)
 | 
			
		||||
#else
 | 
			
		||||
#  ifdef __STDC__
 | 
			
		||||
   return PNG_STRING_NEWLINE \
 | 
			
		||||
     "libpng version 1.5.10beta01 - February 21, 2012" PNG_STRING_NEWLINE \
 | 
			
		||||
     "libpng version 1.5.10beta03 - March 5, 2012" 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 1.5.10beta01 - February 21, 2012\
 | 
			
		||||
      return "libpng version 1.5.10beta03 - March 5, 2012\
 | 
			
		||||
      Copyright (c) 1998-2011 Glenn Randers-Pehrson\
 | 
			
		||||
      Copyright (c) 1996-1997 Andreas Dilger\
 | 
			
		||||
      Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
 | 
			
		||||
@ -1467,7 +1467,7 @@ static double
 | 
			
		||||
png_pow10(int power)
 | 
			
		||||
{
 | 
			
		||||
   int recip = 0;
 | 
			
		||||
   double d = 1;
 | 
			
		||||
   double d = 1.0;
 | 
			
		||||
 | 
			
		||||
   /* Handle negative exponent with a reciprocal at the end because
 | 
			
		||||
    * 10 is exact whereas .1 is inexact in base 2
 | 
			
		||||
@ -1481,7 +1481,7 @@ png_pow10(int power)
 | 
			
		||||
   if (power > 0)
 | 
			
		||||
   {
 | 
			
		||||
      /* Decompose power bitwise. */
 | 
			
		||||
      double mult = 10;
 | 
			
		||||
      double mult = 10.0;
 | 
			
		||||
      do
 | 
			
		||||
      {
 | 
			
		||||
         if (power & 1) d *= mult;
 | 
			
		||||
@ -1600,7 +1600,8 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
 | 
			
		||||
            {
 | 
			
		||||
               double d;
 | 
			
		||||
 | 
			
		||||
               fp *= 10;
 | 
			
		||||
               fp *= 10.0;
 | 
			
		||||
 | 
			
		||||
               /* Use modf here, not floor and subtract, so that
 | 
			
		||||
                * the separation is done in one step.  At the end
 | 
			
		||||
                * of the loop don't break the number into parts so
 | 
			
		||||
@ -1613,7 +1614,7 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
 | 
			
		||||
               {
 | 
			
		||||
                  d = floor(fp + .5);
 | 
			
		||||
 | 
			
		||||
                  if (d > 9)
 | 
			
		||||
                  if (d > 9.0)
 | 
			
		||||
                  {
 | 
			
		||||
                     /* Rounding up to 10, handle that here. */
 | 
			
		||||
                     if (czero > 0)
 | 
			
		||||
@ -1621,9 +1622,10 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
 | 
			
		||||
                        --czero, d = 1;
 | 
			
		||||
                        if (cdigits == 0) --clead;
 | 
			
		||||
                     }
 | 
			
		||||
 | 
			
		||||
                     else
 | 
			
		||||
                     {
 | 
			
		||||
                        while (cdigits > 0 && d > 9)
 | 
			
		||||
                        while (cdigits > 0 && d > 9.0)
 | 
			
		||||
                        {
 | 
			
		||||
                           int ch = *--ascii;
 | 
			
		||||
 | 
			
		||||
@ -1648,7 +1650,7 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
 | 
			
		||||
                         * exponent but take into account the leading
 | 
			
		||||
                         * decimal point.
 | 
			
		||||
                         */
 | 
			
		||||
                        if (d > 9)  /* cdigits == 0 */
 | 
			
		||||
                        if (d > 9.0)  /* cdigits == 0 */
 | 
			
		||||
                        {
 | 
			
		||||
                           if (exp_b10 == (-1))
 | 
			
		||||
                           {
 | 
			
		||||
@ -1669,18 +1671,19 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
 | 
			
		||||
                              ++exp_b10;
 | 
			
		||||
 | 
			
		||||
                           /* In all cases we output a '1' */
 | 
			
		||||
                           d = 1;
 | 
			
		||||
                           d = 1.0;
 | 
			
		||||
                        }
 | 
			
		||||
                     }
 | 
			
		||||
                  }
 | 
			
		||||
                  fp = 0; /* Guarantees termination below. */
 | 
			
		||||
               }
 | 
			
		||||
 | 
			
		||||
               if (d == 0)
 | 
			
		||||
               if (d == 0.0)
 | 
			
		||||
               {
 | 
			
		||||
                  ++czero;
 | 
			
		||||
                  if (cdigits == 0) ++clead;
 | 
			
		||||
               }
 | 
			
		||||
 | 
			
		||||
               else
 | 
			
		||||
               {
 | 
			
		||||
                  /* Included embedded zeros in the digit count. */
 | 
			
		||||
@ -1708,6 +1711,7 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
 | 
			
		||||
                                                                 above */
 | 
			
		||||
                     --exp_b10;
 | 
			
		||||
                  }
 | 
			
		||||
 | 
			
		||||
                  *ascii++ = (char)(48 + (int)d), ++cdigits;
 | 
			
		||||
               }
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										28
									
								
								png.h
									
									
									
									
									
								
							
							
						
						
									
										28
									
								
								png.h
									
									
									
									
									
								
							@ -1,7 +1,7 @@
 | 
			
		||||
 | 
			
		||||
/* png.h - header file for PNG reference library
 | 
			
		||||
 *
 | 
			
		||||
 * libpng version 1.5.10beta01 - February 21, 2012
 | 
			
		||||
 * libpng version 1.5.10beta03 - March 5, 2012
 | 
			
		||||
 * Copyright (c) 1998-2012 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 1.5.10beta01 - February 21, 2012: Glenn
 | 
			
		||||
 *   libpng versions 0.97, January 1998, through 1.5.10beta03 - March 5, 2012: Glenn
 | 
			
		||||
 *   See also "Contributing Authors", below.
 | 
			
		||||
 *
 | 
			
		||||
 * Note about libpng version numbers:
 | 
			
		||||
@ -172,7 +172,7 @@
 | 
			
		||||
 *    1.5.9beta01-02          15    10509  15.so.15.9[.0]
 | 
			
		||||
 *    1.5.9rc01               15    10509  15.so.15.9[.0]
 | 
			
		||||
 *    1.5.9                   15    10509  15.so.15.9[.0]
 | 
			
		||||
 *    1.5.10beta01            15    10510  15.so.15.10[.0]
 | 
			
		||||
 *    1.5.10beta01-03         15    10510  15.so.15.10[.0]
 | 
			
		||||
 *
 | 
			
		||||
 *   Henceforth the source version will match the shared-library major
 | 
			
		||||
 *   and minor numbers; the shared-library major version number will be
 | 
			
		||||
@ -204,7 +204,7 @@
 | 
			
		||||
 *
 | 
			
		||||
 * This code is released under the libpng license.
 | 
			
		||||
 *
 | 
			
		||||
 * libpng versions 1.2.6, August 15, 2004, through 1.5.10beta01, February 21, 2012, are
 | 
			
		||||
 * libpng versions 1.2.6, August 15, 2004, through 1.5.10beta03, March 5, 2012, are
 | 
			
		||||
 * Copyright (c) 2004, 2006-2012 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:
 | 
			
		||||
@ -316,13 +316,13 @@
 | 
			
		||||
 * Y2K compliance in libpng:
 | 
			
		||||
 * =========================
 | 
			
		||||
 *
 | 
			
		||||
 *    February 21, 2012
 | 
			
		||||
 *    March 5, 2012
 | 
			
		||||
 *
 | 
			
		||||
 *    Since the PNG Development group is an ad-hoc body, we can't make
 | 
			
		||||
 *    an official declaration.
 | 
			
		||||
 *
 | 
			
		||||
 *    This is your unofficial assurance that libpng from version 0.71 and
 | 
			
		||||
 *    upward through 1.5.10beta01 are Y2K compliant.  It is my belief that
 | 
			
		||||
 *    upward through 1.5.10beta03 are Y2K compliant.  It is my belief that
 | 
			
		||||
 *    earlier versions were also Y2K compliant.
 | 
			
		||||
 *
 | 
			
		||||
 *    Libpng only has two year fields.  One is a 2-byte unsigned integer
 | 
			
		||||
@ -380,9 +380,9 @@
 | 
			
		||||
 */
 | 
			
		||||
 | 
			
		||||
/* Version information for png.h - this should match the version in png.c */
 | 
			
		||||
#define PNG_LIBPNG_VER_STRING "1.5.10beta01"
 | 
			
		||||
#define PNG_LIBPNG_VER_STRING "1.5.10beta03"
 | 
			
		||||
#define PNG_HEADER_VERSION_STRING \
 | 
			
		||||
     " libpng version 1.5.10beta01 - February 21, 2012\n"
 | 
			
		||||
     " libpng version 1.5.10beta03 - March 5, 2012\n"
 | 
			
		||||
 | 
			
		||||
#define PNG_LIBPNG_VER_SONUM   15
 | 
			
		||||
#define PNG_LIBPNG_VER_DLLNUM  15
 | 
			
		||||
@ -396,7 +396,7 @@
 | 
			
		||||
 * PNG_LIBPNG_VER_STRING, omitting any leading zero:
 | 
			
		||||
 */
 | 
			
		||||
 | 
			
		||||
#define PNG_LIBPNG_VER_BUILD  01
 | 
			
		||||
#define PNG_LIBPNG_VER_BUILD  03
 | 
			
		||||
 | 
			
		||||
/* Release Status */
 | 
			
		||||
#define PNG_LIBPNG_BUILD_ALPHA    1
 | 
			
		||||
@ -543,7 +543,7 @@ extern "C" {
 | 
			
		||||
/* This triggers a compiler error in png.c, if png.c and png.h
 | 
			
		||||
 * do not agree upon the version number.
 | 
			
		||||
 */
 | 
			
		||||
typedef char* png_libpng_version_1_5_10beta01;
 | 
			
		||||
typedef char* png_libpng_version_1_5_10beta03;
 | 
			
		||||
 | 
			
		||||
/* Three color definitions.  The order of the red, green, and blue, (and the
 | 
			
		||||
 * exact size) is not important, although the size of the fields need to
 | 
			
		||||
@ -2638,6 +2638,12 @@ PNG_EXPORT(207, void, png_save_uint_16, (png_bytep buf, unsigned int i));
 | 
			
		||||
      : (png_int_32)png_get_uint_32(buf)))
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
#if defined(PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED) || \
 | 
			
		||||
    defined(PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED)
 | 
			
		||||
PNG_EXPORT(234, void, png_set_check_for_invalid_index, (png_structp png_ptr,
 | 
			
		||||
    int allowed));
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
/* Maintainer: Put new public prototypes here ^, in libpng.3, and project
 | 
			
		||||
 * defs
 | 
			
		||||
 */
 | 
			
		||||
@ -2647,7 +2653,7 @@ PNG_EXPORT(207, void, png_save_uint_16, (png_bytep buf, unsigned int i));
 | 
			
		||||
 * scripts/symbols.def as well.
 | 
			
		||||
 */
 | 
			
		||||
#ifdef PNG_EXPORT_LAST_ORDINAL
 | 
			
		||||
  PNG_EXPORT_LAST_ORDINAL(233);
 | 
			
		||||
  PNG_EXPORT_LAST_ORDINAL(234);
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
#ifdef __cplusplus
 | 
			
		||||
 | 
			
		||||
@ -1,7 +1,7 @@
 | 
			
		||||
 | 
			
		||||
/* pngconf.h - machine configurable file for libpng
 | 
			
		||||
 *
 | 
			
		||||
 * libpng version 1.5.10beta01 - February 21, 2012
 | 
			
		||||
 * libpng version 1.5.10beta03 - March 5, 2012
 | 
			
		||||
 *
 | 
			
		||||
 * Copyright (c) 1998-2012 Glenn Randers-Pehrson
 | 
			
		||||
 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										51
									
								
								pngpriv.h
									
									
									
									
									
								
							
							
						
						
									
										51
									
								
								pngpriv.h
									
									
									
									
									
								
							@ -2,11 +2,11 @@
 | 
			
		||||
/* pngpriv.h - private declarations for use inside libpng
 | 
			
		||||
 *
 | 
			
		||||
 * For conditions of distribution and use, see copyright notice in png.h
 | 
			
		||||
 * Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 * Copyright (c) 1998-2012 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.)
 | 
			
		||||
 *
 | 
			
		||||
 * Last changed in libpng 1.5.7 [December 15, 2011]
 | 
			
		||||
 * Last changed in libpng 1.5.10 [(PENDING RELEASE)]
 | 
			
		||||
 *
 | 
			
		||||
 * This code is released under the libpng license.
 | 
			
		||||
 * For conditions of distribution and use, see the disclaimer
 | 
			
		||||
@ -133,6 +133,46 @@
 | 
			
		||||
#  define PNG_DLL_EXPORT
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
/* SECURITY and SAFETY:
 | 
			
		||||
 *
 | 
			
		||||
 * By default libpng is built without any internal limits on image size,
 | 
			
		||||
 * individual heap (png_malloc) allocations or the total amount of memory used.
 | 
			
		||||
 * If PNG_SAFE_LIMITS_SUPPORTED is defined, however, the limits below are used
 | 
			
		||||
 * (unless individually overridden).  These limits are believed to be fairly
 | 
			
		||||
 * safe, but builders of secure systems should verify the values against the
 | 
			
		||||
 * real system capabilities.
 | 
			
		||||
 */
 | 
			
		||||
 | 
			
		||||
#ifdef PNG_SAFE_LIMITS_SUPPORTED
 | 
			
		||||
   /* 'safe' limits */
 | 
			
		||||
#  ifndef PNG_USER_WIDTH_MAX
 | 
			
		||||
#     define PNG_USER_WIDTH_MAX 1000000
 | 
			
		||||
#  endif
 | 
			
		||||
#  ifndef PNG_USER_HEIGHT_MAX
 | 
			
		||||
#     define PNG_USER_HEIGHT_MAX 1000000
 | 
			
		||||
#  endif
 | 
			
		||||
#  ifndef PNG_USER_CHUNK_CACHE_MAX
 | 
			
		||||
#     define PNG_USER_CHUNK_CACHE_MAX 128
 | 
			
		||||
#  endif
 | 
			
		||||
#  ifndef PNG_USER_CHUNK_MALLOC_MAX
 | 
			
		||||
#     define PNG_USER_CHUNK_MALLOC_MAX 8000000
 | 
			
		||||
#  endif
 | 
			
		||||
#else
 | 
			
		||||
   /* values for no limits */
 | 
			
		||||
#  ifndef PNG_USER_WIDTH_MAX
 | 
			
		||||
#     define PNG_USER_WIDTH_MAX 0x7fffffff
 | 
			
		||||
#  endif
 | 
			
		||||
#  ifndef PNG_USER_HEIGHT_MAX
 | 
			
		||||
#     define PNG_USER_HEIGHT_MAX 0x7fffffff
 | 
			
		||||
#  endif
 | 
			
		||||
#  ifndef PNG_USER_CHUNK_CACHE_MAX
 | 
			
		||||
#     define PNG_USER_CHUNK_CACHE_MAX 0
 | 
			
		||||
#  endif
 | 
			
		||||
#  ifndef PNG_USER_CHUNK_MALLOC_MAX
 | 
			
		||||
#     define PNG_USER_CHUNK_MALLOC_MAX 0
 | 
			
		||||
#  endif
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
/* This is used for 16 bit gamma tables - only the top level pointers are const,
 | 
			
		||||
 * this could be changed:
 | 
			
		||||
 */
 | 
			
		||||
@ -1355,6 +1395,13 @@ PNG_EXTERN void png_check_IHDR PNGARG((png_structp png_ptr,
 | 
			
		||||
    int color_type, int interlace_type, int compression_type,
 | 
			
		||||
    int filter_type));
 | 
			
		||||
 | 
			
		||||
/* Added at libpng version 1.5.10 */
 | 
			
		||||
#if defined(PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED) || \
 | 
			
		||||
    defined(PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED)
 | 
			
		||||
PNG_EXTERN void png_do_check_palette_indexes PNGARG((png_structp png_ptr,
 | 
			
		||||
    png_row_infop row_info));
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
/* Free all memory used by the read (old method - NOT DLL EXPORTED) */
 | 
			
		||||
PNG_EXTERN void png_read_destroy PNGARG((png_structp png_ptr,
 | 
			
		||||
    png_infop info_ptr, png_infop end_info_ptr));
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										17
									
								
								pngread.c
									
									
									
									
									
								
							
							
						
						
									
										17
									
								
								pngread.c
									
									
									
									
									
								
							@ -1,8 +1,8 @@
 | 
			
		||||
 | 
			
		||||
/* pngread.c - read a PNG file
 | 
			
		||||
 *
 | 
			
		||||
 * Last changed in libpng 1.5.7 [December 15, 2011]
 | 
			
		||||
 * Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 * Last changed in libpng 1.5.10 [(PENDING RELEASE)]
 | 
			
		||||
 * Copyright (c) 1998-2012 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.)
 | 
			
		||||
 *
 | 
			
		||||
@ -801,6 +801,13 @@ png_read_end(png_structp png_ptr, png_infop info_ptr)
 | 
			
		||||
 | 
			
		||||
   png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */
 | 
			
		||||
 | 
			
		||||
#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
 | 
			
		||||
   /* Report invalid palette index; added at libng-1.5.10 */
 | 
			
		||||
   if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
 | 
			
		||||
      png_ptr->num_palette_max > png_ptr->num_palette)
 | 
			
		||||
     png_warning(png_ptr, "Read palette index exceeding num_palette");
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
   do
 | 
			
		||||
   {
 | 
			
		||||
      png_uint_32 length = png_read_chunk_header(png_ptr);
 | 
			
		||||
@ -1066,12 +1073,6 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr,
 | 
			
		||||
   png_free(png_ptr, png_ptr->save_buffer);
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
 | 
			
		||||
#ifdef PNG_TEXT_SUPPORTED
 | 
			
		||||
   png_free(png_ptr, png_ptr->current_text);
 | 
			
		||||
#endif /* PNG_TEXT_SUPPORTED */
 | 
			
		||||
#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
 | 
			
		||||
 | 
			
		||||
   /* Save the important info out of the png_struct, in case it is
 | 
			
		||||
    * being used again.
 | 
			
		||||
    */
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										10
									
								
								pngrtran.c
									
									
									
									
									
								
							
							
						
						
									
										10
									
								
								pngrtran.c
									
									
									
									
									
								
							@ -1,8 +1,8 @@
 | 
			
		||||
 | 
			
		||||
/* pngrtran.c - transforms the data in a row for PNG readers
 | 
			
		||||
 *
 | 
			
		||||
 * Last changed in libpng 1.5.7 [December 15, 2011]
 | 
			
		||||
 * Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 * Last changed in libpng 1.5.10 [(PENDING RELEASE)]
 | 
			
		||||
 * Copyright (c) 1998-2012 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.)
 | 
			
		||||
 *
 | 
			
		||||
@ -2296,6 +2296,12 @@ png_do_read_transformations(png_structp png_ptr, png_row_infop row_info)
 | 
			
		||||
      png_do_unpack(row_info, png_ptr->row_buf + 1);
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
 | 
			
		||||
   /* Added at libpng-1.5.10 */
 | 
			
		||||
   if (row_info->color_type == PNG_COLOR_TYPE_PALETTE)
 | 
			
		||||
      png_do_check_palette_indexes(png_ptr, row_info);
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
#ifdef PNG_READ_BGR_SUPPORTED
 | 
			
		||||
   if (png_ptr->transformations & PNG_BGR)
 | 
			
		||||
      png_do_bgr(row_info, png_ptr->row_buf + 1);
 | 
			
		||||
 | 
			
		||||
@ -1,7 +1,7 @@
 | 
			
		||||
 | 
			
		||||
/* pngrutil.c - utilities to read a PNG file
 | 
			
		||||
 *
 | 
			
		||||
 * Last changed in libpng 1.5.9 [(PENDING RELEASE)]
 | 
			
		||||
 * Last changed in libpng 1.5.10 [(PENDING RELEASE)]
 | 
			
		||||
 * Copyright (c) 1998-2012 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.)
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										20
									
								
								pngset.c
									
									
									
									
									
								
							
							
						
						
									
										20
									
								
								pngset.c
									
									
									
									
									
								
							@ -1,8 +1,8 @@
 | 
			
		||||
 | 
			
		||||
/* pngset.c - storage of image information into info struct
 | 
			
		||||
 *
 | 
			
		||||
 * Last changed in libpng 1.5.7 [December 15, 2011]
 | 
			
		||||
 * Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 * Last changed in libpng 1.5.10 [(PENDING RELEASE)]
 | 
			
		||||
 * Copyright (c) 1998-2012 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.)
 | 
			
		||||
 *
 | 
			
		||||
@ -1281,4 +1281,20 @@ png_set_benign_errors(png_structp png_ptr, int allowed)
 | 
			
		||||
      png_ptr->flags &= ~PNG_FLAG_BENIGN_ERRORS_WARN;
 | 
			
		||||
}
 | 
			
		||||
#endif /* PNG_BENIGN_ERRORS_SUPPORTED */
 | 
			
		||||
 | 
			
		||||
#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
 | 
			
		||||
   /* Do not report invalid palette index; added at libng-1.5.10 */
 | 
			
		||||
void PNGAPI
 | 
			
		||||
png_set_check_for_invalid_index(png_structp png_ptr, int allowed)
 | 
			
		||||
{
 | 
			
		||||
   png_debug(1, "in png_set_check_for_invalid_index");
 | 
			
		||||
 | 
			
		||||
   if (allowed)
 | 
			
		||||
      png_ptr->num_palette_max = 0;
 | 
			
		||||
 | 
			
		||||
   else
 | 
			
		||||
      png_ptr->num_palette_max = -1;
 | 
			
		||||
}
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										13
									
								
								pngstruct.h
									
									
									
									
									
								
							
							
						
						
									
										13
									
								
								pngstruct.h
									
									
									
									
									
								
							@ -121,6 +121,12 @@ struct png_struct_def
 | 
			
		||||
   png_uint_32 crc;           /* current chunk CRC value */
 | 
			
		||||
   png_colorp palette;        /* palette from the input file */
 | 
			
		||||
   png_uint_16 num_palette;   /* number of color entries in palette */
 | 
			
		||||
 | 
			
		||||
/* Added at libpng-1.5.10 */
 | 
			
		||||
#ifdef PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED
 | 
			
		||||
   int num_palette_max;       /* maximum palette index found in IDAT */
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
   png_uint_16 num_trans;     /* number of transparency values */
 | 
			
		||||
   png_byte compression;      /* file compression type (always 0) */
 | 
			
		||||
   png_byte filter;           /* file filter type (always 0) */
 | 
			
		||||
@ -211,13 +217,6 @@ struct png_struct_def
 | 
			
		||||
   int process_mode;                 /* what push library is currently doing */
 | 
			
		||||
   int cur_palette;                  /* current push library palette index */
 | 
			
		||||
 | 
			
		||||
#  ifdef PNG_TEXT_SUPPORTED
 | 
			
		||||
     png_size_t current_text_size;   /* current size of text input data */
 | 
			
		||||
     png_size_t current_text_left;   /* how much text left to read in input */
 | 
			
		||||
     png_charp current_text;         /* current text chunk buffer */
 | 
			
		||||
     png_charp current_text_ptr;     /* current location in current_text */
 | 
			
		||||
#  endif /* PNG_PROGRESSIVE_READ_SUPPORTED && PNG_TEXT_SUPPORTED */
 | 
			
		||||
 | 
			
		||||
#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
 | 
			
		||||
 | 
			
		||||
#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
 | 
			
		||||
 | 
			
		||||
@ -1817,4 +1817,4 @@ main(int argc, char *argv[])
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/* Generate a compiler error if there is an old png.h in the search path. */
 | 
			
		||||
typedef png_libpng_version_1_5_10beta01 Your_png_h_is_not_version_1_5_10beta01;
 | 
			
		||||
typedef png_libpng_version_1_5_10beta03 Your_png_h_is_not_version_1_5_10beta03;
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										107
									
								
								pngtrans.c
									
									
									
									
									
								
							
							
						
						
									
										107
									
								
								pngtrans.c
									
									
									
									
									
								
							@ -1,8 +1,8 @@
 | 
			
		||||
 | 
			
		||||
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
 | 
			
		||||
 *
 | 
			
		||||
 * Last changed in libpng 1.5.4 [July 7, 2011]
 | 
			
		||||
 * Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 * Last changed in libpng 1.5.10 [(PENDING RELEASE)]
 | 
			
		||||
 * Copyright (c) 1998-2012 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.)
 | 
			
		||||
 *
 | 
			
		||||
@ -619,6 +619,109 @@ png_do_bgr(png_row_infop row_info, png_bytep row)
 | 
			
		||||
}
 | 
			
		||||
#endif /* PNG_READ_BGR_SUPPORTED or PNG_WRITE_BGR_SUPPORTED */
 | 
			
		||||
 | 
			
		||||
#if defined(PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED) || \
 | 
			
		||||
    defined(PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED)
 | 
			
		||||
/* Added at libpng-1.5.10 */
 | 
			
		||||
void /* PRIVATE */
 | 
			
		||||
png_do_check_palette_indexes(png_structp png_ptr, png_row_infop row_info)
 | 
			
		||||
{
 | 
			
		||||
   if (png_ptr->num_palette < (1 << row_info->bit_depth) &&
 | 
			
		||||
      png_ptr->num_palette_max >= 0)
 | 
			
		||||
   {
 | 
			
		||||
      /* Calculations moved outside switch in an attempt to stop different
 | 
			
		||||
       * compiler warnings.  'padding' is in *bits* within the last byte, it is
 | 
			
		||||
       * an 'int' because pixel_depth becomes an 'int' in the expression below,
 | 
			
		||||
       * and this calculation is used because it avoids warnings that other
 | 
			
		||||
       * forms produced on either GCC or MSVC.
 | 
			
		||||
       */
 | 
			
		||||
      int padding = (-row_info->pixel_depth * row_info->width) & 7;
 | 
			
		||||
      png_bytep rp = png_ptr->row_buf + 1 + row_info->rowbytes;
 | 
			
		||||
 | 
			
		||||
      switch (row_info->bit_depth)
 | 
			
		||||
      {
 | 
			
		||||
         case 1:
 | 
			
		||||
         {
 | 
			
		||||
            /* in this case, all bytes must be 0 so we don't need
 | 
			
		||||
             * to unpack the pixels except for the rightmost one.
 | 
			
		||||
             */
 | 
			
		||||
            for (; rp > png_ptr->row_buf; rp--)
 | 
			
		||||
            {
 | 
			
		||||
              if (*rp >> padding != 0)
 | 
			
		||||
                 png_ptr->num_palette_max = 1;
 | 
			
		||||
              padding = 0;
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            break;
 | 
			
		||||
         }
 | 
			
		||||
 | 
			
		||||
         case 2:
 | 
			
		||||
         {
 | 
			
		||||
            for (; rp > png_ptr->row_buf; rp--)
 | 
			
		||||
            {
 | 
			
		||||
              int i = ((*rp >> padding) & 0x03);
 | 
			
		||||
 | 
			
		||||
              if (i > png_ptr->num_palette_max)
 | 
			
		||||
                 png_ptr->num_palette_max = i;
 | 
			
		||||
 | 
			
		||||
              i = (((*rp >> padding) >> 2) & 0x03);
 | 
			
		||||
 | 
			
		||||
              if (i > png_ptr->num_palette_max)
 | 
			
		||||
                 png_ptr->num_palette_max = i;
 | 
			
		||||
 | 
			
		||||
              i = (((*rp >> padding) >> 4) & 0x03);
 | 
			
		||||
 | 
			
		||||
              if (i > png_ptr->num_palette_max)
 | 
			
		||||
                 png_ptr->num_palette_max = i;
 | 
			
		||||
 | 
			
		||||
              i = (((*rp >> padding) >> 6) & 0x03);
 | 
			
		||||
 | 
			
		||||
              if (i > png_ptr->num_palette_max)
 | 
			
		||||
                 png_ptr->num_palette_max = i;
 | 
			
		||||
 | 
			
		||||
              padding = 0;
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            break;
 | 
			
		||||
         }
 | 
			
		||||
 | 
			
		||||
         case 4:
 | 
			
		||||
         {
 | 
			
		||||
            for (; rp > png_ptr->row_buf; rp--)
 | 
			
		||||
            {
 | 
			
		||||
              int i = ((*rp >> padding) & 0x0f);
 | 
			
		||||
 | 
			
		||||
              if (i > png_ptr->num_palette_max)
 | 
			
		||||
                 png_ptr->num_palette_max = i;
 | 
			
		||||
 | 
			
		||||
              i = (((*rp >> padding) >> 4) & 0x0f);
 | 
			
		||||
 | 
			
		||||
              if (i > png_ptr->num_palette_max)
 | 
			
		||||
                 png_ptr->num_palette_max = i;
 | 
			
		||||
 | 
			
		||||
              padding = 0;
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            break;
 | 
			
		||||
         }
 | 
			
		||||
 | 
			
		||||
         case 8:
 | 
			
		||||
         {
 | 
			
		||||
            for (; rp > png_ptr->row_buf; rp--)
 | 
			
		||||
            {
 | 
			
		||||
               if (*rp >= png_ptr->num_palette_max)
 | 
			
		||||
                  png_ptr->num_palette_max = (int) *rp;
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            break;
 | 
			
		||||
         }
 | 
			
		||||
 | 
			
		||||
         default:
 | 
			
		||||
            break;
 | 
			
		||||
      }
 | 
			
		||||
   }
 | 
			
		||||
}
 | 
			
		||||
#endif /* PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED */
 | 
			
		||||
 | 
			
		||||
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
 | 
			
		||||
    defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
 | 
			
		||||
#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										14
									
								
								pngusr.dfa
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										14
									
								
								pngusr.dfa
									
									
									
									
									
										Normal file
									
								
							@ -0,0 +1,14 @@
 | 
			
		||||
# pngusr.dfa
 | 
			
		||||
#
 | 
			
		||||
# Build time configuration of libpng
 | 
			
		||||
#
 | 
			
		||||
# Enter build configuration options in this file
 | 
			
		||||
#
 | 
			
		||||
# Security settings: by default these limits are unset, you can change them
 | 
			
		||||
# here by entering the appropriate values as #defines preceded by '@' (to cause,
 | 
			
		||||
# them to be passed through to the build of pnglibconf.h), for example:
 | 
			
		||||
#
 | 
			
		||||
# @# define PNG_USER_WIDTH_MAX 1000000
 | 
			
		||||
# @# define PNG_USER_HEIGHT_MAX 1000000
 | 
			
		||||
# @# define PNG_USER_CHUNK_CACHE_MAX 128
 | 
			
		||||
# @# define PNG_USER_CHUNK_MALLOC_MAX 8000000
 | 
			
		||||
							
								
								
									
										16
									
								
								pngwrite.c
									
									
									
									
									
								
							
							
						
						
									
										16
									
								
								pngwrite.c
									
									
									
									
									
								
							@ -1,8 +1,8 @@
 | 
			
		||||
 | 
			
		||||
/* pngwrite.c - general routines to write a PNG file
 | 
			
		||||
 *
 | 
			
		||||
 * Last changed in libpng 1.5.7 [December 15, 2011]
 | 
			
		||||
 * Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 * Last changed in libpng 1.5.10 [(PENDING RELEASE)]
 | 
			
		||||
 * Copyright (c) 1998-2012 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.)
 | 
			
		||||
 *
 | 
			
		||||
@ -305,6 +305,11 @@ png_write_end(png_structp png_ptr, png_infop info_ptr)
 | 
			
		||||
   if (!(png_ptr->mode & PNG_HAVE_IDAT))
 | 
			
		||||
      png_error(png_ptr, "No IDATs written into file");
 | 
			
		||||
 | 
			
		||||
#ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED
 | 
			
		||||
   if (png_ptr->num_palette_max > png_ptr->num_palette)
 | 
			
		||||
      png_warning(png_ptr, "Wrote palette index exceeding num_palette");
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
   /* See if user wants us to write information chunks */
 | 
			
		||||
   if (info_ptr != NULL)
 | 
			
		||||
   {
 | 
			
		||||
@ -798,6 +803,13 @@ png_write_row(png_structp png_ptr, png_const_bytep row)
 | 
			
		||||
   }
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
/* Added at libpng-1.5.10 */
 | 
			
		||||
#ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED
 | 
			
		||||
   /* Check for out-of-range palette index */
 | 
			
		||||
   if(row_info.color_type == PNG_COLOR_TYPE_PALETTE)
 | 
			
		||||
      png_do_check_palette_indexes(png_ptr, &row_info);
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
   /* Find a filter if necessary, filter the row and write it out. */
 | 
			
		||||
   png_write_find_filter(png_ptr, &row_info);
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
@ -1,7 +1,7 @@
 | 
			
		||||
 | 
			
		||||
VisualStudio instructions
 | 
			
		||||
 | 
			
		||||
libpng version 1.5.10beta01 - February 21, 2012
 | 
			
		||||
libpng version 1.5.10beta03 - March 5, 2012
 | 
			
		||||
 | 
			
		||||
Copyright (c) 1998-2010 Glenn Randers-Pehrson
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
@ -2,7 +2,7 @@
 | 
			
		||||
<!--
 | 
			
		||||
 * zlib.props - location of zlib source
 | 
			
		||||
 *
 | 
			
		||||
 * libpng version 1.5.10beta01 - February 21, 2012
 | 
			
		||||
 * libpng version 1.5.10beta03 - March 5, 2012
 | 
			
		||||
 *
 | 
			
		||||
 * Copyright (c) 1998-2011 Glenn Randers-Pehrson
 | 
			
		||||
 *
 | 
			
		||||
 | 
			
		||||
@ -1,9 +1,9 @@
 | 
			
		||||
 | 
			
		||||
Makefiles for  libpng version 1.5.10beta01 - February 21, 2012
 | 
			
		||||
Makefiles for  libpng version 1.5.10beta03 - March 5, 2012
 | 
			
		||||
 | 
			
		||||
pnglibconf.h.prebuilt       =>  Stores configuration settings
 | 
			
		||||
 makefile.linux    =>  Linux/ELF makefile
 | 
			
		||||
                       (gcc, creates libpng15.so.15.1.5.10beta01)
 | 
			
		||||
                       (gcc, creates libpng15.so.15.1.5.10beta03)
 | 
			
		||||
 makefile.gcc      =>  Generic makefile (gcc, creates static libpng.a)
 | 
			
		||||
 makefile.knr      =>  Archaic UNIX Makefile that converts files with
 | 
			
		||||
                       ansi2knr (Requires ansi2knr.c from
 | 
			
		||||
@ -20,7 +20,7 @@ pnglibconf.h.prebuilt       =>  Stores configuration settings
 | 
			
		||||
 makefile.dec      =>  DEC Alpha UNIX makefile
 | 
			
		||||
 makefile.dj2      =>  DJGPP 2 makefile
 | 
			
		||||
 makefile.elf      =>  Linux/ELF makefile symbol versioning,
 | 
			
		||||
                       (gcc, creates libpng15.so.15.1.5.10beta01)
 | 
			
		||||
                       (gcc, creates libpng15.so.15.1.5.10beta03)
 | 
			
		||||
 makefile.freebsd  =>  FreeBSD makefile
 | 
			
		||||
 makefile.gcc      =>  Generic gcc makefile
 | 
			
		||||
 makefile.hpgcc    =>  HPUX makefile using gcc
 | 
			
		||||
@ -35,12 +35,12 @@ pnglibconf.h.prebuilt       =>  Stores configuration settings
 | 
			
		||||
 makefile.os2      =>  OS/2 Makefile (gcc and emx, requires libpng.def)
 | 
			
		||||
 makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc
 | 
			
		||||
 makefile.sggcc    =>  Silicon Graphics (gcc,
 | 
			
		||||
                       creates libpng15.so.15.1.5.10beta01)
 | 
			
		||||
                       creates libpng15.so.15.1.5.10beta03)
 | 
			
		||||
 makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
 | 
			
		||||
 makefile.solaris  =>  Solaris 2.X makefile (gcc,
 | 
			
		||||
                       creates libpng15.so.15.1.5.10beta01)
 | 
			
		||||
                       creates libpng15.so.15.1.5.10beta03)
 | 
			
		||||
 makefile.so9      =>  Solaris 9 makefile (gcc,
 | 
			
		||||
                       creates libpng15.so.15.1.5.10beta01)
 | 
			
		||||
                       creates libpng15.so.15.1.5.10beta03)
 | 
			
		||||
 makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
 | 
			
		||||
 makefile.sunos    =>  Sun makefile
 | 
			
		||||
 makefile.32sunu   =>  Sun Ultra 32-bit makefile
 | 
			
		||||
 | 
			
		||||
@ -11,7 +11,7 @@
 | 
			
		||||
 | 
			
		||||
# Modeled after libxml-config.
 | 
			
		||||
 | 
			
		||||
version=1.5.10beta01
 | 
			
		||||
version=1.5.10beta03
 | 
			
		||||
prefix=""
 | 
			
		||||
libdir=""
 | 
			
		||||
libs=""
 | 
			
		||||
 | 
			
		||||
@ -5,6 +5,6 @@ includedir=@includedir@/libpng15
 | 
			
		||||
 | 
			
		||||
Name: libpng
 | 
			
		||||
Description: Loads and saves PNG files
 | 
			
		||||
Version: 1.5.10beta01
 | 
			
		||||
Version: 1.5.10beta03
 | 
			
		||||
Libs: -L${libdir} -lpng15
 | 
			
		||||
Cflags: -I${includedir}
 | 
			
		||||
 | 
			
		||||
@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng15
 | 
			
		||||
 | 
			
		||||
LIB=	png15
 | 
			
		||||
SHLIB_MAJOR=	0
 | 
			
		||||
SHLIB_MINOR=	1.5.10beta01
 | 
			
		||||
SHLIB_MINOR=	1.5.10beta03
 | 
			
		||||
SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 | 
			
		||||
	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 | 
			
		||||
	pngwtran.c pngmem.c pngerror.c pngpread.c
 | 
			
		||||
 | 
			
		||||
@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include
 | 
			
		||||
 | 
			
		||||
LIB=	png
 | 
			
		||||
SHLIB_MAJOR=	15
 | 
			
		||||
SHLIB_MINOR=	1.5.10beta01
 | 
			
		||||
SHLIB_MINOR=	1.5.10beta03
 | 
			
		||||
SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 | 
			
		||||
	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 | 
			
		||||
	pngwtran.c pngmem.c pngerror.c pngpread.c
 | 
			
		||||
 | 
			
		||||
@ -11,7 +11,7 @@ LIBDIR=	${PREFIX}/lib
 | 
			
		||||
MANDIR= ${PREFIX}/man/cat
 | 
			
		||||
 | 
			
		||||
SHLIB_MAJOR=	15
 | 
			
		||||
SHLIB_MINOR=	1.5.10beta01
 | 
			
		||||
SHLIB_MINOR=	1.5.10beta03
 | 
			
		||||
 | 
			
		||||
LIB=	png
 | 
			
		||||
SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
 | 
			
		||||
 | 
			
		||||
@ -42,7 +42,7 @@ BEGIN{
 | 
			
		||||
   comment=start cx             # Comment start
 | 
			
		||||
   cend="*/" end                # Comment end
 | 
			
		||||
   def=start "#define PNG_" ct  # Arbitrary define
 | 
			
		||||
   sup=ct "_SUPPORTED" end      # end supported option
 | 
			
		||||
   sup=ct "_SUPPORTED 1" end    # end supported option
 | 
			
		||||
   und=comment "#undef PNG_" ct # Unsupported option
 | 
			
		||||
   une=ct "_SUPPORTED" cend     # end unsupported option
 | 
			
		||||
   error=start "ERROR:"         # error message
 | 
			
		||||
 | 
			
		||||
@ -27,7 +27,7 @@ file pnglibconf.h scripts/pnglibconf.dfa PNGLCONF_H
 | 
			
		||||
# The syntax is detailed in scripts/options.awk, this is a summary
 | 
			
		||||
# only:
 | 
			
		||||
#
 | 
			
		||||
# setting <name> [requires ...] [default]
 | 
			
		||||
# setting <name> [default]
 | 
			
		||||
#    #define PNG_<name> <value>  /* value comes from current setting */
 | 
			
		||||
# option <name> [requires ...] [if ...] [enables ...] [disabled]
 | 
			
		||||
#    #define PNG_<name>_SUPPORTED if the requirements are met and
 | 
			
		||||
@ -266,20 +266,22 @@ option SET_USER_LIMITS enables SET_CHUNK_CACHE_LIMIT
 | 
			
		||||
 | 
			
		||||
option SET_USER_LIMITS enables SET_CHUNK_MALLOC_LIMIT
 | 
			
		||||
 | 
			
		||||
# Added at libpng-1.0.16 and 1.2.6.  To accept all valid PNGs no matter
 | 
			
		||||
# how large, set these two limits to 0x7fffffff
 | 
			
		||||
# Libpng limits.
 | 
			
		||||
#
 | 
			
		||||
# If these settings are *not* set libpng will not limit the size of
 | 
			
		||||
# images or the size of data in ancilliary chunks.  This does lead to
 | 
			
		||||
# security issues if PNG files come from untrusted sources.
 | 
			
		||||
setting USER_WIDTH_MAX
 | 
			
		||||
setting USER_HEIGHT_MAX
 | 
			
		||||
setting USER_CHUNK_CACHE_MAX
 | 
			
		||||
setting USER_CHUNK_MALLOC_MAX
 | 
			
		||||
 | 
			
		||||
setting USER_WIDTH_MAX default 1000000
 | 
			
		||||
setting USER_HEIGHT_MAX default 1000000
 | 
			
		||||
 | 
			
		||||
# Added at libpng-1.2.43.  To accept all valid PNGs no matter
 | 
			
		||||
# how large, set these two limits to 0.
 | 
			
		||||
 | 
			
		||||
setting USER_CHUNK_CACHE_MAX default 0
 | 
			
		||||
 | 
			
		||||
# Added at libpng-1.2.43
 | 
			
		||||
 | 
			
		||||
setting USER_CHUNK_MALLOC_MAX default 0
 | 
			
		||||
# To default all these settings to values that are large but probably
 | 
			
		||||
# safe turn the SAFE_LIMITS option on; this will cause the value in
 | 
			
		||||
# pngpriv.h to be used.  Individual values can also be set, simply set
 | 
			
		||||
# them in pngusr.dfa with '@#define PNG_setting value' lines.
 | 
			
		||||
option SAFE_LIMITS enables USER_LIMITS disabled
 | 
			
		||||
= SAFE_LIMITS SAFE_LIMITS
 | 
			
		||||
 | 
			
		||||
# All of the following options relate to code capabilities for
 | 
			
		||||
# processing image data before creating a PNG or after reading one.
 | 
			
		||||
@ -576,3 +578,13 @@ option WRITE_COMPRESSED_TEXT enables WRITE_TEXT
 | 
			
		||||
# leave the row_pointers member out of the info structure.
 | 
			
		||||
 | 
			
		||||
option INFO_IMAGE
 | 
			
		||||
 | 
			
		||||
# added at libpng-1.5.10
 | 
			
		||||
# Turn this off to disable warning about invalid palette index and
 | 
			
		||||
# leave the num_palette_max member out of the png structure.
 | 
			
		||||
 | 
			
		||||
option CHECK_FOR_INVALID_INDEX enables READ_CHECK_FOR_INVALID_INDEX
 | 
			
		||||
option CHECK_FOR_INVALID_INDEX enables WRITE_CHECK_FOR_INVALID_INDEX
 | 
			
		||||
option READ_CHECK_FOR_INVALID_INDEX requires READ CHECK_FOR_INVALID_INDEX
 | 
			
		||||
option WRITE_CHECK_FOR_INVALID_INDEX requires WRITE CHECK_FOR_INVALID_INDEX
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
@ -3,9 +3,9 @@
 | 
			
		||||
 | 
			
		||||
/* pnglibconf.h - library build configuration */
 | 
			
		||||
 | 
			
		||||
/* Libpng 1.5.10beta01 - February 21, 2012 */
 | 
			
		||||
/* Libpng 1.5.10beta03 - March 5, 2012 */
 | 
			
		||||
 | 
			
		||||
/* Copyright (c) 1998-2011 Glenn Randers-Pehrson */
 | 
			
		||||
/* Copyright (c) 1998-2012 Glenn Randers-Pehrson */
 | 
			
		||||
 | 
			
		||||
/* This code is released under the libpng license. */
 | 
			
		||||
/* For conditions of distribution and use, see the disclaimer */
 | 
			
		||||
@ -31,10 +31,6 @@
 | 
			
		||||
#define PNG_QUANTIZE_GREEN_BITS 5
 | 
			
		||||
#define PNG_QUANTIZE_RED_BITS 5
 | 
			
		||||
#define PNG_sCAL_PRECISION 5
 | 
			
		||||
#define PNG_USER_CHUNK_CACHE_MAX 0
 | 
			
		||||
#define PNG_USER_CHUNK_MALLOC_MAX 0
 | 
			
		||||
#define PNG_USER_HEIGHT_MAX 1000000
 | 
			
		||||
#define PNG_USER_WIDTH_MAX 1000000
 | 
			
		||||
#define PNG_WEIGHT_SHIFT 8
 | 
			
		||||
#define PNG_ZBUF_SIZE 8192
 | 
			
		||||
/* end of settings */
 | 
			
		||||
@ -45,6 +41,7 @@
 | 
			
		||||
#define PNG_bKGD_SUPPORTED
 | 
			
		||||
#define PNG_BUILD_GRAYSCALE_PALETTE_SUPPORTED
 | 
			
		||||
#define PNG_CHECK_cHRM_SUPPORTED
 | 
			
		||||
#define PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED
 | 
			
		||||
#define PNG_cHRM_SUPPORTED
 | 
			
		||||
#define PNG_CONSOLE_IO_SUPPORTED
 | 
			
		||||
#define PNG_CONVERT_tIME_SUPPORTED
 | 
			
		||||
@ -74,6 +71,7 @@
 | 
			
		||||
#define PNG_READ_BACKGROUND_SUPPORTED
 | 
			
		||||
#define PNG_READ_BGR_SUPPORTED
 | 
			
		||||
#define PNG_READ_bKGD_SUPPORTED
 | 
			
		||||
#define PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
 | 
			
		||||
#define PNG_READ_cHRM_SUPPORTED
 | 
			
		||||
#define PNG_READ_COMPOSITE_NODIV_SUPPORTED
 | 
			
		||||
#define PNG_READ_COMPRESSED_TEXT_SUPPORTED
 | 
			
		||||
@ -145,6 +143,7 @@
 | 
			
		||||
#define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
 | 
			
		||||
#define PNG_WRITE_BGR_SUPPORTED
 | 
			
		||||
#define PNG_WRITE_bKGD_SUPPORTED
 | 
			
		||||
#define PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED
 | 
			
		||||
#define PNG_WRITE_cHRM_SUPPORTED
 | 
			
		||||
#define PNG_WRITE_COMPRESSED_TEXT_SUPPORTED
 | 
			
		||||
#define PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED
 | 
			
		||||
 | 
			
		||||
@ -5,7 +5,7 @@
 | 
			
		||||
LIBRARY
 | 
			
		||||
 | 
			
		||||
EXPORTS
 | 
			
		||||
;Version 1.5.10beta01
 | 
			
		||||
;Version 1.5.10beta03
 | 
			
		||||
 png_access_version_number @1
 | 
			
		||||
 png_set_sig_bytes @2
 | 
			
		||||
 png_sig_cmp @3
 | 
			
		||||
@ -239,3 +239,4 @@ EXPORTS
 | 
			
		||||
 png_get_cHRM_XYZ_fixed @231
 | 
			
		||||
 png_set_cHRM_XYZ @232
 | 
			
		||||
 png_set_cHRM_XYZ_fixed @233
 | 
			
		||||
 png_set_check_for_invalid_index @234
 | 
			
		||||
 | 
			
		||||
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