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Glenn Randers-Pehrson 2000-07-01 15:37:28 -05:00
parent 98b0ff4998
commit 3d5a520610
50 changed files with 227 additions and 156 deletions
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5
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.0.7rc2 - June 28, 2000
Libpng 1.0.7 - July 1, 2000
This is a public release of libpng, intended for use in production codes.
@ -60,6 +60,8 @@ Changes since the last public release (1.0.6):
Made PNG_NO_ITXT_SUPPORTED the default setting, to avoid memory overrun
when old applications fill the info_ptr->text structure directly.
Added PNGAPI macro, and added it to the definitions of all exported functions.
Relocated version macro definitions ahead of the includes of zlib.h and
pngconf.h in png.h.
Made PNG_NO_CONSOLE_IO the default condition when PNG_BUILD_DLL is defined.
Use MSC _RPTn debugging instead of fprintf if _MSC_VER is defined.
Added png_access_version_number() function.
@ -93,6 +95,7 @@ Changes since the last public release (1.0.6):
(Simon-Pierre Cadieux) and contrib/visupng directory (Willem van Schaik).
Removed leading underscores from "_PNG_H" and "_PNG_SAVE_BSD_SOURCE" macros.
Fixed bugs in pngwrite.c and pngwutil.c that prevented writing iCCP chunks.
Revised the definition of "trans_values" in libpng.3/libpng.txt
Send comments/corrections/commendations to
png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu

5
CHANGES
View File

@ -737,6 +737,8 @@ version 1.0.7beta11 [May 7, 2000]
Made PNG_NO_ITXT_SUPPORTED the default setting, to avoid memory overrun
when old applications fill the info_ptr->text structure directly.
Added PNGAPI macro, and added it to the definitions of all exported functions.
Relocated version macro definitions ahead of the includes of zlib.h and
pngconf.h in png.h.
version 1.0.7beta12 [May 12, 2000]
Revised pngset.c to avoid a problem with expanding the png_debug macro.
Deleted some extraneous defines from pngconf.h
@ -791,7 +793,10 @@ version 1.0.7beta18 [June 23, 2000]
Updated contrib/visupng/cexcept.h to version 1.0.0.
Fixed bugs in pngwrite.c and pngwutil.c that prevented writing iCCP chunks.
version 1.0.7rc2 [June 28, 2000]
Updated license to include disclaimers required by UCITA.
Fixed "DJBPP" typo in pnggccrd.c introduced in beta18.
version 1.0.7 [July 1, 2000]
Revised the definition of "trans_values" in libpng.3/libpng.txt
Send comments/corrections/commendations to
png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu

12
INSTALL
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@ -1,5 +1,5 @@
Installing libpng version 1.0.7rc2 - June 28, 2000
Installing libpng version 1.0.7 - July 1, 2000
Before installing libpng, you must first install zlib. zlib
can usually be found wherever you got libpng. zlib can be
@ -10,7 +10,7 @@ zlib.h and zconf.h include files that correspond to the
version of zlib that's installed.
You can rename the directories that you downloaded (they
might be called "libpng-1.0.7rc2" or "lpng107" and "zlib-1.1.3"
might be called "libpng-1.0.7" or "lpng107" and "zlib-1.1.3"
or "zlib113") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this:
@ -54,8 +54,8 @@ The files that are presently available in the scripts directory
include
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.linux => Linux/ELF makefile (gcc, creates libpng.so.2.1.0.7rc2)
makefile.gcmmx => Linux/ELF makefile (gcc, creates libpng.so.2.1.0.7rc2,
makefile.linux => Linux/ELF makefile (gcc, creates libpng.so.2.1.0.7)
makefile.gcmmx => Linux/ELF makefile (gcc, creates libpng.so.2.1.0.7,
uses assembler code tuned for Intel MMX platform)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
@ -67,9 +67,9 @@ include
makefile.intel => Intel C/C++ version 4.0 and later
libpng.icc => Project file for IBM VisualAge/C++ version 4.0 or later
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc, creates libpng.so.2.1.0.7rc2)
makefile.sggcc => Silicon Graphics (gcc, creates libpng.so.2.1.0.7)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc, creates libpng.so.2.1.0.7rc2)
makefile.solaris => Solaris 2.X makefile (gcc, creates libpng.so.2.1.0.7)
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
makefile.mips => MIPS makefile
makefile.acorn => Acorn makefile

76
LICENSE
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@ -1,29 +1,57 @@
COPYRIGHT NOTICE:
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
(libpng versions 0.5, May 1995, through 0.89c, May 1996)
COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng version 1.0.7, July 1, 2000 is Copyright (c) 2000 Glenn Randers-Pehrson
Distributed according to the same disclaimer and license as libpng-1.0.6
with the following individuals added to the list of Contributing Authors
Simon-Pierre Cadieux
Eric S. Raymond
Gilles Vollant
and with the following additions to the disclaimer:
There is no warranty against interference with your enjoyment of the
library or against infringement. There is no warranty that our
efforts or the library will fulfill any of your particular purposes
or needs. This library is provided with all faults, and the entire
risk of satisfactory quality, performance, accuracy, and effort is with
the user.
libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
Copyright (c) 1998, 1999 Glenn Randers-Pehrson
Distributed according to the same disclaimer and license as libpng-0.96,
with the following individuals added to the list of Contributing Authors:
Tom Lane
Glenn Randers-Pehrson
Willem van Schaik
libpng versions 0.89, June 1996, through 0.96, May 1997, are
Copyright (c) 1996, 1997 Andreas Dilger
(libpng versions 0.90, December 1996, through 0.96, May 1997)
Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
(libpng versions 0.97, January 1998, through 1.0.7rc2, June 28, 2000)
For the purposes of this copyright and license, "Contributing Authors"
is defined as the following set of individuals:
Distributed according to the same disclaimer and license as libpng-0.88,
with the following individuals added to the list of Contributing Authors:
John Bowler
Kevin Bracey
Sam Bushell
Andreas Dilger
Magnus Holmgren
Tom Lane
Dave Martindale
Glenn Randers-Pehrson
Eric S. Raymond
Greg Roelofs
Tom Tanner
libpng versions 0.5, May 1995, through 0.88, January 1996, are
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
For the purposes of this copyright and license, "Contributing Authors"
is defined as the following set of individuals:
Andreas Dilger
Dave Martindale
Guy Eric Schalnat
Paul Schmidt
Tom Tanner
Willem van Schaik
Tim Wegner
The PNG Reference Library is supplied "AS IS". The Contributing Authors
@ -38,16 +66,13 @@ Permission is hereby granted to use, copy, modify, and distribute this
source code, or portions hereof, for any purpose, without fee, subject
to the following restrictions:
1. The origin of this source code must not be
misrepresented.
1. The origin of this source code must not be misrepresented.
2. Altered versions must be plainly marked as such
and must not be misrepresented as being the
original source.
2. Altered versions must be plainly marked as such and must not
be misrepresented as being the original source.
3. This Copyright notice may not be removed or
altered from any source or altered source
distribution.
3. This Copyright notice may not be removed or altered from any
source or altered source distribution.
The Contributing Authors and Group 42, Inc. specifically permit, without
fee, and encourage the use of this source code as a component to
@ -55,6 +80,7 @@ supporting the PNG file format in commercial products. If you use this
source code in a product, acknowledgment is not required but would be
appreciated.
A "png_get_copyright" function is available, for convenient use in "about"
boxes and the like:
@ -68,4 +94,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
randeg@alum.rpi.edu
June 28, 2000
July 1, 2000

10
README
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@ -1,4 +1,4 @@
README for libpng 1.0.7rc2 - June 28, 2000 (shared library 2.1)
README for libpng 1.0.7 - July 1, 2000 (shared library 2.1)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
@ -176,9 +176,9 @@ Files in this distribution:
descrip.mms => VMS makefile for MMS or MMK
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng.so.2.1.0.7rc2)
(gcc, creates libpng.so.2.1.0.7)
makefile.gcmmx => Linux/ELF makefile (gcc, creates
libpng.so.2.1.0.7rc2, uses assembler code
libpng.so.2.1.0.7, uses assembler code
tuned for Intel MMX platform)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
@ -190,10 +190,10 @@ Files in this distribution:
makefile.intel => Intel C/C++ version 4.0 and later
libpng.icc => Project file, IBM VisualAge/C++ 4.0 or later
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc, creates libpng.so.2.1.0.7rc2)
makefile.sggcc => Silicon Graphics (gcc, creates libpng.so.2.1.0.7)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng.so.2.1.0.7rc2)
(gcc, creates libpng.so.2.1.0.7)
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
makefile.mips => MIPS makefile
makefile.acorn => Acorn makefile

4
Y2KINFO
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@ -1,13 +1,13 @@
Y2K compliance in libpng:
=========================
June 28, 2000
July 1, 2000
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 1.0.7rc2 are Y2K compliant. It is my belief that earlier
upward through 1.0.7 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

2
configure vendored
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@ -1,5 +1,5 @@
echo "
There is no \"configure\" script for Libpng-1.0.7rc2. Instead, please
There is no \"configure\" script for Libpng-1.0.7. Instead, please
copy the appropriate makefile for your system from the \"scripts\"
directory. Read the INSTALL file for more details.
"

2
contrib/gregbook/Makefile.unx
View File

@ -40,7 +40,7 @@ ZLIB = /usr/local/lib/libz.a # statically linked against zlib
#XINC = -I/usr/include/X11 # old-style, stock X distributions
#XLIB = -L/usr/lib/X11 -lX11
#XINC = -I/usr/openwin/include/X11 # Sun workstations (OpenWindows)
#XINC = -I/usr/openwin/include # Sun workstations (OpenWindows)
#XLIB = -L/usr/openwin/lib -lX11
XINC = -I/usr/X11R6/include # new X distributions (XFree86, etc.)
XLIB = -L/usr/X11R6/lib -lX11

6
contrib/visupng/PngFile.c
View File

@ -348,11 +348,7 @@ BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData,
// we can allocate memory for an array of row-pointers
if ((ppbRowPointers = (png_bytepp) malloc(iHeight * sizeof(png_bytep))) == NULL)
{
fclose(pfFile);
png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
return FALSE;
}
Throw "Visualpng: Out of memory";
// set the individual row-pointers to point at the correct offsets

106
libpng.3
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@ -1,6 +1,6 @@
.TH LIBPNG 3 "June 28, 2000"
.TH LIBPNG 3 "July 1, 2000"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.0.7rc2
libpng \- Portable Network Graphics (PNG) Reference Library 1.0.7
.SH SYNOPSIS
\fI\fB
@ -747,7 +747,7 @@ 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 1.0.7rc2 - June 28, 2000
libpng version 1.0.7 - July 1, 2000
Updated and distributed by Glenn Randers-Pehrson
<randeg@alum.rpi.edu>
Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
@ -1269,8 +1269,9 @@ into the info_ptr is returned for any complex types.
&trans_values);
trans - array of transparent entries for
palette (PNG_INFO_tRNS)
trans_values - transparent pixel for non-paletted
images (PNG_INFO_tRNS)
trans_values - graylevel or color sample values of
the single transparent color for
non-paletted images (PNG_INFO_tRNS)
num_trans - number of transparent entries
(PNG_INFO_tRNS)
@ -2443,8 +2444,9 @@ Some of the more important parts of the png_info are:
trans_values);
trans - array of transparent entries for
palette (PNG_INFO_tRNS)
trans_values - transparent pixel for non-paletted
images (PNG_INFO_tRNS)
trans_values - graylevel or color sample values of
the single transparent color for
non-paletted images (PNG_INFO_tRNS)
num_trans - number of transparent entries
(PNG_INFO_tRNS)
@ -3379,13 +3381,13 @@ application:
.SH VII. Y2K Compliance in libpng
June 28, 2000
July 1, 2000
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 1.0.7rc2 are Y2K compliant. It is my belief that earlier
upward through 1.0.7 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
@ -3526,7 +3528,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.0.7rc2 - June 28, 2000:
Libpng version 1.0.7 - July 1, 2000:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (randeg@alum.rpi.edu).
@ -3534,36 +3536,64 @@ Supported by the PNG development group
.br
(png-implement@ccrc.wustl.edu).
.SH COPYRIGHT NOTICE:
.SH COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
(libpng versions 0.5, May 1995, through 0.88, January 1996)
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng version 1.0.7, July 1, 2000 is
Copyright (c) 2000 Glenn Randers-Pehrson
Distributed according to the same disclaimer and license as libpng-1.0.6
with the following individuals added to the list of Contributing Authors
Simon-Pierre Cadieux
Eric S. Raymond
Gilles Vollant
and with the following additions to the disclaimer:
There is no warranty against interference with your enjoyment of the
library or against infringement. There is no warranty that our
efforts or the library will fulfill any of your particular purposes
or needs. This library is provided with all faults, and the entire
risk of satisfactory quality, performance, accuracy, and effort is with
the user.
libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
Copyright (c) 1998, 1999 Glenn Randers-Pehrson
Distributed according to the same disclaimer and license as libpng-0.96,
with the following individuals added to the list of Contributing Authors:
Tom Lane
Glenn Randers-Pehrson
Willem van Schaik
libpng versions 0.89, June 1996, through 0.96, May 1997, are
Copyright (c) 1996, 1997 Andreas Dilger
(libpng versions 0.89c, May 1996, through 0.96, May 1997)
Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
(libpng versions 0.97, January 1998, through 1.0.7rc2, June 28, 2000)
For the purposes of this copyright and license, "Contributing Authors"
is defined as the following set of individuals:
Distributed according to the same disclaimer and license as libpng-0.88,
with the following individuals added to the list of Contributing Authors:
John Bowler
Kevin Bracey
Sam Bushell
Andreas Dilger
Magnus Holmgren
Tom Lane
Dave Martindale
Glenn Randers-Pehrson
Eric S. Raymond
Greg Roelofs
Tom Tanner
libpng versions 0.5, May 1995, through 0.88, January 1996, are
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
For the purposes of this copyright and license, "Contributing Authors"
is defined as the following set of individuals:
Andreas Dilger
Dave Martindale
Guy Eric Schalnat
Paul Schmidt
Tom Tanner
Willem van Schaik
Tim Wegner
The PNG Reference Library (libpng) is supplied "AS IS". The Contributing
Authors and Group 42, Inc. disclaim all warranties, expressed or implied,
The PNG Reference Library is supplied "AS IS". The Contributing Authors
and Group 42, Inc. disclaim all warranties, expressed or implied,
including, without limitation, the warranties of merchantability and of
fitness for any purpose. The Contributing Authors and Group 42, Inc.
assume no liability for direct, indirect, incidental, special, exemplary,
@ -3574,16 +3604,13 @@ Permission is hereby granted to use, copy, modify, and distribute this
source code, or portions hereof, for any purpose, without fee, subject
to the following restrictions:
1. The origin of this source code must not be
misrepresented.
1. The origin of this source code must not be misrepresented.
2. Altered versions must be plainly marked as such
and must not be misrepresented as being the
original source.
2. Altered versions must be plainly marked as such and must not
be misrepresented as being the original source.
3. This Copyright notice may not be removed or
altered from any source or altered source
distribution.
3. This Copyright notice may not be removed or altered from any
source or altered source distribution.
The Contributing Authors and Group 42, Inc. specifically permit, without
fee, and encourage the use of this source code as a component to
@ -3591,6 +3618,7 @@ supporting the PNG file format in commercial products. If you use this
source code in a product, acknowledgment is not required but would be
appreciated.
A "png_get_copyright" function is available, for convenient use in "about"
boxes and the like:
@ -3599,8 +3627,12 @@ boxes and the like:
Also, the PNG logo (in PNG format, of course) is supplied in the
file "pngnow.png".
Libpng is OSI Certified Open Source Software. OSI Certified is a
Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
randeg@alum.rpi.edu
July 1, 2000
.\" end of man page

16
libpng.txt
View File

@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
libpng version 1.0.7rc2 - June 28, 2000
libpng version 1.0.7 - July 1, 2000
Updated and distributed by Glenn Randers-Pehrson
<randeg@alum.rpi.edu>
Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
@ -522,8 +522,9 @@ into the info_ptr is returned for any complex types.
&trans_values);
trans - array of transparent entries for
palette (PNG_INFO_tRNS)
trans_values - transparent pixel for non-paletted
images (PNG_INFO_tRNS)
trans_values - graylevel or color sample values of
the single transparent color for
non-paletted images (PNG_INFO_tRNS)
num_trans - number of transparent entries
(PNG_INFO_tRNS)
@ -1696,8 +1697,9 @@ Some of the more important parts of the png_info are:
trans_values);
trans - array of transparent entries for
palette (PNG_INFO_tRNS)
trans_values - transparent pixel for non-paletted
images (PNG_INFO_tRNS)
trans_values - graylevel or color sample values of
the single transparent color for
non-paletted images (PNG_INFO_tRNS)
num_trans - number of transparent entries
(PNG_INFO_tRNS)
@ -2632,13 +2634,13 @@ application:
VII. Y2K Compliance in libpng
June 28, 2000
July 1, 2000
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 1.0.7rc2 are Y2K compliant. It is my belief that earlier
upward through 1.0.7 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

4
libpngpf.3
View File

@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "June 28, 2000"
.TH LIBPNGPF 3 "July 1, 2000"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.0.7rc2
libpng \- Portable Network Graphics (PNG) Reference Library 1.0.7
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP

2
msvc/README.txt
View File

@ -1,5 +1,5 @@
Microsoft Developer Studio Build File, Format Version 6.00 for
libpng 1.0.7rc2 (June 28, 2000) and zlib
libpng 1.0.7 (July 1, 2000) and zlib
Copyright (C) 2000 Simon-Pierre Cadieux
For conditions of distribution and use, see copyright notice in png.h

2
msvc/png32ms.def
View File

@ -6,7 +6,7 @@ LIBRARY
DESCRIPTION "PNG image compression library for Windows"
EXPORTS
;Version 1.0.7rc2
;Version 1.0.7
png_build_grayscale_palette @1
png_check_sig @2
png_chunk_error @3

2
png.5
View File

@ -1,4 +1,4 @@
.TH PNG 5 "June 28, 2000"
.TH PNG 5 "July 1, 2000"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION

12
png.c
View File

@ -1,7 +1,7 @@
/* png.c - location for general purpose libpng functions
*
* libpng version 1.0.7rc2 - June 28, 2000
* libpng version 1.0.7 - July 1, 2000
* Copyright (c) 1998, 1999, 2000 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.)
@ -14,14 +14,14 @@
#include "png.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_0_7rc2 Your_png_h_is_not_version_1_0_7rc2;
typedef version_1_0_7 Your_png_h_is_not_version_1_0_7;
/* Version information for C files. This had better match the version
* string defined in png.h. */
#ifdef PNG_USE_GLOBAL_ARRAYS
/* png_libpng_ver was changed to a function in version 1.0.5c */
char png_libpng_ver[12] = "1.0.7rc2";
char png_libpng_ver[12] = "1.0.7";
/* png_sig was changed to a function in version 1.0.5c */
/* Place to hold the signature string for a PNG file. */
@ -605,7 +605,7 @@ png_charp PNGAPI
png_get_copyright(png_structp png_ptr)
{
if (png_ptr != NULL || png_ptr == NULL) /* silence compiler warning */
return ("\n libpng version 1.0.7rc2 - June 28, 2000\n\
return ("\n libpng version 1.0.7 - July 1, 2000\n\
Copyright (c) 1998-2000 Glenn Randers-Pehrson\n\
Copyright (c) 1996, 1997 Andreas Dilger\n\
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.\n");
@ -623,8 +623,8 @@ png_get_libpng_ver(png_structp png_ptr)
{
/* Version of *.c files used when building libpng */
if(png_ptr != NULL) /* silence compiler warning about unused png_ptr */
return("1.0.7rc2");
return("1.0.7rc2");
return("1.0.7");
return("1.0.7");
}
png_charp PNGAPI

39
png.h
View File

@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.0.7rc2 - June 28, 2000
* libpng version 1.0.7 - July 1, 2000
* Copyright (c) 1998, 1999, 2000 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.)
@ -9,7 +9,7 @@
* 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 1.0.7rc2 - June 28, 2000: Glenn
* libpng versions 0.97, January 1998, through 1.0.7 - July 1, 2000: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -54,8 +54,6 @@
* 1.0.6j 10007 2.1.0.6j (incompatible with 1.0.0)
* 1.0.7beta11-18 10007 2.1.0.7beta11-18 (binary compatible)
* 1.0.7rc1-2 10007 2.1.0.7rc1-2 (binary compatible)
* planned:
* 1.0.6patch4 (w/4 patches) 10006 2.1.0.6 (binary compatible)
* 1.0.7 10007 (still compatible)
*
* Henceforth the source version will match the shared-library major
@ -83,17 +81,26 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
* libpng versions 1.0.6, March 20, 2000, through 1.0.7rc2, June 28, 2000, are
* libpng version 1.0.7, July 1, 2000, is
* Copyright (c) 2000 Glenn Randers-Pehrson
* Distributed according to the same disclaimer and license as libpng-1.0.5
* with the following individuals added to the list of Contributing Authors:
* Distributed according to the same disclaimer and license as libpng-1.0.6
* with the following individuals added to the list of Contributing Authors
*
* Simon-Pierre Cadieux
* Eric S. Raymond
* Gilles Vollant
*
* libpng versions 0.97, January 1998, through 1.0.5, October 15, 1999, are
* Copyright (c) 1998, 1999 Glenn Randers-Pehrson
* and with the following additions to the disclaimer:
*
* There is no warranty against interference with your enjoyment of the
* library or against infringement. There is no warranty that our
* efforts or the library will fulfill any of your particular purposes
* or needs. This library is provided with all faults, and the entire
* risk of satisfactory quality, performance, accuracy, and effort is with
* the user.
*
* libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* Distributed according to the same disclaimer and license as libpng-0.96,
* with the following individuals added to the list of Contributing Authors:
*
@ -179,13 +186,13 @@
* Y2K compliance in libpng:
* =========================
*
* June 28, 2000
* July 1, 2000
*
* 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 1.0.7rc2 are Y2K compliant. It is my belief that earlier
* upward through 1.0.7 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
@ -241,7 +248,7 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.0.7rc2"
#define PNG_LIBPNG_VER_STRING "1.0.7"
#define PNG_LIBPNG_VER_SONUM 2
@ -251,7 +258,7 @@
#define PNG_LIBPNG_VER_RELEASE 7
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
#define PNG_LIBPNG_VER_BUILD 2
#define PNG_LIBPNG_VER_BUILD 0
/* Careful here. At one time, Guy wanted to use 082, but that would be octal.
* We must not include leading zeros.
@ -1140,9 +1147,9 @@ struct png_struct_def
};
/* This prevents a compiler error in png_get_copyright() in png.c if png.c
and png.h are both at * version 1.0.7rc2
and png.h are both at * version 1.0.7
*/
typedef png_structp version_1_0_7rc2;
typedef png_structp version_1_0_7;
typedef png_struct FAR * FAR * png_structpp;
@ -2161,7 +2168,7 @@ extern PNG_EXPORT(png_charp,png_get_header_version) PNGARG((png_structp png_ptr)
extern PNG_EXPORT(png_charp,png_get_libpng_ver) PNGARG((png_structp png_ptr));
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.0.7rc2 - June 28, 2000 (header)\n"
" libpng version 1.0.7 - July 1, 2000 (header)\n"
#ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
/* With these routines we avoid an integer divide, which will be slower on

2
pngasmrd.h
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@ -1,6 +1,6 @@
/* pngasmrd.h - assembler version of utilities to read a PNG file
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1999, 2000 Glenn Randers-Pehrson
*

4
pngconf.h
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@ -1,6 +1,6 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -640,7 +640,7 @@ defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
# define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
# endif
#endif
#if !defined (PNG_NO_READ_USER_CHUNKS) && \
#if !defined(PNG_NO_READ_USER_CHUNKS) && \
defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
# define PNG_READ_USER_CHUNKS_SUPPORTED
# define PNG_USER_CHUNKS_SUPPORTED

2
pngerror.c
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@ -1,7 +1,7 @@
/* pngerror.c - stub functions for i/o and memory allocation
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

4
pnggccrd.c
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@ -6,7 +6,7 @@
* and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
* for Intel's performance analysis of the MMX vs. non-MMX code.
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* Copyright (c) 1998, Intel Corporation
@ -146,7 +146,7 @@ static const int png_pass_width[7] = {8, 4, 4, 2, 2, 1, 1};
// djgpp and Win32 add their own underscores to global variables,
// so define them without:
#if (defined __DJGPP__) || defined (WIN32)
#if defined(__DJGPP__) || defined(WIN32)
# define _unmask unmask
# define _const4 const4
# define _const6 const6

2
pngget.c
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@ -1,7 +1,7 @@
/* pngget.c - retrieval of values from info struct
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngmem.c
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@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngpread.c
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@ -1,7 +1,7 @@
/* pngpread.c - read a png file in push mode
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

6
pngread.c
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@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -697,7 +697,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
* not called png_set_interlace_handling(), the display_row buffer will
* be ignored, so pass NULL to it.
*
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.7rc2
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.7
*/
void PNGAPI
@ -746,7 +746,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
* only call this function once. If you desire to have an image for
* each pass of a interlaced image, use png_read_rows() instead.
*
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.7rc2
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.7
*/
void PNGAPI
png_read_image(png_structp png_ptr, png_bytepp image)

2
pngrio.c
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@ -1,7 +1,7 @@
/* pngrio.c - functions for data input
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngrtran.c
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@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngrutil.c
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@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngset.c
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@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

4
pngtest.c
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@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -1392,4 +1392,4 @@ main(int argc, char *argv[])
}
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_0_7rc2 your_png_h_is_not_version_1_0_7rc2;
typedef version_1_0_7 your_png_h_is_not_version_1_0_7;

2
pngtrans.c
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@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngvcrd.c
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@ -2,7 +2,7 @@
*
* For Intel x86 CPU and Microsoft Visual C++ compiler
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* Copyright (c) 1998, Intel Corporation

2
pngwio.c
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@ -1,7 +1,7 @@
/* pngwio.c - functions for data output
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngwrite.c
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@ -1,7 +1,7 @@
/* pngwrite.c - general routines to write a PNG file
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngwtran.c
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@ -1,7 +1,7 @@
/* pngwtran.c - transforms the data in a row for PNG writers
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngwutil.c
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@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
* libpng 1.0.7rc2 - June 28, 2000
* libpng 1.0.7 - July 1, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
scripts/makefile.bc32
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@ -3,7 +3,7 @@
# To build the library, do:
# "make -fmakefile.bc32"
#
# ---------- 32-bit Borland C++ ----------
# -------------------- 32-bit Borland C++ --------------------
### Absolutely necessary for this makefile to work
.AUTODEPEND

2
scripts/makefile.bd32
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@ -1,5 +1,5 @@
# Makefile for png32bd.dll
# ------------- 32-bit Borland C++ -------------
# -------------------- 32-bit Borland C++ --------------------
# This makefile expects to find zlib.h and zlib32bd.lib in the
# $(ZLIBDIR) directory.

2
scripts/makefile.beos
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@ -31,7 +31,7 @@ RANLIB=ranlib
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
# have to change it.
PNGMAJ = 2
PNGMIN = 1.0.7rc2
PNGMIN = 1.0.7
PNGVER = $(PNGMAJ).$(PNGMIN)
# where make install puts libpng.a, libpng.so*, and png.h

2
scripts/makefile.dec
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@ -14,7 +14,7 @@ ZLIBINC=../zlib
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
# have to change it.
PNGMAJ = 2
PNGMIN = 1.0.7rc2
PNGMIN = 1.0.7
PNGVER = $(PNGMAJ).$(PNGMIN)
CC=cc

2
scripts/makefile.gcmmx
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@ -34,7 +34,7 @@ RANLIB=ranlib
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
# have to change it.
PNGMAJ = 2
PNGMIN = 1.0.7rc2
PNGMIN = 1.0.7
PNGVER = $(PNGMAJ).$(PNGMIN)
INCPATH=$(prefix)/include

2
scripts/makefile.linux
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@ -34,7 +34,7 @@ RANLIB=ranlib
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
# have to change it.
PNGMAJ = 2
PNGMIN = 1.0.7rc2
PNGMIN = 1.0.7
PNGVER = $(PNGMAJ).$(PNGMIN)
INCPATH=$(prefix)/include

2
scripts/makefile.msc
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@ -3,7 +3,7 @@
# For conditions of distribution and use, see copyright notice in png.h
# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib
# -------- Microsoft C 5.1 and later, does not use assembler code -----
# -------- Microsoft C 5.1 and later, does not use assembler code --------
MODEL=L
CFLAGS=-Oait -Gs -nologo -W3 -A$(MODEL) -I..\zlib
#-Ox generates bad code with MSC 5.1

2
scripts/makefile.sco
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@ -25,7 +25,7 @@ RANLIB=echo
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
# have to change it.
PNGMAJ = 2
PNGMIN = 1.0.7rc2
PNGMIN = 1.0.7
PNGVER = $(PNGMAJ).$(PNGMIN)
INCPATH=$(prefix)/include

4
scripts/makefile.sggcc
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@ -19,8 +19,8 @@ CFLAGS=-I$(ZLIBINC) -O2 $(WARNMORE) -fPIC -mabi=n32 # -g -DPNG_DEBUG=5
LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
LDSHARED=gcc -shared
VER=1.0.7rc2
LIBS=libpng.so.1.0.7rc2
VER=1.0.7
LIBS=libpng.so.1.0.7
SHAREDLIB=libpng.so
libdir=$(prefix)/lib32

2
scripts/makefile.solaris
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@ -31,7 +31,7 @@ RANLIB=echo
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
# have to change it.
PNGMAJ = 2
PNGMIN = 1.0.7rc2
PNGMIN = 1.0.7
PNGVER = $(PNGMAJ).$(PNGMIN)
INCPATH=$(prefix)/include

2
scripts/makefile.tc3
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@ -3,7 +3,7 @@
# To use, do "make -fmakefile.tc3"
# ------ Turbo C 3.00 (can be modified to work with earlier versions) -----
# ----- Turbo C 3.00 (can be modified to work with earlier versions) -----
MODEL=l
CFLAGS=-O2 -Z -m$(MODEL) -I..\zlib

2
scripts/makefile.vcawin32
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@ -4,7 +4,7 @@
# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib
# To use, do "nmake /f scripts\makefile.vcawin32"
# ---------- Microsoft Visual C++ 5.0 and later, uses assembler code ------
# -------- Microsoft Visual C++ 5.0 and later, uses assembler code --------
# Caution: the assembler code was introduced at libpng version 1.0.4 and has
# not yet been thoroughly tested.

2
scripts/makefile.vcwin32
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@ -4,7 +4,7 @@
# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib
# To use, do "nmake /f scripts\makefile.vcwin32"
# ---------- Microsoft Visual C++ 4.0 and later, no assembler code ------
# -------- Microsoft Visual C++ 4.0 and later, no assembler code --------
# If you want to use assembler code, use makefile.vcawin32 instead.
CFLAGS= -Ox -GA3s -nologo -W3 -I..\zlib

2
scripts/pngdef.pas
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@ -5,7 +5,7 @@ unit pngdef;
interface
const
PNG_LIBPNG_VER_STRING = '1.0.7rc2';
PNG_LIBPNG_VER_STRING = '1.0.7';
PNG_LIBPNG_VER = 10007;
type