Imported from libpng-1.2.8rc1.tar
This commit is contained in:
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14
ANNOUNCE
14
ANNOUNCE
@ -1,5 +1,5 @@
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Libpng 1.2.8beta5 - November 20, 2004
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Libpng 1.2.8rc1 - November 24, 2004
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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@ -30,10 +30,16 @@ version 1.2.8beta5 [November 20, 2004]
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compatibility.
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Revised handling of SPECIALBUILD, PRIVATEBUILD,
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PNG_LIBPNG_BUILD_SPECIAL_STRING and PNG_LIBPNG_BUILD_PRIVATE_STRING.
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version 1.2.8rc1 [November 24, 2004]
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Moved handling of BUILD macros from pngconf.h to png.h
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Added definition of PNG_LIBPNG_BASE_TYPE in png.h, inadvertently
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omitted from beta5.
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Revised scripts/pngw32.rc
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Despammed mailing addresses by masking "@" with "at".
|
||||
|
||||
Send comments/corrections/commendations to
|
||||
png-implement@ccrc.wustl.edu (subscription required; write to
|
||||
majordomo@ccrc.wustl.edu with "subscribe png-implement" in the message)
|
||||
or to glennrp@users.sourceforge.net
|
||||
png-implement at ccrc.wustl.edu (subscription required; write to
|
||||
majordomo at ccrc.wustl.edu with "subscribe png-implement" in the message)
|
||||
or to glennrp at users.sourceforge.net
|
||||
|
||||
Glenn R-P
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|
12
CHANGES
12
CHANGES
@ -1388,10 +1388,16 @@ version 1.2.8beta5 [November 20, 2004]
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compatibility.
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Revised handling of SPECIALBUILD, PRIVATEBUILD,
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PNG_LIBPNG_BUILD_SPECIAL_STRING and PNG_LIBPNG_BUILD_PRIVATE_STRING.
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version 1.2.8rc1 [November 24, 2004]
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Moved handling of BUILD macros from pngconf.h to png.h
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Added definition of PNG_LIBPNG_BASE_TYPE in png.h, inadvertently
|
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omitted from beta5.
|
||||
Revised scripts/pngw32.rc
|
||||
Despammed mailing addresses by masking "@" with "at".
|
||||
|
||||
Send comments/corrections/commendations to
|
||||
png-implement@ccrc.wustl.edu (subscription required; write to
|
||||
majordomo@ccrc.wustl.edu with "subscribe png-implement" in the message)
|
||||
or to glennrp@users.sourceforge.net
|
||||
png-implement at ccrc.wustl.edu (subscription required; write to
|
||||
majordomo at ccrc.wustl.edu with "subscribe png-implement" in the message)
|
||||
or to glennrp at users.sourceforge.net
|
||||
|
||||
Glenn R-P
|
||||
|
14
INSTALL
14
INSTALL
@ -1,5 +1,5 @@
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Installing libpng version 1.2.8beta5 - November 20, 2004
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Installing libpng version 1.2.8rc1 - November 24, 2004
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Before installing libpng, you must first install zlib. zlib
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can usually be found wherever you got libpng. zlib can be
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@ -10,7 +10,7 @@ zlib.h and zconf.h include files that correspond to the
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version of zlib that's installed.
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You can rename the directories that you downloaded (they
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might be called "libpng-1.2.8beta5" or "lpng109" and "zlib-1.2.1"
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might be called "libpng-1.2.8rc1" or "lpng109" and "zlib-1.2.1"
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or "zlib121") so that you have directories called "zlib" and "libpng".
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Your directory structure should look like this:
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@ -67,9 +67,9 @@ include
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makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
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makefile.linux => Linux/ELF makefile
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(gcc, creates libpng12.so.0.1.2.8beta5)
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(gcc, creates libpng12.so.0.1.2.8rc1)
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makefile.gcmmx => Linux/ELF makefile
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(gcc, creates libpng12.so.0.1.2.8beta5,
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(gcc, creates libpng12.so.0.1.2.8rc1,
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uses assembler code tuned for Intel MMX platform)
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makefile.gcc => Generic makefile (gcc, creates static libpng.a)
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makefile.knr => Archaic UNIX Makefile that converts files with
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@ -92,12 +92,12 @@ include
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makefile.openbsd => OpenBSD makefile
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makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
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makefile.sggcc => Silicon Graphics (gcc,
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creates libpng12.so.0.1.2.8beta5)
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creates libpng12.so.0.1.2.8rc1)
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makefile.sunos => Sun makefile
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makefile.solaris => Solaris 2.X makefile (gcc,
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creates libpng12.so.0.1.2.8beta5)
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creates libpng12.so.0.1.2.8rc1)
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makefile.so9 => Solaris 9 makefile (gcc,
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creates libpng12.so.0.1.2.8beta5)
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creates libpng12.so.0.1.2.8rc1)
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makefile.32sunu => Sun Ultra 32-bit makefile
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makefile.64sunu => Sun Ultra 64-bit makefile
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makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
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|
2
KNOWNBUG
2
KNOWNBUG
@ -1,5 +1,5 @@
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Known bugs in libpng version 1.2.8beta5
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Known bugs in libpng version 1.2.8rc1
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1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when
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reading interlaced PNG files, when assembler code is enabled but running
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|
6
LICENSE
6
LICENSE
@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
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If you modify libpng you may insert additional notices immediately following
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this sentence.
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libpng version 1.2.6, November 20, 2004, is
|
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libpng version 1.2.6, November 24, 2004, is
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Copyright (c) 2004 Glenn Randers-Pehrson, and is
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distributed according to the same disclaimer and license as libpng-1.2.5
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with the following individual added to the list of Contributing Authors
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@ -105,5 +105,5 @@ Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
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certification mark of the Open Source Initiative.
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Glenn Randers-Pehrson
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glennrp@users.sourceforge.net
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November 20, 2004
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glennrp at users.sourceforge.net
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November 24, 2004
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28
README
28
README
@ -1,4 +1,4 @@
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README for libpng version 1.2.8beta5 - November 20, 2004 (shared library 12.0)
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README for libpng version 1.2.8rc1 - November 24, 2004 (shared library 12.0)
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See the note about version numbers near the top of png.h
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See INSTALL for instructions on how to install libpng.
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@ -103,17 +103,17 @@ fix. Please mention "libpng" somewhere in the subject line. Thanks.
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This release was created and will be supported by myself (of course
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based in a large way on Guy's and Andreas' earlier work), and the PNG group.
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|
||||
glennrp@users.sourceforge.net
|
||||
png-implement@ccrc.wustl.edu (subscription required; write to
|
||||
majordomo@ccrc.wustl.edu with "subscribe png-implement" in the message).
|
||||
glennrp at users.sourceforge.net
|
||||
png-implement at ccrc.wustl.edu (subscription required; write to
|
||||
majordomo at ccrc.wustl.edu with "subscribe png-implement" in the message).
|
||||
|
||||
You can't reach Guy, the original libpng author, at the addresses
|
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given in previous versions of this document. He and Andreas will read mail
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addressed to the png-implement list, however.
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||||
|
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Please do not send general questions about PNG. Send them to
|
||||
the (png-list@ccrc.wustl.edu, subscription required, write to
|
||||
majordomo@ccrc.wustl.edu with "subscribe png-list" in your message).
|
||||
the (png-list at ccrc.wustl.edu, subscription required, write to
|
||||
majordomo at ccrc.wustl.edu with "subscribe png-list" in your message).
|
||||
On the other hand,
|
||||
please do not send libpng questions to that address, send them to me
|
||||
or to the png-implement list. I'll
|
||||
@ -189,9 +189,9 @@ Files in this distribution:
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descrip.mms => VMS makefile for MMS or MMK
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makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
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makefile.linux => Linux/ELF makefile
|
||||
(gcc, creates libpng12.so.0.1.2.8beta5)
|
||||
(gcc, creates libpng12.so.0.1.2.8rc1)
|
||||
makefile.gcmmx => Linux/ELF makefile
|
||||
(gcc, creates libpng12.so.0.1.2.8beta5,
|
||||
(gcc, creates libpng12.so.0.1.2.8rc1,
|
||||
uses assembler code tuned for Intel MMX platform)
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||||
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
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makefile.knr => Archaic UNIX Makefile that converts files with
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@ -213,12 +213,12 @@ Files in this distribution:
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makefile.openbsd => OpenBSD makefile
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||||
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
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makefile.sggcc => Silicon Graphics
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||||
(gcc, creates libpng12.so.0.1.2.8beta5)
|
||||
(gcc, creates libpng12.so.0.1.2.8rc1)
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makefile.sunos => Sun makefile
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makefile.solaris => Solaris 2.X makefile
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||||
(gcc, creates libpng12.so.0.1.2.8beta5)
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(gcc, creates libpng12.so.0.1.2.8rc1)
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makefile.so9 => Solaris 9 makefile
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(gcc, creates libpng12.so.0.1.2.8beta5)
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(gcc, creates libpng12.so.0.1.2.8rc1)
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makefile.32sunu => Sun Ultra 32-bit makefile
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makefile.64sunu => Sun Ultra 64-bit makefile
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makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
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@ -249,12 +249,12 @@ Files in this distribution:
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Good luck, and happy coding.
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-Glenn Randers-Pehrson (current maintainer)
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Internet: glennrp@users.sourceforge.net
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Internet: glennrp at users.sourceforge.net
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-Andreas Eric Dilger (former maintainer, 1996-1997)
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Internet: adilger@enel.ucalgary.ca
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Internet: adilger at enel.ucalgary.ca
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Web: http://www-mddsp.enel.ucalgary.ca/People/adilger/
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-Guy Eric Schalnat (original author and former maintainer, 1995-1996)
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(formerly of Group 42, Inc)
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Internet: gschal@infinet.com
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Internet: gschal at infinet.com
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|
4
Y2KINFO
4
Y2KINFO
@ -1,13 +1,13 @@
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Y2K compliance in libpng:
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=========================
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November 20, 2004
|
||||
November 24, 2004
|
||||
|
||||
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 1.2.8beta5 are Y2K compliant. It is my belief that earlier
|
||||
upward through 1.2.8rc1 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
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|
4
configure
vendored
4
configure
vendored
@ -1,13 +1,13 @@
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#!/bin/sh
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echo "
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There is no \"configure\" script in this distribution of
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libpng-1.2.8beta5.
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libpng-1.2.8rc1.
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||||
Instead, please copy the appropriate makefile for your system from the
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\"scripts\" directory. Read the INSTALL file for more details.
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Update, July 2004: you can get a "configure" based distribution
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from the libpng distribution sites. Download the file
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||||
libpng-1.2.8beta5-config.tar.gz
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libpng-1.2.8rc1-config.tar.gz
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"
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|
32
libpng.3
32
libpng.3
@ -1,6 +1,6 @@
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.TH LIBPNG 3 "November 20, 2004"
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.TH LIBPNG 3 "November 24, 2004"
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.2.8beta5
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libpng \- Portable Network Graphics (PNG) Reference Library 1.2.8rc1
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.SH SYNOPSIS
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\fI\fB
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|
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@ -781,9 +781,9 @@ Following is a copy of the libpng.txt file that accompanies libpng.
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.SH LIBPNG.TXT
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libpng.txt - A description on how to use and modify libpng
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libpng version 1.2.8beta5 - November 20, 2004
|
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libpng version 1.2.8rc1 - November 24, 2004
|
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Updated and distributed by Glenn Randers-Pehrson
|
||||
<glennrp@users.sourceforge.net>
|
||||
<glennrp at users.sourceforge.net>
|
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Copyright (c) 1998-2004 Glenn Randers-Pehrson
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For conditions of distribution and use, see copyright
|
||||
notice in png.h.
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@ -1704,7 +1704,7 @@ the normalized graylevel is computed:
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The default values approximate those recommended in the Charles
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Poynton's Color FAQ, <http://www.inforamp.net/~poynton/>
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Copyright (c) 1998-01-04 Charles Poynton poynton@inforamp.net
|
||||
Copyright (c) 1998-01-04 Charles Poynton <poynton at inforamp.net>
|
||||
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Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
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@ -3685,13 +3685,13 @@ application:
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.SH IX. Y2K Compliance in libpng
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|
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November 20, 2004
|
||||
November 24, 2004
|
||||
|
||||
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 1.2.8beta5 are Y2K compliant. It is my belief that earlier
|
||||
upward through 1.2.8rc1 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
|
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@ -3840,6 +3840,8 @@ the first widely used release:
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1.0.17 10 10017 12.so.0.1.0.17
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1.2.7 13 10207 12.so.0.1.2.7
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1.2.8beta1-5 13 10208 12.so.0.1.2.8beta1-5
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1.0.18rc1 10 10018 12.so.0.1.0.18rc1
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1.2.8rc1 13 10208 12.so.0.1.2.8rc1
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Henceforth the source version will match the shared-library minor
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and patch numbers; the shared-library major version number will be
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@ -3887,7 +3889,7 @@ and this library, the specification takes precedence.
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.SH AUTHORS
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This man page: Glenn Randers-Pehrson
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<glennrp@users.sourceforge.net>
|
||||
<glennrp at users.sourceforge.net>
|
||||
|
||||
The contributing authors would like to thank all those who helped
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with testing, bug fixes, and patience. This wouldn't have been
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@ -3895,14 +3897,14 @@ possible without all of you.
|
||||
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Thanks to Frank J. T. Wojcik for helping with the documentation.
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|
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Libpng version 1.2.8beta5 - November 20, 2004:
|
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Libpng version 1.2.8rc1 - November 24, 2004:
|
||||
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
|
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Currently maintained by Glenn Randers-Pehrson (glennrp@users.sourceforge.net).
|
||||
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
|
||||
|
||||
Supported by the PNG development group
|
||||
.br
|
||||
png-implement@ccrc.wustl.edu (subscription required; write to
|
||||
majordomo@ccrc.wustl.edu with "subscribe png-implement" in the message).
|
||||
png-implement at ccrc.wustl.edu (subscription required; write to
|
||||
majordomo at ccrc.wustl.edu with "subscribe png-implement" in the message).
|
||||
|
||||
.SH COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
|
||||
|
||||
@ -3913,7 +3915,7 @@ included in the libpng distribution, the latter shall prevail.)
|
||||
If you modify libpng you may insert additional notices immediately following
|
||||
this sentence.
|
||||
|
||||
libpng version 1.2.6, November 20, 2004, is
|
||||
libpng version 1.2.6, November 24, 2004, is
|
||||
Copyright (c) 2004 Glenn Randers-Pehrson, and is
|
||||
distributed according to the same disclaimer and license as libpng-1.2.5
|
||||
with the following individual added to the list of Contributing Authors
|
||||
@ -4011,8 +4013,8 @@ Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
|
||||
certification mark of the Open Source Initiative.
|
||||
|
||||
Glenn Randers-Pehrson
|
||||
glennrp@users.sourceforge.net
|
||||
November 20, 2004
|
||||
glennrp at users.sourceforge.net
|
||||
November 24, 2004
|
||||
|
||||
.\" end of man page
|
||||
|
||||
|
10
libpng.txt
10
libpng.txt
@ -1,8 +1,8 @@
|
||||
libpng.txt - A description on how to use and modify libpng
|
||||
|
||||
libpng version 1.2.8beta5 - November 20, 2004
|
||||
libpng version 1.2.8rc1 - November 24, 2004
|
||||
Updated and distributed by Glenn Randers-Pehrson
|
||||
<glennrp@users.sourceforge.net>
|
||||
<glennrp at users.sourceforge.net>
|
||||
Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
For conditions of distribution and use, see copyright
|
||||
notice in png.h.
|
||||
@ -923,7 +923,7 @@ the normalized graylevel is computed:
|
||||
|
||||
The default values approximate those recommended in the Charles
|
||||
Poynton's Color FAQ, <http://www.inforamp.net/~poynton/>
|
||||
Copyright (c) 1998-01-04 Charles Poynton poynton@inforamp.net
|
||||
Copyright (c) 1998-01-04 Charles Poynton <poynton at inforamp.net>
|
||||
|
||||
Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
|
||||
|
||||
@ -2904,13 +2904,13 @@ application:
|
||||
|
||||
IX. Y2K Compliance in libpng
|
||||
|
||||
November 20, 2004
|
||||
November 24, 2004
|
||||
|
||||
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 1.2.8beta5 are Y2K compliant. It is my belief that earlier
|
||||
upward through 1.2.8rc1 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
|
||||
|
@ -1,6 +1,6 @@
|
||||
.TH LIBPNGPF 3 "November 20, 2004"
|
||||
.TH LIBPNGPF 3 "November 24, 2004"
|
||||
.SH NAME
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.8beta5
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.8rc1
|
||||
(private functions)
|
||||
.SH SYNOPSIS
|
||||
\fB\fB#include <png.h>\fP\fP
|
||||
@ -827,7 +827,7 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.8beta5
|
||||
|
||||
\fI\fB
|
||||
|
||||
\fB\fBint png_set_text_2 (png_structp \fP\fI\fP\fIpng_ptr\fP\fB\fP\fB, png_infop \fP\fI\fP\fIinfo_ptr\fP\fB\fP\fB, png_textp \fP\fI\fP\fItext_ptr\fP\fB\fP\fB, int \fI\fInum_text)\fP\fB\fP\fB);\fP\fP
|
||||
\fB\fBint png_set_text_2 (png_structp \fP\fI\fP\fIpng_ptr\fP\fB\fP\fB, png_infop \fP\fI\fP\fIinfo_ptr\fP\fB\fP\fB, png_textp \fP\fI\fP\fItext_ptr\fP\fB\fP\fB, int \fI\fInum_text\fP\fB\fP\fB);\fP\fP
|
||||
|
||||
\fI\fB
|
||||
|
||||
@ -939,7 +939,7 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.8beta5
|
||||
|
||||
\fI\fB
|
||||
|
||||
\fB\fBvoid png_write_iTXt (png_structp \fP\fI\fP\fIpng_ptr\fP\fB\fP\fB, int \fP\fI\fP\fIcompression\fP\fB\fP\fB, png_charp \fP\fI\fP\fIkey\fP\fB\fP\fB, png_charp \fP\fI\fP\fIlang\fP\fB\fP\fB, png_charp \fP\fI\fP\fItranslated_key\fP\fB\fP\fB, png_charp \fI\fItext)\fP\fB\fP\fB);\fP\fP
|
||||
\fB\fBvoid png_write_iTXt (png_structp \fP\fI\fP\fIpng_ptr\fP\fB\fP\fB, int \fP\fI\fP\fIcompression\fP\fB\fP\fB, png_charp \fP\fI\fP\fIkey\fP\fB\fP\fB, png_charp \fP\fI\fP\fIlang\fP\fB\fP\fB, png_charp \fP\fI\fP\fItranslated_key\fP\fB\fP\fB, png_charp \fI\fItext\fP\fB\fP\fB);\fP\fP
|
||||
|
||||
\fI\fB
|
||||
|
||||
|
2
png.5
2
png.5
@ -1,4 +1,4 @@
|
||||
.TH PNG 5 "November 20, 2004"
|
||||
.TH PNG 5 "November 24, 2004"
|
||||
.SH NAME
|
||||
png \- Portable Network Graphics (PNG) format
|
||||
.SH DESCRIPTION
|
||||
|
6
png.c
6
png.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* png.c - location for general purpose libpng functions
|
||||
*
|
||||
* libpng version 1.2.8beta5 - November 20, 2004
|
||||
* libpng version 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -13,7 +13,7 @@
|
||||
#include "png.h"
|
||||
|
||||
/* Generate a compiler error if there is an old png.h in the search path. */
|
||||
typedef version_1_2_8beta5 Your_png_h_is_not_version_1_2_8beta5;
|
||||
typedef version_1_2_8rc1 Your_png_h_is_not_version_1_2_8rc1;
|
||||
|
||||
/* Version information for C files. This had better match the version
|
||||
* string defined in png.h. */
|
||||
@ -680,7 +680,7 @@ png_charp PNGAPI
|
||||
png_get_copyright(png_structp png_ptr)
|
||||
{
|
||||
if (&png_ptr != NULL) /* silence compiler warning about unused png_ptr */
|
||||
return ((png_charp) "\n libpng version 1.2.8beta5 - November 20, 2004\n\
|
||||
return ((png_charp) "\n libpng version 1.2.8rc1 - November 24, 2004\n\
|
||||
Copyright (c) 1998-2004 Glenn Randers-Pehrson\n\
|
||||
Copyright (c) 1996-1997 Andreas Dilger\n\
|
||||
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
|
||||
|
51
png.h
51
png.h
@ -1,6 +1,6 @@
|
||||
/* png.h - header file for PNG reference library
|
||||
*
|
||||
* libpng version 1.2.8beta5 - November 20, 2004
|
||||
* libpng version 1.2.8rc1 - November 24, 2004
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
|
||||
@ -8,7 +8,7 @@
|
||||
* Authors and maintainers:
|
||||
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
|
||||
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
|
||||
* libpng versions 0.97, January 1998, through 1.2.8beta5 - November 20, 2004: Glenn
|
||||
* libpng versions 0.97, January 1998, through 1.2.8rc1 - November 24, 2004: Glenn
|
||||
* See also "Contributing Authors", below.
|
||||
*
|
||||
* Note about libpng version numbers:
|
||||
@ -107,6 +107,8 @@
|
||||
* 1.0.17 10 10017 12.so.0.1.0.17
|
||||
* 1.2.7 13 10207 12.so.0.1.2.7
|
||||
* 1.2.8beta1-5 13 10208 12.so.0.1.2.8beta1-5
|
||||
* 1.0.18rc1 10 10018 12.so.0.1.0.18rc1
|
||||
* 1.2.8rc1 13 10208 12.so.0.1.2.8rc1
|
||||
*
|
||||
* Henceforth the source version will match the shared-library major
|
||||
* and minor numbers; the shared-library major version number will be
|
||||
@ -136,7 +138,7 @@
|
||||
* If you modify libpng you may insert additional notices immediately following
|
||||
* this sentence.
|
||||
*
|
||||
* libpng versions 1.2.6, August 15, 2004, through 1.2.8beta5, November 20, 2004, are
|
||||
* libpng versions 1.2.6, August 15, 2004, through 1.2.8rc1, November 24, 2004, are
|
||||
* Copyright (c) 2004 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:
|
||||
@ -248,13 +250,13 @@
|
||||
* Y2K compliance in libpng:
|
||||
* =========================
|
||||
*
|
||||
* November 20, 2004
|
||||
* November 24, 2004
|
||||
*
|
||||
* 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 1.2.8beta5 are Y2K compliant. It is my belief that earlier
|
||||
* upward through 1.2.8rc1 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
|
||||
@ -310,9 +312,9 @@
|
||||
*/
|
||||
|
||||
/* Version information for png.h - this should match the version in png.c */
|
||||
#define PNG_LIBPNG_VER_STRING "1.2.8beta5"
|
||||
#define PNG_LIBPNG_VER_STRING "1.2.8rc1"
|
||||
#define PNG_HEADER_VERSION_STRING \
|
||||
" libpng version 1.2.8beta5 - November 20, 2004 (header)\n"
|
||||
" libpng version 1.2.8rc1 - November 24, 2004 (header)\n"
|
||||
|
||||
#define PNG_LIBPNG_VER_SONUM 0
|
||||
#define PNG_LIBPNG_VER_DLLNUM 13
|
||||
@ -324,7 +326,7 @@
|
||||
/* This should match the numeric part of the final component of
|
||||
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
|
||||
|
||||
#define PNG_LIBPNG_VER_BUILD 5
|
||||
#define PNG_LIBPNG_VER_BUILD 1
|
||||
|
||||
/* Release Status */
|
||||
#define PNG_LIBPNG_BUILD_ALPHA 1
|
||||
@ -341,6 +343,8 @@
|
||||
#define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
|
||||
PNG_LIBPNG_BUILD_PRIVATE */
|
||||
|
||||
#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_RC
|
||||
|
||||
/* Careful here. At one time, Guy wanted to use 082, but that would be octal.
|
||||
* We must not include leading zeros.
|
||||
* Versions 0.7 through 1.0.0 were in the range 0 to 100 here (only
|
||||
@ -349,13 +353,40 @@
|
||||
#define PNG_LIBPNG_VER 10208 /* 1.2.8 */
|
||||
|
||||
#ifndef PNG_VERSION_INFO_ONLY
|
||||
|
||||
/* include the compression library's header */
|
||||
#include "zlib.h"
|
||||
#endif
|
||||
|
||||
/* include all user configurable info, including optional assembler routines */
|
||||
#include "pngconf.h"
|
||||
|
||||
/*
|
||||
* Added at libpng-1.2.8 */
|
||||
/* Ref MSDN: Private as priority over Special
|
||||
* VS_FF_PRIVATEBUILD File *was not* built using standard release
|
||||
* procedures. If this value is given, the StringFileInfo block must
|
||||
* contain a PrivateBuild string.
|
||||
*
|
||||
* VS_FF_SPECIALBUILD File *was* built by the original company using
|
||||
* standard release procedures but is a variation of the standard
|
||||
* file of the same version number. If this value is given, the
|
||||
* StringFileInfo block must contain a SpecialBuild string.
|
||||
*/
|
||||
|
||||
#if defined(PNG_USER_PRIVATEBUILD)
|
||||
# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE |
|
||||
PNG_LIBPNG_BUILD_PRIVATE
|
||||
#else
|
||||
# if defined(PNG_LIBPNG_SPECIALBUILD)
|
||||
# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE |
|
||||
PNG_LIBPNG_BUILD_SPECIAL
|
||||
# else
|
||||
# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#ifndef PNG_VERSION_INFO_ONLY
|
||||
|
||||
/* Inhibit C++ name-mangling for libpng functions but not for system calls. */
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
@ -1323,7 +1354,7 @@ struct png_struct_def
|
||||
/* This triggers a compiler error in png.c, if png.c and png.h
|
||||
* do not agree upon the version number.
|
||||
*/
|
||||
typedef png_structp version_1_2_8beta5;
|
||||
typedef png_structp version_1_2_8rc1;
|
||||
|
||||
typedef png_struct FAR * FAR * png_structpp;
|
||||
|
||||
|
127
pngconf.h
127
pngconf.h
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngconf.h - machine configurable file for libpng
|
||||
*
|
||||
* libpng version 1.2.8beta5 - November 20, 2004
|
||||
* libpng version 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -17,13 +17,53 @@
|
||||
#ifndef PNGCONF_H
|
||||
#define PNGCONF_H
|
||||
|
||||
#define PNG_1_2_X
|
||||
|
||||
/*
|
||||
* PNG_USER_CONFIG has to be defined on the compiler command line. This
|
||||
* includes the resource compiler for Windows DLL configurations.
|
||||
*/
|
||||
#ifdef PNG_USER_CONFIG
|
||||
#include "pngusr.h"
|
||||
#endif
|
||||
#define PNG_1_2_X
|
||||
|
||||
/* Added at libpng-1.2.8 */
|
||||
#define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BETA
|
||||
/*
|
||||
* Added at libpng-1.2.8
|
||||
*
|
||||
* If you create a private DLL you need to define in "pngusr.h" the followings:
|
||||
* #define PNG_USER_PRIVATEBUILD <Describes by whom and why this version of
|
||||
* the DLL was built>
|
||||
* e.g. #define PNG_USER_PRIVATEBUILD "Build by MyCompany for xyz reasons."
|
||||
* #define PNG_USER_DLLFNAME_POSTFIX <two-letter postfix that serve to
|
||||
* distinguish your DLL from those of the official release. These
|
||||
* correspond to the trailing letters that come after the version
|
||||
* number and must match your private DLL name>
|
||||
* e.g. // private DLL "libpng13gx.dll"
|
||||
* #define PNG_USER_DLLFNAME_POSTFIX "gx"
|
||||
*
|
||||
* The following macros are also at your disposal if you want to complete the
|
||||
* DLL VERSIONINFO structure.
|
||||
* - PNG_USER_VERSIONINFO_COMMENTS
|
||||
* - PNG_USER_VERSIONINFO_COMPANYNAME
|
||||
* - PNG_USER_VERSIONINFO_LEGALTRADEMARKS
|
||||
*/
|
||||
|
||||
#ifdef __STDC__
|
||||
#ifdef SPECIALBUILD
|
||||
# pragma message("PNG_LIBPNG_SPECIALBUILD (and deprecated SPECIALBUILD)\
|
||||
are now LIBPNG reserved macros. Use PNG_USER_PRIVATEBUILD instead.")
|
||||
#endif
|
||||
|
||||
#ifdef PRIVATEBUILD
|
||||
# pragma message("PRIVATEBUILD is deprecated. Use\
|
||||
PNG_USER_PRIVATEBUILD instead.")
|
||||
# define PNG_USER_PRIVATEBUILD PRIVATEBUILD
|
||||
#endif
|
||||
#endif /* __STDC__ */
|
||||
|
||||
#ifndef PNG_VERSION_INFO_ONLY
|
||||
|
||||
/* End of material added to libpng-1.2.8 */
|
||||
|
||||
/* This is the size of the compression buffer, and thus the size of
|
||||
* an IDAT chunk. Make this whatever size you feel is best for your
|
||||
@ -1125,6 +1165,9 @@ typedef double FAR * FAR * png_doublepp;
|
||||
/* Pointers to pointers to pointers; i.e., pointer to array */
|
||||
typedef char FAR * FAR * FAR * png_charppp;
|
||||
|
||||
#if defined(PNG_1_0_X) || defined(PNG_1_2_X)
|
||||
/* SPC - Is this stuff deprecated? */
|
||||
/* It'll be removed as of libpng-1.3.0 - GR-P */
|
||||
/* libpng typedefs for types in zlib. If zlib changes
|
||||
* or another compression library is used, then change these.
|
||||
* Eliminates need to change all the source files.
|
||||
@ -1132,6 +1175,7 @@ typedef char FAR * FAR * FAR * png_charppp;
|
||||
typedef charf * png_zcharp;
|
||||
typedef charf * FAR * png_zcharpp;
|
||||
typedef z_stream FAR * png_zstreamp;
|
||||
#endif /* (PNG_1_0_X) || defined(PNG_1_2_X) */
|
||||
|
||||
/*
|
||||
* Define PNG_BUILD_DLL if the module being built is a Windows
|
||||
@ -1376,78 +1420,7 @@ typedef z_stream FAR * png_zstreamp;
|
||||
#endif /* PNG_INTERNAL */
|
||||
#endif /* PNG_READ_SUPPORTED */
|
||||
|
||||
/*
|
||||
* Added at libpng-1.2.8
|
||||
*
|
||||
* Can define PNG_LIBPNG_BUILD_TYPE using only the following:
|
||||
* PNG_LIBPNG_BUILD_PRIVATE (including DLLFNAME_POSTFIX and
|
||||
* PNG_LIBPNG_BUILD_PRIVATE_STRING)
|
||||
*
|
||||
* Ref MSDN
|
||||
* VS_FF_PRIVATEBUILD File was ****not built using standard release****
|
||||
* procedures. If this value is given, the StringFileInfo block must
|
||||
* contain a PrivateBuild string.
|
||||
*
|
||||
* VS_FF_SPECIALBUILD File was built by the original company *****using
|
||||
* standard release procedures***** but is a variation of the standard
|
||||
* file of the same version number. If this value is given, the
|
||||
* StringFileInfo block must contain a SpecialBuild string.
|
||||
*/
|
||||
|
||||
#ifndef PNG_LIBPNG_BUILD_TYPE
|
||||
# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE
|
||||
#else
|
||||
# define PNG_LIBPNG_BUILD_TYPE_SAVE (PNG_LIBPNG_BUILD_TYPE & \
|
||||
PNG_LIBPNG_BUILD_PRIVATE)
|
||||
# undef PNG_LIBPNG_BUILD_TYPE
|
||||
# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE | \
|
||||
PNG_LIBPNG_BUILD_TYPE_SAVE
|
||||
# undef PNG_LIBPNG_BUILD_TYPE_SAVE
|
||||
#endif
|
||||
|
||||
#undef PNG_LIBPNG_BUILD_BASE_TYPE
|
||||
|
||||
/* Private as priority over Special */
|
||||
#if ((PNG_LIBPNG_BUILD_TYPE & (PNG_LIBPNG_BUILD_PRIVATE | \
|
||||
PNG_LIBPNG_BUILD_SPECIAL)) == (PNG_LIBPNG_BUILD_PRIVATE | \
|
||||
PNG_LIBPNG_BUILD_SPECIAL))
|
||||
# define PNG_LIBPNG_BUILD_TYPE_SAVE PNG_LIBPNG_BUILD_TYPE
|
||||
# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_TYPE_SAVE & \
|
||||
~PNG_LIBPNG_BUILD_SPECIAL
|
||||
# undef PNG_LIBPNG_BUILD_TYPE_SAVE
|
||||
#endif
|
||||
|
||||
/* Verify if PNG_LIBPNG_BUILD_PRIVATE_STRING is defined if PNG_LIBPNG_BUILD_PRIVATE is set */
|
||||
#if (PNG_LIBPNG_BUILD_TYPE & PNG_LIBPNG_BUILD_PRIVATE)
|
||||
/*
|
||||
* PRIVATEBUILD is deprecated. Use PNG_LIBPNG_BUILD_PRIVATE_STRING instead.
|
||||
*/
|
||||
# if defined(PRIVATEBUILD) && !defined(PNG_LIBPNG_BUILD_PRIVATE_STRING)
|
||||
# define PNG_LIBPNG_BUILD_PRIVATE_STRING PRIVATEBUILD
|
||||
# else
|
||||
# if !defined(PNG_LIBPNG_BUILD_PRIVATE_STRING)
|
||||
# error "PNG_LIBPNG_BUILD_PRIVATE_STRING must be defined if \
|
||||
PNG_LIBPNG_BUILD_PRIVATE set"
|
||||
# endif
|
||||
# endif
|
||||
/* Verify if PNG_LIBPNG_BUILD_SPECIAL_STRING is defined \
|
||||
if PNG_LIBPNG_BUILD_SPECIAL is set */
|
||||
#else
|
||||
# if (PNG_LIBPNG_BUILD_TYPE & PNG_LIBPNG_BUILD_SPECIAL)
|
||||
/*
|
||||
* SPECIALBUILD is deprecated. Use PNG_LIBPNG_BUILD_SPECIAL_STRING instead.
|
||||
*/
|
||||
# if defined(SPECIALBUILD) && !defined(PNG_LIBPNG_BUILD_SPECIAL_STRING)
|
||||
# define PNG_LIBPNG_BUILD_SPECIAL_STRING SPECIALBUILD
|
||||
# else
|
||||
# if !defined(PNG_LIBPNG_BUILD_SPECIAL_STRING)
|
||||
# error "PNG_LIBPNG_BUILD_SPECIAL_STRING must be defined \
|
||||
if PNG_LIBPNG_BUILD_SPECIAL is set"
|
||||
# endif
|
||||
# endif
|
||||
# endif
|
||||
#endif
|
||||
/* End of material added to libpng-1.2.8 */
|
||||
/* Added at libpng-1.2.8 */
|
||||
#endif /* PNG_VERSION_INFO_ONLY */
|
||||
|
||||
#endif /* PNGCONF_H */
|
||||
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngerror.c - stub functions for i/o and memory allocation
|
||||
*
|
||||
* libpng version 1.2.8beta5 - November 20, 2004
|
||||
* libpng version 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -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 version 1.2.8beta5 - November 20, 2004
|
||||
* libpng version 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998, Intel Corporation
|
||||
@ -4998,7 +4998,7 @@ png_read_filter_row_mmx_up(png_row_infop row_info, png_bytep row,
|
||||
"jz up_end \n\t"
|
||||
|
||||
"cmpl $8, %%edx \n\t" // test for less than 8 bytes
|
||||
"jb up_lt8 \n\t" // [added by lcreeve@netins.net]
|
||||
"jb up_lt8 \n\t" // [added by lcreeve at netins.net]
|
||||
|
||||
"addl %%edx, %%ecx \n\t"
|
||||
"andl $0x00000007, %%edx \n\t" // calc bytes over mult of 8
|
||||
|
2
pngget.c
2
pngget.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngget.c - retrieval of values from info struct
|
||||
*
|
||||
* libpng 1.2.8beta5 - November 20, 2004
|
||||
* libpng 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
2
pngmem.c
2
pngmem.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngmem.c - stub functions for memory allocation
|
||||
*
|
||||
* libpng version 1.2.8beta5 - November 20, 2004
|
||||
* libpng version 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngpread.c - read a png file in push mode
|
||||
*
|
||||
* libpng version 1.2.8beta5 - November 20, 2004
|
||||
* libpng version 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngread.c - read a PNG file
|
||||
*
|
||||
* libpng 1.2.8beta5 - November 20, 2004
|
||||
* libpng 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -805,7 +805,7 @@ 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 1.2.8beta5
|
||||
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.8rc1
|
||||
*/
|
||||
|
||||
void PNGAPI
|
||||
@ -855,7 +855,7 @@ 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 1.2.8beta5
|
||||
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.8rc1
|
||||
*/
|
||||
void PNGAPI
|
||||
png_read_image(png_structp png_ptr, png_bytepp image)
|
||||
|
2
pngrio.c
2
pngrio.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngrio.c - functions for data input
|
||||
*
|
||||
* libpng 1.2.8beta5 - November 20, 2004
|
||||
* libpng 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngrtran.c - transforms the data in a row for PNG readers
|
||||
*
|
||||
* libpng version 1.2.8beta5 - November 20, 2004
|
||||
* libpng version 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -2104,7 +2104,7 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row)
|
||||
/* reduce RGB files to grayscale, with or without alpha
|
||||
* using the equation given in Poynton's ColorFAQ at
|
||||
* <http://www.inforamp.net/~poynton/>
|
||||
* Copyright (c) 1998-01-04 Charles Poynton poynton@inforamp.net
|
||||
* Copyright (c) 1998-01-04 Charles Poynton poynton at inforamp.net
|
||||
*
|
||||
* Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
|
||||
*
|
||||
|
631
pngrutil.c
631
pngrutil.c
@ -1,6 +1,6 @@
|
||||
/* pngrutil.c - utilities to read a PNG file
|
||||
*
|
||||
* libpng version 1.2.8beta5 - November 20, 2004
|
||||
* libpng version 1.2.8rc1 - November 24, 2004
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -2260,59 +2260,46 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined(PNG_READ_PACKSWAP_SUPPORTED)
|
||||
static const png_byte bitrev[16] =
|
||||
{0x00, 0x08, 0x04, 0x0C, 0x02, 0x0A, 0x06, 0x0E,
|
||||
0x01, 0x09, 0x05, 0x0D, 0x03, 0x0B, 0x07, 0x0F};
|
||||
static const png_byte lastbyte_mask_norm[8] =
|
||||
{0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE};
|
||||
static const png_byte lastbyte_mask_swap[8] =
|
||||
{0x00, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F};
|
||||
const png_byte *lastbyte_mask =
|
||||
(png_ptr->transformations & PNG_PACKSWAP) ?
|
||||
lastbyte_mask_swap : lastbyte_mask_norm;
|
||||
#else
|
||||
static const png_byte lastbyte_mask[8] =
|
||||
{0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE};
|
||||
#endif
|
||||
switch (png_ptr->row_info.pixel_depth)
|
||||
{
|
||||
case 1:
|
||||
{
|
||||
png_bytep sp = png_ptr->row_buf + 1;
|
||||
png_bytep dp = row;
|
||||
int s_inc, s_start, s_end;
|
||||
int m = 0x80;
|
||||
int shift;
|
||||
png_uint_32 i;
|
||||
png_uint_32 row_width = png_ptr->width;
|
||||
png_byte pixel_mask;
|
||||
|
||||
#if defined(PNG_READ_PACKSWAP_SUPPORTED)
|
||||
if (png_ptr->transformations & PNG_PACKSWAP)
|
||||
{
|
||||
s_start = 0;
|
||||
s_end = 7;
|
||||
s_inc = 1;
|
||||
}
|
||||
else
|
||||
mask = (bitrev[mask & 0x0F] << 4) | bitrev[(mask >> 4) & 0x0F];
|
||||
#endif
|
||||
pixel_mask = (png_byte)mask;
|
||||
|
||||
for (i = png_ptr->width; i >= 8; i -= 8)
|
||||
{
|
||||
s_start = 7;
|
||||
s_end = 0;
|
||||
s_inc = -1;
|
||||
*dp = (*sp & pixel_mask) | (*dp & ~pixel_mask);
|
||||
sp++;
|
||||
dp++;
|
||||
}
|
||||
|
||||
shift = s_start;
|
||||
|
||||
for (i = 0; i < row_width; i++)
|
||||
if (i > 0)
|
||||
{
|
||||
if (m & mask)
|
||||
{
|
||||
int value;
|
||||
|
||||
value = (*sp >> shift) & 0x01;
|
||||
*dp &= (png_byte)((0x7f7f >> (7 - shift)) & 0xff);
|
||||
*dp |= (png_byte)(value << shift);
|
||||
}
|
||||
|
||||
if (shift == s_end)
|
||||
{
|
||||
shift = s_start;
|
||||
sp++;
|
||||
dp++;
|
||||
}
|
||||
else
|
||||
shift += s_inc;
|
||||
|
||||
if (m == 1)
|
||||
m = 0x80;
|
||||
else
|
||||
m >>= 1;
|
||||
pixel_mask &= lastbyte_mask[i];
|
||||
*dp = (*sp & pixel_mask) | (*dp & ~pixel_mask);
|
||||
}
|
||||
break;
|
||||
}
|
||||
@ -2320,51 +2307,40 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
{
|
||||
png_bytep sp = png_ptr->row_buf + 1;
|
||||
png_bytep dp = row;
|
||||
int s_start, s_end, s_inc;
|
||||
int m = 0x80;
|
||||
int shift;
|
||||
png_uint_32 i;
|
||||
png_uint_32 row_width = png_ptr->width;
|
||||
int value;
|
||||
png_byte pixel_mask[2];
|
||||
int m = 0x80;
|
||||
int j;
|
||||
|
||||
#if defined(PNG_READ_PACKSWAP_SUPPORTED)
|
||||
if (png_ptr->transformations & PNG_PACKSWAP)
|
||||
{
|
||||
s_start = 0;
|
||||
s_end = 6;
|
||||
s_inc = 2;
|
||||
}
|
||||
else
|
||||
mask = bitrev[mask & 0x0F] | (bitrev[(mask >> 4) & 0x0F] << 4);
|
||||
#endif
|
||||
for (j = 0; j < 2; j++)
|
||||
{
|
||||
s_start = 6;
|
||||
s_end = 0;
|
||||
s_inc = -2;
|
||||
}
|
||||
|
||||
shift = s_start;
|
||||
|
||||
for (i = 0; i < row_width; i++)
|
||||
{
|
||||
if (m & mask)
|
||||
pixel_mask[j] = 0;
|
||||
for (i = 4; i > 0; i--)
|
||||
{
|
||||
value = (*sp >> shift) & 0x03;
|
||||
*dp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff);
|
||||
*dp |= (png_byte)(value << shift);
|
||||
}
|
||||
|
||||
if (shift == s_end)
|
||||
{
|
||||
shift = s_start;
|
||||
sp++;
|
||||
dp++;
|
||||
}
|
||||
else
|
||||
shift += s_inc;
|
||||
if (m == 1)
|
||||
m = 0x80;
|
||||
else
|
||||
pixel_mask[j] <<= 2;
|
||||
if (m & mask)
|
||||
pixel_mask[j] |= 0x03;
|
||||
m >>= 1;
|
||||
}
|
||||
}
|
||||
j = 0;
|
||||
for (i = png_ptr->width; i >= 4; i -= 4)
|
||||
{
|
||||
if (pixel_mask[j] != 0)
|
||||
*dp = (*sp & pixel_mask[j]) | (*dp & ~pixel_mask[j]);
|
||||
sp++;
|
||||
dp++;
|
||||
j ^= 1;
|
||||
}
|
||||
if (i > 0)
|
||||
{
|
||||
pixel_mask[j] &= lastbyte_mask[i * 2];
|
||||
if (pixel_mask[j] != 0)
|
||||
*dp = (*sp & pixel_mask[j]) | (*dp & ~pixel_mask[j]);
|
||||
}
|
||||
break;
|
||||
}
|
||||
@ -2372,50 +2348,41 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
{
|
||||
png_bytep sp = png_ptr->row_buf + 1;
|
||||
png_bytep dp = row;
|
||||
int s_start, s_end, s_inc;
|
||||
int m = 0x80;
|
||||
int shift;
|
||||
png_uint_32 i;
|
||||
png_uint_32 row_width = png_ptr->width;
|
||||
int value;
|
||||
png_byte pixel_mask[4];
|
||||
int m = 0x80;
|
||||
int j;
|
||||
|
||||
#if defined(PNG_READ_PACKSWAP_SUPPORTED)
|
||||
if (png_ptr->transformations & PNG_PACKSWAP)
|
||||
{
|
||||
s_start = 0;
|
||||
s_end = 4;
|
||||
s_inc = 4;
|
||||
}
|
||||
else
|
||||
mask = ((mask & 0x55) << 1) | ((mask & 0xAA) >> 1);
|
||||
#endif
|
||||
for (j = 0; j < 4; j++)
|
||||
{
|
||||
s_start = 4;
|
||||
s_end = 0;
|
||||
s_inc = -4;
|
||||
}
|
||||
shift = s_start;
|
||||
|
||||
for (i = 0; i < row_width; i++)
|
||||
{
|
||||
if (m & mask)
|
||||
pixel_mask[j] = 0;
|
||||
for (i = 2; i > 0; i--)
|
||||
{
|
||||
value = (*sp >> shift) & 0xf;
|
||||
*dp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff);
|
||||
*dp |= (png_byte)(value << shift);
|
||||
}
|
||||
|
||||
if (shift == s_end)
|
||||
{
|
||||
shift = s_start;
|
||||
sp++;
|
||||
dp++;
|
||||
}
|
||||
else
|
||||
shift += s_inc;
|
||||
if (m == 1)
|
||||
m = 0x80;
|
||||
else
|
||||
pixel_mask[j] <<= 4;
|
||||
if (m & mask)
|
||||
pixel_mask[j] |= 0x0F;
|
||||
m >>= 1;
|
||||
}
|
||||
}
|
||||
j = 0;
|
||||
for (i = png_ptr->width; i >= 2; i -= 2)
|
||||
{
|
||||
if (pixel_mask[j] != 0)
|
||||
*dp = (*sp & pixel_mask[j]) | (*dp & ~pixel_mask[j]);
|
||||
sp++;
|
||||
dp++;
|
||||
j += 1;
|
||||
j &= 3;
|
||||
}
|
||||
if (i > 0)
|
||||
{
|
||||
pixel_mask[j] &= lastbyte_mask[4];
|
||||
if (pixel_mask[j] != 0)
|
||||
*dp = (*sp & pixel_mask[j]) | (*dp & ~pixel_mask[j]);
|
||||
}
|
||||
break;
|
||||
}
|
||||
@ -2425,24 +2392,123 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
png_bytep dp = row;
|
||||
png_size_t pixel_bytes = (png_ptr->row_info.pixel_depth >> 3);
|
||||
png_uint_32 i;
|
||||
png_uint_32 row_width = png_ptr->width;
|
||||
png_byte m = 0x80;
|
||||
int m = 0x80;
|
||||
|
||||
|
||||
for (i = 0; i < row_width; i++)
|
||||
switch (pixel_bytes)
|
||||
{
|
||||
if (m & mask)
|
||||
{
|
||||
png_memcpy(dp, sp, pixel_bytes);
|
||||
}
|
||||
|
||||
sp += pixel_bytes;
|
||||
dp += pixel_bytes;
|
||||
|
||||
if (m == 1)
|
||||
m = 0x80;
|
||||
else
|
||||
m >>= 1;
|
||||
case 1:
|
||||
for (i = png_ptr->width; i > 0; i--)
|
||||
{
|
||||
if (m & mask)
|
||||
{
|
||||
*(dp + 0) = *(sp + 0);
|
||||
}
|
||||
sp += 1;
|
||||
dp += 1;
|
||||
if ((m >>= 1) == 0)
|
||||
m = 0x80;
|
||||
}
|
||||
break;
|
||||
case 2:
|
||||
for (i = png_ptr->width; i > 0; i--)
|
||||
{
|
||||
if (m & mask)
|
||||
{
|
||||
*(dp + 0) = *(sp + 0);
|
||||
*(dp + 1) = *(sp + 1);
|
||||
}
|
||||
sp += 2;
|
||||
dp += 2;
|
||||
if ((m >>= 1) == 0)
|
||||
m = 0x80;
|
||||
}
|
||||
break;
|
||||
case 3:
|
||||
for (i = png_ptr->width; i > 0; i--)
|
||||
{
|
||||
if (m & mask)
|
||||
{
|
||||
*(dp + 0) = *(sp + 0);
|
||||
*(dp + 1) = *(sp + 1);
|
||||
*(dp + 2) = *(sp + 2);
|
||||
}
|
||||
sp += 3;
|
||||
dp += 3;
|
||||
if ((m >>= 1) == 0)
|
||||
m = 0x80;
|
||||
}
|
||||
break;
|
||||
case 4:
|
||||
for (i = png_ptr->width; i > 0; i--)
|
||||
{
|
||||
if (m & mask)
|
||||
{
|
||||
*(dp + 0) = *(sp + 0);
|
||||
*(dp + 1) = *(sp + 1);
|
||||
*(dp + 2) = *(sp + 2);
|
||||
*(dp + 3) = *(sp + 3);
|
||||
}
|
||||
sp += 4;
|
||||
dp += 4;
|
||||
if ((m >>= 1) == 0)
|
||||
m = 0x80;
|
||||
}
|
||||
break;
|
||||
case 6:
|
||||
for (i = png_ptr->width; i > 0; i--)
|
||||
{
|
||||
if (m & mask)
|
||||
{
|
||||
*(dp + 0) = *(sp + 0);
|
||||
*(dp + 1) = *(sp + 1);
|
||||
*(dp + 2) = *(sp + 2);
|
||||
*(dp + 3) = *(sp + 3);
|
||||
*(dp + 4) = *(sp + 4);
|
||||
*(dp + 5) = *(sp + 5);
|
||||
}
|
||||
sp += 6;
|
||||
dp += 6;
|
||||
if ((m >>= 1) == 0)
|
||||
m = 0x80;
|
||||
}
|
||||
break;
|
||||
case 8:
|
||||
for (i = png_ptr->width; i > 0; i--)
|
||||
{
|
||||
if (m & mask)
|
||||
{
|
||||
*(dp + 0) = *(sp + 0);
|
||||
*(dp + 1) = *(sp + 1);
|
||||
*(dp + 2) = *(sp + 2);
|
||||
*(dp + 3) = *(sp + 3);
|
||||
*(dp + 4) = *(sp + 4);
|
||||
*(dp + 5) = *(sp + 5);
|
||||
*(dp + 6) = *(sp + 6);
|
||||
*(dp + 7) = *(sp + 7);
|
||||
}
|
||||
sp += 8;
|
||||
dp += 8;
|
||||
if ((m >>= 1) == 0)
|
||||
m = 0x80;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
/*for (i = png_ptr->width; i > 0; i--)
|
||||
*{
|
||||
* if (m & mask)
|
||||
* {
|
||||
* png_size_t j;
|
||||
* for (j = 0; j < pixel_bytes; j++)
|
||||
* {
|
||||
* *(dp + j) = *(sp + j);
|
||||
* }
|
||||
* }
|
||||
* sp += pixel_bytes;
|
||||
* dp += pixel_bytes;
|
||||
* if ((m >>= 1) == 0)
|
||||
* m = 0x80;
|
||||
*}
|
||||
*/break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
@ -2471,122 +2537,101 @@ png_do_read_interlace(png_structp png_ptr)
|
||||
#endif
|
||||
|
||||
png_debug(1,"in png_do_read_interlace (stock C version)\n");
|
||||
if (row != NULL && row_info != NULL)
|
||||
if (row != NULL && row_info != NULL &&
|
||||
pass < 6)
|
||||
{
|
||||
png_uint_32 final_width;
|
||||
|
||||
final_width = row_info->width * png_pass_inc[pass];
|
||||
png_uint_32 final_width = row_info->width * png_pass_inc[pass];
|
||||
|
||||
switch (row_info->pixel_depth)
|
||||
{
|
||||
case 1:
|
||||
{
|
||||
static const png_byte pixeltable1[24] =
|
||||
{0x00, 0x00, 0x00, 0xFF, 0x00, 0x0F, 0xF0, 0xFF,
|
||||
0x00, 0x03, 0x0C, 0x0F, 0x30, 0x33, 0x3C, 0x3F,
|
||||
0xC0, 0xC3, 0xCC, 0xCF, 0xF0, 0xF3, 0xFC, 0xFF};
|
||||
png_bytep sp = row + (png_size_t)((row_info->width - 1) >> 3);
|
||||
png_bytep dp = row + (png_size_t)((final_width - 1) >> 3);
|
||||
int sshift, dshift;
|
||||
int s_start, s_end, s_inc;
|
||||
int jstop = png_pass_inc[pass];
|
||||
png_byte v;
< |