X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/706b88074de0c288b81edac13094dd052b6cc078..e0b5dc3d63521f09691b14c1665370d85ef042ea:/src/png/README diff --git a/src/png/README b/src/png/README index 7109660f13..3dd92f41f7 100644 --- a/src/png/README +++ b/src/png/README @@ -1,11 +1,15 @@ -README for libpng version 1.2.7 - September 12, 2004 (shared library 12.0) +README for libpng version 1.2.34 - December 18, 2008 (shared library 12.0) See the note about version numbers near the top of png.h See INSTALL for instructions on how to install libpng. -Libpng comes in several distribution formats. Get libpng-*.tar.gz -or libpng-*.tar.bz2 if you want UNIX-style line endings in the text -files, or lpng*.zip if you want DOS-style line endings. +Libpng comes in several distribution formats. Get libpng-*.tar.gz, +libpng-*.tar.lzma, or libpng-*.tar.bz2 if you want UNIX-style line +endings in the text files, or lpng*.7z or lpng*.zip if you want DOS-style +line endings. You can get UNIX-style line endings from the *.zip file +by using "unzip -a" but there seems to be no simple way to recover +UNIX-style line endings from the *.7z file. The *.tar.lzma file is +recommended for *NIX users instead. Version 0.89 was the first official release of libpng. Don't let the fact that it's the first release fool you. The libpng library has been in @@ -54,7 +58,7 @@ to set different actions based on whether the CRC error occurred in a critical or an ancillary chunk. The changes made to the library, and bugs fixed are based on discussions -on the PNG-implement mailing list +on the png-mng-implement mailing list and not on material submitted privately to Guy, Andreas, or Glenn. They will forward any good suggestions to the list. @@ -77,12 +81,12 @@ compression library that is useful for more things than just PNG files. You can use zlib as a drop-in replacement for fread() and fwrite() if you are so inclined. -zlib should be available at the same place that libpng is, or at. -ftp://ftp.info-zip.org/pub/infozip/zlib +zlib should be available at the same place that libpng is, or at +ftp://ftp.simplesystems.org/pub/png/src/ You may also want a copy of the PNG specification. It is available as an RFC, a W3C Recommendation, and an ISO/IEC Standard. You can find -these at http://www.libpng.org/pub/png/documents/ +these at http://www.libpng.org/pub/png/pngdocs.html This code is currently being archived at libpng.sf.net in the [DOWNLOAD] area, and on CompuServe, Lib 20 (PNG SUPPORT) @@ -103,20 +107,21 @@ fix. Please mention "libpng" somewhere in the subject line. Thanks. This release was created and will be supported by myself (of course based in a large way on Guy's and Andreas' earlier work), and the PNG group. -glennrp@users.sourceforge.net -png-implement@ccrc.wustl.edu (subscription required; write to -majordomo@ccrc.wustl.edu with "subscribe png-implement" in the message). +Send comments/corrections/commendations to png-mng-implement at lists.sf.net +(subscription required; visit +https://lists.sourceforge.net/lists/listinfo/png-mng-implement +to subscribe) or to glennrp at users.sourceforge.net You can't reach Guy, the original libpng author, at the addresses given in previous versions of this document. He and Andreas will read mail -addressed to the png-implement list, however. +addressed to the png-mng-implement list, however. 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-mng-misc at lists.sourceforge.net, subscription required, visit +https://lists.sourceforge.net/lists/listinfo/png-mng-implement to subscribe) 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 +or to the png-mng-implement list. I'll get them in the end anyway. If you have a question about something in the PNG specification that is related to using libpng, send it to me. Send me any questions that start with "I was using libpng, @@ -124,7 +129,7 @@ and ...". If in doubt, send questions to me. I'll bounce them to others, if necessary. Please do not send suggestions on how to change PNG. We have -been discussing PNG for nine years now, and it is official and +been discussing PNG for twelve years now, and it is official and finished. If you have suggestions for libpng, however, I'll gladly listen. Even if your suggestion is not used immediately, it may be used later. @@ -139,6 +144,7 @@ Files in this distribution: TODO => Things not implemented in the current library Y2KINFO => Statement of Y2K compliance example.c => Example code for using libpng functions + libpng-*-*-diff.txt => Diff from previous release libpng.3 => manual page for libpng (includes libpng.txt) libpng.txt => Description of libpng and its functions libpngpf.3 => manual page for libpng's private functions @@ -146,7 +152,6 @@ Files in this distribution: png.c => Basic interface functions common to library png.h => Library function and interface declarations pngconf.h => System specific library configuration - pngasmrd.h => Header file for assembler-coded functions pngerror.c => Error/warning message I/O functions pngget.c => Functions for retrieving info from struct pngmem.c => Memory handling functions @@ -188,10 +193,12 @@ Files in this distribution: scripts => Directory containing scripts for building libpng: descrip.mms => VMS makefile for MMS or MMK makefile.std => Generic UNIX makefile (cc, creates static libpng.a) + makefile.elf => Linux/ELF makefile symbol versioning, + gcc, creates libpng12.so.0.1.2.34) makefile.linux => Linux/ELF makefile - (gcc, creates libpng12.so.0.1.2.7) + (gcc, creates libpng12.so.0.1.2.34) makefile.gcmmx => Linux/ELF makefile - (gcc, creates libpng12.so.0.1.2.7, + (gcc, creates libpng12.so.0.1.2.34, 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 @@ -213,12 +220,12 @@ Files in this distribution: makefile.openbsd => OpenBSD makefile makefile.sgi => Silicon Graphics IRIX (cc, creates static lib) makefile.sggcc => Silicon Graphics - (gcc, creates libpng12.so.0.1.2.7) + (gcc, creates libpng12.so.0.1.2.34) makefile.sunos => Sun makefile makefile.solaris => Solaris 2.X makefile - (gcc, creates libpng12.so.0.1.2.7) + (gcc, creates libpng12.so.0.1.2.34) makefile.so9 => Solaris 9 makefile - (gcc, creates libpng12.so.0.1.2.7) + (gcc, creates libpng12.so.0.1.2.34) makefile.32sunu => Sun Ultra 32-bit makefile makefile.64sunu => Sun Ultra 64-bit makefile makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc @@ -249,12 +256,12 @@ Files in this distribution: Good luck, and happy coding. -Glenn Randers-Pehrson (current maintainer) - Internet: glennrp@users.sourceforge.net + Internet: glennrp at users.sourceforge.net -Andreas Eric Dilger (former maintainer, 1996-1997) - Internet: adilger@enel.ucalgary.ca - Web: http://www-mddsp.enel.ucalgary.ca/People/adilger/ + Internet: adilger at enel.ucalgary.ca + Web: http://members.shaw.ca/adilger/ -Guy Eric Schalnat (original author and former maintainer, 1995-1996) (formerly of Group 42, Inc) - Internet: gschal@infinet.com + Internet: gschal at infinet.com