diff options
Diffstat (limited to 'gs/libpng/README')
| -rw-r--r-- | gs/libpng/README | 131 |
1 files changed, 29 insertions, 102 deletions
diff --git a/gs/libpng/README b/gs/libpng/README index ff7ac1f16..e821ee4c8 100644 --- a/gs/libpng/README +++ b/gs/libpng/README @@ -1,15 +1,11 @@ -README for libpng version 1.2.44 - June 26, 2010 (shared library 12.0) +README for libpng version 1.5.10 - March 29, 2012 (shared library 15.0) See the note about version numbers near the top of png.h See INSTALL for instructions on how to install libpng. Libpng comes in several distribution formats. Get libpng-*.tar.gz, -libpng-*.tar.xz, 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.xz file is -recommended for *NIX users instead. +libpng-*.tar.xz 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. 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 @@ -58,11 +54,11 @@ 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-mng-implement mailing list and not on material submitted +on the PNG-implement mailing list and not on material submitted privately to Guy, Andreas, or Glenn. They will forward any good suggestions to the list. -For a detailed description on using libpng, read libpng.txt. For +For a detailed description on using libpng, read libpng-manual.txt. For examples of libpng in a program, see example.c and pngtest.c. For usage information and restrictions (what little they are) on libpng, see png.h. For a description on using zlib (the compression library used by @@ -81,12 +77,12 @@ 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.simplesystems.org/pub/png/src/ +zlib should be available at the same place that libpng is, or at. +ftp://ftp.info-zip.org/pub/infozip/zlib 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/pngdocs.html +these at http://www.libpng.org/pub/png/documents/ This code is currently being archived at libpng.sf.net in the [DOWNLOAD] area, and on CompuServe, Lib 20 (PNG SUPPORT) @@ -108,28 +104,26 @@ 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 development group. -Send comments/corrections/commendations to png-mng-implement at lists.sf.net -(subscription required; visit +Send comments/corrections/commendations to png-mng-implement at +lists.sourceforge.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-mng-implement list, however. +read mail addressed to the png-implement list, however. Please do not send general questions about PNG. Send them to -the (png-mng-misc at lists.sourceforge.net, subscription required, visit +png-mng-misc at lists.sf.net (subscription required; visit https://lists.sourceforge.net/lists/listinfo/png-mng-misc to -subscribe). On the other hand, please do not send libpng questions to -that address, send them to me or to the png-mng-implement list. I'll -get them in the end anyway. If you have a question about something +subscribe). 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, 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 twelve years now, and it is official and +been discussing PNG for sixteen 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. @@ -144,14 +138,17 @@ 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 + libpng.3 => manual page for libpng (includes libpng-manual.txt) + libpng-manual.txt => Description of libpng and its functions libpngpf.3 => manual page for libpng's private functions png.5 => manual page for the PNG format png.c => Basic interface functions common to library - png.h => Library function and interface declarations - pngconf.h => System specific library configuration + png.h => Library function and interface declarations (public) + pngpriv.h => Library function and interface declarations (private) + pngconf.h => System specific library configuration (public) + pngstruct.h => png_struct declaration (private) + pnginfo.h => png_info struct declaration (private) + pngdebug.h => debugging macros (private) pngerror.c => Error/warning message I/O functions pngget.c => Functions for retrieving info from struct pngmem.c => Memory handling functions @@ -175,91 +172,21 @@ Files in this distribution: Greg Roelofs' "PNG: The Definitive Guide", O'Reilly, 1999 msvctest => Builds and runs pngtest using a MSVC workspace - pngminim => Simple pnm2pngm and png2pnmm programs pngminus => Simple pnm2png and png2pnm programs pngsuite => Test images visupng => Contains a MSVC workspace for VisualPng projects => Contains project files and workspaces for building a DLL - beos => Contains a Beos workspace for building libpng - c5builder => Contains a Borland workspace for building + cbuilder5 => Contains a Borland workspace for building libpng and zlib - netware.txt => Contains instructions for downloading a set - of project files for building libpng and - zlib on Netware. visualc6 => Contains a Microsoft Visual C++ (MSVC) workspace for building libpng and zlib - wince.txt => Contains instructions for downloading a - Microsoft Visual C++ (Windows CD Toolkit) - workspace for building libpng and zlib on - WindowsCE - xcode => Contains xcode project files + visualc71 => Contains a Microsoft Visual C++ (MSVC) + workspace for building libpng and zlib + xcode => Contains an Apple xcode + workspace for building libpng and zlib 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 gcc makefile symbol versioning, - creates libpng12.so.0.1.2.44) - makefile.linux => Linux/ELF makefile (gcc, creates - libpng12.so.0.1.2.44) - makefile.gcmmx => Linux/ELF makefile (gcc, creates - libpng12.so.0.1.2.44, previously - used 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 ansi2knr (Requires ansi2knr.c from - ftp://ftp.cs.wisc.edu/ghost) - makefile.aix => AIX makefile - makefile.cygwin => Cygwin/gcc makefile - makefile.darwin => Darwin makefile - makefile.dec => DEC Alpha UNIX makefile - makefile.freebsd => FreeBSD makefile - makefile.hpgcc => HPUX makefile using gcc - makefile.hpux => HPUX (10.20 and 11.00) makefile - makefile.hp64 => HPUX (10.20 and 11.00) makefile, 64 bit - makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 - (static) - makefile.intel => Intel C/C++ version 4.0 and later - libpng.icc => Project file, IBM VisualAge/C++ 4.0 or later - makefile.netbsd => NetBSD/cc makefile, makes libpng.so. - makefile.ne12bsd => NetBSD/cc makefile, makes libpng12.so - makefile.openbsd => OpenBSD makefile - makefile.sgi => Silicon Graphics IRIX (cc, creates static lib) - makefile.sggcc => Silicon Graphics - (gcc, creates libpng12.so.0.1.2.44) - makefile.sunos => Sun makefile - makefile.solaris => Solaris 2.X makefile - (gcc, creates libpng12.so.0.1.2.44) - makefile.so9 => Solaris 9 makefile - (gcc, creates libpng12.so.0.1.2.44) - 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 - makefile.mips => MIPS makefile - makefile.acorn => Acorn makefile - makefile.amiga => Amiga makefile - smakefile.ppc => AMIGA smakefile for SAS C V6.58/7.00 PPC - compiler (Requires SCOPTIONS, copied from - scripts/SCOPTIONS.ppc) - makefile.atari => Atari makefile - makefile.beos => BEOS makefile for X86 - makefile.bor => Borland makefile (uses bcc) - makefile.bc32 => 32-bit Borland C++ (all modules compiled in C mode) - makefile.tc3 => Turbo C 3.0 makefile - makefile.dj2 => DJGPP 2 makefile - makefile.msc => Microsoft C makefile - makefile.vcawin32=> makefile for Microsoft Visual C++ 5.0 and - later (previously used assembler code tuned - for Intel MMX platform) - makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and - later (does not use assembler code) - makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def) - pngos2.def => OS/2 module definition file used by makefile.os2 - makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model - makevms.com => VMS build script - SCOPTIONS.ppc => Used with smakefile.ppc + (see scripts/README.txt for the list of scripts) Good luck, and happy coding. @@ -268,7 +195,7 @@ Good luck, and happy coding. -Andreas Eric Dilger (former maintainer, 1996-1997) Internet: adilger at enel.ucalgary.ca - Web: http://members.shaw.ca/adilger/ + Web: http://www-mddsp.enel.ucalgary.ca/People/adilger/ -Guy Eric Schalnat (original author and former maintainer, 1995-1996) (formerly of Group 42, Inc) |