zlib 0.93 is a beta version of a general purpose compression library.
The data format used by the zlib library is described in the
files zlib-3.1.doc, deflate-1.1.doc and gzip-4.1.doc, available
in ftp.uu.net:/pub/archiving/zip/doc.
All functions of the compression library are documented in the file
zlib.h. A usage example of the library is given in the file example.c
which also tests that the library is working correctly.
To compile all files and run the test program, just type: make test
(For MSDOS, use one of the special makefiles such as Makefile.msc.)
To install the zlib library (libgz.a) in /usr/local/lib, type: make install
To install in a different directory, use for example: make install prefix=$HOME
This will install in $HOME/lib instead of /usr/local/lib.
The changes made in version 0.93 are documented in the file ChangeLog.
The main changes since 0.9 are:
- temporarily disable inline functions
- make deflate deterministic
- don't use signed char in inflate (not portable enough)
- fix inflate memory leak for segmented architectures
- Default MEM_LEVEL is 8 (not 9 for Unix) as documented in zlib.h
- Document the memory requirements in zconf.h
- added "make install"
- added support for DJGPP and Pyramid
- fix an inflate bug for stored blocks.
- various speedups
On MSDOS, this version works in both large and small model. However
small model compression works only for small values of MAX_MEM_LEVEL
and MAX_WBITS (see zconf.h). Small model decompression should work up
to MAX_WBITS=15. This version of zlib does not support small or
medium model with far allocation of big objects.
Copyright (C) 1995 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Jean-loup Gailly Mark Adler
gzip@prep.ai.mit.edu madler@alumni.caltech.edu
If you use the zlib library in a product, we would appreciate *not*
receiving lengthy legal documents to sign. The sources are provided
for free but without warranty of any kind. The library has been
entirely written by Jean-loup Gailly and Mark Adler; it does not
include third-party code.
If you redistribute modified sources, we would appreciate that you include
in the file ChangeLog history information documenting your changes.
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CImage类打开和保存jpeg、bmp、gif和png格式图片
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h:39个
cpp:15个
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利用强大的CImage类打开和保存jpeg、bmp、gif和png格式图片,有VC下的Demo。
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CImage类打开和保存jpeg、bmp、gif和png格式图片 (223个子文件)
JPEG.001 23KB
DEMO.001 12KB
PNG.001 11KB
ZLIB.001 10KB
CIMAGE.001 9KB
LIBJPEG.ANS 581B
demo.aps 34KB
JMEMDOSA.ASM 8KB
ZIPDIST.BAT 583B
JCONFIG.BCC 1KB
TESTBMP.BMP 1KB
BOOKS.BMP 1KB
TOOLBAR.BMP 1KB
BULLET.BMP 138B
PNGRTRAN.C 97KB
JQUANT2.C 46KB
DEFLATE.C 44KB
TREES.C 42KB
PNGWUTIL.C 41KB
PNGRUTIL.C 40KB
JMEMMGR.C 39KB
PNGPREAD.C 38KB
JDMARKER.C 31KB
JQUANT1.C 29KB
JCHUFF.C 26KB
PNGREAD.C 26KB
JDMASTER.C 23KB
JDHUFF.C 22KB
JDMAINCT.C 21KB
PNGWRITE.C 20KB
JMEMDOS.C 19KB
JCSAMPLE.C 19KB
EXAMPLE.C 17KB
ANSI2KNR.C 17KB
JDSAMPLE.C 16KB
INFTREES.C 16KB
GZIO.C 16KB
JCMARKER.C 16KB
JCPARAM.C 16KB
JCCOEFCT.C 15KB
JCCOLOR.C 15KB
JIDCTINT.C 15KB
EXAMPLE.C 15KB
JDAPI.C 14KB
JDMERGE.C 14KB
JIDCTRED.C 14KB
JCMASTER.C 13KB
JIDCTFST.C 13KB
JCPREPCT.C 13KB
JCDCTMGR.C 13KB
INFBLOCK.C 13KB
JDCOEFCT.C 12KB
JDCOLOR.C 12KB
JCAPI.C 12KB
PNGSTUB.C 11KB
JFDCTINT.C 11KB
PNGSTUB0.C 11KB
PNGMEM.C 10KB
PNGWTRAN.C 10KB
JCMAINCT.C 9KB
JDPOSTCT.C 9KB
INFLATE.C 9KB
JDDCTMGR.C 9KB
JIDCTFLT.C 8KB
JMEMNAME.C 8KB
JDATASRC.C 8KB
JFDCTFST.C 8KB
INFCODES.C 8KB
CRC32.C 7KB
JERROR.C 7KB
PNG.C 7KB
MINIGZIP.C 6KB
PNGRCB.C 6KB
PNGWIO.C 6KB
INFFAST.C 6KB
JFDCTFLT.C 6KB
PNGTEST.C 5KB
PNGTRANS.C 5KB
JDATADST.C 5KB
ZUTIL.C 5KB
JMEMANSI.C 5KB
PNGRIO.C 5KB
PNGERROR.C 4KB
JUTILS.C 4KB
JMEMNOBS.C 3KB
JCOMAPI.C 3KB
INFUTIL.C 2KB
UNCOMPR.C 2KB
COMPRESS.C 2KB
ADLER32.C 1KB
JCONFIG.CFG 1KB
CHANGELO 11KB
DEMO.CLW 5KB
CIMAGE.CNT 2KB
MAKE_VMS.COM 4KB
CONFIGUR 3KB
DIBUTILS.CPP 20KB
IMAJPG.CPP 11KB
GIFDECOD.CPP 10KB
DEMO.CPP 8KB
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