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[求助]麻烦哪位讲解下png的压缩算法
发表于: 2009-7-27 17:34 5239

[求助]麻烦哪位讲解下png的压缩算法

2009-7-27 17:34
5239
项目需要, 麻烦哪位讲解下png的压缩算法,最好顺便给一个png的解压缩类!!谢谢了

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sourceforge不是有现成的么?
2009-7-27 17:40
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JasPer Readme
*************

This is the source code distribution for JasPer.  JasPer is a collection
of software (i.e., a library and application programs) for the coding
and manipulation of images.  This software can handle image data in a
variety of formats.  One such format supported by JasPer is the JPEG-2000
format defined in ISO/IEC 15444-1.

The complete licensing terms for the JasPer software can be found in
the file named "LICENSE" in the top level directory of this software
distribution.  Any use of this software contrary to the terms of the
license is strictly prohibited.  The changes made to the software
since the last release are described in the file "NEWS".  Detailed
documentation on the JasPer software can be found in the JasPer Software
Reference Manual.  This manual is located in the "doc" directory, and
includes useful information such as: 1) how to build, install, and use
the software, 2) how to submit report bugs, and 3) where to find
additional information about the software.

Enjoy! :)
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2009-7-27 17:53
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to:sudami  

我要png的,不是jPEG,麻烦你们讲解下png的格式啊,尤其png数据解压缩后的格式,是怎么存储的!!?
2009-7-27 23:06
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png压缩好像就是用的zlib~~如果错了~~直接无视
2009-7-27 23:15
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看看libpng代码吧,他用zlib的inflate来解压数据

这种东西要是自己要写的话估计得忙活好长一阵了
2009-7-28 08:38
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