新的工具条显示地图放大，缩小，图层控制等等功能

JPEG压缩编码系统源代码-JPEG compression coding system source code

zlib 1.2.2 is a general purpose data compression library. All the code is thread safe. The data format used by the zlib library is described by RFCs (Request for Comments) 1950 to 1952 in the files http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format). These documents are also available in other formats from ftp://ftp.uu.net/graphics/png/documents/zlib/zdoc-index.html

这是架包java-unrar-0.2.jar的源码，利用这个架包可以解压缩.rar文件。-This is the package java-unrar-0.2.jar source, take advantage of this package can extract the plane. Rar file.

基于块方向的图像无损压缩代码，压缩包解压时不能有密码，不含res和DEBUG-Block-based direction of image lossless compression code, when extracting compressed package should not have a password, non-res and DEBUG

一个十分有趣的桌面应用小工具，你下载后肯定会喜欢的，谢谢下载！-A very interesting gadget desktop applications, you will definitely like it after downloading, thank you to download!

多个编码标准的测试软件，相关功能比较全。-number coding standard test software, all the relevant functional comparison.

7Zip软件实现： 七种编码格式的压缩与解压缩功能。-7Zip software : seven coding format compression and decompression functions.

作业，哈夫曼压缩解压缩-Operations, Huffman compression decompression

2407的中断格式（！◎1！！ ！！ ！！！）-2407 interruption format (! ◎ 1!!!!!!!!!)

a-law u-law pcm间的转换，提供了快速实现这几种编码的转换方法 -a-law u-law pcm the conversion, the rapid realization of these various ways of coding