It s a JPEG decoder and need a lot of promotion and correction,This distribution

代码说明：

It s a JPEG decoder and need a lot of promotion and correction,This distribution contains the sixth public release of the Independent JPEG Group s free JPEG software. You are welcome to redistribute this software and to use it for any purpose, subject to the conditions under LEGAL ISSUES, below. Serious users of this software (particularly those incorporating it into larger programs) should contact IJG at [e-mail] to be added to our electronic mailing list. Mailing list members are notified of updates and have a chance to participate in technical discussions, etc. This software is the work of Tom Lane, Philip Gladstone, Jim Boucher, Lee Crocker, Julian Minguillon, Luis Ortiz, George Phillips, Davide Rossi, Guido Vollbeding, Ge Weijers, and other members of the Independent JPEG Group. IJG is not affiliated with the official ISO JPEG standards committee.