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TIFF文件格式读取及生成的源代码

For the broadest possible support for OJPEG files the following steps are 
necessary:

 o Ensure you are able to build with JPEG support (see config.site).

 o Uncomment OJPEG="yes" statement in config.site file or
   #define OJPEG_SUPPORT somewhere.  This can be put in tiffconf.h for
   instance.

 o Append the jdhuff_add.c code to the end of jdhuff.c within the IJG JPEG
   libraries jdhuff.c file and recompile libjpeg (jpeg-6b tested).

 o Rebuild cleanly.


OJPEG support implemented by Scott Marovich at HP ([e-mail]).

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For notes on further improved JPEG-in-TIFF support also see the following
bug in bugzilla:

  http://bugzilla.remotesensing.org/show_bug.cgi?id=156