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February 2007

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2007.02.05 03:28 "Request help On OJPEG Compression In Libtiff", by Steven Lim
2007.02.05 18:19 "Re: Request help On OJPEG Compression In Libtiff", by Chris Cox
2007.02.05 19:08 "Re: Request help On OJPEG Compression In Libtiff", by Joris Van Damme
2007.02.05 19:14 "Re: Request help On OJPEG Compression In Libtiff", by Chris Cox
2007.02.05 19:29 "Re: Request help On OJPEG Compression In Libtiff", by Joris Van Damme
2007.02.05 18:49 "Re: Request help On OJPEG Compression In Libtiff", by Joris Van Damme

2007.02.05 03:28 "Request help On OJPEG Compression In Libtiff", by Steven Lim

Hi All,
            I have grab a copy of libtiff from CVS and built it under MSYS &
MinGW environment with jpeg support enable(Told by Joris that the OJPEG will
be enable as well once the jpeg support is enable).
            But how do i need to do in order to use the Old Jpeg
Compression? The version of libtiff i grab it from CVS and it's said no
required hack on libjpeg, and i try just to use it by calling
TIFFSetField(tiffout, TIFFTAG_COMPRESSION, COMPRESSION_OJPEG), and this seem
not correct.
           And it's give me the below warning message : "Compression
algorithm does not support random access". Currently what i intend to do is
convert a jpeg image to tiff by using the OJPEG compression algorithm.

Thanks in advanced.

Regards,
Steven