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Changes in TIFF v3.4beta007
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<FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION
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    Current Version: v3.4beta007
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    Previous Version: v3.4beta004
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    Master FTP Site: ftp.sgi.com (192.48.153.1), directory graphics/tiff
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    This document describes the changes made to the software between the
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    previous and current versions (see above).
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    If you don't find something listed here, then it was not done in this
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    timeframe, or it was not considered important enough to be mentioned.
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    The following information is located here:
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    • Changes in the software configuration
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    • Changes in libtiff
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    • Changes in the portability support
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    • Changes in the tools
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      <FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:
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      • bit order was corrected for Pentium systems
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      • a new define, <TT>HOST_BIGENDIAN</TT>, was added for code that
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           wants to statically use information about native cpu byte order
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        <FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:
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        • the G3/G4 decoder was replaced by a new one that is faster and
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             has smaller state tables
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        • Niles Ritter's client tag extension hooks were added
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        • a new routine <TT>TIFFCurrentDirOffset</TT> was added for
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             applications that want to find out the file offset of a TIFF directory
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        • the calculation of the number of strips in an image was corected
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             for images with certain esoteric configurations
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        • a potential memory leak (very unlikely) was plugged
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        • the <TT>TIFFReadRGBAImage</TT> support was completely rewritten
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             and new, more flexible support was added for reading images into
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             a fixed-format raster
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        • YCbCr to RGB conversion done in the <TT>TIFFReadRGBAImage</TT> support
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             was optimized
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        • a bug in JPEG support calculation of strip size was corrected
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        • the LZW decoder was changed to initialize the code table to zero
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             to lessen potential problems that arise when invalid data is decoded
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        • tiffcomp.h is now aware of OS/2
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        • some function prototypes in tiffio.h and tiffiop.h
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             that contained parameter
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             names have been changed to avoid complaints from certain compilers
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          <FONT SIZE=+3>C</FONT>HANGES IN THE PORTABILITY SUPPORT:
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          • Makefile.in has been corrected to use the parameters
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               chosen by the configure script
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            <FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:
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            • <TT>fax2ps</TT> has been rewritten and moved over from the user
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                 contributed software
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            • an uninitialized variable in <TT>pal2rgb</TT> has been fixed
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            • <TT>ras2tiff</TT> now converts 24-bit RGB raster data so that
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                 samples are written in the proper order
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            • <TT>tiff2ps</TT> has been updated to include fixes
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                  and enhancements from Alberto Accomazzi
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            • <TT>tiffcp</TT> now has a <TT>-o</TT> option to select a directory
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                  by file offset
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            • <TT>tiffinfo</TT> is now capable of displaying the raw undecoded
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                  image data in a file
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            • <TT>tiffgt</TT> has been rewritten to use the new <TT>TIFFRGBAImage</TT>
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                 support and to handle multiple files
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               TIFF home page.
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              <ADDRESS>
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              Sam Leffler / sam@engr.sgi.com
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              Last updated $Date: 1999/08/09 20:21:21 $.
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              </ADDRESS>
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