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Changes in TIFF v3.4beta016
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TIFF CHANGE INFORMATION
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Current Version: v3.4beta016 
Previous Version: <A HREF=v3.4beta007.html>v3.4beta007</A> 
Master FTP Site: <A HREF="ftp://ftp.sgi.com/graphics/tiff">ftp.sgi.com (192.48.153.1), directory graphics/tiff</A> 
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This document describes the changes made to the software between the
previous and current versions (see above).
If you don't find something listed here, then it was not done in this
timeframe, or it was not considered important enough to be mentioned.
The following information is located here:
<UL>
<LI><A HREF="#configure">Changes in the software configuration</A>
<LI><A HREF="#libtiff">Changes in libtiff</A>
<LI><A HREF="#tools">Changes in the tools</A>
<LI><A HREF="#man">Changes in the manual pages</A>
<LI><A HREF="#html">Changes in the documentation</A>
<LI><A HREF="#contrib">Changes in contributed software</A>
</UL>

<A NAME="configure">CHANGES IN THE SOFTWARE CONFIGURATION:</A>

<UL>
<LI>support was added for configuring the Deflate codec
<LI>support was added for the HTML documentation
<LI>codecs that are not configured for inclusion in the library
 are no longer compiled
</UL>

<A NAME="libtiff">CHANGES IN LIBTIFF:</A>

<UL>
<LI>support was added for registering new codecs external to the library
 and for overriding the codecs that are builtin to the library
<LI>emulation support for the old <TT>DataType</TT> tag was improved
<LI>suppport was added for the <TT>SMinSampleValue</TT>
 and <TT>SMaxSampleValue</TT> tags
<LI>the library no longer ignores <TT>TileWidth</TT> and <TT>TileLength</TT>
 tags whose values are not a multiple of 16 (per the spec); this
 permits old, improperly written, images to be read
<LI>the support for the <TT>Predictor</TT> tag was placed in a reusable
 module so that it can be shared by multiple codecs
<LI>experimental compression support was added for the Deflate algorithm
 (using the freely available zlib package)
<LI>a new routine, <TT>TIFFWriteBufferSetup</TT> was added a la the
 routine <TT>TIFFReadBufferSetup</TT>
<LI>the DSO version of the library is now statically linked with the
 JPEG and Deflate libraries; this means applications that link against
 the DSO do not also need to link against these ancillary libraries
</UL>

<A NAME="tools">CHANGES IN THE TOOLS:</A>

<UL>
<LI>all the tools now use common code to process compress-oriented arguments
<LI><TT>tiffdump</TT> should now compile on a Macintosh with MPW
</UL>

<A NAME="man">CHANGES IN THE MANUAL PAGES:</A>

<UL>
<LI>everything was updated
</UL>

<A NAME="html">CHANGES IN THE DOCUMENTATION:</A>

<UL>
<LI>everything was updated
</UL>

<A NAME="contrib">CHANGES IN CONTRIBUTED SOFTWARE:</A>

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<LI>contrib/dbs/xtiff was made to compile
<LI>contrib/mac-mpw is new support for compiling the software on
 a Macintosh under MPW; consult <A HREF=build.html#Mac>the documentation</A>
 for details
<LI>contrib/tags is information on how to use the tag extenion
 facilities; consult
 <A HREF=../contrib/tags/README>contrib/tags/README</A> for details
</UL>

<A HREF="index.html"><IMG SRC="images/back.gif"></A> TIFF home page.

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<ADDRESS>
<A HREF="sam.html">Sam Leffler</A> / <A HREF="mailto:sam@engr.sgi.com">sam@engr.sgi.com</A>
Last updated $Date: 1999/08/09 20:21:21 $.
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