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Changes in TIFF v3.4beta016
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<FONT FACE="Arial, Helvetica, Sans">
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<BASEFONT SIZE=4>
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<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B>
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<BASEFONT SIZE=3>
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<UL>
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<HR SIZE=4 WIDTH=65% ALIGN=left>
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<B>Current Version</B>: v3.4beta016<BR>
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<B>Previous Version</B>: <A HREF=v3.4beta007.html>v3.4beta007</A><BR>
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<B>Master FTP Site</B>: <A HREF="ftp://ftp.sgi.com/graphics/tiff">ftp.sgi.com (192.48.153.1), directory graphics/tiff</A><BR>
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<HR SIZE=4 WIDTH=65% ALIGN=left>
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</UL>
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<P>
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This document describes the changes made to the software between the
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<I>previous</I> and <I>current</I> 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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<UL>
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<LI><A HREF="#configure">Changes in the software configuration</A>
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<LI><A HREF="#libtiff">Changes in libtiff</A>
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<LI><A HREF="#tools">Changes in the tools</A>
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<LI><A HREF="#man">Changes in the manual pages</A>
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<LI><A HREF="#html">Changes in the documentation</A>
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<LI><A HREF="#contrib">Changes in contributed software</A>
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</UL>
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<P><HR WIDTH=65% ALIGN=right>
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<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A>
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<UL>
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<LI>support was added for configuring the Deflate codec
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<LI>support was added for the HTML documentation
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<LI>codecs that are not configured for inclusion in the library
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are no longer compiled
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</UL>
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<P><HR WIDTH=65% ALIGN=right>
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<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
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<UL>
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<LI>support was added for registering new codecs external to the library
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and for overriding the codecs that are builtin to the library
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<LI>emulation support for the old <TT>DataType</TT> tag was improved
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<LI>suppport was added for the <TT>SMinSampleValue</TT>
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and <TT>SMaxSampleValue</TT> tags
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<LI>the library no longer ignores <TT>TileWidth</TT> and <TT>TileLength</TT>
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tags whose values are not a multiple of 16 (per the spec); this
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permits old, improperly written, images to be read
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<LI>the support for the <TT>Predictor</TT> tag was placed in a reusable
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module so that it can be shared by multiple codecs
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<LI>experimental compression support was added for the Deflate algorithm
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(using the freely available zlib package)
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<LI>a new routine, <TT>TIFFWriteBufferSetup</TT> was added a la the
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routine <TT>TIFFReadBufferSetup</TT>
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<LI>the DSO version of the library is now statically linked with the
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JPEG and Deflate libraries; this means applications that link against
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the DSO do not also need to link against these ancillary libraries
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</UL>
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<P><HR WIDTH=65% ALIGN=right>
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<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
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<UL>
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<LI>all the tools now use common code to process compress-oriented arguments
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<LI><TT>tiffdump</TT> should now compile on a Macintosh with MPW
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</UL>
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<P><HR WIDTH=65% ALIGN=right>
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<A NAME="man"><B><FONT SIZE=+3>C</FONT>HANGES IN THE MANUAL PAGES:</B></A>
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<UL>
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<LI>everything was updated
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</UL>
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<P><HR WIDTH=65% ALIGN=right>
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<A NAME="html"><B><FONT SIZE=+3>C</FONT>HANGES IN THE DOCUMENTATION:</B></A>
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<UL>
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<LI>everything was updated
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</UL>
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<P><HR WIDTH=65% ALIGN=right>
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<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN CONTRIBUTED SOFTWARE:</B></A>
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<UL>
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<LI><B>contrib/dbs/xtiff</B> was made to compile
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<LI><B>contrib/mac-mpw</B> is new support for compiling the software on
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a Macintosh under MPW; consult <A HREF=build.html#Mac>the documentation</A>
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for details
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<LI><B>contrib/tags</B> is information on how to use the tag extenion
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facilities; consult
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<A HREF=../contrib/tags/README>contrib/tags/README</A> for details
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</UL>
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<A HREF="index.html"><IMG SRC="images/back.gif"></A> TIFF home page.<BR>
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<HR>
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<ADDRESS>
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<A HREF="sam.html">Sam Leffler</A> / <A HREF="mailto:sam@engr.sgi.com">sam@engr.sgi.com</A>
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Last updated $Date: 1999/08/09 20:21:21 $.
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</ADDRESS>
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