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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML>
<HEAD>
<TITLE>
Changes in TIFF v3.4beta016
</TITLE>
</HEAD>
<BODY>
<FONT FACE="Arial, Helvetica, Sans">
<BASEFONT SIZE=4>
<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B>
<BASEFONT SIZE=3>
<UL>
<HR SIZE=4 WIDTH=65% ALIGN=left>
<B>Current Version</B>: v3.4beta016<BR>
<B>Previous Version</B>: <A HREF=v3.4beta007.html>v3.4beta007</A><BR>
<B>Master Download Site</B>: <A HREF="ftp://ftp.sgi.com/graphics/tiff">ftp.sgi.com (192.48.153.1), directory graphics/tiff</A><BR>
<HR SIZE=4 WIDTH=65% ALIGN=left>
</UL>
<P>
This document describes the changes made to the software between the
<I>previous</I> and <I>current</I> 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>
<P><HR WIDTH=65% ALIGN=right>
<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></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>
<P><HR WIDTH=65% ALIGN=right>
<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></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>
<P><HR WIDTH=65% ALIGN=right>
<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></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>
<P><HR WIDTH=65% ALIGN=right>
<A NAME="man"><B><FONT SIZE=+3>C</FONT>HANGES IN THE MANUAL PAGES:</B></A>
<UL>
<LI>everything was updated
</UL>
<P><HR WIDTH=65% ALIGN=right>
<A NAME="html"><B><FONT SIZE=+3>C</FONT>HANGES IN THE DOCUMENTATION:</B></A>
<UL>
<LI>everything was updated
</UL>
<P><HR WIDTH=65% ALIGN=right>
<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN CONTRIBUTED SOFTWARE:</B></A>
<UL>
<LI><B>contrib/dbs/xtiff</B> was made to compile
<LI><B>contrib/mac-mpw</B> is new support for compiling the software on
a Macintosh under MPW; consult <A HREF=build.html#Mac>the documentation</A>
for details
<LI><B>contrib/tags</B> 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.<BR>
<HR>
<ADDRESS>
<A HREF="sam.html">Sam Leffler</A> / <A HREF="mailto:sam@engr.sgi.com">sam@engr.sgi.com</A>
Last updated $Date: 2016-09-25 20:05:45 $.
</ADDRESS>
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