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+<HTML>
+<HEAD>
+<TITLE>
+Changes in TIFF v3.5.6
+</TITLE>
+</HEAD>
+
+<BODY BGCOLOR=white>
+<FONT FACE="Helvetica, Arial, Sans">
+<FONT FACE="Helvetica, Arial, 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>: v3.5.6beta<BR>
+<B>Previous Version</B>: <A HREF=v3.5.5.html>v3.5.5</a><BR>
+<B>Master FTP Site</B>: <A HREF="ftp://ftp.onshore.com/pub/libtiff">ftp.onshore.com</a>, directory pub/libtiff</A><BR>
+<B>Master HTTP Site</B>: <A HREF="http://www.remotesensing.org/libtiff/">http://www.remotesensing.org/libtiff</a>
+<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="#contrib">Changes in contrib</A>
+<LI><A HREF="#lzwkit">Changes in the LZW compression kit</A>
+</UL>
+<p>
+<P><HR WIDTH=65% ALIGN=left>
+
+<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A>
+
+<UL>
+
+ <LI> Added GNULDdso target and switched linux and freebsd to use it.
+ <LI> tools/Makefile.in: Modified to install properly on SGI.
+ <LI> configure: Fixed DSO test for Linux as per patch from
+ Jan Van Buggenhout <chipzz@Ace.ULYSSIS.Student.KULeuven.Ac.Be>.
+
+</UL>
+
+<P><HR WIDTH=65% ALIGN=left>
+
+<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
+
+
+<UL>
+
+ <LI> tif_dir.c: Clear TIFF_ISTILED flag in TIFFDefaultDirectory
+ as per http://bugzilla.remotesensing.org/show_bug.cgi?id=18
+ from vandrove@vc.cvut.cz.
+
+ <LI> Modified tif_packbits.c decoding to avoid overrunning the
+ output buffer, and to issue a warning if data needs to be
+ discarded. See http://bugzilla.remotesensing.org/show_bug.cgi?id=18
+
+ <LI> Modified TIFFClientOpen() to emit an error on an attempt to
+ open a comperessed file for update (O_RDWR/r+) access. This is
+ because the compressor/decompressor code gets very confused when
+ the mode is O_RDWR, assuming this means writing only. See
+ bug http://bugzilla.remotesensing.org/show_bug.cgi?id=13
+
+ <LI> Applied patch for 0x0000 sequences in tif_fax3.h's definition
+ of EXPAND1D() as per bug 11 (from Roman).
+
+ <LI> Fixed tiffcomp.h to avoid win32 stuff if unix #defined, to improve
+ cygwin compatibility.
+
+ <LI> Applied patch from Roman Shpount to tif_fax3.c. This seems to
+ be a proper fix to the buffer sizing problem. See
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=11
+
+ <LI> Fixed tif_getimage.c to fix overrun bug with YCbCr images without
+ downsampling. http://bugzilla.remotesensing.org/show_bug.cgi?id=10
+ Thanks to Nick Lamb <njl98r@ecs.soton.ac.uk> for reporting the
+ bug and proving the patch.
+
+ <LI> Fixed tif_jpeg.c so avoid destroying the decompressor before
+ we are done access data thanks to bug report from:
+ Michael Eckstein <eckstein@gepro.cz>.
+
+ <LI> tif_open.c: Don't set MMAP for O_RDWR files.
+
+ <LI> tif_open.c: Set STRIPCHOP_DEFAULT for O_RDWR as well as O_RDONLY
+ so that files opened for update can be strip chopped too.
+
+ <LI> tif_read.c: fixed up bug with files missing rowsperstrip and
+ the strips per separation fix done a few weeks ago.
+
+ <LI> Tentatively added support for SAMPLEFORMAT_COMPLEXIEEEFP, and
+ SAMPLEFORMAT_COMPLEXINT.
+
+ <LI> index.html, bugs.html: added bugzilla info.
+
+ <LI> tif_read.c: fix subtle bug with determining the number of
+ rows for strips that are the last strip in a separation but
+ not the last strip of all in TIFFReadEncodedStrip().
+
+ <LI> Applied 16/32 bit fix to tif_fax3.c. Fix supplied by
+ Peter Skarpetis <peters@serendipity-software.com.au>
+
+ <LI> Modified tiffio.h logic with regard to including windows.h. It
+ won't include it when building with __CYGWIN__.
+
+ <LI> README: update to mention www.libtiff.org, don't list Sam's old
+ email address.
+
+ <LI> libtiff/tif_dirread.c: Don't use estimate strip byte count for
+ one tile/strip images with an offset, and byte count of zero. These
+ could be "unpopulated" images.
+
+ <LI> tif_win32.c: Applied patch to fix overreads and ovverwrites
+ caught by BoundsChecker. From Arvan Pritchard
+ <arvan.pritchard@infomatix.co.uk> (untested).
+
+ <LI> tif_getimage.c: Applied patch to silence VC6 warnings. From
+ Arvan Pritchard <arvan.pritchard@informatix.co.uk>
+
+ <LI> tif_lzw.c: Applied patch to silence VC6 warnings. From
+ Arvan Pritchard <arvan.pritchard@informatix.co.uk>
+
+ <LI> libtiff/tif_apple.c: Applied "Carbon" support patches supplied by
+ Leonard Rosenthol <leonardr@lazerware.com>. May interfere
+ with correct building on older systems. If so, please let me know.
+
+
+</UL>
+
+<P><HR WIDTH=65% ALIGN=left>
+
+<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
+
+<UL>
+
+ <LI> tools/rgb2ycbcr.c: fixed output strip size to account for vertical
+ roundup if rows_per_strip not a multiple of vertical sample size.
+
+ <LI> tools/tiffsplit.c: Copy TIFFTAG_SAMPLEFORMAT.
+
+ <LI> Modified tiff2bw to ensure portions add to 100%, and that
+ white is properly recovered. See bug
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=15 Patch
+ c/o Stanislav Brabec <utx@penguin.cz>
+
+</UL>
+
+<P><HR WIDTH=65% ALIGN=left>
+
+<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN CONTRIB:</B></A>
+
+<UL>
+
+ <LI> contrib/addtiffo: Added "averaging" resampling option.
+
+ <LI> Added contrib/stream (stream io) code submitted by Avi Bleiweiss.
+
+</UL>
+
+<P><HR WIDTH=65% ALIGN=left>
+
+<A NAME="lzwkit"><B><FONT SIZE=+3>C</FONT>HANGES IN THE LZW COMPRESSION KIT</B></A>
+<UL>
+
+ <LI> updated tif_dir.c to reflect changes to no-lzw tif_dir.c
+
+</UL>
+
+<A HREF="index.html"><IMG SRC="images/back.gif"></A> TIFF home page.<BR>
+
+<HR>
+
+Last updated $Date: 2006/03/18 17:12:47 $.
+
+</BODY>
+</HTML>