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+<HTML>
+<HEAD>
+<TITLE>
+ Changes in TIFF v3.7.3
+</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>: v3.7.3<BR>
+<B>Previous Version</B>: <A HREF=v3.7.2.html>v3.7.2</a><BR>
+<B>Master FTP Site</B>: <A HREF="ftp://ftp.remotesensing.org/pub/libtiff">
+ftp.remotesensing.org</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="#hightlights">Major Changes</A>
+<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 the contrib area</A>
+</UL>
+<p>
+<P><HR WIDTH=65% ALIGN=left>
+
+<!--------------------------------------------------------------------------->
+
+<A NAME="highlights"><B><FONT SIZE=+3>M</FONT>AJOR CHANGES:</B></A>
+
+<UL>
+ <li> Replace runtime endianess check with the compile time one.
+
+ <li> Added support for the new predictor type (floating point
+ predictor), defined at the TIFF Technical Note 3.
+
+ <li> Added Support for custom tags, passed by value.
+ Added support for all DNG tags.
+</UL>
+
+
+<P><HR WIDTH=65% ALIGN=left>
+<!--------------------------------------------------------------------------->
+
+<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A>
+
+<UL>
+ <li> Do not use empty -R option when linking with --enable-rpath.
+
+ <li> Added workaround for OpenBSD/MirOS soname problem as per bug
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=838">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=838</a>
+
+ <li> Fixed parallel compilation of the libtiff and
+ libtiffxx libraries as per bug
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=826">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=826</a>
+
+ <li> configure.ac, libtiff/Makefile.am: Use libtool machinery to pass
+ rpath option.
+
+ <li> make.opt: Build with Win32 CRT library by default.
+</UL>
+
+<P><HR WIDTH=65% ALIGN=left>
+
+<!--------------------------------------------------------------------------->
+
+<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
+
+<UL>
+ <li> tiffiop.h, tif_open.c: Added open option 'h' to avoid reading
+ the first IFD when needed. As per bug
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=875">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=875</a>
+
+ <li> tiff.h: Use correct int size on Sparc 64bit/Sun compiler
+ platform. As per bug
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=855">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=855</a>
+
+ <li> tif_dirinfo.c: Added support for ClipPath, XClipPathUnits
+ and YClipPathUnits tags.
+
+ <li> tif_dirinfo.c, tif_dir.h, tif_dir.c, tif_print.c: Make
+ DocumentName, Artist, HostComputer, ImageDescription, Make, Model,
+ Copyright, DateTime, PageName, TextureFormat, TextureWrapModes and
+ TargetPrinter tags custom.
+
+ <li> tif_jpeg.c: Cleanup the codec state depending on TIFF_CODERSETUP
+ flag (to fix memory leaks).
+
+ <li> tif_dirwrite.c: Use tdir_count when calling
+ TIFFCvtNativeToIEEEDouble() in the TIFFWriteDoubleArray() function as
+ per bug <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=845">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=845</a>
+
+ <li> tif_dirinfo.c, tif_print.c: TIFFFetchByteArray() returns
+ uint16 array when fetching the BYTE and SBYTE fields, so we should
+ consider result as pointer to uint16 array and not as array of chars.
+ As per bug
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=831">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=831</a>
+
+ <li> tif_dir.c: More efficient custom tags retrieval as per bug
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=830">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=830</a>
+
+ <li> tif_win32.c: Use FILE_SHARE_READ | FILE_SHARE_WRITE share
+ mode in CreateFile() call as per bug
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=829">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=829</a>
+
+ <li> tif_jpeg.c: Substantial fix for addtiffo problems with
+ JPEG encoded TIFF files. Pre-allocate lots of space for jpegtables
+ in directory.
+
+ <li> tif_dirread.c: Changed the code that computes
+ stripbytecount[0] if it appears bogus to ignore if stripoffset[0] is
+ zero. This is a common case with GDAL indicating a "null" tile/strip.
+
+ <li> tif_jpeg.c: added LIB_JPEG_MK1 support in JPEGDecodeRaw().
+
+ <li> tif_dirread.c: Ensure that broken files with too many
+ values in PerSampleShorts, TIFFFetchPerSampleLongs and
+ TIFFFetchPerSampleAnys work ok instead of crashing.
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=843">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=843</a>
+
+ <li> tif_predict.h, tif_predict.c: Added ability to decode and encode
+ floating point predictor, as per TIFF Technical Note 3.
+ See http://chriscox.org/TIFF_TN3_Draft2.pdf for details.
+
+ <li> tiffio.h, tiffiop.h, tif_dir.c, tif_read.c, tif_swab.c:
+ Added _TIFFSwab24BitData() and TIFFSwabArrayOfLong() functions used to
+ swap 24-bit floating point values.
+
+ <li> tiff.h: Added predictor constants.
+
+ <li> tiffiop.h, tif_dir.c: Use uint32 type for appropriate values
+ in _TIFFVSetField() function. Inspired by the bug
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=816">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=816</a>
+
+ <li> tif_open.c: Do not read header in case the output file should
+ be truncated (Ron).
+
+ <li> tif_dirinfo.c, tif_config.h.vc: Use lfind() instead of bsearch()
+ in _TIFFFindFieldInfoByName() function (Ron).
+
+ <li> tif_dir.c, tif_print.c: Properly handle all data types in custom
+ tags.
+
+ <li> dirinfo.c: Added DNG tags.
+
+ <li> tiff.h: Added missed DNG tag (LensInfo); added DNG 1.1.0.0 tags.
+
+ <li> tif_dir.c, tif_print.c: Added Support for custom tags, passed
+ by value.
+
+ <li> tiff.h, tif_dirinfo.c, tiffiop.h: Added EXIF related tags.
+</UL>
+
+<P><HR WIDTH=65% ALIGN=left>
+
+<!-------------------------------------------------------------------------->
+
+<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
+
+<UL>
+ <li> tiff2pdf.c: Print two characters per loop in the
+ t2p_write_pdf_trailer(). As per bug
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=594">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=594</a>
+
+ <li> tiffgt.c: Use MacOS X OpenGL framework when appropriate. As
+ per bug <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=844">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=844</a>
+
+ <li> ppm2tiff.c: Fixed format string when read PPM file header with
+ the fscanf() function. As per bug
+ <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=861">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=861</a>
+
+ <li> tiffsplit.c: Check for JPEGTables tag presence before copying.
+
+ <li> tiff2pdfr.c: Calculate the tile width properly; added new
+ option '-b' to use interpolation in output PDF files (Bruno Ledoux).
+
+ <li> tiffdither.c: Copy the PhotometricInterpretation tag from the
+ input file.
+
+ <li> tif2pdf.c: Fixed problem with alpha channel handling as per
+ bug <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=794">
+ http://bugzilla.remotesensing.org/show_bug.cgi?id=794</a>.
+</UL>
+
+<P><HR WIDTH=65% ALIGN=left>
+
+<!--------------------------------------------------------------------------->
+
+<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN THE CONTRIB AREA:</B></A>
+
+<UL>
+
+ <li> addtiffo/{tif_overview.c, tif_ovrcache.c, tif_ovrcache.h}:
+ Make overviews working for contiguous images.
+
+</UL>
+
+Last updated $Date: 2006-01-04 22:04:46 $.
+
+</BODY>
+</HTML>