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<HTML>
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<TITLE>
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Changes in TIFF v3.7.4
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</TITLE>
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</HEAD>
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<BODY BGCOLOR=white>
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<FONT FACE="Helvetica, Arial, Sans">
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<FONT FACE="Helvetica, Arial, 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>: v3.7.4<BR>
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<B>Previous Version</B>: <A HREF=v3.7.3.html>v3.7.3</a><BR>
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<B>Master FTP Site</B>: <A HREF="ftp://ftp.remotesensing.org/pub/libtiff">
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ftp.remotesensing.org</a>, directory pub/libtiff</A><BR>
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<B>Master HTTP Site</B>: <A HREF="http://www.remotesensing.org/libtiff">
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http://www.remotesensing.org/libtiff</a>
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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="#hightlights">Major Changes</A>
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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="#contrib">Changes in the contrib area</A>
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</UL>
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<p>
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<P><HR WIDTH=65% ALIGN=left>
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<!--------------------------------------------------------------------------->
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<A NAME="highlights"><B><FONT SIZE=+3>M</FONT>AJOR CHANGES:</B></A>
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<UL>
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<li> Fixed important bug in custom tags handling code..
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</UL>
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<P><HR WIDTH=65% ALIGN=left>
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<!--------------------------------------------------------------------------->
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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> Applied patch from Patrick Welche (all scripts moved in the
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'config' and 'm4' directories).
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<li> SConstruct, libtiff/SConstruct: Added the first very preliminary
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support for SCons software building tool (http://www.scons.org/).
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This is experimental infrastructure and it will exist along with the
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autotools stuff.
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<li> port/lfind.c: Added lfind() replacement module.
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</UL>
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<P><HR WIDTH=65% ALIGN=left>
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<!--------------------------------------------------------------------------->
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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> tif_dir.c: When prefreeing tv->value in TIFFSetFieldV
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also set it to NULL to avoid double free when re-setting custom
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string fields as per:
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=922">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=922</a>
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<li> tif_dir.c: Fixed up support for swapping "double complex"
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values (128 bits as 2 64 bits doubles). GDAL gcore tests now
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pass on bigendian (macosx) system.
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<li> libtiff/{tif_dirread.c, tif_dirinfo.c}: Do not upcast BYTEs to
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SHORTs in the TIFFFetchByteArray(). Remove TIFFFetchExtraSamples()
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function, use TIFFFetchNormalTag() instead as per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=831">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=831</a>
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Remove TIFFFetchExtraSamples() function, use TIFFFetchNormalTag()
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instead.
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<li> tif_print.c: Fixed printing of the BYTE and SBYTE arrays.
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<li> tif_write.c: Do not check the PlanarConfiguration field in
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the TIFFWriteCheck() function in case of single band images (as per
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TIFF spec).
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<li> libtiff/{tif_dir.c, tif_dir.h, tif_dirinfo.c, tif_print.c}:
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Make FieldOfViewCotangent, MatrixWorldToScreen, MatrixWorldToCamera,
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ImageFullWidth, ImageFullLength and PrimaryChromaticities tags custom.
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</UL>
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<P><HR WIDTH=65% ALIGN=left>
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<!-------------------------------------------------------------------------->
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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> tiffcp.c: Fixed WhitePoint tag copying.
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</UL>
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<P><HR WIDTH=65% ALIGN=left>
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<!--------------------------------------------------------------------------->
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<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN THE CONTRIB AREA:</B></A>
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<UL>
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<li> tiffdump.c: Added support for TIFF_IFD datatype.
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<li> addtiffo/{tif_overview.c, tif_ovrcache.c, tif_ovrcache.h}:
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Make overviews working for contiguous images.
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</UL>
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Last updated $Date: 2005/11/03 14:18:43 $.
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</BODY>
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</HTML>
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