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<HTML>
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<TITLE>
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Changes in TIFF v3.8.0
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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>: v3.8.0<BR>
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<B>Previous Version</B>: <A HREF=v3.7.4.html>v3.7.4</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> Read-only support for custom directories (e.g. EXIF directory).
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<li> Preliminary support for MS MDI format.
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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> Make the default strip size configurable via the
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--with-default-strip-size and STRIP_SIZE_DEFAULT options.
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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> tiffio.h: Added VC_EXTRALEAN definition before including
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windows.h, to reduce the compile time.
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<li> tif_jpeg.c: Improve compilation under MinGW.
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<li> {tif_aux.c, tif_dir.c, tif_dir.h, tif_dirwrite.c,
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tif_print.c, tif_getimage.c}: Make InkSet, NumberOfInks, DotRange and
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StoNits tags custom.
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<li> {tif_aux.c, tif_dir.c, tif_dir.h, tif_print.c}: Make
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WhitePoint tag custom.
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<li> tiffio.h: fixed typo that potentially resulted in
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redefininition of USE_WIN32_FILEIO
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<li> {tif_dir.c, tif_dir.h, tif_print.c}: Make RichTIFFIPTC,
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Photoshop and ICCProfile tags custom.
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<li> libtiff/*, contrib/*: Added 'dual-mode' error handling, enabling
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newer code to get context indicator in error handler and still
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remain compatible with older code: Done TIFFError calls everywhere
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except in tools.
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<li> tiffinfo.c: Print EXIF directory contents if exist.
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<li> {tif_dirinfo.c, tif_dirread.c, tif_dir.h, tif_dir.c}:
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Custom directory read-only support.
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<li> {tif_aux.c, tif_dirinfo.c, tif_dirread.c, tif_dir.h,
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tif_dir.c, tif_print.c}: Make YCbCrCoefficients and ReferenceBlackWhite
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tags custom.
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<li> tif_dirread.c: One more workaround for broken StripByteCounts
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tag. Handle the case when StripByteCounts array filled with
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completely wrong values.
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<li> tif_dirinfo.c: Release file descriptor in case of failure
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in the TIFFOpenW() function as per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=1003">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=1003</a>
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<li> tif_dirinfo.c: Correctly yse bsearch() and lfind()
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functions as per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=1008">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=1008</a>
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<li> tif_open.c, tiff.h, tiffdump.c: Incorporate preliminary support
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for MS MDI format.
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=1002">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=1002</a>
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<li> libtiff.def, tiffiop.h, tiffio.h: Made TIFFFreeDirectory
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public.
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<li> /tif_dirinfo.c: Make XResolution, YResolution and
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ResolutionUnit tags modifiable during write process. As per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=977">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=977</a>
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<li> if_dirread.c: Don't try and split single strips into "0" strips
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in ChopUpSingleUncompressedStrip. This happens in some degenerate
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cases (like 1x1 files with stripbytecounts==0 (gtsmall.jp2 embed tiff)
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<li> tif_fax3.c: changed 'at scanline ...' style warning/errors
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with incorrect use of tif_row, to 'at line ... of
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strip/tile ...' style.
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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: Added many error reporting messages; fixed integer
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overflow as per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=789">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=789</a>
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<li> tiffcp.c: Return non-zero status when reading fails.
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<li> fax2tiff.c: Properly calculate sizes of temporary arrays
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as per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=943">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=943</a>
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<li> fax2tiff.c: Added option '-r' to set RowsPerStrip parameter
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as per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=944">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=944</a>
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<li> tiffdump.c: Fixed typeshift and typemask arrays initialization
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problem as per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=946">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=946</a>
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<li> bmp2tiff.c: Fixed possible integer overflow error as per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=965">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=965</a>
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<li> tiffsplit.c: Copy fax related fields over splitted parts
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as per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=983">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=983</a>
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<li> tiffdump.c: Fixed crash when reading malformed tags.
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<li> tiff2pdf.c: Added missed 'break' statement as per bug
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<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=932">
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http://bugzilla.remotesensing.org/show_bug.cgi?id=932</a>
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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> contrib/addtiffo/*: Major upgrade by Joris to support subsampled
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YCbCr images in jpeg compressed TIFF files.
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</UL>
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Last updated $Date: 2006/01/04 23:38:38 $.
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</BODY>
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</HTML>
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