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<HTML>
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<HEAD>
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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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<FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION
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<BASEFONT SIZE=3>
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    Current Version: v3.8.0
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    Previous Version: v3.7.4
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    Master FTP Site:
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    ftp.remotesensing.org, directory pub/libtiff
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    Master HTTP Site:
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    http://www.remotesensing.org/libtiff
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    This document describes the changes made to the software between the
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    previous and current 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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    • Major Changes
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    • Changes in the software configuration
      		•
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    • Changes in libtiff
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    • Changes in the tools
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    • Changes in the contrib area
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      <FONT SIZE=+3>M</FONT>AJOR CHANGES:
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      •  Read-only support for custom directories (e.g. EXIF directory).
        		•
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      •  Preliminary support for MS MDI format.
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        <FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:
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        •  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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          <FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:
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          •  tiffio.h: Added VC_EXTRALEAN definition before including
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            	windows.h, to reduce the compile time.
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          •  tif_jpeg.c: Improve compilation under MinGW.
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          •  {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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          •  {tif_aux.c, tif_dir.c, tif_dir.h, tif_print.c}: Make
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            	WhitePoint tag custom.
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          •  tiffio.h: fixed typo that potentially resulted in
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            	redefininition of USE_WIN32_FILEIO
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          •  {tif_dir.c, tif_dir.h, tif_print.c}: Make RichTIFFIPTC,
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            	Photoshop and ICCProfile tags custom.
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          •  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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          •  tiffinfo.c: Print EXIF directory contents if exist.
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          •  {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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          •  {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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          •  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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          •  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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            	http://bugzilla.remotesensing.org/show_bug.cgi?id=1003
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          •  tif_dirinfo.c: Correctly yse bsearch() and lfind()
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            	functions as per bug
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            	http://bugzilla.remotesensing.org/show_bug.cgi?id=1008
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          •  tif_open.c, tiff.h, tiffdump.c: Incorporate preliminary support
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            	for MS MDI format.
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            	http://bugzilla.remotesensing.org/show_bug.cgi?id=1002
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          •  libtiff.def, tiffiop.h, tiffio.h: Made TIFFFreeDirectory
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            	public.
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          •  /tif_dirinfo.c: Make XResolution, YResolution and
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            	ResolutionUnit tags modifiable during write process. As per bug
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            	http://bugzilla.remotesensing.org/show_bug.cgi?id=977
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          •  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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          •  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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            <FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:
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            •  tiffcp.c: Added many error reporting messages; fixed integer
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              	overflow as per bug
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              	http://bugzilla.remotesensing.org/show_bug.cgi?id=789
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            •  tiffcp.c: Return non-zero status when reading fails.
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            •  fax2tiff.c: Properly calculate sizes of temporary arrays
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              	as per bug
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              	http://bugzilla.remotesensing.org/show_bug.cgi?id=943
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            •  fax2tiff.c: Added option '-r' to set RowsPerStrip parameter
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              	as per bug
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              	http://bugzilla.remotesensing.org/show_bug.cgi?id=944
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            •  tiffdump.c: Fixed typeshift and typemask arrays initialization
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              	problem as per bug
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              	http://bugzilla.remotesensing.org/show_bug.cgi?id=946
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            •  bmp2tiff.c: Fixed possible integer overflow error as per bug
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              	http://bugzilla.remotesensing.org/show_bug.cgi?id=965
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            •  tiffsplit.c: Copy fax related fields over splitted parts
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              	as per bug
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              	http://bugzilla.remotesensing.org/show_bug.cgi?id=983
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            •  tiffdump.c: Fixed crash when reading malformed tags.
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            •  tiff2pdf.c: Added missed 'break' statement as per bug
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              	http://bugzilla.remotesensing.org/show_bug.cgi?id=932
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              <FONT SIZE=+3>C</FONT>HANGES IN THE CONTRIB AREA:
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            •  contrib/addtiffo/*: Major upgrade by Joris to support subsampled
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              	YCbCr images in jpeg compressed TIFF files.
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              Last updated $Date: 2006/01/04 23:38:38 $.
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