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	Changes in TIFF v3.8.0

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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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Current Version: v3.8.0

Previous Version: v3.7.4

Master FTP Site: 

ftp.remotesensing.org, directory pub/libtiff

Master HTTP Site: 

http://www.remotesensing.org/libtiff 

This document describes the changes made to the software between the

previous and current 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:

Major Changes

Changes in the software configuration

Changes in libtiff

Changes in the tools

Changes in the contrib area

<font size="+3">M</font>AJOR CHANGES:

	
 Read-only support for custom directories (e.g. EXIF directory).

	
 Preliminary support for MS MDI format.

<font size="+3">C</font>HANGES IN THE SOFTWARE CONFIGURATION:

	
 Make the default strip size configurable via the

	--with-default-strip-size and STRIP_SIZE_DEFAULT options.

<font size="+3">C</font>HANGES IN LIBTIFF:

	
 tiffio.h: Added VC_EXTRALEAN definition before including

	windows.h, to reduce the compile time.

	
 tif_jpeg.c: Improve compilation under MinGW.

	
 {tif_aux.c, tif_dir.c, tif_dir.h, tif_dirwrite.c,

	tif_print.c, tif_getimage.c}: Make InkSet, NumberOfInks, DotRange and

	StoNits tags custom.

	
 {tif_aux.c, tif_dir.c, tif_dir.h, tif_print.c}: Make

	WhitePoint tag custom.

	
 tiffio.h: fixed typo that potentially resulted in 

	redefininition of USE_WIN32_FILEIO

	
 {tif_dir.c, tif_dir.h, tif_print.c}: Make RichTIFFIPTC,

	Photoshop and ICCProfile tags custom.

	
 libtiff/*, contrib/*: Added 'dual-mode' error handling, enabling 

	newer code to get context indicator in error handler and still

	remain compatible with older code: Done TIFFError calls everywhere 

	except in tools.

	
 tiffinfo.c: Print EXIF directory contents if exist.

	
 {tif_dirinfo.c, tif_dirread.c, tif_dir.h, tif_dir.c}:

	Custom directory read-only support.

	
 {tif_aux.c, tif_dirinfo.c, tif_dirread.c, tif_dir.h,

	tif_dir.c, tif_print.c}: Make YCbCrCoefficients and ReferenceBlackWhite

	tags custom.

	
 tif_dirread.c: One more workaround for broken StripByteCounts

	tag. Handle the case when StripByteCounts array filled with

	completely wrong values.

	
 tif_dirinfo.c: Release file descriptor in case of failure

	in the TIFFOpenW() function as per bug

	http://bugzilla.remotesensing.org/show_bug.cgi?id=1003

	
 tif_dirinfo.c: Correctly yse bsearch() and lfind()

	functions as per bug

	http://bugzilla.remotesensing.org/show_bug.cgi?id=1008

	
 tif_open.c, tiff.h, tiffdump.c: Incorporate preliminary support

	for MS MDI format.

	http://bugzilla.remotesensing.org/show_bug.cgi?id=1002

	
 libtiff.def, tiffiop.h, tiffio.h: Made TIFFFreeDirectory

	public.

	
 /tif_dirinfo.c: Make XResolution, YResolution and

	ResolutionUnit tags modifiable during write process. As per bug

	http://bugzilla.remotesensing.org/show_bug.cgi?id=977

	
 if_dirread.c: Don't try and split single strips into "0" strips

	in ChopUpSingleUncompressedStrip.  This happens in some degenerate

	cases (like 1x1 files with stripbytecounts==0 (gtsmall.jp2 embed tiff)

	
 tif_fax3.c: changed 'at scanline ...' style warning/errors

	with incorrect use of tif_row, to 'at line ... of

	strip/tile ...' style.

<font size="+3">C</font>HANGES IN THE TOOLS:

	
 tiffcp.c: Added many error reporting messages; fixed integer

	overflow as per bug

	http://bugzilla.remotesensing.org/show_bug.cgi?id=789

	
 tiffcp.c: Return non-zero status when reading fails.

	
 fax2tiff.c: Properly calculate sizes of temporary arrays

	as per bug

	http://bugzilla.remotesensing.org/show_bug.cgi?id=943

	
 fax2tiff.c: Added option '-r' to set RowsPerStrip parameter

	as per bug

	http://bugzilla.remotesensing.org/show_bug.cgi?id=944

	
 tiffdump.c: Fixed typeshift and typemask arrays initialization

	problem as per bug

	http://bugzilla.remotesensing.org/show_bug.cgi?id=946

	
 bmp2tiff.c: Fixed possible integer overflow error as per bug

	http://bugzilla.remotesensing.org/show_bug.cgi?id=965

	
 tiffsplit.c: Copy fax related fields over splitted parts

	as per bug

	http://bugzilla.remotesensing.org/show_bug.cgi?id=983

	
 tiffdump.c: Fixed crash when reading malformed tags.

	
 tiff2pdf.c: Added missed 'break' statement as per bug

	http://bugzilla.remotesensing.org/show_bug.cgi?id=932

<font size="+3">C</font>HANGES IN THE CONTRIB AREA:

	
 contrib/addtiffo/*: Major upgrade by Joris to support subsampled

	YCbCr images in jpeg compressed TIFF files.

Last updated $Date: 2006/01/04 23:38:38 $.