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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML>
<HEAD>
<TITLE>
Changes in TIFF v3.8.0
</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>: v3.8.0<BR>
<B>Previous Version</B>: <A HREF=v3.7.4.html>v3.7.4</a><BR>
<B>Master Download Site</B>: <A HREF="https://download.osgeo.org/libtiff">
download.osgeo.org</a>, directory pub/libtiff</A><BR>
<B>Master HTTP Site</B>: <A HREF="http://www.simplesystems.org/libtiff/">
http://www.simplesystems.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="#highlights">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> Read-only support for custom directories (e.g. EXIF directory).
<li> Preliminary support for MS MDI format.
</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> Make the default strip size configurable via the
--with-default-strip-size and STRIP_SIZE_DEFAULT options.
</UL>
<P><HR WIDTH=65% ALIGN=left>
<!--------------------------------------------------------------------------->
<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
<UL>
<li> tiffio.h: Added VC_EXTRALEAN definition before including
windows.h, to reduce the compile time.
<li> tif_jpeg.c: Improve compilation under MinGW.
<li> {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.
<li> {tif_aux.c, tif_dir.c, tif_dir.h, tif_print.c}: Make
WhitePoint tag custom.
<li> tiffio.h: fixed typo that potentially resulted in
redefininition of USE_WIN32_FILEIO
<li> {tif_dir.c, tif_dir.h, tif_print.c}: Make RichTIFFIPTC,
Photoshop and ICCProfile tags custom.
<li> 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.
<li> tiffinfo.c: Print EXIF directory contents if exist.
<li> {tif_dirinfo.c, tif_dirread.c, tif_dir.h, tif_dir.c}:
Custom directory read-only support.
<li> {tif_aux.c, tif_dirinfo.c, tif_dirread.c, tif_dir.h,
tif_dir.c, tif_print.c}: Make YCbCrCoefficients and ReferenceBlackWhite
tags custom.
<li> tif_dirread.c: One more workaround for broken StripByteCounts
tag. Handle the case when StripByteCounts array filled with
completely wrong values.
<li> tif_dirinfo.c: Release file descriptor in case of failure
in the TIFFOpenW() function as per bug
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=1003">
http://bugzilla.remotesensing.org/show_bug.cgi?id=1003</a>
<li> tif_dirinfo.c: Correctly use bsearch() and lfind()
functions as per bug
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=1008">
http://bugzilla.remotesensing.org/show_bug.cgi?id=1008</a>
<li> tif_open.c, tiff.h, tiffdump.c: Incorporate preliminary support
for MS MDI format.
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=1002">
http://bugzilla.remotesensing.org/show_bug.cgi?id=1002</a>
<li> libtiff.def, tiffiop.h, tiffio.h: Made TIFFFreeDirectory
public.
<li> /tif_dirinfo.c: Make XResolution, YResolution and
ResolutionUnit tags modifiable during write process. As per bug
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=977">
http://bugzilla.remotesensing.org/show_bug.cgi?id=977</a>
<li> 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)
<li> tif_fax3.c: changed 'at scanline ...' style warning/errors
with incorrect use of tif_row, to 'at line ... of
strip/tile ...' style.
</UL>
<P><HR WIDTH=65% ALIGN=left>
<!-------------------------------------------------------------------------->
<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
<UL>
<li> tiffcp.c: Added many error reporting messages; fixed integer
overflow as per bug
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=789">
http://bugzilla.remotesensing.org/show_bug.cgi?id=789</a>
<li> tiffcp.c: Return non-zero status when reading fails.
<li> fax2tiff.c: Properly calculate sizes of temporary arrays
as per bug
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=943">
http://bugzilla.remotesensing.org/show_bug.cgi?id=943</a>
<li> fax2tiff.c: Added option '-r' to set RowsPerStrip parameter
as per bug
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=944">
http://bugzilla.remotesensing.org/show_bug.cgi?id=944</a>
<li> tiffdump.c: Fixed typeshift and typemask arrays initialization
problem as per bug
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=946">
http://bugzilla.remotesensing.org/show_bug.cgi?id=946</a>
<li> bmp2tiff.c: Fixed possible integer overflow error as per bug
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=965">
http://bugzilla.remotesensing.org/show_bug.cgi?id=965</a>
<li> tiffsplit.c: Copy fax related fields over split parts
as per bug
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=983">
http://bugzilla.remotesensing.org/show_bug.cgi?id=983</a>
<li> tiffdump.c: Fixed crash when reading malformed tags.
<li> tiff2pdf.c: Added missed 'break' statement as per bug
<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=932">
http://bugzilla.remotesensing.org/show_bug.cgi?id=932</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> contrib/addtiffo/*: Major upgrade by Joris to support subsampled
YCbCr images in jpeg compressed TIFF files.
</UL>
Last updated $Date: 2016-09-25 20:05:45 $.
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