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4	Changes in TIFF v3.7.4
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13<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B>
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17<HR SIZE=4 WIDTH=65% ALIGN=left>
18<B>Current Version</B>: v3.7.4<BR>
19<B>Previous Version</B>: <A HREF=v3.7.3.html>v3.7.3</a><BR>
20<B>Master FTP Site</B>: <A HREF="ftp://download.osgeo.org/libtiff">
21download.osgeo.org</a>, directory pub/libtiff</A><BR>
22<B>Master HTTP Site</B>: <A HREF="http://www.simplesystems.org/libtiff/">
23http://www.simplesystems.org/libtiff/</a>
24<HR SIZE=4 WIDTH=65% ALIGN=left>
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27<P>
28This document describes the changes made to the software between the
29<I>previous</I> and <I>current</I> versions (see above).
30If you don't find something listed here, then it was not done in this
31timeframe, or it was not considered important enough to be mentioned.
32The following information is located here:
33<UL>
34<LI><A HREF="#hightlights">Major Changes</A>
35<LI><A HREF="#configure">Changes in the software configuration</A>
36<LI><A HREF="#libtiff">Changes in libtiff</A>
37<LI><A HREF="#tools">Changes in the tools</A>
38<LI><A HREF="#contrib">Changes in the contrib area</A>
39</UL>
40<p>
41<P><HR WIDTH=65% ALIGN=left>
42
43<!--------------------------------------------------------------------------->
44
45<A NAME="highlights"><B><FONT SIZE=+3>M</FONT>AJOR CHANGES:</B></A>
46
47<UL>
48	<li> Fixed important bug in custom tags handling code..
49</UL>
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51
52<P><HR WIDTH=65% ALIGN=left>
53<!--------------------------------------------------------------------------->
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55<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A>
56
57<UL>
58	<li> Applied patch from Patrick Welche (all scripts moved in the
59	'config' and 'm4' directories).
60
61	<li> SConstruct, libtiff/SConstruct: Added the first very preliminary
62	support for SCons software building tool (http://www.scons.org/).
63	This is experimental infrastructure and it will exist along with the
64	autotools stuff.
65
66	<li> port/lfind.c: Added lfind() replacement module.
67</UL>
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69<P><HR WIDTH=65% ALIGN=left>
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71<!--------------------------------------------------------------------------->
72
73<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
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75<UL>
76	<li> tif_dir.c: When prefreeing tv->value in TIFFSetFieldV
77	also set it to NULL to avoid double free when re-setting custom
78	string fields as per:
79	<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=922">
80		http://bugzilla.remotesensing.org/show_bug.cgi?id=922</a>
81
82	<li> tif_dir.c: Fixed up support for swapping "double complex"
83	values (128 bits as 2 64 bits doubles).  GDAL gcore tests now
84	pass on bigendian (macosx) system.
85
86	<li> libtiff/{tif_dirread.c, tif_dirinfo.c}: Do not upcast BYTEs to
87	SHORTs in the TIFFFetchByteArray(). Remove TIFFFetchExtraSamples()
88	function, use TIFFFetchNormalTag() instead as per bug
89	<a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=831">
90		http://bugzilla.remotesensing.org/show_bug.cgi?id=831</a>
91
92	Remove TIFFFetchExtraSamples() function, use TIFFFetchNormalTag()
93	instead.
94
95	<li> tif_print.c: Fixed printing of the BYTE and SBYTE arrays.
96
97	<li> tif_write.c: Do not check the PlanarConfiguration field in
98	the TIFFWriteCheck() function in case of single band images (as per
99	TIFF spec).
100
101	<li> libtiff/{tif_dir.c, tif_dir.h, tif_dirinfo.c, tif_print.c}:
102	Make FieldOfViewCotangent, MatrixWorldToScreen, MatrixWorldToCamera,
103	ImageFullWidth, ImageFullLength and PrimaryChromaticities tags custom.
104</UL>
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106<P><HR WIDTH=65% ALIGN=left>
107
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109
110<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
111
112<UL>
113	<li> tiffcp.c: Fixed WhitePoint tag copying.
114</UL>
115
116<P><HR WIDTH=65% ALIGN=left>
117
118<!--------------------------------------------------------------------------->
119
120<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN THE CONTRIB AREA:</B></A>
121
122<UL>
123	<li> tiffdump.c: Added support for TIFF_IFD datatype.
124
125	<li> addtiffo/{tif_overview.c, tif_ovrcache.c, tif_ovrcache.h}:
126	Make overviews working for contiguous images.
127
128</UL>
129
130Last updated $Date: 2016-09-25 20:05:45 $.
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