1<HTML> 2<HEAD> 3<TITLE> 4 Changes in TIFF v3.7.0alpha 5</TITLE> 6</HEAD> 7 8<BODY BGCOLOR=white> 9<FONT FACE="Helvetica, Arial, Sans"> 10<FONT FACE="Helvetica, Arial, Sans"> 11 12<BASEFONT SIZE=4> 13<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B> 14<BASEFONT SIZE=3> 15 16<UL> 17<HR SIZE=4 WIDTH=65% ALIGN=left> 18<B>Current Version</B>: v3.7.0alpha<BR> 19<B>Previous Version</B>: <A HREF=v3.6.1.html>v3.6.1</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> 25</UL> 26 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<LI><A HREF="#lzwkit">Changes in the LZW compression kit</A> 40</UL> 41<p> 42<P><HR WIDTH=65% ALIGN=left> 43 44<!---------------------------------------------------------------------------> 45 46<A NAME="highlights"><B><FONT SIZE=+3>M</FONT>AJOR CHANGES:</B></A> 47 48<ul> 49 <li> Significant changes in software configuration: we are switched 50 to GNU autotools now. 51 52 <li> tiffset: tiffset now can set any libtiff supported tags. Tags 53 can be supplied by the mnemonic name or number. 54</ul> 55 56 57<P><HR WIDTH=65% ALIGN=left> 58<!---------------------------------------------------------------------------> 59 60<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A> 61 62<UL> 63 <li> Get rid of the old configuration system and switch to 64 GNU autotools. 65</UL> 66 67<P><HR WIDTH=65% ALIGN=left> 68 69<!---------------------------------------------------------------------------> 70 71<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A> 72 73<UL> 74 <li> libtiff/tif_ojpeg.c: Fixed problem with duplicated SOI and SOF 75 markers as per bug 76 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=581" 77 http://bugzilla.remotesensing.org/show_bug.cgi?id=581</a>. 78 79 <li> libtiff/{tif_open.c, tiffio.h}: New function added: 80 TIFFIsBigEndian(). Function returns nonzero if given was file written 81 in big-endian order. 82 83 <li> libtiff/tif_print.c: added (untested) support for printing 84 SSHORT, SLONG and SRATIONAL fields. 85 86 <li> libtiff/tif_fax3.c: Avoid reading CCITT compression options 87 if compression type mismatches. See 88 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=565"> 89 http://bugzilla.remotesensing.org/show_bug.cgi?id=565</a>. 90 91 <li> libtiff/tif_strip.c: Never return 0 from the TIFFNumberOfStrips(). 92 93 <li> libtiff/tif_dirread.c: Workaround for broken TIFF writers which 94 store single SampleFormat value for multisampled images. See 95 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=562"> 96 http://bugzilla.remotesensing.org/show_bug.cgi?id=562</a>. 97 98 <li> libtiff/tif_write.c: Allow in-place updating of the compressed 99 images (don't work properly with all codecs). For details see GDAL bug 100 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=534"> 101 http://bugzilla.remotesensing.org/show_bug.cgi?id=534</a>. 102 103 <li> libtiff/tif_jpeg.c: Workaround for wrong sampling factors used 104 in the Intergarph JPEG compressed TIFF images as per bug: 105 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=532"> 106 http://bugzilla.remotesensing.org/show_bug.cgi?id=532</a>. 107 108 <li> libtiff/tif_open.c: Use dummy mmap/munmap functions in 109 TIFFClientOpen() when the appropriate client functions was not 110 supplied by user. 111 112 <li> libtiff/tif_dirread.c: Fixed problem with handling TIFF_UNDEFINED 113 tag type in TIFFFetchNormalTag() as per bug 114 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=508" 115 http://bugzilla.remotesensing.org/show_bug.cgi?id=508</a>. 116 117 <li> libtiff/tif_codec.c: Fixed typo in TIFFInitPackBits name as per: 118 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=494"> 119 http://bugzilla.remotesensing.org/show_bug.cgi?id=494</a>. 120 121 <li> libtiff/tif_fax3.c: Fixed problem, introdiced in 3.6.1 release, 122 with the CCITT encoding modes as per bug 123 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=483"> 124 http://bugzilla.remotesensing.org/show_bug.cgi?id=483</a>. 125 We need more work on fax codec to support update mode. 126 127 <li> libtiff/tiff.h: Fixed tag definitions for TIFFTAG_YCLIPPATHUNITS 128 and TIFFTAG_INDEXED as per bug 129 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=475"> 130 http://bugzilla.remotesensing.org/show_bug.cgi?id=475</a>. 131 132 <li> libtiff/{tif_win32.c, tif_unix.c}: Check whether the pointer is 133 NULL before proceeding further as per bug 134 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=474"> 135 http://bugzilla.remotesensing.org/show_bug.cgi?id=474</a>. 136 Check results, returned by the TIFFFdOpen() before returning and close 137 file if TIFFFdOpen() failed as per bug 138 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=468"> 139 http://bugzilla.remotesensing.org/show_bug.cgi?id=468</a>. 140 141 <li> libtiff/{libtiff.def, tif_close.c, tiffio.h, tif_open.c}: 142 Separate TIFFCleanup() from the TIFFClose() in order to fix the bug 143 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=468"> 144 http://bugzilla.remotesensing.org/show_bug.cgi?id=468</a>. 145 146 <li> libtiff/tif_dirwrite.c: Fixed handling of writable ASCII tags 147 that are field_passcount=TRUE properly. Arguably anonymous custom 148 tags should be declared as passcount=FALSE, but I don't want to change 149 that without a careful review. 150 151 <li> libtiff/tif_write.c: Fixed reporting size of the buffer in case 152 of stripped image in TIFFWriteBufferSetup(). As per bug 153 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=460"> 154 http://bugzilla.remotesensing.org/show_bug.cgi?id=460</a>. 155 156 <li> libtiff/tif_dir.c: Incomplete cleanup in TIFFFreeDirectory(), 157 patch from Gerben Koopmans. 158 159 <li> libtiff/tif_dirread.c: Check field_passcount value before setting 160 the value of undefined type, patch from Gerben Koopmans. 161 162 <li> libtiff/{tiff.h, tif_fax3.c}:Fixes for AMD 64 platform as 163 suggested by Jeremy C. Reed. 164 165 <li> libtiff/tif_win32.c: Fixed problem with _TIFFrealloc() when 166 the NULL pointer passed. Patch supplied by Larry Grill. 167 168</UL> 169 170<P><HR WIDTH=65% ALIGN=left> 171 172<!--------------------------------------------------------------------------> 173 174<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A> 175 176<UL> 177 <li> tiffset: tiffset now can set any libtiff supported tags. Tags 178 can be supplied by the mnemonic name or number. 179 180 <li> ycbcr.c: fixed main() declaration as per: 181 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=513"> 182 http://bugzilla.remotesensing.org/show_bug.cgi?id=513</a>. 183 184 <li> <a href=./man/tiffsplit.1.html>tiffsplit</a>: Don't forget 185 to copy Photometric Interpretation tag. 186 187 <li> <a href=./man/tiffsplit.1.html>tiffsplit</a>: Fixed problem with 188 unproperly written multibyte files. Now output files will be written 189 using the same byte order flag as in the input image. See 190 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=574" 191 http://bugzilla.remotesensing.org/show_bug.cgi?id=574</a>. 192 193 <li> <a href=./man/tiffsplit.1.html>tiffsplit</a>: Copy JPEGTables 194 tag contents for JPEG compressed images. Reported by Artem Mirolubov. 195 196 <li> <a href=./man/tiffcp.1.html>tiffcp</a>: Close output file 197 on normal exit. 198 199 <li> <a href=./man/tiffcp.1.html>tiffcp</a>: Don't emit warnings 200 when Orientation tag does not present in the input image. 201 202 <li> <a href=./man/tiffcp.1.html>tiffcp</a>: Properly set 203 Photometric Interpretation in case of JPEG compression of grayscale 204 images. 205 206 <li> <a href=./man/tiffcp.1.html>tiffcp</a>: Fixed problem with wrong 207 interpretation of the InkNames tag as per bug 208 <a href="http://bugzilla.remotesensing.org/show_bug.cgi?id=466"> 209 http://bugzilla.remotesensing.org/show_bug.cgi?id=466</a>. 210 Memory leak fixed. 211 212 <li> <a href=./man/tiffcp.1.html>tiffcp</a>: Fixed problem with 213 wrong Photometric setting for non-RGB images. 214 215</UL> 216 217<P><HR WIDTH=65% ALIGN=left> 218 219<!---------------------------------------------------------------------------> 220 221<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN THE CONTRIB AREA:</B></A> 222 223<UL> 224 225 <li> Outdated stuff removed. 226 227 <li> Almost all programs are sinchronized with the current libtiff 228 and should compile without problems. 229 230</UL> 231 232<!---------------------------------------------------------------------------> 233 234<A NAME="lzwkit"><B><FONT SIZE=+3>C</FONT>HANGES IN THE LZW COMPRESSION 235KIT:</B></A> 236<UL> 237 238<li> No changes. 239 240</UL> 241 242<A HREF="index.html"><IMG SRC="images/back.gif"></A> TIFF home page.<BR> 243 244<HR> 245 246Last updated $Date: 2016-09-25 20:05:45 $. 247 248</BODY> 249</HTML> 250
