1<HTML> 2<HEAD> 3<TITLE> 4Changes in TIFF v3.4beta016 5</TITLE> 6</HEAD> 7 8<BODY> 9 10<BASEFONT SIZE=4> 11<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B> 12<BASEFONT SIZE=3> 13 14<UL> 15<HR SIZE=4 WIDTH=65% ALIGN=left> 16<B>Current Version</B>: v3.4beta016<BR> 17<B>Previous Version</B>: <A HREF=v3.4beta007.html>v3.4beta007</A><BR> 18<B>Master FTP Site</B>: <A HREF="ftp://ftp.sgi.com/graphics/tiff">ftp.sgi.com (192.48.153.1), directory graphics/tiff</A><BR> 19<HR SIZE=4 WIDTH=65% ALIGN=left> 20</UL> 21 22<P> 23This document describes the changes made to the software between the 24<I>previous</I> and <I>current</I> versions (see above). 25If you don't find something listed here, then it was not done in this 26timeframe, or it was not considered important enough to be mentioned. 27The following information is located here: 28<UL> 29<LI><A HREF="#configure">Changes in the software configuration</A> 30<LI><A HREF="#libtiff">Changes in libtiff</A> 31<LI><A HREF="#tools">Changes in the tools</A> 32<LI><A HREF="#man">Changes in the manual pages</A> 33<LI><A HREF="#html">Changes in the documentation</A> 34<LI><A HREF="#contrib">Changes in contributed software</A> 35</UL> 36 37<P><HR WIDTH=65% ALIGN=right> 38 39<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A> 40 41<UL> 42<LI>support was added for configuring the Deflate codec 43<LI>support was added for the HTML documentation 44<LI>codecs that are not configured for inclusion in the library 45 are no longer compiled 46</UL> 47 48<P><HR WIDTH=65% ALIGN=right> 49 50<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A> 51 52<UL> 53<LI>support was added for registering new codecs external to the library 54 and for overriding the codecs that are builtin to the library 55<LI>emulation support for the old <TT>DataType</TT> tag was improved 56<LI>suppport was added for the <TT>SMinSampleValue</TT> 57 and <TT>SMaxSampleValue</TT> tags 58<LI>the library no longer ignores <TT>TileWidth</TT> and <TT>TileLength</TT> 59 tags whose values are not a multiple of 16 (per the spec); this 60 permits old, improperly written, images to be read 61<LI>the support for the <TT>Predictor</TT> tag was placed in a reusable 62 module so that it can be shared by multiple codecs 63<LI>experimental compression support was added for the Deflate algorithm 64 (using the freely available zlib package) 65<LI>a new routine, <TT>TIFFWriteBufferSetup</TT> was added a la the 66 routine <TT>TIFFReadBufferSetup</TT> 67<LI>the DSO version of the library is now statically linked with the 68 JPEG and Deflate libraries; this means applications that link against 69 the DSO do not also need to link against these ancillary libraries 70</UL> 71 72<P><HR WIDTH=65% ALIGN=right> 73 74<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A> 75 76<UL> 77<LI>all the tools now use common code to process compress-oriented arguments 78<LI><TT>tiffdump</TT> should now compile on a Macintosh with MPW 79</UL> 80 81<P><HR WIDTH=65% ALIGN=right> 82 83<A NAME="man"><B><FONT SIZE=+3>C</FONT>HANGES IN THE MANUAL PAGES:</B></A> 84 85<UL> 86<LI>everything was updated 87</UL> 88 89<P><HR WIDTH=65% ALIGN=right> 90 91<A NAME="html"><B><FONT SIZE=+3>C</FONT>HANGES IN THE DOCUMENTATION:</B></A> 92 93<UL> 94<LI>everything was updated 95</UL> 96 97<P><HR WIDTH=65% ALIGN=right> 98 99<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN CONTRIBUTED SOFTWARE:</B></A> 100 101<UL> 102<LI><B>contrib/dbs/xtiff</B> was made to compile 103<LI><B>contrib/mac-mpw</B> is new support for compiling the software on 104 a Macintosh under MPW; consult <A HREF=build.html#Mac>the documentation</A> 105 for details 106<LI><B>contrib/tags</B> is information on how to use the tag extenion 107 facilities; consult 108 <A HREF=../contrib/tags/README>contrib/tags/README</A> for details 109</UL> 110 111<A HREF="index.html"><IMG SRC="images/back.gif"></A> TIFF home page.<BR> 112 113<HR> 114 115<ADDRESS> 116<A HREF="sam.html">Sam Leffler</A> / <A HREF="mailto:[email protected]">[email protected]</A> 117Last updated $Date: 1999-07-27 21:50:27 $. 118</ADDRESS> 119 120</BODY> 121</HTML> 122