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4 Changes in TIFF v3.4beta016
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12 <B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B>
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16 <HR SIZE=4 WIDTH=65% ALIGN=left>
17 <B>Current Version</B>: v3.4beta016<BR>
18 <B>Previous Version</B>: <A HREF=v3.4beta007.html>v3.4beta007</A><BR>
19 <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>
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23 <P>
24 This document describes the changes made to the software between the
25 <I>previous</I> and <I>current</I> versions (see above).
26 If you don't find something listed here, then it was not done in this
27 timeframe, or it was not considered important enough to be mentioned.
28 The following information is located here:
29 <UL>
30 <LI><A HREF="#configure">Changes in the software configuration</A>
31 <LI><A HREF="#libtiff">Changes in libtiff</A>
32 <LI><A HREF="#tools">Changes in the tools</A>
33 <LI><A HREF="#man">Changes in the manual pages</A>
34 <LI><A HREF="#html">Changes in the documentation</A>
35 <LI><A HREF="#contrib">Changes in contributed software</A>
36 </UL>
37
38 <P><HR WIDTH=65% ALIGN=right>
39
40 <A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A>
41
42 <UL>
43 <LI>support was added for configuring the Deflate codec
44 <LI>support was added for the HTML documentation
45 <LI>codecs that are not configured for inclusion in the library
46 are no longer compiled
47 </UL>
48
49 <P><HR WIDTH=65% ALIGN=right>
50
51 <A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
52
53 <UL>
54 <LI>support was added for registering new codecs external to the library
55 and for overriding the codecs that are builtin to the library
56 <LI>emulation support for the old <TT>DataType</TT> tag was improved
57 <LI>suppport was added for the <TT>SMinSampleValue</TT>
58 and <TT>SMaxSampleValue</TT> tags
59 <LI>the library no longer ignores <TT>TileWidth</TT> and <TT>TileLength</TT>
60 tags whose values are not a multiple of 16 (per the spec); this
61 permits old, improperly written, images to be read
62 <LI>the support for the <TT>Predictor</TT> tag was placed in a reusable
63 module so that it can be shared by multiple codecs
64 <LI>experimental compression support was added for the Deflate algorithm
65 (using the freely available zlib package)
66 <LI>a new routine, <TT>TIFFWriteBufferSetup</TT> was added a la the
67 routine <TT>TIFFReadBufferSetup</TT>
68 <LI>the DSO version of the library is now statically linked with the
69 JPEG and Deflate libraries; this means applications that link against
70 the DSO do not also need to link against these ancillary libraries
71 </UL>
72
73 <P><HR WIDTH=65% ALIGN=right>
74
75 <A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
76
77 <UL>
78 <LI>all the tools now use common code to process compress-oriented arguments
79 <LI><TT>tiffdump</TT> should now compile on a Macintosh with MPW
80 </UL>
81
82 <P><HR WIDTH=65% ALIGN=right>
83
84 <A NAME="man"><B><FONT SIZE=+3>C</FONT>HANGES IN THE MANUAL PAGES:</B></A>
85
86 <UL>
87 <LI>everything was updated
88 </UL>
89
90 <P><HR WIDTH=65% ALIGN=right>
91
92 <A NAME="html"><B><FONT SIZE=+3>C</FONT>HANGES IN THE DOCUMENTATION:</B></A>
93
94 <UL>
95 <LI>everything was updated
96 </UL>
97
98 <P><HR WIDTH=65% ALIGN=right>
99
100 <A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN CONTRIBUTED SOFTWARE:</B></A>
101
102 <UL>
103 <LI><B>contrib/dbs/xtiff</B> was made to compile
104 <LI><B>contrib/mac-mpw</B> is new support for compiling the software on
105 a Macintosh under MPW; consult <A HREF=build.html#Mac>the documentation</A>
106 for details
107 <LI><B>contrib/tags</B> is information on how to use the tag extenion
108 facilities; consult
109 <A HREF=../contrib/tags/README>contrib/tags/README</A> for details
110 </UL>
111
112 <A HREF="index.html"><IMG SRC="images/back.gif"></A> TIFF home page.<BR>
113
114 <HR>
115
116 <ADDRESS>
117 <A HREF="sam.html">Sam Leffler</A> / <A HREF="mailto:sam@engr.sgi.com">sam@engr.sgi.com</A>
118 Last updated $Date: 1999/08/09 20:21:21 $.
119 </ADDRESS>
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