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1 | <HTML> | |
2 | <HEAD> | |
3 | <TITLE> | |
4 | Acknowledgments and Other Issues | |
5 | </TITLE> | |
6 | </HEAD> | |
7 | <BODY BGCOLOR=white> | |
8 | <FONT FACE="Arial, Helvetica, Sans"> | |
9 | <H1> | |
10 | <IMG SRC=images/ring.gif WIDTH=124 HEIGHT=124 ALIGN=left BORDER=1 HSPACE=6> | |
11 | Acknowledgments and Other Issues | |
12 | </H1> | |
13 | ||
14 | <P> | |
15 | Silicon Graphics has seen fit to allow us to give this work away. It | |
16 | is free. There is no support or guarantee of any sort as to its | |
17 | operations, correctness, or whatever. If you do anything useful with | |
18 | all or parts of it you need to honor the copyright notices. It would | |
19 | also be nice to be acknowledged.<p> | |
20 | ||
21 | <BR CLEAR=left> | |
22 | ||
23 | <H2>Acknowledgements</H2> | |
24 | ||
25 | The libtiff software was written by Sam Leffler while working for | |
26 | Silicon Graphics.<p> | |
27 | ||
28 | The LZW algorithm is derived from the compress program (the proper attribution | |
29 | is included in the source code). The Group 3 fax stuff originated as code | |
30 | from Jef Poskanzer, but has since been rewritten several times. The latest | |
31 | version uses an algorithm from Frank Cringle -- consult | |
32 | <TT>libtiff/mkg3states.c</TT> and <TT>libtiff/tif_fax3.h</TT> for further | |
33 | information. The JPEG support was written by Tom Lane and is dependent on the | |
34 | excellent work of Tom Lane and the Independent JPEG Group (IJG) who distribute | |
35 | their work under friendly licensing similar to this software. Joris Van Damme | |
36 | implemented the robust Old JPEG decoder (as included in libtiff since version | |
37 | 3.9.0, there was another Old JPEG module in older releases, which was | |
38 | incomplete and unsuitable for many existing images of that format). JBIG | |
39 | module was written by Lee Howard and depends on JBIG library from the Markus | |
40 | Kuhn. Many other people have by now helped with bug fixes and code; a few of | |
41 | the more persistent contributors have been: | |
42 | ||
43 | <PRE> | |
44 | Bjorn P. Brox | |
45 | Dan McCoy | |
46 | J.T. Conklin | |
47 | Richard Minner | |
48 | Frank D. Cringle | |
49 | Richard Mlynarik | |
50 | Soren Pingel Dalsgaard | |
51 | Niles Ritter | |
52 | Steve Johnson | |
53 | Karsten Spang | |
54 | Tom Lane | |
55 | Peter Smith | |
56 | Brent Roman | |
57 | Mike Welles | |
58 | Frank Warmerdam | |
59 | Greg Ward | |
60 | Stanislav Brabec | |
61 | Roman Shpount | |
62 | Peter Skarpetis | |
63 | Arvan Pritchard | |
64 | Bernt Herd | |
65 | Joseph Orost | |
66 | Phil Beffery | |
67 | Ivo Penzar | |
68 | Francois Dagand | |
69 | Albert Chin-A-Young | |
70 | Bruce A. Mallett | |
71 | Dwight Kelly | |
72 | Andrey Kiselev | |
73 | Ross Finlayson | |
74 | Dmitry V. Levin | |
75 | Bob Friesenhahn | |
76 | Lee Howard | |
77 | Joris Van Damme | |
78 | Tavis Ormandy | |
79 | Richard Nolde | |
80 | </PRE> | |
81 | ||
82 | (my apology to anyone that was inadvertently not listed.) | |
83 | ||
84 | <H2>Use and Copyright</H2> | |
85 | ||
86 | <P><H5><PRE> | |
87 | Copyright (c) 1988-1997 Sam Leffler | |
88 | Copyright (c) 1991-1997 Silicon Graphics, Inc. | |
89 | ||
90 | Permission to use, copy, modify, distribute, and sell this software and | |
91 | its documentation for any purpose is hereby granted without fee, provided | |
92 | that (i) the above copyright notices and this permission notice appear in | |
93 | all copies of the software and related documentation, and (ii) the names of | |
94 | Sam Leffler and Silicon Graphics may not be used in any advertising or | |
95 | publicity relating to the software without the specific, prior written | |
96 | permission of Sam Leffler and Silicon Graphics. | |
97 | ||
98 | THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, | |
99 | EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY | |
100 | WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. | |
101 | ||
102 | IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR | |
103 | ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, | |
104 | OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
105 | WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF | |
106 | LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
107 | OF THIS SOFTWARE. | |
108 | </PRE></H5> | |
109 | ||
110 | <P> | |
111 | <HR> | |
112 | ||
113 | ||
114 | Last updated: $Date: 2007/02/24 15:47:04 $ | |
115 | </BODY> | |
116 | </HTML> |