Visualization Library 2.0.0-b5

A lightweight C++ OpenGL middleware for 2D/3D graphics

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t4.h
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1 /* $Id: t4.h,v 1.1.1.1 1999/07/27 21:50:27 mike Exp $ */
2 
3 /*
4  * Copyright (c) 1988-1997 Sam Leffler
5  * Copyright (c) 1991-1997 Silicon Graphics, Inc.
6  *
7  * Permission to use, copy, modify, distribute, and sell this software and
8  * its documentation for any purpose is hereby granted without fee, provided
9  * that (i) the above copyright notices and this permission notice appear in
10  * all copies of the software and related documentation, and (ii) the names of
11  * Sam Leffler and Silicon Graphics may not be used in any advertising or
12  * publicity relating to the software without the specific, prior written
13  * permission of Sam Leffler and Silicon Graphics.
14  *
15  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
16  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
17  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
18  *
19  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
20  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
21  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
22  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
24  * OF THIS SOFTWARE.
25  */
26 
27 #ifndef _T4_
28 #define _T4_
29 /*
30  * CCITT T.4 1D Huffman runlength codes and
31  * related definitions. Given the small sizes
32  * of these tables it does not seem
33  * worthwhile to make code & length 8 bits.
34  */
35 typedef struct tableentry {
36  unsigned short length; /* bit length of g3 code */
37  unsigned short code; /* g3 code */
38  short runlen; /* run length in bits */
39 } tableentry;
40 
41 #define EOL 0x001 /* EOL code value - 0000 0000 0000 1 */
42 
43 /* status values returned instead of a run length */
44 #define G3CODE_EOL -1 /* NB: ACT_EOL - ACT_WRUNT */
45 #define G3CODE_INVALID -2 /* NB: ACT_INVALID - ACT_WRUNT */
46 #define G3CODE_EOF -3 /* end of input data */
47 #define G3CODE_INCOMP -4 /* incomplete run code */
48 
49 /*
50  * Note that these tables are ordered such that the
51  * index into the table is known to be either the
52  * run length, or (run length / 64) + a fixed offset.
53  *
54  * NB: The G3CODE_INVALID entries are only used
55  * during state generation (see mkg3states.c).
56  */
57 #ifdef G3CODES
58 const tableentry TIFFFaxWhiteCodes[] = {
59  { 8, 0x35, 0 }, /* 0011 0101 */
60  { 6, 0x7, 1 }, /* 0001 11 */
61  { 4, 0x7, 2 }, /* 0111 */
62  { 4, 0x8, 3 }, /* 1000 */
63  { 4, 0xB, 4 }, /* 1011 */
64  { 4, 0xC, 5 }, /* 1100 */
65  { 4, 0xE, 6 }, /* 1110 */
66  { 4, 0xF, 7 }, /* 1111 */
67  { 5, 0x13, 8 }, /* 1001 1 */
68  { 5, 0x14, 9 }, /* 1010 0 */
69  { 5, 0x7, 10 }, /* 0011 1 */
70  { 5, 0x8, 11 }, /* 0100 0 */
71  { 6, 0x8, 12 }, /* 0010 00 */
72  { 6, 0x3, 13 }, /* 0000 11 */
73  { 6, 0x34, 14 }, /* 1101 00 */
74  { 6, 0x35, 15 }, /* 1101 01 */
75  { 6, 0x2A, 16 }, /* 1010 10 */
76  { 6, 0x2B, 17 }, /* 1010 11 */
77  { 7, 0x27, 18 }, /* 0100 111 */
78  { 7, 0xC, 19 }, /* 0001 100 */
79  { 7, 0x8, 20 }, /* 0001 000 */
80  { 7, 0x17, 21 }, /* 0010 111 */
81  { 7, 0x3, 22 }, /* 0000 011 */
82  { 7, 0x4, 23 }, /* 0000 100 */
83  { 7, 0x28, 24 }, /* 0101 000 */
84  { 7, 0x2B, 25 }, /* 0101 011 */
85  { 7, 0x13, 26 }, /* 0010 011 */
86  { 7, 0x24, 27 }, /* 0100 100 */
87  { 7, 0x18, 28 }, /* 0011 000 */
88  { 8, 0x2, 29 }, /* 0000 0010 */
89  { 8, 0x3, 30 }, /* 0000 0011 */
90  { 8, 0x1A, 31 }, /* 0001 1010 */
91  { 8, 0x1B, 32 }, /* 0001 1011 */
92  { 8, 0x12, 33 }, /* 0001 0010 */
93  { 8, 0x13, 34 }, /* 0001 0011 */
94  { 8, 0x14, 35 }, /* 0001 0100 */
95  { 8, 0x15, 36 }, /* 0001 0101 */
96  { 8, 0x16, 37 }, /* 0001 0110 */
97  { 8, 0x17, 38 }, /* 0001 0111 */
98  { 8, 0x28, 39 }, /* 0010 1000 */
99  { 8, 0x29, 40 }, /* 0010 1001 */
100  { 8, 0x2A, 41 }, /* 0010 1010 */
101  { 8, 0x2B, 42 }, /* 0010 1011 */
102  { 8, 0x2C, 43 }, /* 0010 1100 */
103  { 8, 0x2D, 44 }, /* 0010 1101 */
104  { 8, 0x4, 45 }, /* 0000 0100 */
105  { 8, 0x5, 46 }, /* 0000 0101 */
106  { 8, 0xA, 47 }, /* 0000 1010 */
107  { 8, 0xB, 48 }, /* 0000 1011 */
108  { 8, 0x52, 49 }, /* 0101 0010 */
109  { 8, 0x53, 50 }, /* 0101 0011 */
110  { 8, 0x54, 51 }, /* 0101 0100 */
111  { 8, 0x55, 52 }, /* 0101 0101 */
112  { 8, 0x24, 53 }, /* 0010 0100 */
113  { 8, 0x25, 54 }, /* 0010 0101 */
114  { 8, 0x58, 55 }, /* 0101 1000 */
115  { 8, 0x59, 56 }, /* 0101 1001 */
116  { 8, 0x5A, 57 }, /* 0101 1010 */
117  { 8, 0x5B, 58 }, /* 0101 1011 */
118  { 8, 0x4A, 59 }, /* 0100 1010 */
119  { 8, 0x4B, 60 }, /* 0100 1011 */
120  { 8, 0x32, 61 }, /* 0011 0010 */
121  { 8, 0x33, 62 }, /* 0011 0011 */
122  { 8, 0x34, 63 }, /* 0011 0100 */
123  { 5, 0x1B, 64 }, /* 1101 1 */
124  { 5, 0x12, 128 }, /* 1001 0 */
125  { 6, 0x17, 192 }, /* 0101 11 */
126  { 7, 0x37, 256 }, /* 0110 111 */
127  { 8, 0x36, 320 }, /* 0011 0110 */
128  { 8, 0x37, 384 }, /* 0011 0111 */
129  { 8, 0x64, 448 }, /* 0110 0100 */
130  { 8, 0x65, 512 }, /* 0110 0101 */
131  { 8, 0x68, 576 }, /* 0110 1000 */
132  { 8, 0x67, 640 }, /* 0110 0111 */
133  { 9, 0xCC, 704 }, /* 0110 0110 0 */
134  { 9, 0xCD, 768 }, /* 0110 0110 1 */
135  { 9, 0xD2, 832 }, /* 0110 1001 0 */
136  { 9, 0xD3, 896 }, /* 0110 1001 1 */
137  { 9, 0xD4, 960 }, /* 0110 1010 0 */
138  { 9, 0xD5, 1024 }, /* 0110 1010 1 */
139  { 9, 0xD6, 1088 }, /* 0110 1011 0 */
140  { 9, 0xD7, 1152 }, /* 0110 1011 1 */
141  { 9, 0xD8, 1216 }, /* 0110 1100 0 */
142  { 9, 0xD9, 1280 }, /* 0110 1100 1 */
143  { 9, 0xDA, 1344 }, /* 0110 1101 0 */
144  { 9, 0xDB, 1408 }, /* 0110 1101 1 */
145  { 9, 0x98, 1472 }, /* 0100 1100 0 */
146  { 9, 0x99, 1536 }, /* 0100 1100 1 */
147  { 9, 0x9A, 1600 }, /* 0100 1101 0 */
148  { 6, 0x18, 1664 }, /* 0110 00 */
149  { 9, 0x9B, 1728 }, /* 0100 1101 1 */
150  { 11, 0x8, 1792 }, /* 0000 0001 000 */
151  { 11, 0xC, 1856 }, /* 0000 0001 100 */
152  { 11, 0xD, 1920 }, /* 0000 0001 101 */
153  { 12, 0x12, 1984 }, /* 0000 0001 0010 */
154  { 12, 0x13, 2048 }, /* 0000 0001 0011 */
155  { 12, 0x14, 2112 }, /* 0000 0001 0100 */
156  { 12, 0x15, 2176 }, /* 0000 0001 0101 */
157  { 12, 0x16, 2240 }, /* 0000 0001 0110 */
158  { 12, 0x17, 2304 }, /* 0000 0001 0111 */
159  { 12, 0x1C, 2368 }, /* 0000 0001 1100 */
160  { 12, 0x1D, 2432 }, /* 0000 0001 1101 */
161  { 12, 0x1E, 2496 }, /* 0000 0001 1110 */
162  { 12, 0x1F, 2560 }, /* 0000 0001 1111 */
163  { 12, 0x1, G3CODE_EOL }, /* 0000 0000 0001 */
164  { 9, 0x1, G3CODE_INVALID }, /* 0000 0000 1 */
165  { 10, 0x1, G3CODE_INVALID }, /* 0000 0000 01 */
166  { 11, 0x1, G3CODE_INVALID }, /* 0000 0000 001 */
167  { 12, 0x0, G3CODE_INVALID }, /* 0000 0000 0000 */
168 };
169 
170 const tableentry TIFFFaxBlackCodes[] = {
171  { 10, 0x37, 0 }, /* 0000 1101 11 */
172  { 3, 0x2, 1 }, /* 010 */
173  { 2, 0x3, 2 }, /* 11 */
174  { 2, 0x2, 3 }, /* 10 */
175  { 3, 0x3, 4 }, /* 011 */
176  { 4, 0x3, 5 }, /* 0011 */
177  { 4, 0x2, 6 }, /* 0010 */
178  { 5, 0x3, 7 }, /* 0001 1 */
179  { 6, 0x5, 8 }, /* 0001 01 */
180  { 6, 0x4, 9 }, /* 0001 00 */
181  { 7, 0x4, 10 }, /* 0000 100 */
182  { 7, 0x5, 11 }, /* 0000 101 */
183  { 7, 0x7, 12 }, /* 0000 111 */
184  { 8, 0x4, 13 }, /* 0000 0100 */
185  { 8, 0x7, 14 }, /* 0000 0111 */
186  { 9, 0x18, 15 }, /* 0000 1100 0 */
187  { 10, 0x17, 16 }, /* 0000 0101 11 */
188  { 10, 0x18, 17 }, /* 0000 0110 00 */
189  { 10, 0x8, 18 }, /* 0000 0010 00 */
190  { 11, 0x67, 19 }, /* 0000 1100 111 */
191  { 11, 0x68, 20 }, /* 0000 1101 000 */
192  { 11, 0x6C, 21 }, /* 0000 1101 100 */
193  { 11, 0x37, 22 }, /* 0000 0110 111 */
194  { 11, 0x28, 23 }, /* 0000 0101 000 */
195  { 11, 0x17, 24 }, /* 0000 0010 111 */
196  { 11, 0x18, 25 }, /* 0000 0011 000 */
197  { 12, 0xCA, 26 }, /* 0000 1100 1010 */
198  { 12, 0xCB, 27 }, /* 0000 1100 1011 */
199  { 12, 0xCC, 28 }, /* 0000 1100 1100 */
200  { 12, 0xCD, 29 }, /* 0000 1100 1101 */
201  { 12, 0x68, 30 }, /* 0000 0110 1000 */
202  { 12, 0x69, 31 }, /* 0000 0110 1001 */
203  { 12, 0x6A, 32 }, /* 0000 0110 1010 */
204  { 12, 0x6B, 33 }, /* 0000 0110 1011 */
205  { 12, 0xD2, 34 }, /* 0000 1101 0010 */
206  { 12, 0xD3, 35 }, /* 0000 1101 0011 */
207  { 12, 0xD4, 36 }, /* 0000 1101 0100 */
208  { 12, 0xD5, 37 }, /* 0000 1101 0101 */
209  { 12, 0xD6, 38 }, /* 0000 1101 0110 */
210  { 12, 0xD7, 39 }, /* 0000 1101 0111 */
211  { 12, 0x6C, 40 }, /* 0000 0110 1100 */
212  { 12, 0x6D, 41 }, /* 0000 0110 1101 */
213  { 12, 0xDA, 42 }, /* 0000 1101 1010 */
214  { 12, 0xDB, 43 }, /* 0000 1101 1011 */
215  { 12, 0x54, 44 }, /* 0000 0101 0100 */
216  { 12, 0x55, 45 }, /* 0000 0101 0101 */
217  { 12, 0x56, 46 }, /* 0000 0101 0110 */
218  { 12, 0x57, 47 }, /* 0000 0101 0111 */
219  { 12, 0x64, 48 }, /* 0000 0110 0100 */
220  { 12, 0x65, 49 }, /* 0000 0110 0101 */
221  { 12, 0x52, 50 }, /* 0000 0101 0010 */
222  { 12, 0x53, 51 }, /* 0000 0101 0011 */
223  { 12, 0x24, 52 }, /* 0000 0010 0100 */
224  { 12, 0x37, 53 }, /* 0000 0011 0111 */
225  { 12, 0x38, 54 }, /* 0000 0011 1000 */
226  { 12, 0x27, 55 }, /* 0000 0010 0111 */
227  { 12, 0x28, 56 }, /* 0000 0010 1000 */
228  { 12, 0x58, 57 }, /* 0000 0101 1000 */
229  { 12, 0x59, 58 }, /* 0000 0101 1001 */
230  { 12, 0x2B, 59 }, /* 0000 0010 1011 */
231  { 12, 0x2C, 60 }, /* 0000 0010 1100 */
232  { 12, 0x5A, 61 }, /* 0000 0101 1010 */
233  { 12, 0x66, 62 }, /* 0000 0110 0110 */
234  { 12, 0x67, 63 }, /* 0000 0110 0111 */
235  { 10, 0xF, 64 }, /* 0000 0011 11 */
236  { 12, 0xC8, 128 }, /* 0000 1100 1000 */
237  { 12, 0xC9, 192 }, /* 0000 1100 1001 */
238  { 12, 0x5B, 256 }, /* 0000 0101 1011 */
239  { 12, 0x33, 320 }, /* 0000 0011 0011 */
240  { 12, 0x34, 384 }, /* 0000 0011 0100 */
241  { 12, 0x35, 448 }, /* 0000 0011 0101 */
242  { 13, 0x6C, 512 }, /* 0000 0011 0110 0 */
243  { 13, 0x6D, 576 }, /* 0000 0011 0110 1 */
244  { 13, 0x4A, 640 }, /* 0000 0010 0101 0 */
245  { 13, 0x4B, 704 }, /* 0000 0010 0101 1 */
246  { 13, 0x4C, 768 }, /* 0000 0010 0110 0 */
247  { 13, 0x4D, 832 }, /* 0000 0010 0110 1 */
248  { 13, 0x72, 896 }, /* 0000 0011 1001 0 */
249  { 13, 0x73, 960 }, /* 0000 0011 1001 1 */
250  { 13, 0x74, 1024 }, /* 0000 0011 1010 0 */
251  { 13, 0x75, 1088 }, /* 0000 0011 1010 1 */
252  { 13, 0x76, 1152 }, /* 0000 0011 1011 0 */
253  { 13, 0x77, 1216 }, /* 0000 0011 1011 1 */
254  { 13, 0x52, 1280 }, /* 0000 0010 1001 0 */
255  { 13, 0x53, 1344 }, /* 0000 0010 1001 1 */
256  { 13, 0x54, 1408 }, /* 0000 0010 1010 0 */
257  { 13, 0x55, 1472 }, /* 0000 0010 1010 1 */
258  { 13, 0x5A, 1536 }, /* 0000 0010 1101 0 */
259  { 13, 0x5B, 1600 }, /* 0000 0010 1101 1 */
260  { 13, 0x64, 1664 }, /* 0000 0011 0010 0 */
261  { 13, 0x65, 1728 }, /* 0000 0011 0010 1 */
262  { 11, 0x8, 1792 }, /* 0000 0001 000 */
263  { 11, 0xC, 1856 }, /* 0000 0001 100 */
264  { 11, 0xD, 1920 }, /* 0000 0001 101 */
265  { 12, 0x12, 1984 }, /* 0000 0001 0010 */
266  { 12, 0x13, 2048 }, /* 0000 0001 0011 */
267  { 12, 0x14, 2112 }, /* 0000 0001 0100 */
268  { 12, 0x15, 2176 }, /* 0000 0001 0101 */
269  { 12, 0x16, 2240 }, /* 0000 0001 0110 */
270  { 12, 0x17, 2304 }, /* 0000 0001 0111 */
271  { 12, 0x1C, 2368 }, /* 0000 0001 1100 */
272  { 12, 0x1D, 2432 }, /* 0000 0001 1101 */
273  { 12, 0x1E, 2496 }, /* 0000 0001 1110 */
274  { 12, 0x1F, 2560 }, /* 0000 0001 1111 */
275  { 12, 0x1, G3CODE_EOL }, /* 0000 0000 0001 */
276  { 9, 0x1, G3CODE_INVALID }, /* 0000 0000 1 */
277  { 10, 0x1, G3CODE_INVALID }, /* 0000 0000 01 */
278  { 11, 0x1, G3CODE_INVALID }, /* 0000 0000 001 */
279  { 12, 0x0, G3CODE_INVALID }, /* 0000 0000 0000 */
280 };
281 #else
282 extern const tableentry TIFFFaxWhiteCodes[];
283 extern const tableentry TIFFFaxBlackCodes[];
284 #endif
285 #endif /* _T4_ */
TIFFFaxWhiteCodes
const tableentry TIFFFaxWhiteCodes[]
TIFFFaxBlackCodes
const tableentry TIFFFaxBlackCodes[]
G3CODE_EOL
#define G3CODE_EOL
Definition: t4.h:44
tableentry::code
unsigned short code
Definition: t4.h:37
G3CODE_INVALID
#define G3CODE_INVALID
Definition: t4.h:45
tableentry::length
unsigned short length
Definition: t4.h:36
tableentry
Definition: t4.h:35
tableentry
struct tableentry tableentry
tableentry::runlen
short runlen
Definition: t4.h:38

Visualization Library 2.0.0-b5 Reference Documentation

Updated on Mon Feb 10 2020 02:44:47.

© Copyright Michele Bosi. All rights reserved.