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ac884b6a MS |
1 | /* |
2 | * "$Id$" | |
3 | * | |
4 | * sRGB lookup tables for CUPS. | |
5 | * | |
6 | * Copyright 2007 by Apple Inc. | |
7 | * Copyright 1993-2005 by Easy Software Products. | |
8 | * | |
9 | * These coded instructions, statements, and computer programs are the | |
10 | * property of Apple Inc. and are protected by Federal copyright | |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
14 | */ | |
15 | ||
16 | /* | |
17 | * Include necessary headers. | |
18 | */ | |
19 | ||
20 | #include "driver.h" | |
21 | ||
22 | ||
23 | /* | |
24 | * sRGB gamma lookup table. | |
25 | */ | |
26 | ||
27 | const unsigned char cups_srgb_lut[256] = | |
28 | { | |
29 | 0, 20, 28, 33, 38, 42, 46, 49, 52, 55, 58, 61, 63, 65, 68, | |
30 | 70, 72, 74, 76, 78, 80, 81, 83, 85, 87, 88, 90, 91, 93, 94, | |
31 | 96, 97, 99, 100, 102, 103, 104, 106, 107, 108, 109, 111, 112, 113, 114, | |
32 | 115, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 128, 129, 130, 131, | |
33 | 132, 133, 134, 135, 136, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, | |
34 | 146, 147, 147, 148, 149, 150, 151, 152, 153, 153, 154, 155, 156, 157, 158, | |
35 | 158, 159, 160, 161, 162, 162, 163, 164, 165, 165, 166, 167, 168, 168, 169, | |
36 | 170, 171, 171, 172, 173, 174, 174, 175, 176, 176, 177, 178, 178, 179, 180, | |
37 | 181, 181, 182, 183, 183, 184, 185, 185, 186, 187, 187, 188, 189, 189, 190, | |
38 | 190, 191, 192, 192, 193, 194, 194, 195, 196, 196, 197, 197, 198, 199, 199, | |
39 | 200, 200, 201, 202, 202, 203, 203, 204, 205, 205, 206, 206, 207, 208, 208, | |
40 | 209, 209, 210, 210, 211, 212, 212, 213, 213, 214, 214, 215, 216, 216, 217, | |
41 | 217, 218, 218, 219, 219, 220, 220, 221, 222, 222, 223, 223, 224, 224, 225, | |
42 | 225, 226, 226, 227, 227, 228, 228, 229, 229, 230, 230, 231, 231, 232, 232, | |
43 | 233, 233, 234, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239, 239, 240, | |
44 | 240, 241, 241, 242, 242, 243, 243, 244, 244, 245, 245, 246, 246, 247, 247, | |
45 | 248, 248, 249, 249, 249, 250, 250, 251, 251, 252, 252, 253, 253, 254, 254, | |
46 | 255 | |
47 | }; | |
48 | ||
49 | ||
50 | /* | |
51 | * sRGB gamma lookup table (inverted output to map to CMYK...) | |
52 | */ | |
53 | ||
54 | const unsigned char cups_scmy_lut[256] = | |
55 | { | |
56 | 255, 235, 227, 222, 217, 213, 209, 206, 203, 200, 197, 194, 192, 190, 187, | |
57 | 185, 183, 181, 179, 177, 175, 174, 172, 170, 168, 167, 165, 164, 162, 161, | |
58 | 159, 158, 156, 155, 153, 152, 151, 149, 148, 147, 146, 144, 143, 142, 141, | |
59 | 140, 138, 137, 136, 135, 134, 133, 132, 131, 130, 129, 127, 126, 125, 124, | |
60 | 123, 122, 121, 120, 119, 119, 118, 117, 116, 115, 114, 113, 112, 111, 110, | |
61 | 109, 108, 108, 107, 106, 105, 104, 103, 102, 102, 101, 100, 99, 98, 97, | |
62 | 97, 96, 95, 94, 93, 93, 92, 91, 90, 90, 89, 88, 87, 87, 86, | |
63 | 85, 84, 84, 83, 82, 81, 81, 80, 79, 79, 78, 77, 77, 76, 75, | |
64 | 74, 74, 73, 72, 72, 71, 70, 70, 69, 68, 68, 67, 66, 66, 65, | |
65 | 65, 64, 63, 63, 62, 61, 61, 60, 59, 59, 58, 58, 57, 56, 56, | |
66 | 55, 55, 54, 53, 53, 52, 52, 51, 50, 50, 49, 49, 48, 47, 47, | |
67 | 46, 46, 45, 45, 44, 43, 43, 42, 42, 41, 41, 40, 39, 39, 38, | |
68 | 38, 37, 37, 36, 36, 35, 35, 34, 33, 33, 32, 32, 31, 31, 30, | |
69 | 30, 29, 29, 28, 28, 27, 27, 26, 26, 25, 25, 24, 24, 23, 23, | |
70 | 22, 22, 21, 21, 20, 20, 19, 19, 18, 18, 17, 17, 16, 16, 15, | |
71 | 15, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, | |
72 | 7, 7, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, | |
73 | 0 | |
74 | }; | |
75 | ||
76 | ||
77 | /* | |
78 | * End of "$Id$". | |
79 | */ |