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