/***************************************************************************
fscoeff.h - floyd-steinberg coefficients, mapping colors to ink depths
-------------------
begin : Thu Jan 13 2000
copyright : (C) 1998-2000 by the pnm2ppa project
email :
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef __COEFF_H
#define __COEFF_H
short fs_err_coeff_e[] = {
-111, -111, -110, -110, -109, -109, -108, -108, -108,
-107, -107, -106, -106, -105, -105, -105,
-104, -104, -103, -103, -102, -102, -101, -101, -101,
-100, -100, -99, -99, -98, -98, -98,
-97, -97, -96, -96, -95, -95, -94, -94, -94, -93, -93,
-92, -92, -91, -91, -91,
-90, -90, -89, -89, -88, -88, -87, -87, -87, -86, -86,
-85, -85, -84, -84, -84,
-83, -83, -82, -82, -81, -81, -80, -80, -80, -79, -79,
-78, -78, -77, -77, -77,
-76, -76, -75, -75, -74, -74, -73, -73, -73, -72, -72,
-71, -71, -70, -70, -70,
-69, -69, -68, -68, -67, -67, -66, -66, -66, -65, -65,
-64, -64, -63, -63, -63,
-62, -62, -61, -61, -60, -60, -59, -59, -59, -58, -58,
-57, -57, -56, -56, -56,
-55, -55, -54, -54, -53, -53, -52, -52, -52, -51, -51,
-50, -50, -49, -49, -49,
-48, -48, -47, -47, -46, -46, -45, -45, -45, -44, -44,
-43, -43, -42, -42, -42,
-41, -41, -40, -40, -39, -39, -38, -38, -38, -37, -37,
-36, -36, -35, -35, -35,
-34, -34, -33, -33, -32, -32, -31, -31, -31, -30, -30,
-29, -29, -28, -28, -28,
-27, -27, -26, -26, -25, -25, -24, -24, -24, -23, -23,
-22, -22, -21, -21, -21,
-20, -20, -19, -19, -18, -18, -17, -17, -17, -16, -16,
-15, -15, -14, -14, -14,
-13, -13, -12, -12, -11, -11, -10, -10, -10, -9, -9, -8,
-8, -7, -7, -7,
-6, -6, -5, -5, -4, -4, -3, -3, -3, -2, -2, -1, -1, 0,
0, 0,
0, 0, 1, 1, 2, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6, 7,
7, 7, 8, 8, 9, 9, 10, 10, 10, 11, 11, 12, 12, 13, 13,
14,
14, 14, 15, 15, 16, 16, 17, 17, 17, 18, 18, 19, 19, 20,
20, 21,
21, 21, 22, 22, 23, 23, 24, 24, 24, 25, 25, 26, 26, 27,
27, 28,
28, 28, 29, 29, 30, 30, 31, 31, 31, 32, 32, 33, 33, 34,
34, 35,
35, 35, 36, 36, 37, 37, 38, 38, 38, 39, 39, 40, 40, 41,
41, 42,
42, 42, 43, 43, 44, 44, 45, 45, 45, 46, 46, 47, 47, 48,
48, 49,
49, 49, 50, 50, 51, 51, 52, 52, 52, 53, 53, 54, 54, 55,
55, 56,
56, 56, 57, 57, 58, 58, 59, 59, 59, 60, 60, 61, 61, 62,
62, 63,
63, 63, 64, 64, 65, 65, 66, 66, 66, 67, 67, 68, 68, 69,
69, 70,
70, 70, 71, 71, 72, 72, 73, 73, 73, 74, 74, 75, 75, 76,
76, 77,
77, 77, 78, 78, 79, 79, 80, 80, 80, 81, 81, 82, 82, 83,
83, 84,
84, 84, 85, 85, 86, 86, 87, 87, 87, 88, 88, 89, 89, 90,
90, 91,
91, 91, 92, 92, 93, 93, 94, 94, 94, 95, 95, 96, 96, 97,
97, 98,
98, 98, 99, 99, 100, 100, 101, 101, 101, 102, 102, 103,
103, 104, 104, 105,
105, 105, 106, 106, 107, 107, 108, 108, 108, 109, 109,
110, 110, 111, 111
};
short fs_err_coeff_se[] = {
-47, -47, -47, -47, -47, -46, -46, -46, -46, -46, -45,
-45, -45, -45, -45, -45,
-44, -44, -44, -44, -44, -43, -43, -43, -43, -43, -42,
-42, -42, -42, -42, -42,
-41, -41, -41, -41, -41, -40, -40, -40, -40, -40, -39,
-39, -39, -39, -39, -39,
-38, -38, -38, -38, -38, -37, -37, -37, -37, -37, -36,
-36, -36, -36, -36, -36,
-35, -35, -35, -35, -35, -34, -34, -34, -34, -34, -33,
-33, -33, -33, -33, -33,
-32, -32, -32, -32, -32, -31, -31, -31, -31, -31, -30,
-30, -30, -30, -30, -30,
-29, -29, -29, -29, -29, -28, -28, -28, -28, -28, -27,
-27, -27, -27, -27, -27,
-26, -26, -26, -26, -26, -25, -25, -25, -25, -25, -24,
-24, -24, -24, -24, -24,
-23, -23, -23, -23, -23, -22, -22, -22, -22, -22, -21,
-21, -21, -21, -21, -21,
-20, -20, -20, -20, -20, -19, -19, -19, -19, -19, -18,
-18, -18, -18, -18, -18,
-17, -17, -17, -17, -17, -16, -16, -16, -16, -16, -15,
-15, -15, -15, -15, -15,
-14, -14, -14, -14, -14, -13, -13, -13, -13, -13, -12,
-12, -12, -12, -12, -12,
-11, -11, -11, -11, -11, -10, -10, -10, -10, -10, -9,
-9, -9, -9, -9, -9,
-8, -8, -8, -8, -8, -7, -7, -7, -7, -7, -6, -6, -6, -6,
-6, -6,
-5, -5, -5, -5, -5, -4, -4, -4, -4, -4, -3, -3, -3, -3,
-3, -3,
-2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0,
0,
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3,
3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6,
6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9,
9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11,
12,
12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 14,
14, 15,
15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17,
17, 18,
18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 20, 20, 20, 20,
20, 21,
21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 23, 23, 23, 23,
23, 24,
24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 26, 26, 26, 26,
26, 27,
27, 27, 27, 27, 27, 28, 28, 28, 28, 28, 29, 29, 29, 29,
29, 30,
30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 32, 32, 32, 32,
32, 33,
33, 33, 33, 33, 33, 34, 34, 34, 34, 34, 35, 35, 35, 35,
35, 36,
36, 36, 36, 36, 36, 37, 37, 37, 37, 37, 38, 38, 38, 38,
38, 39,
39, 39, 39, 39, 39, 40, 40, 40, 40, 40, 41, 41, 41, 41,
41, 42,
42, 42, 42, 42, 42, 43, 43, 43, 43, 43, 44, 44, 44, 44,
44, 45,
45, 45, 45, 45, 45, 46, 46, 46, 46, 46, 47, 47, 47, 47,
47
};
short fs_err_coeff_s[] = {
-79, -79, -79, -78, -78, -78, -77, -77, -77, -76, -76,
-76, -75, -75, -75, -75,
-74, -74, -74, -73, -73, -73, -72, -72, -72, -71, -71,
-71, -70, -70, -70, -70,
-69, -69, -69, -68, -68, -68, -67, -67, -67, -66, -66,
-66, -65, -65, -65, -65,
-64, -64, -64, -63, -63, -63, -62, -62, -62, -61, -61,
-61, -60, -60, -60, -60,
-59, -59, -59, -58, -58, -58, -57, -57, -57, -56, -56,
-56, -55, -55, -55, -55,
-54, -54, -54, -53, -53, -53, -52, -52, -52, -51, -51,
-51, -50, -50, -50, -50,
-49, -49, -49, -48, -48, -48, -47, -47, -47, -46, -46,
-46, -45, -45, -45, -45,
-44, -44, -44, -43, -43, -43, -42, -42, -42, -41, -41,
-41, -40, -40, -40, -40,
-39, -39, -39, -38, -38, -38, -37, -37, -37, -36, -36,
-36, -35, -35, -35, -35,
-34, -34, -34, -33, -33, -33, -32, -32, -32, -31, -31,
-31, -30, -30, -30, -30,
-29, -29, -29, -28, -28, -28, -27, -27, -27, -26, -26,
-26, -25, -25, -25, -25,
-24, -24, -24, -23, -23, -23, -22, -22, -22, -21, -21,
-21, -20, -20, -20, -20,
-19, -19, -19, -18, -18, -18, -17, -17, -17, -16, -16,
-16, -15, -15, -15, -15,
-14, -14, -14, -13, -13, -13, -12, -12, -12, -11, -11,
-11, -10, -10, -10, -10,
-9, -9, -9, -8, -8, -8, -7, -7, -7, -6, -6, -6, -5, -5,
-5, -5,
-4, -4, -4, -3, -3, -3, -2, -2, -2, -1, -1, -1, 0, 0, 0,
0,
0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5,
5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10,
10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14,
14, 15,
15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19,
19, 20,
20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 24, 24,
24, 25,
25, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29,
29, 30,
30, 30, 30, 31, 31, 31, 32, 32, 32, 33, 33, 33, 34, 34,
34, 35,
35, 35, 35, 36, 36, 36, 37, 37, 37, 38, 38, 38, 39, 39,
39, 40,
40, 40, 40, 41, 41, 41, 42, 42, 42, 43, 43, 43, 44, 44,
44, 45,
45, 45, 45, 46, 46, 46, 47, 47, 47, 48, 48, 48, 49, 49,
49, 50,
50, 50, 50, 51, 51, 51, 52, 52, 52, 53, 53, 53, 54, 54,
54, 55,
55, 55, 55, 56, 56, 56, 57, 57, 57, 58, 58, 58, 59, 59,
59, 60,
60, 60, 60, 61, 61, 61, 62, 62, 62, 63, 63, 63, 64, 64,
64, 65,
65, 65, 65, 66, 66, 66, 67, 67, 67, 68, 68, 68, 69, 69,
69, 70,
70, 70, 70, 71, 71, 71, 72, 72, 72, 73, 73, 73, 74, 74,
74, 75,
75, 75, 75, 76, 76, 76, 77, 77, 77, 78, 78, 78, 79, 79,
79
};
short fs_err_coeff_sw[] = {
-18, -17, -17, -17, -17, -17, -18, -17, -16, -17, -17,
-17, -17, -17, -16, -15,
-17, -16, -16, -16, -16, -16, -17, -16, -15, -16, -16,
-16, -16, -16, -15, -14,
-16, -15, -15, -15, -15, -15, -16, -15, -14, -15, -15,
-15, -15, -15, -14, -13,
-15, -14, -14, -14, -14, -14, -15, -14, -13, -14, -14,
-14, -14, -14, -13, -12,
-14, -13, -13, -13, -13, -13, -14, -13, -12, -13, -13,
-13, -13, -13, -12, -11,
-13, -12, -12, -12, -12, -12, -13, -12, -11, -12, -12,
-12, -12, -12, -11, -10,
-12, -11, -11, -11, -11, -11, -12, -11, -10, -11, -11,
-11, -11, -11, -10, -9,
-11, -10, -10, -10, -10, -10, -11, -10, -9, -10, -10,
-10, -10, -10, -9, -8,
-10, -9, -9, -9, -9, -9, -10, -9, -8, -9, -9, -9, -9,
-9, -8, -7,
-9, -8, -8, -8, -8, -8, -9, -8, -7, -8, -8, -8, -8, -8,
-7, -6,
-8, -7, -7, -7, -7, -7, -8, -7, -6, -7, -7, -7, -7, -7,
-6, -5,
-7, -6, -6, -6, -6, -6, -7, -6, -5, -6, -6, -6, -6, -6,
-5, -4,
-6, -5, -5, -5, -5, -5, -6, -5, -4, -5, -5, -5, -5, -5,
-4, -3,
-5, -4, -4, -4, -4, -4, -5, -4, -3, -4, -4, -4, -4, -4,
-3, -2,
-4, -3, -3, -3, -3, -3, -4, -3, -2, -3, -3, -3, -3, -3,
-2, -1,
-3, -2, -2, -2, -2, -2, -3, -2, -1, -2, -2, -2, -2, -2,
-1, 0,
1, 2, 2, 2, 2, 2, 1, 2, 3, 2, 2, 2, 2, 2, 3, 1,
2, 3, 3, 3, 3, 3, 2, 3, 4, 3, 3, 3, 3, 3, 4, 2,
3, 4, 4, 4, 4, 4, 3, 4, 5, 4, 4, 4, 4, 4, 5, 3,
4, 5, 5, 5, 5, 5, 4, 5, 6, 5, 5, 5, 5, 5, 6, 4,
5, 6, 6, 6, 6, 6, 5, 6, 7, 6, 6, 6, 6, 6, 7, 5,
6, 7, 7, 7, 7, 7, 6, 7, 8, 7, 7, 7, 7, 7, 8, 6,
7, 8, 8, 8, 8, 8, 7, 8, 9, 8, 8, 8, 8, 8, 9, 7,
8, 9, 9, 9, 9, 9, 8, 9, 10, 9, 9, 9, 9, 9, 10, 8,
9, 10, 10, 10, 10, 10, 9, 10, 11, 10, 10, 10, 10, 10,
11, 9,
10, 11, 11, 11, 11, 11, 10, 11, 12, 11, 11, 11, 11, 11,
12, 10,
11, 12, 12, 12, 12, 12, 11, 12, 13, 12, 12, 12, 12, 12,
13, 11,
12, 13, 13, 13, 13, 13, 12, 13, 14, 13, 13, 13, 13, 13,
14, 12,
13, 14, 14, 14, 14, 14, 13, 14, 15, 14, 14, 14, 14, 14,
15, 13,
14, 15, 15, 15, 15, 15, 14, 15, 16, 15, 15, 15, 15, 15,
16, 14,
15, 16, 16, 16, 16, 16, 15, 16, 17, 16, 16, 16, 16, 16,
17, 15,
16, 17, 17, 17, 17, 17, 16, 17, 18, 17, 17, 17, 17, 17,
18
};
#endif /* ; */