/*************************************************************************** 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 /* ; */