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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 259 | daniel-mar | 1 | /* |
| 2 | This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
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| 3 | Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au |
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| 4 | Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft |
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| 5 | |||
| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2 of the License, or |
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| 9 | (at your option) any later version. |
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| 10 | |||
| 11 | This program is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | GNU General Public License for more details. |
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| 15 | |||
| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with this program; if not, write to the Free Software |
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| 18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 19 | */ |
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| 20 | |||
| 294 | daniel-mar | 21 | // Strict compatibility to Filter Factory |
| 22 | // Tested OK! |
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| 23 | #define use_filterfactory_implementation_rad |
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| 24 | //#define use_filterfactory_implementation_i |
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| 25 | //#define use_filterfactory_implementation_u |
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| 26 | //#define use_filterfactory_implementation_v |
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| 27 | #define use_filterfactory_implementation_rnd |
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| 28 | #define use_filterfactory_implementation_c2d |
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| 29 | #define use_filterfactory_implementation_c2m |
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| 30 | #define use_filterfactory_implementation_r2x |
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| 31 | #define use_filterfactory_implementation_r2y |
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| 32 | #define use_filterfactory_implementation_cos |
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| 33 | #define use_filterfactory_implementation_sin |
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| 34 | #define use_filterfactory_implementation_tan |
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| 35 | #define use_filterfactory_implementation_sqr |
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| 36 | |||
| 37 | // Not yet implemented! |
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| 38 | //#define use_filterfactory_implementation_d |
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| 39 | //#define use_filterfactory_implementation_m |
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| 40 | //#define use_filterfactory_implementation_M |
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| 41 | |||
| 259 | daniel-mar | 42 | #ifdef MAC_ENV |
| 268 | daniel-mar | 43 | #include <fp.h> |
| 259 | daniel-mar | 44 | #endif |
| 45 | |||
| 46 | #include <math.h> |
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| 47 | #include <stdlib.h> |
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| 48 | |||
| 49 | #ifndef PARSERTEST |
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| 50 | #include "ff.h" |
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| 51 | #endif |
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| 268 | daniel-mar | 52 | |
| 259 | daniel-mar | 53 | #include "funcs.h" |
| 54 | #include "y.tab.h" |
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| 55 | |||
| 56 | #include "node.h" // for symbol "var[]" |
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| 57 | |||
| 58 | #define RINT //no rounding for now |
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| 59 | |||
| 60 | //#if TARGET_API_MAC_CARBON |
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| 61 | // this is another incompatibility between Classic stdclib and OS X stdclib |
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| 62 | // ***FIXME: need to access real OS X includes for Carbon build |
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| 63 | //#undef RAND_MAX |
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| 64 | //#define RAND_MAX 0x7fffffff |
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| 65 | //#endif |
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| 66 | |||
| 294 | daniel-mar | 67 | const int FACTORY_COS_LOOKUP[1024] = { |
| 68 | 16384, 16383, 16382, 16381, 16379, 16376, 16372, 16368, 16364, 16359, 16353, 16346, 16339, 16331, 16323, |
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| 69 | 16314, 16305, 16294, 16284, 16272, 16260, 16248, 16234, 16221, 16206, 16191, 16175, 16159, 16142, 16125, |
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| 70 | 16107, 16088, 16069, 16049, 16028, 16007, 15985, 15963, 15940, 15917, 15893, 15868, 15842, 15817, 15790, |
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| 71 | 15763, 15735, 15707, 15678, 15649, 15618, 15588, 15557, 15525, 15492, 15459, 15426, 15392, 15357, 15322, |
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| 72 | 15286, 15249, 15212, 15175, 15136, 15098, 15058, 15018, 14978, 14937, 14895, 14853, 14811, 14767, 14723, |
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| 73 | 14679, 14634, 14589, 14543, 14496, 14449, 14401, 14353, 14304, 14255, 14205, 14155, 14104, 14053, 14001, |
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| 74 | 13948, 13895, 13842, 13788, 13733, 13678, 13622, 13566, 13510, 13452, 13395, 13337, 13278, 13219, 13159, |
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| 75 | 13099, 13039, 12977, 12916, 12854, 12791, 12728, 12665, 12601, 12536, 12471, 12406, 12340, 12273, 12207, |
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| 76 | 12139, 12072, 12003, 11935, 11866, 11796, 11726, 11656, 11585, 11513, 11442, 11370, 11297, 11224, 11151, |
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| 77 | 11077, 11003, 10928, 10853, 10777, 10701, 10625, 10548, 10471, 10394, 10316, 10237, 10159, 10080, 10000, |
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| 78 | 9920, 9840, 9760, 9679, 9597, 9516, 9434, 9351, 9269, 9186, 9102, 9018, 8934, 8850, 8765, 8680, 8595, |
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| 79 | 8509, 8423, 8336, 8250, 8163, 8075, 7988, 7900, 7812, 7723, 7634, 7545, 7456, 7366, 7276, 7186, 7096, |
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| 80 | 7005, 6914, 6822, 6731, 6639, 6547, 6455, 6362, 6270, 6176, 6083, 5990, 5896, 5802, 5708, 5614, 5519, |
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| 81 | 5424, 5329, 5234, 5139, 5043, 4948, 4852, 4756, 4659, 4563, 4466, 4369, 4273, 4175, 4078, 3981, 3883, |
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| 82 | 3785, 3687, 3589, 3491, 3393, 3295, 3196, 3097, 2998, 2900, 2801, 2702, 2602, 2503, 2404, 2304, 2205, |
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| 83 | 2105, 2005, 1905, 1806, 1706, 1606, 1505, 1405, 1305, 1205, 1105, 1004, 904, 804, 703, 603, 502, 402, |
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| 84 | 301, 201, 100, -100, -201, -301, -402, -502, -603, -703, -804, -904, -1004, -1105, -1205, -1305, -1405, |
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| 85 | -1505, -1606, -1706, -1806, -1905, -2005, -2105, -2205, -2304, -2404, -2503, -2602, -2702, -2801, -2900, |
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| 86 | -2998, -3097, -3196, -3295, -3393, -3491, -3589, -3687, -3785, -3883, -3981, -4078, -4175, -4273, -4369, |
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| 87 | -4466, -4563, -4659, -4756, -4852, -4948, -5043, -5139, -5234, -5329, -5424, -5519, -5614, -5708, -5802, |
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| 88 | -5896, -5990, -6083, -6176, -6270, -6362, -6455, -6547, -6639, -6731, -6822, -6914, -7005, -7096, -7186, |
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| 89 | -7276, -7366, -7456, -7545, -7634, -7723, -7812, -7900, -7988, -8075, -8163, -8250, -8336, -8423, -8509, |
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| 90 | -8595, -8680, -8765, -8850, -8934, -9018, -9102, -9186, -9269, -9351, -9434, -9516, -9597, -9679, -9760, |
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| 91 | -9840, -9920, -10000, -10080, -10159, -10237, -10316, -10394, -10471, -10548, -10625, -10701, -10777, |
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| 92 | -10853, -10928, -11003, -11077, -11151, -11224, -11297, -11370, -11442, -11513, -11585, -11656, -11726, |
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| 93 | -11796, -11866, -11935, -12003, -12072, -12139, -12207, -12273, -12340, -12406, -12471, -12536, -12601, |
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| 94 | -12665, -12728, -12791, -12854, -12916, -12977, -13039, -13099, -13159, -13219, -13278, -13337, -13395, |
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| 95 | -13452, -13510, -13566, -13622, -13678, -13733, -13788, -13842, -13895, -13948, -14001, -14053, -14104, |
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| 96 | -14155, -14205, -14255, -14304, -14353, -14401, -14449, -14496, -14543, -14589, -14634, -14679, -14723, |
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| 97 | -14767, -14811, -14853, -14895, -14937, -14978, -15018, -15058, -15098, -15136, -15175, -15212, -15249, |
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| 98 | -15286, -15322, -15357, -15392, -15426, -15459, -15492, -15525, -15557, -15588, -15618, -15649, -15678, |
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| 99 | -15707, -15735, -15763, -15790, -15817, -15842, -15868, -15893, -15917, -15940, -15963, -15985, -16007, |
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| 100 | -16028, -16049, -16069, -16088, -16107, -16125, -16142, -16159, -16175, -16191, -16206, -16221, -16234, |
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| 101 | -16248, -16260, -16272, -16284, -16294, -16305, -16314, -16323, -16331, -16339, -16346, -16353, -16359, |
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| 102 | -16364, -16368, -16372, -16376, -16379, -16381, -16382, -16383, -16384, -16384, -16383, -16382, -16381, |
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| 103 | -16379, -16376, -16372, -16368, -16364, -16359, -16353, -16346, -16339, -16331, -16323, -16314, -16305, |
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| 104 | -16294, -16284, -16272, -16260, -16248, -16234, -16221, -16206, -16191, -16175, -16159, -16142, -16125, |
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| 105 | -16107, -16088, -16069, -16049, -16028, -16007, -15985, -15963, -15940, -15917, -15893, -15868, -15842, |
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| 106 | -15817, -15790, -15763, -15735, -15707, -15678, -15649, -15618, -15588, -15557, -15525, -15492, -15459, |
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| 107 | -15426, -15392, -15357, -15322, -15286, -15249, -15212, -15175, -15136, -15098, -15058, -15018, -14978, |
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| 108 | -14937, -14895, -14853, -14811, -14767, -14723, -14679, -14634, -14589, -14543, -14496, -14449, -14401, |
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| 109 | -14353, -14304, -14255, -14205, -14155, -14104, -14053, -14001, -13948, -13895, -13842, -13788, -13733, |
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| 110 | -13678, -13622, -13566, -13510, -13452, -13395, -13337, -13278, -13219, -13159, -13099, -13039, -12977, |
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| 111 | -12916, -12854, -12791, -12728, -12665, -12601, -12536, -12471, -12406, -12340, -12273, -12207, -12139, |
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| 112 | -12072, -12003, -11935, -11866, -11796, -11726, -11656, -11585, -11513, -11442, -11370, -11297, -11224, |
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| 113 | -11151, -11077, -11003, -10928, -10853, -10777, -10701, -10625, -10548, -10471, -10394, -10316, -10237, |
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| 114 | -10159, -10080, -10000, -9920, -9840, -9760, -9679, -9597, -9516, -9434, -9351, -9269, -9186, -9102, |
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| 115 | -9018, -8934, -8850, -8765, -8680, -8595, -8509, -8423, -8336, -8250, -8163, -8075, -7988, -7900, -7812, |
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| 116 | -7723, -7634, -7545, -7456, -7366, -7276, -7186, -7096, -7005, -6914, -6822, -6731, -6639, -6547, -6455, |
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| 117 | -6362, -6270, -6176, -6083, -5990, -5896, -5802, -5708, -5614, -5519, -5424, -5329, -5234, -5139, -5043, |
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| 118 | -4948, -4852, -4756, -4659, -4563, -4466, -4369, -4273, -4175, -4078, -3981, -3883, -3785, -3687, -3589, |
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| 119 | -3491, -3393, -3295, -3196, -3097, -2998, -2900, -2801, -2702, -2602, -2503, -2404, -2304, -2205, -2105, |
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| 120 | -2005, -1905, -1806, -1706, -1606, -1505, -1405, -1305, -1205, -1105, -1004, -904, -804, -703, -603, -502, |
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| 121 | -402, -301, -201, -100, 100, 201, 301, 402, 502, 603, 703, 804, 904, 1004, 1105, 1205, 1305, 1405, 1505, |
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| 122 | 1606, 1706, 1806, 1905, 2005, 2105, 2205, 2304, 2404, 2503, 2602, 2702, 2801, 2900, 2998, 3097, 3196, |
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| 123 | 3295, 3393, 3491, 3589, 3687, 3785, 3883, 3981, 4078, 4175, 4273, 4369, 4466, 4563, 4659, 4756, 4852, |
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| 124 | 4948, 5043, 5139, 5234, 5329, 5424, 5519, 5614, 5708, 5802, 5896, 5990, 6083, 6176, 6270, 6362, 6455, |
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| 125 | 6547, 6639, 6731, 6822, 6914, 7005, 7096, 7186, 7276, 7366, 7456, 7545, 7634, 7723, 7812, 7900, 7988, |
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| 126 | 8075, 8163, 8250, 8336, 8423, 8509, 8595, 8680, 8765, 8850, 8934, 9018, 9102, 9186, 9269, 9351, 9434, |
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| 127 | 9516, 9597, 9679, 9760, 9840, 9920, 10000, 10080, 10159, 10237, 10316, 10394, 10471, 10548, 10625, 10701, |
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| 128 | 10777, 10853, 10928, 11003, 11077, 11151, 11224, 11297, 11370, 11442, 11513, 11585, 11656, 11726, 11796, |
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| 129 | 11866, 11935, 12003, 12072, 12139, 12207, 12273, 12340, 12406, 12471, 12536, 12601, 12665, 12728, 12791, |
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| 130 | 12854, 12916, 12977, 13039, 13099, 13159, 13219, 13278, 13337, 13395, 13452, 13510, 13566, 13622, 13678, |
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| 131 | 13733, 13788, 13842, 13895, 13948, 14001, 14053, 14104, 14155, 14205, 14255, 14304, 14353, 14401, 14449, |
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| 132 | 14496, 14543, 14589, 14634, 14679, 14723, 14767, 14811, 14853, 14895, 14937, 14978, 15018, 15058, 15098, |
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| 133 | 15136, 15175, 15212, 15249, 15286, 15322, 15357, 15392, 15426, 15459, 15492, 15525, 15557, 15588, 15618, |
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| 134 | 15649, 15678, 15707, 15735, 15763, 15790, 15817, 15842, 15868, 15893, 15917, 15940, 15963, 15985, 16007, |
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| 135 | 16028, 16049, 16069, 16088, 16107, 16125, 16142, 16159, 16175, 16191, 16206, 16221, 16234, 16248, 16260, |
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| 136 | 16272, 16284, 16294, 16305, 16314, 16323, 16331, 16339, 16346, 16353, 16359, 16364, 16368, 16372, 16376, |
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| 137 | 16379, 16381, 16382, 16383, 16384 }; |
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| 138 | |||
| 139 | const uint16_t FACTORY_C2D_LOOKUP[1024] = { |
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| 140 | 64, 128, 191, 255, 319, 383, 447, 511, 575, 639, 703, 767, 831, 895, 959, 1023, 1087, 1151, 1215, 1279, |
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| 141 | 1343, 1407, 1471, 1535, 1599, 1663, 1727, 1791, 1855, 1919, 1983, 2047, 2111, 2175, 2239, 2303, 2366, |
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| 142 | 2430, 2494, 2558, 2622, 2686, 2750, 2814, 2878, 2942, 3005, 3069, 3133, 3197, 3261, 3325, 3388, 3452, |
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| 143 | 3516, 3580, 3644, 3708, 3771, 3835, 3899, 3963, 4026, 4090, 4154, 4218, 4281, 4345, 4409, 4473, 4536, |
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| 144 | 4600, 4664, 4727, 4791, 4855, 4918, 4982, 5046, 5109, 5173, 5236, 5300, 5364, 5427, 5491, 5554, 5618, |
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| 145 | 5681, 5745, 5808, 5872, 5935, 5999, 6062, 6126, 6189, 6252, 6316, 6379, 6443, 6506, 6569, 6633, 6696, |
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| 146 | 6759, 6823, 6886, 6949, 7013, 7076, 7139, 7202, 7266, 7329, 7392, 7455, 7518, 7582, 7645, 7708, 7771, |
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| 147 | 7834, 7897, 7960, 8023, 8086, 8149, 8212, 8275, 8338, 8401, 8464, 8527, 8590, 8653, 8716, 8779, 8841, |
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| 148 | 8904, 8967, 9030, 9093, 9155, 9218, 9281, 9344, 9406, 9469, 9532, 9594, 9657, 9720, 9782, 9845, 9907, |
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| 149 | 9970, 10032, 10095, 10157, 10220, 10282, 10345, 10407, 10470, 10532, 10594, 10657, 10719, 10781, 10843, |
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| 150 | 10906, 10968, 11030, 11092, 11155, 11217, 11279, 11341, 11403, 11465, 11527, 11589, 11651, 11713, 11775, |
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| 151 | 11837, 11899, 11961, 12023, 12085, 12146, 12208, 12270, 12332, 12394, 12455, 12517, 12579, 12640, 12702, |
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| 152 | 12764, 12825, 12887, 12948, 13010, 13071, 13133, 13194, 13256, 13317, 13379, 13440, 13501, 13563, 13624, |
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| 153 | 13685, 13746, 13808, 13869, 13930, 13991, 14052, 14113, 14174, 14235, 14296, 14357, 14418, 14479, 14540, |
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| 154 | 14601, 14662, 14723, 14784, 14844, 14905, 14966, 15027, 15087, 15148, 15208, 15269, 15330, 15390, 15451, |
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| 155 | 15511, 15572, 15632, 15693, 15753, 15813, 15874, 15934, 15994, 16054, 16115, 16175, 16235, 16295, 16355, |
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| 156 | 16415, 16475, 16535, 16595, 16655, 16715, 16775, 16835, 16895, 16955, 17015, 17074, 17134, 17194, 17254, |
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| 157 | 17313, 17373, 17432, 17492, 17551, 17611, 17670, 17730, 17789, 17849, 17908, 17967, 18027, 18086, 18145, |
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| 158 | 18204, 18264, 18323, 18382, 18441, 18500, 18559, 18618, 18677, 18736, 18795, 18854, 18912, 18971, 19030, |
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| 159 | 19089, 19147, 19206, 19265, 19323, 19382, 19440, 19499, 19557, 19616, 19674, 19733, 19791, 19849, 19908, |
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| 160 | 19966, 20024, 20082, 20141, 20199, 20257, 20315, 20373, 20431, 20489, 20547, 20605, 20663, 20720, 20778, |
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| 161 | 20836, 20894, 20951, 21009, 21067, 21124, 21182, 21239, 21297, 21354, 21412, 21469, 21526, 21584, 21641, |
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| 162 | 21698, 21756, 21813, 21870, 21927, 21984, 22041, 22098, 22155, 22212, 22269, 22326, 22383, 22439, 22496, |
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| 163 | 22553, 22610, 22666, 22723, 22780, 22836, 22893, 22949, 23006, 23062, 23118, 23175, 23231, 23287, 23344, |
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| 164 | 23400, 23456, 23512, 23568, 23624, 23680, 23736, 23792, 23848, 23904, 23960, 24016, 24071, 24127, 24183, |
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| 165 | 24238, 24294, 24350, 24405, 24461, 24516, 24572, 24627, 24682, 24738, 24793, 24848, 24904, 24959, 25014, |
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| 166 | 25069, 25124, 25179, 25234, 25289, 25344, 25399, 25454, 25509, 25563, 25618, 25673, 25727, 25782, 25836, |
||
| 167 | 25891, 25945, 26000, 26054, 26109, 26163, 26217, 26271, 26326, 26380, 26434, 26488, 26542, 26596, 26650, |
||
| 168 | 26704, 26758, 26812, 26866, 26920, 26974, 27027, 27081, 27135, 27188, 27242, 27295, 27349, 27402, 27456, |
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| 169 | 27509, 27563, 27616, 27669, 27722, 27776, 27829, 27882, 27935, 27988, 28041, 28094, 28147, 28200, 28253, |
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| 170 | 28305, 28358, 28411, 28464, 28516, 28569, 28621, 28674, 28726, 28779, 28831, 28884, 28936, 28988, 29041, |
||
| 171 | 29093, 29145, 29197, 29249, 29301, 29353, 29405, 29457, 29509, 29561, 29613, 29664, 29716, 29768, 29820, |
||
| 172 | 29871, 29923, 29974, 30026, 30077, 30129, 30180, 30231, 30283, 30334, 30385, 30436, 30488, 30539, 30590, |
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| 173 | 30641, 30692, 30743, 30794, 30844, 30895, 30946, 30997, 31047, 31098, 31149, 31199, 31250, 31300, 31351, |
||
| 174 | 31401, 31452, 31502, 31552, 31602, 31653, 31703, 31753, 31803, 31853, 31903, 31953, 32003, 32053, 32103, |
||
| 175 | 32153, 32202, 32252, 32302, 32351, 32401, 32451, 32500, 32550, 32599, 32649, 32698, 32747, 32796, 32846, |
||
| 176 | 32895, 32944, 32993, 33042, 33091, 33140, 33189, 33238, 33287, 33336, 33385, 33434, 33482, 33531, 33580, |
||
| 177 | 33628, 33677, 33725, 33774, 33822, 33871, 33919, 33967, 34015, 34064, 34112, 34160, 34208, 34256, 34304, |
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| 178 | 34352, 34400, 34448, 34496, 34544, 34592, 34639, 34687, 34735, 34782, 34830, 34877, 34925, 34972, 35020, |
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| 179 | 35067, 35115, 35162, 35209, 35256, 35303, 35351, 35398, 35445, 35492, 35539, 35586, 35633, 35679, 35726, |
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| 180 | 35773, 35820, 35866, 35913, 35960, 36006, 36053, 36099, 36146, 36192, 36239, 36285, 36331, 36377, 36424, |
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| 181 | 36470, 36516, 36562, 36608, 36654, 36700, 36746, 36792, 36838, 36883, 36929, 36975, 37021, 37066, 37112, |
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| 182 | 37157, 37203, 37248, 37294, 37339, 37385, 37430, 37475, 37520, 37566, 37611, 37656, 37701, 37746, 37791, |
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| 183 | 37836, 37881, 37926, 37971, 38015, 38060, 38105, 38149, 38194, 38239, 38283, 38328, 38372, 38417, 38461, |
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| 184 | 38505, 38550, 38594, 38638, 38682, 38727, 38771, 38815, 38859, 38903, 38947, 38991, 39035, 39078, 39122, |
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| 185 | 39166, 39210, 39253, 39297, 39341, 39384, 39428, 39471, 39515, 39558, 39601, 39645, 39688, 39731, 39774, |
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| 186 | 39818, 39861, 39904, 39947, 39990, 40033, 40076, 40119, 40161, 40204, 40247, 40290, 40332, 40375, 40418, |
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| 187 | 40460, 40503, 40545, 40588, 40630, 40673, 40715, 40757, 40799, 40842, 40884, 40926, 40968, 41010, 41052, |
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| 188 | 41094, 41136, 41178, 41220, 41262, 41303, 41345, 41387, 41429, 41470, 41512, 41553, 41595, 41636, 41678, |
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| 189 | 41719, 41761, 41802, 41843, 41885, 41926, 41967, 42008, 42049, 42090, 42131, 42172, 42213, 42254, 42295, |
||
| 190 | 42336, 42376, 42417, 42458, 42499, 42539, 42580, 42620, 42661, 42701, 42742, 42782, 42823, 42863, 42903, |
||
| 191 | 42944, 42984, 43024, 43064, 43104, 43144, 43184, 43224, 43264, 43304, 43344, 43384, 43424, 43463, 43503, |
||
| 192 | 43543, 43582, 43622, 43662, 43701, 43741, 43780, 43820, 43859, 43898, 43938, 43977, 44016, 44055, 44094, |
||
| 193 | 44134, 44173, 44212, 44251, 44290, 44329, 44368, 44406, 44445, 44484, 44523, 44562, 44600, 44639, 44677, |
||
| 194 | 44716, 44755, 44793, 44832, 44870, 44908, 44947, 44985, 45023, 45062, 45100, 45138, 45176, 45214, 45252, |
||
| 195 | 45290, 45328, 45366, 45404, 45442, 45480, 45518, 45555, 45593, 45631, 45668, 45706, 45744, 45781, 45819, |
||
| 196 | 45856, 45894, 45931, 45968, 46006, 46043, 46080, 46117, 46155, 46192, 46229, 46266, 46303, 46340, 46377, |
||
| 197 | 46414, 46451, 46488, 46525, 46561, 46598, 46635, 46672, 46708, 46745, 46781, 46818, 46854, 46891, 46927, |
||
| 198 | 46964, 47000, 47037, 47073, 47109, 47145, 47182, 47218, 47254, 47290, 47326, 47362, 47398, 47434, 47470, |
||
| 199 | 47506, 47542, 47577, 47613, 47649, 47685, 47720, 47756, 47792, 47827, 47863, 47898, 47934, 47969, 48004, |
||
| 200 | 48040, 48075, 48110, 48146, 48181, 48216, 48251, 48286, 48322, 48357, 48392, 48427, 48462, 48496, 48531, |
||
| 201 | 48566, 48601, 48636, 48671, 48705, 48740, 48775, 48809, 48844, 48878, 48913, 48947, 48982, 49016, 49051, |
||
| 202 | 49085, 49119, 49154, 49188, 49222, 49256, 49290, 49324, 49359, 49393, 49427, 49461, 49495, 49528, 49562, |
||
| 203 | 49596, 49630, 49664, 49698, 49731, 49765, 49799, 49832, 49866, 49899, 49933, 49966, 50000, 50033, 50067, |
||
| 204 | 50100, 50133, 50167, 50200, 50233, 50266, 50299, 50333, 50366, 50399, 50432, 50465, 50498, 50531, 50564, |
||
| 205 | 50597, 50629, 50662, 50695, 50728, 50760, 50793, 50826, 50858, 50891, 50924, 50956, 50989, 51021, 51053, |
||
| 206 | 51086, 51118, 51151, 51183, 51215, 51247, 51280, 51312, 51344, 51376, 51408, 51440, 51472 }; |
||
| 207 | |||
| 208 | const uint16_t FACTORY_C2M_LOOKUP[1024] = { |
||
| 209 | 32, 32, 32, 32, 32, 32, 33, 33, 33, 34, 35, 35, 36, 37, 38, 39, 39, 41, 42, 43, 44, 45, 47, 48, 49, 51, |
||
| 210 | 53, 54, 56, 58, 60, 62, 63, 66, 68, 70, 72, 74, 77, 79, 81, 84, 87, 89, 92, 95, 98, 100, 103, 106, 110, |
||
| 211 | 113, 116, 119, 123, 126, 129, 133, 137, 140, 144, 148, 152, 155, 159, 163, 167, 172, 176, 180, 184, 189, |
||
| 212 | 193, 198, 202, 207, 212, 217, 221, 226, 231, 236, 241, 246, 252, 257, 262, 268, 273, 279, 284, 290, 295, |
||
| 213 | 301, 307, 313, 319, 325, 331, 337, 343, 350, 356, 362, 369, 375, 382, 388, 395, 402, 409, 415, 422, 429, |
||
| 214 | 436, 443, 451, 458, 465, 473, 480, 487, 495, 503, 510, 518, 526, 534, 542, 549, 558, 566, 574, 582, 590, |
||
| 215 | 599, 607, 615, 624, 633, 641, 650, 659, 667, 676, 685, 694, 703, 712, 722, 731, 740, 750, 759, 768, 778, |
||
| 216 | 788, 797, 807, 817, 827, 837, 847, 857, 867, 877, 887, 897, 908, 918, 928, 939, 950, 960, 971, 982, 992, |
||
| 217 | 1003, 1014, 1025, 1036, 1047, 1059, 1070, 1081, 1092, 1104, 1115, 1127, 1138, 1150, 1162, 1174, 1185, 1197, |
||
| 218 | 1209, 1221, 1233, 1245, 1258, 1270, 1282, 1294, 1307, 1319, 1332, 1344, 1357, 1370, 1383, 1395, 1408, 1421, |
||
| 219 | 1434, 1447, 1460, 1474, 1487, 1500, 1514, 1527, 1540, 1554, 1568, 1581, 1595, 1609, 1622, 1636, 1650, 1664, |
||
| 220 | 1678, 1692, 1707, 1721, 1735, 1749, 1764, 1778, 1793, 1807, 1822, 1837, 1852, 1866, 1881, 1896, 1911, 1926, |
||
| 221 | 1941, 1956, 1972, 1987, 2002, 2018, 2033, 2048, 2064, 2080, 2095, 2111, 2127, 2143, 2159, 2174, 2190, 2207, |
||
| 222 | 2223, 2239, 2255, 2271, 2288, 2304, 2321, 2337, 2354, 2370, 2387, 2404, 2420, 2437, 2454, 2471, 2488, 2505, |
||
| 223 | 2522, 2540, 2557, 2574, 2592, 2609, 2626, 2644, 2662, 2679, 2697, 2715, 2732, 2750, 2768, 2786, 2804, 2822, |
||
| 224 | 2840, 2859, 2877, 2895, 2913, 2932, 2950, 2969, 2987, 3006, 3025, 3043, 3062, 3081, 3100, 3119, 3138, 3157, |
||
| 225 | 3176, 3195, 3214, 3234, 3253, 3272, 3292, 3311, 3331, 3351, 3370, 3390, 3410, 3430, 3449, 3469, 3489, 3509, |
||
| 226 | 3529, 3550, 3570, 3590, 3610, 3631, 3651, 3672, 3692, 3713, 3733, 3754, 3775, 3795, 3816, 3837, 3858, 3879, |
||
| 227 | 3900, 3921, 3942, 3964, 3985, 4006, 4027, 4049, 4070, 4092, 4113, 4135, 4157, 4178, 4200, 4222, 4244, 4266, |
||
| 228 | 4288, 4310, 4332, 4354, 4376, 4399, 4421, 4443, 4466, 4488, 4510, 4533, 4556, 4578, 4601, 4624, 4647, 4669, |
||
| 229 | 4692, 4715, 4738, 4761, 4784, 4808, 4831, 4854, 4877, 4901, 4924, 4948, 4971, 4995, 5018, 5042, 5066, 5089, |
||
| 230 | 5113, 5137, 5161, 5185, 5209, 5233, 5257, 5281, 5306, 5330, 5354, 5378, 5403, 5427, 5452, 5476, 5501, 5526, |
||
| 231 | 5550, 5575, 5600, 5625, 5650, 5675, 5700, 5725, 5750, 5775, 5800, 5825, 5851, 5876, 5901, 5927, 5952, 5978, |
||
| 232 | 6003, 6029, 6055, 6080, 6106, 6132, 6158, 6184, 6210, 6236, 6262, 6288, 6314, 6340, 6367, 6393, 6419, 6446, |
||
| 233 | 6472, 6499, 6525, 6552, 6578, 6605, 6632, 6658, 6685, 6712, 6739, 6766, 6793, 6820, 6847, 6874, 6901, 6929, |
||
| 234 | 6956, 6983, 7011, 7038, 7066, 7093, 7121, 7148, 7176, 7204, 7231, 7259, 7287, 7315, 7343, 7371, 7399, 7427, |
||
| 235 | 7455, 7483, 7511, 7539, 7568, 7596, 7624, 7653, 7681, 7710, 7738, 7767, 7796, 7824, 7853, 7882, 7911, 7940, |
||
| 236 | 7968, 7997, 8026, 8055, 8085, 8114, 8143, 8172, 8201, 8231, 8260, 8289, 8319, 8348, 8378, 8407, 8437, 8467, |
||
| 237 | 8496, 8526, 8556, 8586, 8616, 8646, 8675, 8705, 8736, 8766, 8796, 8826, 8856, 8886, 8917, 8947, 8977, 9008, |
||
| 238 | 9038, 9069, 9099, 9130, 9161, 9191, 9222, 9253, 9284, 9315, 9345, 9376, 9407, 9438, 9469, 9501, 9532, 9563, |
||
| 239 | 9594, 9625, 9657, 9688, 9719, 9751, 9782, 9814, 9845, 9877, 9909, 9940, 9972, 10004, 10036, 10068, 10099, |
||
| 240 | 10131, 10163, 10195, 10227, 10259, 10292, 10324, 10356, 10388, 10421, 10453, 10485, 10518, 10550, 10583, |
||
| 241 | 10615, 10648, 10680, 10713, 10746, 10778, 10811, 10844, 10877, 10910, 10943, 10976, 11009, 11042, 11075, |
||
| 242 | 11108, 11141, 11174, 11208, 11241, 11274, 11308, 11341, 11374, 11408, 11441, 11475, 11509, 11542, 11576, |
||
| 243 | 11610, 11643, 11677, 11711, 11745, 11779, 11813, 11847, 11881, 11915, 11949, 11983, 12017, 12051, 12085, |
||
| 244 | 12120, 12154, 12188, 12223, 12257, 12292, 12326, 12361, 12395, 12430, 12465, 12499, 12534, 12569, 12604, |
||
| 245 | 12638, 12673, 12708, 12743, 12778, 12813, 12848, 12883, 12918, 12954, 12989, 13024, 13059, 13095, 13130, |
||
| 246 | 13165, 13201, 13236, 13272, 13307, 13343, 13379, 13414, 13450, 13486, 13521, 13557, 13593, 13629, 13665, |
||
| 247 | 13701, 13736, 13772, 13809, 13845, 13881, 13917, 13953, 13989, 14025, 14062, 14098, 14134, 14171, 14207, |
||
| 248 | 14244, 14280, 14317, 14353, 14390, 14426, 14463, 14500, 14536, 14573, 14610, 14647, 14684, 14721, 14758, |
||
| 249 | 14794, 14831, 14869, 14906, 14943, 14980, 15017, 15054, 15091, 15129, 15166, 15203, 15241, 15278, 15316, |
||
| 250 | 15353, 15391, 15428, 15466, 15503, 15541, 15579, 15616, 15654, 15692, 15730, 15767, 15805, 15843, 15881, |
||
| 251 | 15919, 15957, 15995, 16033, 16071, 16109, 16147, 16186, 16224, 16262, 16300, 16339, 16377, 16416, 16454, |
||
| 252 | 16492, 16531, 16569, 16608, 16646, 16685, 16724, 16762, 16801, 16840, 16879, 16917, 16956, 16995, 17034, |
||
| 253 | 17073, 17112, 17151, 17190, 17229, 17268, 17307, 17346, 17385, 17425, 17464, 17503, 17542, 17582, 17621, |
||
| 254 | 17660, 17700, 17739, 17779, 17818, 17858, 17897, 17937, 17977, 18016, 18056, 18096, 18135, 18175, 18215, |
||
| 255 | 18255, 18295, 18335, 18375, 18415, 18455, 18495, 18535, 18575, 18615, 18655, 18695, 18735, 18776, 18816, |
||
| 256 | 18856, 18896, 18937, 18977, 19017, 19058, 19098, 19139, 19179, 19220, 19260, 19301, 19342, 19382, 19423, |
||
| 257 | 19464, 19505, 19545, 19586, 19627, 19668, 19709, 19750, 19791, 19832, 19873, 19914, 19955, 19996, 20037, |
||
| 258 | 20078, 20119, 20160, 20202, 20243, 20284, 20325, 20367, 20408, 20450, 20491, 20532, 20574, 20615, 20657, |
||
| 259 | 20699, 20740, 20782, 20823, 20865, 20907, 20949, 20990, 21032, 21074, 21116, 21158, 21199, 21241, 21283, |
||
| 260 | 21325, 21367, 21409, 21451, 21493, 21536, 21578, 21620, 21662, 21704, 21746, 21789, 21831, 21873, 21916, |
||
| 261 | 21958, 22000, 22043, 22085, 22128, 22170, 22213, 22255, 22298, 22341, 22383, 22426, 22468, 22511, 22554, |
||
| 262 | 22597, 22639, 22682, 22725, 22768, 22811, 22854, 22897, 22940, 22983, 23026, 23069, 23112, 23155, 23198, |
||
| 263 | 23241, 23284, 23328, 23371, 23414, 23457, 23501, 23544, 23587, 23631, 23674, 23717, 23761, 23804, 23848, |
||
| 264 | 23891, 23935, 23978, 24022, 24066, 24109, 24153, 24197, 24240, 24284, 24328, 24372, 24415, 24459, 24503, |
||
| 265 | 24547, 24591, 24635, 24679, 24723, 24767, 24811, 24855, 24899, 24943, 24987, 25031, 25075, 25120, 25164, |
||
| 266 | 25208, 25252, 25297, 25341, 25385, 25430, 25474, 25518, 25563, 25607, 25652, 25696, 25741, 25785, 25830, |
||
| 267 | 25874, 25919, 25964, 26008, 26053, 26098, 26142, 26187, 26232, 26277, 26322, 26366, 26411, 26456, 26501, |
||
| 268 | 26546, 26591, 26636, 26681, 26726, 26771, 26816, 26861, 26906, 26951, 26997, 27042, 27087, 27132 }; |
||
| 269 | |||
| 270 | // ------------------------------------------------------------------------------------------- |
||
| 271 | |||
| 259 | daniel-mar | 272 | extern value_type slider[],cell[],var[],map[][0x100]; |
| 273 | extern unsigned char *image_ptr; |
||
| 274 | |||
| 294 | daniel-mar | 275 | // ------------------------------------------------------------------------------------------- |
| 276 | |||
| 259 | daniel-mar | 277 | double costab[COSTABSIZE]; |
| 278 | double tantab[TANTABSIZE]; |
||
| 279 | void init_trigtab(){ |
||
| 280 | int i; |
||
| 281 | for(i=0;i<COSTABSIZE;++i){ |
||
| 282 | costab[i] = cos(FFANGLE(i)); |
||
| 283 | } |
||
| 284 | for(i=0;i<TANTABSIZE;++i){ |
||
| 285 | if (i>=TANTABSIZE/2) { |
||
| 286 | /* the last '-1' in the expression '512-i-1' is for FilterFactory compatibility, and to avoid the undefined pi/2 area */ |
||
| 287 | tantab[i] = -tantab[TANTABSIZE-i-1]; |
||
| 288 | } else { |
||
| 289 | tantab[i] = tan(FFANGLE(i)); |
||
| 290 | } |
||
| 291 | } |
||
| 292 | } |
||
| 293 | |||
| 294 | daniel-mar | 294 | // ------------------------------------------------------------------------------------------- |
| 295 | |||
| 259 | daniel-mar | 296 | /* Channel z for the input pixel at coordinates x,y. |
| 297 | * Coordinates are relative to the input image data (pb->inData) */ |
||
| 298 | static value_type rawsrc(value_type x,value_type y,value_type z){ |
||
| 299 | if (HAS_BIG_DOC(gpb)) { |
||
| 300 | if (x < BIGDOC_IN_RECT(gpb).left) |
||
| 301 | x = BIGDOC_IN_RECT(gpb).left; |
||
| 302 | else if (x >= BIGDOC_IN_RECT(gpb).right) |
||
| 303 | x = BIGDOC_IN_RECT(gpb).right - 1; |
||
| 304 | if (y < BIGDOC_IN_RECT(gpb).top) |
||
| 305 | y = BIGDOC_IN_RECT(gpb).top; |
||
| 306 | else if (y >= BIGDOC_IN_RECT(gpb).bottom) |
||
| 307 | y = BIGDOC_IN_RECT(gpb).bottom - 1; |
||
| 308 | return ((unsigned char*)gpb->inData)[(long)gpb->inRowBytes * (y - BIGDOC_IN_RECT(gpb).top) |
||
| 309 | + (long)nplanes * (x - BIGDOC_IN_RECT(gpb).left) + z]; |
||
| 310 | } else { |
||
| 311 | if (x < IN_RECT(gpb).left) |
||
| 312 | x = IN_RECT(gpb).left; |
||
| 313 | else if (x >= IN_RECT(gpb).right) |
||
| 314 | x = IN_RECT(gpb).right - 1; |
||
| 315 | if (y < IN_RECT(gpb).top) |
||
| 316 | y = IN_RECT(gpb).top; |
||
| 317 | else if (y >= IN_RECT(gpb).bottom) |
||
| 318 | y = IN_RECT(gpb).bottom - 1; |
||
| 319 | return ((unsigned char*)gpb->inData)[(long)gpb->inRowBytes * (y - IN_RECT(gpb).top) |
||
| 320 | + (long)nplanes * (x - IN_RECT(gpb).left) + z]; |
||
| 321 | } |
||
| 322 | } |
||
| 323 | |||
| 294 | daniel-mar | 324 | // ------------------------------------------------------------------------------------------- |
| 325 | |||
| 259 | daniel-mar | 326 | /* src(x,y,z) Channel z for the pixel at coordinates x,y. |
| 327 | * Coordinates are relative to filtered area (selection). */ |
||
| 294 | daniel-mar | 328 | |
| 259 | daniel-mar | 329 | value_type ff_src(value_type x,value_type y,value_type z){ |
| 268 | daniel-mar | 330 | #ifdef PARSERTEST |
| 259 | daniel-mar | 331 | return 0; |
| 268 | daniel-mar | 332 | #else |
| 259 | daniel-mar | 333 | if(x < 0) |
| 334 | x = 0; |
||
| 335 | else if(x >= var['X']) |
||
| 336 | x = var['X']-1; |
||
| 337 | if(y < 0) |
||
| 338 | y = 0; |
||
| 339 | else if(y >= var['Y']) |
||
| 340 | y = var['Y']-1; |
||
| 341 | return z >= 0 && z < var['Z'] ? |
||
| 342 | image_ptr[(long)gpb->inRowBytes*y + (long)nplanes*x + z] : 0; |
||
| 268 | daniel-mar | 343 | #endif |
| 259 | daniel-mar | 344 | } |
| 345 | |||
| 294 | daniel-mar | 346 | // ------------------------------------------------------------------------------------------- |
| 347 | |||
| 259 | daniel-mar | 348 | /* rad(d,m,z) Channel z in the source image, which is m units away, |
| 349 | at an angle of d, from the center of the image */ |
||
| 294 | daniel-mar | 350 | |
| 351 | value_type factory_rad(value_type d, value_type m, value_type z) { |
||
| 352 | // https://misc.daniel-marschall.de/projects/filter_factory/function_rad.html |
||
| 353 | |||
| 354 | const int xmin = 0; |
||
| 355 | const int ymin = 0; |
||
| 356 | const int zmin = 0; |
||
| 357 | |||
| 358 | int eax, ebx, ecx; |
||
| 359 | |||
| 360 | ebx = FACTORY_COS_LOOKUP[d & 1023]; |
||
| 361 | eax = (((int64_t)m * (int64_t)ebx) + 8191) >> 14; |
||
| 362 | ecx = ((var['X'] - xmin) >> 1) + eax; |
||
| 363 | if (ecx < 0) { |
||
| 364 | ecx = 0; |
||
| 365 | } |
||
| 366 | else { |
||
| 367 | eax = var['X']; |
||
| 368 | if (ecx >= eax) { |
||
| 369 | ecx = eax - 1; |
||
| 370 | } |
||
| 371 | } |
||
| 372 | |||
| 373 | ebx = FACTORY_COS_LOOKUP[(d - 256) & 1023]; |
||
| 374 | eax = (((int64_t)m * (int64_t)ebx) + 8191) >> 14; |
||
| 375 | ebx = ((var['Y'] - ymin) >> 1) + eax; |
||
| 376 | if (ebx < 0) { |
||
| 377 | ebx = 0; |
||
| 378 | } |
||
| 379 | else { |
||
| 380 | eax = var['Y']; |
||
| 381 | if (ebx >= eax) { |
||
| 382 | ebx = eax - 1; |
||
| 383 | } |
||
| 384 | } |
||
| 385 | |||
| 386 | // Now return pixel [x=ecx,y=ebx,z=esi] from the source image! |
||
| 387 | //return ff_src(ecx, ebx, z); |
||
| 388 | ebx *= gpb->inRowBytes; |
||
| 389 | ecx *= var['Z'] - zmin; |
||
| 390 | return image_ptr[z+ebx+ecx]; |
||
| 391 | } |
||
| 392 | |||
| 393 | value_type foundry_rad(value_type d, value_type m, value_type z) { |
||
| 394 | return ff_src(foundry_r2x(d, m) + var['X'] / 2, foundry_r2y(d, m) + var['Y'] / 2, z); |
||
| 395 | } |
||
| 396 | |||
| 259 | daniel-mar | 397 | value_type ff_rad(value_type d,value_type m,value_type z){ |
| 294 | daniel-mar | 398 | #ifdef use_filterfactory_implementation_rad |
| 399 | return factory_rad(d, m, z); |
||
| 400 | #else |
||
| 401 | return foundry_rad(d, m, z); |
||
| 402 | #endif |
||
| 259 | daniel-mar | 403 | } |
| 404 | |||
| 294 | daniel-mar | 405 | // ------------------------------------------------------------------------------------------- |
| 406 | |||
| 259 | daniel-mar | 407 | /* ctl(i) Value of slider i, where i is an integer between 0 and 7, inclusive */ |
| 408 | value_type ff_ctl(value_type i){ |
||
| 409 | return i>=0 && i<=7 ? slider[i] : 0; |
||
| 410 | } |
||
| 411 | |||
| 294 | daniel-mar | 412 | // ------------------------------------------------------------------------------------------- |
| 413 | |||
| 259 | daniel-mar | 414 | /* val(i,a,b) Value of slider i, mapped onto the range a to b */ |
| 415 | value_type ff_val(value_type i,value_type a,value_type b){ |
||
| 416 | return ((long)ff_ctl(i)*(b-a))/255 + a; |
||
| 417 | } |
||
| 418 | |||
| 294 | daniel-mar | 419 | // ------------------------------------------------------------------------------------------- |
| 420 | |||
| 259 | daniel-mar | 421 | /* map(i,n) Item n from mapping table i, where i is an integer between |
| 422 | |||
| 423 | inclusive */ |
||
| 424 | value_type ff_map(value_type i,value_type n){ |
||
| 425 | /* |
||
| 426 | if( i>=0 && i<=3 && n>=0 && n<=255 ){ |
||
| 427 | int H = slider[i*2],L = slider[i*2+1]; |
||
| 428 | return n<=L || H==L ? 0 : ( n>=H ? 255 : ((n-L)*255L)/(H-L) ); |
||
| 429 | }else |
||
| 430 | return 0; |
||
| 431 | */ |
||
| 432 | // this code is from GIMP User Filter |
||
| 433 | value_type x = ff_ctl(i*2), |
||
| 434 | y = ff_ctl(i*2+1); |
||
| 435 | return abs(((long)n*(y-x) / 255)+x); |
||
| 436 | } |
||
| 437 | |||
| 294 | daniel-mar | 438 | // ------------------------------------------------------------------------------------------- |
| 439 | |||
| 259 | daniel-mar | 440 | /* min(a,b) Lesser of a and b */ |
| 441 | value_type ff_min(value_type a,value_type b){ |
||
| 442 | return a < b ? a : b; |
||
| 443 | } |
||
| 444 | |||
| 294 | daniel-mar | 445 | // ------------------------------------------------------------------------------------------- |
| 446 | |||
| 259 | daniel-mar | 447 | /* max(a,b) Greater of a and b */ |
| 448 | value_type ff_max(value_type a,value_type b){ |
||
| 449 | return a > b ? a : b; |
||
| 450 | } |
||
| 451 | |||
| 294 | daniel-mar | 452 | // ------------------------------------------------------------------------------------------- |
| 453 | |||
| 259 | daniel-mar | 454 | /* abs(a) Absolute value of a */ |
| 455 | value_type ff_abs(value_type a){ |
||
| 456 | return abs(a); |
||
| 457 | } |
||
| 458 | |||
| 294 | daniel-mar | 459 | // ------------------------------------------------------------------------------------------- |
| 460 | |||
| 259 | daniel-mar | 461 | /* add(a,b,c) Sum of a and b, or c, whichever is lesser */ |
| 462 | value_type ff_add(value_type a,value_type b,value_type c){ |
||
| 463 | return ff_min(a+b,c); |
||
| 464 | } |
||
| 465 | |||
| 294 | daniel-mar | 466 | // ------------------------------------------------------------------------------------------- |
| 467 | |||
| 259 | daniel-mar | 468 | /* sub(a,b,c) Difference of a and b, or c, whichever is greater */ |
| 469 | value_type ff_sub(value_type a,value_type b,value_type c){ |
||
| 470 | return ff_max(ff_dif(a,b),c); |
||
| 471 | } |
||
| 472 | |||
| 294 | daniel-mar | 473 | // ------------------------------------------------------------------------------------------- |
| 474 | |||
| 259 | daniel-mar | 475 | /* dif(a,b) Absolute value of the difference of a and b */ |
| 476 | value_type ff_dif(value_type a,value_type b){ |
||
| 477 | return abs(a-b); |
||
| 478 | } |
||
| 479 | |||
| 294 | daniel-mar | 480 | // ------------------------------------------------------------------------------------------- |
| 481 | |||
| 482 | /* rnd(a,b) Random number between a and b, inclusive */ |
||
| 483 | |||
| 290 | daniel-mar | 484 | struct factoryRngState { |
| 291 | daniel-mar | 485 | uint16_t index1; |
| 486 | uint16_t index2; |
||
| 487 | uint32_t seedTable[56]; |
||
| 488 | uint32_t seed; |
||
| 489 | uint32_t seedSave; |
||
| 490 | } gFactoryRngState; |
||
| 286 | daniel-mar | 491 | |
| 290 | daniel-mar | 492 | void factory_fill_rnd_lookup(uint32_t seed, struct factoryRngState* state) { |
| 493 | // Algorithm of Filter Factory |
||
| 494 | // Filter Factory uses Donald E.Knuth's subtractive |
||
| 495 | // random number generator algorithm ("ran3"), which has been published |
||
| 496 | // in Page 283 of "The Art of Computer Programming, volume 2: Seminumerical Algorithms", |
||
| 497 | // Addison-Wesley, Reading, MA, second edition, 1981. |
||
| 498 | // https://www.cec.uchile.cl/cinetica/pcordero/MC_libros/NumericalRecipesinC.pdf (PDF Page 307) |
||
| 286 | daniel-mar | 499 | |
| 290 | daniel-mar | 500 | long mj, mk; |
| 501 | int i, ii, k; |
||
| 502 | |||
| 503 | // 161803398 = 1.61803398 * 10^8 ~= phi * 10^8 |
||
| 504 | mj = 161803398 - (seed & 0x7fff); |
||
| 291 | daniel-mar | 505 | state->seedTable[55] = mj; |
| 290 | daniel-mar | 506 | |
| 507 | mk = 1; |
||
| 508 | ii = 0; |
||
| 509 | for (i=1; i<=54; ++i) { |
||
| 510 | if ((ii += 21) >= 55) ii -= 55; // ii = (21*i)%55; |
||
| 291 | daniel-mar | 511 | state->seedTable[ii] = mk; |
| 290 | daniel-mar | 512 | mk = mj - mk; |
| 291 | daniel-mar | 513 | mj = state->seedTable[ii]; |
| 290 | daniel-mar | 514 | } |
| 515 | |||
| 516 | for (k=1; k<=4; ++k) { |
||
| 517 | ii = 30; |
||
| 518 | for (i=1; i<=55; ++i) { |
||
| 519 | if ((ii += 1) >= 55) ii -= 55; |
||
| 291 | daniel-mar | 520 | state->seedTable[i] -= state->seedTable[1 + ii]; // 1 + (i+30)%55 |
| 290 | daniel-mar | 521 | } |
| 522 | } |
||
| 523 | |||
| 291 | daniel-mar | 524 | state->seedSave = seed; |
| 290 | daniel-mar | 525 | |
| 526 | return; |
||
| 527 | } |
||
| 528 | |||
| 529 | uint32_t factory_rnd(uint32_t a, uint32_t b, struct factoryRngState* state) { |
||
| 289 | daniel-mar | 530 | uint32_t mj; // Note: This must be "uint32_t". With "long" (as described by Knuth), it won't match FilterFactory's algorithm |
| 531 | int range; |
||
| 286 | daniel-mar | 532 | |
| 291 | daniel-mar | 533 | if (state->seed != state->seedSave) { |
| 288 | daniel-mar | 534 | // (Intentional) behavior of Filter Foundry |
| 291 | daniel-mar | 535 | factory_fill_rnd_lookup(state->seed, &gFactoryRngState); |
| 536 | state->index1 = 0; |
||
| 537 | state->index2 = 31; |
||
| 288 | daniel-mar | 538 | } |
| 539 | |||
| 540 | // Algorithm of Filter Factory |
||
| 289 | daniel-mar | 541 | // Filter Factory uses Donald E.Knuth's subtractive |
| 542 | // random number generator algorithm ("ran3"), which has been published |
||
| 543 | // in Page 283 of "The Art of Computer Programming, volume 2: Seminumerical Algorithms", |
||
| 544 | // Addison-Wesley, Reading, MA, second edition, 1981. |
||
| 545 | // https://www.cec.uchile.cl/cinetica/pcordero/MC_libros/NumericalRecipesinC.pdf (PDF Page 307) |
||
| 288 | daniel-mar | 546 | |
| 291 | daniel-mar | 547 | if (++state->index1 == 56) state->index1 = 1; |
| 548 | if (++state->index2 == 56) state->index2 = 1; |
||
| 286 | daniel-mar | 549 | |
| 291 | daniel-mar | 550 | mj = state->seedTable[state->index1] - |
| 551 | state->seedTable[state->index2]; |
||
| 552 | state->seedTable[state->index1] = mj; |
||
| 286 | daniel-mar | 553 | |
| 289 | daniel-mar | 554 | // This is Filter Factory specific: |
| 290 | daniel-mar | 555 | // Reduce result into interval [a..b] by applying (a + (mj % (b - a + 1)) |
| 556 | // Try to avoid modulo in order to increase performance |
||
| 557 | range = b - a; |
||
| 558 | if (range < 0) return 0; |
||
| 559 | switch (range) { |
||
| 289 | daniel-mar | 560 | case 255: |
| 290 | daniel-mar | 561 | return a + (mj & 0xFF); |
| 289 | daniel-mar | 562 | case 127: |
| 290 | daniel-mar | 563 | return a + (mj & 0x7F); |
| 289 | daniel-mar | 564 | case 63: |
| 290 | daniel-mar | 565 | return a + (mj & 0x3F); |
| 289 | daniel-mar | 566 | case 31: |
| 290 | daniel-mar | 567 | return a + (mj & 0x1F); |
| 289 | daniel-mar | 568 | case 15: |
| 290 | daniel-mar | 569 | return a + (mj & 0xF); |
| 289 | daniel-mar | 570 | case 7: |
| 290 | daniel-mar | 571 | return a + (mj & 0x7); |
| 289 | daniel-mar | 572 | case 3: |
| 290 | daniel-mar | 573 | return a + (mj & 0x3); |
| 289 | daniel-mar | 574 | case 1: |
| 290 | daniel-mar | 575 | return a + (mj & 0x1); |
| 576 | case 0: |
||
| 577 | return a; |
||
| 578 | default: |
||
| 579 | return a + (mj % (range + 1)); |
||
| 289 | daniel-mar | 580 | } |
| 286 | daniel-mar | 581 | } |
| 582 | |||
| 294 | daniel-mar | 583 | value_type foundry_rnd(value_type a, value_type b) { |
| 584 | return (int)((abs(a-b)+1)*(rand()/(RAND_MAX+1.))) + ff_min(a,b); |
||
| 585 | // return ((unsigned)rand() % (ff_dif(a,b)+1)) + ff_min(a,b); |
||
| 586 | } |
||
| 587 | |||
| 588 | value_type ff_rnd(value_type a,value_type b){ |
||
| 589 | #ifdef use_filterfactory_implementation_rnd |
||
| 590 | return factory_rnd(a, b, &gFactoryRngState); |
||
| 591 | #else |
||
| 592 | return foundry_rnd(a, b); |
||
| 593 | #endif |
||
| 594 | } |
||
| 595 | |||
| 596 | // ------------------------------------------------------------------------------------------- |
||
| 597 | |||
| 598 | void factory_initialize_rnd_variables() { |
||
| 599 | gFactoryRngState.seed = 0; // default seed |
||
| 600 | gFactoryRngState.seedSave = gFactoryRngState.seed + 1; // force rnd() to call factory_fill_rnd_lookup() |
||
| 601 | } |
||
| 602 | |||
| 603 | void foundry_initialize_rnd_variables() { |
||
| 604 | srand(691204); |
||
| 605 | } |
||
| 606 | |||
| 607 | void initialize_rnd_variables() { |
||
| 608 | #ifdef use_filterfactory_implementation_rnd |
||
| 609 | factory_initialize_rnd_variables(); |
||
| 610 | #else |
||
| 611 | foundry_initialize_rnd_variables(); |
||
| 612 | #endif |
||
| 613 | } |
||
| 614 | |||
| 615 | // ------------------------------------------------------------------------------------------- |
||
| 616 | |||
| 617 | /* rst(i) sets a random seed and returns 0. (undocumented Filter Factory function). |
||
| 618 | Added by DM, 18 Dec 2018 */ |
||
| 619 | |||
| 290 | daniel-mar | 620 | int32_t factory_rst(uint32_t seed, struct factoryRngState* state) { |
| 294 | daniel-mar | 621 | // Attention: This is NOT the FilterFactory rst() implementation! |
| 622 | |||
| 290 | daniel-mar | 623 | // We implement rst(i) completely differently in Filter Foundry: |
| 624 | // Every call of rst() will renew the lookup table. |
||
| 625 | // In Filter Factory, there are strange/buggy things going |
||
| 626 | // on: rst(i) only sets a seed and the lookup table is renewed |
||
| 627 | // at the NEXT invocation of the filter. Furthermore, in FilterFactory, |
||
| 628 | // the state is not reset between invocations, therefore, the preview image |
||
| 629 | // will influence the PRNG state of the final image... |
||
| 630 | // More information at "Filter Factory Compatibility.md" |
||
| 286 | daniel-mar | 631 | |
| 291 | daniel-mar | 632 | state->seed = seed; |
| 286 | daniel-mar | 633 | |
| 290 | daniel-mar | 634 | // Force renewal of the PRNG state in the next rnd(a,b) call. |
| 635 | // This allows us to use: |
||
| 636 | // (x==0?rst(1):0), rnd(0,255) |
||
| 637 | // But it is slower and this won't work anymore: |
||
| 638 | // rst(0), rnd(0,255) |
||
| 294 | daniel-mar | 639 | state->seedSave = seed + 1; |
| 286 | daniel-mar | 640 | |
| 287 | daniel-mar | 641 | return 0; |
| 286 | daniel-mar | 642 | } |
| 643 | |||
| 294 | daniel-mar | 644 | value_type foundry_rst(value_type seed) { |
| 645 | srand(seed); |
||
| 646 | return 0; |
||
| 287 | daniel-mar | 647 | } |
| 648 | |||
| 294 | daniel-mar | 649 | value_type ff_rst(value_type seed) { |
| 650 | #ifdef use_filterfactory_implementation_rnd |
||
| 651 | return factory_rst(seed, &gFactoryRngState); |
||
| 652 | #else |
||
| 653 | return foundry_rst(seed); |
||
| 654 | #endif |
||
| 259 | daniel-mar | 655 | } |
| 656 | |||
| 294 | daniel-mar | 657 | // ------------------------------------------------------------------------------------------- |
| 658 | |||
| 259 | daniel-mar | 659 | /* mix(a,b,n,d) Mixture of a and b by fraction n/d, a*n/d+b*(d-n)/d */ |
| 660 | value_type ff_mix(value_type a,value_type b,value_type n,value_type d){ |
||
| 661 | return d ? ((long)a*n)/d + ((long)b*(d-n))/d : 0; |
||
| 662 | } |
||
| 663 | |||
| 294 | daniel-mar | 664 | // ------------------------------------------------------------------------------------------- |
| 665 | |||
| 259 | daniel-mar | 666 | /* scl(a,il,ih,ol,oh) Scale a from input range (il to ih) |
| 667 | to output range (ol to oh) */ |
||
| 668 | value_type ff_scl(value_type a,value_type il,value_type ih, |
||
| 669 | value_type ol,value_type oh){ |
||
| 670 | return ih==il ? 0 : ol + ((long)(oh-ol)*(a-il))/(ih-il); |
||
| 671 | } |
||
| 672 | |||
| 294 | daniel-mar | 673 | // ------------------------------------------------------------------------------------------- |
| 674 | |||
| 675 | /* sqr(x) Square root of x */ |
||
| 676 | |||
| 259 | daniel-mar | 677 | static uint32_t isqrt(uint32_t x) { |
| 678 | // based on https://gist.github.com/orlp/3481770 |
||
| 679 | |||
| 680 | static uint32_t lkpSquares[65535]; |
||
| 681 | static int lkpInitialized = 0; |
||
| 682 | const uint32_t *p; |
||
| 683 | int i; |
||
| 684 | |||
| 685 | while (lkpInitialized == 1) { /* If other thread is currently creating the lookup table, then wait */ } |
||
| 686 | if (!lkpInitialized) { |
||
| 687 | lkpInitialized = 1; |
||
| 688 | for (i = 0; i < 65535; ++i) { |
||
| 689 | lkpSquares[i] = i * i; |
||
| 690 | } |
||
| 691 | lkpInitialized = 2; |
||
| 692 | } |
||
| 693 | |||
| 694 | p = lkpSquares; |
||
| 695 | |||
| 696 | if (p[32768] <= x) p += 32768; |
||
| 697 | if (p[16384] <= x) p += 16384; |
||
| 698 | if (p[8192] <= x) p += 8192; |
||
| 699 | if (p[4096] <= x) p += 4096; |
||
| 700 | if (p[2048] <= x) p += 2048; |
||
| 701 | if (p[1024] <= x) p += 1024; |
||
| 702 | if (p[512] <= x) p += 512; |
||
| 703 | if (p[256] <= x) p += 256; |
||
| 704 | if (p[128] <= x) p += 128; |
||
| 705 | if (p[64] <= x) p += 64; |
||
| 706 | if (p[32] <= x) p += 32; |
||
| 707 | if (p[16] <= x) p += 16; |
||
| 708 | if (p[8] <= x) p += 8; |
||
| 709 | if (p[4] <= x) p += 4; |
||
| 710 | if (p[2] <= x) p += 2; |
||
| 711 | if (p[1] <= x) p += 1; |
||
| 712 | |||
| 713 | return (uint32_t)(p - lkpSquares); |
||
| 714 | } |
||
| 715 | |||
| 294 | daniel-mar | 716 | value_type factory_sqr(value_type x) { |
| 717 | // https://misc.daniel-marschall.de/projects/filter_factory/function_sqr.html |
||
| 718 | |||
| 719 | int ebx = x; |
||
| 720 | if (ebx > 1) { |
||
| 721 | int ecx = ebx; |
||
| 722 | ebx = ebx >> 1; |
||
| 723 | int eax = 2; |
||
| 724 | while (ebx > eax) { |
||
| 725 | eax = ecx; |
||
| 726 | eax /= ebx; |
||
| 727 | ebx += eax; |
||
| 728 | ebx = ebx >> 1; |
||
| 729 | } |
||
| 730 | } |
||
| 731 | return ebx; |
||
| 732 | } |
||
| 733 | |||
| 734 | value_type foundry_sqr(value_type x) { |
||
| 735 | // Note: FilterFactory has sqr(x)=x if x<0 . Here we set sqr(x)=0 for x<0 |
||
| 259 | daniel-mar | 736 | return x < 0 ? 0 : isqrt(x); |
| 737 | } |
||
| 738 | |||
| 294 | daniel-mar | 739 | value_type ff_sqr(value_type x){ |
| 740 | #ifdef use_filterfactory_implementation_sqr |
||
| 741 | return factory_sqr(x); |
||
| 742 | #else |
||
| 743 | return foundry_sqr(x); |
||
| 744 | #endif |
||
| 745 | } |
||
| 746 | |||
| 747 | // ------------------------------------------------------------------------------------------- |
||
| 748 | |||
| 749 | /* cos(x) Cosine function of x, where x is an integer between 0 and |
||
| 259 | daniel-mar | 750 | 1024, inclusive, and the value returned is an integer |
| 751 | between -512 and 512, inclusive (Windows) or -1024 and |
||
| 752 | 1024, inclusive (Mac OS) */ |
||
| 294 | daniel-mar | 753 | |
| 754 | value_type factory_cos(value_type x) { |
||
| 755 | // https://misc.daniel-marschall.de/projects/filter_factory/function_cos.html |
||
| 756 | int res; |
||
| 757 | if (x < 0) x = -x; |
||
| 758 | x &= 0x3ff; // 1023 |
||
| 759 | res = FACTORY_COS_LOOKUP[x]; |
||
| 760 | return res >= 0 ? (res / 32) : res / 32 - 1; |
||
| 259 | daniel-mar | 761 | } |
| 762 | |||
| 294 | daniel-mar | 763 | value_type foundry_cos(value_type x) { |
| 764 | //return RINT(TRIGAMP*cos(FFANGLE(x))); |
||
| 765 | return (value_type)RINT(TRIGAMP * costab[abs(x) % COSTABSIZE]); |
||
| 766 | } |
||
| 767 | |||
| 768 | value_type ff_cos(value_type x){ |
||
| 769 | #ifdef use_filterfactory_implementation_cos |
||
| 770 | return factory_cos(x); |
||
| 771 | #else |
||
| 772 | return foundry_cos(x); |
||
| 773 | #endif |
||
| 774 | } |
||
| 775 | |||
| 776 | // ------------------------------------------------------------------------------------------- |
||
| 777 | |||
| 778 | /* sin(x) Sine function of x, where x is an integer between 0 and |
||
| 259 | daniel-mar | 779 | 1024, inclusive, and the value returned is an integer |
| 780 | between -512 and 512, inclusive (Windows) or -1024 and |
||
| 781 | 1024, inclusive (Mac OS) */ |
||
| 294 | daniel-mar | 782 | |
| 783 | value_type factory_sin(value_type x) { |
||
| 784 | // https://misc.daniel-marschall.de/projects/filter_factory/function_sin.html |
||
| 785 | return factory_cos(x - 256); |
||
| 259 | daniel-mar | 786 | } |
| 787 | |||
| 294 | daniel-mar | 788 | value_type foundry_sin(value_type x) { |
| 789 | //return RINT(TRIGAMP*sin(FFANGLE(x))); |
||
| 790 | return foundry_cos(x - 256); |
||
| 791 | } |
||
| 792 | |||
| 793 | value_type ff_sin(value_type x) { |
||
| 794 | #ifdef use_filterfactory_implementation_sin |
||
| 795 | return factory_sin(x); |
||
| 796 | #else |
||
| 797 | return foundry_sin(x); |
||
| 798 | #endif |
||
| 799 | } |
||
| 800 | |||
| 801 | // ------------------------------------------------------------------------------------------- |
||
| 802 | |||
| 259 | daniel-mar | 803 | /* tan(x) Tangent function of x, where x is an integer |
| 804 | between -256 and 256, inclusive. Althought the Filter Factory manual |
||
| 805 | stated that the return value is bounded to -512 and 512, inclusive (Windows) or |
||
| 806 | -1024 and 1024, inclusive (Mac OS), the output is actually NOT bounded! */ |
||
| 294 | daniel-mar | 807 | |
| 808 | value_type factory_tan(value_type x) { |
||
| 809 | // https://misc.daniel-marschall.de/projects/filter_factory/function_tan.html |
||
| 810 | int v1 = x; |
||
| 811 | int v2 = v1 < 0 ? -v1 : v1; |
||
| 812 | v2 &= 0x3ff; // 1023 |
||
| 813 | v2 = FACTORY_COS_LOOKUP[v2]; |
||
| 814 | v1 -= 256; |
||
| 815 | if (v1 < 0) v1 = -v1; |
||
| 816 | v1 &= 0x3ff; // 1023 |
||
| 817 | v1 = FACTORY_COS_LOOKUP[v1]; |
||
| 818 | if (v2 == 0) return 0; |
||
| 819 | v1 = v1 << 10; // v1 *= 1024; |
||
| 820 | return v1 / v2; |
||
| 821 | } |
||
| 822 | |||
| 823 | value_type foundry_tan(value_type x){ |
||
| 259 | daniel-mar | 824 | // Following filter shows that the Filter Factory manual differs from the implementation. |
| 291 | daniel-mar | 825 | // R = cos(x) > 1024 || cos(x) < -1024 || cos(-x) > 1024 || cos(-x) < -1024 ? 255 : 0 |
| 259 | daniel-mar | 826 | // G = tan(x) > 1024 || tan(x) < -1024 || tan(-x) > 1024 || tan(-x) < -1024 ? 255 : 0 |
| 827 | // B = sin(x) > 1024 || sin(x) < -1024 || sin(-x) > 1024 || sin(-x) < -1024 ? 255 : 0 |
||
| 828 | // It outputs green stripes, showing that the output of tan() is not bounded. |
||
| 829 | // So, we do it the same way to stay compatible. |
||
| 830 | if (x < 0) x--; /* required for Filter Factory compatibility */ |
||
| 831 | while (x < 0) x += TANTABSIZE; |
||
| 832 | return (value_type)RINT(2*TRIGAMP*tantab[x % TANTABSIZE]); // We need the x2 multiplicator for some reason |
||
| 833 | } |
||
| 834 | |||
| 294 | daniel-mar | 835 | value_type ff_tan(value_type x) { |
| 836 | #ifdef use_filterfactory_implementation_tan |
||
| 837 | return factory_tan(x); |
||
| 838 | #else |
||
| 839 | return foundry_tan(x); |
||
| 840 | #endif |
||
| 841 | } |
||
| 842 | |||
| 843 | // ------------------------------------------------------------------------------------------- |
||
| 844 | |||
| 259 | daniel-mar | 845 | /* r2x(d,m) x displacement of the pixel m units away, at an angle of d, |
| 846 | from an arbitrary center */ |
||
| 294 | daniel-mar | 847 | |
| 848 | value_type factory_r2x(value_type d, value_type m) { |
||
| 849 | // https://misc.daniel-marschall.de/projects/filter_factory/function_r2x.html |
||
| 850 | int eax = m; |
||
| 851 | int ebx = d; |
||
| 852 | ebx &= 1023; |
||
| 853 | ebx = FACTORY_COS_LOOKUP[ebx]; |
||
| 854 | return (((int64_t)eax * (int64_t)ebx) + 8191) >> 14; |
||
| 855 | } |
||
| 856 | |||
| 857 | value_type foundry_r2x(value_type d, value_type m) { |
||
| 858 | return (value_type)RINT(m * costab[abs(d) % COSTABSIZE]); |
||
| 859 | } |
||
| 860 | |||
| 259 | daniel-mar | 861 | value_type ff_r2x(value_type d,value_type m){ |
| 294 | daniel-mar | 862 | #ifdef use_filterfactory_implementation_r2x |
| 863 | return factory_r2x(d,m); |
||
| 864 | #else |
||
| 865 | return foundry_r2x(d, m); |
||
| 866 | #endif |
||
| 259 | daniel-mar | 867 | } |
| 868 | |||
| 294 | daniel-mar | 869 | // ------------------------------------------------------------------------------------------- |
| 870 | |||
| 259 | daniel-mar | 871 | /* r2y(d,m) y displacement of the pixel m units away, at an angle of d, |
| 872 | from an arbitrary center */ |
||
| 294 | daniel-mar | 873 | |
| 874 | value_type factory_r2y(value_type d, value_type m) { |
||
| 875 | // https://misc.daniel-marschall.de/projects/filter_factory/function_r2y.html |
||
| 876 | return factory_r2x(d - 256, m); |
||
| 877 | } |
||
| 878 | |||
| 879 | value_type foundry_r2y(value_type d, value_type m) { |
||
| 880 | return (value_type)RINT(m * costab[abs(d - 256) % COSTABSIZE]); |
||
| 881 | } |
||
| 882 | |||
| 259 | daniel-mar | 883 | value_type ff_r2y(value_type d,value_type m){ |
| 294 | daniel-mar | 884 | #ifdef use_filterfactory_implementation_r2y |
| 885 | return factory_r2y(d, m); |
||
| 886 | #else |
||
| 887 | return foundry_r2y(d, m); |
||
| 888 | #endif |
||
| 259 | daniel-mar | 889 | } |
| 890 | |||
| 294 | daniel-mar | 891 | // ------------------------------------------------------------------------------------------- |
| 892 | |||
| 893 | value_type ff_D() { |
||
| 894 | return 1024; |
||
| 895 | } |
||
| 896 | |||
| 897 | // ------------------------------------------------------------------------------------------- |
||
| 898 | |||
| 899 | value_type factory_d() { |
||
| 900 | return 0; // TODO! |
||
| 901 | } |
||
| 902 | |||
| 903 | value_type foundry_c2d_negated(int x, int y) { |
||
| 904 | return (value_type)RINT(TO_FFANGLE(atan2(-y, -x))); |
||
| 905 | } |
||
| 906 | |||
| 907 | value_type foundry_d() { |
||
| 259 | daniel-mar | 908 | // NOTE: FilterFactory uses c2d(x,y):=atan2(y,x), but d:=atan2(-y,-x) |
| 909 | // Due to compatibility reasons, we implement it the same way! |
||
| 910 | // Sign of y difference is negated, as we are dealing with top-down coordinates angle is "observed" |
||
| 294 | daniel-mar | 911 | int x = var['X'] / 2 - var['x']; |
| 912 | int y = var['Y'] / 2 - var['y']; |
||
| 913 | return ff_c2d_negated(x, y); |
||
| 259 | daniel-mar | 914 | } |
| 915 | |||
| 294 | daniel-mar | 916 | value_type ff_d() { |
| 917 | #ifdef use_filterfactory_implementation_d |
||
| 918 | return factory_d(); |
||
| 919 | #else |
||
| 920 | return foundry_d(); |
||
| 921 | #endif |
||
| 922 | } |
||
| 923 | |||
| 924 | // ------------------------------------------------------------------------------------------- |
||
| 925 | |||
| 926 | value_type factory_M() { |
||
| 927 | return 0; // TODO! |
||
| 928 | } |
||
| 929 | |||
| 930 | value_type foundry_M() { |
||
| 931 | return foundry_c2m(var['X'], var['Y']) / 2; |
||
| 932 | } |
||
| 933 | |||
| 934 | value_type ff_M() { |
||
| 935 | #ifdef use_filterfactory_implementation_M |
||
| 936 | return factory_M(); |
||
| 937 | #else |
||
| 938 | return foundry_M(); |
||
| 939 | #endif |
||
| 940 | } |
||
| 941 | |||
| 942 | // ------------------------------------------------------------------------------------------- |
||
| 943 | |||
| 944 | value_type factory_m() { |
||
| 945 | return 0; // TODO! |
||
| 946 | } |
||
| 947 | |||
| 948 | value_type foundry_m() { |
||
| 949 | return foundry_c2m(var['X'] / 2 - var['x'], var['Y'] / 2 - var['y']); |
||
| 950 | } |
||
| 951 | |||
| 952 | value_type ff_m() { |
||
| 953 | #ifdef use_filterfactory_implementation_m |
||
| 954 | return factory_m(); |
||
| 955 | #else |
||
| 956 | return foundry_m(); |
||
| 957 | #endif |
||
| 958 | } |
||
| 959 | |||
| 960 | // ------------------------------------------------------------------------------------------- |
||
| 961 | |||
| 962 | value_type factory_i() { |
||
| 963 | return ((76L * var['r']) + (150L * var['g']) + (29L * var['b'])) / 256; // range: [0..254] |
||
| 964 | } |
||
| 965 | |||
| 966 | value_type foundry_i() { |
||
| 967 | // These formulas are more accurate, e.g. pure white has now i=255 instead of 254 |
||
| 968 | return ((299L * var['r']) + (587L * var['g']) + (114L * var['b'])) / 1000; // range: [0..255] |
||
| 969 | } |
||
| 970 | |||
| 971 | value_type ff_i() { |
||
| 972 | #ifdef use_filterfactory_implementation_i |
||
| 973 | return factory_i(); |
||
| 974 | #else |
||
| 975 | return foundry_i(); |
||
| 976 | #endif |
||
| 977 | } |
||
| 978 | |||
| 979 | // ------------------------------------------------------------------------------------------- |
||
| 980 | |||
| 981 | value_type factory_u() { |
||
| 982 | return ((-19L * var['r']) + (-37L * var['g']) + (56L * var['b'])) / 256; // range: [-55..55] |
||
| 983 | } |
||
| 984 | |||
| 985 | value_type foundry_u() { |
||
| 986 | // These formulas are more accurate, e.g. pure white has now i=255 instead of 254 |
||
| 987 | return ((-147407L * var['r']) + (-289391L * var['g']) + (436798L * var['b'])) / 2000000; // range: [-55..55] |
||
| 988 | } |
||
| 989 | |||
| 990 | value_type ff_u() { |
||
| 991 | #ifdef use_filterfactory_implementation_u |
||
| 992 | return factory_u(); |
||
| 993 | #else |
||
| 994 | return foundry_u(); |
||
| 995 | #endif |
||
| 996 | } |
||
| 997 | |||
| 998 | // ------------------------------------------------------------------------------------------- |
||
| 999 | |||
| 1000 | value_type factory_v() { |
||
| 1001 | return ((78L * var['r']) + (-65L * var['g']) + (-13L * var['b'])) / 256; // range: [-77..77] |
||
| 1002 | } |
||
| 1003 | |||
| 1004 | value_type foundry_v() { |
||
| 1005 | // These formulas are more accurate, e.g. pure white has now i=255 instead of 254 |
||
| 1006 | return ((614777L * var['r']) + (-514799L * var['g']) + (-99978L * var['b'])) / 2000000; // range: [-78..78] |
||
| 1007 | } |
||
| 1008 | |||
| 1009 | value_type ff_v() { |
||
| 1010 | #ifdef use_filterfactory_implementation_v |
||
| 1011 | return factory_v(); |
||
| 1012 | #else |
||
| 1013 | return foundry_v(); |
||
| 1014 | #endif |
||
| 1015 | } |
||
| 1016 | |||
| 1017 | // ------------------------------------------------------------------------------------------- |
||
| 1018 | |||
| 259 | daniel-mar | 1019 | /* c2d(x,y) Angle displacement of the pixel at coordinates x,y */ |
| 294 | daniel-mar | 1020 | |
| 1021 | value_type factory_c2d(value_type x, value_type y) { |
||
| 1022 | // https://misc.daniel-marschall.de/projects/filter_factory/function_c2d.html |
||
| 1023 | int32_t aaa, bbb, ccc; |
||
| 1024 | aaa = y; |
||
| 1025 | bbb = x; |
||
| 1026 | ccc = 0; |
||
| 1027 | if (aaa < 0) { |
||
| 1028 | aaa = -aaa; |
||
| 1029 | ccc |= 0b0100; |
||
| 1030 | } |
||
| 1031 | if (bbb < 0) { |
||
| 1032 | bbb = -bbb; |
||
| 1033 | ccc |= 0x0011; |
||
| 1034 | } |
||
| 1035 | if (aaa > bbb) { |
||
| 1036 | ccc ^= 0b0001; |
||
| 1037 | int xxx = aaa; |
||
| 1038 | aaa = bbb; |
||
| 1039 | bbb = xxx; |
||
| 1040 | } |
||
| 1041 | if (aaa > 0) { |
||
| 1042 | aaa = aaa << 10; |
||
| 1043 | aaa /= bbb; |
||
| 1044 | if (aaa != 0) { |
||
| 1045 | aaa = (aaa & 0xFFFF0000) | (FACTORY_C2D_LOOKUP[aaa - 1] & 0xFFFF); |
||
| 1046 | aaa = aaa << 9; |
||
| 1047 | bbb = 205888; // 205888/65536 == pi |
||
| 1048 | aaa /= bbb; |
||
| 1049 | } |
||
| 1050 | } |
||
| 1051 | if ((ccc & 0b0001) != 0) { |
||
| 1052 | aaa = -aaa; |
||
| 1053 | aaa += 256; |
||
| 1054 | } |
||
| 1055 | if ((ccc & 0b0010) != 0) { |
||
| 1056 | aaa += 256; |
||
| 1057 | } |
||
| 1058 | if ((ccc & 0b0100) != 0) { |
||
| 1059 | aaa = -aaa; |
||
| 1060 | } |
||
| 1061 | return aaa; |
||
| 1062 | } |
||
| 1063 | |||
| 1064 | value_type foundry_c2d(value_type x, value_type y) { |
||
| 259 | daniel-mar | 1065 | // Behavior of FilterFoundry <1.7: |
| 294 | daniel-mar | 1066 | //return foundry_c2d_negated(x,y); |
| 259 | daniel-mar | 1067 | |
| 1068 | // Behavior in FilterFoundry 1.7+: Matches FilterFactory |
||
| 294 | daniel-mar | 1069 | return (value_type)RINT(TO_FFANGLE(atan2(y, x))); |
| 259 | daniel-mar | 1070 | } |
| 1071 | |||
| 294 | daniel-mar | 1072 | value_type ff_c2d(value_type x, value_type y) { |
| 1073 | #ifdef use_filterfactory_implementation_c2d |
||
| 1074 | return factory_c2d(x, y); |
||
| 1075 | #else |
||
| 1076 | return foundry_c2d(x, y); |
||
| 1077 | #endif |
||
| 1078 | } |
||
| 1079 | |||
| 1080 | // ------------------------------------------------------------------------------------------- |
||
| 1081 | |||
| 259 | daniel-mar | 1082 | /* c2m(x,y) Magnitude displacement of the pixel at coordinates x,y */ |
| 294 | daniel-mar | 1083 | |
| 1084 | value_type factory_c2m(value_type x, value_type y) { |
||
| 1085 | // https://misc.daniel-marschall.de/projects/filter_factory/function_c2m.html |
||
| 1086 | int32_t aaa, bbb; |
||
| 1087 | bbb = y < 0 ? -y : y; |
||
| 1088 | aaa = x < 0 ? -x : x; |
||
| 1089 | if (aaa == bbb) { |
||
| 1090 | aaa = 27146; // 27146/65536 == sqrt(1)-1 |
||
| 1091 | } |
||
| 1092 | else { |
||
| 1093 | if (aaa > bbb) { |
||
| 1094 | int xxx = aaa; |
||
| 1095 | aaa = bbb; |
||
| 1096 | bbb = xxx; |
||
| 1097 | } |
||
| 1098 | aaa = aaa << 10; |
||
| 1099 | aaa /= bbb; |
||
| 1100 | aaa = FACTORY_C2M_LOOKUP[aaa]; |
||
| 1101 | } |
||
| 1102 | aaa = ((int64_t)aaa * (int64_t)bbb) >> 16; |
||
| 1103 | aaa += bbb; |
||
| 1104 | return aaa; |
||
| 259 | daniel-mar | 1105 | } |
| 1106 | |||
| 294 | daniel-mar | 1107 | value_type foundry_c2m(value_type x, value_type y) { |
| 1108 | return isqrt((long)x * x + (long)y * y); |
||
| 1109 | } |
||
| 1110 | |||
| 1111 | value_type ff_c2m(value_type x, value_type y) { |
||
| 1112 | #ifdef use_filterfactory_implementation_c2m |
||
| 1113 | return factory_c2m(x, y); |
||
| 1114 | #else |
||
| 1115 | return foundry_c2m(x, y); |
||
| 1116 | #endif |
||
| 1117 | } |
||
| 1118 | |||
| 1119 | // ------------------------------------------------------------------------------------------- |
||
| 1120 | |||
| 259 | daniel-mar | 1121 | /* get(i) Returns the current cell value at i */ |
| 1122 | value_type ff_get(value_type i){ |
||
| 1123 | // Filter Factory: |
||
| 1124 | //return i>=0 && i<NUM_CELLS ? cell[i] : i; |
||
| 1125 | |||
| 1126 | // Filter Foundry: |
||
| 1127 | return i>=0 && i<NUM_CELLS ? cell[i] : 0; |
||
| 1128 | } |
||
| 1129 | |||
| 294 | daniel-mar | 1130 | // ------------------------------------------------------------------------------------------- |
| 1131 | |||
| 259 | daniel-mar | 1132 | /* put(v,i) Puts the new value v into cell i */ |
| 1133 | value_type ff_put(value_type v,value_type i){ |
||
| 1134 | if(i>=0 && i<NUM_CELLS) |
||
| 1135 | cell[i] = v; |
||
| 1136 | return v; |
||
| 1137 | } |
||
| 1138 | |||
| 294 | daniel-mar | 1139 | // ------------------------------------------------------------------------------------------- |
| 1140 | |||
| 259 | daniel-mar | 1141 | /* Convolve. Applies a convolution matrix and divides with d. */ |
| 1142 | value_type ff_cnv(value_type m11,value_type m12,value_type m13, |
||
| 291 | daniel-mar | 1143 | value_type m21,value_type m22,value_type m23, |
| 1144 | value_type m31,value_type m32,value_type m33, |
||
| 1145 | value_type d) |
||
| 259 | daniel-mar | 1146 | { |
| 268 | daniel-mar | 1147 | #ifdef PARSERTEST |
| 259 | daniel-mar | 1148 | return 0; |
| 268 | daniel-mar | 1149 | #else |
| 259 | daniel-mar | 1150 | long total; |
| 1151 | int x, y, z; |
||
| 1152 | // shift x,y from selection-relative to image relative |
||
| 1153 | if (HAS_BIG_DOC(gpb)) { |
||
| 1154 | x = var['x'] + BIGDOC_FILTER_RECT(gpb).left; |
||
| 1155 | y = var['y'] + BIGDOC_FILTER_RECT(gpb).top; |
||
| 1156 | } else { |
||
| 1157 | x = var['x'] + FILTER_RECT(gpb).left; |
||
| 1158 | y = var['y'] + FILTER_RECT(gpb).top; |
||
| 1159 | } |
||
| 1160 | z = var['z']; |
||
| 1161 | |||
| 1162 | if(z >= 0 && z < var['Z']) |
||
| 1163 | total = m11*rawsrc(x-1,y-1,z) + m12*rawsrc(x,y-1,z) + m13*rawsrc(x+1,y-1,z) |
||
| 1164 | + m21*rawsrc(x-1,y, z) + m22*rawsrc(x,y, z) + m23*rawsrc(x+1,y, z) |
||
| 1165 | + m31*rawsrc(x-1,y+1,z) + m32*rawsrc(x,y+1,z) + m33*rawsrc(x+1,y+1,z); |
||
| 1166 | else |
||
| 1167 | total = 0; |
||
| 1168 | |||
| 1169 | return d ? total/d : 0; |
||
| 268 | daniel-mar | 1170 | #endif |
| 259 | daniel-mar | 1171 | } |
| 1172 | |||
| 294 | daniel-mar | 1173 | // ------------------------------------------------------------------------------------------- |
| 259 | daniel-mar | 1174 | |
| 1175 | value_type zero_val = 0; |
||
| 1176 | value_type one_val = 1; |
||
| 1177 | value_type max_channel_val = 255; |
||
| 1178 | |||
| 1179 | /* predefined symbols */ |
||
| 1180 | struct sym_rec predefs[]={ |
||
| 1181 | /* functions */ |
||
| 1182 | |||
| 1183 | {0,TOK_FN3,"src", (pfunc_type)ff_src, 0}, |
||
| 1184 | {0,TOK_FN3,"rad", (pfunc_type)ff_rad, 0}, |
||
| 1185 | {0,TOK_FN1,"ctl", (pfunc_type)ff_ctl, 0}, |
||
| 1186 | {0,TOK_FN3,"val", (pfunc_type)ff_val, 0}, |
||
| 1187 | {0,TOK_FN2,"map", (pfunc_type)ff_map, 0}, |
||
| 1188 | {0,TOK_FN2,"min", (pfunc_type)ff_min, 0}, |
||
| 1189 | {0,TOK_FN2,"max", (pfunc_type)ff_max, 0}, |
||
| 1190 | {0,TOK_FN1,"abs", (pfunc_type)ff_abs, 0}, |
||
| 1191 | {0,TOK_FN3,"add", (pfunc_type)ff_add, 0}, |
||
| 1192 | {0,TOK_FN3,"sub", (pfunc_type)ff_sub, 0}, |
||
| 1193 | {0,TOK_FN2,"dif", (pfunc_type)ff_dif, 0}, |
||
| 1194 | {0,TOK_FN2,"rnd", (pfunc_type)ff_rnd, 0}, |
||
| 1195 | {0,TOK_FN4,"mix", (pfunc_type)ff_mix, 0}, |
||
| 1196 | {0,TOK_FN5,"scl", (pfunc_type)ff_scl, 0}, |
||
| 1197 | {0,TOK_FN1,"sqr", (pfunc_type)ff_sqr, 0}, |
||
| 1198 | {0,TOK_FN1,"sqrt", (pfunc_type)ff_sqr, 0}, // sqrt() is synonym to sqr() in Premiere |
||
| 1199 | {0,TOK_FN1,"sin", (pfunc_type)ff_sin, 0}, |
||
| 1200 | {0,TOK_FN1,"cos", (pfunc_type)ff_cos, 0}, |
||
| 1201 | {0,TOK_FN1,"tan", (pfunc_type)ff_tan, 0}, |
||
| 1202 | {0,TOK_FN2,"r2x", (pfunc_type)ff_r2x, 0}, |
||
| 1203 | {0,TOK_FN2,"r2y", (pfunc_type)ff_r2y, 0}, |
||
| 1204 | {0,TOK_FN2,"c2d", (pfunc_type)ff_c2d, 0}, |
||
| 1205 | {0,TOK_FN2,"c2m", (pfunc_type)ff_c2m, 0}, |
||
| 1206 | {0,TOK_FN1,"get", (pfunc_type)ff_get, 0}, |
||
| 1207 | {0,TOK_FN2,"put", (pfunc_type)ff_put, 0}, |
||
| 1208 | {0,TOK_FN10,"cnv",(pfunc_type)ff_cnv, 0}, |
||
| 1209 | {0,TOK_FN1,"rst", (pfunc_type)ff_rst, 0}, // undocumented FilterFactory function |
||
| 1210 | |||
| 1211 | /* predefined variables (names with more than 1 character); most of them are undocumented in FilterFactory */ |
||
| 1212 | /* the predefined variables with 1 character are defined in lexer.l and process.c */ |
||
| 1213 | /* in this table, you must not add TOK_VAR with only 1 character (since this case is not defined in parser.y) */ |
||
| 1214 | |||
| 1215 | {0,TOK_VAR,"rmax",0, &max_channel_val}, // alias of 'R' (defined in lexer.l, line 129) |
||
| 1216 | {0,TOK_VAR,"gmax",0, &max_channel_val}, // alias of 'G' (defined in lexer.l, line 129) |
||
| 1217 | {0,TOK_VAR,"bmax",0, &max_channel_val}, // alias of 'B' (defined in lexer.l, line 129) |
||
| 1218 | {0,TOK_VAR,"amax",0, &max_channel_val}, // alias of 'A' (defined in lexer.l, line 129) |
||
| 1219 | {0,TOK_VAR,"cmax",0, &max_channel_val}, // alias of 'C' (defined in lexer.l, line 129) |
||
| 1220 | {0,TOK_VAR,"imax",0, &max_channel_val}, // alias of 'I' (defined in lexer.l, line 129) |
||
| 1221 | {0,TOK_VAR,"umax",0, &max_channel_val}, // alias of 'U' (defined in lexer.l, line 129) |
||
| 1222 | {0,TOK_VAR,"vmax",0, &max_channel_val}, // alias of 'V' (defined in lexer.l, line 129) |
||
| 1223 | {0,TOK_VAR,"dmax",0, &var['D']}, |
||
| 1224 | {0,TOK_VAR,"mmax",0, &var['M']}, |
||
| 1225 | {0,TOK_VAR,"pmax",0, &var['Z']}, |
||
| 1226 | {0,TOK_VAR,"xmax",0, &var['X']}, |
||
| 1227 | {0,TOK_VAR,"ymax",0, &var['Y']}, |
||
| 1228 | {0,TOK_VAR,"zmax",0, &var['Z']}, |
||
| 1229 | |||
| 1230 | {0,TOK_VAR,"rmin",0, &zero_val}, |
||
| 1231 | {0,TOK_VAR,"gmin",0, &zero_val}, |
||
| 1232 | {0,TOK_VAR,"bmin",0, &zero_val}, |
||
| 1233 | {0,TOK_VAR,"amin",0, &zero_val}, |
||
| 1234 | {0,TOK_VAR,"cmin",0, &zero_val}, |
||
| 1235 | {0,TOK_VAR,"imin",0, &zero_val}, |
||
| 1236 | {0,TOK_VAR,"umin",0, &zero_val}, |
||
| 1237 | {0,TOK_VAR,"vmin",0, &zero_val}, |
||
| 1238 | {0,TOK_VAR,"dmin",0, &zero_val}, |
||
| 1239 | {0,TOK_VAR,"mmin",0, &zero_val}, |
||
| 1240 | {0,TOK_VAR,"pmin",0, &zero_val}, |
||
| 1241 | {0,TOK_VAR,"xmin",0, &zero_val}, |
||
| 1242 | {0,TOK_VAR,"ymin",0, &zero_val}, |
||
| 1243 | {0,TOK_VAR,"zmin",0, &zero_val}, |
||
| 1244 | |||
| 1245 | /* Undocumented synonyms of FilterFactory for compatibility with Premiere */ |
||
| 1246 | {0,TOK_FN10,"cnv0",(pfunc_type)ff_cnv, 0}, |
||
| 1247 | {0,TOK_FN3,"src0", (pfunc_type)ff_src, 0}, |
||
| 1248 | {0,TOK_FN3,"rad0", (pfunc_type)ff_rad, 0}, |
||
| 1249 | {0,TOK_FN10,"cnv1",(pfunc_type)ff_cnv, 0}, |
||
| 1250 | {0,TOK_FN3,"src1", (pfunc_type)ff_src, 0}, |
||
| 1251 | {0,TOK_FN3,"rad1", (pfunc_type)ff_rad, 0}, |
||
| 1252 | {0,TOK_VAR,"r0",0, &var['r']}, |
||
| 1253 | {0,TOK_VAR,"g0",0, &var['g']}, |
||
| 1254 | {0,TOK_VAR,"b0",0, &var['b']}, |
||
| 1255 | {0,TOK_VAR,"a0",0, &var['a']}, |
||
| 1256 | {0,TOK_VAR,"c0",0, &var['c']}, |
||
| 1257 | {0,TOK_VAR,"i0",0, &var['i']}, |
||
| 1258 | {0,TOK_VAR,"u0",0, &var['u']}, |
||
| 1259 | {0,TOK_VAR,"v0",0, &var['v']}, |
||
| 1260 | {0,TOK_VAR,"d0",0, &var['d']}, |
||
| 1261 | {0,TOK_VAR,"m0",0, &var['m']}, |
||
| 1262 | {0,TOK_VAR,"r1",0, &var['r']}, |
||
| 1263 | {0,TOK_VAR,"g1",0, &var['g']}, |
||
| 1264 | {0,TOK_VAR,"b1",0, &var['b']}, |
||
| 1265 | {0,TOK_VAR,"a1",0, &var['a']}, |
||
| 1266 | {0,TOK_VAR,"c1",0, &var['c']}, |
||
| 1267 | {0,TOK_VAR,"i1",0, &var['i']}, |
||
| 1268 | {0,TOK_VAR,"u1",0, &var['u']}, |
||
| 1269 | {0,TOK_VAR,"v1",0, &var['v']}, |
||
| 1270 | {0,TOK_VAR,"d1",0, &var['d']}, |
||
| 1271 | {0,TOK_VAR,"m1",0, &var['m']}, |
||
| 1272 | {0,TOK_VAR,"tmin",0, &zero_val}, |
||
| 1273 | {0,TOK_VAR,"tmax",0, &one_val}, |
||
| 1274 | {0,TOK_VAR,"total",0, &one_val}, |
||
| 1275 | |||
| 1276 | {0,0,0,0,0} |
||
| 1277 | }; |