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Rev | Author | Line No. | Line |
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259 | daniel-mar | 1 | /* |
500 | daniel-mar | 2 | This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
3 | Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au |
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503 | daniel-mar | 4 | Copyright (C) 2018-2022 Daniel Marschall, ViaThinkSoft |
259 | daniel-mar | 5 | |
500 | daniel-mar | 6 | This program is free software; you can redistribute it and/or modify |
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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259 | daniel-mar | 10 | |
500 | daniel-mar | 11 | This program is distributed in the hope that it will be useful, |
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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259 | daniel-mar | 15 | |
500 | daniel-mar | 16 | You should have received a copy of the GNU General Public License |
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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259 | daniel-mar | 19 | */ |
20 | |||
21 | #ifdef MAC_ENV |
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500 | daniel-mar | 22 | #include <fp.h> |
259 | daniel-mar | 23 | #endif |
24 | |||
25 | #include <math.h> |
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26 | #include <stdlib.h> |
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27 | |||
28 | #ifndef PARSERTEST |
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500 | daniel-mar | 29 | #include "ff.h" |
297 | daniel-mar | 30 | #else |
500 | daniel-mar | 31 | #define uint8_t unsigned char |
32 | #define uint16_t unsigned short |
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33 | #define uint32_t unsigned int |
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34 | #define int32_t int |
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259 | daniel-mar | 35 | #endif |
268 | daniel-mar | 36 | |
259 | daniel-mar | 37 | #include "funcs.h" |
38 | #include "y.tab.h" |
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39 | |||
40 | #include "node.h" // for symbol "var[]" |
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41 | |||
42 | #define RINT //no rounding for now |
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43 | |||
44 | //#if TARGET_API_MAC_CARBON |
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45 | // this is another incompatibility between Classic stdclib and OS X stdclib |
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46 | // ***FIXME: need to access real OS X includes for Carbon build |
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47 | //#undef RAND_MAX |
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48 | //#define RAND_MAX 0x7fffffff |
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49 | //#endif |
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50 | |||
294 | daniel-mar | 51 | const int FACTORY_COS_LOOKUP[1024] = { |
52 | 16384, 16383, 16382, 16381, 16379, 16376, 16372, 16368, 16364, 16359, 16353, 16346, 16339, 16331, 16323, |
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53 | 16314, 16305, 16294, 16284, 16272, 16260, 16248, 16234, 16221, 16206, 16191, 16175, 16159, 16142, 16125, |
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54 | 16107, 16088, 16069, 16049, 16028, 16007, 15985, 15963, 15940, 15917, 15893, 15868, 15842, 15817, 15790, |
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55 | 15763, 15735, 15707, 15678, 15649, 15618, 15588, 15557, 15525, 15492, 15459, 15426, 15392, 15357, 15322, |
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56 | 15286, 15249, 15212, 15175, 15136, 15098, 15058, 15018, 14978, 14937, 14895, 14853, 14811, 14767, 14723, |
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57 | 14679, 14634, 14589, 14543, 14496, 14449, 14401, 14353, 14304, 14255, 14205, 14155, 14104, 14053, 14001, |
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58 | 13948, 13895, 13842, 13788, 13733, 13678, 13622, 13566, 13510, 13452, 13395, 13337, 13278, 13219, 13159, |
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59 | 13099, 13039, 12977, 12916, 12854, 12791, 12728, 12665, 12601, 12536, 12471, 12406, 12340, 12273, 12207, |
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60 | 12139, 12072, 12003, 11935, 11866, 11796, 11726, 11656, 11585, 11513, 11442, 11370, 11297, 11224, 11151, |
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61 | 11077, 11003, 10928, 10853, 10777, 10701, 10625, 10548, 10471, 10394, 10316, 10237, 10159, 10080, 10000, |
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62 | 9920, 9840, 9760, 9679, 9597, 9516, 9434, 9351, 9269, 9186, 9102, 9018, 8934, 8850, 8765, 8680, 8595, |
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63 | 8509, 8423, 8336, 8250, 8163, 8075, 7988, 7900, 7812, 7723, 7634, 7545, 7456, 7366, 7276, 7186, 7096, |
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64 | 7005, 6914, 6822, 6731, 6639, 6547, 6455, 6362, 6270, 6176, 6083, 5990, 5896, 5802, 5708, 5614, 5519, |
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65 | 5424, 5329, 5234, 5139, 5043, 4948, 4852, 4756, 4659, 4563, 4466, 4369, 4273, 4175, 4078, 3981, 3883, |
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66 | 3785, 3687, 3589, 3491, 3393, 3295, 3196, 3097, 2998, 2900, 2801, 2702, 2602, 2503, 2404, 2304, 2205, |
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67 | 2105, 2005, 1905, 1806, 1706, 1606, 1505, 1405, 1305, 1205, 1105, 1004, 904, 804, 703, 603, 502, 402, |
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68 | 301, 201, 100, -100, -201, -301, -402, -502, -603, -703, -804, -904, -1004, -1105, -1205, -1305, -1405, |
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69 | -1505, -1606, -1706, -1806, -1905, -2005, -2105, -2205, -2304, -2404, -2503, -2602, -2702, -2801, -2900, |
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70 | -2998, -3097, -3196, -3295, -3393, -3491, -3589, -3687, -3785, -3883, -3981, -4078, -4175, -4273, -4369, |
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71 | -4466, -4563, -4659, -4756, -4852, -4948, -5043, -5139, -5234, -5329, -5424, -5519, -5614, -5708, -5802, |
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72 | -5896, -5990, -6083, -6176, -6270, -6362, -6455, -6547, -6639, -6731, -6822, -6914, -7005, -7096, -7186, |
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73 | -7276, -7366, -7456, -7545, -7634, -7723, -7812, -7900, -7988, -8075, -8163, -8250, -8336, -8423, -8509, |
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74 | -8595, -8680, -8765, -8850, -8934, -9018, -9102, -9186, -9269, -9351, -9434, -9516, -9597, -9679, -9760, |
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75 | -9840, -9920, -10000, -10080, -10159, -10237, -10316, -10394, -10471, -10548, -10625, -10701, -10777, |
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76 | -10853, -10928, -11003, -11077, -11151, -11224, -11297, -11370, -11442, -11513, -11585, -11656, -11726, |
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77 | -11796, -11866, -11935, -12003, -12072, -12139, -12207, -12273, -12340, -12406, -12471, -12536, -12601, |
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78 | -12665, -12728, -12791, -12854, -12916, -12977, -13039, -13099, -13159, -13219, -13278, -13337, -13395, |
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79 | -13452, -13510, -13566, -13622, -13678, -13733, -13788, -13842, -13895, -13948, -14001, -14053, -14104, |
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80 | -14155, -14205, -14255, -14304, -14353, -14401, -14449, -14496, -14543, -14589, -14634, -14679, -14723, |
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81 | -14767, -14811, -14853, -14895, -14937, -14978, -15018, -15058, -15098, -15136, -15175, -15212, -15249, |
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82 | -15286, -15322, -15357, -15392, -15426, -15459, -15492, -15525, -15557, -15588, -15618, -15649, -15678, |
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83 | -15707, -15735, -15763, -15790, -15817, -15842, -15868, -15893, -15917, -15940, -15963, -15985, -16007, |
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84 | -16028, -16049, -16069, -16088, -16107, -16125, -16142, -16159, -16175, -16191, -16206, -16221, -16234, |
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85 | -16248, -16260, -16272, -16284, -16294, -16305, -16314, -16323, -16331, -16339, -16346, -16353, -16359, |
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86 | -16364, -16368, -16372, -16376, -16379, -16381, -16382, -16383, -16384, -16384, -16383, -16382, -16381, |
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87 | -16379, -16376, -16372, -16368, -16364, -16359, -16353, -16346, -16339, -16331, -16323, -16314, -16305, |
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88 | -16294, -16284, -16272, -16260, -16248, -16234, -16221, -16206, -16191, -16175, -16159, -16142, -16125, |
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89 | -16107, -16088, -16069, -16049, -16028, -16007, -15985, -15963, -15940, -15917, -15893, -15868, -15842, |
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90 | -15817, -15790, -15763, -15735, -15707, -15678, -15649, -15618, -15588, -15557, -15525, -15492, -15459, |
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91 | -15426, -15392, -15357, -15322, -15286, -15249, -15212, -15175, -15136, -15098, -15058, -15018, -14978, |
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92 | -14937, -14895, -14853, -14811, -14767, -14723, -14679, -14634, -14589, -14543, -14496, -14449, -14401, |
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93 | -14353, -14304, -14255, -14205, -14155, -14104, -14053, -14001, -13948, -13895, -13842, -13788, -13733, |
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94 | -13678, -13622, -13566, -13510, -13452, -13395, -13337, -13278, -13219, -13159, -13099, -13039, -12977, |
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95 | -12916, -12854, -12791, -12728, -12665, -12601, -12536, -12471, -12406, -12340, -12273, -12207, -12139, |
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96 | -12072, -12003, -11935, -11866, -11796, -11726, -11656, -11585, -11513, -11442, -11370, -11297, -11224, |
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97 | -11151, -11077, -11003, -10928, -10853, -10777, -10701, -10625, -10548, -10471, -10394, -10316, -10237, |
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98 | -10159, -10080, -10000, -9920, -9840, -9760, -9679, -9597, -9516, -9434, -9351, -9269, -9186, -9102, |
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99 | -9018, -8934, -8850, -8765, -8680, -8595, -8509, -8423, -8336, -8250, -8163, -8075, -7988, -7900, -7812, |
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100 | -7723, -7634, -7545, -7456, -7366, -7276, -7186, -7096, -7005, -6914, -6822, -6731, -6639, -6547, -6455, |
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101 | -6362, -6270, -6176, -6083, -5990, -5896, -5802, -5708, -5614, -5519, -5424, -5329, -5234, -5139, -5043, |
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102 | -4948, -4852, -4756, -4659, -4563, -4466, -4369, -4273, -4175, -4078, -3981, -3883, -3785, -3687, -3589, |
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103 | -3491, -3393, -3295, -3196, -3097, -2998, -2900, -2801, -2702, -2602, -2503, -2404, -2304, -2205, -2105, |
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104 | -2005, -1905, -1806, -1706, -1606, -1505, -1405, -1305, -1205, -1105, -1004, -904, -804, -703, -603, -502, |
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105 | -402, -301, -201, -100, 100, 201, 301, 402, 502, 603, 703, 804, 904, 1004, 1105, 1205, 1305, 1405, 1505, |
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106 | 1606, 1706, 1806, 1905, 2005, 2105, 2205, 2304, 2404, 2503, 2602, 2702, 2801, 2900, 2998, 3097, 3196, |
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107 | 3295, 3393, 3491, 3589, 3687, 3785, 3883, 3981, 4078, 4175, 4273, 4369, 4466, 4563, 4659, 4756, 4852, |
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108 | 4948, 5043, 5139, 5234, 5329, 5424, 5519, 5614, 5708, 5802, 5896, 5990, 6083, 6176, 6270, 6362, 6455, |
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109 | 6547, 6639, 6731, 6822, 6914, 7005, 7096, 7186, 7276, 7366, 7456, 7545, 7634, 7723, 7812, 7900, 7988, |
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110 | 8075, 8163, 8250, 8336, 8423, 8509, 8595, 8680, 8765, 8850, 8934, 9018, 9102, 9186, 9269, 9351, 9434, |
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111 | 9516, 9597, 9679, 9760, 9840, 9920, 10000, 10080, 10159, 10237, 10316, 10394, 10471, 10548, 10625, 10701, |
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112 | 10777, 10853, 10928, 11003, 11077, 11151, 11224, 11297, 11370, 11442, 11513, 11585, 11656, 11726, 11796, |
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113 | 11866, 11935, 12003, 12072, 12139, 12207, 12273, 12340, 12406, 12471, 12536, 12601, 12665, 12728, 12791, |
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114 | 12854, 12916, 12977, 13039, 13099, 13159, 13219, 13278, 13337, 13395, 13452, 13510, 13566, 13622, 13678, |
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115 | 13733, 13788, 13842, 13895, 13948, 14001, 14053, 14104, 14155, 14205, 14255, 14304, 14353, 14401, 14449, |
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116 | 14496, 14543, 14589, 14634, 14679, 14723, 14767, 14811, 14853, 14895, 14937, 14978, 15018, 15058, 15098, |
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117 | 15136, 15175, 15212, 15249, 15286, 15322, 15357, 15392, 15426, 15459, 15492, 15525, 15557, 15588, 15618, |
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118 | 15649, 15678, 15707, 15735, 15763, 15790, 15817, 15842, 15868, 15893, 15917, 15940, 15963, 15985, 16007, |
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119 | 16028, 16049, 16069, 16088, 16107, 16125, 16142, 16159, 16175, 16191, 16206, 16221, 16234, 16248, 16260, |
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120 | 16272, 16284, 16294, 16305, 16314, 16323, 16331, 16339, 16346, 16353, 16359, 16364, 16368, 16372, 16376, |
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121 | 16379, 16381, 16382, 16383, 16384 }; |
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122 | |||
123 | const uint16_t FACTORY_C2D_LOOKUP[1024] = { |
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124 | 64, 128, 191, 255, 319, 383, 447, 511, 575, 639, 703, 767, 831, 895, 959, 1023, 1087, 1151, 1215, 1279, |
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125 | 1343, 1407, 1471, 1535, 1599, 1663, 1727, 1791, 1855, 1919, 1983, 2047, 2111, 2175, 2239, 2303, 2366, |
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126 | 2430, 2494, 2558, 2622, 2686, 2750, 2814, 2878, 2942, 3005, 3069, 3133, 3197, 3261, 3325, 3388, 3452, |
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127 | 3516, 3580, 3644, 3708, 3771, 3835, 3899, 3963, 4026, 4090, 4154, 4218, 4281, 4345, 4409, 4473, 4536, |
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128 | 4600, 4664, 4727, 4791, 4855, 4918, 4982, 5046, 5109, 5173, 5236, 5300, 5364, 5427, 5491, 5554, 5618, |
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129 | 5681, 5745, 5808, 5872, 5935, 5999, 6062, 6126, 6189, 6252, 6316, 6379, 6443, 6506, 6569, 6633, 6696, |
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130 | 6759, 6823, 6886, 6949, 7013, 7076, 7139, 7202, 7266, 7329, 7392, 7455, 7518, 7582, 7645, 7708, 7771, |
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131 | 7834, 7897, 7960, 8023, 8086, 8149, 8212, 8275, 8338, 8401, 8464, 8527, 8590, 8653, 8716, 8779, 8841, |
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132 | 8904, 8967, 9030, 9093, 9155, 9218, 9281, 9344, 9406, 9469, 9532, 9594, 9657, 9720, 9782, 9845, 9907, |
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133 | 9970, 10032, 10095, 10157, 10220, 10282, 10345, 10407, 10470, 10532, 10594, 10657, 10719, 10781, 10843, |
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134 | 10906, 10968, 11030, 11092, 11155, 11217, 11279, 11341, 11403, 11465, 11527, 11589, 11651, 11713, 11775, |
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135 | 11837, 11899, 11961, 12023, 12085, 12146, 12208, 12270, 12332, 12394, 12455, 12517, 12579, 12640, 12702, |
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136 | 12764, 12825, 12887, 12948, 13010, 13071, 13133, 13194, 13256, 13317, 13379, 13440, 13501, 13563, 13624, |
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137 | 13685, 13746, 13808, 13869, 13930, 13991, 14052, 14113, 14174, 14235, 14296, 14357, 14418, 14479, 14540, |
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138 | 14601, 14662, 14723, 14784, 14844, 14905, 14966, 15027, 15087, 15148, 15208, 15269, 15330, 15390, 15451, |
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139 | 15511, 15572, 15632, 15693, 15753, 15813, 15874, 15934, 15994, 16054, 16115, 16175, 16235, 16295, 16355, |
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140 | 16415, 16475, 16535, 16595, 16655, 16715, 16775, 16835, 16895, 16955, 17015, 17074, 17134, 17194, 17254, |
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141 | 17313, 17373, 17432, 17492, 17551, 17611, 17670, 17730, 17789, 17849, 17908, 17967, 18027, 18086, 18145, |
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142 | 18204, 18264, 18323, 18382, 18441, 18500, 18559, 18618, 18677, 18736, 18795, 18854, 18912, 18971, 19030, |
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143 | 19089, 19147, 19206, 19265, 19323, 19382, 19440, 19499, 19557, 19616, 19674, 19733, 19791, 19849, 19908, |
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144 | 19966, 20024, 20082, 20141, 20199, 20257, 20315, 20373, 20431, 20489, 20547, 20605, 20663, 20720, 20778, |
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145 | 20836, 20894, 20951, 21009, 21067, 21124, 21182, 21239, 21297, 21354, 21412, 21469, 21526, 21584, 21641, |
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146 | 21698, 21756, 21813, 21870, 21927, 21984, 22041, 22098, 22155, 22212, 22269, 22326, 22383, 22439, 22496, |
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147 | 22553, 22610, 22666, 22723, 22780, 22836, 22893, 22949, 23006, 23062, 23118, 23175, 23231, 23287, 23344, |
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148 | 23400, 23456, 23512, 23568, 23624, 23680, 23736, 23792, 23848, 23904, 23960, 24016, 24071, 24127, 24183, |
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149 | 24238, 24294, 24350, 24405, 24461, 24516, 24572, 24627, 24682, 24738, 24793, 24848, 24904, 24959, 25014, |
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150 | 25069, 25124, 25179, 25234, 25289, 25344, 25399, 25454, 25509, 25563, 25618, 25673, 25727, 25782, 25836, |
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151 | 25891, 25945, 26000, 26054, 26109, 26163, 26217, 26271, 26326, 26380, 26434, 26488, 26542, 26596, 26650, |
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152 | 26704, 26758, 26812, 26866, 26920, 26974, 27027, 27081, 27135, 27188, 27242, 27295, 27349, 27402, 27456, |
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153 | 27509, 27563, 27616, 27669, 27722, 27776, 27829, 27882, 27935, 27988, 28041, 28094, 28147, 28200, 28253, |
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154 | 28305, 28358, 28411, 28464, 28516, 28569, 28621, 28674, 28726, 28779, 28831, 28884, 28936, 28988, 29041, |
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155 | 29093, 29145, 29197, 29249, 29301, 29353, 29405, 29457, 29509, 29561, 29613, 29664, 29716, 29768, 29820, |
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156 | 29871, 29923, 29974, 30026, 30077, 30129, 30180, 30231, 30283, 30334, 30385, 30436, 30488, 30539, 30590, |
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157 | 30641, 30692, 30743, 30794, 30844, 30895, 30946, 30997, 31047, 31098, 31149, 31199, 31250, 31300, 31351, |
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158 | 31401, 31452, 31502, 31552, 31602, 31653, 31703, 31753, 31803, 31853, 31903, 31953, 32003, 32053, 32103, |
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159 | 32153, 32202, 32252, 32302, 32351, 32401, 32451, 32500, 32550, 32599, 32649, 32698, 32747, 32796, 32846, |
||
160 | 32895, 32944, 32993, 33042, 33091, 33140, 33189, 33238, 33287, 33336, 33385, 33434, 33482, 33531, 33580, |
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161 | 33628, 33677, 33725, 33774, 33822, 33871, 33919, 33967, 34015, 34064, 34112, 34160, 34208, 34256, 34304, |
||
162 | 34352, 34400, 34448, 34496, 34544, 34592, 34639, 34687, 34735, 34782, 34830, 34877, 34925, 34972, 35020, |
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163 | 35067, 35115, 35162, 35209, 35256, 35303, 35351, 35398, 35445, 35492, 35539, 35586, 35633, 35679, 35726, |
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164 | 35773, 35820, 35866, 35913, 35960, 36006, 36053, 36099, 36146, 36192, 36239, 36285, 36331, 36377, 36424, |
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165 | 36470, 36516, 36562, 36608, 36654, 36700, 36746, 36792, 36838, 36883, 36929, 36975, 37021, 37066, 37112, |
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166 | 37157, 37203, 37248, 37294, 37339, 37385, 37430, 37475, 37520, 37566, 37611, 37656, 37701, 37746, 37791, |
||
167 | 37836, 37881, 37926, 37971, 38015, 38060, 38105, 38149, 38194, 38239, 38283, 38328, 38372, 38417, 38461, |
||
168 | 38505, 38550, 38594, 38638, 38682, 38727, 38771, 38815, 38859, 38903, 38947, 38991, 39035, 39078, 39122, |
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169 | 39166, 39210, 39253, 39297, 39341, 39384, 39428, 39471, 39515, 39558, 39601, 39645, 39688, 39731, 39774, |
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170 | 39818, 39861, 39904, 39947, 39990, 40033, 40076, 40119, 40161, 40204, 40247, 40290, 40332, 40375, 40418, |
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171 | 40460, 40503, 40545, 40588, 40630, 40673, 40715, 40757, 40799, 40842, 40884, 40926, 40968, 41010, 41052, |
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172 | 41094, 41136, 41178, 41220, 41262, 41303, 41345, 41387, 41429, 41470, 41512, 41553, 41595, 41636, 41678, |
||
173 | 41719, 41761, 41802, 41843, 41885, 41926, 41967, 42008, 42049, 42090, 42131, 42172, 42213, 42254, 42295, |
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174 | 42336, 42376, 42417, 42458, 42499, 42539, 42580, 42620, 42661, 42701, 42742, 42782, 42823, 42863, 42903, |
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175 | 42944, 42984, 43024, 43064, 43104, 43144, 43184, 43224, 43264, 43304, 43344, 43384, 43424, 43463, 43503, |
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176 | 43543, 43582, 43622, 43662, 43701, 43741, 43780, 43820, 43859, 43898, 43938, 43977, 44016, 44055, 44094, |
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177 | 44134, 44173, 44212, 44251, 44290, 44329, 44368, 44406, 44445, 44484, 44523, 44562, 44600, 44639, 44677, |
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178 | 44716, 44755, 44793, 44832, 44870, 44908, 44947, 44985, 45023, 45062, 45100, 45138, 45176, 45214, 45252, |
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179 | 45290, 45328, 45366, 45404, 45442, 45480, 45518, 45555, 45593, 45631, 45668, 45706, 45744, 45781, 45819, |
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180 | 45856, 45894, 45931, 45968, 46006, 46043, 46080, 46117, 46155, 46192, 46229, 46266, 46303, 46340, 46377, |
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181 | 46414, 46451, 46488, 46525, 46561, 46598, 46635, 46672, 46708, 46745, 46781, 46818, 46854, 46891, 46927, |
||
182 | 46964, 47000, 47037, 47073, 47109, 47145, 47182, 47218, 47254, 47290, 47326, 47362, 47398, 47434, 47470, |
||
183 | 47506, 47542, 47577, 47613, 47649, 47685, 47720, 47756, 47792, 47827, 47863, 47898, 47934, 47969, 48004, |
||
184 | 48040, 48075, 48110, 48146, 48181, 48216, 48251, 48286, 48322, 48357, 48392, 48427, 48462, 48496, 48531, |
||
185 | 48566, 48601, 48636, 48671, 48705, 48740, 48775, 48809, 48844, 48878, 48913, 48947, 48982, 49016, 49051, |
||
186 | 49085, 49119, 49154, 49188, 49222, 49256, 49290, 49324, 49359, 49393, 49427, 49461, 49495, 49528, 49562, |
||
187 | 49596, 49630, 49664, 49698, 49731, 49765, 49799, 49832, 49866, 49899, 49933, 49966, 50000, 50033, 50067, |
||
188 | 50100, 50133, 50167, 50200, 50233, 50266, 50299, 50333, 50366, 50399, 50432, 50465, 50498, 50531, 50564, |
||
189 | 50597, 50629, 50662, 50695, 50728, 50760, 50793, 50826, 50858, 50891, 50924, 50956, 50989, 51021, 51053, |
||
190 | 51086, 51118, 51151, 51183, 51215, 51247, 51280, 51312, 51344, 51376, 51408, 51440, 51472 }; |
||
191 | |||
192 | const uint16_t FACTORY_C2M_LOOKUP[1024] = { |
||
193 | 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, |
||
194 | 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, |
||
195 | 113, 116, 119, 123, 126, 129, 133, 137, 140, 144, 148, 152, 155, 159, 163, 167, 172, 176, 180, 184, 189, |
||
196 | 193, 198, 202, 207, 212, 217, 221, 226, 231, 236, 241, 246, 252, 257, 262, 268, 273, 279, 284, 290, 295, |
||
197 | 301, 307, 313, 319, 325, 331, 337, 343, 350, 356, 362, 369, 375, 382, 388, 395, 402, 409, 415, 422, 429, |
||
198 | 436, 443, 451, 458, 465, 473, 480, 487, 495, 503, 510, 518, 526, 534, 542, 549, 558, 566, 574, 582, 590, |
||
199 | 599, 607, 615, 624, 633, 641, 650, 659, 667, 676, 685, 694, 703, 712, 722, 731, 740, 750, 759, 768, 778, |
||
200 | 788, 797, 807, 817, 827, 837, 847, 857, 867, 877, 887, 897, 908, 918, 928, 939, 950, 960, 971, 982, 992, |
||
201 | 1003, 1014, 1025, 1036, 1047, 1059, 1070, 1081, 1092, 1104, 1115, 1127, 1138, 1150, 1162, 1174, 1185, 1197, |
||
202 | 1209, 1221, 1233, 1245, 1258, 1270, 1282, 1294, 1307, 1319, 1332, 1344, 1357, 1370, 1383, 1395, 1408, 1421, |
||
203 | 1434, 1447, 1460, 1474, 1487, 1500, 1514, 1527, 1540, 1554, 1568, 1581, 1595, 1609, 1622, 1636, 1650, 1664, |
||
204 | 1678, 1692, 1707, 1721, 1735, 1749, 1764, 1778, 1793, 1807, 1822, 1837, 1852, 1866, 1881, 1896, 1911, 1926, |
||
205 | 1941, 1956, 1972, 1987, 2002, 2018, 2033, 2048, 2064, 2080, 2095, 2111, 2127, 2143, 2159, 2174, 2190, 2207, |
||
206 | 2223, 2239, 2255, 2271, 2288, 2304, 2321, 2337, 2354, 2370, 2387, 2404, 2420, 2437, 2454, 2471, 2488, 2505, |
||
207 | 2522, 2540, 2557, 2574, 2592, 2609, 2626, 2644, 2662, 2679, 2697, 2715, 2732, 2750, 2768, 2786, 2804, 2822, |
||
208 | 2840, 2859, 2877, 2895, 2913, 2932, 2950, 2969, 2987, 3006, 3025, 3043, 3062, 3081, 3100, 3119, 3138, 3157, |
||
209 | 3176, 3195, 3214, 3234, 3253, 3272, 3292, 3311, 3331, 3351, 3370, 3390, 3410, 3430, 3449, 3469, 3489, 3509, |
||
210 | 3529, 3550, 3570, 3590, 3610, 3631, 3651, 3672, 3692, 3713, 3733, 3754, 3775, 3795, 3816, 3837, 3858, 3879, |
||
211 | 3900, 3921, 3942, 3964, 3985, 4006, 4027, 4049, 4070, 4092, 4113, 4135, 4157, 4178, 4200, 4222, 4244, 4266, |
||
212 | 4288, 4310, 4332, 4354, 4376, 4399, 4421, 4443, 4466, 4488, 4510, 4533, 4556, 4578, 4601, 4624, 4647, 4669, |
||
213 | 4692, 4715, 4738, 4761, 4784, 4808, 4831, 4854, 4877, 4901, 4924, 4948, 4971, 4995, 5018, 5042, 5066, 5089, |
||
214 | 5113, 5137, 5161, 5185, 5209, 5233, 5257, 5281, 5306, 5330, 5354, 5378, 5403, 5427, 5452, 5476, 5501, 5526, |
||
215 | 5550, 5575, 5600, 5625, 5650, 5675, 5700, 5725, 5750, 5775, 5800, 5825, 5851, 5876, 5901, 5927, 5952, 5978, |
||
216 | 6003, 6029, 6055, 6080, 6106, 6132, 6158, 6184, 6210, 6236, 6262, 6288, 6314, 6340, 6367, 6393, 6419, 6446, |
||
217 | 6472, 6499, 6525, 6552, 6578, 6605, 6632, 6658, 6685, 6712, 6739, 6766, 6793, 6820, 6847, 6874, 6901, 6929, |
||
218 | 6956, 6983, 7011, 7038, 7066, 7093, 7121, 7148, 7176, 7204, 7231, 7259, 7287, 7315, 7343, 7371, 7399, 7427, |
||
219 | 7455, 7483, 7511, 7539, 7568, 7596, 7624, 7653, 7681, 7710, 7738, 7767, 7796, 7824, 7853, 7882, 7911, 7940, |
||
220 | 7968, 7997, 8026, 8055, 8085, 8114, 8143, 8172, 8201, 8231, 8260, 8289, 8319, 8348, 8378, 8407, 8437, 8467, |
||
221 | 8496, 8526, 8556, 8586, 8616, 8646, 8675, 8705, 8736, 8766, 8796, 8826, 8856, 8886, 8917, 8947, 8977, 9008, |
||
222 | 9038, 9069, 9099, 9130, 9161, 9191, 9222, 9253, 9284, 9315, 9345, 9376, 9407, 9438, 9469, 9501, 9532, 9563, |
||
223 | 9594, 9625, 9657, 9688, 9719, 9751, 9782, 9814, 9845, 9877, 9909, 9940, 9972, 10004, 10036, 10068, 10099, |
||
224 | 10131, 10163, 10195, 10227, 10259, 10292, 10324, 10356, 10388, 10421, 10453, 10485, 10518, 10550, 10583, |
||
225 | 10615, 10648, 10680, 10713, 10746, 10778, 10811, 10844, 10877, 10910, 10943, 10976, 11009, 11042, 11075, |
||
226 | 11108, 11141, 11174, 11208, 11241, 11274, 11308, 11341, 11374, 11408, 11441, 11475, 11509, 11542, 11576, |
||
227 | 11610, 11643, 11677, 11711, 11745, 11779, 11813, 11847, 11881, 11915, 11949, 11983, 12017, 12051, 12085, |
||
228 | 12120, 12154, 12188, 12223, 12257, 12292, 12326, 12361, 12395, 12430, 12465, 12499, 12534, 12569, 12604, |
||
229 | 12638, 12673, 12708, 12743, 12778, 12813, 12848, 12883, 12918, 12954, 12989, 13024, 13059, 13095, 13130, |
||
230 | 13165, 13201, 13236, 13272, 13307, 13343, 13379, 13414, 13450, 13486, 13521, 13557, 13593, 13629, 13665, |
||
231 | 13701, 13736, 13772, 13809, 13845, 13881, 13917, 13953, 13989, 14025, 14062, 14098, 14134, 14171, 14207, |
||
232 | 14244, 14280, 14317, 14353, 14390, 14426, 14463, 14500, 14536, 14573, 14610, 14647, 14684, 14721, 14758, |
||
233 | 14794, 14831, 14869, 14906, 14943, 14980, 15017, 15054, 15091, 15129, 15166, 15203, 15241, 15278, 15316, |
||
234 | 15353, 15391, 15428, 15466, 15503, 15541, 15579, 15616, 15654, 15692, 15730, 15767, 15805, 15843, 15881, |
||
235 | 15919, 15957, 15995, 16033, 16071, 16109, 16147, 16186, 16224, 16262, 16300, 16339, 16377, 16416, 16454, |
||
236 | 16492, 16531, 16569, 16608, 16646, 16685, 16724, 16762, 16801, 16840, 16879, 16917, 16956, 16995, 17034, |
||
237 | 17073, 17112, 17151, 17190, 17229, 17268, 17307, 17346, 17385, 17425, 17464, 17503, 17542, 17582, 17621, |
||
238 | 17660, 17700, 17739, 17779, 17818, 17858, 17897, 17937, 17977, 18016, 18056, 18096, 18135, 18175, 18215, |
||
239 | 18255, 18295, 18335, 18375, 18415, 18455, 18495, 18535, 18575, 18615, 18655, 18695, 18735, 18776, 18816, |
||
240 | 18856, 18896, 18937, 18977, 19017, 19058, 19098, 19139, 19179, 19220, 19260, 19301, 19342, 19382, 19423, |
||
241 | 19464, 19505, 19545, 19586, 19627, 19668, 19709, 19750, 19791, 19832, 19873, 19914, 19955, 19996, 20037, |
||
242 | 20078, 20119, 20160, 20202, 20243, 20284, 20325, 20367, 20408, 20450, 20491, 20532, 20574, 20615, 20657, |
||
243 | 20699, 20740, 20782, 20823, 20865, 20907, 20949, 20990, 21032, 21074, 21116, 21158, 21199, 21241, 21283, |
||
244 | 21325, 21367, 21409, 21451, 21493, 21536, 21578, 21620, 21662, 21704, 21746, 21789, 21831, 21873, 21916, |
||
245 | 21958, 22000, 22043, 22085, 22128, 22170, 22213, 22255, 22298, 22341, 22383, 22426, 22468, 22511, 22554, |
||
246 | 22597, 22639, 22682, 22725, 22768, 22811, 22854, 22897, 22940, 22983, 23026, 23069, 23112, 23155, 23198, |
||
247 | 23241, 23284, 23328, 23371, 23414, 23457, 23501, 23544, 23587, 23631, 23674, 23717, 23761, 23804, 23848, |
||
248 | 23891, 23935, 23978, 24022, 24066, 24109, 24153, 24197, 24240, 24284, 24328, 24372, 24415, 24459, 24503, |
||
249 | 24547, 24591, 24635, 24679, 24723, 24767, 24811, 24855, 24899, 24943, 24987, 25031, 25075, 25120, 25164, |
||
250 | 25208, 25252, 25297, 25341, 25385, 25430, 25474, 25518, 25563, 25607, 25652, 25696, 25741, 25785, 25830, |
||
251 | 25874, 25919, 25964, 26008, 26053, 26098, 26142, 26187, 26232, 26277, 26322, 26366, 26411, 26456, 26501, |
||
252 | 26546, 26591, 26636, 26681, 26726, 26771, 26816, 26861, 26906, 26951, 26997, 27042, 27087, 27132 }; |
||
253 | |||
254 | // ------------------------------------------------------------------------------------------- |
||
255 | |||
379 | daniel-mar | 256 | extern uint8_t slider[]; |
301 | daniel-mar | 257 | extern value_type cell[], var[]; |
500 | daniel-mar | 258 | extern unsigned char* image_ptr; |
259 | daniel-mar | 259 | |
294 | daniel-mar | 260 | // ------------------------------------------------------------------------------------------- |
261 | |||
500 | daniel-mar | 262 | void init_trigtab() { |
297 | daniel-mar | 263 | #ifdef PARSERTEST |
302 | daniel-mar | 264 | return; |
297 | daniel-mar | 265 | #else |
259 | daniel-mar | 266 | int i; |
500 | daniel-mar | 267 | |
268 | if (gdata == NULL) return; // should not happen |
||
269 | |||
270 | if (gdata->costab == NULL) { |
||
271 | gdata->costab = (double*)malloc(sizeof(double) * COSTABSIZE); |
||
272 | if (gdata->costab) { |
||
273 | for (i = 0; i < COSTABSIZE; ++i) { |
||
274 | gdata->costab[i] = cos(FFANGLE(i)); |
||
275 | } |
||
276 | } |
||
259 | daniel-mar | 277 | } |
500 | daniel-mar | 278 | |
279 | if (gdata->tantab == NULL) { |
||
280 | gdata->tantab = (double*)malloc(sizeof(double) * TANTABSIZE); |
||
281 | if (gdata->tantab) { |
||
282 | for (i = 0; i < TANTABSIZE; ++i) { |
||
283 | if (i >= TANTABSIZE / 2) { |
||
284 | /* the last '-1' in the expression '512-i-1' is for FilterFactory compatibility, and to avoid the undefined pi/2 area */ |
||
285 | gdata->tantab[i] = -gdata->tantab[TANTABSIZE - i - 1]; |
||
286 | } |
||
287 | else { |
||
288 | gdata->tantab[i] = tan(FFANGLE(i)); |
||
289 | } |
||
290 | } |
||
259 | daniel-mar | 291 | } |
292 | } |
||
297 | daniel-mar | 293 | #endif |
259 | daniel-mar | 294 | } |
295 | |||
294 | daniel-mar | 296 | // ------------------------------------------------------------------------------------------- |
297 | |||
259 | daniel-mar | 298 | /* Channel z for the input pixel at coordinates x,y. |
299 | * Coordinates are relative to the input image data (pb->inData) */ |
||
500 | daniel-mar | 300 | static value_type rawsrc(value_type x, value_type y, value_type z) { |
297 | daniel-mar | 301 | #ifdef PARSERTEST |
302 | return 0; |
||
303 | #else |
||
259 | daniel-mar | 304 | if (HAS_BIG_DOC(gpb)) { |
305 | if (x < BIGDOC_IN_RECT(gpb).left) |
||
306 | x = BIGDOC_IN_RECT(gpb).left; |
||
307 | else if (x >= BIGDOC_IN_RECT(gpb).right) |
||
308 | x = BIGDOC_IN_RECT(gpb).right - 1; |
||
309 | if (y < BIGDOC_IN_RECT(gpb).top) |
||
310 | y = BIGDOC_IN_RECT(gpb).top; |
||
311 | else if (y >= BIGDOC_IN_RECT(gpb).bottom) |
||
312 | y = BIGDOC_IN_RECT(gpb).bottom - 1; |
||
313 | return ((unsigned char*)gpb->inData)[(long)gpb->inRowBytes * (y - BIGDOC_IN_RECT(gpb).top) |
||
314 | + (long)nplanes * (x - BIGDOC_IN_RECT(gpb).left) + z]; |
||
315 | } else { |
||
316 | if (x < IN_RECT(gpb).left) |
||
317 | x = IN_RECT(gpb).left; |
||
318 | else if (x >= IN_RECT(gpb).right) |
||
319 | x = IN_RECT(gpb).right - 1; |
||
320 | if (y < IN_RECT(gpb).top) |
||
321 | y = IN_RECT(gpb).top; |
||
322 | else if (y >= IN_RECT(gpb).bottom) |
||
323 | y = IN_RECT(gpb).bottom - 1; |
||
324 | return ((unsigned char*)gpb->inData)[(long)gpb->inRowBytes * (y - IN_RECT(gpb).top) |
||
325 | + (long)nplanes * (x - IN_RECT(gpb).left) + z]; |
||
326 | } |
||
297 | daniel-mar | 327 | #endif |
259 | daniel-mar | 328 | } |
329 | |||
294 | daniel-mar | 330 | // ------------------------------------------------------------------------------------------- |
331 | |||
259 | daniel-mar | 332 | /* src(x,y,z) Channel z for the pixel at coordinates x,y. |
333 | * Coordinates are relative to filtered area (selection). */ |
||
294 | daniel-mar | 334 | |
500 | daniel-mar | 335 | value_type ff_src(value_type x, value_type y, value_type z) { |
297 | daniel-mar | 336 | #ifdef PARSERTEST |
259 | daniel-mar | 337 | return 0; |
297 | daniel-mar | 338 | #else |
502 | daniel-mar | 339 | if (z < 0 || z >= var['Z']) return 0; |
500 | daniel-mar | 340 | if (x < 0) |
259 | daniel-mar | 341 | x = 0; |
500 | daniel-mar | 342 | else if (x >= var['X']) |
343 | x = var['X'] - 1; |
||
344 | if (y < 0) |
||
259 | daniel-mar | 345 | y = 0; |
500 | daniel-mar | 346 | else if (y >= var['Y']) |
347 | y = var['Y'] - 1; |
||
502 | daniel-mar | 348 | return image_ptr[(long)gpb->inRowBytes * y + (long)nplanes * x + z]; |
297 | daniel-mar | 349 | #endif |
259 | daniel-mar | 350 | } |
351 | |||
294 | daniel-mar | 352 | // ------------------------------------------------------------------------------------------- |
353 | |||
295 | daniel-mar | 354 | /* r2x(d,m) x displacement of the pixel m units away, at an angle of d, |
355 | from an arbitrary center */ |
||
356 | |||
357 | value_type factory_r2x(value_type d, value_type m) { |
||
358 | // https://misc.daniel-marschall.de/projects/filter_factory/function_r2x.html |
||
297 | daniel-mar | 359 | #ifdef PARSERTEST |
360 | return 0; |
||
361 | #else |
||
295 | daniel-mar | 362 | int eax = m; |
363 | int ebx = d; |
||
364 | ebx &= 1023; |
||
365 | ebx = FACTORY_COS_LOOKUP[ebx]; |
||
366 | return (((int64_t)eax * (int64_t)ebx) + 8191) >> 14; |
||
297 | daniel-mar | 367 | #endif |
295 | daniel-mar | 368 | } |
369 | |||
370 | value_type foundry_r2x(value_type d, value_type m) { |
||
297 | daniel-mar | 371 | #ifdef PARSERTEST |
372 | return 0; |
||
373 | #else |
||
500 | daniel-mar | 374 | return (value_type)RINT(m * gdata->costab[abs(d) % COSTABSIZE]); |
297 | daniel-mar | 375 | #endif |
295 | daniel-mar | 376 | } |
377 | |||
378 | value_type ff_r2x(value_type d, value_type m) { |
||
297 | daniel-mar | 379 | #ifdef use_filterfactory_implementation_r2x |
295 | daniel-mar | 380 | return factory_r2x(d, m); |
297 | daniel-mar | 381 | #else |
295 | daniel-mar | 382 | return foundry_r2x(d, m); |
297 | daniel-mar | 383 | #endif |
295 | daniel-mar | 384 | } |
385 | |||
386 | // ------------------------------------------------------------------------------------------- |
||
387 | |||
388 | /* r2y(d,m) y displacement of the pixel m units away, at an angle of d, |
||
389 | from an arbitrary center */ |
||
390 | |||
391 | value_type factory_r2y(value_type d, value_type m) { |
||
297 | daniel-mar | 392 | #ifdef PARSERTEST |
393 | return 0; |
||
394 | #else |
||
295 | daniel-mar | 395 | // https://misc.daniel-marschall.de/projects/filter_factory/function_r2y.html |
396 | return factory_r2x(d - 256, m); |
||
297 | daniel-mar | 397 | #endif |
295 | daniel-mar | 398 | } |
399 | |||
400 | value_type foundry_r2y(value_type d, value_type m) { |
||
297 | daniel-mar | 401 | #ifdef PARSERTEST |
402 | return 0; |
||
403 | #else |
||
500 | daniel-mar | 404 | return (value_type)RINT(m * gdata->costab[abs(d - 256) % COSTABSIZE]); |
297 | daniel-mar | 405 | #endif |
295 | daniel-mar | 406 | } |
407 | |||
408 | value_type ff_r2y(value_type d, value_type m) { |
||
297 | daniel-mar | 409 | #ifdef use_filterfactory_implementation_r2y |
295 | daniel-mar | 410 | return factory_r2y(d, m); |
297 | daniel-mar | 411 | #else |
295 | daniel-mar | 412 | return foundry_r2y(d, m); |
297 | daniel-mar | 413 | #endif |
295 | daniel-mar | 414 | } |
415 | |||
416 | // ------------------------------------------------------------------------------------------- |
||
417 | |||
259 | daniel-mar | 418 | /* rad(d,m,z) Channel z in the source image, which is m units away, |
419 | at an angle of d, from the center of the image */ |
||
294 | daniel-mar | 420 | |
421 | value_type factory_rad(value_type d, value_type m, value_type z) { |
||
297 | daniel-mar | 422 | #ifdef PARSERTEST |
423 | return 0; |
||
424 | #else |
||
294 | daniel-mar | 425 | // https://misc.daniel-marschall.de/projects/filter_factory/function_rad.html |
426 | |||
427 | const int xmin = 0; |
||
428 | const int ymin = 0; |
||
429 | const int zmin = 0; |
||
430 | |||
431 | int eax, ebx, ecx; |
||
432 | |||
433 | ebx = FACTORY_COS_LOOKUP[d & 1023]; |
||
434 | eax = (((int64_t)m * (int64_t)ebx) + 8191) >> 14; |
||
435 | ecx = ((var['X'] - xmin) >> 1) + eax; |
||
436 | if (ecx < 0) { |
||
437 | ecx = 0; |
||
438 | } |
||
439 | else { |
||
440 | eax = var['X']; |
||
441 | if (ecx >= eax) { |
||
442 | ecx = eax - 1; |
||
443 | } |
||
444 | } |
||
445 | |||
446 | ebx = FACTORY_COS_LOOKUP[(d - 256) & 1023]; |
||
447 | eax = (((int64_t)m * (int64_t)ebx) + 8191) >> 14; |
||
448 | ebx = ((var['Y'] - ymin) >> 1) + eax; |
||
449 | if (ebx < 0) { |
||
450 | ebx = 0; |
||
451 | } |
||
452 | else { |
||
453 | eax = var['Y']; |
||
454 | if (ebx >= eax) { |
||
455 | ebx = eax - 1; |
||
456 | } |
||
457 | } |
||
458 | |||
459 | // Now return pixel [x=ecx,y=ebx,z=esi] from the source image! |
||
460 | //return ff_src(ecx, ebx, z); |
||
461 | ebx *= gpb->inRowBytes; |
||
462 | ecx *= var['Z'] - zmin; |
||
500 | daniel-mar | 463 | return image_ptr[z + ebx + ecx]; |
297 | daniel-mar | 464 | #endif |
294 | daniel-mar | 465 | } |
466 | |||
467 | value_type foundry_rad(value_type d, value_type m, value_type z) { |
||
297 | daniel-mar | 468 | #ifdef PARSERTEST |
469 | return 0; |
||
470 | #else |
||
294 | daniel-mar | 471 | return ff_src(foundry_r2x(d, m) + var['X'] / 2, foundry_r2y(d, m) + var['Y'] / 2, z); |
297 | daniel-mar | 472 | #endif |
294 | daniel-mar | 473 | } |
474 | |||
500 | daniel-mar | 475 | value_type ff_rad(value_type d, value_type m, value_type z) { |
297 | daniel-mar | 476 | #ifdef use_filterfactory_implementation_rad |
294 | daniel-mar | 477 | return factory_rad(d, m, z); |
297 | daniel-mar | 478 | #else |
294 | daniel-mar | 479 | return foundry_rad(d, m, z); |
297 | daniel-mar | 480 | #endif |
259 | daniel-mar | 481 | } |
482 | |||
294 | daniel-mar | 483 | // ------------------------------------------------------------------------------------------- |
484 | |||
259 | daniel-mar | 485 | /* ctl(i) Value of slider i, where i is an integer between 0 and 7, inclusive */ |
500 | daniel-mar | 486 | value_type ff_ctl(value_type i) { |
297 | daniel-mar | 487 | #ifdef PARSERTEST |
488 | return 0; |
||
489 | #else |
||
500 | daniel-mar | 490 | return i >= 0 && i <= 7 ? slider[i] : 0; |
297 | daniel-mar | 491 | #endif |
259 | daniel-mar | 492 | } |
493 | |||
294 | daniel-mar | 494 | // ------------------------------------------------------------------------------------------- |
495 | |||
259 | daniel-mar | 496 | /* val(i,a,b) Value of slider i, mapped onto the range a to b */ |
502 | daniel-mar | 497 | |
498 | value_type val_factory(value_type i, value_type a, value_type b) { |
||
297 | daniel-mar | 499 | #ifdef PARSERTEST |
500 | return 0; |
||
501 | #else |
||
502 | daniel-mar | 502 | if (i < 0 || i > 7) return 0; |
503 | return ((long)slider[i] * (b - a)) / 255 + a; |
||
504 | #endif |
||
505 | } |
||
506 | |||
507 | value_type val_foundry(value_type i, value_type a, value_type b) { |
||
508 | #ifdef PARSERTEST |
||
509 | return 0; |
||
510 | #else |
||
500 | daniel-mar | 511 | return ((long)ff_ctl(i) * (b - a)) / 255 + a; |
297 | daniel-mar | 512 | #endif |
259 | daniel-mar | 513 | } |
514 | |||
502 | daniel-mar | 515 | value_type ff_val(value_type i, value_type a, value_type b) { |
516 | // The only difference is the handling of invalid values of "i" |
||
517 | #ifdef use_filterfactory_implementation_val |
||
518 | return val_factory(i, a, b); |
||
519 | #else |
||
520 | return val_foundry(i, a, b); |
||
521 | #endif |
||
522 | } |
||
523 | |||
294 | daniel-mar | 524 | // ------------------------------------------------------------------------------------------- |
525 | |||
259 | daniel-mar | 526 | /* map(i,n) Item n from mapping table i, where i is an integer between |
527 | |||
528 | inclusive */ |
||
500 | daniel-mar | 529 | value_type ff_map(value_type i, value_type n) { |
297 | daniel-mar | 530 | #ifdef PARSERTEST |
531 | return 0; |
||
532 | #else |
||
500 | daniel-mar | 533 | value_type H, L; |
534 | const int i2 = i << 1; |
||
535 | |||
536 | // This is how Filter Factory for Windows implements it: |
||
537 | if (i < 0) return 0; |
||
538 | if (i > 3) return 0; |
||
539 | H = slider[i2]; // ctl(2i) |
||
540 | L = slider[i2 + 1]; // ctl(2i+1) |
||
541 | if (n < 0) n = 0; |
||
542 | if (n > 255) n = 255; // Note: MacFF probably does "return 255" if n>255 (see testcases/map1_factory_win.png) |
||
543 | |||
544 | if (H == L) { |
||
545 | // This is undocumented in Filter Factory! (Taken from Windows implementation) |
||
546 | if (n < H) return 0; |
||
547 | if (n >= L) return 255; |
||
548 | } else if (L > H) { |
||
549 | // This is undocumented in Filter Factory! (Taken from Windows implementation) |
||
550 | if (n <= H) return 255; |
||
551 | if (n >= L) return 0; |
||
552 | } else { |
||
553 | if (n <= L) return 0; |
||
554 | if (n >= H) return 255; |
||
555 | } |
||
556 | return (n - L) * 255 / (H - L); |
||
557 | |||
558 | // This is the original formula used by GIMP User Filter v0.8 (uf-pcode.h). |
||
559 | // It was used in Filter Foundry till version 1.7.0.16, inclusive. |
||
297 | daniel-mar | 560 | /* |
500 | daniel-mar | 561 | value_type H = ff_ctl(i * 2); |
562 | value_type L = ff_ctl(i * 2 + 1); |
||
563 | return abs(((long)n * (L - H) / 255) + H); |
||
489 | daniel-mar | 564 | */ |
297 | daniel-mar | 565 | #endif |
500 | daniel-mar | 566 | |
259 | daniel-mar | 567 | } |
568 | |||
294 | daniel-mar | 569 | // ------------------------------------------------------------------------------------------- |
570 | |||
259 | daniel-mar | 571 | /* min(a,b) Lesser of a and b */ |
500 | daniel-mar | 572 | value_type ff_min(value_type a, value_type b) { |
297 | daniel-mar | 573 | #ifdef PARSERTEST |
574 | return 0; |
||
575 | #else |
||
259 | daniel-mar | 576 | return a < b ? a : b; |
297 | daniel-mar | 577 | #endif |
259 | daniel-mar | 578 | } |
579 | |||
294 | daniel-mar | 580 | // ------------------------------------------------------------------------------------------- |
581 | |||
259 | daniel-mar | 582 | /* max(a,b) Greater of a and b */ |
500 | daniel-mar | 583 | value_type ff_max(value_type a, value_type b) { |
297 | daniel-mar | 584 | #ifdef PARSERTEST |
585 | return 0; |
||
586 | #else |
||
259 | daniel-mar | 587 | return a > b ? a : b; |
297 | daniel-mar | 588 | #endif |
259 | daniel-mar | 589 | } |
590 | |||
294 | daniel-mar | 591 | // ------------------------------------------------------------------------------------------- |
592 | |||
259 | daniel-mar | 593 | /* abs(a) Absolute value of a */ |
500 | daniel-mar | 594 | value_type ff_abs(value_type a) { |
297 | daniel-mar | 595 | #ifdef PARSERTEST |
596 | return 0; |
||
597 | #else |
||
259 | daniel-mar | 598 | return abs(a); |
297 | daniel-mar | 599 | #endif |
259 | daniel-mar | 600 | } |
601 | |||
294 | daniel-mar | 602 | // ------------------------------------------------------------------------------------------- |
603 | |||
259 | daniel-mar | 604 | /* add(a,b,c) Sum of a and b, or c, whichever is lesser */ |
500 | daniel-mar | 605 | value_type ff_add(value_type a, value_type b, value_type c) { |
297 | daniel-mar | 606 | #ifdef PARSERTEST |
607 | return 0; |
||
608 | #else |
||
500 | daniel-mar | 609 | return ff_min(a + b, c); |
297 | daniel-mar | 610 | #endif |
259 | daniel-mar | 611 | } |
612 | |||
294 | daniel-mar | 613 | // ------------------------------------------------------------------------------------------- |
614 | |||
259 | daniel-mar | 615 | /* sub(a,b,c) Difference of a and b, or c, whichever is greater */ |
500 | daniel-mar | 616 | value_type ff_sub(value_type a, value_type b, value_type c) { |
297 | daniel-mar | 617 | #ifdef PARSERTEST |
618 | return 0; |
||
619 | #else |
||
500 | daniel-mar | 620 | return ff_max(ff_dif(a, b), c); |
297 | daniel-mar | 621 | #endif |
259 | daniel-mar | 622 | } |
623 | |||
294 | daniel-mar | 624 | // ------------------------------------------------------------------------------------------- |
625 | |||
259 | daniel-mar | 626 | /* dif(a,b) Absolute value of the difference of a and b */ |
500 | daniel-mar | 627 | value_type ff_dif(value_type a, value_type b) { |
297 | daniel-mar | 628 | #ifdef PARSERTEST |
629 | return 0; |
||
630 | #else |
||
500 | daniel-mar | 631 | return abs(a - b); |
297 | daniel-mar | 632 | #endif |
259 | daniel-mar | 633 | } |
634 | |||
294 | daniel-mar | 635 | // ------------------------------------------------------------------------------------------- |
636 | |||
637 | /* rnd(a,b) Random number between a and b, inclusive */ |
||
638 | |||
290 | daniel-mar | 639 | struct factoryRngState { |
291 | daniel-mar | 640 | uint16_t index1; |
641 | uint16_t index2; |
||
642 | uint32_t seedTable[56]; |
||
643 | uint32_t seed; |
||
644 | uint32_t seedSave; |
||
645 | } gFactoryRngState; |
||
286 | daniel-mar | 646 | |
290 | daniel-mar | 647 | void factory_fill_rnd_lookup(uint32_t seed, struct factoryRngState* state) { |
297 | daniel-mar | 648 | #ifdef PARSERTEST |
302 | daniel-mar | 649 | return; |
297 | daniel-mar | 650 | #else |
290 | daniel-mar | 651 | // Algorithm of Filter Factory |
652 | // Filter Factory uses Donald E.Knuth's subtractive |
||
653 | // random number generator algorithm ("ran3"), which has been published |
||
654 | // in Page 283 of "The Art of Computer Programming, volume 2: Seminumerical Algorithms", |
||
655 | // Addison-Wesley, Reading, MA, second edition, 1981. |
||
656 | // https://www.cec.uchile.cl/cinetica/pcordero/MC_libros/NumericalRecipesinC.pdf (PDF Page 307) |
||
286 | daniel-mar | 657 | |
290 | daniel-mar | 658 | long mj, mk; |
659 | int i, ii, k; |
||
660 | |||
661 | // 161803398 = 1.61803398 * 10^8 ~= phi * 10^8 |
||
662 | mj = 161803398 - (seed & 0x7fff); |
||
291 | daniel-mar | 663 | state->seedTable[55] = mj; |
290 | daniel-mar | 664 | |
665 | mk = 1; |
||
666 | ii = 0; |
||
500 | daniel-mar | 667 | for (i = 1; i <= 54; ++i) { |
290 | daniel-mar | 668 | if ((ii += 21) >= 55) ii -= 55; // ii = (21*i)%55; |
291 | daniel-mar | 669 | state->seedTable[ii] = mk; |
290 | daniel-mar | 670 | mk = mj - mk; |
291 | daniel-mar | 671 | mj = state->seedTable[ii]; |
290 | daniel-mar | 672 | } |
673 | |||
500 | daniel-mar | 674 | for (k = 1; k <= 4; ++k) { |
290 | daniel-mar | 675 | ii = 30; |
500 | daniel-mar | 676 | for (i = 1; i <= 55; ++i) { |
290 | daniel-mar | 677 | if ((ii += 1) >= 55) ii -= 55; |
291 | daniel-mar | 678 | state->seedTable[i] -= state->seedTable[1 + ii]; // 1 + (i+30)%55 |
290 | daniel-mar | 679 | } |
680 | } |
||
681 | |||
291 | daniel-mar | 682 | state->seedSave = seed; |
290 | daniel-mar | 683 | |
684 | return; |
||
297 | daniel-mar | 685 | #endif |
290 | daniel-mar | 686 | } |
687 | |||
688 | uint32_t factory_rnd(uint32_t a, uint32_t b, struct factoryRngState* state) { |
||
297 | daniel-mar | 689 | #ifdef PARSERTEST |
690 | return 0; |
||
691 | #else |
||
289 | daniel-mar | 692 | uint32_t mj; // Note: This must be "uint32_t". With "long" (as described by Knuth), it won't match FilterFactory's algorithm |
693 | int range; |
||
286 | daniel-mar | 694 | |
291 | daniel-mar | 695 | if (state->seed != state->seedSave) { |
288 | daniel-mar | 696 | // (Intentional) behavior of Filter Foundry |
291 | daniel-mar | 697 | factory_fill_rnd_lookup(state->seed, &gFactoryRngState); |
698 | state->index1 = 0; |
||
699 | state->index2 = 31; |
||
288 | daniel-mar | 700 | } |
701 | |||
702 | // Algorithm of Filter Factory |
||
289 | daniel-mar | 703 | // Filter Factory uses Donald E.Knuth's subtractive |
704 | // random number generator algorithm ("ran3"), which has been published |
||
705 | // in Page 283 of "The Art of Computer Programming, volume 2: Seminumerical Algorithms", |
||
706 | // Addison-Wesley, Reading, MA, second edition, 1981. |
||
707 | // https://www.cec.uchile.cl/cinetica/pcordero/MC_libros/NumericalRecipesinC.pdf (PDF Page 307) |
||
288 | daniel-mar | 708 | |
291 | daniel-mar | 709 | if (++state->index1 == 56) state->index1 = 1; |
710 | if (++state->index2 == 56) state->index2 = 1; |
||
286 | daniel-mar | 711 | |
291 | daniel-mar | 712 | mj = state->seedTable[state->index1] - |
713 | state->seedTable[state->index2]; |
||
714 | state->seedTable[state->index1] = mj; |
||
286 | daniel-mar | 715 | |
289 | daniel-mar | 716 | // This is Filter Factory specific: |
290 | daniel-mar | 717 | // Reduce result into interval [a..b] by applying (a + (mj % (b - a + 1)) |
718 | // Try to avoid modulo in order to increase performance |
||
719 | range = b - a; |
||
720 | if (range < 0) return 0; |
||
721 | switch (range) { |
||
500 | daniel-mar | 722 | case 255: |
723 | return a + (mj & 0xFF); |
||
724 | case 127: |
||
725 | return a + (mj & 0x7F); |
||
726 | case 63: |
||
727 | return a + (mj & 0x3F); |
||
728 | case 31: |
||
729 | return a + (mj & 0x1F); |
||
730 | case 15: |
||
731 | return a + (mj & 0xF); |
||
732 | case 7: |
||
733 | return a + (mj & 0x7); |
||
734 | case 3: |
||
735 | return a + (mj & 0x3); |
||
736 | case 1: |
||
737 | return a + (mj & 0x1); |
||
738 | case 0: |
||
739 | return a; |
||
740 | default: |
||
741 | return a + (mj % (range + 1)); |
||
289 | daniel-mar | 742 | } |
297 | daniel-mar | 743 | #endif |
286 | daniel-mar | 744 | } |
745 | |||
294 | daniel-mar | 746 | value_type foundry_rnd(value_type a, value_type b) { |
297 | daniel-mar | 747 | #ifdef PARSERTEST |
748 | return 0; |
||
749 | #else |
||
500 | daniel-mar | 750 | return (int)((abs(a - b) + 1) * (rand() / (RAND_MAX + 1.))) + ff_min(a, b); |
294 | daniel-mar | 751 | // return ((unsigned)rand() % (ff_dif(a,b)+1)) + ff_min(a,b); |
297 | daniel-mar | 752 | #endif |
294 | daniel-mar | 753 | } |
754 | |||
500 | daniel-mar | 755 | value_type ff_rnd(value_type a, value_type b) { |
297 | daniel-mar | 756 | #ifdef use_filterfactory_implementation_rnd |
294 | daniel-mar | 757 | return factory_rnd(a, b, &gFactoryRngState); |
297 | daniel-mar | 758 | #else |
294 | daniel-mar | 759 | return foundry_rnd(a, b); |
297 | daniel-mar | 760 | #endif |
294 | daniel-mar | 761 | } |
762 | |||
763 | // ------------------------------------------------------------------------------------------- |
||
764 | |||
765 | /* rst(i) sets a random seed and returns 0. (undocumented Filter Factory function). |
||
766 | Added by DM, 18 Dec 2018 */ |
||
767 | |||
290 | daniel-mar | 768 | int32_t factory_rst(uint32_t seed, struct factoryRngState* state) { |
297 | daniel-mar | 769 | #ifdef PARSERTEST |
770 | return 0; |
||
771 | #else |
||
294 | daniel-mar | 772 | // Attention: This is NOT the FilterFactory rst() implementation! |
773 | |||
290 | daniel-mar | 774 | // We implement rst(i) completely differently in Filter Foundry: |
775 | // Every call of rst() will renew the lookup table. |
||
776 | // In Filter Factory, there are strange/buggy things going |
||
777 | // on: rst(i) only sets a seed and the lookup table is renewed |
||
778 | // at the NEXT invocation of the filter. Furthermore, in FilterFactory, |
||
779 | // the state is not reset between invocations, therefore, the preview image |
||
780 | // will influence the PRNG state of the final image... |
||
781 | // More information at "Filter Factory Compatibility.md" |
||
286 | daniel-mar | 782 | |
291 | daniel-mar | 783 | state->seed = seed; |
286 | daniel-mar | 784 | |
290 | daniel-mar | 785 | // Force renewal of the PRNG state in the next rnd(a,b) call. |
786 | // This allows us to use: |
||
787 | // (x==0?rst(1):0), rnd(0,255) |
||
788 | // But it is slower and this won't work anymore: |
||
789 | // rst(0), rnd(0,255) |
||
294 | daniel-mar | 790 | state->seedSave = seed + 1; |
286 | daniel-mar | 791 | |
287 | daniel-mar | 792 | return 0; |
297 | daniel-mar | 793 | #endif |
286 | daniel-mar | 794 | } |
795 | |||
294 | daniel-mar | 796 | value_type foundry_rst(value_type seed) { |
297 | daniel-mar | 797 | #ifdef PARSERTEST |
798 | return 0; |
||
799 | #else |
||
294 | daniel-mar | 800 | srand(seed); |
801 | return 0; |
||
297 | daniel-mar | 802 | #endif |
287 | daniel-mar | 803 | } |
804 | |||
294 | daniel-mar | 805 | value_type ff_rst(value_type seed) { |
297 | daniel-mar | 806 | #ifdef use_filterfactory_implementation_rnd |
294 | daniel-mar | 807 | return factory_rst(seed, &gFactoryRngState); |
297 | daniel-mar | 808 | #else |
294 | daniel-mar | 809 | return foundry_rst(seed); |
297 | daniel-mar | 810 | #endif |
259 | daniel-mar | 811 | } |
812 | |||
294 | daniel-mar | 813 | // ------------------------------------------------------------------------------------------- |
814 | |||
298 | daniel-mar | 815 | void factory_initialize_rnd_variables() { |
816 | #ifdef PARSERTEST |
||
302 | daniel-mar | 817 | return; |
298 | daniel-mar | 818 | #else |
819 | gFactoryRngState.seed = 0; // default seed |
||
820 | gFactoryRngState.seedSave = gFactoryRngState.seed + 1; // force rnd() to call factory_fill_rnd_lookup() |
||
821 | #endif |
||
822 | } |
||
823 | |||
824 | void foundry_initialize_rnd_variables() { |
||
825 | #ifdef PARSERTEST |
||
302 | daniel-mar | 826 | return; |
298 | daniel-mar | 827 | #else |
828 | foundry_rst(691204); |
||
829 | #endif |
||
830 | } |
||
831 | |||
832 | void initialize_rnd_variables() { |
||
833 | #ifdef use_filterfactory_implementation_rnd |
||
834 | factory_initialize_rnd_variables(); |
||
835 | #else |
||
836 | foundry_initialize_rnd_variables(); |
||
837 | #endif |
||
838 | } |
||
839 | |||
840 | // ------------------------------------------------------------------------------------------- |
||
841 | |||
259 | daniel-mar | 842 | /* mix(a,b,n,d) Mixture of a and b by fraction n/d, a*n/d+b*(d-n)/d */ |
500 | daniel-mar | 843 | value_type ff_mix(value_type a, value_type b, value_type n, value_type d) { |
297 | daniel-mar | 844 | #ifdef PARSERTEST |
845 | return 0; |
||
846 | #else |
||
502 | daniel-mar | 847 | if (d == 0) return 0; |
848 | return ((long)a * n) / d + ((long)b * (d - n)) / d; |
||
297 | daniel-mar | 849 | #endif |
259 | daniel-mar | 850 | } |
851 | |||
294 | daniel-mar | 852 | // ------------------------------------------------------------------------------------------- |
853 | |||
259 | daniel-mar | 854 | /* scl(a,il,ih,ol,oh) Scale a from input range (il to ih) |
500 | daniel-mar | 855 | to output range (ol to oh) */ |
300 | daniel-mar | 856 | value_type ff_scl(value_type a, value_type il, value_type ih, |
857 | value_type ol, value_type oh) { |
||
297 | daniel-mar | 858 | #ifdef PARSERTEST |
859 | return 0; |
||
860 | #else |
||
300 | daniel-mar | 861 | return ih == il ? 0 : ol + ((long)(oh - ol) * (a - il)) / (ih - il); |
297 | daniel-mar | 862 | #endif |
259 | daniel-mar | 863 | } |
864 | |||
294 | daniel-mar | 865 | // ------------------------------------------------------------------------------------------- |
866 | |||
300 | daniel-mar | 867 | /* pow(b,e) Calculates the base to the exponent power, that is, b^e. */ |
868 | |||
869 | value_type ff_pow(value_type b, value_type e) { |
||
870 | #ifdef PARSERTEST |
||
871 | return 0; |
||
872 | #else |
||
301 | daniel-mar | 873 | double a = pow((double)b, (double)e); |
874 | if (a - floor(a) >= 0.5) |
||
875 | return (value_type)(floor(a) + 1); |
||
876 | else |
||
877 | return (value_type)(floor(a)); |
||
300 | daniel-mar | 878 | #endif |
879 | } |
||
880 | |||
881 | // ------------------------------------------------------------------------------------------- |
||
882 | |||
294 | daniel-mar | 883 | /* sqr(x) Square root of x */ |
884 | |||
259 | daniel-mar | 885 | static uint32_t isqrt(uint32_t x) { |
297 | daniel-mar | 886 | #ifdef PARSERTEST |
887 | return 0; |
||
888 | #else |
||
259 | daniel-mar | 889 | // based on https://gist.github.com/orlp/3481770 |
890 | |||
891 | static uint32_t lkpSquares[65535]; |
||
892 | static int lkpInitialized = 0; |
||
500 | daniel-mar | 893 | const uint32_t* p; |
259 | daniel-mar | 894 | int i; |
895 | |||
896 | while (lkpInitialized == 1) { /* If other thread is currently creating the lookup table, then wait */ } |
||
897 | if (!lkpInitialized) { |
||
898 | lkpInitialized = 1; |
||
899 | for (i = 0; i < 65535; ++i) { |
||
900 | lkpSquares[i] = i * i; |
||
901 | } |
||
902 | lkpInitialized = 2; |
||
903 | } |
||
904 | |||
905 | p = lkpSquares; |
||
906 | |||
907 | if (p[32768] <= x) p += 32768; |
||
908 | if (p[16384] <= x) p += 16384; |
||
909 | if (p[8192] <= x) p += 8192; |
||
910 | if (p[4096] <= x) p += 4096; |
||
911 | if (p[2048] <= x) p += 2048; |
||
912 | if (p[1024] <= x) p += 1024; |
||
913 | if (p[512] <= x) p += 512; |
||
914 | if (p[256] <= x) p += 256; |
||
915 | if (p[128] <= x) p += 128; |
||
916 | if (p[64] <= x) p += 64; |
||
917 | if (p[32] <= x) p += 32; |
||
918 | if (p[16] <= x) p += 16; |
||
919 | if (p[8] <= x) p += 8; |
||
920 | if (p[4] <= x) p += 4; |
||
921 | if (p[2] <= x) p += 2; |
||
922 | if (p[1] <= x) p += 1; |
||
923 | |||
924 | return (uint32_t)(p - lkpSquares); |
||
297 | daniel-mar | 925 | #endif |
259 | daniel-mar | 926 | } |
927 | |||
294 | daniel-mar | 928 | value_type factory_sqr(value_type x) { |
297 | daniel-mar | 929 | #ifdef PARSERTEST |
930 | return 0; |
||
931 | #else |
||
294 | daniel-mar | 932 | // https://misc.daniel-marschall.de/projects/filter_factory/function_sqr.html |
933 | |||
295 | daniel-mar | 934 | int eax, ebx, ecx; |
935 | |||
936 | ebx = x; |
||
294 | daniel-mar | 937 | if (ebx > 1) { |
295 | daniel-mar | 938 | ecx = ebx; |
294 | daniel-mar | 939 | ebx = ebx >> 1; |
295 | daniel-mar | 940 | eax = 2; |
294 | daniel-mar | 941 | while (ebx > eax) { |
942 | eax = ecx; |
||
943 | eax /= ebx; |
||
944 | ebx += eax; |
||
945 | ebx = ebx >> 1; |
||
946 | } |
||
947 | } |
||
948 | return ebx; |
||
297 | daniel-mar | 949 | #endif |
294 | daniel-mar | 950 | } |
951 | |||
952 | value_type foundry_sqr(value_type x) { |
||
297 | daniel-mar | 953 | #ifdef PARSERTEST |
954 | return 0; |
||
955 | #else |
||
294 | daniel-mar | 956 | // Note: FilterFactory has sqr(x)=x if x<0 . Here we set sqr(x)=0 for x<0 |
259 | daniel-mar | 957 | return x < 0 ? 0 : isqrt(x); |
297 | daniel-mar | 958 | #endif |
259 | daniel-mar | 959 | } |
960 | |||
500 | daniel-mar | 961 | value_type ff_sqr(value_type x) { |
297 | daniel-mar | 962 | #ifdef use_filterfactory_implementation_sqr |
294 | daniel-mar | 963 | return factory_sqr(x); |
297 | daniel-mar | 964 | #else |
294 | daniel-mar | 965 | return foundry_sqr(x); |
297 | daniel-mar | 966 | #endif |
294 | daniel-mar | 967 | } |
968 | |||
969 | // ------------------------------------------------------------------------------------------- |
||
970 | |||
971 | /* cos(x) Cosine function of x, where x is an integer between 0 and |
||
259 | daniel-mar | 972 | 1024, inclusive, and the value returned is an integer |
973 | between -512 and 512, inclusive (Windows) or -1024 and |
||
974 | 1024, inclusive (Mac OS) */ |
||
294 | daniel-mar | 975 | |
976 | value_type factory_cos(value_type x) { |
||
297 | daniel-mar | 977 | #ifdef PARSERTEST |
978 | return 0; |
||
979 | #else |
||
294 | daniel-mar | 980 | // https://misc.daniel-marschall.de/projects/filter_factory/function_cos.html |
981 | int res; |
||
982 | if (x < 0) x = -x; |
||
983 | x &= 0x3ff; // 1023 |
||
984 | res = FACTORY_COS_LOOKUP[x]; |
||
985 | return res >= 0 ? (res / 32) : res / 32 - 1; |
||
297 | daniel-mar | 986 | #endif |
259 | daniel-mar | 987 | } |
988 | |||
294 | daniel-mar | 989 | value_type foundry_cos(value_type x) { |
297 | daniel-mar | 990 | #ifdef PARSERTEST |
991 | return 0; |
||
992 | #else |
||
294 | daniel-mar | 993 | //return RINT(TRIGAMP*cos(FFANGLE(x))); |
500 | daniel-mar | 994 | return (value_type)RINT(TRIGAMP * gdata->costab[abs(x) % COSTABSIZE]); |
297 | daniel-mar | 995 | #endif |
294 | daniel-mar | 996 | } |
997 | |||
500 | daniel-mar | 998 | value_type ff_cos(value_type x) { |
297 | daniel-mar | 999 | #ifdef use_filterfactory_implementation_cos |
294 | daniel-mar | 1000 | return factory_cos(x); |
297 | daniel-mar | 1001 | #else |
294 | daniel-mar | 1002 | return foundry_cos(x); |
297 | daniel-mar | 1003 | #endif |
294 | daniel-mar | 1004 | } |
1005 | |||
1006 | // ------------------------------------------------------------------------------------------- |
||
1007 | |||
1008 | /* sin(x) Sine function of x, where x is an integer between 0 and |
||
259 | daniel-mar | 1009 | 1024, inclusive, and the value returned is an integer |
1010 | between -512 and 512, inclusive (Windows) or -1024 and |
||
1011 | 1024, inclusive (Mac OS) */ |
||
294 | daniel-mar | 1012 | |
1013 | value_type factory_sin(value_type x) { |
||
297 | daniel-mar | 1014 | #ifdef PARSERTEST |
1015 | return 0; |
||
1016 | #else |
||
294 | daniel-mar | 1017 | // https://misc.daniel-marschall.de/projects/filter_factory/function_sin.html |
1018 | return factory_cos(x - 256); |
||
297 | daniel-mar | 1019 | #endif |
259 | daniel-mar | 1020 | } |
1021 | |||
294 | daniel-mar | 1022 | value_type foundry_sin(value_type x) { |
297 | daniel-mar | 1023 | #ifdef PARSERTEST |
1024 | return 0; |
||
1025 | #else |
||
294 | daniel-mar | 1026 | //return RINT(TRIGAMP*sin(FFANGLE(x))); |
1027 | return foundry_cos(x - 256); |
||
297 | daniel-mar | 1028 | #endif |
294 | daniel-mar | 1029 | } |
1030 | |||
1031 | value_type ff_sin(value_type x) { |
||
297 | daniel-mar | 1032 | #ifdef use_filterfactory_implementation_sin |
294 | daniel-mar | 1033 | return factory_sin(x); |
297 | daniel-mar | 1034 | #else |
294 | daniel-mar | 1035 | return foundry_sin(x); |
297 | daniel-mar | 1036 | #endif |
294 | daniel-mar | 1037 | } |
1038 | |||
1039 | // ------------------------------------------------------------------------------------------- |
||
1040 | |||
259 | daniel-mar | 1041 | /* tan(x) Tangent function of x, where x is an integer |
1042 | between -256 and 256, inclusive. Althought the Filter Factory manual |
||
1043 | stated that the return value is bounded to -512 and 512, inclusive (Windows) or |
||
1044 | -1024 and 1024, inclusive (Mac OS), the output is actually NOT bounded! */ |
||
294 | daniel-mar | 1045 | |
1046 | value_type factory_tan(value_type x) { |
||
297 | daniel-mar | 1047 | #ifdef PARSERTEST |
1048 | return 0; |
||
1049 | #else |
||
294 | daniel-mar | 1050 | // https://misc.daniel-marschall.de/projects/filter_factory/function_tan.html |
1051 | int v1 = x; |
||
1052 | int v2 = v1 < 0 ? -v1 : v1; |
||
1053 | v2 &= 0x3ff; // 1023 |
||
1054 | v2 = FACTORY_COS_LOOKUP[v2]; |
||
1055 | v1 -= 256; |
||
1056 | if (v1 < 0) v1 = -v1; |
||
1057 | v1 &= 0x3ff; // 1023 |
||
1058 | v1 = FACTORY_COS_LOOKUP[v1]; |
||
1059 | if (v2 == 0) return 0; |
||
1060 | v1 = v1 << 10; // v1 *= 1024; |
||
1061 | return v1 / v2; |
||
297 | daniel-mar | 1062 | #endif |
294 | daniel-mar | 1063 | } |
1064 | |||
500 | daniel-mar | 1065 | value_type foundry_tan(value_type x) { |
297 | daniel-mar | 1066 | #ifdef PARSERTEST |
1067 | return 0; |
||
1068 | #else |
||
259 | daniel-mar | 1069 | // Following filter shows that the Filter Factory manual differs from the implementation. |
291 | daniel-mar | 1070 | // R = cos(x) > 1024 || cos(x) < -1024 || cos(-x) > 1024 || cos(-x) < -1024 ? 255 : 0 |
259 | daniel-mar | 1071 | // G = tan(x) > 1024 || tan(x) < -1024 || tan(-x) > 1024 || tan(-x) < -1024 ? 255 : 0 |
1072 | // B = sin(x) > 1024 || sin(x) < -1024 || sin(-x) > 1024 || sin(-x) < -1024 ? 255 : 0 |
||
1073 | // It outputs green stripes, showing that the output of tan() is not bounded. |
||
1074 | // So, we do it the same way to stay compatible. |
||
1075 | if (x < 0) x--; /* required for Filter Factory compatibility */ |
||
1076 | while (x < 0) x += TANTABSIZE; |
||
500 | daniel-mar | 1077 | return (value_type)RINT(2 * TRIGAMP * gdata->tantab[x % TANTABSIZE]); // We need the x2 multiplicator for some reason |
297 | daniel-mar | 1078 | #endif |
259 | daniel-mar | 1079 | } |
1080 | |||
294 | daniel-mar | 1081 | value_type ff_tan(value_type x) { |
297 | daniel-mar | 1082 | #ifdef use_filterfactory_implementation_tan |
294 | daniel-mar | 1083 | return factory_tan(x); |
297 | daniel-mar | 1084 | #else |
294 | daniel-mar | 1085 | return foundry_tan(x); |
297 | daniel-mar | 1086 | #endif |
294 | daniel-mar | 1087 | } |
1088 | |||
1089 | // ------------------------------------------------------------------------------------------- |
||
1090 | |||
295 | daniel-mar | 1091 | /* c2d(x,y) Angle displacement of the pixel at coordinates x,y */ |
294 | daniel-mar | 1092 | |
295 | daniel-mar | 1093 | value_type factory_c2d(value_type x, value_type y) { |
297 | daniel-mar | 1094 | #ifdef PARSERTEST |
1095 | return 0; |
||
1096 | #else |
||
295 | daniel-mar | 1097 | // https://misc.daniel-marschall.de/projects/filter_factory/function_c2d.html |
1098 | int32_t eax, ebx, ecx; |
||
1099 | eax = y; |
||
1100 | ebx = x; |
||
1101 | ecx = 0; |
||
1102 | if (eax < 0) { |
||
1103 | eax = -eax; |
||
1104 | ecx |= 4/*0b0100*/; |
||
1105 | } |
||
1106 | if (ebx < 0) { |
||
1107 | ebx = -ebx; |
||
1108 | ecx |= 3/*0b0011*/; |
||
1109 | } |
||
1110 | if (eax > ebx) { |
||
1111 | int tmp; |
||
1112 | ecx ^= 1/*0b0001*/; |
||
1113 | tmp = eax; |
||
1114 | eax = ebx; |
||
1115 | ebx = tmp; |
||
1116 | } |
||
1117 | if (eax > 0) { |
||
1118 | eax = eax << 10; |
||
1119 | eax /= ebx; |
||
1120 | if (eax != 0) { |
||
1121 | eax = (eax & 0xFFFF0000) | (FACTORY_C2D_LOOKUP[eax - 1] & 0xFFFF); |
||
1122 | eax = eax << 9; |
||
502 | daniel-mar | 1123 | ebx = 205888; // 205888/65536 == pi == 3.14159265358979323846264338327 |
295 | daniel-mar | 1124 | eax /= ebx; |
1125 | } |
||
1126 | } |
||
1127 | if ((ecx & 1/*0b0001*/) != 0) { |
||
1128 | eax = -eax; |
||
1129 | eax += 256; |
||
1130 | } |
||
1131 | if ((ecx & 2/*0b0010*/) != 0) { |
||
1132 | eax += 256; |
||
1133 | } |
||
1134 | if ((ecx & 4/*0b0100*/) != 0) { |
||
1135 | eax = -eax; |
||
1136 | } |
||
1137 | return eax; |
||
297 | daniel-mar | 1138 | #endif |
294 | daniel-mar | 1139 | } |
1140 | |||
295 | daniel-mar | 1141 | value_type foundry_c2d(value_type x, value_type y) { |
297 | daniel-mar | 1142 | #ifdef PARSERTEST |
1143 | return 0; |
||
1144 | #else |
||
295 | daniel-mar | 1145 | // Behavior of FilterFoundry <1.7: |
1146 | //return foundry_c2d_negated(x,y); |
||
1147 | |||
1148 | // Behavior in FilterFoundry 1.7+: Matches FilterFactory |
||
1149 | return (value_type)RINT(TO_FFANGLE(atan2(y, x))); |
||
297 | daniel-mar | 1150 | #endif |
294 | daniel-mar | 1151 | } |
1152 | |||
295 | daniel-mar | 1153 | value_type ff_c2d(value_type x, value_type y) { |
297 | daniel-mar | 1154 | #ifdef use_filterfactory_implementation_c2d |
295 | daniel-mar | 1155 | return factory_c2d(x, y); |
297 | daniel-mar | 1156 | #else |
295 | daniel-mar | 1157 | return foundry_c2d(x, y); |
297 | daniel-mar | 1158 | #endif |
259 | daniel-mar | 1159 | } |
1160 | |||
294 | daniel-mar | 1161 | // ------------------------------------------------------------------------------------------- |
1162 | |||
295 | daniel-mar | 1163 | /* c2m(x,y) Magnitude displacement of the pixel at coordinates x,y */ |
294 | daniel-mar | 1164 | |
295 | daniel-mar | 1165 | value_type factory_c2m(value_type x, value_type y) { |
297 | daniel-mar | 1166 | #ifdef PARSERTEST |
1167 | return 0; |
||
1168 | #else |
||
295 | daniel-mar | 1169 | // https://misc.daniel-marschall.de/projects/filter_factory/function_c2m.html |
1170 | int32_t eax, ebx; |
||
1171 | ebx = y < 0 ? -y : y; |
||
1172 | eax = x < 0 ? -x : x; |
||
1173 | if (eax == ebx) { |
||
502 | daniel-mar | 1174 | eax = 27146; // 27146/65536 == sqrt(2)-1 == 0.41421356237 |
295 | daniel-mar | 1175 | } |
1176 | else { |
||
1177 | if (eax > ebx) { |
||
1178 | int tmp = eax; |
||
1179 | eax = ebx; |
||
1180 | ebx = tmp; |
||
1181 | } |
||
1182 | eax = eax << 10; |
||
1183 | eax /= ebx; |
||
1184 | eax = FACTORY_C2M_LOOKUP[eax]; |
||
1185 | } |
||
1186 | eax = ((int64_t)eax * (int64_t)ebx) >> 16; |
||
1187 | eax += ebx; |
||
1188 | return eax; |
||
297 | daniel-mar | 1189 | #endif |
294 | daniel-mar | 1190 | } |
1191 | |||
295 | daniel-mar | 1192 | value_type foundry_c2m(value_type x, value_type y) { |
297 | daniel-mar | 1193 | #ifdef PARSERTEST |
1194 | return 0; |
||
1195 | #else |
||
295 | daniel-mar | 1196 | return isqrt((long)x * x + (long)y * y); |
297 | daniel-mar | 1197 | #endif |
294 | daniel-mar | 1198 | } |
1199 | |||
295 | daniel-mar | 1200 | value_type ff_c2m(value_type x, value_type y) { |
297 | daniel-mar | 1201 | #ifdef use_filterfactory_implementation_c2m |
295 | daniel-mar | 1202 | return factory_c2m(x, y); |
297 | daniel-mar | 1203 | #else |
295 | daniel-mar | 1204 | return foundry_c2m(x, y); |
297 | daniel-mar | 1205 | #endif |
259 | daniel-mar | 1206 | } |
1207 | |||
294 | daniel-mar | 1208 | // ------------------------------------------------------------------------------------------- |
1209 | |||
295 | daniel-mar | 1210 | /* Direction(angle) of the current pixel from the center of the image, |
335 | daniel-mar | 1211 | where d is an integer between -512 and 512 inclusive */ |
295 | daniel-mar | 1212 | |
294 | daniel-mar | 1213 | value_type factory_d() { |
297 | daniel-mar | 1214 | #ifdef PARSERTEST |
1215 | return 0; |
||
1216 | #else |
||
295 | daniel-mar | 1217 | // https://misc.daniel-marschall.de/projects/filter_factory/symbol_d_lowercase.html |
1218 | |||
1219 | int eax, ebx, ecx; |
||
296 | daniel-mar | 1220 | const int xmin = 0, ymin = 0; |
295 | daniel-mar | 1221 | |
1222 | eax = -(var['Y'] - ymin) / 2; |
||
1223 | ebx = -(var['X'] - xmin) / 2; |
||
1224 | ecx = 0; |
||
1225 | eax += var['y']; |
||
1226 | if (eax < 0) { |
||
1227 | eax = -eax; |
||
1228 | ecx |= 4/*0b0100*/; |
||
1229 | } |
||
1230 | ebx += var['x']; |
||
1231 | if (ebx < 0) { |
||
1232 | ebx = -ebx; |
||
1233 | ecx |= 3/*0b0011*/; |
||
1234 | } |
||
1235 | if (eax > ebx) { |
||
1236 | int tmp; |
||
1237 | ecx ^= 1/*0b0001*/; |
||
1238 | tmp = eax; |
||
1239 | eax = ebx; |
||
1240 | ebx = tmp; |
||
1241 | } |
||
1242 | if (eax > 0) { |
||
1243 | eax = eax << 10; |
||
1244 | eax /= ebx; |
||
1245 | if (eax != 0) { // C2D_LOOKUP[-1] will never be called. Good! |
||
1246 | eax = (eax & 0xFFFF0000) + (FACTORY_C2D_LOOKUP[eax - 1] & 0xFFFF); |
||
1247 | eax = eax << 9; |
||
502 | daniel-mar | 1248 | ebx = 205888; // 205888/65536 == pi == 3.14159265358979323846264338327 |
295 | daniel-mar | 1249 | eax /= ebx; |
1250 | } |
||
1251 | } |
||
1252 | if ((ecx & 1/*0b0001*/) != 0) { |
||
1253 | eax = -eax; |
||
1254 | eax += 256; |
||
1255 | } |
||
1256 | if ((ecx & 2/*0b0010*/) != 0) { |
||
1257 | eax += 256; |
||
1258 | } |
||
1259 | if ((ecx & 4/*0b0100*/) != 0) { |
||
1260 | eax = -eax; |
||
1261 | } |
||
1262 | return eax; |
||
297 | daniel-mar | 1263 | #endif |
294 | daniel-mar | 1264 | } |
1265 | |||
1266 | value_type foundry_c2d_negated(int x, int y) { |
||
297 | daniel-mar | 1267 | #ifdef PARSERTEST |
1268 | return 0; |
||
1269 | #else |
||
294 | daniel-mar | 1270 | return (value_type)RINT(TO_FFANGLE(atan2(-y, -x))); |
297 | daniel-mar | 1271 | #endif |
294 | daniel-mar | 1272 | } |
1273 | |||
1274 | value_type foundry_d() { |
||
297 | daniel-mar | 1275 | #ifdef PARSERTEST |
1276 | return 0; |
||
1277 | #else |
||
259 | daniel-mar | 1278 | // NOTE: FilterFactory uses c2d(x,y):=atan2(y,x), but d:=atan2(-y,-x) |
1279 | // Due to compatibility reasons, we implement it the same way! |
||
1280 | // Sign of y difference is negated, as we are dealing with top-down coordinates angle is "observed" |
||
294 | daniel-mar | 1281 | int x = var['X'] / 2 - var['x']; |
1282 | int y = var['Y'] / 2 - var['y']; |
||
295 | daniel-mar | 1283 | return foundry_c2d_negated(x, y); |
297 | daniel-mar | 1284 | #endif |
259 | daniel-mar | 1285 | } |
1286 | |||
294 | daniel-mar | 1287 | value_type ff_d() { |
297 | daniel-mar | 1288 | #ifdef use_filterfactory_implementation_d |
491 | daniel-mar | 1289 | // Output range: -512 ... 512 |
294 | daniel-mar | 1290 | return factory_d(); |
297 | daniel-mar | 1291 | #else |
491 | daniel-mar | 1292 | // Output range: -511 ... 512 |
294 | daniel-mar | 1293 | return foundry_d(); |
297 | daniel-mar | 1294 | #endif |
294 | daniel-mar | 1295 | } |
1296 | |||
1297 | // ------------------------------------------------------------------------------------------- |
||
1298 | |||
295 | daniel-mar | 1299 | /* Range of magnitudes with the image, where M is one half the diagonal size of the image */ |
1300 | |||
294 | daniel-mar | 1301 | value_type factory_M() { |
297 | daniel-mar | 1302 | #ifdef PARSERTEST |
1303 | return 0; |
||
1304 | #else |
||
295 | daniel-mar | 1305 | // https://misc.daniel-marschall.de/projects/filter_factory/symbol_m_uppercase.html |
1306 | |||
1307 | int eax, ebx; |
||
1308 | const int xmin = 0, ymin = 0; |
||
1309 | |||
1310 | eax = (var['X'] - xmin) >> 1; |
||
1311 | ebx = (var['Y'] - ymin) >> 1; |
||
1312 | if (eax == ebx) { |
||
502 | daniel-mar | 1313 | eax = 27146; // 27146/65536 == sqrt(2)-1 == 0.41421356237 |
295 | daniel-mar | 1314 | } |
1315 | else { |
||
1316 | if (eax > ebx) { |
||
1317 | int tmp = eax; |
||
1318 | eax = ebx; |
||
1319 | ebx = tmp; |
||
1320 | } |
||
1321 | eax = eax << 10; |
||
1322 | eax /= ebx; |
||
1323 | eax = FACTORY_C2M_LOOKUP[eax]; |
||
1324 | } |
||
1325 | eax = ((int64_t)eax * (int64_t)ebx) >> 16; |
||
1326 | eax += ebx; |
||
1327 | return eax; |
||
297 | daniel-mar | 1328 | #endif |
294 | daniel-mar | 1329 | } |
1330 | |||
1331 | value_type foundry_M() { |
||
297 | daniel-mar | 1332 | #ifdef PARSERTEST |
1333 | return 0; |
||
1334 | #else |
||
294 | daniel-mar | 1335 | return foundry_c2m(var['X'], var['Y']) / 2; |
297 | daniel-mar | 1336 | #endif |
294 | daniel-mar | 1337 | } |
1338 | |||
1339 | value_type ff_M() { |
||
297 | daniel-mar | 1340 | #ifdef use_filterfactory_implementation_M |
294 | daniel-mar | 1341 | return factory_M(); |
297 | daniel-mar | 1342 | #else |
294 | daniel-mar | 1343 | return foundry_M(); |
297 | daniel-mar | 1344 | #endif |
294 | daniel-mar | 1345 | } |
1346 | |||
1347 | // ------------------------------------------------------------------------------------------- |
||
1348 | |||
295 | daniel-mar | 1349 | /* Distance (magnitude) from the center of the image to the current pixel */ |
1350 | |||
294 | daniel-mar | 1351 | value_type factory_m() { |
297 | daniel-mar | 1352 | #ifdef PARSERTEST |
1353 | return 0; |
||
1354 | #else |
||
295 | daniel-mar | 1355 | // https://misc.daniel-marschall.de/projects/filter_factory/symbol_m_lowercase.html |
1356 | |||
1357 | int eax, ebx; |
||
1358 | const int xmin = 0, ymin = 0; |
||
1359 | |||
1360 | eax = ((xmin - var['X']) >> 1) + var['x']; |
||
1361 | ebx = ((ymin - var['Y']) >> 1) + var['y']; |
||
1362 | eax = eax < 0 ? -eax : eax; |
||
1363 | ebx = ebx < 0 ? -ebx : ebx; |
||
1364 | |||
1365 | if (eax == ebx) { |
||
502 | daniel-mar | 1366 | eax = 27146; // 27146/65536 == sqrt(2)-1 == 0.41421356237 |
295 | daniel-mar | 1367 | } |
1368 | else { |
||
1369 | if (eax > ebx) { |
||
1370 | int tmp = eax; |
||
1371 | eax = ebx; |
||
1372 | ebx = tmp; |
||
1373 | } |
||
1374 | eax = FACTORY_C2M_LOOKUP[1024 * eax / ebx]; |
||
1375 | } |
||
1376 | eax = ((int64_t)eax * (int64_t)ebx) >> 16; |
||
1377 | eax += ebx; |
||
1378 | return eax; |
||
297 | daniel-mar | 1379 | #endif |
294 | daniel-mar | 1380 | } |
1381 | |||
1382 | value_type foundry_m() { |
||
297 | daniel-mar | 1383 | #ifdef PARSERTEST |
1384 | return 0; |
||
1385 | #else |
||
294 | daniel-mar | 1386 | return foundry_c2m(var['X'] / 2 - var['x'], var['Y'] / 2 - var['y']); |
297 | daniel-mar | 1387 | #endif |
294 | daniel-mar | 1388 | } |
1389 | |||
1390 | value_type ff_m() { |
||
297 | daniel-mar | 1391 | #ifdef use_filterfactory_implementation_m |
294 | daniel-mar | 1392 | return factory_m(); |
297 | daniel-mar | 1393 | #else |
294 | daniel-mar | 1394 | return foundry_m(); |
297 | daniel-mar | 1395 | #endif |
294 | daniel-mar | 1396 | } |
1397 | |||
1398 | // ------------------------------------------------------------------------------------------- |
||
1399 | |||
295 | daniel-mar | 1400 | /* "Y" value of the YUV color-space */ |
1401 | |||
294 | daniel-mar | 1402 | value_type factory_i() { |
297 | daniel-mar | 1403 | #ifdef PARSERTEST |
1404 | return 0; |
||
1405 | #else |
||
294 | daniel-mar | 1406 | return ((76L * var['r']) + (150L * var['g']) + (29L * var['b'])) / 256; // range: [0..254] |
297 | daniel-mar | 1407 | #endif |
294 | daniel-mar | 1408 | } |
1409 | |||
1410 | value_type foundry_i() { |
||
297 | daniel-mar | 1411 | #ifdef PARSERTEST |
1412 | return 0; |
||
1413 | #else |
||
294 | daniel-mar | 1414 | // These formulas are more accurate, e.g. pure white has now i=255 instead of 254 |
1415 | return ((299L * var['r']) + (587L * var['g']) + (114L * var['b'])) / 1000; // range: [0..255] |
||
297 | daniel-mar | 1416 | #endif |
294 | daniel-mar | 1417 | } |
1418 | |||
1419 | value_type ff_i() { |
||
297 | daniel-mar | 1420 | #ifdef use_filterfactory_implementation_i |
294 | daniel-mar | 1421 | return factory_i(); |
297 | daniel-mar | 1422 | #else |
294 | daniel-mar | 1423 | return foundry_i(); |
297 | daniel-mar | 1424 | #endif |
294 | daniel-mar | 1425 | } |
1426 | |||
1427 | // ------------------------------------------------------------------------------------------- |
||
1428 | |||
295 | daniel-mar | 1429 | /* "U" value of the YUV color-space */ |
1430 | |||
294 | daniel-mar | 1431 | value_type factory_u() { |
297 | daniel-mar | 1432 | #ifdef PARSERTEST |
1433 | return 0; |
||
1434 | #else |
||
294 | daniel-mar | 1435 | return ((-19L * var['r']) + (-37L * var['g']) + (56L * var['b'])) / 256; // range: [-55..55] |
297 | daniel-mar | 1436 | #endif |
294 | daniel-mar | 1437 | } |
1438 | |||
1439 | value_type foundry_u() { |
||
297 | daniel-mar | 1440 | #ifdef PARSERTEST |
1441 | return 0; |
||
1442 | #else |
||
294 | daniel-mar | 1443 | // These formulas are more accurate, e.g. pure white has now i=255 instead of 254 |
1444 | return ((-147407L * var['r']) + (-289391L * var['g']) + (436798L * var['b'])) / 2000000; // range: [-55..55] |
||
297 | daniel-mar | 1445 | #endif |
294 | daniel-mar | 1446 | } |
1447 | |||
1448 | value_type ff_u() { |
||
297 | daniel-mar | 1449 | #ifdef use_filterfactory_implementation_u |
294 | daniel-mar | 1450 | return factory_u(); |
297 | daniel-mar | 1451 | #else |
294 | daniel-mar | 1452 | return foundry_u(); |
297 | daniel-mar | 1453 | #endif |
294 | daniel-mar | 1454 | } |
1455 | |||
1456 | // ------------------------------------------------------------------------------------------- |
||
1457 | |||
295 | daniel-mar | 1458 | /* "V" value of the YUV color-space */ |
1459 | |||
294 | daniel-mar | 1460 | value_type factory_v() { |
297 | daniel-mar | 1461 | #ifdef PARSERTEST |
1462 | return 0; |
||
1463 | #else |
||
294 | daniel-mar | 1464 | return ((78L * var['r']) + (-65L * var['g']) + (-13L * var['b'])) / 256; // range: [-77..77] |
297 | daniel-mar | 1465 | #endif |
294 | daniel-mar | 1466 | } |
1467 | |||
1468 | value_type foundry_v() { |
||
297 | daniel-mar | 1469 | #ifdef PARSERTEST |
1470 | return 0; |
||
1471 | #else |
||
294 | daniel-mar | 1472 | // These formulas are more accurate, e.g. pure white has now i=255 instead of 254 |
1473 | return ((614777L * var['r']) + (-514799L * var['g']) + (-99978L * var['b'])) / 2000000; // range: [-78..78] |
||
297 | daniel-mar | 1474 | #endif |
294 | daniel-mar | 1475 | } |
1476 | |||
1477 | value_type ff_v() { |
||
297 | daniel-mar | 1478 | #ifdef use_filterfactory_implementation_v |
294 | daniel-mar | 1479 | return factory_v(); |
297 | daniel-mar | 1480 | #else |
294 | daniel-mar | 1481 | return foundry_v(); |
297 | daniel-mar | 1482 | #endif |
294 | daniel-mar | 1483 | } |
1484 | |||
1485 | // ------------------------------------------------------------------------------------------- |
||
1486 | |||
259 | daniel-mar | 1487 | /* get(i) Returns the current cell value at i */ |
1488 | |||
297 | daniel-mar | 1489 | value_type factory_get(value_type i) { |
1490 | #ifdef PARSERTEST |
||
1491 | return 0; |
||
1492 | #else |
||
500 | daniel-mar | 1493 | return i >= 0 && i < NUM_CELLS ? cell[i] : i; |
297 | daniel-mar | 1494 | #endif |
259 | daniel-mar | 1495 | } |
1496 | |||
297 | daniel-mar | 1497 | value_type foundry_get(value_type i) { |
1498 | #ifdef PARSERTEST |
||
1499 | return 0; |
||
1500 | #else |
||
1501 | return i >= 0 && i < NUM_CELLS ? cell[i] : 0; |
||
1502 | #endif |
||
1503 | } |
||
1504 | |||
1505 | value_type ff_get(value_type i) { |
||
502 | daniel-mar | 1506 | // The only difference is the handling of invalid values of "i" |
297 | daniel-mar | 1507 | #ifdef use_filterfactory_implementation_get |
1508 | return factory_get(i); |
||
1509 | #else |
||
1510 | return foundry_get(i); |
||
1511 | #endif |
||
1512 | } |
||
1513 | |||
294 | daniel-mar | 1514 | // ------------------------------------------------------------------------------------------- |
1515 | |||
259 | daniel-mar | 1516 | /* put(v,i) Puts the new value v into cell i */ |
500 | daniel-mar | 1517 | value_type ff_put(value_type v, value_type i) { |
297 | daniel-mar | 1518 | #ifdef PARSERTEST |
1519 | return 0; |
||
1520 | #else |
||
500 | daniel-mar | 1521 | if (i >= 0 && i < NUM_CELLS) |
259 | daniel-mar | 1522 | cell[i] = v; |
1523 | return v; |
||
297 | daniel-mar | 1524 | #endif |
259 | daniel-mar | 1525 | } |
1526 | |||
294 | daniel-mar | 1527 | // ------------------------------------------------------------------------------------------- |
1528 | |||
259 | daniel-mar | 1529 | /* Convolve. Applies a convolution matrix and divides with d. */ |
500 | daniel-mar | 1530 | value_type ff_cnv(value_type m11, value_type m12, value_type m13, |
1531 | value_type m21, value_type m22, value_type m23, |
||
1532 | value_type m31, value_type m32, value_type m33, |
||
1533 | value_type d) |
||
259 | daniel-mar | 1534 | { |
297 | daniel-mar | 1535 | #ifdef PARSERTEST |
259 | daniel-mar | 1536 | return 0; |
297 | daniel-mar | 1537 | #else |
259 | daniel-mar | 1538 | long total; |
1539 | int x, y, z; |
||
502 | daniel-mar | 1540 | |
1541 | if (d == 0) return 0; |
||
1542 | |||
500 | daniel-mar | 1543 | // shift x,y from selection-relative to image relative required by rawsrc() |
259 | daniel-mar | 1544 | if (HAS_BIG_DOC(gpb)) { |
1545 | x = var['x'] + BIGDOC_FILTER_RECT(gpb).left; |
||
1546 | y = var['y'] + BIGDOC_FILTER_RECT(gpb).top; |
||
1547 | } else { |
||
1548 | x = var['x'] + FILTER_RECT(gpb).left; |
||
1549 | y = var['y'] + FILTER_RECT(gpb).top; |
||
1550 | } |
||
1551 | z = var['z']; |
||
1552 | |||
500 | daniel-mar | 1553 | // rawsrc() will choose the neighbor pixels if x/y goes out-of-bounds (outer border pixels) |
1554 | if (z >= 0 && z < var['Z']) |
||
1555 | total = m11 * rawsrc(x - 1, y - 1, z) + m12 * rawsrc(x, y - 1, z) + m13 * rawsrc(x + 1, y - 1, z) |
||
1556 | + m21 * rawsrc(x - 1, y, z) + m22 * rawsrc(x, y, z) + m23 * rawsrc(x + 1, y, z) |
||
1557 | + m31 * rawsrc(x - 1, y + 1, z) + m32 * rawsrc(x, y + 1, z) + m33 * rawsrc(x + 1, y + 1, z); |
||
259 | daniel-mar | 1558 | else |
500 | daniel-mar | 1559 | total = 0; // ... can this happen at all ?! |
259 | daniel-mar | 1560 | |
502 | daniel-mar | 1561 | return total / d; |
297 | daniel-mar | 1562 | #endif |
259 | daniel-mar | 1563 | } |
1564 | |||
294 | daniel-mar | 1565 | // ------------------------------------------------------------------------------------------- |
259 | daniel-mar | 1566 | |
1567 | value_type zero_val = 0; |
||
1568 | value_type one_val = 1; |
||
1569 | |||
335 | daniel-mar | 1570 | value_type min_val_i = 0; |
1571 | value_type max_val_i = 255; |
||
1572 | value_type val_I = 255; |
||
304 | daniel-mar | 1573 | |
335 | daniel-mar | 1574 | #ifdef use_filterfactory_implementation_u_minmax |
1575 | value_type min_val_u = 0; |
||
1576 | value_type max_val_u = 255; |
||
304 | daniel-mar | 1577 | #else |
335 | daniel-mar | 1578 | value_type min_val_u = -55; |
1579 | value_type max_val_u = 55; |
||
304 | daniel-mar | 1580 | #endif |
1581 | |||
335 | daniel-mar | 1582 | #ifdef use_filterfactory_implementation_U |
1583 | value_type val_U = 255; |
||
1584 | #else |
||
1585 | value_type val_U = 110; // max_val_u - min_val_u; |
||
1586 | #endif |
||
1587 | |||
304 | daniel-mar | 1588 | #ifdef use_filterfactory_implementation_v_minmax |
335 | daniel-mar | 1589 | value_type min_val_v = 0; |
1590 | value_type max_val_v = 255; |
||
304 | daniel-mar | 1591 | #else |
335 | daniel-mar | 1592 | value_type min_val_v = -78; |
1593 | value_type max_val_v = 78; |
||
304 | daniel-mar | 1594 | #endif |
1595 | |||
335 | daniel-mar | 1596 | #ifdef use_filterfactory_implementation_V |
1597 | value_type val_V = 255; |
||
1598 | #else |
||
1599 | value_type val_V = 156; // max_val_v - min_val_v; |
||
1600 | #endif |
||
1601 | |||
1602 | #ifdef use_filterfactory_implementation_d_minmax |
||
1603 | value_type min_val_d = 0; |
||
1604 | value_type max_val_d = 1024; |
||
1605 | #else |
||
1606 | value_type min_val_d = -512; |
||
1607 | value_type max_val_d = 512; |
||
1608 | #endif |
||
1609 | |||
1610 | #ifdef use_filterfactory_implementation_D |
||
1611 | value_type val_D = 1024; |
||
1612 | #else |
||
1613 | value_type val_D = 1024; // max_val_d - min_val_d; |
||
1614 | #endif |
||
1615 | |||
259 | daniel-mar | 1616 | /* predefined symbols */ |
500 | daniel-mar | 1617 | struct sym_rec predefs[] = { |
259 | daniel-mar | 1618 | /* functions */ |
1619 | |||
1620 | {0,TOK_FN3,"src", (pfunc_type)ff_src, 0}, |
||
1621 | {0,TOK_FN3,"rad", (pfunc_type)ff_rad, 0}, |
||
1622 | {0,TOK_FN1,"ctl", (pfunc_type)ff_ctl, 0}, |
||
1623 | {0,TOK_FN3,"val", (pfunc_type)ff_val, 0}, |
||
1624 | {0,TOK_FN2,"map", (pfunc_type)ff_map, 0}, |
||
1625 | {0,TOK_FN2,"min", (pfunc_type)ff_min, 0}, |
||
1626 | {0,TOK_FN2,"max", (pfunc_type)ff_max, 0}, |
||
1627 | {0,TOK_FN1,"abs", (pfunc_type)ff_abs, 0}, |
||
1628 | {0,TOK_FN3,"add", (pfunc_type)ff_add, 0}, |
||
1629 | {0,TOK_FN3,"sub", (pfunc_type)ff_sub, 0}, |
||
1630 | {0,TOK_FN2,"dif", (pfunc_type)ff_dif, 0}, |
||
1631 | {0,TOK_FN2,"rnd", (pfunc_type)ff_rnd, 0}, |
||
1632 | {0,TOK_FN4,"mix", (pfunc_type)ff_mix, 0}, |
||
1633 | {0,TOK_FN5,"scl", (pfunc_type)ff_scl, 0}, |
||
1634 | {0,TOK_FN1,"sqr", (pfunc_type)ff_sqr, 0}, |
||
1635 | {0,TOK_FN1,"sqrt", (pfunc_type)ff_sqr, 0}, // sqrt() is synonym to sqr() in Premiere |
||
1636 | {0,TOK_FN1,"sin", (pfunc_type)ff_sin, 0}, |
||
1637 | {0,TOK_FN1,"cos", (pfunc_type)ff_cos, 0}, |
||
1638 | {0,TOK_FN1,"tan", (pfunc_type)ff_tan, 0}, |
||
1639 | {0,TOK_FN2,"r2x", (pfunc_type)ff_r2x, 0}, |
||
1640 | {0,TOK_FN2,"r2y", (pfunc_type)ff_r2y, 0}, |
||
1641 | {0,TOK_FN2,"c2d", (pfunc_type)ff_c2d, 0}, |
||
1642 | {0,TOK_FN2,"c2m", (pfunc_type)ff_c2m, 0}, |
||
1643 | {0,TOK_FN1,"get", (pfunc_type)ff_get, 0}, |
||
1644 | {0,TOK_FN2,"put", (pfunc_type)ff_put, 0}, |
||
1645 | {0,TOK_FN10,"cnv",(pfunc_type)ff_cnv, 0}, |
||
1646 | {0,TOK_FN1,"rst", (pfunc_type)ff_rst, 0}, // undocumented FilterFactory function |
||
300 | daniel-mar | 1647 | {0,TOK_FN2,"pow", (pfunc_type)ff_pow, 0}, // new function, also added in inofficial Filter Factory 3.1.0 patch |
259 | daniel-mar | 1648 | |
304 | daniel-mar | 1649 | /* Predefined variables (names with more than 1 character); most of them are undocumented in Filter Factory */ |
1650 | /* The predefined variables with 1 character are defined in lexer.l and process.c */ |
||
1651 | /* In this table, you must not add TOK_VAR with only 1 character (since this case is not defined in parser.y) */ |
||
259 | daniel-mar | 1652 | |
335 | daniel-mar | 1653 | {0,TOK_VAR,"rmax",0, &var['R']}, // alias of R (defined in lexer.l and set by process.c) |
1654 | {0,TOK_VAR,"gmax",0, &var['G']}, // alias of G (defined in lexer.l and set by process.c) |
||
1655 | {0,TOK_VAR,"bmax",0, &var['B']}, // alias of B (defined in lexer.l and set by process.c) |
||
1656 | {0,TOK_VAR,"amax",0, &var['A']}, // alias of A (defined in lexer.l and set by process.c) |
||
1657 | {0,TOK_VAR,"cmax",0, &var['C']}, // alias of C (defined in lexer.l and set by process.c) |
||
1658 | {0,TOK_VAR,"imax",0, &max_val_i}, |
||
1659 | {0,TOK_VAR,"umax",0, &max_val_u}, |
||
1660 | {0,TOK_VAR,"vmax",0, &max_val_v}, |
||
1661 | {0,TOK_VAR,"dmax",0, &max_val_d}, |
||
1662 | {0,TOK_VAR,"mmax",0, &var['M']}, // alias of M (defined in lexer.l and set by process.c) |
||
1663 | {0,TOK_VAR,"pmax",0, &var['Z']}, // alias of P (defined in lexer.l and set by process.c) |
||
1664 | {0,TOK_VAR,"xmax",0, &var['X']}, // alias of X (defined in lexer.l and set by process.c) |
||
1665 | {0,TOK_VAR,"ymax",0, &var['Y']}, // alias of Y (defined in lexer.l and set by process.c) |
||
1666 | {0,TOK_VAR,"zmax",0, &var['Z']}, // alias of Z (defined in lexer.l and set by process.c) |
||
259 | daniel-mar | 1667 | |
1668 | {0,TOK_VAR,"rmin",0, &zero_val}, |
||
1669 | {0,TOK_VAR,"gmin",0, &zero_val}, |
||
1670 | {0,TOK_VAR,"bmin",0, &zero_val}, |
||
1671 | {0,TOK_VAR,"amin",0, &zero_val}, |
||
1672 | {0,TOK_VAR,"cmin",0, &zero_val}, |
||
335 | daniel-mar | 1673 | {0,TOK_VAR,"imin",0, &min_val_i}, |
1674 | {0,TOK_VAR,"umin",0, &min_val_u}, |
||
1675 | {0,TOK_VAR,"vmin",0, &min_val_v}, |
||
1676 | {0,TOK_VAR,"dmin",0, &min_val_d}, |
||
259 | daniel-mar | 1677 | {0,TOK_VAR,"mmin",0, &zero_val}, |
1678 | {0,TOK_VAR,"pmin",0, &zero_val}, |
||
1679 | {0,TOK_VAR,"xmin",0, &zero_val}, |
||
1680 | {0,TOK_VAR,"ymin",0, &zero_val}, |
||
1681 | {0,TOK_VAR,"zmin",0, &zero_val}, |
||
1682 | |||
1683 | /* Undocumented synonyms of FilterFactory for compatibility with Premiere */ |
||
1684 | {0,TOK_FN10,"cnv0",(pfunc_type)ff_cnv, 0}, |
||
1685 | {0,TOK_FN3,"src0", (pfunc_type)ff_src, 0}, |
||
1686 | {0,TOK_FN3,"rad0", (pfunc_type)ff_rad, 0}, |
||
1687 | {0,TOK_FN10,"cnv1",(pfunc_type)ff_cnv, 0}, |
||
1688 | {0,TOK_FN3,"src1", (pfunc_type)ff_src, 0}, |
||
1689 | {0,TOK_FN3,"rad1", (pfunc_type)ff_rad, 0}, |
||
1690 | {0,TOK_VAR,"r0",0, &var['r']}, |
||
1691 | {0,TOK_VAR,"g0",0, &var['g']}, |
||
1692 | {0,TOK_VAR,"b0",0, &var['b']}, |
||
1693 | {0,TOK_VAR,"a0",0, &var['a']}, |
||
1694 | {0,TOK_VAR,"c0",0, &var['c']}, |
||
1695 | {0,TOK_VAR,"i0",0, &var['i']}, |
||
1696 | {0,TOK_VAR,"u0",0, &var['u']}, |
||
1697 | {0,TOK_VAR,"v0",0, &var['v']}, |
||
1698 | {0,TOK_VAR,"d0",0, &var['d']}, |
||
1699 | {0,TOK_VAR,"m0",0, &var['m']}, |
||
1700 | {0,TOK_VAR,"r1",0, &var['r']}, |
||
1701 | {0,TOK_VAR,"g1",0, &var['g']}, |
||
1702 | {0,TOK_VAR,"b1",0, &var['b']}, |
||
1703 | {0,TOK_VAR,"a1",0, &var['a']}, |
||
1704 | {0,TOK_VAR,"c1",0, &var['c']}, |
||
1705 | {0,TOK_VAR,"i1",0, &var['i']}, |
||
1706 | {0,TOK_VAR,"u1",0, &var['u']}, |
||
1707 | {0,TOK_VAR,"v1",0, &var['v']}, |
||
1708 | {0,TOK_VAR,"d1",0, &var['d']}, |
||
1709 | {0,TOK_VAR,"m1",0, &var['m']}, |
||
1710 | {0,TOK_VAR,"tmin",0, &zero_val}, |
||
1711 | {0,TOK_VAR,"tmax",0, &one_val}, |
||
1712 | {0,TOK_VAR,"total",0, &one_val}, |
||
1713 | |||
1714 | {0,0,0,0,0} |
||
1715 | }; |