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Rev | Author | Line No. | Line |
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184 | dmarschall | 1 | /* |
207 | 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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4 | Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft |
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184 | dmarschall | 5 | |
207 | 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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184 | dmarschall | 10 | |
207 | 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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184 | dmarschall | 15 | |
207 | 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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184 | dmarschall | 19 | */ |
20 | |||
21 | #include <stddef.h> |
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22 | #include <stdint.h> |
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185 | dmarschall | 23 | #include <assert.h> |
184 | dmarschall | 24 | |
25 | #include "ff.h" |
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26 | #include "symtab.h" |
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27 | |||
210 | daniel-mar | 28 | #include "scripting.h" |
184 | dmarschall | 29 | #include "PIActions.h" |
30 | #include "PITerminology.h" |
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31 | |||
32 | #include "compat_string.h" |
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33 | |||
207 | daniel-mar | 34 | //#define PRINTABLE_HASH_FF16 |
35 | |||
184 | dmarschall | 36 | /* |
207 | daniel-mar | 37 | Find a printable 4-character key, remembering (see Photoshop API guide): |
38 | - All IDs starting with an uppercase letter are reserved by Adobe. |
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39 | - All IDs that are all uppercase are reserved by Apple. |
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40 | - All IDs that are all lowercase are reserved by Apple. |
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41 | - This leaves all IDs that begin with a lowercase letter and have at least |
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42 | one uppercase letter for you and other plug-in developers. |
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43 | Note: It is questionable if "a!!!" or "A!!!" are also reseved by Apple. We don't risk it. |
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184 | dmarschall | 44 | */ |
45 | unsigned long printablehash(unsigned long hash) { |
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207 | daniel-mar | 46 | #ifdef PRINTABLE_HASH_FF16 |
47 | // FilterFoundry version 1.6 hashing by Toby Thain |
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48 | // Only accepts upper case at the last character |
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49 | // 0 = 'a A' |
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50 | // 6100899 = 'z~~Z' |
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51 | unsigned long key = 'a' + (hash % 26); hash /= 26; // first lower case |
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52 | key = (key << 8) | (' ' + (hash % 95)); hash /= 95; // any printable |
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53 | key = (key << 8) | (' ' + (hash % 95)); hash /= 95; // any printable |
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54 | return (key << 8) | ('A' + (hash % 26)); // last upper case |
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55 | #else |
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56 | // FilterFoundry version 1.7 hashing by Daniel Marschall |
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57 | // Accepts upper case at character 2, 3 or 4 |
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58 | // Spaces are only set the right as padding to make a code shorter |
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59 | // 0 = 'aA ' |
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60 | // 13530139 = 'zZZZ' |
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61 | // The key-space is ~2.22 times larger |
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62 | long lowlim; |
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63 | long uplim; |
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64 | int upperCaseInfo; |
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65 | int length; |
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66 | int lastThreeCharInfo; |
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67 | int firstChar; |
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68 | unsigned long key; |
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69 | int found; |
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70 | int i,j,k; |
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71 | |||
72 | uplim = 0; |
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73 | for (k=1; k<4; k++) { |
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74 | int mask; |
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75 | if (k == 1) mask = 1;//0b1; |
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76 | if (k == 2) mask = 2;//0b11; |
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77 | if (k == 3) mask = 4;//0b111; |
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78 | for (i=1; i<=mask; i++) { |
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79 | // 'k' characters |
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80 | long test = 1; |
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81 | for (j=0; j<k; ++j) { |
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82 | test *= ((i&(1<<j)) != 0) ? 26 : 94-26; |
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83 | } |
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84 | uplim += test; |
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85 | } |
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86 | } |
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87 | |||
88 | lastThreeCharInfo = hash % uplim; hash /= uplim; |
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89 | firstChar = hash%26; hash /= 26; |
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90 | |||
91 | lowlim = 0; |
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92 | uplim = 0; |
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93 | found = 0; |
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94 | length = -1; // avoid compiler warning |
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95 | upperCaseInfo = -1; // avoid compiler warning |
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96 | for (k=1; k<4; k++) { |
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97 | int mask; |
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98 | if (k == 1) mask = 1;//0b1; |
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99 | if (k == 2) mask = 2;//0b11; |
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100 | if (k == 3) mask = 4;//0b111; |
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101 | if (!found) for (i=1; i<=mask; i++) { |
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102 | // 'k' characters |
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103 | long test = 1; |
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104 | for (j=0; j<k; ++j) { |
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105 | test *= ((i&(1<<j)) != 0) ? 26 : 94-26; |
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106 | } |
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107 | uplim += test; |
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108 | if ((lastThreeCharInfo >= lowlim) && (lastThreeCharInfo < uplim)) { |
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109 | lastThreeCharInfo -= lowlim; |
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110 | found = 1; |
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111 | length = k; |
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112 | upperCaseInfo = i; |
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113 | break; |
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114 | } |
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115 | lowlim = uplim; |
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116 | } |
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117 | } |
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118 | |||
119 | key = ('a' + firstChar) << 24; // first char is lower-case |
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120 | for (i=0; i<length; ++i) { |
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121 | char res; |
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122 | if ((upperCaseInfo&(1<<i)) == 0) { |
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123 | res = '!' + (lastThreeCharInfo % (94-26)); |
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124 | if (res >= 'A') res += 26; |
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125 | lastThreeCharInfo /= (94-26); |
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126 | } else { |
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127 | res = 'A' + (lastThreeCharInfo % 26); |
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128 | lastThreeCharInfo /= 26; |
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129 | } |
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130 | key |= res << (8*(i+(4-length-1))); // 2nd, 3rd, 4th char are either upper-case or any printable char |
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131 | } |
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132 | if (length == 1) { |
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133 | key &= 0xFFFF0000; |
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134 | key |= ' ' << 8; |
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135 | key |= ' '; |
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136 | } |
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137 | if (length == 2) { |
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138 | key &= 0xFFFFFF00; |
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139 | key |= ' '; |
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140 | } |
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141 | return key; |
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142 | #endif |
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184 | dmarschall | 143 | } |
144 | |||
145 | long roundToNext4(long x) { |
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207 | daniel-mar | 146 | int pad = 4 - (x % 4); |
147 | if (pad == 0) pad = 4; |
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148 | return x + pad; |
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184 | dmarschall | 149 | } |
150 | |||
208 | daniel-mar | 151 | size_t fixpipl(PIPropertyList *pipl, size_t origsize, StringPtr title, long *event_id) { |
207 | daniel-mar | 152 | PIProperty *prop; |
153 | char *p; |
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154 | struct hstm_data { |
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155 | /* this structure must be 14+1 bytes long, to match PiPL structure */ |
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156 | long version; /* = 0 */ |
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157 | long class_id; |
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158 | long event_id; |
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159 | short aete_resid; |
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160 | char scope[1]; |
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161 | }; |
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162 | struct hstm_data *hstm; |
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163 | int scopelen; |
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164 | unsigned long hash; |
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184 | dmarschall | 165 | |
207 | daniel-mar | 166 | pipl->count += 3; // 3 more keys in PiPL: name, catg, hstm |
184 | dmarschall | 167 | |
207 | daniel-mar | 168 | p = (char*)pipl + origsize; |
169 | prop = (PIProperty*)p; |
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184 | dmarschall | 170 | |
207 | daniel-mar | 171 | /* add Title/Name property key */ |
184 | dmarschall | 172 | |
207 | daniel-mar | 173 | prop->vendorID = kPhotoshopSignature; |
174 | prop->propertyKey = PINameProperty; |
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175 | prop->propertyID = 0; |
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176 | prop->propertyLength = roundToNext4(title[0] + 1); |
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177 | PLstrcpy((StringPtr)prop->propertyData, title); |
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184 | dmarschall | 178 | |
207 | daniel-mar | 179 | // skip past new property record, and any padding |
180 | p += offsetof(PIProperty, propertyData) + prop->propertyLength; |
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181 | prop = (PIProperty*)p; |
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184 | dmarschall | 182 | |
207 | daniel-mar | 183 | /* add Category property key */ |
184 | dmarschall | 184 | |
207 | daniel-mar | 185 | prop->vendorID = kPhotoshopSignature; |
186 | prop->propertyKey = PICategoryProperty; |
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187 | prop->propertyID = 0; |
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188 | prop->propertyLength = roundToNext4(gdata->parm.category[0] + 1); |
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189 | PLstrcpy((StringPtr)prop->propertyData, gdata->parm.category); |
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184 | dmarschall | 190 | |
207 | daniel-mar | 191 | p += offsetof(PIProperty, propertyData) + prop->propertyLength; |
192 | prop = (PIProperty*)p; |
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184 | dmarschall | 193 | |
207 | daniel-mar | 194 | /* add HasTerminology property key */ |
184 | dmarschall | 195 | |
207 | daniel-mar | 196 | /* construct scope string by concatenating Category and Title - hopefully unique! */ |
210 | daniel-mar | 197 | // Note: In doresources() we malloc'ed 300h additional bytes, |
198 | // and in the build dialog, title and category are size-limited, |
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199 | // so we can write here without malloc. |
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207 | daniel-mar | 200 | hstm = (struct hstm_data*)prop->propertyData; |
201 | scopelen = sprintf(hstm->scope, "%s %s", |
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202 | INPLACEP2CSTR(gdata->parm.category), |
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203 | INPLACEP2CSTR(title)); |
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184 | dmarschall | 204 | |
207 | daniel-mar | 205 | /* make up a new event ID for this aete, based on printable base-95 hash of scope */ |
206 | hash = djb2(hstm->scope); |
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208 | daniel-mar | 207 | *event_id = printablehash(hash); /* this is used by aete_generate() later... */ |
184 | dmarschall | 208 | |
207 | daniel-mar | 209 | prop->vendorID = kPhotoshopSignature; |
210 | prop->propertyKey = PIHasTerminologyProperty; |
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211 | prop->propertyID = 0; |
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212 | prop->propertyLength = roundToNext4(offsetof(struct hstm_data, scope) + scopelen); |
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184 | dmarschall | 213 | |
207 | daniel-mar | 214 | hstm->version = 0; |
215 | hstm->class_id = plugInClassID; |
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209 | daniel-mar | 216 | hstm->event_id = *event_id; |
207 | daniel-mar | 217 | hstm->aete_resid = AETE_ID; |
184 | dmarschall | 218 | |
207 | daniel-mar | 219 | p += offsetof(PIProperty, propertyData) + prop->propertyLength; |
184 | dmarschall | 220 | |
207 | daniel-mar | 221 | return p - (char*)pipl; // figure how many bytes were added |
184 | dmarschall | 222 | } |
223 | |||
187 | dmarschall | 224 | void _aete_write_byte(void** aeteptr, uint8_t val) { |
207 | daniel-mar | 225 | uint8_t* tmp = *((uint8_t**)aeteptr); |
226 | *tmp = val; |
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227 | *aeteptr = (void*)((unsigned char*)tmp + 1); |
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187 | dmarschall | 228 | } |
229 | #define AETE_WRITE_BYTE(i) _aete_write_byte(&aeteptr, (i)); |
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184 | dmarschall | 230 | |
187 | dmarschall | 231 | void _aete_write_word(void** aeteptr, uint16_t val) { |
207 | daniel-mar | 232 | uint16_t* tmp = *((uint16_t**)aeteptr); |
233 | *tmp = val; |
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234 | *aeteptr = (void*)((unsigned char*)tmp + 2); |
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187 | dmarschall | 235 | } |
236 | #define AETE_WRITE_WORD(i) _aete_write_word(&aeteptr, (i)); |
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237 | |||
238 | void _aete_write_dword(void** aeteptr, uint32_t val) { |
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207 | daniel-mar | 239 | uint32_t* tmp = *((uint32_t**)aeteptr); |
240 | *tmp = val; |
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241 | *aeteptr = (void*)((unsigned char*)tmp + 4); |
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187 | dmarschall | 242 | } |
243 | #define AETE_WRITE_DWORD(i) _aete_write_dword(&aeteptr, (i)); |
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244 | |||
245 | void _aete_write_pstr(void** aeteptr, char* str) { |
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207 | daniel-mar | 246 | char* tmp; |
187 | dmarschall | 247 | |
207 | daniel-mar | 248 | assert(strlen(str) <= 255); |
187 | dmarschall | 249 | |
207 | daniel-mar | 250 | _aete_write_byte(aeteptr, (uint8_t)strlen(str)); |
187 | dmarschall | 251 | |
207 | daniel-mar | 252 | tmp = *((char**)aeteptr); |
253 | strcpy(tmp, str); |
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254 | *aeteptr = (void*)((unsigned char*)tmp + strlen(str)); |
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187 | dmarschall | 255 | } |
256 | #define AETE_WRITE_PSTR(s) _aete_write_pstr(&aeteptr, (s)); |
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257 | |||
258 | void _aete_align_word(void** aeteptr) { |
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207 | daniel-mar | 259 | #ifdef MAC_ENV |
260 | unsigned char* tmp = *((unsigned char**)aeteptr); |
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261 | tmp += (intptr_t)tmp & 1; |
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262 | *aeteptr = (void*)tmp; |
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263 | #endif |
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187 | dmarschall | 264 | } |
265 | #define AETE_ALIGN_WORD() _aete_align_word(&aeteptr); |
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266 | |||
185 | dmarschall | 267 | void* _aete_property(void* aeteptr, PARM_T *pparm, int ctlidx, int mapidx, OSType key) { |
207 | daniel-mar | 268 | char tmp[256]; |
185 | dmarschall | 269 | |
207 | daniel-mar | 270 | if (pparm->ctl_used[ctlidx] || pparm->map_used[mapidx]) { |
271 | if (pparm->map_used[mapidx]) { |
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272 | if (ctlidx & 1) { |
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273 | sprintf(tmp, "... %s", (char*)pparm->map[mapidx]); |
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274 | } else { |
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275 | sprintf(tmp, "%s ...", (char*)pparm->map[mapidx]); |
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276 | } |
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277 | AETE_WRITE_PSTR(tmp); |
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278 | } else { |
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279 | AETE_WRITE_PSTR((char*)pparm->ctl[ctlidx]); |
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280 | } |
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281 | AETE_ALIGN_WORD(); |
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282 | AETE_WRITE_DWORD(key); |
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283 | AETE_WRITE_DWORD(typeSInt32); |
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284 | AETE_WRITE_PSTR(_strdup("")); |
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285 | AETE_ALIGN_WORD(); |
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286 | AETE_WRITE_WORD(0x8000); /* FLAGS_1_OPT_PARAM / flagsOptionalSingleParameter */ |
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287 | } |
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185 | dmarschall | 288 | |
207 | daniel-mar | 289 | return aeteptr; |
185 | dmarschall | 290 | } |
291 | |||
208 | daniel-mar | 292 | size_t aete_generate(void* aeteptr, PARM_T *pparm, long event_id) { |
207 | daniel-mar | 293 | int numprops; |
294 | void *beginptr = aeteptr; |
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210 | daniel-mar | 295 | |
207 | daniel-mar | 296 | // Attention! |
297 | // - On some systems (e.g. ARM based CPUs) this will cause an unaligned memory access exception. |
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298 | // For X86, memory access just becomes slower. |
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299 | // - If you change something here, please also change it in Scripting.rc (Windows) and scripting.r (Mac OS) |
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184 | dmarschall | 300 | |
207 | daniel-mar | 301 | // Note: |
302 | // - The 'aete' resource for Mac OS has word alignments after strings (but not if the next element is also a string) |
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303 | // see https://developer.apple.com/library/archive/documentation/mac/pdf/Interapplication_Communication/AE_Term_Resources.pdf page 8-9 |
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184 | dmarschall | 304 | |
305 | #ifdef WIN_ENV |
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207 | daniel-mar | 306 | AETE_WRITE_WORD(0x0001); /* Reserved (for Photoshop) */ |
184 | dmarschall | 307 | #endif |
207 | daniel-mar | 308 | AETE_WRITE_BYTE(0x01); /* aete version */ |
309 | AETE_WRITE_BYTE(0x00); /* aete version */ |
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310 | AETE_WRITE_WORD(english); /* language specifiers */ |
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311 | AETE_WRITE_WORD(roman); |
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312 | AETE_WRITE_WORD(1); /* 1 suite */ |
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313 | { |
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314 | AETE_WRITE_PSTR(/*"Telegraphics"*/(char*)pparm->author); /* vendor suite name */ |
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315 | AETE_WRITE_PSTR(_strdup("")); /* optional description */ |
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316 | AETE_ALIGN_WORD(); |
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317 | AETE_WRITE_DWORD(plugInSuiteID); /* suite ID */ |
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318 | AETE_WRITE_WORD(1); /* suite code, must be 1. Attention: Filters like 'Pointillize' have set this to 0! */ |
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319 | AETE_WRITE_WORD(1); /* suite level, must be 1. Attention: Filters like 'Pointillize' have set this to 0! */ |
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320 | AETE_WRITE_WORD(1); /* 1 event (structure for filters) */ |
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321 | { |
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322 | AETE_WRITE_PSTR(/*"FilterFoundry"*/(char*)pparm->title); /* event name */ |
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323 | AETE_WRITE_PSTR(_strdup("")); /* event description */ |
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324 | AETE_ALIGN_WORD(); |
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325 | AETE_WRITE_DWORD(plugInClassID); /* event class */ |
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326 | AETE_WRITE_DWORD(/*plugInEventID*/event_id); /* event ID */ |
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327 | /* NO_REPLY: */ |
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328 | AETE_WRITE_DWORD(noReply); /* noReply='null' */ |
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329 | AETE_WRITE_PSTR(_strdup("")); /* reply description */ |
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330 | AETE_ALIGN_WORD(); |
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331 | AETE_WRITE_WORD(0); |
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332 | /* IMAGE_DIRECT_PARAM: */ |
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333 | AETE_WRITE_DWORD(typeImageReference); /* typeImageReference='#ImR' */ |
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334 | AETE_WRITE_PSTR(_strdup("")); /* direct parm description */ |
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335 | AETE_ALIGN_WORD(); |
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336 | AETE_WRITE_WORD(0xB000); |
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184 | dmarschall | 337 | |
207 | daniel-mar | 338 | numprops = 0; |
339 | if (pparm->ctl_used[0] || pparm->map_used[0]) numprops++; |
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340 | if (pparm->ctl_used[1] || pparm->map_used[0]) numprops++; |
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341 | if (pparm->ctl_used[2] || pparm->map_used[1]) numprops++; |
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342 | if (pparm->ctl_used[3] || pparm->map_used[1]) numprops++; |
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343 | if (pparm->ctl_used[4] || pparm->map_used[2]) numprops++; |
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344 | if (pparm->ctl_used[5] || pparm->map_used[2]) numprops++; |
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345 | if (pparm->ctl_used[6] || pparm->map_used[3]) numprops++; |
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346 | if (pparm->ctl_used[7] || pparm->map_used[3]) numprops++; |
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347 | AETE_WRITE_WORD(numprops); |
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348 | { |
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349 | // Standalone filters don't need RGBA expressions |
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350 | /* |
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351 | AETE_WRITE_PSTR("R"); |
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352 | AETE_ALIGN_WORD(); |
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353 | AETE_WRITE_DWORD(PARAM_R_KEY); |
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354 | AETE_WRITE_DWORD(typeText); |
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355 | AETE_WRITE_PSTR("R channel expression"); |
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356 | AETE_ALIGN_WORD(); |
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357 | AETE_WRITE_WORD(0x8000); |
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184 | dmarschall | 358 | |
207 | daniel-mar | 359 | AETE_WRITE_PSTR("G"); |
360 | AETE_ALIGN_WORD(); |
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361 | AETE_WRITE_DWORD(PARAM_G_KEY); |
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362 | AETE_WRITE_DWORD(typeText); |
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363 | AETE_WRITE_PSTR("G channel expression"); |
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364 | AETE_ALIGN_WORD(); |
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365 | AETE_WRITE_WORD(0x8000); |
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184 | dmarschall | 366 | |
207 | daniel-mar | 367 | AETE_WRITE_PSTR("B"); |
368 | AETE_ALIGN_WORD(); |
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369 | AETE_WRITE_DWORD(PARAM_B_KEY); |
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370 | AETE_WRITE_DWORD(typeText); |
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371 | AETE_WRITE_PSTR("B channel expression"); |
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372 | AETE_ALIGN_WORD(); |
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373 | AETE_WRITE_WORD(0x8000); |
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184 | dmarschall | 374 | |
207 | daniel-mar | 375 | AETE_WRITE_PSTR("A"); |
376 | AETE_ALIGN_WORD(); |
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377 | AETE_WRITE_DWORD(PARAM_A_KEY); |
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378 | AETE_WRITE_DWORD(typeText); |
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379 | AETE_WRITE_PSTR("A channel expression"); |
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380 | AETE_ALIGN_WORD(); |
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381 | AETE_WRITE_WORD(0x8000); |
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382 | */ |
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184 | dmarschall | 383 | |
210 | daniel-mar | 384 | aeteptr = _aete_property(aeteptr, pparm, 0, 0, getAeteKey('0', pparm)); |
385 | aeteptr = _aete_property(aeteptr, pparm, 1, 0, getAeteKey('1', pparm)); |
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386 | aeteptr = _aete_property(aeteptr, pparm, 2, 1, getAeteKey('2', pparm)); |
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387 | aeteptr = _aete_property(aeteptr, pparm, 3, 1, getAeteKey('3', pparm)); |
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388 | aeteptr = _aete_property(aeteptr, pparm, 4, 2, getAeteKey('4', pparm)); |
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389 | aeteptr = _aete_property(aeteptr, pparm, 5, 2, getAeteKey('5', pparm)); |
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390 | aeteptr = _aete_property(aeteptr, pparm, 6, 3, getAeteKey('6', pparm)); |
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391 | aeteptr = _aete_property(aeteptr, pparm, 7, 3, getAeteKey('7', pparm)); |
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207 | daniel-mar | 392 | } |
393 | } |
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184 | dmarschall | 394 | |
207 | daniel-mar | 395 | /* non-filter plug-in class here */ |
396 | AETE_WRITE_WORD(0); /* 0 classes */ |
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397 | {} |
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398 | AETE_WRITE_WORD(0); /* 0 comparison ops (not supported) */ |
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399 | {} |
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400 | AETE_WRITE_WORD(0); /* 0 enumerations */ |
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401 | {} |
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402 | } |
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403 | AETE_WRITE_DWORD(0); /* padding (FIXME: do we need that? Adobe's Windows filters don't) */ |
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184 | dmarschall | 404 | |
207 | daniel-mar | 405 | return (unsigned char*)aeteptr - (unsigned char*)beginptr; // length of stuff written |
184 | dmarschall | 406 | } |
407 | |||
408 | void obfusc(unsigned char *pparm, size_t size) { |
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207 | daniel-mar | 409 | size_t i; |
410 | unsigned char *p; |
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411 | uint32_t x32; |
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184 | dmarschall | 412 | |
207 | daniel-mar | 413 | x32 = 0x95D4A68F; // Hardcoded seed |
414 | for (i = size, p = pparm; i--;) { |
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415 | // https://de.wikipedia.org/wiki/Xorshift |
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416 | x32 ^= x32 << 13; |
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417 | x32 ^= x32 >> 17; |
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418 | x32 ^= x32 << 5; |
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419 | *p++ ^= x32; |
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420 | } |
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184 | dmarschall | 421 | } |
211 | daniel-mar | 422 | |
423 | void deobfusc(unsigned char* pparm, size_t size) { |
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424 | obfusc(pparm, size); |
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425 | } |