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2 | toby | 1 | /* |
18 | toby | 2 | This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
102 | toby | 3 | Copyright (C) 2003-9 Toby Thain, toby@telegraphics.com.au |
2 | toby | 4 | |
5 | This program is free software; you can redistribute it and/or modify |
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103 | toby | 6 | it under the terms of the GNU General Public License as published by |
2 | toby | 7 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
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9 | |||
10 | This program is distributed in the hope that it will be useful, |
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | GNU General Public License for more details. |
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14 | |||
103 | toby | 15 | You should have received a copy of the GNU General Public License |
2 | toby | 16 | along with this program; if not, write to the Free Software |
17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 | */ |
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19 | |||
20 | //#include <stdio.h> |
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21 | //#include <sound.h> |
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22 | |||
23 | #include "ff.h" |
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8 | toby | 24 | |
2 | toby | 25 | #include "node.h" |
8 | toby | 26 | #include "y.tab.h" |
2 | toby | 27 | #include "scripting.h" |
28 | |||
29 | struct node *tree[4]; |
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30 | char *err[4]; |
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94 | toby | 31 | int errpos[4],errstart[4],nplanes,cnvused,chunksize,toprow; |
158 | dmarschall | 32 | value_type slider[8],cell[NUM_CELLS],map[4][0x100]; |
89 | toby | 33 | char *expr[4]; |
106 | dmarschall | 34 | // long maxSpace; |
71 | toby | 35 | globals_t *gdata; |
36 | FilterRecordPtr gpb; |
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2 | toby | 37 | |
38 | #ifdef MAC_ENV |
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62 | toby | 39 | #define hDllInstance NULL /* fake this Windows-only global */ |
2 | toby | 40 | #endif |
41 | |||
42 | extern struct sym_rec predefs[]; |
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71 | toby | 43 | extern int nplanes,varused[]; |
2 | toby | 44 | |
15 | toby | 45 | int checkandinitparams(Handle params); |
2 | toby | 46 | |
102 | toby | 47 | // MPW MrC requires prototype |
103 | toby | 48 | DLLEXPORT MACPASCAL |
102 | toby | 49 | void ENTRYPOINT(short selector,FilterRecordPtr pb,intptr_t *data,short *result); |
50 | |||
103 | toby | 51 | DLLEXPORT MACPASCAL |
102 | toby | 52 | void ENTRYPOINT(short selector, FilterRecordPtr pb, intptr_t *data, short *result){ |
87 | toby | 53 | static Boolean wantdialog = false; |
2 | toby | 54 | OSErr e = noErr; |
87 | toby | 55 | char *reason; |
102 | toby | 56 | |
158 | dmarschall | 57 | #ifdef WIN_ENV |
58 | // For Windows, we use an activation context to enforce that our Manifest resource will |
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59 | // be used. This allows us to use Visual Styles, even if the host application does not |
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60 | // support it. |
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61 | HANDLE hActCtx; |
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62 | ACTCTX actCtx; |
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63 | ULONG_PTR cookie; |
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64 | BOOL activationContextUsed = FALSE; |
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65 | |||
66 | ZeroMemory(&actCtx, sizeof(actCtx)); |
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67 | actCtx.cbSize = sizeof(actCtx); |
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68 | actCtx.hModule = hDllInstance; |
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69 | actCtx.lpResourceName = MAKEINTRESOURCE(1); // ID of manifest resource |
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70 | actCtx.dwFlags = ACTCTX_FLAG_HMODULE_VALID | ACTCTX_FLAG_RESOURCE_NAME_VALID; |
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71 | |||
72 | hActCtx = CreateActCtx(&actCtx); |
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73 | if (hActCtx != INVALID_HANDLE_VALUE) { |
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74 | ActivateActCtx(hActCtx, &cookie); |
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75 | activationContextUsed = TRUE; |
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76 | } |
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77 | #endif |
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78 | |||
105 | toby | 79 | if(selector != filterSelectorAbout && !*data){ |
102 | toby | 80 | BufferID tempId; |
81 | if( (*result = PS_BUFFER_ALLOC(sizeof(globals_t), &tempId)) ) |
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82 | return; |
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103 | toby | 83 | *data = (intptr_t)PS_BUFFER_LOCK(tempId, true); |
84 | gdata = (globals_t*)*data; |
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2 | toby | 85 | gdata->standalone = gdata->parmloaded = false; |
86 | }else |
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87 | gdata = (globals_t*)*data; |
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102 | toby | 88 | |
89 | EnterCodeResource(); |
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90 | |||
91 | gpb = pb; |
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92 | |||
2 | toby | 93 | nplanes = MIN(pb->planes,4); |
94 | |||
95 | switch (selector){ |
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87 | toby | 96 | case filterSelectorAbout: |
102 | toby | 97 | if(gdata && !gdata->parmloaded) |
87 | toby | 98 | gdata->standalone = gdata->parmloaded = readPARMresource(hDllInstance,&reason,1); |
103 | toby | 99 | DoAbout((AboutRecordPtr)pb); |
2 | toby | 100 | break; |
101 | case filterSelectorParameters: |
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15 | toby | 102 | wantdialog = true; |
2 | toby | 103 | break; |
104 | case filterSelectorPrepare: |
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105 | DoPrepare(pb); |
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106 | init_symtab(predefs); // ready for parser calls |
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135 | dmarschall | 107 | init_trigtab(); |
2 | toby | 108 | break; |
89 | toby | 109 | case filterSelectorStart: |
110 | /* initialise the parameter handle that Photoshop keeps for us */ |
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111 | if(!pb->parameters) |
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112 | pb->parameters = PINEWHANDLE(0); |
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2 | toby | 113 | |
15 | toby | 114 | wantdialog |= checkandinitparams(pb->parameters); |
115 | |||
116 | /* wantdialog = false means that we never got a Parameters call, so we're not supposed to ask user */ |
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2 | toby | 117 | if( wantdialog && (!gdata->standalone || gdata->parm.popDialog) ){ |
118 | if( maindialog(pb) ){ |
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15 | toby | 119 | /* update stored parameters from new user settings */ |
2 | toby | 120 | saveparams(pb->parameters); |
121 | }else |
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122 | e = userCanceledErr; |
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123 | } |
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18 | toby | 124 | wantdialog = false; |
2 | toby | 125 | |
126 | if(!e){ |
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127 | if(setup(pb)){ |
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128 | DoStart(pb); |
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129 | }else{ |
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130 | SYSBEEP(1); |
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131 | e = filterBadParameters; |
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132 | } |
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133 | } |
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134 | break; |
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103 | toby | 135 | case filterSelectorContinue: |
136 | e = DoContinue(pb); |
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2 | toby | 137 | break; |
138 | case filterSelectorFinish: |
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139 | DoFinish(pb); |
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140 | break; |
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141 | default: |
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142 | e = filterBadParameters; |
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143 | } |
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103 | toby | 144 | |
2 | toby | 145 | *result = e; |
146 | |||
147 | ExitCodeResource(); |
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158 | dmarschall | 148 | |
149 | #ifdef WIN_ENV |
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150 | if (activationContextUsed) { |
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151 | DeactivateActCtx(0, cookie); |
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152 | ReleaseActCtx(hActCtx); |
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153 | } |
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154 | #endif |
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2 | toby | 155 | } |
156 | |||
15 | toby | 157 | int checkandinitparams(Handle params){ |
158 | char *reasonstr,*reason; |
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21 | toby | 159 | int i,f,showdialog; |
103 | toby | 160 | |
23 | toby | 161 | if( (f = !(params && readparams(params,false,&reasonstr))) ){ |
2 | toby | 162 | /* either the parameter handle was uninitialised, |
163 | or the parameter data couldn't be read; set default values */ |
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164 | |||
89 | toby | 165 | // see if saved parameters exist |
87 | toby | 166 | gdata->standalone = gdata->parmloaded = readPARMresource(hDllInstance,&reason,1); |
89 | toby | 167 | |
87 | toby | 168 | if(!gdata->standalone){ |
21 | toby | 169 | // no saved settings (not standalone) |
85 | toby | 170 | for(i = 0; i < 8; ++i) |
2 | toby | 171 | slider[i] = i*10+100; |
146 | dmarschall | 172 | for(i = 0; i < 4; ++i) |
173 | if(expr[i]) |
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174 | free(expr[i]); |
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89 | toby | 175 | if(gpb->imageMode == plugInModeRGBColor){ |
176 | expr[0] = my_strdup("r"); |
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177 | expr[1] = my_strdup("g"); |
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178 | expr[2] = my_strdup("b"); |
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179 | expr[3] = my_strdup("a"); |
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180 | }else{ |
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181 | expr[0] = my_strdup("c"); |
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182 | expr[1] = my_strdup("c"); |
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183 | expr[2] = my_strdup("c"); |
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184 | expr[3] = my_strdup("c"); |
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185 | } |
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2 | toby | 186 | } |
187 | } |
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103 | toby | 188 | |
89 | toby | 189 | // let scripting system change parameters, if we're scripted; |
103 | toby | 190 | // user may want to force display of dialog during scripting playback |
21 | toby | 191 | showdialog = ReadScriptParamsOnRead(); |
2 | toby | 192 | |
89 | toby | 193 | saveparams(params); |
21 | toby | 194 | return f || showdialog; |
2 | toby | 195 | } |
196 | |||
197 | void DoPrepare(FilterRecordPtr pb){ |
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198 | int i; |
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199 | |||
85 | toby | 200 | for(i = 4; i--;){ |
8 | toby | 201 | if(expr[i]||tree[i]) DBG("expr[] or tree[] non-NULL in Prepare!"); |
2 | toby | 202 | expr[i] = NULL; |
203 | tree[i] = NULL; |
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204 | } |
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106 | dmarschall | 205 | |
206 | // Commented out by DM, 18 Dec 2018: |
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207 | // This code did not work on systems with 8 GB RAM: |
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208 | /* |
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209 | long space = (pb->maxSpace*9)/10; // don't ask for more than 90% of available memory |
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210 | |||
103 | toby | 211 | maxSpace = 512L<<10; // this is a wild guess, actually |
212 | if(maxSpace > space) |
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213 | maxSpace = space; |
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214 | pb->maxSpace = maxSpace; |
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106 | dmarschall | 215 | */ |
216 | |||
217 | // New variant: |
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218 | // TODO: Programmatically test if host supports pb->maxSpace64, and if it does so, use this value instead. |
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219 | pb->maxSpace = ((double)pb->maxSpace/10)*9; // don't ask for more than 90% of available memory |
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2 | toby | 220 | } |
221 | |||
222 | void RequestNext(FilterRecordPtr pb,long toprow){ |
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223 | /* Request next block of the image */ |
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224 | |||
225 | pb->inLoPlane = pb->outLoPlane = 0; |
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226 | pb->inHiPlane = pb->outHiPlane = nplanes-1; |
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227 | |||
66 | toby | 228 | // if any of the formulae involve random access to image pixels, |
89 | toby | 229 | // ask for the entire image |
94 | toby | 230 | if(needall){ |
2 | toby | 231 | SETRECT(pb->inRect,0,0,pb->imageSize.h,pb->imageSize.v); |
232 | }else{ |
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66 | toby | 233 | // otherwise, process the filtered area, by chunksize parts |
2 | toby | 234 | pb->inRect.left = pb->filterRect.left; |
235 | pb->inRect.right = pb->filterRect.right; |
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236 | pb->inRect.top = toprow; |
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237 | pb->inRect.bottom = MIN(toprow + chunksize,pb->filterRect.bottom); |
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103 | toby | 238 | |
71 | toby | 239 | if(cnvused){ |
240 | // cnv() needs one extra pixel in each direction |
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241 | if(pb->inRect.left > 0) |
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242 | --pb->inRect.left; |
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243 | if(pb->inRect.right < pb->imageSize.h) |
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244 | ++pb->inRect.right; |
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245 | if(pb->inRect.top > 0) |
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246 | --pb->inRect.top; |
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247 | if(pb->inRect.bottom < pb->imageSize.v) |
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248 | ++pb->inRect.bottom; |
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249 | } |
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2 | toby | 250 | } |
66 | toby | 251 | pb->outRect = pb->filterRect; |
2 | toby | 252 | /* |
94 | toby | 253 | {char s[0x100];sprintf(s,"RequestNext needall=%d inRect=(%d,%d,%d,%d) filterRect=(%d,%d,%d,%d)", |
103 | toby | 254 | needall, |
2 | toby | 255 | pb->inRect.left,pb->inRect.top,pb->inRect.right,pb->inRect.bottom, |
256 | pb->filterRect.left,pb->filterRect.top,pb->filterRect.right,pb->filterRect.bottom);dbg(s);} |
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257 | */ |
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258 | } |
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259 | |||
260 | void DoStart(FilterRecordPtr pb){ |
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261 | //dbg("DoStart"); |
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262 | /* if src() or rad() functions are used, random access to the image data is required, |
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263 | so we must request the entire image in a single chunk. */ |
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94 | toby | 264 | chunksize = needall ? (pb->filterRect.bottom - pb->filterRect.top) : CHUNK_ROWS; |
2 | toby | 265 | toprow = pb->filterRect.top; |
266 | RequestNext(pb,toprow); |
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267 | } |
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268 | |||
269 | OSErr DoContinue(FilterRecordPtr pb){ |
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270 | OSErr e = noErr; |
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71 | toby | 271 | Rect fr; |
272 | long outoffset; |
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2 | toby | 273 | |
94 | toby | 274 | if(needall) |
71 | toby | 275 | fr = pb->filterRect; // filter whole selection at once |
276 | else if(cnvused){ |
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277 | // we've requested one pixel extra all around |
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278 | // (see RequestNext()), just for access purposes. But filter |
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279 | // original selection only. |
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280 | fr.left = pb->filterRect.left; |
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281 | fr.right = pb->filterRect.right; |
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282 | fr.top = toprow; |
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283 | fr.bottom = MIN(toprow + chunksize,pb->filterRect.bottom); |
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284 | }else // filter whatever portion we've been given |
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285 | fr = pb->inRect; |
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286 | |||
103 | toby | 287 | outoffset = (long)pb->outRowBytes*(fr.top - pb->outRect.top) |
71 | toby | 288 | + (long)nplanes*(fr.left - pb->outRect.left); |
289 | |||
290 | if(!(e = process_scaled(pb, true, &fr, &fr, |
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62 | toby | 291 | (Ptr)pb->outData+outoffset, pb->outRowBytes, 1.))) |
292 | { |
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2 | toby | 293 | toprow += chunksize; |
294 | if(toprow < pb->filterRect.bottom) |
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295 | RequestNext(pb,toprow); |
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296 | else{ |
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297 | SETRECT(pb->inRect,0,0,0,0); |
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298 | pb->outRect = pb->maskRect = pb->inRect; |
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299 | } |
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300 | } |
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301 | return e; |
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302 | } |
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303 | |||
304 | void DoFinish(FilterRecordPtr pb){ |
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305 | int i; |
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89 | toby | 306 | |
2 | toby | 307 | WriteScriptParamsOnRead(); |
308 | |||
85 | toby | 309 | for(i = 4; i--;){ |
2 | toby | 310 | freetree(tree[i]); |
311 | if(expr[i]) free(expr[i]); |
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312 | } |
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313 | } |