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