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  1. /*
  2.     This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop
  3.     Copyright (C) 2003-6 Toby Thain, toby@telegraphics.com.au
  4.  
  5.     This program is free software; you can redistribute it and/or modify
  6.     it under the terms of the GNU General Public License as published by  
  7.     the Free Software Foundation; either version 2 of the License, or
  8.     (at your option) any later version.
  9.  
  10.     This program is distributed in the hope that it will be useful,
  11.     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13.     GNU General Public License for more details.
  14.  
  15.     You should have received a copy of the GNU General Public License  
  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
  18. */
  19.  
  20. #include "ff.h"
  21.  
  22. #include "file_compat.h"
  23.  
  24. #include <string.h>
  25.  
  26. static int parm_id;
  27.  
  28. // see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/resources/introductiontoresources/resourcereference/resourcefunctions/findresource.asp
  29. static BOOL CALLBACK enumnames(HMODULE hModule,LPCTSTR lpszType,
  30.                                                            LPTSTR lpszName,LONG_PTR lParam)
  31. {
  32.         if(IS_INTRESOURCE(lpszName))
  33.                 parm_id = (int)lpszName;
  34.         return false; // we only want the first one
  35. }
  36.  
  37. Boolean readPARMresource(HMODULE hm,char **reason){
  38.         Boolean res = false;
  39.         HRSRC resinfo;
  40.         HANDLE h;
  41.         Ptr pparm;
  42.        
  43.         parm_id = PARM_ID;
  44.         EnumResourceNames(hm,"PARM",enumnames,0);
  45.        
  46.         // load first PARM resource
  47.         if( (resinfo = FindResource(hm,MAKEINTRESOURCE(parm_id),"PARM"))
  48.          && (h = LoadResource(hm,resinfo))
  49.          && (pparm = LockResource(h)) )
  50.                 res = readPARM(pparm,&gdata->parm,reason,1 /*Windows format resource*/);
  51.  
  52.         return res;
  53. }
  54.  
  55. // see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/loadlibraryex.asp
  56.  
  57. Boolean loadfile(StandardFileReply *sfr,char **reason){
  58.         Boolean readok = false;
  59.         HMODULE hm;
  60.  
  61.         sfr->sfFile.name[*sfr->sfFile.name+1] = 0; // add terminating null
  62.  
  63.         if(sfr->nFileExtension){
  64.                 if(!strcasecmp((char*)sfr->sfFile.name + 1 + sfr->nFileExtension,"8bf")){
  65.                         if( (hm = LoadLibraryEx((char*)sfr->sfFile.name+1,NULL,LOAD_LIBRARY_AS_DATAFILE)) ){
  66.                                 if(readPARMresource(hm,reason)){
  67.                                         if(gdata->parm.iProtected)
  68.                                                 *reason = ("The filter is protected.");
  69.                                         else
  70.                                                 readok = gdata->parmloaded = true;
  71.                                 }else *reason = ("It is not a standalone filter made by Filter Factory/Filter Foundry.");
  72.                                 FreeLibrary(hm);
  73.                         }else{
  74.                                 *reason = "Could not open file (LoadLibrary failed).";
  75.                                 dbglasterror("LoadLibrary");
  76.                         }
  77.                 }else{
  78.                         if( (readok = readfile(sfr,reason)) )
  79.                                 gdata->parmloaded = false;
  80.                 }
  81.         }
  82.  
  83.         return readok;
  84. }
  85.