| 1,6 → 1,6 |
|---|
| /* |
| This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
| Copyright (C) 2003-5 Toby Thain, toby@telegraphics.com.au |
| Copyright (C) 2003-6 Toby Thain, toby@telegraphics.com.au |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| 19,41 → 19,91 |
|---|
| |
| #include "ff.h" |
| |
| #include <Endian.h> |
| |
| #include "file_compat.h" |
| |
| Boolean readmacplugin(StandardFileReply *sfr,char **reason); |
| Boolean read8bfplugin(StandardFileReply *sfr,char **reason); |
| |
| Boolean readPARMresource(HMODULE hm,char **reason){ |
| Boolean res = false; |
| Handle h = Get1Resource(PARM_TYPE,PARM_ID); |
| if(h){ |
| HLock(h); |
| res = readPARM(*h,&gdata->parm,reason); |
| res = readPARM(*h, &gdata->parm, reason, 0 /*Mac format resource*/); |
| ReleaseResource(h); |
| } |
| return res; |
| } |
| |
| Boolean readmacplugin(StandardFileReply *sfr,char **reason){ |
| Boolean res = false; |
| short rrn = FSpOpenResFile(&sfr->sfFile,fsRdPerm); |
| |
| if( rrn != -1 ){ |
| if(readPARMresource(NULL,reason)) |
| res = true; |
| CloseResFile(rrn); |
| }else |
| *reason = "Could not open file."; |
| return res; |
| } |
| |
| Boolean read8bfplugin(StandardFileReply *sfr,char **reason){ |
| unsigned char magic[2]; |
| long count; |
| Handle h; |
| Boolean res = false; |
| short refnum; |
| int i; |
| |
| if( ! FSpOpenDF(&sfr->sfFile,fsRdPerm,&refnum) ){ |
| // check DOS EXE magic number |
| count = 2; |
| if(!FSRead(refnum,&count,magic) && magic[0]=='M' && magic[1]=='Z'){ |
| if(!GetEOF(refnum,&count) && count < 256L<<10){ // sanity check file size < 256K |
| if( (h = readfileintohandle(refnum)) ){ |
| long *q = (long*)PILOCKHANDLE(h,false); |
| |
| // look for signature at start of valid PARM resource |
| // The 0x68200000 (= PARM_SIZE as BigEndian, see PARM.h) |
| // is observed in Filter Factory standalones. |
| for( count /= 4 ; count >= PARM_SIZE/4 ; --count, ++q ) |
| if( q[0] == 0x68200000 && q[1] == 0x01000000 |
| && (res = readPARM((char*)q, &gdata->parm, reason, 1 /*Windows format resource*/)) ){ |
| // these are the only numeric fields we *have* to swap |
| // all the rest are flags which (if we're careful) will work in either ordering |
| for(i=0;i<8;++i) |
| slider[i] = EndianS32_LtoN(slider[i]); |
| } |
| |
| PIDISPOSEHANDLE(h); |
| } |
| } |
| } // else no point in proceeding |
| FSClose(refnum); |
| }else |
| *reason = "Could not open file."; |
| return res; |
| } |
| |
| Boolean loadfile(StandardFileReply *sfr,char **reason){ |
| Boolean readok = false; |
| FInfo fndrInfo; |
| short rrn; |
| |
| if(!FSpGetFInfo(&sfr->sfFile,&fndrInfo)) |
| switch(fndrInfo.fdType){ |
| case TEXT_FILETYPE: |
| if(!FSpGetFInfo(&sfr->sfFile,&fndrInfo)){ |
| // first try to read text parameters (AFS, TXT) |
| if( (readok = readfile(sfr,reason)) ) |
| gdata->parmloaded = false; |
| break; |
| case PS_FILTER_FILETYPE: |
| if( (rrn = FSpOpenResFile(&sfr->sfFile,fsRdPerm)) != -1 ){ |
| if(readPARMresource(NULL,reason)){ |
| if(gdata->parm.iProtected) |
| *reason = ("The filter is protected."); |
| else |
| readok = gdata->parmloaded = true; |
| }else *reason = ("It is not a standalone filter made by Filter Factory/Filter Foundry."); |
| CloseResFile(rrn); |
| }else *reason = "Could not open file."; |
| break; |
| // then try plugin formats (Mac first, then Windows .8bf DLL) |
| else if( (readok = readmacplugin(sfr,reason) || read8bfplugin(sfr,reason)) ){ |
| if(gdata->parm.iProtected){ |
| *reason = "The filter is protected."; |
| return false; |
| }else |
| gdata->parmloaded = true; |
| }else *reason = "It is not a text parameter (AFS) file, nor a standalone Mac/PC filter made by Filter Factory/Filter Foundry."; |
| } |
| |
| return readok; |