git.oblomov.eu Git - wine/blob - dlls/user/exticon.c

   1 /*
   2  *      icon extracting
   3  *
   4  * taken and slightly changed from shell
   5  * this should replace the icon extraction code in shell32 and shell16 once
   6  * it needs a serious test for compliance with the native API
   7  */
   8 #include <string.h>
   9 #include <sys/types.h>
  10 #include <unistd.h>
  11 #include "winbase.h"
  12 #include "windef.h"
  13 #include "winerror.h"
  14 #include "wingdi.h"
  15 #include "winuser.h"
  16 #include "neexe.h"
  17 #include "cursoricon.h"
  18 #include "module.h"
  19 #include "heap.h"
  20 #include "debugtools.h"
  21
  22 DEFAULT_DEBUG_CHANNEL(icon)
  23
  24 #include "pshpack1.h"
  25
  26 typedef struct
  27 {
  28     BYTE        bWidth;          /* Width, in pixels, of the image      */
  29     BYTE        bHeight;         /* Height, in pixels, of the image     */
  30     BYTE        bColorCount;     /* Number of colors in image (0 if >=8bpp) */
  31     BYTE        bReserved;       /* Reserved ( must be 0)               */
  32     WORD        wPlanes;         /* Color Planes                        */
  33     WORD        wBitCount;       /* Bits per pixel                      */
  34     DWORD       dwBytesInRes;    /* How many bytes in this resource?    */
  35     DWORD       dwImageOffset;   /* Where in the file is this image?    */
  36 } icoICONDIRENTRY, *LPicoICONDIRENTRY;
  37
  38 typedef struct
  39 {
  40     WORD            idReserved;   /* Reserved (must be 0) */
  41     WORD            idType;       /* Resource Type (RES_ICON or RES_CURSOR) */
  42     WORD            idCount;      /* How many images */
  43     icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
  44 } icoICONDIR, *LPicoICONDIR;
  45
  46 #include "poppack.h"
  47
  48 #if 0
  49 static void dumpIcoDirEnty ( LPicoICONDIRENTRY entry )
  50 {
  51         TRACE("width = 0x%08x height = 0x%08x\n", entry->bWidth, entry->bHeight);
  52         TRACE("colors = 0x%08x planes = 0x%08x\n", entry->bColorCount, entry->wPlanes);
  53         TRACE("bitcount = 0x%08x bytesinres = 0x%08lx offset = 0x%08lx\n",
  54         entry->wBitCount, entry->dwBytesInRes, entry->dwImageOffset);
  55 }
  56 static void dumpIcoDir ( LPicoICONDIR entry )
  57 {
  58         TRACE("type = 0x%08x count = 0x%08x\n", entry->idType, entry->idCount);
  59 }
  60 #endif
  61 /*************************************************************************
  62  *                              USER32_GetResourceTable
  63  */
  64 static DWORD USER32_GetResourceTable(LPBYTE peimage, LPBYTE *retptr)
  65 {
  66         IMAGE_DOS_HEADER        * mz_header;
  67
  68         TRACE("%p %p\n", peimage, retptr);
  69
  70         *retptr = NULL;
  71
  72         mz_header = (IMAGE_DOS_HEADER*) peimage;
  73
  74         if (mz_header->e_magic != IMAGE_DOS_SIGNATURE)
  75         {
  76           if (mz_header->e_cblp == 1)   /* .ICO file ? */
  77           {
  78             *retptr = (LPBYTE)-1;       /* ICONHEADER.idType, must be 1 */
  79             return 1;
  80           }
  81           else
  82             return 0; /* failed */
  83         }
  84
  85         if (*((DWORD*)(peimage + mz_header->e_lfanew)) == IMAGE_NT_SIGNATURE )
  86           return IMAGE_NT_SIGNATURE;
  87
  88         if (*((WORD*)(peimage + mz_header->e_lfanew)) == IMAGE_OS2_SIGNATURE )
  89         {
  90           IMAGE_OS2_HEADER      * ne_header;
  91
  92           ne_header = (IMAGE_OS2_HEADER*)(peimage + mz_header->e_lfanew);
  93
  94           if (ne_header->ne_magic != IMAGE_OS2_SIGNATURE)
  95             return 0;
  96
  97           if( (ne_header->ne_restab - ne_header->ne_rsrctab) <= sizeof(NE_TYPEINFO) )
  98             *retptr = (LPBYTE)-1;
  99           else
 100             *retptr = peimage + mz_header->e_lfanew + ne_header->ne_rsrctab;
 101
 102           return IMAGE_OS2_SIGNATURE;
 103         }
 104         return 0; /* failed */
 105 }
 106 /*************************************************************************
 107  *                      USER32_LoadResource
 108  */
 109 static BYTE * USER32_LoadResource( LPBYTE peimage, NE_NAMEINFO* pNInfo, WORD sizeShift, ULONG *uSize)
 110 {
 111         TRACE("%p %p 0x%08x\n", peimage, pNInfo, sizeShift);
 112
 113         *uSize = (DWORD)pNInfo->length << sizeShift;
 114         return peimage + ((DWORD)pNInfo->offset << sizeShift);
 115 }
 116
 117 /*************************************************************************
 118  *                      ICO_LoadIcon
 119  */
 120 static BYTE * ICO_LoadIcon( LPBYTE peimage, LPicoICONDIRENTRY lpiIDE, ULONG *uSize)
 121 {
 122         TRACE("%p %p\n", peimage, lpiIDE);
 123
 124         *uSize = lpiIDE->dwBytesInRes;
 125         return peimage + lpiIDE->dwImageOffset;
 126 }
 127
 128 /*************************************************************************
 129  *                      ICO_GetIconDirectory
 130  *
 131  * Reads .ico file and build phony ICONDIR struct
 132  * see http://www.microsoft.com/win32dev/ui/icons.htm
 133  */
 134 #define HEADER_SIZE             (sizeof(CURSORICONDIR) - sizeof (CURSORICONDIRENTRY))
 135 #define HEADER_SIZE_FILE        (sizeof(icoICONDIR) - sizeof (icoICONDIRENTRY))
 136
 137 static BYTE * ICO_GetIconDirectory( LPBYTE peimage, LPicoICONDIR* lplpiID, ULONG *uSize )
 138 {
 139         CURSORICONDIR   * lpcid;        /* icon resource in resource-dir format */
 140         CURSORICONDIR   * lpID;         /* icon resource in resource format */
 141         int             i;
 142
 143         TRACE("%p %p\n", peimage, lplpiID);
 144
 145         lpcid = (CURSORICONDIR*)peimage;
 146
 147         if( lpcid->idReserved || (lpcid->idType != 1) || (!lpcid->idCount) )
 148           return 0;
 149
 150         /* allocate the phony ICONDIR structure */
 151         *uSize = lpcid->idCount * sizeof(CURSORICONDIRENTRY) + HEADER_SIZE;
 152         if( (lpID = (CURSORICONDIR*)HeapAlloc(GetProcessHeap(),0, *uSize) ))
 153         {
 154           /* copy the header */
 155           lpID->idReserved = lpcid->idReserved;
 156           lpID->idType = lpcid->idType;
 157           lpID->idCount = lpcid->idCount;
 158
 159           /* copy the entrys */
 160           for( i=0; i < lpcid->idCount; i++ )
 161           {
 162             memcpy((void*)&(lpID->idEntries[i]),(void*)&(lpcid->idEntries[i]), sizeof(CURSORICONDIRENTRY) - 2);
 163             lpID->idEntries[i].wResId = i;
 164           }
 165
 166           *lplpiID = (LPicoICONDIR)peimage;
 167           return (BYTE *)lpID;
 168         }
 169         return 0;
 170 }
 171
 172 /*************************************************************************
 173  *      ICO_ExtractIconExW              [internal]
 174  *
 175  * NOTES
 176  *  nIcons = 0: returns number of Icons in file
 177  *
 178  * returns
 179  *  failure:0; success: icon handle or nr of icons (nIconIndex-1)
 180  */
 181 static HRESULT ICO_ExtractIconExW(
 182         LPCWSTR lpszExeFileName,
 183         HICON * RetPtr,
 184         INT nIconIndex,
 185         UINT nIcons,
 186         UINT cxDesired,
 187         UINT cyDesired )
 188 {
 189         HGLOBAL         hRet = E_FAIL;
 190         LPBYTE          pData;
 191         DWORD           sig;
 192         HFILE           hFile;
 193         UINT16          iconDirCount = 0,iconCount = 0;
 194         LPBYTE          peimage;
 195         HANDLE          fmapping;
 196         ULONG           uSize;
 197
 198         TRACE("(file %s,start %d,extract %d\n", debugstr_w(lpszExeFileName), nIconIndex, nIcons);
 199
 200         hFile = CreateFileW( lpszExeFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, -1 );
 201         if (hFile == INVALID_HANDLE_VALUE) return hRet;
 202
 203         /* Map the file */
 204         fmapping = CreateFileMappingA( hFile, NULL, PAGE_READONLY | SEC_COMMIT, 0, 0, NULL );
 205         CloseHandle( hFile );
 206         if (!fmapping)
 207         {
 208           WARN("CreateFileMapping error %ld\n", GetLastError() );
 209           return hRet;
 210         }
 211
 212         if ( !(peimage = MapViewOfFile(fmapping,FILE_MAP_READ,0,0,0)))
 213         {
 214           WARN("MapViewOfFile error %ld\n", GetLastError() );
 215           CloseHandle( fmapping );
 216           return hRet;
 217         }
 218         CloseHandle( fmapping );
 219
 220         sig = USER32_GetResourceTable(peimage,&pData);
 221
 222 /* ico file */
 223         if( sig==IMAGE_OS2_SIGNATURE || sig==1 ) /* .ICO file */
 224         {
 225           BYTE          *pCIDir = 0;
 226           NE_TYPEINFO   *pTInfo = (NE_TYPEINFO*)(pData + 2);
 227           NE_NAMEINFO   *pIconStorage = NULL;
 228           NE_NAMEINFO   *pIconDir = NULL;
 229           LPicoICONDIR  lpiID = NULL;
 230
 231           TRACE("-- OS2/icon Signature (0x%08lx)\n", sig);
 232
 233           if( pData == (BYTE*)-1 )
 234           {
 235             /* FIXME: pCIDir is allocated on the heap - memory leak */
 236             pCIDir = ICO_GetIconDirectory(peimage, &lpiID, &uSize);     /* check for .ICO file */
 237             if( pCIDir )
 238             {
 239               iconDirCount = 1; iconCount = lpiID->idCount;
 240               TRACE("-- icon found %p 0x%08lx 0x%08x 0x%08x\n", pCIDir, uSize, iconDirCount, iconCount);
 241             }
 242           }
 243           else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
 244           {
 245             if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON )      /* find icon directory and icon repository */
 246             {
 247               iconDirCount = pTInfo->count;
 248               pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
 249               TRACE("\tfound directory - %i icon families\n", iconDirCount);
 250             }
 251             if( pTInfo->type_id == NE_RSCTYPE_ICON )
 252             {
 253               iconCount = pTInfo->count;
 254               pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
 255               TRACE("\ttotal icons - %i\n", iconCount);
 256             }
 257             pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
 258           }
 259
 260           if( (pIconStorage && pIconDir) || lpiID )       /* load resources and create icons */
 261           {
 262             if( nIcons == 0 )
 263             {
 264               hRet = iconDirCount;
 265             }
 266             else if( nIconIndex < iconDirCount )
 267             {
 268               UINT16   i, icon;
 269               if( nIcons > iconDirCount - nIconIndex )
 270                 nIcons = iconDirCount - nIconIndex;
 271
 272               for( i = nIconIndex; i < nIconIndex + nIcons; i++ )
 273               {
 274                 /* .ICO files have only one icon directory */
 275                 if( lpiID == NULL )     /* *.ico */
 276                   pCIDir = USER32_LoadResource( peimage, pIconDir + i, *(WORD*)pData, &uSize );
 277                 RetPtr[i-nIconIndex] = LookupIconIdFromDirectoryEx( pCIDir, TRUE, cxDesired, cyDesired, 0);
 278               }
 279
 280               for( icon = nIconIndex; icon < nIconIndex + nIcons; icon++ )
 281               {
 282                 pCIDir = NULL;
 283                 if( lpiID )
 284                   pCIDir = ICO_LoadIcon( peimage, lpiID->idEntries + RetPtr[icon-nIconIndex], &uSize);
 285                 else
 286                   for( i = 0; i < iconCount; i++ )
 287                     if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
 288                       pCIDir = USER32_LoadResource( peimage, pIconStorage + i,*(WORD*)pData, &uSize );
 289
 290                 if( pCIDir )
 291                   RetPtr[icon-nIconIndex] = (HICON) CreateIconFromResourceEx(pCIDir,uSize,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 292                 else
 293                   RetPtr[icon-nIconIndex] = 0;
 294               }
 295               hRet = S_OK;
 296             }
 297           }
 298         }
 299 /* end ico file */
 300
 301 /* exe/dll */
 302         else if( sig == IMAGE_NT_SIGNATURE )
 303         {
 304           LPBYTE                idata,igdata;
 305           PIMAGE_DOS_HEADER     dheader;
 306           PIMAGE_NT_HEADERS     pe_header;
 307           PIMAGE_SECTION_HEADER pe_sections;
 308           const IMAGE_RESOURCE_DIRECTORY *rootresdir,*iconresdir,*icongroupresdir;
 309           const IMAGE_RESOURCE_DATA_ENTRY *idataent,*igdataent;
 310           const IMAGE_RESOURCE_DIRECTORY_ENTRY *xresent;
 311           int                   i,j;
 312
 313           dheader = (PIMAGE_DOS_HEADER)peimage;
 314           pe_header = (PIMAGE_NT_HEADERS)(peimage+dheader->e_lfanew);     /* it is a pe header, USER32_GetResourceTable checked that */
 315           pe_sections = (PIMAGE_SECTION_HEADER)(((char*)pe_header)+sizeof(*pe_header)); /* probably makes problems with short PE headers...*/
 316           rootresdir = NULL;
 317
 318           /* search for the root resource directory */
 319           for (i=0;i<pe_header->FileHeader.NumberOfSections;i++)
 320           {
 321             if (pe_sections[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
 322               continue;
 323             /* FIXME: doesn't work when the resources are not in a seperate section */
 324             if (pe_sections[i].VirtualAddress == pe_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress)
 325             {
 326               rootresdir = (PIMAGE_RESOURCE_DIRECTORY)(peimage+pe_sections[i].PointerToRawData);
 327               break;
 328             }
 329           }
 330
 331           if (!rootresdir)
 332           {
 333             WARN("haven't found section for resource directory.\n");
 334             goto end;           /* failure */
 335           }
 336
 337           /* search for the group icon directory */
 338           if (!(icongroupresdir = GetResDirEntryW(rootresdir, RT_GROUP_ICONW, rootresdir, FALSE)))
 339           {
 340             WARN("No Icongroupresourcedirectory!\n");
 341             goto end;           /* failure */
 342           }
 343           iconDirCount = icongroupresdir->NumberOfNamedEntries + icongroupresdir->NumberOfIdEntries;
 344
 345           /* only number of icons requested */
 346           if( nIcons == 0 )
 347           {
 348             hRet = iconDirCount;
 349             goto end;           /* success */
 350           }
 351
 352           if( nIconIndex < 0 )
 353           {
 354             /* search resource id */
 355             int n = 0;
 356             int iId = abs(nIconIndex);
 357             PIMAGE_RESOURCE_DIRECTORY_ENTRY xprdeTmp = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1);
 358
 359             while(n<iconDirCount && xprdeTmp)
 360             {
 361               if(xprdeTmp->u1.Id ==  iId)
 362               {
 363                   nIconIndex = n;
 364                   break;
 365               }
 366               n++;
 367               xprdeTmp++;
 368             }
 369             if (nIconIndex < 0)
 370             {
 371               WARN("resource id %d not found\n", iId);
 372               goto end;         /* failure */
 373             }
 374           }
 375           else
 376           {
 377             /* check nIconIndex to be in range */
 378             if (nIconIndex >= iconDirCount)
 379             {
 380               WARN("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
 381               goto end;         /* failure */
 382             }
 383           }
 384
 385           /* assure we don't get too much */
 386           if( nIcons > iconDirCount - nIconIndex )
 387             nIcons = iconDirCount - nIconIndex;
 388
 389           /* starting from specified index */
 390           xresent = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1) + nIconIndex;
 391
 392           for (i=0; i < nIcons; i++,xresent++)
 393           {
 394               const IMAGE_RESOURCE_DIRECTORY *resdir;
 395
 396             /* go down this resource entry, name */
 397             resdir = (PIMAGE_RESOURCE_DIRECTORY)((DWORD)rootresdir+(xresent->u2.s.OffsetToDirectory));
 398
 399             /* default language (0) */
 400             resdir = GetResDirEntryW(resdir,(LPWSTR)0,rootresdir,TRUE);
 401             igdataent = (PIMAGE_RESOURCE_DATA_ENTRY)resdir;
 402
 403             /* lookup address in mapped image for virtual address */
 404             igdata = NULL;
 405
 406             for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
 407             {
 408               if (igdataent->OffsetToData < pe_sections[j].VirtualAddress)
 409                 continue;
 410               if (igdataent->OffsetToData+igdataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
 411                 continue;
 412               igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
 413             }
 414
 415             if (!igdata)
 416             {
 417               WARN("no matching real address for icongroup!\n");
 418               goto end; /* failure */
 419             }
 420             RetPtr[i] = (HICON)LookupIconIdFromDirectoryEx(igdata, TRUE, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 421           }
 422
 423           if (!(iconresdir=GetResDirEntryW(rootresdir,RT_ICONW,rootresdir,FALSE)))
 424           {
 425             WARN("No Iconresourcedirectory!\n");
 426             goto end;           /* failure */
 427           }
 428
 429           for (i=0; i<nIcons; i++)
 430           {
 431               const IMAGE_RESOURCE_DIRECTORY *xresdir;
 432             xresdir = GetResDirEntryW(iconresdir,(LPWSTR)(DWORD)RetPtr[i],rootresdir,FALSE);
 433             xresdir = GetResDirEntryW(xresdir,(LPWSTR)0,rootresdir,TRUE);
 434             idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir;
 435             idata = NULL;
 436
 437             /* map virtual to address in image */
 438             for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
 439             {
 440               if (idataent->OffsetToData < pe_sections[j].VirtualAddress)
 441                 continue;
 442               if (idataent->OffsetToData+idataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
 443                 continue;
 444               idata = peimage+(idataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
 445             }
 446             if (!idata)
 447             {
 448               WARN("no matching real address found for icondata!\n");
 449               RetPtr[i]=0;
 450               continue;
 451             }
 452             RetPtr[i] = (HICON) CreateIconFromResourceEx(idata,idataent->Size,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 453           }
 454           hRet = S_OK;  /* return first icon */
 455         }                       /* if(sig == IMAGE_NT_SIGNATURE) */
 456
 457 end:    UnmapViewOfFile(peimage);       /* success */
 458         return hRet;
 459 }
 460
 461 /***********************************************************************
 462  *           PrivateExtractIconsW                       [USER32.@]
 463  *
 464  * NOTES
 465  *  nIndex = 1: a small and a large icon are extracted.
 466  *  the higher word of sizeXY contains the size of the small icon, the lower
 467  *  word the size of the big icon. phicon points to HICON[2].
 468  *
 469  * RETURNS
 470  *  nIcons > 0: HRESULT
 471  *  nIcons = 0: the number of icons
 472  */
 473
 474 HRESULT WINAPI PrivateExtractIconsW (
 475         LPCWSTR lpwstrFile,
 476         int nIndex,
 477         DWORD sizeX,
 478         DWORD sizeY,
 479         HICON * phicon, /* HICON* */
 480         DWORD w,        /* 0 */
 481         UINT nIcons,
 482         DWORD y )       /* 0x80 maybe LR_* constant */
 483 {
 484         DWORD ret;
 485         TRACE("%s 0x%08x 0x%08lx 0x%08lx %p 0x%08lx 0x%08x 0x%08lx stub\n",
 486         debugstr_w(lpwstrFile),nIndex, sizeX ,sizeY ,phicon,w,nIcons,y );
 487
 488
 489         if ((nIcons == 2) && HIWORD(sizeX) && HIWORD(sizeY))
 490         {
 491           ret = ICO_ExtractIconExW(lpwstrFile, phicon, nIndex, 1, sizeX & 0xffff, sizeY & 0xffff );
 492           if (!SUCCEEDED(ret)) return ret;
 493           ret = ICO_ExtractIconExW(lpwstrFile, phicon+1, nIndex, 1, (sizeX>>16) & 0xffff, (sizeY>>16) & 0xffff );
 494         }
 495         else
 496         {
 497           ret = ICO_ExtractIconExW(lpwstrFile, phicon, nIndex, nIcons, sizeX & 0xffff, sizeY & 0xffff );
 498         }
 499
 500         FIXME_(icon)("hicon=%08x ret=0x%08lx\n", *phicon, ret);
 501
 502         return ret;
 503 }
 504
 505 /***********************************************************************
 506  *           PrivateExtractIconsA                       [USER32.@]
 507  */
 508
 509 HRESULT WINAPI PrivateExtractIconsA (
 510         LPCSTR lpstrFile,
 511         INT nIndex,
 512         DWORD sizeX,
 513         DWORD sizeY,
 514         HICON * phicon,
 515         DWORD w,        /* 0 */
 516         UINT  nIcons,
 517         DWORD y )       /* 0x80 */
 518 {
 519         DWORD ret;
 520         LPWSTR lpwstrFile = HEAP_strdupAtoW(GetProcessHeap(), 0, lpstrFile);
 521
 522         FIXME_(icon)("%s 0x%08x 0x%08lx 0x%08lx %p 0x%08lx 0x%08x 0x%08lx stub\n",
 523         lpstrFile, nIndex, sizeX, sizeY, phicon, w, nIcons, y );
 524
 525         ret = PrivateExtractIconsW(lpwstrFile, nIndex, sizeX, sizeY, phicon, w, nIcons, y);
 526
 527         FIXME_(icon)("hicon=%08x ret=0x%08lx\n", *phicon, ret);
 528
 529         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 530         return ret;
 531 }
 532
 533 /***********************************************************************
 534  *           PrivateExtractIconExW                      [USER32.443]
 535  * NOTES
 536  *  if nIcons = -1 it returns the number of icons in any case !!!
 537  */
 538 HRESULT WINAPI PrivateExtractIconExW (
 539         LPCWSTR lpwstrFile,
 540         DWORD nIndex,
 541         HICON * phIconLarge,
 542         HICON * phIconSmall,
 543         UINT nIcons )
 544 {
 545         DWORD cyicon, cysmicon, cxicon, cxsmicon;
 546         HRESULT ret = 0;
 547
 548         TRACE("%s 0x%08lx %p %p 0x%08x\n",
 549         debugstr_w(lpwstrFile),nIndex,phIconLarge, phIconSmall, nIcons);
 550
 551         if (nIndex == 1 && phIconSmall && phIconLarge)
 552         {
 553           HICON hIcon[2];
 554           cxicon = GetSystemMetrics(SM_CXICON);
 555           cyicon = GetSystemMetrics(SM_CYICON);
 556           cxsmicon = GetSystemMetrics(SM_CXSMICON);
 557           cysmicon = GetSystemMetrics(SM_CYSMICON);
 558
 559           ret = PrivateExtractIconsW ( lpwstrFile, nIndex, cxicon | (cxsmicon<<16),  cyicon | (cysmicon<<16),
 560           (HICON*) &hIcon, 0, 2, 0 );
 561           *phIconLarge = hIcon[0];
 562           *phIconSmall = hIcon[1];
 563           return ret;
 564         }
 565
 566         if (nIndex != -1)
 567         {
 568           if (phIconSmall)
 569           {
 570             /* extract n small icons */
 571             cxsmicon = GetSystemMetrics(SM_CXSMICON);
 572             cysmicon = GetSystemMetrics(SM_CYSMICON);
 573             ret = PrivateExtractIconsW ( lpwstrFile, nIndex, cxsmicon, cysmicon, phIconSmall, 0, nIcons, 0 );
 574           }
 575           if (phIconLarge )
 576           {
 577             /* extract n large icons */
 578             cxicon = GetSystemMetrics(SM_CXICON);
 579             cyicon = GetSystemMetrics(SM_CYICON);
 580             ret = PrivateExtractIconsW ( lpwstrFile, nIndex, cxicon, cyicon, phIconLarge, 0, nIcons, 0 );
 581           }
 582           return ret;
 583         }
 584
 585         /* get the number of icons */
 586         return PrivateExtractIconsW ( lpwstrFile, 0, 0, 0, 0, 0, 0, 0 );
 587 }
 588
 589 /***********************************************************************
 590  *           PrivateExtractIconExA                      [USER32.442]
 591  */
 592 HRESULT WINAPI PrivateExtractIconExA (
 593         LPCSTR lpstrFile,
 594         DWORD nIndex,
 595         HICON * phIconLarge,
 596         HICON * phIconSmall,
 597         UINT nIcons )
 598 {
 599         DWORD ret;
 600         LPWSTR lpwstrFile = HEAP_strdupAtoW(GetProcessHeap(), 0, lpstrFile);
 601
 602         TRACE("%s 0x%08lx %p %p 0x%08x\n",
 603         lpstrFile, nIndex, phIconLarge, phIconSmall, nIcons);
 604
 605         ret = PrivateExtractIconExW(lpwstrFile,nIndex,phIconLarge, phIconSmall, nIcons);
 606
 607         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 608         return ret;
 609 }
 610