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
   9 #include "config.h"
  10
  11 #include <string.h>
  12 #include <stdlib.h>     /* abs() */
  13 #include <sys/types.h>
  14 #include <unistd.h>
  15
  16 #include "winbase.h"
  17 #include "windef.h"
  18 #include "winerror.h"
  19 #include "wingdi.h"
  20 #include "winuser.h"
  21 #include "wine/winbase16.h"
  22 #include "cursoricon.h"
  23 #include "heap.h"
  24 #include "debugtools.h"
  25
  26 DEFAULT_DEBUG_CHANNEL(icon);
  27
  28 #include "pshpack1.h"
  29
  30 typedef struct
  31 {
  32     BYTE        bWidth;          /* Width, in pixels, of the image      */
  33     BYTE        bHeight;         /* Height, in pixels, of the image     */
  34     BYTE        bColorCount;     /* Number of colors in image (0 if >=8bpp) */
  35     BYTE        bReserved;       /* Reserved ( must be 0)               */
  36     WORD        wPlanes;         /* Color Planes                        */
  37     WORD        wBitCount;       /* Bits per pixel                      */
  38     DWORD       dwBytesInRes;    /* How many bytes in this resource?    */
  39     DWORD       dwImageOffset;   /* Where in the file is this image?    */
  40 } icoICONDIRENTRY, *LPicoICONDIRENTRY;
  41
  42 typedef struct
  43 {
  44     WORD            idReserved;   /* Reserved (must be 0) */
  45     WORD            idType;       /* Resource Type (RES_ICON or RES_CURSOR) */
  46     WORD            idCount;      /* How many images */
  47     icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
  48 } icoICONDIR, *LPicoICONDIR;
  49
  50 #include "poppack.h"
  51
  52 #if 0
  53 static void dumpIcoDirEnty ( LPicoICONDIRENTRY entry )
  54 {
  55         TRACE("width = 0x%08x height = 0x%08x\n", entry->bWidth, entry->bHeight);
  56         TRACE("colors = 0x%08x planes = 0x%08x\n", entry->bColorCount, entry->wPlanes);
  57         TRACE("bitcount = 0x%08x bytesinres = 0x%08lx offset = 0x%08lx\n",
  58         entry->wBitCount, entry->dwBytesInRes, entry->dwImageOffset);
  59 }
  60 static void dumpIcoDir ( LPicoICONDIR entry )
  61 {
  62         TRACE("type = 0x%08x count = 0x%08x\n", entry->idType, entry->idCount);
  63 }
  64 #endif
  65
  66 /**********************************************************************
  67  *  find_entry_by_id
  68  *
  69  * Find an entry by id in a resource directory
  70  * Copied from loader/pe_resource.c (FIXME: should use exported resource functions)
  71  */
  72 static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_id( const IMAGE_RESOURCE_DIRECTORY *dir,
  73                                                          WORD id, const void *root )
  74 {
  75     const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
  76     int min, max, pos;
  77
  78     entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
  79     min = dir->NumberOfNamedEntries;
  80     max = min + dir->NumberOfIdEntries - 1;
  81     while (min <= max)
  82     {
  83         pos = (min + max) / 2;
  84         if (entry[pos].u1.s2.Id == id)
  85             return (IMAGE_RESOURCE_DIRECTORY *)((char *)root + entry[pos].u2.s3.OffsetToDirectory);
  86         if (entry[pos].u1.s2.Id > id) max = pos - 1;
  87         else min = pos + 1;
  88     }
  89     return NULL;
  90 }
  91
  92 /**********************************************************************
  93  *  find_entry_default
  94  *
  95  * Find a default entry in a resource directory
  96  * Copied from loader/pe_resource.c (FIXME: should use exported resource functions)
  97  */
  98 static const IMAGE_RESOURCE_DIRECTORY *find_entry_default( const IMAGE_RESOURCE_DIRECTORY *dir,
  99                                                            const void *root )
 100 {
 101     const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
 102     entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
 103     return (IMAGE_RESOURCE_DIRECTORY *)((char *)root + entry->u2.s3.OffsetToDirectory);
 104 }
 105
 106 /*************************************************************************
 107  *                              USER32_GetResourceTable
 108  */
 109 static DWORD USER32_GetResourceTable(LPBYTE peimage,DWORD pesize,LPBYTE *retptr)
 110 {
 111         IMAGE_DOS_HEADER        * mz_header;
 112
 113         TRACE("%p %p\n", peimage, retptr);
 114
 115         *retptr = NULL;
 116
 117         mz_header = (IMAGE_DOS_HEADER*) peimage;
 118
 119         if (mz_header->e_magic != IMAGE_DOS_SIGNATURE)
 120         {
 121           if (mz_header->e_cblp == 1)   /* .ICO file ? */
 122           {
 123             *retptr = (LPBYTE)-1;       /* ICONHEADER.idType, must be 1 */
 124             return 1;
 125           }
 126           else
 127             return 0; /* failed */
 128         }
 129         if (mz_header->e_lfanew >= pesize) {
 130             return 0; /* failed, happens with PKZIP DOS Exes for instance. */
 131         }
 132         if (*((DWORD*)(peimage + mz_header->e_lfanew)) == IMAGE_NT_SIGNATURE )
 133           return IMAGE_NT_SIGNATURE;
 134
 135         if (*((WORD*)(peimage + mz_header->e_lfanew)) == IMAGE_OS2_SIGNATURE )
 136         {
 137           IMAGE_OS2_HEADER      * ne_header;
 138
 139           ne_header = (IMAGE_OS2_HEADER*)(peimage + mz_header->e_lfanew);
 140
 141           if (ne_header->ne_magic != IMAGE_OS2_SIGNATURE)
 142             return 0;
 143
 144           if( (ne_header->ne_restab - ne_header->ne_rsrctab) <= sizeof(NE_TYPEINFO) )
 145             *retptr = (LPBYTE)-1;
 146           else
 147             *retptr = peimage + mz_header->e_lfanew + ne_header->ne_rsrctab;
 148
 149           return IMAGE_OS2_SIGNATURE;
 150         }
 151         return 0; /* failed */
 152 }
 153 /*************************************************************************
 154  *                      USER32_LoadResource
 155  */
 156 static BYTE * USER32_LoadResource( LPBYTE peimage, NE_NAMEINFO* pNInfo, WORD sizeShift, ULONG *uSize)
 157 {
 158         TRACE("%p %p 0x%08x\n", peimage, pNInfo, sizeShift);
 159
 160         *uSize = (DWORD)pNInfo->length << sizeShift;
 161         return peimage + ((DWORD)pNInfo->offset << sizeShift);
 162 }
 163
 164 /*************************************************************************
 165  *                      ICO_LoadIcon
 166  */
 167 static BYTE * ICO_LoadIcon( LPBYTE peimage, LPicoICONDIRENTRY lpiIDE, ULONG *uSize)
 168 {
 169         TRACE("%p %p\n", peimage, lpiIDE);
 170
 171         *uSize = lpiIDE->dwBytesInRes;
 172         return peimage + lpiIDE->dwImageOffset;
 173 }
 174
 175 /*************************************************************************
 176  *                      ICO_GetIconDirectory
 177  *
 178  * Reads .ico file and build phony ICONDIR struct
 179  * see http://www.microsoft.com/win32dev/ui/icons.htm
 180  */
 181 #define HEADER_SIZE             (sizeof(CURSORICONDIR) - sizeof (CURSORICONDIRENTRY))
 182 #define HEADER_SIZE_FILE        (sizeof(icoICONDIR) - sizeof (icoICONDIRENTRY))
 183
 184 static BYTE * ICO_GetIconDirectory( LPBYTE peimage, LPicoICONDIR* lplpiID, ULONG *uSize )
 185 {
 186         CURSORICONDIR   * lpcid;        /* icon resource in resource-dir format */
 187         CURSORICONDIR   * lpID;         /* icon resource in resource format */
 188         int             i;
 189
 190         TRACE("%p %p\n", peimage, lplpiID);
 191
 192         lpcid = (CURSORICONDIR*)peimage;
 193
 194         if( lpcid->idReserved || (lpcid->idType != 1) || (!lpcid->idCount) )
 195           return 0;
 196
 197         /* allocate the phony ICONDIR structure */
 198         *uSize = lpcid->idCount * sizeof(CURSORICONDIRENTRY) + HEADER_SIZE;
 199         if( (lpID = (CURSORICONDIR*)HeapAlloc(GetProcessHeap(),0, *uSize) ))
 200         {
 201           /* copy the header */
 202           lpID->idReserved = lpcid->idReserved;
 203           lpID->idType = lpcid->idType;
 204           lpID->idCount = lpcid->idCount;
 205
 206           /* copy the entrys */
 207           for( i=0; i < lpcid->idCount; i++ )
 208           {
 209             memcpy((void*)&(lpID->idEntries[i]),(void*)&(lpcid->idEntries[i]), sizeof(CURSORICONDIRENTRY) - 2);
 210             lpID->idEntries[i].wResId = i;
 211           }
 212
 213           *lplpiID = (LPicoICONDIR)peimage;
 214           return (BYTE *)lpID;
 215         }
 216         return 0;
 217 }
 218
 219 /*************************************************************************
 220  *      ICO_ExtractIconExW              [internal]
 221  *
 222  * NOTES
 223  *  nIcons = 0: returns number of Icons in file
 224  *
 225  * returns
 226  *  failure:0; success: icon handle or nr of icons (nIconIndex-1)
 227  */
 228 static HRESULT ICO_ExtractIconExW(
 229         LPCWSTR lpszExeFileName,
 230         HICON * RetPtr,
 231         INT nIconIndex,
 232         UINT nIcons,
 233         UINT cxDesired,
 234         UINT cyDesired )
 235 {
 236         HGLOBAL         hRet = E_FAIL;
 237         LPBYTE          pData;
 238         DWORD           sig;
 239         HFILE           hFile;
 240         UINT16          iconDirCount = 0,iconCount = 0;
 241         LPBYTE          peimage;
 242         HANDLE          fmapping;
 243         ULONG           uSize;
 244         DWORD           fsizeh,fsizel;
 245
 246         TRACE("(file %s,start %d,extract %d\n", debugstr_w(lpszExeFileName), nIconIndex, nIcons);
 247
 248         hFile = CreateFileW( lpszExeFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0 );
 249         if (hFile == INVALID_HANDLE_VALUE) return hRet;
 250         fsizel = GetFileSize(hFile,&fsizeh);
 251
 252         /* Map the file */
 253         fmapping = CreateFileMappingA( hFile, NULL, PAGE_READONLY | SEC_COMMIT, 0, 0, NULL );
 254         CloseHandle( hFile );
 255         if (!fmapping)
 256         {
 257           WARN("CreateFileMapping error %ld\n", GetLastError() );
 258           return hRet;
 259         }
 260
 261         if ( !(peimage = MapViewOfFile(fmapping,FILE_MAP_READ,0,0,0)))
 262         {
 263           WARN("MapViewOfFile error %ld\n", GetLastError() );
 264           CloseHandle( fmapping );
 265           return hRet;
 266         }
 267         CloseHandle( fmapping );
 268
 269         sig = USER32_GetResourceTable(peimage,fsizel,&pData);
 270
 271 /* ico file */
 272         if( sig==IMAGE_OS2_SIGNATURE || sig==1 ) /* .ICO file */
 273         {
 274           BYTE          *pCIDir = 0;
 275           NE_TYPEINFO   *pTInfo = (NE_TYPEINFO*)(pData + 2);
 276           NE_NAMEINFO   *pIconStorage = NULL;
 277           NE_NAMEINFO   *pIconDir = NULL;
 278           LPicoICONDIR  lpiID = NULL;
 279
 280           TRACE("-- OS2/icon Signature (0x%08lx)\n", sig);
 281
 282           if( pData == (BYTE*)-1 )
 283           {
 284             /* FIXME: pCIDir is allocated on the heap - memory leak */
 285             pCIDir = ICO_GetIconDirectory(peimage, &lpiID, &uSize);     /* check for .ICO file */
 286             if( pCIDir )
 287             {
 288               iconDirCount = 1; iconCount = lpiID->idCount;
 289               TRACE("-- icon found %p 0x%08lx 0x%08x 0x%08x\n", pCIDir, uSize, iconDirCount, iconCount);
 290             }
 291           }
 292           else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
 293           {
 294             if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON )      /* find icon directory and icon repository */
 295             {
 296               iconDirCount = pTInfo->count;
 297               pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
 298               TRACE("\tfound directory - %i icon families\n", iconDirCount);
 299             }
 300             if( pTInfo->type_id == NE_RSCTYPE_ICON )
 301             {
 302               iconCount = pTInfo->count;
 303               pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
 304               TRACE("\ttotal icons - %i\n", iconCount);
 305             }
 306             pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
 307           }
 308
 309           if( (pIconStorage && pIconDir) || lpiID )       /* load resources and create icons */
 310           {
 311             if( nIcons == 0 )
 312             {
 313               hRet = iconDirCount;
 314             }
 315             else if( nIconIndex < iconDirCount )
 316             {
 317               UINT16   i, icon;
 318               if( nIcons > iconDirCount - nIconIndex )
 319                 nIcons = iconDirCount - nIconIndex;
 320
 321               for( i = nIconIndex; i < nIconIndex + nIcons; i++ )
 322               {
 323                 /* .ICO files have only one icon directory */
 324                 if( lpiID == NULL )     /* *.ico */
 325                   pCIDir = USER32_LoadResource( peimage, pIconDir + i, *(WORD*)pData, &uSize );
 326                 RetPtr[i-nIconIndex] = LookupIconIdFromDirectoryEx( pCIDir, TRUE, cxDesired, cyDesired, 0);
 327               }
 328
 329               for( icon = nIconIndex; icon < nIconIndex + nIcons; icon++ )
 330               {
 331                 pCIDir = NULL;
 332                 if( lpiID )
 333                   pCIDir = ICO_LoadIcon( peimage, lpiID->idEntries + RetPtr[icon-nIconIndex], &uSize);
 334                 else
 335                   for( i = 0; i < iconCount; i++ )
 336                     if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
 337                       pCIDir = USER32_LoadResource( peimage, pIconStorage + i,*(WORD*)pData, &uSize );
 338
 339                 if( pCIDir )
 340                   RetPtr[icon-nIconIndex] = (HICON) CreateIconFromResourceEx(pCIDir,uSize,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 341                 else
 342                   RetPtr[icon-nIconIndex] = 0;
 343               }
 344               hRet = S_OK;
 345             }
 346           }
 347         }
 348 /* end ico file */
 349
 350 /* exe/dll */
 351         else if( sig == IMAGE_NT_SIGNATURE )
 352         {
 353           LPBYTE                idata,igdata;
 354           PIMAGE_DOS_HEADER     dheader;
 355           PIMAGE_NT_HEADERS     pe_header;
 356           PIMAGE_SECTION_HEADER pe_sections;
 357           const IMAGE_RESOURCE_DIRECTORY *rootresdir,*iconresdir,*icongroupresdir;
 358           const IMAGE_RESOURCE_DATA_ENTRY *idataent,*igdataent;
 359           const IMAGE_RESOURCE_DIRECTORY_ENTRY *xresent;
 360           int                   i,j;
 361
 362           dheader = (PIMAGE_DOS_HEADER)peimage;
 363           pe_header = (PIMAGE_NT_HEADERS)(peimage+dheader->e_lfanew);     /* it is a pe header, USER32_GetResourceTable checked that */
 364           pe_sections = (PIMAGE_SECTION_HEADER)(((char*)pe_header)+sizeof(*pe_header)); /* probably makes problems with short PE headers...*/
 365           rootresdir = NULL;
 366
 367           /* search for the root resource directory */
 368           for (i=0;i<pe_header->FileHeader.NumberOfSections;i++)
 369           {
 370             if (pe_sections[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
 371               continue;
 372             if (fsizel < pe_sections[i].PointerToRawData+pe_sections[i].SizeOfRawData) {
 373               FIXME("File %s too short (section is at %ld bytes, real size is %ld)\n",
 374                       debugstr_w(lpszExeFileName),
 375                       pe_sections[i].PointerToRawData+pe_sections[i].SizeOfRawData,
 376                       fsizel
 377               );
 378               goto end;
 379             }
 380             /* FIXME: doesn't work when the resources are not in a separate section */
 381             if (pe_sections[i].VirtualAddress == pe_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress)
 382             {
 383               rootresdir = (PIMAGE_RESOURCE_DIRECTORY)(peimage+pe_sections[i].PointerToRawData);
 384               break;
 385             }
 386           }
 387
 388           if (!rootresdir)
 389           {
 390             WARN("haven't found section for resource directory.\n");
 391             goto end;           /* failure */
 392           }
 393
 394           /* search for the group icon directory */
 395           if (!(icongroupresdir = find_entry_by_id(rootresdir, LOWORD(RT_GROUP_ICONW), rootresdir)))
 396           {
 397             WARN("No Icongroupresourcedirectory!\n");
 398             goto end;           /* failure */
 399           }
 400           iconDirCount = icongroupresdir->NumberOfNamedEntries + icongroupresdir->NumberOfIdEntries;
 401
 402           /* only number of icons requested */
 403           if( nIcons == 0 )
 404           {
 405             hRet = iconDirCount;
 406             goto end;           /* success */
 407           }
 408
 409           if( nIconIndex < 0 )
 410           {
 411             /* search resource id */
 412             int n = 0;
 413             int iId = abs(nIconIndex);
 414             PIMAGE_RESOURCE_DIRECTORY_ENTRY xprdeTmp = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1);
 415
 416             while(n<iconDirCount && xprdeTmp)
 417             {
 418               if(xprdeTmp->u1.s2.Id ==  iId)
 419               {
 420                   nIconIndex = n;
 421                   break;
 422               }
 423               n++;
 424               xprdeTmp++;
 425             }
 426             if (nIconIndex < 0)
 427             {
 428               WARN("resource id %d not found\n", iId);
 429               goto end;         /* failure */
 430             }
 431           }
 432           else
 433           {
 434             /* check nIconIndex to be in range */
 435             if (nIconIndex >= iconDirCount)
 436             {
 437               WARN("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
 438               goto end;         /* failure */
 439             }
 440           }
 441
 442           /* assure we don't get too much */
 443           if( nIcons > iconDirCount - nIconIndex )
 444             nIcons = iconDirCount - nIconIndex;
 445
 446           /* starting from specified index */
 447           xresent = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1) + nIconIndex;
 448
 449           for (i=0; i < nIcons; i++,xresent++)
 450           {
 451               const IMAGE_RESOURCE_DIRECTORY *resdir;
 452
 453             /* go down this resource entry, name */
 454             resdir = (PIMAGE_RESOURCE_DIRECTORY)((DWORD)rootresdir+(xresent->u2.s3.OffsetToDirectory));
 455
 456             /* default language (0) */
 457             resdir = find_entry_default(resdir,rootresdir);
 458             igdataent = (PIMAGE_RESOURCE_DATA_ENTRY)resdir;
 459
 460             /* lookup address in mapped image for virtual address */
 461             igdata = NULL;
 462
 463             for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
 464             {
 465               if (igdataent->OffsetToData < pe_sections[j].VirtualAddress)
 466                 continue;
 467               if (igdataent->OffsetToData+igdataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
 468                 continue;
 469
 470               if (igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData+igdataent->Size > fsizel) {
 471                   FIXME("overflow in PE lookup (%s has len %ld, have offset %ld), short file?\n",debugstr_w(lpszExeFileName),fsizel,igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData+igdataent->Size);
 472                   goto end; /* failure */
 473               }
 474               igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
 475             }
 476
 477             if (!igdata)
 478             {
 479               FIXME("no matching real address for icongroup!\n");
 480               goto end; /* failure */
 481             }
 482             RetPtr[i] = (HICON)LookupIconIdFromDirectoryEx(igdata, TRUE, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 483           }
 484
 485           if (!(iconresdir=find_entry_by_id(rootresdir,LOWORD(RT_ICONW),rootresdir)))
 486           {
 487             WARN("No Iconresourcedirectory!\n");
 488             goto end;           /* failure */
 489           }
 490
 491           for (i=0; i<nIcons; i++)
 492           {
 493               const IMAGE_RESOURCE_DIRECTORY *xresdir;
 494               xresdir = find_entry_by_id(iconresdir,RetPtr[i],rootresdir);
 495               xresdir = find_entry_default(xresdir,rootresdir);
 496             idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir;
 497             idata = NULL;
 498
 499             /* map virtual to address in image */
 500             for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
 501             {
 502               if (idataent->OffsetToData < pe_sections[j].VirtualAddress)
 503                 continue;
 504               if (idataent->OffsetToData+idataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
 505                 continue;
 506               idata = peimage+(idataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
 507             }
 508             if (!idata)
 509             {
 510               WARN("no matching real address found for icondata!\n");
 511               RetPtr[i]=0;
 512               continue;
 513             }
 514             RetPtr[i] = (HICON) CreateIconFromResourceEx(idata,idataent->Size,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 515           }
 516           hRet = S_OK;  /* return first icon */
 517         }                       /* if(sig == IMAGE_NT_SIGNATURE) */
 518
 519 end:    UnmapViewOfFile(peimage);       /* success */
 520         return hRet;
 521 }
 522
 523 /***********************************************************************
 524  *           PrivateExtractIconsW                       [USER32.@]
 525  *
 526  * NOTES
 527  *  nIndex = 1: a small and a large icon are extracted.
 528  *  the higher word of sizeXY contains the size of the small icon, the lower
 529  *  word the size of the big icon. phicon points to HICON[2].
 530  *
 531  * RETURNS
 532  *  nIcons > 0: HRESULT
 533  *  nIcons = 0: the number of icons
 534  */
 535
 536 HRESULT WINAPI PrivateExtractIconsW (
 537         LPCWSTR lpwstrFile,
 538         int nIndex,
 539         DWORD sizeX,
 540         DWORD sizeY,
 541         HICON * phicon, /* [???] NOTE: HICON* */
 542         DWORD w,        /* [in] NOTE: 0 */
 543         UINT nIcons,
 544         DWORD y )       /* [in] NOTE: 0x80 maybe LR_* constant */
 545 {
 546         DWORD ret;
 547         TRACE("%s 0x%08x 0x%08lx 0x%08lx %p 0x%08lx 0x%08x 0x%08lx\n",
 548         debugstr_w(lpwstrFile),nIndex, sizeX ,sizeY ,phicon,w,nIcons,y );
 549
 550         if ((nIcons == 2) && HIWORD(sizeX) && HIWORD(sizeY))
 551         {
 552           ret = ICO_ExtractIconExW(lpwstrFile, phicon, nIndex, 1, sizeX & 0xffff, sizeY & 0xffff );
 553           if (!SUCCEEDED(ret)) return ret;
 554           ret = ICO_ExtractIconExW(lpwstrFile, phicon+1, nIndex, 1, (sizeX>>16) & 0xffff, (sizeY>>16) & 0xffff );
 555         } else
 556           ret = ICO_ExtractIconExW(lpwstrFile, phicon, nIndex, nIcons, sizeX & 0xffff, sizeY & 0xffff );
 557         return ret;
 558 }
 559
 560 /***********************************************************************
 561  *           PrivateExtractIconsA                       [USER32.@]
 562  */
 563
 564 HRESULT WINAPI PrivateExtractIconsA (
 565         LPCSTR lpstrFile,
 566         INT nIndex,
 567         DWORD sizeX,
 568         DWORD sizeY,
 569         HICON * phicon,
 570         DWORD w,        /* [in] NOTE: 0 */
 571         UINT  nIcons,
 572         DWORD y )       /* [in] NOTE: 0x80 */
 573 {
 574         DWORD ret;
 575         LPWSTR lpwstrFile = HEAP_strdupAtoW(GetProcessHeap(), 0, lpstrFile);
 576
 577         ret = PrivateExtractIconsW(
 578                 lpwstrFile, nIndex, sizeX, sizeY, phicon, w, nIcons, y
 579         );
 580
 581         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 582         return ret;
 583 }
 584
 585 /***********************************************************************
 586  *           PrivateExtractIconExW                      [USER32.@]
 587  * NOTES
 588  *  if nIcons = -1 it returns the number of icons in any case !!!
 589  */
 590 HRESULT WINAPI PrivateExtractIconExW (
 591         LPCWSTR lpwstrFile,
 592         DWORD nIndex,
 593         HICON * phIconLarge,
 594         HICON * phIconSmall,
 595         UINT nIcons )
 596 {
 597         DWORD cyicon, cysmicon, cxicon, cxsmicon;
 598         HRESULT ret = 0;
 599
 600         TRACE("%s 0x%08lx %p %p 0x%08x\n",
 601         debugstr_w(lpwstrFile),nIndex,phIconLarge, phIconSmall, nIcons);
 602
 603         if (nIndex == 1 && phIconSmall && phIconLarge)
 604         {
 605           HICON hIcon[2];
 606           cxicon = GetSystemMetrics(SM_CXICON);
 607           cyicon = GetSystemMetrics(SM_CYICON);
 608           cxsmicon = GetSystemMetrics(SM_CXSMICON);
 609           cysmicon = GetSystemMetrics(SM_CYSMICON);
 610
 611           ret = PrivateExtractIconsW ( lpwstrFile, nIndex, cxicon | (cxsmicon<<16),  cyicon | (cysmicon<<16),
 612           (HICON*) &hIcon, 0, 2, 0 );
 613           *phIconLarge = hIcon[0];
 614           *phIconSmall = hIcon[1];
 615           return ret;
 616         }
 617
 618         if (nIndex != -1)
 619         {
 620           if (phIconSmall)
 621           {
 622             /* extract n small icons */
 623             cxsmicon = GetSystemMetrics(SM_CXSMICON);
 624             cysmicon = GetSystemMetrics(SM_CYSMICON);
 625             ret = PrivateExtractIconsW ( lpwstrFile, nIndex, cxsmicon, cysmicon, phIconSmall, 0, nIcons, 0 );
 626           }
 627           if (phIconLarge )
 628           {
 629             /* extract n large icons */
 630             cxicon = GetSystemMetrics(SM_CXICON);
 631             cyicon = GetSystemMetrics(SM_CYICON);
 632             ret = PrivateExtractIconsW ( lpwstrFile, nIndex, cxicon, cyicon, phIconLarge, 0, nIcons, 0 );
 633           }
 634           return ret;
 635         }
 636
 637         /* get the number of icons */
 638         return PrivateExtractIconsW ( lpwstrFile, 0, 0, 0, 0, 0, 0, 0 );
 639 }
 640
 641 /***********************************************************************
 642  *           PrivateExtractIconExA                      [USER32.@]
 643  */
 644 HRESULT WINAPI PrivateExtractIconExA (
 645         LPCSTR lpstrFile,
 646         DWORD nIndex,
 647         HICON * phIconLarge,
 648         HICON * phIconSmall,
 649         UINT nIcons )
 650 {
 651         DWORD ret;
 652         LPWSTR lpwstrFile = HEAP_strdupAtoW(GetProcessHeap(), 0, lpstrFile);
 653
 654         TRACE("%s 0x%08lx %p %p 0x%08x\n",
 655         lpstrFile, nIndex, phIconLarge, phIconSmall, nIcons);
 656
 657         ret = PrivateExtractIconExW(lpwstrFile,nIndex,phIconLarge, phIconSmall, nIcons);
 658
 659         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 660         return ret;
 661 }
 662