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
8 * Copyright 2000 Juergen Schmied
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
29 #include <stdlib.h> /* abs() */
30 #include <sys/types.h>
35 #define NONAMELESSUNION
36 #define NONAMELESSSTRUCT
40 #include "wine/winbase16.h"
41 #include "user_private.h"
42 #include "wine/debug.h"
44 WINE_DEFAULT_DEBUG_CHANNEL(icon);
50 BYTE bWidth; /* Width, in pixels, of the image */
51 BYTE bHeight; /* Height, in pixels, of the image */
52 BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */
53 BYTE bReserved; /* Reserved ( must be 0) */
54 WORD wPlanes; /* Color Planes */
55 WORD wBitCount; /* Bits per pixel */
56 DWORD dwBytesInRes; /* How many bytes in this resource? */
57 DWORD dwImageOffset; /* Where in the file is this image? */
58 } icoICONDIRENTRY, *LPicoICONDIRENTRY;
62 WORD idReserved; /* Reserved (must be 0) */
63 WORD idType; /* Resource Type (RES_ICON or RES_CURSOR) */
64 WORD idCount; /* How many images */
65 icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
66 } icoICONDIR, *LPicoICONDIR;
71 static void dumpIcoDirEnty ( LPicoICONDIRENTRY entry )
73 TRACE("width = 0x%08x height = 0x%08x\n", entry->bWidth, entry->bHeight);
74 TRACE("colors = 0x%08x planes = 0x%08x\n", entry->bColorCount, entry->wPlanes);
75 TRACE("bitcount = 0x%08x bytesinres = 0x%08lx offset = 0x%08lx\n",
76 entry->wBitCount, entry->dwBytesInRes, entry->dwImageOffset);
78 static void dumpIcoDir ( LPicoICONDIR entry )
80 TRACE("type = 0x%08x count = 0x%08x\n", entry->idType, entry->idCount);
84 /**********************************************************************
87 * Find an entry by id in a resource directory
88 * Copied from loader/pe_resource.c (FIXME: should use exported resource functions)
90 static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_id( const IMAGE_RESOURCE_DIRECTORY *dir,
91 WORD id, const void *root )
93 const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
96 entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
97 min = dir->NumberOfNamedEntries;
98 max = min + dir->NumberOfIdEntries - 1;
101 pos = (min + max) / 2;
102 if (entry[pos].u1.s2.Id == id)
103 return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s3.OffsetToDirectory);
104 if (entry[pos].u1.s2.Id > id) max = pos - 1;
110 /**********************************************************************
113 * Find a default entry in a resource directory
114 * Copied from loader/pe_resource.c (FIXME: should use exported resource functions)
116 static const IMAGE_RESOURCE_DIRECTORY *find_entry_default( const IMAGE_RESOURCE_DIRECTORY *dir,
119 const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
120 entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
121 return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry->u2.s3.OffsetToDirectory);
124 /*************************************************************************
125 * USER32_GetResourceTable
127 static DWORD USER32_GetResourceTable(LPBYTE peimage,DWORD pesize,LPBYTE *retptr)
129 IMAGE_DOS_HEADER * mz_header;
131 TRACE("%p %p\n", peimage, retptr);
135 mz_header = (IMAGE_DOS_HEADER*) peimage;
137 if (mz_header->e_magic != IMAGE_DOS_SIGNATURE)
139 if (mz_header->e_cblp == 1) /* .ICO file ? */
141 *retptr = (LPBYTE)-1; /* ICONHEADER.idType, must be 1 */
145 return 0; /* failed */
147 if (mz_header->e_lfanew >= pesize) {
148 return 0; /* failed, happens with PKZIP DOS Exes for instance. */
150 if (*((DWORD*)(peimage + mz_header->e_lfanew)) == IMAGE_NT_SIGNATURE )
151 return IMAGE_NT_SIGNATURE;
153 if (*((WORD*)(peimage + mz_header->e_lfanew)) == IMAGE_OS2_SIGNATURE )
155 IMAGE_OS2_HEADER * ne_header;
157 ne_header = (IMAGE_OS2_HEADER*)(peimage + mz_header->e_lfanew);
159 if (ne_header->ne_magic != IMAGE_OS2_SIGNATURE)
162 if( (ne_header->ne_restab - ne_header->ne_rsrctab) <= sizeof(NE_TYPEINFO) )
163 *retptr = (LPBYTE)-1;
165 *retptr = peimage + mz_header->e_lfanew + ne_header->ne_rsrctab;
167 return IMAGE_OS2_SIGNATURE;
169 return 0; /* failed */
171 /*************************************************************************
172 * USER32_LoadResource
174 static BYTE * USER32_LoadResource( LPBYTE peimage, NE_NAMEINFO* pNInfo, WORD sizeShift, ULONG *uSize)
176 TRACE("%p %p 0x%08x\n", peimage, pNInfo, sizeShift);
178 *uSize = (DWORD)pNInfo->length << sizeShift;
179 return peimage + ((DWORD)pNInfo->offset << sizeShift);
182 /*************************************************************************
185 static BYTE * ICO_LoadIcon( LPBYTE peimage, LPicoICONDIRENTRY lpiIDE, ULONG *uSize)
187 TRACE("%p %p\n", peimage, lpiIDE);
189 *uSize = lpiIDE->dwBytesInRes;
190 return peimage + lpiIDE->dwImageOffset;
193 /*************************************************************************
194 * ICO_GetIconDirectory
196 * Reads .ico file and build phony ICONDIR struct
198 #define HEADER_SIZE (sizeof(CURSORICONDIR) - sizeof (CURSORICONDIRENTRY))
199 #define HEADER_SIZE_FILE (sizeof(icoICONDIR) - sizeof (icoICONDIRENTRY))
201 static BYTE * ICO_GetIconDirectory( LPBYTE peimage, LPicoICONDIR* lplpiID, ULONG *uSize )
203 CURSORICONDIR * lpcid; /* icon resource in resource-dir format */
204 CURSORICONDIR * lpID; /* icon resource in resource format */
207 TRACE("%p %p\n", peimage, lplpiID);
209 lpcid = (CURSORICONDIR*)peimage;
211 if( lpcid->idReserved || (lpcid->idType != 1) || (!lpcid->idCount) )
214 /* allocate the phony ICONDIR structure */
215 *uSize = lpcid->idCount * sizeof(CURSORICONDIRENTRY) + HEADER_SIZE;
216 if( (lpID = HeapAlloc(GetProcessHeap(),0, *uSize) ))
218 /* copy the header */
219 lpID->idReserved = lpcid->idReserved;
220 lpID->idType = lpcid->idType;
221 lpID->idCount = lpcid->idCount;
223 /* copy the entries */
224 for( i=0; i < lpcid->idCount; i++ )
226 memcpy((void*)&(lpID->idEntries[i]),(void*)&(lpcid->idEntries[i]), sizeof(CURSORICONDIRENTRY) - 2);
227 lpID->idEntries[i].wResId = i;
230 *lplpiID = (LPicoICONDIR)peimage;
236 /******************************************************************************
237 * struct extract_icons_state [internal]
239 * Used to carry params and state through the iterations of EnumResourceNames in ICO_ExtractIconExW
241 struct extract_icons_state {
242 INT nBaseIndex; /* Zero based index or negated integer id of the first icon to extract. */
243 UINT nIcons; /* Number of icons to extract. */
244 UINT cxDesired; /* Desired horizontal size in pixels (Might be two sizes in HI/LOWORD). */
245 UINT cyDesired; /* Desired vertical size in pixels (Might be two sizes in HI/LOWORD). */
246 UINT fuLoad; /* Flags passed to LoadImage. */
247 INT cIter; /* Iteration counter. */
248 HICON *pahIcon; /* Pointer to an array where the icon handles will be stored. */
249 UINT *paIconId; /* Pointer to an array where the icon identifiers will be stored. */
252 /******************************************************************************
253 * extract_icons_callback [internal]
255 * Callback function of type ENUMRESNAMEPROC for EnumResourceNames. Used in
256 * ICO_ExtractIconsExW.
258 static BOOL CALLBACK extract_icons_callback(HMODULE hModule, LPCWSTR pwszType, LPWSTR pwszName,
261 struct extract_icons_state *pState = (struct extract_icons_state *)lParam;
262 INT idCurrent = LOWORD(pwszName);
264 /* If the handle array pointer is NULL, we just count the number of icons in the module. */
265 if (!pState->pahIcon) {
270 /* If we didn't already start extracting icons (cIter == 0), we look if the current
271 * icon is the one we should start with. That's the case if nBaseIndex is negative and
272 * it's absolute value matches the current icon's identifier. Or if nBaseIndex is positive
273 * and we already omitted the first nBaseIndex icons. */
274 if (pState->cIter == 0) {
275 if (pState->nBaseIndex < 0) {
276 if (!IS_INTRESOURCE(pwszName) || idCurrent != -pState->nBaseIndex) {
279 } else if (pState->nBaseIndex > 0) {
280 pState->nBaseIndex--;
285 if (pState->cIter < pState->nIcons) {
286 /* Load the current icon with the size given in the LOWORD of cx/cyDesired */
287 pState->pahIcon[pState->cIter] =
288 LoadImageW(hModule, pwszName, IMAGE_ICON, LOWORD(pState->cxDesired),
289 LOWORD(pState->cyDesired), pState->fuLoad);
290 /* FIXME: The resource's identifier (that is not idCurrent, which is the
291 * identifier of the icon directory) should be stored in paIconId, but I don't
292 * know how to query for it. */
293 if (pState->paIconId) pState->paIconId[pState->cIter] = 0;
296 /* If there is a second desired size given in the HIWORDs of cx/cyDesired, load too.
297 * There seems to be an off-by-one error here, since pState->cIter might now be equal
298 * to pState->nIcons, but this is in fact how it works on windows. */
299 if (HIWORD(pState->cxDesired) && HIWORD(pState->cyDesired)) {
300 pState->pahIcon[pState->cIter] =
301 LoadImageW(hModule, pwszName, IMAGE_ICON, HIWORD(pState->cxDesired),
302 HIWORD(pState->cyDesired), pState->fuLoad);
303 if (pState->paIconId) pState->paIconId[pState->cIter] = 0;
308 return pState->cIter < pState->nIcons;
311 /*************************************************************************
312 * ICO_ExtractIconExW [internal]
315 * nIcons = 0: returns number of Icons in file
320 * success: number of icons in file (nIcons = 0) or nr of icons retrieved
322 static UINT ICO_ExtractIconExW(
323 LPCWSTR lpszExeFileName,
333 UINT cx1, cx2, cy1, cy2;
337 UINT16 iconDirCount = 0,iconCount = 0;
341 WCHAR szExePath[MAX_PATH];
342 DWORD dwSearchReturn;
344 TRACE("%s, %d, %d %p 0x%08x\n", debugstr_w(lpszExeFileName), nIconIndex, nIcons, pIconId, flags);
346 dwSearchReturn = SearchPathW(NULL, lpszExeFileName, NULL, sizeof(szExePath) / sizeof(szExePath[0]), szExePath, NULL);
347 if ((dwSearchReturn == 0) || (dwSearchReturn > sizeof(szExePath) / sizeof(szExePath[0])))
349 /* This is very wine specific: If the user tries to extract icons from system dlls,
350 * wine's builtin *.dll.so's will not be found (Even if they would be found it wouldn't
351 * work, since they are not in PE-format). Thus, if the SearchPath call fails, we try
352 * to load the file with LoadLibrary and extract the icons with LoadImage (via
353 * EnumResourceNames).
355 struct extract_icons_state state;
356 HMODULE hDllSo = LoadLibraryW(lpszExeFileName);
359 WARN("File %s not found or path too long\n", debugstr_w(lpszExeFileName));
363 state.nBaseIndex = nIconIndex;
364 state.nIcons = nIcons;
365 state.cxDesired = cxDesired;
366 state.cyDesired = cyDesired;
367 state.fuLoad = flags;
369 state.pahIcon = RetPtr;
370 state.paIconId = pIconId;
372 EnumResourceNamesW(hDllSo, MAKEINTRESOURCEW(RT_GROUP_ICON), extract_icons_callback,
379 hFile = CreateFileW(szExePath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
380 if (hFile == INVALID_HANDLE_VALUE) return ret;
381 fsizel = GetFileSize(hFile,&fsizeh);
384 fmapping = CreateFileMappingW(hFile, NULL, PAGE_READONLY | SEC_COMMIT, 0, 0, NULL);
388 WARN("CreateFileMapping error %d\n", GetLastError() );
392 if (!(peimage = MapViewOfFile(fmapping, FILE_MAP_READ, 0, 0, 0)))
394 WARN("MapViewOfFile error %d\n", GetLastError() );
395 CloseHandle(fmapping);
398 CloseHandle(fmapping);
400 cx1 = LOWORD(cxDesired);
401 cx2 = HIWORD(cxDesired);
402 cy1 = LOWORD(cyDesired);
403 cy2 = HIWORD(cyDesired);
405 if (pIconId) /* Invalidate first icon identifier */
406 *pIconId = 0xFFFFFFFF;
408 if (!pIconId) /* if no icon identifier array present use the icon handle array as intermediate storage */
409 pIconId = (UINT*)RetPtr;
411 sig = USER32_GetResourceTable(peimage, fsizel, &pData);
413 /* ico file or NE exe/dll*/
414 if (sig==IMAGE_OS2_SIGNATURE || sig==1) /* .ICO file */
417 NE_TYPEINFO *pTInfo = (NE_TYPEINFO*)(pData + 2);
418 NE_NAMEINFO *pIconStorage = NULL;
419 NE_NAMEINFO *pIconDir = NULL;
420 LPicoICONDIR lpiID = NULL;
423 TRACE("-- OS2/icon Signature (0x%08x)\n", sig);
425 if (pData == (BYTE*)-1)
427 pCIDir = ICO_GetIconDirectory(peimage, &lpiID, &uSize); /* check for .ICO file */
430 iconDirCount = 1; iconCount = lpiID->idCount;
431 TRACE("-- icon found %p 0x%08x 0x%08x 0x%08x\n", pCIDir, uSize, iconDirCount, iconCount);
434 else while (pTInfo->type_id && !(pIconStorage && pIconDir))
436 if (pTInfo->type_id == NE_RSCTYPE_GROUP_ICON) /* find icon directory and icon repository */
438 iconDirCount = pTInfo->count;
439 pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
440 TRACE("\tfound directory - %i icon families\n", iconDirCount);
442 if (pTInfo->type_id == NE_RSCTYPE_ICON)
444 iconCount = pTInfo->count;
445 pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
446 TRACE("\ttotal icons - %i\n", iconCount);
448 pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
451 if ((pIconStorage && pIconDir) || lpiID) /* load resources and create icons */
456 if (lpiID) /* *.ico file, deallocate heap pointer*/
457 HeapFree(GetProcessHeap(), 0, pCIDir);
459 else if (nIconIndex < iconDirCount)
462 if (nIcons > iconDirCount - nIconIndex)
463 nIcons = iconDirCount - nIconIndex;
465 for (i = 0; i < nIcons; i++)
467 /* .ICO files have only one icon directory */
468 if (lpiID == NULL) /* not *.ico */
469 pCIDir = USER32_LoadResource(peimage, pIconDir + i + nIconIndex, *(WORD*)pData, &uSize);
470 pIconId[i] = LookupIconIdFromDirectoryEx(pCIDir, TRUE, cx1, cy1, flags);
471 if (cx2 && cy2) pIconId[++i] = LookupIconIdFromDirectoryEx(pCIDir, TRUE, cx2, cy2, flags);
473 if (lpiID) /* *.ico file, deallocate heap pointer*/
474 HeapFree(GetProcessHeap(), 0, pCIDir);
476 for (icon = 0; icon < nIcons; icon++)
480 pCIDir = ICO_LoadIcon(peimage, lpiID->idEntries + (int)pIconId[icon], &uSize);
482 for (i = 0; i < iconCount; i++)
483 if (pIconStorage[i].id == ((int)pIconId[icon] | 0x8000) )
484 pCIDir = USER32_LoadResource(peimage, pIconStorage + i, *(WORD*)pData, &uSize);
488 RetPtr[icon] = CreateIconFromResourceEx(pCIDir, uSize, TRUE, 0x00030000,
491 RetPtr[++icon] = CreateIconFromResourceEx(pCIDir, uSize, TRUE, 0x00030000,
497 ret = icon; /* return number of retrieved icons */
504 else if( sig == IMAGE_NT_SIGNATURE )
507 PIMAGE_DOS_HEADER dheader;
508 PIMAGE_NT_HEADERS pe_header;
509 PIMAGE_SECTION_HEADER pe_sections;
510 const IMAGE_RESOURCE_DIRECTORY *rootresdir,*iconresdir,*icongroupresdir;
511 const IMAGE_RESOURCE_DATA_ENTRY *idataent,*igdataent;
512 const IMAGE_RESOURCE_DIRECTORY_ENTRY *xresent;
515 dheader = (PIMAGE_DOS_HEADER)peimage;
516 pe_header = (PIMAGE_NT_HEADERS)(peimage+dheader->e_lfanew); /* it is a pe header, USER32_GetResourceTable checked that */
517 pe_sections = (PIMAGE_SECTION_HEADER)(((char*)pe_header) + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER)
518 + pe_header->FileHeader.SizeOfOptionalHeader);
521 /* search for the root resource directory */
522 for (i=0;i<pe_header->FileHeader.NumberOfSections;i++)
524 if (pe_sections[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
526 if (fsizel < pe_sections[i].PointerToRawData+pe_sections[i].SizeOfRawData) {
527 FIXME("File %s too short (section is at %d bytes, real size is %d)\n",
528 debugstr_w(lpszExeFileName),
529 pe_sections[i].PointerToRawData+pe_sections[i].SizeOfRawData,
534 /* FIXME: doesn't work when the resources are not in a separate section */
535 if (pe_sections[i].VirtualAddress == pe_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress)
537 rootresdir = (PIMAGE_RESOURCE_DIRECTORY)(peimage+pe_sections[i].PointerToRawData);
544 WARN("haven't found section for resource directory.\n");
545 goto end; /* failure */
548 /* search for the group icon directory */
549 if (!(icongroupresdir = find_entry_by_id(rootresdir, LOWORD(RT_GROUP_ICON), rootresdir)))
551 WARN("No Icongroupresourcedirectory!\n");
552 goto end; /* failure */
554 iconDirCount = icongroupresdir->NumberOfNamedEntries + icongroupresdir->NumberOfIdEntries;
556 /* only number of icons requested */
560 goto end; /* success */
565 /* search resource id */
567 int iId = abs(nIconIndex);
568 const IMAGE_RESOURCE_DIRECTORY_ENTRY* xprdeTmp = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(icongroupresdir+1);
570 while(n<iconDirCount && xprdeTmp)
572 if(xprdeTmp->u1.s2.Id == iId)
582 WARN("resource id %d not found\n", iId);
583 goto end; /* failure */
588 /* check nIconIndex to be in range */
589 if (nIconIndex >= iconDirCount)
591 WARN("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
592 goto end; /* failure */
596 /* assure we don't get too much */
597 if( nIcons > iconDirCount - nIconIndex )
598 nIcons = iconDirCount - nIconIndex;
600 /* starting from specified index */
601 xresent = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(icongroupresdir+1) + nIconIndex;
603 for (i=0; i < nIcons; i++,xresent++)
605 const IMAGE_RESOURCE_DIRECTORY *resdir;
607 /* go down this resource entry, name */
608 resdir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)rootresdir + xresent->u2.s3.OffsetToDirectory);
610 /* default language (0) */
611 resdir = find_entry_default(resdir,rootresdir);
612 igdataent = (const IMAGE_RESOURCE_DATA_ENTRY*)resdir;
614 /* lookup address in mapped image for virtual address */
617 for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
619 if (igdataent->OffsetToData < pe_sections[j].VirtualAddress)
621 if (igdataent->OffsetToData+igdataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
624 if (igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData+igdataent->Size > fsizel) {
625 FIXME("overflow in PE lookup (%s has len %d, have offset %d), short file?\n", debugstr_w(lpszExeFileName), fsizel,
626 igdataent->OffsetToData - pe_sections[j].VirtualAddress + pe_sections[j].PointerToRawData + igdataent->Size);
627 goto end; /* failure */
629 igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
634 FIXME("no matching real address for icongroup!\n");
635 goto end; /* failure */
637 pIconId[i] = LookupIconIdFromDirectoryEx(igdata, TRUE, cx1, cy1, flags);
638 if (cx2 && cy2) pIconId[++i] = LookupIconIdFromDirectoryEx(igdata, TRUE, cx2, cy2, flags);
641 if (!(iconresdir=find_entry_by_id(rootresdir,LOWORD(RT_ICON),rootresdir)))
643 WARN("No Iconresourcedirectory!\n");
644 goto end; /* failure */
647 for (i=0; i<nIcons; i++)
649 const IMAGE_RESOURCE_DIRECTORY *xresdir;
650 xresdir = find_entry_by_id(iconresdir, LOWORD(pIconId[i]), rootresdir);
653 WARN("icon entry %d not found\n", LOWORD(pIconId[i]));
657 xresdir = find_entry_default(xresdir, rootresdir);
658 idataent = (const IMAGE_RESOURCE_DATA_ENTRY*)xresdir;
661 /* map virtual to address in image */
662 for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
664 if (idataent->OffsetToData < pe_sections[j].VirtualAddress)
666 if (idataent->OffsetToData+idataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
668 idata = peimage+(idataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
672 WARN("no matching real address found for icondata!\n");
676 RetPtr[i] = CreateIconFromResourceEx(idata, idataent->Size, TRUE, 0x00030000, cx1, cy1, flags);
678 RetPtr[++i] = CreateIconFromResourceEx(idata, idataent->Size, TRUE, 0x00030000, cx2, cy2, flags);
680 ret = i; /* return number of retrieved icons */
681 } /* if(sig == IMAGE_NT_SIGNATURE) */
684 UnmapViewOfFile(peimage); /* success */
688 /***********************************************************************
689 * PrivateExtractIconsW [USER32.@]
692 * If HIWORD(sizeX) && HIWORD(sizeY) 2 * ((nIcons + 1) MOD 2) icons are
693 * returned, with the LOWORD size icon first and the HIWORD size icon
695 * Also the Windows equivalent does extract icons in a strange way if
696 * nIndex is negative. Our implementation treats a negative nIndex as
697 * looking for that resource identifier for the first icon to retrieve.
700 * should also support 16 bit EXE + DLLs, cursor and animated cursor as
701 * well as bitmap files.
704 UINT WINAPI PrivateExtractIconsW (
709 HICON * phicon, /* [out] pointer to array of nIcons HICON handles */
710 UINT* pIconId, /* [out] pointer to array of nIcons icon identifiers or NULL */
711 UINT nIcons, /* [in] number of icons to retrieve */
712 UINT flags ) /* [in] LR_* flags used by LoadImage */
714 TRACE("%s %d %dx%d %p %p %d 0x%08x\n",
715 debugstr_w(lpwstrFile), nIndex, sizeX, sizeY, phicon, pIconId, nIcons, flags);
717 if ((nIcons & 1) && HIWORD(sizeX) && HIWORD(sizeY))
719 WARN("Uneven number %d of icons requested for small and large icons!\n", nIcons);
721 return ICO_ExtractIconExW(lpwstrFile, phicon, nIndex, nIcons, sizeX, sizeY, pIconId, flags);
724 /***********************************************************************
725 * PrivateExtractIconsA [USER32.@]
728 UINT WINAPI PrivateExtractIconsA (
733 HICON * phicon, /* [out] pointer to array of nIcons HICON handles */
734 UINT* piconid, /* [out] pointer to array of nIcons icon identifiers or NULL */
735 UINT nIcons, /* [in] number of icons to retrieve */
736 UINT flags ) /* [in] LR_* flags used by LoadImage */
739 INT len = MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, NULL, 0);
740 LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
742 MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, lpwstrFile, len);
743 ret = PrivateExtractIconsW(lpwstrFile, nIndex, sizeX, sizeY, phicon, piconid, nIcons, flags);
745 HeapFree(GetProcessHeap(), 0, lpwstrFile);
749 /***********************************************************************
750 * PrivateExtractIconExW [USER32.@]
752 * if nIndex == -1 it returns the number of icons in any case !!!
754 UINT WINAPI PrivateExtractIconExW (
761 DWORD cyicon, cysmicon, cxicon, cxsmicon;
764 TRACE("%s %d %p %p %d\n",
765 debugstr_w(lpwstrFile),nIndex,phIconLarge, phIconSmall, nIcons);
768 /* get the number of icons */
769 return ICO_ExtractIconExW(lpwstrFile, NULL, 0, 0, 0, 0, NULL, LR_DEFAULTCOLOR);
771 if (nIcons == 1 && phIconSmall && phIconLarge)
774 cxicon = GetSystemMetrics(SM_CXICON);
775 cyicon = GetSystemMetrics(SM_CYICON);
776 cxsmicon = GetSystemMetrics(SM_CXSMICON);
777 cysmicon = GetSystemMetrics(SM_CYSMICON);
779 ret = ICO_ExtractIconExW(lpwstrFile, (HICON*) &hIcon, nIndex, 2, cxicon | (cxsmicon<<16),
780 cyicon | (cysmicon<<16), NULL, LR_DEFAULTCOLOR);
781 *phIconLarge = hIcon[0];
782 *phIconSmall = hIcon[1];
788 /* extract n small icons */
789 cxsmicon = GetSystemMetrics(SM_CXSMICON);
790 cysmicon = GetSystemMetrics(SM_CYSMICON);
791 ret = ICO_ExtractIconExW(lpwstrFile, phIconSmall, nIndex, nIcons, cxsmicon,
792 cysmicon, NULL, LR_DEFAULTCOLOR);
796 /* extract n large icons */
797 cxicon = GetSystemMetrics(SM_CXICON);
798 cyicon = GetSystemMetrics(SM_CYICON);
799 ret = ICO_ExtractIconExW(lpwstrFile, phIconLarge, nIndex, nIcons, cxicon,
800 cyicon, NULL, LR_DEFAULTCOLOR);
805 /***********************************************************************
806 * PrivateExtractIconExA [USER32.@]
808 UINT WINAPI PrivateExtractIconExA (
816 INT len = MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, NULL, 0);
817 LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
819 TRACE("%s %d %p %p %d\n", lpstrFile, nIndex, phIconLarge, phIconSmall, nIcons);
821 MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, lpwstrFile, len);
822 ret = PrivateExtractIconExW(lpwstrFile, nIndex, phIconLarge, phIconSmall, nIcons);
823 HeapFree(GetProcessHeap(), 0, lpwstrFile);