| /* |
| * icon extracting |
| * |
| * taken and slightly changed from shell |
| * this should replace the icon extraction code in shell32 and shell16 once |
| * it needs a serious test for compliance with the native API |
| * |
| * Copyright 2000 Juergen Schmied |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include "config.h" |
| |
| #include <stdarg.h> |
| #include <string.h> |
| #include <stdlib.h> /* abs() */ |
| #include <sys/types.h> |
| #ifdef HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| |
| #define NONAMELESSUNION |
| #define NONAMELESSSTRUCT |
| #include "windef.h" |
| #include "winbase.h" |
| #include "winerror.h" |
| #include "winuser.h" |
| #include "wine/winbase16.h" |
| #include "user_private.h" |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(icon); |
| |
| #include "pshpack1.h" |
| |
| typedef struct |
| { |
| BYTE bWidth; /* Width, in pixels, of the image */ |
| BYTE bHeight; /* Height, in pixels, of the image */ |
| BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */ |
| BYTE bReserved; /* Reserved ( must be 0) */ |
| WORD wPlanes; /* Color Planes */ |
| WORD wBitCount; /* Bits per pixel */ |
| DWORD dwBytesInRes; /* How many bytes in this resource? */ |
| DWORD dwImageOffset; /* Where in the file is this image? */ |
| } icoICONDIRENTRY, *LPicoICONDIRENTRY; |
| |
| typedef struct |
| { |
| WORD idReserved; /* Reserved (must be 0) */ |
| WORD idType; /* Resource Type (RES_ICON or RES_CURSOR) */ |
| WORD idCount; /* How many images */ |
| icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */ |
| } icoICONDIR, *LPicoICONDIR; |
| |
| #include "poppack.h" |
| |
| #if 0 |
| static void dumpIcoDirEnty ( LPicoICONDIRENTRY entry ) |
| { |
| TRACE("width = 0x%08x height = 0x%08x\n", entry->bWidth, entry->bHeight); |
| TRACE("colors = 0x%08x planes = 0x%08x\n", entry->bColorCount, entry->wPlanes); |
| TRACE("bitcount = 0x%08x bytesinres = 0x%08lx offset = 0x%08lx\n", |
| entry->wBitCount, entry->dwBytesInRes, entry->dwImageOffset); |
| } |
| static void dumpIcoDir ( LPicoICONDIR entry ) |
| { |
| TRACE("type = 0x%08x count = 0x%08x\n", entry->idType, entry->idCount); |
| } |
| #endif |
| |
| /********************************************************************** |
| * find_entry_by_id |
| * |
| * Find an entry by id in a resource directory |
| * Copied from loader/pe_resource.c (FIXME: should use exported resource functions) |
| */ |
| static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_id( const IMAGE_RESOURCE_DIRECTORY *dir, |
| WORD id, const void *root ) |
| { |
| const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry; |
| int min, max, pos; |
| |
| entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1); |
| min = dir->NumberOfNamedEntries; |
| max = min + dir->NumberOfIdEntries - 1; |
| while (min <= max) |
| { |
| pos = (min + max) / 2; |
| if (entry[pos].u1.s2.Id == id) |
| return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s3.OffsetToDirectory); |
| if (entry[pos].u1.s2.Id > id) max = pos - 1; |
| else min = pos + 1; |
| } |
| return NULL; |
| } |
| |
| /********************************************************************** |
| * find_entry_default |
| * |
| * Find a default entry in a resource directory |
| * Copied from loader/pe_resource.c (FIXME: should use exported resource functions) |
| */ |
| static const IMAGE_RESOURCE_DIRECTORY *find_entry_default( const IMAGE_RESOURCE_DIRECTORY *dir, |
| const void *root ) |
| { |
| const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry; |
| entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1); |
| return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry->u2.s3.OffsetToDirectory); |
| } |
| |
| /************************************************************************* |
| * USER32_GetResourceTable |
| */ |
| static DWORD USER32_GetResourceTable(LPBYTE peimage,DWORD pesize,LPBYTE *retptr) |
| { |
| IMAGE_DOS_HEADER * mz_header; |
| |
| TRACE("%p %p\n", peimage, retptr); |
| |
| *retptr = NULL; |
| |
| mz_header = (IMAGE_DOS_HEADER*) peimage; |
| |
| if (mz_header->e_magic != IMAGE_DOS_SIGNATURE) |
| { |
| if (mz_header->e_cblp == 1) /* .ICO file ? */ |
| { |
| *retptr = (LPBYTE)-1; /* ICONHEADER.idType, must be 1 */ |
| return 1; |
| } |
| else |
| return 0; /* failed */ |
| } |
| if (mz_header->e_lfanew >= pesize) { |
| return 0; /* failed, happens with PKZIP DOS Exes for instance. */ |
| } |
| if (*((DWORD*)(peimage + mz_header->e_lfanew)) == IMAGE_NT_SIGNATURE ) |
| return IMAGE_NT_SIGNATURE; |
| |
| if (*((WORD*)(peimage + mz_header->e_lfanew)) == IMAGE_OS2_SIGNATURE ) |
| { |
| IMAGE_OS2_HEADER * ne_header; |
| |
| ne_header = (IMAGE_OS2_HEADER*)(peimage + mz_header->e_lfanew); |
| |
| if (ne_header->ne_magic != IMAGE_OS2_SIGNATURE) |
| return 0; |
| |
| if( (ne_header->ne_restab - ne_header->ne_rsrctab) <= sizeof(NE_TYPEINFO) ) |
| *retptr = (LPBYTE)-1; |
| else |
| *retptr = peimage + mz_header->e_lfanew + ne_header->ne_rsrctab; |
| |
| return IMAGE_OS2_SIGNATURE; |
| } |
| return 0; /* failed */ |
| } |
| /************************************************************************* |
| * USER32_LoadResource |
| */ |
| static BYTE * USER32_LoadResource( LPBYTE peimage, NE_NAMEINFO* pNInfo, WORD sizeShift, ULONG *uSize) |
| { |
| TRACE("%p %p 0x%08x\n", peimage, pNInfo, sizeShift); |
| |
| *uSize = (DWORD)pNInfo->length << sizeShift; |
| return peimage + ((DWORD)pNInfo->offset << sizeShift); |
| } |
| |
| /************************************************************************* |
| * ICO_LoadIcon |
| */ |
| static BYTE * ICO_LoadIcon( LPBYTE peimage, LPicoICONDIRENTRY lpiIDE, ULONG *uSize) |
| { |
| TRACE("%p %p\n", peimage, lpiIDE); |
| |
| *uSize = lpiIDE->dwBytesInRes; |
| return peimage + lpiIDE->dwImageOffset; |
| } |
| |
| /************************************************************************* |
| * ICO_GetIconDirectory |
| * |
| * Reads .ico file and build phony ICONDIR struct |
| * see http://www.microsoft.com/win32dev/ui/icons.htm |
| */ |
| #define HEADER_SIZE (sizeof(CURSORICONDIR) - sizeof (CURSORICONDIRENTRY)) |
| #define HEADER_SIZE_FILE (sizeof(icoICONDIR) - sizeof (icoICONDIRENTRY)) |
| |
| static BYTE * ICO_GetIconDirectory( LPBYTE peimage, LPicoICONDIR* lplpiID, ULONG *uSize ) |
| { |
| CURSORICONDIR * lpcid; /* icon resource in resource-dir format */ |
| CURSORICONDIR * lpID; /* icon resource in resource format */ |
| int i; |
| |
| TRACE("%p %p\n", peimage, lplpiID); |
| |
| lpcid = (CURSORICONDIR*)peimage; |
| |
| if( lpcid->idReserved || (lpcid->idType != 1) || (!lpcid->idCount) ) |
| return 0; |
| |
| /* allocate the phony ICONDIR structure */ |
| *uSize = lpcid->idCount * sizeof(CURSORICONDIRENTRY) + HEADER_SIZE; |
| if( (lpID = HeapAlloc(GetProcessHeap(),0, *uSize) )) |
| { |
| /* copy the header */ |
| lpID->idReserved = lpcid->idReserved; |
| lpID->idType = lpcid->idType; |
| lpID->idCount = lpcid->idCount; |
| |
| /* copy the entries */ |
| for( i=0; i < lpcid->idCount; i++ ) |
| { |
| memcpy((void*)&(lpID->idEntries[i]),(void*)&(lpcid->idEntries[i]), sizeof(CURSORICONDIRENTRY) - 2); |
| lpID->idEntries[i].wResId = i; |
| } |
| |
| *lplpiID = (LPicoICONDIR)peimage; |
| return (BYTE *)lpID; |
| } |
| return 0; |
| } |
| |
| /****************************************************************************** |
| * struct extract_icons_state [internal] |
| * |
| * Used to carry params and state through the iterations of EnumResourceNames in ICO_ExtractIconExW |
| */ |
| struct extract_icons_state { |
| INT nBaseIndex; /* Zero based index or negated integer id of the first icon to extract. */ |
| UINT nIcons; /* Number of icons to extract. */ |
| UINT cxDesired; /* Desired horizontal size in pixels (Might be two sizes in HI/LOWORD). */ |
| UINT cyDesired; /* Desired vertical size in pixels (Might be two sizes in HI/LOWORD). */ |
| UINT fuLoad; /* Flags passed to LoadImage. */ |
| INT cIter; /* Iteration counter. */ |
| HICON *pahIcon; /* Pointer to an array where the icon handles will be stored. */ |
| UINT *paIconId; /* Pointer to an array where the icon identifiers will be stored. */ |
| }; |
| |
| /****************************************************************************** |
| * extract_icons_callback [internal] |
| * |
| * Callback function of type ENUMRESNAMEPROC for EnumResourceNames. Used in |
| * ICO_ExtractIconsExW. |
| */ |
| static BOOL CALLBACK extract_icons_callback(HMODULE hModule, LPCWSTR pwszType, LPWSTR pwszName, |
| LONG_PTR lParam) |
| { |
| struct extract_icons_state *pState = (struct extract_icons_state *)lParam; |
| INT idCurrent = (INT)pwszName; |
| |
| /* If the handle array pointer is NULL, we just count the number of icons in the module. */ |
| if (!pState->pahIcon) { |
| pState->cIter++; |
| return TRUE; |
| } |
| |
| /* If we didn't already start extracting icons (cIter == 0), we look if the current |
| * icon is the one we should start with. That's the case if nBaseIndex is negative and |
| * it's absolute value matches the current icon's identifier. Or if nBaseIndex is positive |
| * and we already omitted the first nBaseIndex icons. */ |
| if (pState->cIter == 0) { |
| if (pState->nBaseIndex < 0) { |
| if (!IS_INTRESOURCE(pwszName) || idCurrent != -pState->nBaseIndex) { |
| return TRUE; |
| } |
| } else if (pState->nBaseIndex > 0) { |
| pState->nBaseIndex--; |
| return TRUE; |
| } |
| } |
| |
| if (pState->cIter < pState->nIcons) { |
| /* Load the current icon with the size given in the LOWORD of cx/cyDesired */ |
| pState->pahIcon[pState->cIter] = |
| LoadImageW(hModule, pwszName, IMAGE_ICON, LOWORD(pState->cxDesired), |
| LOWORD(pState->cyDesired), pState->fuLoad); |
| /* FIXME: The resource's identifier (that is not idCurrent, which is the |
| * identifier of the icon directory) should be stored in paIconId, but I don't |
| * know how to query for it. */ |
| if (pState->paIconId) pState->paIconId[pState->cIter] = 0; |
| pState->cIter++; |
| |
| /* If there is a second desired size given in the HIWORDs of cx/cyDesired, load too. |
| * There seems to be an off-by-one error here, since pState->cIter might now be equal |
| * to pState->nIcons, but this is in fact how it works on windows. */ |
| if (HIWORD(pState->cxDesired) && HIWORD(pState->cyDesired)) { |
| pState->pahIcon[pState->cIter] = |
| LoadImageW(hModule, pwszName, IMAGE_ICON, HIWORD(pState->cxDesired), |
| HIWORD(pState->cyDesired), pState->fuLoad); |
| if (pState->paIconId) pState->paIconId[pState->cIter] = 0; |
| pState->cIter++; |
| } |
| } |
| |
| return pState->cIter < pState->nIcons; |
| } |
| |
| /************************************************************************* |
| * ICO_ExtractIconExW [internal] |
| * |
| * NOTES |
| * nIcons = 0: returns number of Icons in file |
| * |
| * returns |
| * invalid file: -1 |
| * failure:0; |
| * success: number of icons in file (nIcons = 0) or nr of icons retrieved |
| */ |
| static UINT ICO_ExtractIconExW( |
| LPCWSTR lpszExeFileName, |
| HICON * RetPtr, |
| INT nIconIndex, |
| UINT nIcons, |
| UINT cxDesired, |
| UINT cyDesired, |
| UINT *pIconId, |
| UINT flags) |
| { |
| UINT ret = 0; |
| UINT cx1, cx2, cy1, cy2; |
| LPBYTE pData; |
| DWORD sig; |
| HANDLE hFile; |
| UINT16 iconDirCount = 0,iconCount = 0; |
| LPBYTE peimage; |
| HANDLE fmapping; |
| ULONG uSize; |
| DWORD fsizeh,fsizel; |
| WCHAR szExePath[MAX_PATH]; |
| DWORD dwSearchReturn; |
| |
| TRACE("%s, %d, %d %p 0x%08x\n", debugstr_w(lpszExeFileName), nIconIndex, nIcons, pIconId, flags); |
| |
| dwSearchReturn = SearchPathW(NULL, lpszExeFileName, NULL, sizeof(szExePath) / sizeof(szExePath[0]), szExePath, NULL); |
| if ((dwSearchReturn == 0) || (dwSearchReturn > sizeof(szExePath) / sizeof(szExePath[0]))) |
| { |
| /* This is very wine specific: If the user tries to extract icon's from system dlls, |
| * wine's build-in *.dll.so's will not be found (Even if they would be found it wouldn't |
| * work, since they are not in PE-format). Thus, if the SearchPath call fails, we try |
| * to load the file with LoadLibary and extract the icons with LoadImage (via |
| * EnumResourceNames). |
| */ |
| struct extract_icons_state state; |
| HMODULE hDllSo = LoadLibraryW(lpszExeFileName); |
| |
| if (!hDllSo) { |
| WARN("File %s not found or path too long\n", debugstr_w(lpszExeFileName)); |
| return -1; |
| } |
| |
| state.nBaseIndex = nIconIndex; |
| state.nIcons = nIcons; |
| state.cxDesired = cxDesired; |
| state.cyDesired = cyDesired; |
| state.fuLoad = flags; |
| state.cIter = 0; |
| state.pahIcon = RetPtr; |
| state.paIconId = pIconId; |
| |
| EnumResourceNamesW(hDllSo, MAKEINTRESOURCEW(RT_GROUP_ICON), extract_icons_callback, |
| (LONG_PTR)&state); |
| FreeLibrary(hDllSo); |
| |
| return state.cIter; |
| } |
| |
| hFile = CreateFileW(szExePath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0); |
| if (hFile == INVALID_HANDLE_VALUE) return ret; |
| fsizel = GetFileSize(hFile,&fsizeh); |
| |
| /* Map the file */ |
| fmapping = CreateFileMappingW(hFile, NULL, PAGE_READONLY | SEC_COMMIT, 0, 0, NULL); |
| CloseHandle(hFile); |
| if (!fmapping) |
| { |
| WARN("CreateFileMapping error %ld\n", GetLastError() ); |
| return 0xFFFFFFFF; |
| } |
| |
| if (!(peimage = MapViewOfFile(fmapping, FILE_MAP_READ, 0, 0, 0))) |
| { |
| WARN("MapViewOfFile error %ld\n", GetLastError() ); |
| CloseHandle(fmapping); |
| return 0xFFFFFFFF; |
| } |
| CloseHandle(fmapping); |
| |
| cx1 = LOWORD(cxDesired); |
| cx2 = HIWORD(cxDesired) ? HIWORD(cxDesired) : cx1; |
| cy1 = LOWORD(cyDesired); |
| cy2 = HIWORD(cyDesired) ? HIWORD(cyDesired) : cy1; |
| |
| if (pIconId) /* Invalidate first icon identifier */ |
| *pIconId = 0xFFFFFFFF; |
| |
| if (!pIconId) /* if no icon identifier array present use the icon handle array as intermediate storage */ |
| pIconId = (UINT*)RetPtr; |
| |
| sig = USER32_GetResourceTable(peimage, fsizel, &pData); |
| |
| /* ico file or NE exe/dll*/ |
| if (sig==IMAGE_OS2_SIGNATURE || sig==1) /* .ICO file */ |
| { |
| BYTE *pCIDir = 0; |
| NE_TYPEINFO *pTInfo = (NE_TYPEINFO*)(pData + 2); |
| NE_NAMEINFO *pIconStorage = NULL; |
| NE_NAMEINFO *pIconDir = NULL; |
| LPicoICONDIR lpiID = NULL; |
| |
| TRACE("-- OS2/icon Signature (0x%08lx)\n", sig); |
| |
| if (pData == (BYTE*)-1) |
| { |
| pCIDir = ICO_GetIconDirectory(peimage, &lpiID, &uSize); /* check for .ICO file */ |
| if (pCIDir) |
| { |
| iconDirCount = 1; iconCount = lpiID->idCount; |
| TRACE("-- icon found %p 0x%08lx 0x%08x 0x%08x\n", pCIDir, uSize, iconDirCount, iconCount); |
| } |
| } |
| else while (pTInfo->type_id && !(pIconStorage && pIconDir)) |
| { |
| if (pTInfo->type_id == NE_RSCTYPE_GROUP_ICON) /* find icon directory and icon repository */ |
| { |
| iconDirCount = pTInfo->count; |
| pIconDir = ((NE_NAMEINFO*)(pTInfo + 1)); |
| TRACE("\tfound directory - %i icon families\n", iconDirCount); |
| } |
| if (pTInfo->type_id == NE_RSCTYPE_ICON) |
| { |
| iconCount = pTInfo->count; |
| pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1)); |
| TRACE("\ttotal icons - %i\n", iconCount); |
| } |
| pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO)); |
| } |
| |
| if ((pIconStorage && pIconDir) || lpiID) /* load resources and create icons */ |
| { |
| if (nIcons == 0) |
| { |
| ret = iconDirCount; |
| if (lpiID && pCIDir) /* *.ico file, deallocate heap pointer*/ |
| HeapFree(GetProcessHeap(), 0, pCIDir); |
| } |
| else if (nIconIndex < iconDirCount) |
| { |
| UINT16 i, icon; |
| if (nIcons > iconDirCount - nIconIndex) |
| nIcons = iconDirCount - nIconIndex; |
| |
| for (i = 0; i < nIcons; i++) |
| { |
| /* .ICO files have only one icon directory */ |
| if (lpiID == NULL) /* not *.ico */ |
| pCIDir = USER32_LoadResource(peimage, pIconDir + i + nIconIndex, *(WORD*)pData, &uSize); |
| pIconId[i] = LookupIconIdFromDirectoryEx(pCIDir, TRUE, (i & 1) ? cx2 : cx1, (i & 1) ? cy2 : cy1, flags); |
| } |
| if (lpiID && pCIDir) /* *.ico file, deallocate heap pointer*/ |
| HeapFree(GetProcessHeap(), 0, pCIDir); |
| |
| for (icon = 0; icon < nIcons; icon++) |
| { |
| pCIDir = NULL; |
| if (lpiID) |
| pCIDir = ICO_LoadIcon(peimage, lpiID->idEntries + (int)pIconId[icon], &uSize); |
| else |
| for (i = 0; i < iconCount; i++) |
| if (pIconStorage[i].id == ((int)pIconId[icon] | 0x8000) ) |
| pCIDir = USER32_LoadResource(peimage, pIconStorage + i, *(WORD*)pData, &uSize); |
| |
| if (pCIDir) |
| RetPtr[icon] = (HICON)CreateIconFromResourceEx(pCIDir, uSize, TRUE, 0x00030000, |
| (icon & 1) ? cx2 : cx1, (icon & 1) ? cy2 : cy1, flags); |
| else |
| RetPtr[icon] = 0; |
| } |
| ret = icon; /* return number of retrieved icons */ |
| } |
| } |
| } |
| /* end ico file */ |
| |
| /* exe/dll */ |
| else if( sig == IMAGE_NT_SIGNATURE ) |
| { |
| LPBYTE idata,igdata; |
| PIMAGE_DOS_HEADER dheader; |
| PIMAGE_NT_HEADERS pe_header; |
| PIMAGE_SECTION_HEADER pe_sections; |
| const IMAGE_RESOURCE_DIRECTORY *rootresdir,*iconresdir,*icongroupresdir; |
| const IMAGE_RESOURCE_DATA_ENTRY *idataent,*igdataent; |
| const IMAGE_RESOURCE_DIRECTORY_ENTRY *xresent; |
| UINT i, j; |
| |
| dheader = (PIMAGE_DOS_HEADER)peimage; |
| pe_header = (PIMAGE_NT_HEADERS)(peimage+dheader->e_lfanew); /* it is a pe header, USER32_GetResourceTable checked that */ |
| pe_sections = (PIMAGE_SECTION_HEADER)(((char*)pe_header) + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) |
| + pe_header->FileHeader.SizeOfOptionalHeader); |
| rootresdir = NULL; |
| |
| /* search for the root resource directory */ |
| for (i=0;i<pe_header->FileHeader.NumberOfSections;i++) |
| { |
| if (pe_sections[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA) |
| continue; |
| if (fsizel < pe_sections[i].PointerToRawData+pe_sections[i].SizeOfRawData) { |
| FIXME("File %s too short (section is at %ld bytes, real size is %ld)\n", |
| debugstr_w(lpszExeFileName), |
| pe_sections[i].PointerToRawData+pe_sections[i].SizeOfRawData, |
| fsizel |
| ); |
| goto end; |
| } |
| /* FIXME: doesn't work when the resources are not in a separate section */ |
| if (pe_sections[i].VirtualAddress == pe_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress) |
| { |
| rootresdir = (PIMAGE_RESOURCE_DIRECTORY)(peimage+pe_sections[i].PointerToRawData); |
| break; |
| } |
| } |
| |
| if (!rootresdir) |
| { |
| WARN("haven't found section for resource directory.\n"); |
| goto end; /* failure */ |
| } |
| |
| /* search for the group icon directory */ |
| if (!(icongroupresdir = find_entry_by_id(rootresdir, LOWORD(RT_GROUP_ICON), rootresdir))) |
| { |
| WARN("No Icongroupresourcedirectory!\n"); |
| goto end; /* failure */ |
| } |
| iconDirCount = icongroupresdir->NumberOfNamedEntries + icongroupresdir->NumberOfIdEntries; |
| |
| /* only number of icons requested */ |
| if( nIcons == 0 ) |
| { |
| ret = iconDirCount; |
| goto end; /* success */ |
| } |
| |
| if( nIconIndex < 0 ) |
| { |
| /* search resource id */ |
| int n = 0; |
| int iId = abs(nIconIndex); |
| const IMAGE_RESOURCE_DIRECTORY_ENTRY* xprdeTmp = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(icongroupresdir+1); |
| |
| while(n<iconDirCount && xprdeTmp) |
| { |
| if(xprdeTmp->u1.s2.Id == iId) |
| { |
| nIconIndex = n; |
| break; |
| } |
| n++; |
| xprdeTmp++; |
| } |
| if (nIconIndex < 0) |
| { |
| WARN("resource id %d not found\n", iId); |
| goto end; /* failure */ |
| } |
| } |
| else |
| { |
| /* check nIconIndex to be in range */ |
| if (nIconIndex >= iconDirCount) |
| { |
| WARN("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount); |
| goto end; /* failure */ |
| } |
| } |
| |
| /* assure we don't get too much */ |
| if( nIcons > iconDirCount - nIconIndex ) |
| nIcons = iconDirCount - nIconIndex; |
| |
| /* starting from specified index */ |
| xresent = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(icongroupresdir+1) + nIconIndex; |
| |
| for (i=0; i < nIcons; i++,xresent++) |
| { |
| const IMAGE_RESOURCE_DIRECTORY *resdir; |
| |
| /* go down this resource entry, name */ |
| resdir = (PIMAGE_RESOURCE_DIRECTORY)((char *)rootresdir + xresent->u2.s3.OffsetToDirectory); |
| |
| /* default language (0) */ |
| resdir = find_entry_default(resdir,rootresdir); |
| igdataent = (const IMAGE_RESOURCE_DATA_ENTRY*)resdir; |
| |
| /* lookup address in mapped image for virtual address */ |
| igdata = NULL; |
| |
| for (j=0;j<pe_header->FileHeader.NumberOfSections;j++) |
| { |
| if (igdataent->OffsetToData < pe_sections[j].VirtualAddress) |
| continue; |
| if (igdataent->OffsetToData+igdataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData) |
| continue; |
| |
| if (igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData+igdataent->Size > fsizel) { |
| 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); |
| goto end; /* failure */ |
| } |
| igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData); |
| } |
| |
| if (!igdata) |
| { |
| FIXME("no matching real address for icongroup!\n"); |
| goto end; /* failure */ |
| } |
| pIconId[i] = LookupIconIdFromDirectoryEx(igdata, TRUE, (i & 1) ? cx2 : cx1, (i & 1) ? cy2 : cy1, flags); |
| } |
| |
| if (!(iconresdir=find_entry_by_id(rootresdir,LOWORD(RT_ICON),rootresdir))) |
| { |
| WARN("No Iconresourcedirectory!\n"); |
| goto end; /* failure */ |
| } |
| |
| for (i=0; i<nIcons; i++) |
| { |
| const IMAGE_RESOURCE_DIRECTORY *xresdir; |
| xresdir = find_entry_by_id(iconresdir, LOWORD(pIconId[i]), rootresdir); |
| if( !xresdir ) |
| { |
| WARN("icon entry %d not found\n", LOWORD(pIconId[i])); |
| RetPtr[i]=0; |
| continue; |
| } |
| xresdir = find_entry_default(xresdir, rootresdir); |
| idataent = (const IMAGE_RESOURCE_DATA_ENTRY*)xresdir; |
| idata = NULL; |
| |
| /* map virtual to address in image */ |
| for (j=0;j<pe_header->FileHeader.NumberOfSections;j++) |
| { |
| if (idataent->OffsetToData < pe_sections[j].VirtualAddress) |
| continue; |
| if (idataent->OffsetToData+idataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData) |
| continue; |
| idata = peimage+(idataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData); |
| } |
| if (!idata) |
| { |
| WARN("no matching real address found for icondata!\n"); |
| RetPtr[i]=0; |
| continue; |
| } |
| RetPtr[i] = (HICON) CreateIconFromResourceEx(idata,idataent->Size,TRUE,0x00030000, |
| (i & 1) ? cx2 : cx1, (i & 1) ? cy2 : cy1, flags); |
| } |
| ret = i; /* return number of retrieved icons */ |
| } /* if(sig == IMAGE_NT_SIGNATURE) */ |
| |
| end: |
| UnmapViewOfFile(peimage); /* success */ |
| return ret; |
| } |
| |
| /*********************************************************************** |
| * PrivateExtractIconsW [USER32.@] |
| * |
| * NOTES |
| * If HIWORD(sizeX) && HIWORD(sizeY) 2 * ((nIcons + 1) MOD 2) icons are |
| * returned, with the LOWORD size icon first and the HIWORD size icon |
| * second. |
| * Also the Windows equivalent does extract icons in a strange way if |
| * nIndex is negative. Our implementation treats a negative nIndex as |
| * looking for that resource identifier for the first icon to retrieve. |
| * |
| * FIXME: |
| * should also support 16 bit EXE + DLLs, cursor and animated cursor as |
| * well as bitmap files. |
| */ |
| |
| UINT WINAPI PrivateExtractIconsW ( |
| LPCWSTR lpwstrFile, |
| int nIndex, |
| int sizeX, |
| int sizeY, |
| HICON * phicon, /* [out] pointer to array of nIcons HICON handles */ |
| UINT* pIconId, /* [out] pointer to array of nIcons icon identifiers or NULL */ |
| UINT nIcons, /* [in] number of icons to retrieve */ |
| UINT flags ) /* [in] LR_* flags used by LoadImage */ |
| { |
| TRACE("%s %d %dx%d %p %p %d 0x%08x\n", |
| debugstr_w(lpwstrFile), nIndex, sizeX, sizeY, phicon, pIconId, nIcons, flags); |
| |
| if ((nIcons & 1) && HIWORD(sizeX) && HIWORD(sizeY)) |
| { |
| WARN("Uneven number %d of icons requested for small and large icons!\n", nIcons); |
| } |
| return ICO_ExtractIconExW(lpwstrFile, phicon, nIndex, nIcons, sizeX, sizeY, pIconId, flags); |
| } |
| |
| /*********************************************************************** |
| * PrivateExtractIconsA [USER32.@] |
| */ |
| |
| UINT WINAPI PrivateExtractIconsA ( |
| LPCSTR lpstrFile, |
| int nIndex, |
| int sizeX, |
| int sizeY, |
| HICON * phicon, /* [out] pointer to array of nIcons HICON handles */ |
| UINT* piconid, /* [out] pointer to array of nIcons icon identifiers or NULL */ |
| UINT nIcons, /* [in] number of icons to retrieve */ |
| UINT flags ) /* [in] LR_* flags used by LoadImage */ |
| { |
| UINT ret; |
| INT len = MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, NULL, 0); |
| LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); |
| |
| MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, lpwstrFile, len); |
| ret = PrivateExtractIconsW(lpwstrFile, nIndex, sizeX, sizeY, phicon, piconid, nIcons, flags); |
| |
| HeapFree(GetProcessHeap(), 0, lpwstrFile); |
| return ret; |
| } |
| |
| /*********************************************************************** |
| * PrivateExtractIconExW [USER32.@] |
| * NOTES |
| * if nIndex == -1 it returns the number of icons in any case !!! |
| */ |
| UINT WINAPI PrivateExtractIconExW ( |
| LPCWSTR lpwstrFile, |
| int nIndex, |
| HICON * phIconLarge, |
| HICON * phIconSmall, |
| UINT nIcons ) |
| { |
| DWORD cyicon, cysmicon, cxicon, cxsmicon; |
| UINT ret = 0; |
| |
| TRACE("%s %d %p %p %d\n", |
| debugstr_w(lpwstrFile),nIndex,phIconLarge, phIconSmall, nIcons); |
| |
| if (nIndex == -1) |
| /* get the number of icons */ |
| return ICO_ExtractIconExW(lpwstrFile, NULL, 0, 0, 0, 0, NULL, LR_DEFAULTCOLOR); |
| |
| if (nIcons == 1 && phIconSmall && phIconLarge) |
| { |
| HICON hIcon[2]; |
| cxicon = GetSystemMetrics(SM_CXICON); |
| cyicon = GetSystemMetrics(SM_CYICON); |
| cxsmicon = GetSystemMetrics(SM_CXSMICON); |
| cysmicon = GetSystemMetrics(SM_CYSMICON); |
| |
| ret = ICO_ExtractIconExW(lpwstrFile, (HICON*) &hIcon, nIndex, 2, cxicon | (cxsmicon<<16), |
| cyicon | (cysmicon<<16), NULL, LR_DEFAULTCOLOR); |
| *phIconLarge = hIcon[0]; |
| *phIconSmall = hIcon[1]; |
| return ret; |
| } |
| |
| if (phIconSmall) |
| { |
| /* extract n small icons */ |
| cxsmicon = GetSystemMetrics(SM_CXSMICON); |
| cysmicon = GetSystemMetrics(SM_CYSMICON); |
| ret = ICO_ExtractIconExW(lpwstrFile, phIconSmall, nIndex, nIcons, cxsmicon, |
| cysmicon, NULL, LR_DEFAULTCOLOR); |
| } |
| if (phIconLarge) |
| { |
| /* extract n large icons */ |
| cxicon = GetSystemMetrics(SM_CXICON); |
| cyicon = GetSystemMetrics(SM_CYICON); |
| ret = ICO_ExtractIconExW(lpwstrFile, phIconLarge, nIndex, nIcons, cxicon, |
| cyicon, NULL, LR_DEFAULTCOLOR); |
| } |
| return ret; |
| } |
| |
| /*********************************************************************** |
| * PrivateExtractIconExA [USER32.@] |
| */ |
| UINT WINAPI PrivateExtractIconExA ( |
| LPCSTR lpstrFile, |
| int nIndex, |
| HICON * phIconLarge, |
| HICON * phIconSmall, |
| UINT nIcons ) |
| { |
| UINT ret; |
| INT len = MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, NULL, 0); |
| LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); |
| |
| TRACE("%s %d %p %p %d\n", lpstrFile, nIndex, phIconLarge, phIconSmall, nIcons); |
| |
| MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, lpwstrFile, len); |
| ret = PrivateExtractIconExW(lpwstrFile, nIndex, phIconLarge, phIconSmall, nIcons); |
| HeapFree(GetProcessHeap(), 0, lpwstrFile); |
| return ret; |
| } |
