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Sweden-Number/dlls/shell32/iconcache.c

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/*
* shell icon cache (SIC)
*
*
*/
#include <string.h>
#include "windows.h"
#include "neexe.h"
#include "cursoricon.h"
#include "module.h"
#include "heap.h"
#include "debug.h"
#include "sysmetrics.h"
#include "winversion.h"
#include "shell.h"
#include "shlobj.h"
#include "pidl.h"
#include "shell32_main.h"
#pragma pack(1)
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 (1 for icons) */
WORD idCount; /* How many images? */
icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
} icoICONDIR, *LPicoICONDIR;
#pragma pack(4)
/*************************************************************************
* SHELL_GetResourceTable
*/
static DWORD SHELL_GetResourceTable(HFILE32 hFile,LPBYTE *retptr)
{ IMAGE_DOS_HEADER mz_header;
char magic[4];
int size;
TRACE(shell,"\n");
*retptr = NULL;
_llseek32( hFile, 0, SEEK_SET );
if ((_lread32(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) || (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 */
}
_llseek32( hFile, mz_header.e_lfanew, SEEK_SET );
if (_lread32( hFile, magic, sizeof(magic) ) != sizeof(magic))
return 0;
_llseek32( hFile, mz_header.e_lfanew, SEEK_SET);
if (*(DWORD*)magic == IMAGE_NT_SIGNATURE)
return IMAGE_NT_SIGNATURE;
if (*(WORD*)magic == IMAGE_OS2_SIGNATURE)
{ IMAGE_OS2_HEADER ne_header;
LPBYTE pTypeInfo = (LPBYTE)-1;
if (_lread32(hFile,&ne_header,sizeof(ne_header))!=sizeof(ne_header))
return 0;
if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE)
return 0;
size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
if( size > sizeof(NE_TYPEINFO) )
{ pTypeInfo = (BYTE*)HeapAlloc( GetProcessHeap(), 0, size);
if( pTypeInfo )
{ _llseek32(hFile, mz_header.e_lfanew+ne_header.resource_tab_offset, SEEK_SET);
if( _lread32( hFile, (char*)pTypeInfo, size) != size )
{ HeapFree( GetProcessHeap(), 0, pTypeInfo);
pTypeInfo = NULL;
}
}
}
*retptr = pTypeInfo;
return IMAGE_OS2_SIGNATURE;
}
return 0; /* failed */
}
/*************************************************************************
* SHELL_LoadResource
*/
static HGLOBAL16 SHELL_LoadResource(HINSTANCE32 hInst, HFILE32 hFile, NE_NAMEINFO* pNInfo, WORD sizeShift)
{ BYTE* ptr;
HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, (DWORD)pNInfo->length << sizeShift);
TRACE(shell,"\n");
if( (ptr = (BYTE*)GlobalLock16( handle )) )
{ _llseek32( hFile, (DWORD)pNInfo->offset << sizeShift, SEEK_SET);
_lread32( hFile, (char*)ptr, pNInfo->length << sizeShift);
return handle;
}
return 0;
}
/*************************************************************************
* ICO_LoadIcon
*/
static HGLOBAL16 ICO_LoadIcon(HINSTANCE32 hInst, HFILE32 hFile, LPicoICONDIRENTRY lpiIDE)
{ BYTE* ptr;
HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, lpiIDE->dwBytesInRes);
TRACE(shell,"\n");
if( (ptr = (BYTE*)GlobalLock16( handle )) )
{ _llseek32( hFile, lpiIDE->dwImageOffset, SEEK_SET);
_lread32( hFile, (char*)ptr, lpiIDE->dwBytesInRes);
return handle;
}
return 0;
}
/*************************************************************************
* ICO_GetIconDirectory
*
* Read .ico file and build phony ICONDIR struct for GetIconID
*/
static HGLOBAL16 ICO_GetIconDirectory(HINSTANCE32 hInst, HFILE32 hFile, LPicoICONDIR* lplpiID )
{ WORD id[3]; /* idReserved, idType, idCount */
LPicoICONDIR lpiID;
int i;
TRACE(shell,"\n");
_llseek32( hFile, 0, SEEK_SET );
if( _lread32(hFile,(char*)id,sizeof(id)) != sizeof(id) )
return 0;
/* check .ICO header
*
* - see http://www.microsoft.com/win32dev/ui/icons.htm
*/
if( id[0] || id[1] != 1 || !id[2] )
return 0;
i = id[2]*sizeof(icoICONDIRENTRY) + sizeof(id);
lpiID = (LPicoICONDIR)HeapAlloc( GetProcessHeap(), 0, i);
if( _lread32(hFile,(char*)lpiID->idEntries,i) == i )
{ HGLOBAL16 handle = DirectResAlloc( hInst, 0x10,id[2]*sizeof(ICONDIRENTRY) + sizeof(id) );
if( handle )
{ CURSORICONDIR* lpID = (CURSORICONDIR*)GlobalLock16( handle );
lpID->idReserved = lpiID->idReserved = id[0];
lpID->idType = lpiID->idType = id[1];
lpID->idCount = lpiID->idCount = id[2];
for( i=0; i < lpiID->idCount; i++ )
{ memcpy((void*)(lpID->idEntries + i),(void*)(lpiID->idEntries + i), sizeof(ICONDIRENTRY) - 2);
lpID->idEntries[i].icon.wResId = i;
}
*lplpiID = lpiID;
return handle;
}
}
/* fail */
HeapFree( GetProcessHeap(), 0, lpiID);
return 0;
}
/*************************************************************************
* InternalExtractIcon [SHELL.39]
*
* This abortion is called directly by Progman
* fixme: the icon section is broken (don't have a handle for
* ICO_GetIconDirectory....)
*
*/
#define ICO_INVALID_FILE 1
#define ICO_NO_ICONS 0
HGLOBAL32 WINAPI ICO_ExtractIconEx(LPCSTR lpszExeFileName, HICON32* RetPtr, UINT32 nIconIndex, UINT32 n, UINT32 cxDesired, UINT32 cyDesired )
{ HGLOBAL32 hRet = ICO_NO_ICONS;
LPBYTE pData;
OFSTRUCT ofs;
DWORD sig;
HFILE32 hFile = OpenFile32( lpszExeFileName, &ofs, OF_READ );
UINT16 iconDirCount = 0,iconCount = 0;
LPBYTE peimage;
HANDLE32 fmapping;
TRACE(shell,"(file %s,start %d,extract %d\n", lpszExeFileName, nIconIndex, n);
if( hFile == HFILE_ERROR32 || !n )
return ICO_INVALID_FILE;
sig = SHELL_GetResourceTable(hFile,&pData);
/* ico file */
if( sig==IMAGE_OS2_SIGNATURE || sig==1 ) /* .ICO file */
{ HICON16 hIcon = 0;
NE_TYPEINFO* pTInfo = (NE_TYPEINFO*)(pData + 2);
NE_NAMEINFO* pIconStorage = NULL;
NE_NAMEINFO* pIconDir = NULL;
LPicoICONDIR lpiID = NULL;
if( pData == (BYTE*)-1 )
{ hIcon = ICO_GetIconDirectory(0, hFile, &lpiID); /* check for .ICO file */
if( hIcon )
{ iconDirCount = 1; iconCount = lpiID->idCount;
}
}
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(shell,"\tfound directory - %i icon families\n", iconDirCount);
}
if( pTInfo->type_id == NE_RSCTYPE_ICON )
{ iconCount = pTInfo->count;
pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
TRACE(shell,"\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( nIconIndex == (UINT16)-1 )
{ RetPtr[0] = iconDirCount;
}
else if( nIconIndex < iconDirCount )
{ UINT16 i, icon;
if( n > iconDirCount - nIconIndex )
n = iconDirCount - nIconIndex;
for( i = nIconIndex; i < nIconIndex + n; i++ )
{ /* .ICO files have only one icon directory */
if( lpiID == NULL )
hIcon = SHELL_LoadResource( 0, hFile, pIconDir + i, *(WORD*)pData );
RetPtr[i-nIconIndex] = GetIconID( hIcon, 3 );
GlobalFree16(hIcon);
}
for( icon = nIconIndex; icon < nIconIndex + n; icon++ )
{ hIcon = 0;
if( lpiID )
{ hIcon = ICO_LoadIcon( 0, hFile, lpiID->idEntries + RetPtr[icon-nIconIndex]);
}
else
{ for( i = 0; i < iconCount; i++ )
{ if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
{ hIcon = SHELL_LoadResource( 0, hFile, pIconStorage + i,*(WORD*)pData );
}
}
}
if( hIcon )
{ RetPtr[icon-nIconIndex] = LoadIconHandler( hIcon, TRUE );
}
else
{ RetPtr[icon-nIconIndex] = 0;
}
}
}
}
if( lpiID )
HeapFree( GetProcessHeap(), 0, lpiID);
else
HeapFree( GetProcessHeap(), 0, pData);
}
/* end ico file */
/* exe/dll */
if( sig == IMAGE_NT_SIGNATURE)
{ LPBYTE idata,igdata;
PIMAGE_DOS_HEADER dheader;
PIMAGE_NT_HEADERS pe_header;
PIMAGE_SECTION_HEADER pe_sections;
PIMAGE_RESOURCE_DIRECTORY rootresdir,iconresdir,icongroupresdir;
PIMAGE_RESOURCE_DATA_ENTRY idataent,igdataent;
PIMAGE_RESOURCE_DIRECTORY_ENTRY xresent;
int i,j;
if ( !(fmapping = CreateFileMapping32A(hFile,NULL,PAGE_READONLY|SEC_COMMIT,0,0,NULL)))
{ WARN(shell,"failed to create filemap.\n"); /* FIXME, INVALID_HANDLE_VALUE? */
hRet = ICO_INVALID_FILE;
goto end_2; /* failure */
}
if ( !(peimage = MapViewOfFile(fmapping,FILE_MAP_READ,0,0,0)))
{ WARN(shell,"failed to mmap filemap.\n");
hRet = ICO_INVALID_FILE;
goto end_2; /* failure */
}
dheader = (PIMAGE_DOS_HEADER)peimage;
pe_header = (PIMAGE_NT_HEADERS)(peimage+dheader->e_lfanew); /* it is a pe header, SHELL_GetResourceTable checked that */
pe_sections = (PIMAGE_SECTION_HEADER)(((char*)pe_header)+sizeof(*pe_header)); /* probably makes problems with short PE headers...*/
rootresdir = NULL;
for (i=0;i<pe_header->FileHeader.NumberOfSections;i++)
{ if (pe_sections[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
continue;
/* FIXME: doesn't work when the resources are not in a seperate section */
if (pe_sections[i].VirtualAddress == pe_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress)
{ rootresdir = (PIMAGE_RESOURCE_DIRECTORY)((char*)peimage+pe_sections[i].PointerToRawData);
break;
}
}
if (!rootresdir)
{ WARN(shell,"haven't found section for resource directory.\n");
goto end_4; /* failure */
}
/* search the group icon dir*/
if (!(icongroupresdir = GetResDirEntryW(rootresdir,RT_GROUP_ICON32W, (DWORD)rootresdir,FALSE)))
{ WARN(shell,"No Icongroupresourcedirectory!\n");
goto end_4; /* failure */
}
iconDirCount = icongroupresdir->NumberOfNamedEntries+icongroupresdir->NumberOfIdEntries;
/* number of icons requested */
if( nIconIndex == -1 )
{ hRet = iconDirCount;
goto end_3; /* success */
}
if (nIconIndex >= iconDirCount)
{ WARN(shell,"nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
goto end_4; /* failure */
}
xresent = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1); /* caller just wanted the number of entries */
if( n > iconDirCount - nIconIndex ) /* assure we don't get too much ... */
{ n = iconDirCount - nIconIndex;
}
xresent = xresent+nIconIndex; /* starting from specified index ... */
for (i=0;i<n;i++,xresent++)
{ PIMAGE_RESOURCE_DIRECTORY resdir;
/* go down this resource entry, name */
resdir = (PIMAGE_RESOURCE_DIRECTORY)((DWORD)rootresdir+(xresent->u2.s.OffsetToDirectory));
/* default language (0) */
resdir = GetResDirEntryW(resdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
igdataent = (PIMAGE_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;
igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
}
if (!igdata)
{ WARN(shell,"no matching real address for icongroup!\n");
goto end_4; /* failure */
}
RetPtr[i] = LookupIconIdFromDirectoryEx32(igdata, TRUE, cxDesired, cyDesired, LR_DEFAULTCOLOR);
}
if (!(iconresdir=GetResDirEntryW(rootresdir,RT_ICON32W,(DWORD)rootresdir,FALSE)))
{ WARN(shell,"No Iconresourcedirectory!\n");
goto end_4; /* failure */
}
for (i=0;i<n;i++)
{ PIMAGE_RESOURCE_DIRECTORY xresdir;
xresdir = GetResDirEntryW(iconresdir,(LPWSTR)(DWORD)RetPtr[i],(DWORD)rootresdir,FALSE);
xresdir = GetResDirEntryW(xresdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
idataent = (PIMAGE_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(shell,"no matching real address found for icondata!\n");
RetPtr[i]=0;
continue;
}
RetPtr[i] = CreateIconFromResourceEx32(idata,idataent->Size,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
}
hRet = RetPtr[0]; /* return first icon */
goto end_3; /* sucess */
}
hRet = ICO_INVALID_FILE;
goto end_1; /* unknown filetype */
/* cleaning up (try & catch would be nicer:-) ) */
end_4: hRet = 0; /* failure */
end_3: UnmapViewOfFile(peimage); /* success */
end_2: CloseHandle(fmapping);
end_1: _lclose32( hFile);
return hRet;
}
/********************** THE ICON CACHE ********************************/
HIMAGELIST ShellSmallIconList = 0;
HIMAGELIST ShellBigIconList = 0;
HDPA hdpa=0;
typedef struct
{ LPSTR sSourceFile; /* file icon is from */
DWORD dwSourceIndex; /* index within the file */
DWORD dwListIndex; /* index within the iconlist */
} SIC_ENTRY, * LPSIC_ENTRY;
/*****************************************************************************
* SIC_CompareEntrys (internal)
* NOTES
* Callback for DPA_Search
*/
static INT32 SIC_CompareEntrys( LPVOID p1, LPVOID p2, LPARAM lparam)
{ TRACE(shell,"%p %p\n", p1, p2);
if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
return 1;
if (strcmp(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
return 1;
return 0;
}
/*****************************************************************************
* SIC_Add (internal)
*/
INT32 WINAPI SIC_AddIcon (LPSTR sSourceFile, DWORD dwSourceIndex, HICON32 hSmallIcon, HICON32 hBigIcon)
{ LPSIC_ENTRY lpsice;
INT32 index;
TRACE(shell,"%s %li\n", sSourceFile, dwSourceIndex);
lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
lpsice->sSourceFile = HEAP_strdupA (GetProcessHeap(),0,sSourceFile);
lpsice->dwSourceIndex = dwSourceIndex;
/* index = pDPA_Search (hdpa, lpsice, -1, SIC_CompareEntrys, 0, 0);
if ( -1 != index )
{ TRACE(shell, "-- allready inserted\n");
SHFree(lpsice);
return index;
}
*/
index = pDPA_InsertPtr(hdpa, 0x7fff, lpsice);
if ( -1 == index )
{ SHFree(lpsice);
return -1;
}
lpsice->dwListIndex = pImageList_GetImageCount(ShellSmallIconList)+1;
pImageList_AddIcon (ShellSmallIconList, hSmallIcon);
pImageList_AddIcon (ShellBigIconList, hBigIcon);
return index;
}
/*****************************************************************************
* SIC_GetIcon (internal)
* NOTES
* look in the cache for a proper icon. if not available the icon is taken
* from the file and cached
*/
HICON32 WINAPI SIC_GetIcon (LPSTR sSourceFile, DWORD dwSourceIndex, BOOL32 bSmallIcon )
{ LPSIC_ENTRY lpsice;
INT32 index;
HICON32 hSmallIcon, hBigIcon;
TRACE(shell,"%s %li\n", sSourceFile, dwSourceIndex);
lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
lpsice->sSourceFile = HEAP_strdupA (GetProcessHeap(),0,sSourceFile);
lpsice->dwSourceIndex = dwSourceIndex;
index = pDPA_Search (hdpa, lpsice, -1, SIC_CompareEntrys, 0, 0);
if ( -1 != index )
{ TRACE(shell, "-- found\n");
SHFree (lpsice);
index = ((LPSIC_ENTRY)pDPA_GetPtr(hdpa, index))->dwListIndex;
if (bSmallIcon)
return pImageList_GetIcon(ShellSmallIconList, index, ILD_NORMAL);
return pImageList_GetIcon(ShellBigIconList, index, ILD_NORMAL);
}
/*
index = pDPA_InsertPtr(hdpa, 0x7fff, lpsice);
if ( -1 == index )
{ SHFree(lpsice);
}
lpsice->hSmallIcon = hSmallIcon;
lpsice->hBigIcon = hBigIcon;
pImageList_AddIcon (ShellSmallIconList, hSmallIcon);
pImageList_AddIcon (ShellBigIconList, hBigIcon);
*/
return 0;
}
/*****************************************************************************
* SIC_Initialize (internal)
* NOTES
* hack to load the resources from the shell32.dll under a different dll name
* will be removed when the resource-compiler is ready
*/
BOOL32 WINAPI SIC_Initialize(void)
{ CHAR szShellPath[MAX_PATH];
HGLOBAL32 hSmRet, hLgRet;
HICON32 *pSmRet, *pLgRet;
UINT32 index;
TRACE(shell,"\n");
if (hdpa) /* already initialized?*/
return TRUE;
hdpa = pDPA_Create(16);
if (!hdpa)
{ return(FALSE);
}
GetWindowsDirectory32A(szShellPath,MAX_PATH);
PathAddBackslash32A(szShellPath);
strcat(szShellPath,"system\\shell32.dll");
hSmRet = GlobalAlloc32( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON32)*40);
hLgRet = GlobalAlloc32( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON32)*40);
pSmRet = (HICON32*)GlobalLock32(hSmRet);
pLgRet = (HICON32*)GlobalLock32(hLgRet);
ExtractIconEx32A ( szShellPath, 0, pLgRet, pSmRet, 40 );
ShellSmallIconList = pImageList_Create(16,16,ILC_COLORDDB | ILC_MASK,0,0x20);
ShellBigIconList = pImageList_Create(32,32,ILC_COLORDDB | ILC_MASK,0,0x20);
for (index=0; index<40; index++)
{ if (! pSmRet[index] )
{ MSG("*** failure loading resources from %s\n", szShellPath );
MSG("*** this is a hack for loading the internal and external dll at the same time\n");
MSG("*** you can ignore it but you will miss some icons in win95 dialogs\n\n");
break;
}
SIC_AddIcon (szShellPath, index, pSmRet[index], pLgRet[index]);
}
GlobalUnlock32(hLgRet);
GlobalFree32(hLgRet);
GlobalUnlock32(hSmRet);
GlobalFree32(hSmRet);
TRACE(shell,"hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
return TRUE;
}
/*************************************************************************
* Shell_GetImageList [SHELL32.71]
*
* PARAMETERS
* imglist[1|2] [OUT] pointer which recive imagelist handles
*
*/
DWORD WINAPI Shell_GetImageList(HIMAGELIST * imglist1,HIMAGELIST * imglist2)
{ TRACE(shell,"(%p,%p)\n",imglist1,imglist2);
if (imglist1)
{ *imglist1=ShellBigIconList;
}
if (imglist2)
{ *imglist2=ShellSmallIconList;
}
return TRUE;
}
/*************************************************************************
* SHMapPIDLToSystemImageListIndex [SHELL32.77]
*
* PARAMETERS
* x pointer to an instance of IShellFolder
*
* NOTES
* first hack
*
*/
DWORD WINAPI SHMapPIDLToSystemImageListIndex(LPSHELLFOLDER sh,LPITEMIDLIST pidl,DWORD z)
{ LPITEMIDLIST pidltemp = ILFindLastID(pidl);
FIXME(shell,"(SF=%p,pidl=%p,%08lx):stub.\n",sh,pidl,z);
if (_ILIsMyComputer(pidltemp))
{ return 20;
}
else if (_ILIsDrive (pidltemp))
{ return 8;
}
else if (_ILIsFolder (pidltemp))
{ return 3;
}
else
{ return 1;
}
}
/*************************************************************************
* ExtracticonEx32 [shell32.189]
*/
HICON32 WINAPI ExtractIconEx32AW ( LPVOID lpszFile, INT32 nIconIndex, HICON32 * phiconLarge, HICON32 * phiconSmall, UINT32 nIcons )
{ if (VERSION_OsIsUnicode())
return ExtractIconEx32W ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
return ExtractIconEx32A ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
}
/*************************************************************************
* ExtracticonEx32A [shell32.190]
* RETURNS
* 0 no icon found
* 1 file is not valid
* HICON32 handle of a icon (phiconLarge/Small == NULL)
*/
HICON32 WINAPI ExtractIconEx32A ( LPSTR lpszFile, INT32 nIconIndex, HICON32 * phiconLarge, HICON32 * phiconSmall, UINT32 nIcons )
{ HICON32 ret=0;
TRACE(shell,"file=%s idx=%i %p %p num=%i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons );
if (nIconIndex==-1) /* Number of icons requested */
return ICO_ExtractIconEx(lpszFile, NULL, -1, 0, 0, 0 );
if (phiconLarge)
{ ret = ICO_ExtractIconEx(lpszFile, phiconLarge, nIconIndex, nIcons, 32, 32 );
if ( nIcons==1)
{ ret = phiconLarge[0];
}
}
/* if no pointers given and one icon expected, return the handle directly*/
if (!phiconLarge && ! phiconSmall && nIcons==1 )
phiconSmall = &ret;
if (phiconSmall)
{ ret = ICO_ExtractIconEx(lpszFile, phiconSmall, nIconIndex, nIcons, 16, 16 );
if ( nIcons==1 )
{ ret = phiconLarge[0];
}
}
return ret;
}
/*************************************************************************
* ExtracticonEx32W [shell32.191]
*/
HICON32 WINAPI ExtractIconEx32W ( LPWSTR lpszFile, INT32 nIconIndex, HICON32 * phiconLarge, HICON32 * phiconSmall, UINT32 nIcons )
{ LPSTR sFile;
DWORD ret;
TRACE(shell,"file=%s idx=%i %p %p num=%i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons );
sFile = HEAP_strdupWtoA (GetProcessHeap(),0,lpszFile);
ret = ExtractIconEx32A ( sFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
HeapFree(GetProcessHeap(),0,sFile);
return ret;
}
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