HICON FileManager::GetFileIcon(LPCTSTR lpszFile)
{
if (INVALID_FILE_ATTRIBUTES == ::GetFileAttributes(lpszFile))
return false;
HICON hIcon = NULL;
SHFILEINFO sfi = { 0 };
//HIMAGELIST hil;
PIDLIST_ABSOLUTE pidl = ::ILCreateFromPath(lpszFile);
if (pidl)
{
::SHGetFileInfo((TCHAR*)pidl /*t_wszActionPath*/, FILE_ATTRIBUTE_NORMAL, &sfi, sizeof(sfi),
SHGFI_SYSICONINDEX | SHGFI_ICON | SHGFI_LARGEICON | SHGFI_PIDL);
ILFree(pidl);
IImageList *lpImgList = NULL;
::SHGetImageList(SHIL_EXTRALARGE, IID_IImageList, (void**)&lpImgList);
if (lpImgList)
{
lpImgList->GetIcon(sfi.iIcon, ILD_NORMAL, &hIcon);//ILD_TRANSPARENT | ILD_BLEND50 | ILD_BLEND25
lpImgList->Release();
}
::DestroyIcon(sfi.hIcon);
}
return hIcon;
}
HRESULT PreviewGenerator::GetHighResolutionIcon(CString filePath)
{
// Get the image list index of the icon
SHFILEINFO sfi;
if (!SHGetFileInfo(filePath, 0, &sfi, sizeof(sfi), SHGFI_SYSICONINDEX)) return NULL;
// Get the jumbo image list
IImageList *piml;
HRESULT hr = SHGetImageList(SHIL_JUMBO, IID_PPV_ARGS(&piml));
if (hr != S_OK) return hr;
// Extract an icon
HICON hico;
piml->GetIcon(sfi.iIcon, ILD_IMAGE, &hico);
HDC hdc = previewControl->GetDC()->GetSafeHdc();
DrawIconEx(hdc, 0, 0, hico, 256, 256, 0, NULL, DI_NORMAL);
//ICONINFO iconinfo;
//GetIconInfo(hico, &iconinfo);
//HBITMAP hBitmap = iconinfo.hbmColor;
//BITMAP bmpInfo;
//GetObject(hBitmap, sizeof(bmpInfo), &bmpInfo);
//SIZE bitmapSize;
//bitmapSize.cx = bmpInfo.bmWidth;
//bitmapSize.cy = bmpInfo.bmHeight;
piml->Release();
return hr;
}
//------------------------------------------------------------------------------
// CDevicePropertyPage::GetIconFromItem [STATIC FUNC]
//
// Gets a handle to the icon of the shell item. phIcon needs to be cleaned
// up with DestroyIcon() when done.
//------------------------------------------------------------------------------
HRESULT CDevicePropertyPage::GetIconFromItem(
__in IShellItem* pShellItem,
__in int iImageList,
__out HICON* phIcon
)
{
HRESULT hr = S_OK;
int iIcon = 0;
PITEMID_CHILD pidl = NULL;
IImageList* pImageList = NULL;
IParentAndItem* pParentAndItem = NULL;
IShellFolder* pShellFolder = NULL;
*phIcon = NULL;
hr = pShellItem->QueryInterface( &pParentAndItem );
if( S_OK == hr )
{
hr = pParentAndItem->GetParentAndItem( NULL, &pShellFolder, &pidl );
}
if( S_OK == hr )
{
hr = SHGetImageList(
iImageList,
__uuidof(IImageList),
reinterpret_cast<void**>(&pImageList)
);
}
if( S_OK == hr )
{
iIcon = SHMapPIDLToSystemImageListIndex( pShellFolder, pidl, NULL );
hr = pImageList->GetIcon( iIcon, 0, phIcon );
}
//
// Cleanup
//
if( NULL != pImageList )
{
pImageList->Release();
}
if( NULL != pidl )
{
ILFree( pidl );
}
if( NULL != pShellFolder )
{
pShellFolder->Release();
}
if( NULL != pParentAndItem )
{
pParentAndItem->Release();
}
return hr;
}// CDevicePropertyPage::GetIconFromItem
bool WinIconProvider::addIconFromImageList(int imageListIndex, int iconIndex, QIcon& icon) const
{
HICON hIcon = 0;
IImageList* imageList;
HRESULT hResult = SHGetImageList(imageListIndex, IID_IImageList, (void**)&imageList);
if (hResult == S_OK)
{
hResult = ((IImageList*)imageList)->GetIcon(iconIndex, ILD_TRANSPARENT, &hIcon);
imageList->Release();
}
if (hResult == S_OK && hIcon)
{
icon.addPixmap(QtWin::fromHICON(hIcon));
DestroyIcon(hIcon);
}
return SUCCEEDED(hResult);
}
HICON GetHighResolutionIcon(LPTSTR pszPath)
{
// Get the image list index of the icon
SHFILEINFO sfi;
if (!SHGetFileInfo(pszPath, -1, &sfi, sizeof(sfi), SHGFI_SYSICONINDEX | SHGFI_ICON | SHGFI_LARGEICON))
{
return NULL;
}
// Get the jumbo image list
IImageList *piml;
if (DEFAULT_ICOH_SIZE_WIDHT == 32)
{
if (FAILED(SHGetImageList(SHIL_LARGE, IID_IImageList, (void **)(&piml))))
{
return NULL;
}
}
else // 48
{
if (FAILED(SHGetImageList(SHIL_EXTRALARGE, IID_IImageList, (void **)(&piml))))
{
return NULL;
}
}
// Extract an icon
HICON hico;
piml->GetIcon(sfi.iIcon, ILD_TRANSPARENT, &hico);
int w, h;
piml->GetIconSize(&w, &h);
// Clean up
piml->Release();
// Return the icon
return hico;
}
