public override object ProvideValue(IServiceProvider serviceProvider)
{
lock (StoreLock)
{
var storedIcon = StoredIcons.FirstOrDefault(x => x.IconId == IconId && x.Size == Size);
if (storedIcon != null)
{
return(storedIcon.ImageSource);
}
using (
var extractor =
new IconExtractor(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.SystemX86),
LibraryName)))
using (var icon = extractor.GetIconAt(IconId))
{
var info = new IconInfo(icon);
var index = info.GetBestFitIconIndex(new Size(Size, Size));
using (var bestIcon = info.Images[index])
{
var imageSource = Imaging.CreateBitmapSourceFromHIcon(
bestIcon.Handle,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
StoredIcons.Add(new StoredIcon {
IconId = IconId, ImageSource = imageSource, Size = Size
});
return(imageSource);
}
}
}
}
private static BitmapSource LoadIconFromFile(string filePath)
{
string ext = Path.GetExtension(filePath).ToLower();
if (ext == ".exe" || ext == ".ico")
{
Icon icon = null;
if (ext == ".exe")
{
IconExtractor extractor = new IconExtractor(filePath);
icon = extractor.GetIconAt(0);
icon = IconHelper.GetBestFitIcon(icon, new System.Drawing.Size(48, 48));
}
else
{
icon = new System.Drawing.Icon(filePath);
icon = IconHelper.GetBestFitIcon(icon, new System.Drawing.Size(48, 48));
}
BitmapSource bitmap = Imaging.CreateBitmapSourceFromHIcon(
icon.Handle,
new Int32Rect(0, 0, icon.Width, icon.Height),
BitmapSizeOptions.FromEmptyOptions()
);
// Resize if needed
int width = bitmap.PixelWidth;
int height = bitmap.PixelHeight;
// Just incase the icon is having an identity crisis and isn't square
int maxDimension = Math.Max(width, height);
if (maxDimension > 48)
{
bitmap = CreateResizedImage(bitmap, width * 48 / maxDimension, height * 48 / maxDimension);
}
return(bitmap);
}
else
{
BitmapImage bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.UriSource = new Uri(filePath);
bitmap.EndInit();
return(bitmap);
}
}