private static IImage GetEmptyBitmap()
{
var writeableBitmap = new WriteableBitmap(10, 10, 96, 96, PixelFormats.Bgr24, new BitmapPalette(new List <Color> {
Color.FromRgb(0, 0, 0)
}));
var bmpSrc = Extensions.ConvertWriteableBitmapToBitmapImage(writeableBitmap);
Bgra <byte>[,] colorImg = bmpSrc.ToArray <Bgra <byte> >();
return(colorImg.Lock());
}
public static IImage ToBitmapImage(this Bitmap bitmap)
{
using (var stream = new MemoryStream())
{
bitmap.Save(stream, ImageFormat.Bmp);
stream.Position = 0;
BitmapImage result = new BitmapImage();
result.BeginInit();
// According to MSDN, "The default OnDemand cache option retains access to the stream until the image is needed."
// Force the bitmap to load right now so we can dispose the stream.
result.CacheOption = BitmapCacheOption.OnLoad;
result.StreamSource = stream;
result.EndInit();
result.Freeze();
Bgra <byte>[,] colorImg = result.ToArray <Bgra <byte> >();
return(colorImg.Lock());
}
}
