Bitmap <-> BitmapSource converter

BitmapFromBitmapSource.cs

public Bitmap GetBitmap(BitmapSource source)
{
    Bitmap bmp = new Bitmap
    (
      source.PixelWidth,
      source.PixelHeight,
      System.Drawing.Imaging.PixelFormat.Format32bppPArgb
    );

    BitmapData data = bmp.LockBits
    (
        new System.Drawing.Rectangle(System.Drawing.Point.Empty, bmp.Size),
        ImageLockMode.WriteOnly,
        System.Drawing.Imaging.PixelFormat.Format32bppPArgb
    );

    source.CopyPixels
    (
      Int32Rect.Empty,
      data.Scan0,
      data.Height * data.Stride,
      data.Stride
    );

    bmp.UnlockBits(data);

    return bmp;
}

BitmapSourceFromBitmap.cs

public BitmapSource GetBitmapSource(Bitmap bitmap)
{
    BitmapSource bitmapSource = Imaging.CreateBitmapSourceFromHBitmap
    (
        bitmap.GetHbitmap(),
        IntPtr.Zero,
        Int32Rect.Empty,
        BitmapSizeOptions.FromEmptyOptions()
    );

    return bitmapSource;
}