protected override void OnDraw (Canvas canvas)
		{
			int sc = canvas.SaveLayer(mBoundsF, mCopyPaint, SaveFlags.HasAlphaLayer | SaveFlags.FullColorLayer);
	        mMaskDrawable.Draw(canvas);
	        canvas.SaveLayer(mBoundsF, mMaskedPaint, 0);
	        base.OnDraw(canvas);
	        canvas.RestoreToCount(sc);
	        mBorderDrawable.Draw(canvas);
		}
 protected override void OnDraw(Canvas canvas)
 {
     Android.Graphics.Drawable.Drawable drawable = GetDrawable();
     if (drawable is BitmapDrawable)
     {
         RectF rectF = new RectF(drawable.GetBounds());
         int restoreCount = canvas.SaveLayer(rectF, null, Canvas.AllSaveFlag);
         GetImageMatrix().MapRect(rectF);
         Paint paint = ((BitmapDrawable)drawable).GetPaint();
         paint.SetAntiAlias(true);
         paint.SetColor(unchecked((int)(0xff000000)));
         canvas.DrawARGB(0, 0, 0, 0);
         canvas.DrawRoundRect(rectF, Radius, Radius, paint);
         Xfermode restoreMode = paint.GetXfermode();
         paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.SrcIn));
         base.OnDraw(canvas);
         // Restore paint and canvas
         paint.SetXfermode(restoreMode);
         canvas.RestoreToCount(restoreCount);
     }
     else
     {
         base.OnDraw(canvas);
     }
 }