code: private RectF getMatrixRectF() {
  		Matrix matrix = scaleMatrix;
  		RectF rect = new RectF();
  		Drawable d = getDrawable();
  		if (null != d) {
  			rect.set(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
  			matrix.mapRect(rect);
  		}
  		return rect;
  	}
docs: Get image boundary from matrix
  
  @return