@Test
public void testStretch4_3() {

    RectangleF r43 = new RectangleF(0,0,640,480);
    RectangleF stretch43 = AspectHelper.stretch(r43, r43.getAR());
    Rectangle trans = stretch43.translateImmutable(r43, new RectangleF(0,0,1920,1080)).asIntRect();
    System.out.println(trans);
    assertEquals(0, trans.x);
    assertEquals(0, trans.y);
    assertEquals(1920, trans.width);
    assertEquals(1080, trans.height);
}