@Test
public void motionBlurTest() {
setupTest();
effect = new MotionBlur();
drc.deriveWithNewRegions(new RectBounds[] {new RectBounds(50, 50, 60, 60)});
g1bn.setEffect(effect);
g1bn.applyEffect(g1bn.getEffectFilter(), drc, drp);
drcExpected.deriveWithNewRegions(new RectBounds[] {new RectBounds(40, 50, 70, 60)});
compareResult(drcExpected, drc);
((MotionBlur) effect).setAngle((float) Math.toRadians(90));
drc.addDirtyRegion(new RectBounds(70, 70, 80, 80));
gbn.setEffect(effect);
gbn.applyEffect(gbn.getEffectFilter(), drc, drp);
drcExpected.deriveWithNewRegions(
new RectBounds[] {new RectBounds(39, 40, 71, 70), new RectBounds(69, 60, 81, 90)});
compareResult(drcExpected, drc);
}
/**
* Constructs a new {@code MotionBlur} effect with the given radius and angle.
*
* @param radius the radius of the Gaussian kernel
* @param angle the angle of the motion effect, in radians
* @param input the single input {@code Effect}
* @throws IllegalArgumentException if {@code radius} is outside the allowable range
*/
public MotionBlur(float radius, float angle, Effect input) {
super(input);
setRadius(radius);
setAngle(angle);
}
