@Before
public void setup() {
shape =
new NGShape() {
@Override
public Shape getShape() {
return new Ellipse2D(10, 10, 10, 10);
}
@Override
protected boolean supportsOpaqueRegions() {
return true;
}
@Override
protected RectBounds computeOpaqueRegion(RectBounds opaqueRegion) {
// For the sake of the tests in this class we actually don't care
// what the opaque region is, so I just make something up
opaqueRegion.setBounds(0, 0, 20, 20);
return opaqueRegion;
}
};
shape.setDrawPaint(Color.WHITE);
shape.setFillPaint(Color.BLACK);
}
@Test
public void hasOpaqueRegionReturnsFalseIfFillPaintIsNotOpaque() {
shape.setFillPaint(
new LinearGradient(
0,
0,
1,
1,
BaseTransform.IDENTITY_TRANSFORM,
true,
0,
Arrays.asList(new Stop(Color.BLACK, 0), new Stop(Color.TRANSPARENT, 1))));
assertFalse(shape.hasOpaqueRegion());
}
@Test
public void getOpaqueRegionChangesWhenFillChanged() {
RectBounds or = shape.getOpaqueRegion();
assertNotNull(or);
shape.setFillPaint(null);
assertNull(shape.getOpaqueRegion());
shape.setFillPaint(Color.BLACK);
assertNotNull(shape.getOpaqueRegion());
assertEquals(or, shape.getOpaqueRegion());
}
@Test
public void hasOpaqueRegionReturnsFalseIfFillPaintIsNull() {
shape.setFillPaint(null);
assertFalse(shape.hasOpaqueRegion());
}
@Test
public void hasOpaqueRegionReturnsFalseIfModeIsEmpty() {
shape.setMode(NGShape.Mode.EMPTY);
assertFalse(shape.hasOpaqueRegion());
}
@Test
public void hasOpaqueRegionReturnsFalseIfModeIsStroke() {
shape.setMode(NGShape.Mode.STROKE);
assertFalse(shape.hasOpaqueRegion());
}
@Test
public void getOpaqueRegionChangesWhenModeChanged() {
RectBounds or = shape.getOpaqueRegion();
assertNotNull(or);
shape.setMode(NGShape.Mode.EMPTY);
assertNull(shape.getOpaqueRegion());
shape.setMode(NGShape.Mode.FILL);
assertNotNull(shape.getOpaqueRegion());
assertEquals(or, shape.getOpaqueRegion());
shape.setMode(NGShape.Mode.STROKE);
assertNull(shape.getOpaqueRegion());
shape.setMode(NGShape.Mode.STROKE_FILL);
assertNotNull(shape.getOpaqueRegion());
assertEquals(or, shape.getOpaqueRegion());
}
@Test
public void hasOpaqueRegionReturnsTrueIfModeIsFILL() {
assertTrue(shape.hasOpaqueRegion());
}
@Test
public void hasOpaqueRegionReturnsTrueIfModeIsSTROKE_FILE() {
shape.setMode(NGShape.Mode.STROKE_FILL);
assertTrue(shape.hasOpaqueRegion());
}