1 /*
2 * Copyright (c) 2002-2025 Gargoyle Software Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 * https://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 package org.htmlunit.util.geometry;
16
17 /**
18 * Simple 2D shape interface.
19 *
20 * @author Ronald Brill
21 */
22 public interface Shape2D {
23
24 /** Constant used for comparing doubles. */
25 double EPSILON = 0.000_000_1;
26
27 /**
28 * @param x point x value
29 * @param y point y value
30 * @return <code>true</code> if the specified point is inside;
31 * <code>false</code> otherwise.
32 */
33 boolean contains(double x, double y);
34
35 /**
36 * @return <code>true</code> if the Shape is empty.
37 */
38 boolean isEmpty();
39 }