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.javascript.host.canvas;
16
17 import org.htmlunit.javascript.HtmlUnitScriptable;
18 import org.htmlunit.javascript.configuration.JsxClass;
19 import org.htmlunit.javascript.configuration.JsxConstructor;
20 import org.htmlunit.javascript.configuration.JsxFunction;
21
22 /**
23 * A JavaScript object for {@code CanvasGradient}.
24 *
25 * @author Ahmed Ashour
26 * @author Ronald Brill
27 */
28 @JsxClass
29 public class CanvasGradient extends HtmlUnitScriptable {
30
31 /**
32 * JavaScript constructor.
33 */
34 @JsxConstructor
35 public void jsConstructor() {
36 // nothing to do
37 }
38
39 /**
40 * Adds a new stop, defined by an offset and a color, to the gradient.
41 * @param offset A number between 0 and 1. An INDEX_SIZE_ERR is raised,
42 * if the number is not in that range.
43 * @param color A CSS color. A SYNTAX_ERR is raised, if the value
44 * can not be parsed as a CSS color value.
45 */
46 @JsxFunction
47 public void addColorStop(final double offset, final String color) {
48 // empty
49 }
50 }