https://docu.ilias.de/components/ILIAS/COPage/PC/InteractiveImage/js/editor/src/shape-edit/shape-factory.js

1
2/**
3 * This file is part of ILIAS, a powerful learning management system
4 * published by ILIAS open source e-Learning e.V.
5 *
6 * ILIAS is licensed with the GPL-3.0,
7 * see https://www.gnu.org/licenses/gpl-3.0.en.html
8 * You should have received a copy of said license along with the
9 * source code, too.
10 *
11 * If this is not the case or you just want to try ILIAS, you'll find
12 * us at:
13 * https://www.ilias.de
14 * https://github.com/ILIAS-eLearning
15 *
16 *********************************************************************/
17
18import Handle from "./handle.js";
19import Rect from "./rect.js";
20import Circle from "./circle.js";
21import Poly from "./poly.js";
22
23/**
24 * Shape
25 */
26export default class ShapeFactory {
27
28  constructor() {
29  }
30
31  /**
32   * @param int x
33   * @param int y
34   * @return Handle
35   */
36  handle(x, y) {
37    return new Handle(x, y);
38  }
39
40  /**
41   * @param int x1
42   * @param int y1
43   * @param int x2
44   * @param int y2
45   * @return Rect
46   */
47  rect(x1, y1, x2, y2, data = {}) {
48    return new Rect(this.handle(x1, y1), this.handle(x2, y2), data);
49  }
50
51  rectFromCoordString(coordStr, data = {}) {
52    return new Rect(this.handle(x1, y1), this.handle(x2, y2), data);
53  }
54
55  /**
56   * @param int x1
57   * @param int y1
58   * @param int x2
59   * @param int y2
60   * @return Circle
61   */
62  circle(x1, y1, x2, y2, data = {}) {
63    return new Circle(this.handle(x1, y1), this.handle(x2, y2), data);
64  }
65
66  /**
67   * @return Poly
68   */
69  poly(coords, data = {}) {
70    const p = new Poly(data);
71    for (let i=0; i < (coords.length / 2); i++) {
72      p.addHandle(this.handle(coords[i*2], coords[i*2+1]));
73    }
74    return p;
75  }
76
77}