1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://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
16export class Ratio {
17  private w: number;
18  private h: number;
19
20  constructor(w: number, h: number) {
21    this.w = w;
22    this.h = h;
23  }
24
25  set(w: number, h: number): void {
26    this.w = w;
27    this.h = h;
28  }
29
30  getW(): number {
31    return this.w;
32  }
33
34  getH(): number {
35    return this.h;
36  }
37
38  getRate(): number {
39    return (this.w / this.h);
40  }
41
42  isValid(): boolean {
43    return (this.w > 0 && this.h > 0);
44  }
45}