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
16import { ImageFilterBase } from './ImageFilterBase';
17import { PhotoEditMode } from './PhotoEditType';
18import { PixelMapWrapper } from './PixelMapWrapper';
19
20export abstract class PhotoEditBase {
21  private editMode: PhotoEditMode;
22
23  constructor(mode: PhotoEditMode) {
24    this.editMode = mode;
25  }
26
27  abstract entry(pixelMap: PixelMapWrapper): void;
28
29  abstract exit(): ImageFilterBase;
30
31  abstract clearCanvas(): void;
32
33  abstract setCanvasContext(context: CanvasRenderingContext2D): void;
34
35  abstract setCanvasSize(width: number, height: number): void;
36
37  mode(): PhotoEditMode {
38    return this.editMode;
39  }
40
41  name(): string {
42    return this.toString();
43  }
44
45  private toString(): string {
46    switch (this.editMode) {
47      case PhotoEditMode.EDIT_MODE_CROP:
48        return 'crop';
49      default:
50        return 'unknown';
51    }
52  }
53}