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 setCanvasContext(context: CanvasRenderingContext2D): void; 32 33 abstract setCanvasSize(width: number, height: number): void; 34 35 mode(): PhotoEditMode { 36 return this.editMode; 37 } 38 39 name(): string { 40 return this.toString(); 41 } 42 43 private toString(): string { 44 switch (this.editMode) { 45 case PhotoEditMode.EDIT_MODE_CROP: 46 return 'crop'; 47 default: 48 return 'unknown'; 49 } 50 } 51}