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 type { Releasable } from '../../common/Releasable'; 17 18/** 19 * Thumbnail, view layer, data encapsulation 20 */ 21export class Thumbnail implements Releasable { 22 23 /** 24 * pixelMap 25 */ 26 pixelMap?: any = undefined; 27 28 /** 29 * width 30 */ 31 width?: number = 0; 32 33 /** 34 * height 35 */ 36 height?: number = 0; 37 38 constructor(pixelMap: any, width: number, height: number) { 39 this.pixelMap = pixelMap; 40 this.width = width; 41 this.height = height; 42 } 43 44 /** 45 * release source 46 */ 47 release(): void { 48 if (this.pixelMap != null && this.pixelMap != undefined) { 49 this.pixelMap.release(); 50 } 51 this.width = 0; 52 this.height = 0; 53 } 54}