1/* 2 * Copyright (c) 2024 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 image from '@ohos.multimedia.image'; 17 18export class ImageUtils { 19 private static instance: ImageUtils; 20 21 public static getInstance(): ImageUtils { 22 if (!ImageUtils.instance) { 23 ImageUtils.instance = new ImageUtils(); 24 } 25 return ImageUtils.instance; 26 } 27 28 async getPixelMap(resource: Resource): Promise<image.PixelMap> { 29 const resourceStr = getContext(this).resourceManager; 30 let imageBuffer = await resourceStr.getMediaContent(resource); 31 const pixelMap = await image.createImageSource(imageBuffer.buffer as object as ArrayBuffer).createPixelMap(); 32 return pixelMap; 33 } 34 35 async getPixelMapByFilePath(filePath: string): Promise<image.PixelMap> { 36 const imageSource: image.ImageSource = image.createImageSource(filePath) 37 const pixelMap = await imageSource.createPixelMap(); 38 return pixelMap; 39 } 40}