1/* 2 * Copyright (c) 2025 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 16// [Start example_pass_obj] 17import { image } from '@kit.ImageKit'; 18 19@Concurrent 20export async function loadPixelMap(rawFileDescriptor: number): Promise<PixelMap> { 21 // 创建imageSource。 22 const imageSource = image.createImageSource(rawFileDescriptor); 23 // 创建pixelMap。 24 const pixelMap = imageSource.createPixelMapSync(); 25 // 释放imageSource。 26 imageSource.release(); 27 // 使pixelMap在跨线程传输完成后，断开原线程的引用。 28 pixelMap.setTransferDetached(true); 29 // 返回pixelMap给主线程。 30 return pixelMap; 31} 32// [End example_pass_obj] 33