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Author SHA1 Message Date
zgf cab7c0f0f8
Pre Merge pull request !411 from zgf/3.x 2024-10-25 01:46:52 +00:00
zgf e641e99cb8 子线程网络请求和自定义网络改为异步请求
Signed-off-by: zgf <zenggaofeng2@h-partners.com>
2024-10-25 01:46:51 +00:00
zgf 1dde38f537 子线程网络请求和自定义网络改为异步请求
Signed-off-by: zgf <zenggaofeng2@h-partners.com>
2024-10-25 09:44:54 +08:00
17 changed files with 248 additions and 115 deletions

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@ -1,3 +1,9 @@
## 3.2.0-rc.0
- Rollback the old version V1 decorator. V2 decorator will be provided in version 4.x
- The sub-thread network request is changed to asynchronous, thereby increasing the number of concurrent sub-thread network requests
- Set the concurrency through the setMaxRequests interface under the ImageKnife class
- Custom network changed to asynchronous request
## 3.0.3
- Released version 3.0.3

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@ -0,0 +1,78 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { InfoItem } from './model/DataSourcePrefetching';
import { PageViewModel } from './model/PageViewModel';
import { ImageKnifeComponent, ImageKnife } from '@ohos/libraryimageknife';
import { CommonDataSource, GetSession } from './model/CommonDataSource';
import { rcp } from '@kit.RemoteCommunicationKit';
import { BusinessError } from '@kit.BasicServicesKit';
@Entry
@Component
export struct CustomNetImagePage {
@State hotCommendList:CommonDataSource<InfoItem> = new CommonDataSource<InfoItem>([])
aboutToAppear(): void {
ImageKnife.getInstance().setMaxRequests(32)
this.hotCommendList.addData(this.hotCommendList.totalCount(),PageViewModel.getItems())
}
aboutToDisappear(): void {
ImageKnife.getInstance().setMaxRequests(8)
}
build() {
Column() {
WaterFlow() {
LazyForEach(this.hotCommendList,(item: InfoItem)=>{
FlowItem() {
Column(){
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: item.albumUrl,
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.failed"),
customGetImage:custom
}
}).width("50%").height(200)
}
}.height(200)
.backgroundColor("#95efd2")
},(item: string) => item)
}.columnsTemplate("1fr 1fr")
.columnsGap(10)
.rowsGap(5)
.backgroundColor(0xFAEEE0)
.width("100%").height("100%")
}
}
}
// 自定义下载方法
@Concurrent
async function custom(context: Context, src: string | PixelMap | Resource,headers?: Record<string,Object>): Promise<ArrayBuffer | undefined> {
return new Promise((resolve,reject)=>{
if (typeof src == "string") {
let session = GetSession.session
let req = new rcp.Request(src,"GET");
session.fetch(req).then((response)=>{
if(response.statusCode == 200) {
let buffer = response.body
resolve(buffer)
} else {
reject("rcp code:"+response.statusCode)
}
}).catch((err:BusinessError)=>{
reject("error rcp src:"+src+",err:"+JSON.stringify(err))
})
}
})
}

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@ -50,6 +50,11 @@ struct Index {
uri: 'pages/TestCommonImage',
});
})
Button($r('app.string.Customize_RCP_network')).margin({top:10}).onClick(()=>{
router.push({
uri: 'pages/CustomNetImagePage',
});
})
Button($r('app.string.Test_Task_error')).margin({top:10}).onClick(()=>{
router.push({
uri: 'pages/TestTaskResourcePage',

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@ -109,7 +109,7 @@ struct LoadStatePage {
}
// 自定义下载方法
@Concurrent
async function custom(context: Context, src: string | PixelMap | Resource): Promise<ArrayBuffer | undefined> {
async function custom(context: Context, src: string | PixelMap | Resource,headers?: Record<string,Object>): Promise<ArrayBuffer | undefined> {
console.info("ImageKnife:: custom download" + src)
// 举例写死从本地文件读取,也可以自己请求网络图片
return undefined

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@ -128,10 +128,11 @@ struct SingleImage {
// 自定义下载方法
@Concurrent
async function custom(context: Context, src: string | PixelMap | Resource,headers?: Record<string, Object>): Promise<ArrayBuffer | undefined> {
async function custom(context: Context, src: string | PixelMap | Resource,headers?: Record<string,Object>): Promise<ArrayBuffer | undefined> {
let refer = headers!["refer"] as string
console.info("ImageKnife:: custom download" + src,"refer:"+refer)
// 举例写死从本地文件读取,也可以自己请求网络图片
return context.resourceManager.getMediaContentSync($r("app.media.startIcon").id).buffer as ArrayBuffer
let buffer = context.resourceManager.getMediaContentSync($r("app.media.startIcon").id).buffer as ArrayBuffer
return buffer
}

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@ -60,8 +60,9 @@ struct TestSetCustomImagePage {
}
}
@Concurrent
async function custom(context: Context, src: string | PixelMap | Resource): Promise<ArrayBuffer | undefined> {
async function custom(context: Context, src: string | PixelMap | Resource,headers?: Record<string,Object>): Promise<ArrayBuffer | undefined> {
console.info("ImageKnife:: custom download" + src)
// 举例写死从本地文件读取,也可以自己请求网络图片
return context.resourceManager.getMediaContentSync($r("app.media.pngSample").id).buffer as ArrayBuffer
let buffer = context.resourceManager.getMediaContentSync($r("app.media.pngSample").id).buffer as ArrayBuffer
return buffer
}

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@ -12,6 +12,9 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { statfs } from '@kit.CoreFileKit'
import { rcp } from '@kit.RemoteCommunicationKit'
export class CommonDataSource <T> implements IDataSource {
private dataArray: T[] = []
private listeners: DataChangeListener[] = []
@ -52,3 +55,6 @@ export class CommonDataSource <T> implements IDataSource {
})
}
}
export class GetSession {
static session:rcp.Session = rcp.createSession()
}

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@ -503,6 +503,10 @@
{
"name": "disk",
"value": "Disk"
},
{
"name": "Customize_RCP_network",
"value": "Customize RCP network request"
}
]
}

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@ -31,6 +31,7 @@
"pages/PrefetchAndPreload",
"pages/TestCacheDataPage",
"pages/TestChangeColorPage",
"pages/TestLoadCancelListenerPage"
"pages/TestLoadCancelListenerPage",
"pages/CustomNetImagePage"
]
}

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@ -499,6 +499,10 @@
{
"name": "disk",
"value": "磁盘"
},
{
"name": "Customize_RCP_network",
"value": "自定义rcp网络请求"
}
]
}

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@ -14,7 +14,7 @@
"main": "index.ets",
"repository": "https://gitee.com/openharmony-tpc/ImageKnife",
"type": "module",
"version": "3.0.3",
"version": "3.2.0-rc.0",
"dependencies": {
"@ohos/gpu_transform": "^1.0.2"
},

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@ -38,7 +38,7 @@ export class ImageKnife {
private _isRequestInSubThread: boolean = true;
//定义全局网络请求header map
headerMap: Map<string, Object> = new Map<string, Object>();
customGetImage: ((context: Context, src: string | PixelMap | Resource) => Promise<ArrayBuffer | undefined>) | undefined = undefined
customGetImage: ((context: Context, src: string | PixelMap | Resource,headers?: Record<string,Object>) => Promise<ArrayBuffer | undefined>) | undefined = undefined
public static getInstance(): ImageKnife {
if (!ImageKnife.instance) {
ImageKnife.instance = new ImageKnife();
@ -482,10 +482,10 @@ export class ImageKnife {
* 全局设置自定义下载
* @param customGetImage 自定义请求函数
*/
setCustomGetImage(customGetImage?: (context: Context, src: string | PixelMap | Resource,headers?: Record<string, Object>) => Promise<ArrayBuffer | undefined>) {
setCustomGetImage(customGetImage?: (context: Context, src: string | PixelMap | Resource,headers?: Record<string,Object>) => Promise<ArrayBuffer | undefined>) {
this.customGetImage = customGetImage
}
getCustomGetImage(): undefined | ((context: Context, src: string | PixelMap | Resource,headers?: Record<string, Object>) => Promise<ArrayBuffer | undefined>){
getCustomGetImage(): undefined | ((context: Context, src: string | PixelMap | Resource,headers?: Record<string,Object>) => Promise<ArrayBuffer | undefined>){
return this.customGetImage
}
}

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@ -189,6 +189,16 @@ export class ImageKnifeDispatcher {
if(request.customGetImage == undefined) {
request.customGetImage = ImageKnife.getInstance().getCustomGetImage()
}
emitter.on(Constants.CALLBACK_EMITTER + memoryKey,(data)=>{
emitter.off(Constants.CALLBACK_EMITTER + memoryKey)
let res = data?.data?.value as RequestJobResult | undefined
this.doTaskCallback(res, requestList!, currentRequest, memoryKey, imageSrc, requestSource,isAnimator);
if (isWatchProgress){
emitter.off(Constants.PROGRESS_EMITTER + memoryKey)
}
LogUtil.log("ImageKnife_DataTime_getAndShowImage_execute.end:"+currentRequest.imageKnifeOption.loadSrc)
LogUtil.log("ImageKnife_DataTime_getAndShowImage.end:"+currentRequest.imageKnifeOption.loadSrc)
})
if (ImageKnife.getInstance().isRequestInSubThread){
// 启动线程下载和解码主图
LogUtil.log("ImageKnife_DataTime_getAndShowImage_Task.start:" + currentRequest.imageKnifeOption.loadSrc)
@ -202,13 +212,14 @@ export class ImageKnifeDispatcher {
LogUtil.log("ImageKnife_DataTime_getAndShowImage_execute.start(subthread):" + currentRequest.imageKnifeOption.loadSrc)
taskpool.execute(task).then((res: Object) => {
this.doTaskCallback(res as RequestJobResult | undefined, requestList!, currentRequest, memoryKey, imageSrc, requestSource,isAnimator);
if (isWatchProgress){
emitter.off(Constants.PROGRESS_EMITTER + memoryKey)
}
LogUtil.log("ImageKnife_DataTime_getAndShowImage_execute.end:"+currentRequest.imageKnifeOption.loadSrc)
LogUtil.log("ImageKnife_DataTime_getAndShowImage.end:"+currentRequest.imageKnifeOption.loadSrc)
// this.doTaskCallback(res as RequestJobResult | undefined, requestList!, currentRequest, memoryKey, imageSrc, requestSource,isAnimator);
// if (isWatchProgress){
// emitter.off(Constants.PROGRESS_EMITTER + memoryKey)
// }
// LogUtil.log("ImageKnife_DataTime_getAndShowImage_execute.end:"+currentRequest.imageKnifeOption.loadSrc)
// LogUtil.log("ImageKnife_DataTime_getAndShowImage.end:"+currentRequest.imageKnifeOption.loadSrc)
}).catch((err: BusinessError) => {
emitter.off(Constants.CALLBACK_EMITTER + memoryKey)
LogUtil.error("Fail to requestJob in sub thread src=" + imageSrc + " err=" + err)
LogUtil.log("ImageKnife_DataTime_getAndShowImage.end:" + currentRequest.imageKnifeOption.loadSrc)
if (isWatchProgress){
@ -219,11 +230,12 @@ export class ImageKnifeDispatcher {
})
} else { //主线程请求
LogUtil.log("ImageKnife_DataTime_getAndShowImage_execute.start(mainthread):" + currentRequest.imageKnifeOption.loadSrc)
requestJob(request, requestList).then((res: RequestJobResult | undefined) => {
this.doTaskCallback(res, requestList!, currentRequest, memoryKey, imageSrc, requestSource,isAnimator);
LogUtil.log("ImageKnife_DataTime_getAndShowImage_execute.end:"+currentRequest.imageKnifeOption.loadSrc)
LogUtil.log("ImageKnife_DataTime_getAndShowImage.end:"+currentRequest.imageKnifeOption.loadSrc)
requestJob(request, requestList).then(() => {
// this.doTaskCallback(res, requestList!, currentRequest, memoryKey, imageSrc, requestSource,isAnimator);
// LogUtil.log("ImageKnife_DataTime_getAndShowImage_execute.end:"+currentRequest.imageKnifeOption.loadSrc)
// LogUtil.log("ImageKnife_DataTime_getAndShowImage.end:"+currentRequest.imageKnifeOption.loadSrc)
}).catch((err: BusinessError) => {
emitter.off(Constants.CALLBACK_EMITTER + memoryKey)
LogUtil.error("Fail to requestJob in main thread src=" + imageSrc + " err=" + err)
LogUtil.log("ImageKnife_DataTime_getAndShowImage.end:" + currentRequest.imageKnifeOption.loadSrc)
this.executingJobMap.remove(memoryKey);
@ -392,44 +404,15 @@ export class ImageKnifeDispatcher {
* @returns
*/
@Concurrent
async function requestJob(request: RequestJobRequest, requestList?: List<ImageKnifeRequestWithSource>): Promise<RequestJobResult | undefined> {
async function requestJob(request: RequestJobRequest, requestList?: List<ImageKnifeRequestWithSource>) {
LogUtil.log("ImageKnife_DataTime_requestJob.start:" + request.src + " requestSource=" + request.requestSource)
let src = typeof request.src == "number" ? request.resName != undefined ? request.resName : request.src + "" : request.src
// 生成文件缓存key
let fileKey = request.engineKey.generateFileKey(src, request.signature, request.isAnimator)
//获取图片资源
let resBuf: ArrayBuffer
try {
LogUtil.log("ImageKnife_DataTime_requestJob.getImageArrayBuffer.start:" + request.src)
resBuf = await ImageKnifeLoader.getImageArrayBuffer(request, requestList, fileKey)
LogUtil.log("ImageKnife_DataTime_requestJob.getImageArrayBuffer.end:" + request.src)
} catch (error) {
LogUtil.error("ImageKnife_DataTime_requestJob.end: getImageArrayBuffer error " + request.src + " err=" + error)
return ImageKnifeLoader.makeEmptyResult(error)
}
ImageKnifeLoader.execute(request,requestList,fileKey)
// 获取图片类型
let typeValue = new FileTypeUtil().getFileType(resBuf);
if(typeValue == null) {
LogUtil.log("ImageKnife_DataTime_requestJob.end: getFileType is null " + request.src)
return ImageKnifeLoader.makeEmptyResult("request is not a valid image source")
}
// 解析图片
LogUtil.log("ImageKnife_DataTime_requestJob.parseImage.start:" + request.src)
let result: RequestJobResult = await ImageKnifeLoader.parseImage(resBuf, typeValue, fileKey, request)
LogUtil.log("ImageKnife_DataTime_requestJob.parseImage.end:" + request.src)
// 图形变化
if (request.requestSource === ImageKnifeRequestSource.SRC && request.transformation !== undefined && result?.pixelMap !== undefined && typeof result.pixelMap !== 'string') {
LogUtil.log("ImageKnife_DataTime_requestJob.transform.start:" + request.src)
result.pixelMap = await request.transformation?.transform(request.context, result.pixelMap, request.componentWidth, request.componentHeight);
LogUtil.log("ImageKnife_DataTime_requestJob.transform.end:" + request.src)
}
LogUtil.log("ImageKnife_DataTime_requestJob.end:" + request.src)
return result
}

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@ -28,6 +28,7 @@ import emitter from '@ohos.events.emitter';
import image from '@ohos.multimedia.image';
import { RequestJobResult } from './model/ImageKnifeData'
import util from '@ohos.util';
import { FileTypeUtil } from './utils/FileTypeUtil';
class RequestData {
receiveSize: number = 2000
@ -38,38 +39,52 @@ class RequestData {
* ImageKnifeDispatcher 抽取出来的方法,因@Concurrent只能import方法故抽取到另一个类
*/
export class ImageKnifeLoader {
static async parseImage(resBuf: ArrayBuffer, typeValue: string, fileKey: string,
request: RequestJobRequest): Promise<RequestJobResult> {
static execute(request: RequestJobRequest, requestList: List<ImageKnifeRequestWithSource> | undefined, fileKey: string){
ImageKnifeLoader.getImageArrayBuffer(request,requestList,fileKey)
}
static async parseImage(resBuf: ArrayBuffer, fileKey: string,
request: RequestJobRequest) {
let typeValue = new FileTypeUtil().getFileType(resBuf);
if(typeValue == null) {
LogUtil.log("ImageKnife_DataTime_requestJob.end: getFileType is null " + request.src)
ImageKnifeLoader.makeEmptyResult(request,"request is not a valid image source")
return
}
if(request.isAnimator) {
return ImageKnifeLoader.parseForAnimatorComponent(resBuf ,typeValue ,fileKey, request)
ImageKnifeLoader.parseForAnimatorComponent(resBuf ,typeValue ,fileKey, request)
return
}
if (typeValue === 'gif' || typeValue === 'webp') {
return ImageKnifeLoader.parseAnimatorImage(resBuf ,typeValue ,fileKey , request)
ImageKnifeLoader.parseAnimatorImage(resBuf ,typeValue ,fileKey , request)
return
} else if(typeValue == "svg") {
return ImageKnifeLoader.parseSvgImage(resBuf ,typeValue ,fileKey , request)
ImageKnifeLoader.parseSvgImage(resBuf ,typeValue ,fileKey , request)
return
}
return ImageKnifeLoader.parseNormalImage(resBuf, typeValue, fileKey, request)
ImageKnifeLoader.parseNormalImage(resBuf, typeValue, fileKey, request)
}
static makeEmptyResult(error: string): RequestJobResult{
return {
static makeEmptyResult(request:RequestJobRequest,error: string){
let res: RequestJobResult = {
pixelMap: undefined,
bufferSize: 0,
fileKey: '',
loadFail: error,
}
emitter.emit(Constants.CALLBACK_EMITTER + request.memoryKey, { data: { "value": res } })
}
static async parseNormalImage(resBuf: ArrayBuffer, typeValue: string, fileKey: string, request: RequestJobRequest):Promise<RequestJobResult> {
static async parseNormalImage(resBuf: ArrayBuffer, typeValue: string, fileKey: string, request: RequestJobRequest) {
let resPixelmap: PixelMap | undefined = undefined
let decodingOptions: image.DecodingOptions = {
editable: request.requestSource === ImageKnifeRequestSource.SRC && request.transformation !== undefined ? true : false,
}
let imageSource: image.ImageSource = image.createImageSource(resBuf)
if (imageSource === undefined){
return ImageKnifeLoader.makeEmptyResult("image.createImageSource failed")
ImageKnifeLoader.makeEmptyResult(request,"image.createImageSource failed")
return
}
let size = (await imageSource.getImageInfo()).size
@ -79,23 +94,30 @@ export class ImageKnifeLoader {
imageSource.release()
}).catch((error: BusinessError) => {
imageSource.release()
return ImageKnifeLoader.makeEmptyResult(JSON.stringify(error))
ImageKnifeLoader.makeEmptyResult(request,JSON.stringify(error))
return
})
return {
if (request.requestSource === ImageKnifeRequestSource.SRC && request.transformation !== undefined && resPixelmap !== undefined) {
LogUtil.log("ImageKnife_DataTime_requestJob.transform.start:" + request.src)
resPixelmap = await request.transformation?.transform(request.context, resPixelmap, request.componentWidth, request.componentHeight);
LogUtil.log("ImageKnife_DataTime_requestJob.transform.end:" + request.src)
}
let res: RequestJobResult = {
pixelMap: resPixelmap,
bufferSize: resBuf.byteLength,
fileKey: fileKey,
size:size,
type:typeValue
};
}
emitter.emit(Constants.CALLBACK_EMITTER + request.memoryKey, { data: { "value": res } })
}
static async parseSvgImage(resBuf: ArrayBuffer, typeValue: string, fileKey: string,
request: RequestJobRequest): Promise<RequestJobResult> {
request: RequestJobRequest) {
let resPixelmap: PixelMap | undefined = undefined
let imageSource: image.ImageSource = image.createImageSource(resBuf)
if (imageSource === undefined){
return ImageKnifeLoader.makeEmptyResult("image.createImageSource failed")
ImageKnifeLoader.makeEmptyResult(request,"image.createImageSource failed")
return
}
let size = (await imageSource.getImageInfo()).size
@ -116,21 +138,23 @@ export class ImageKnifeLoader {
imageSource.release()
}).catch((error: BusinessError) => {
imageSource.release()
return ImageKnifeLoader.makeEmptyResult(JSON.stringify(error))
ImageKnifeLoader.makeEmptyResult(request,JSON.stringify(error))
return
})
return {
let res: RequestJobResult = {
pixelMap: resPixelmap,
bufferSize: resBuf.byteLength,
fileKey: fileKey,
type:typeValue
};
}
emitter.emit(Constants.CALLBACK_EMITTER + request.memoryKey, { data: { "value": res } })
}
static async parseAnimatorImage(resBuf: ArrayBuffer, typeValue: string,
fileKey: string,request: RequestJobRequest): Promise<RequestJobResult> {
fileKey: string,request: RequestJobRequest) {
let imageSource: image.ImageSource = image.createImageSource(resBuf)
if (imageSource === undefined){
return ImageKnifeLoader.makeEmptyResult("image.createImageSource failed")
ImageKnifeLoader.makeEmptyResult(request,"image.createImageSource failed")
return
}
let frameCount = await imageSource.getFrameCount()
@ -140,22 +164,25 @@ export class ImageKnifeLoader {
if(frameCount == undefined || frameCount == 1) {
} else {
let base64str = "data:image/" + typeValue + ";base64," + new util.Base64Helper().encodeToStringSync(new Uint8Array(resBuf))
return {
let res: RequestJobResult = {
pixelMap: base64str,
bufferSize: resBuf.byteLength,
fileKey: fileKey,
size:size,
type:typeValue
};
}
emitter.emit(Constants.CALLBACK_EMITTER + request.memoryKey, { data: { "value": res } })
return
}
return ImageKnifeLoader.parseNormalImage(resBuf, typeValue, fileKey, request)
ImageKnifeLoader.parseNormalImage(resBuf, typeValue, fileKey, request)
}
// 为AnimatorComponent解析动图
static async parseForAnimatorComponent(resBuf: ArrayBuffer, typeValue: string, fileKey: string,request: RequestJobRequest): Promise<RequestJobResult> {
static async parseForAnimatorComponent(resBuf: ArrayBuffer, typeValue: string, fileKey: string,request: RequestJobRequest) {
if (typeValue === 'gif' || typeValue === 'webp') {
let imageSource: image.ImageSource = image.createImageSource(resBuf);
if (imageSource === undefined){
return ImageKnifeLoader.makeEmptyResult("image.createImageSource failed")
ImageKnifeLoader.makeEmptyResult(request,"image.createImageSource failed")
return
}
let decodingOptions: image.DecodingOptions = {
editable: request.requestSource === ImageKnifeRequestSource.SRC && request.transformation !== undefined ? true : false,
@ -179,9 +206,10 @@ export class ImageKnifeLoader {
})
}).catch((error: BusinessError) => {
imageSource.release()
return ImageKnifeLoader.makeEmptyResult(JSON.stringify(error))
ImageKnifeLoader.makeEmptyResult(request,JSON.stringify(error))
return
})
return {
let res: RequestJobResult = {
pixelMap: "",
bufferSize: resBuf.byteLength,
fileKey: fileKey,
@ -189,8 +217,9 @@ export class ImageKnifeLoader {
pixelMapList,
delayList
}
emitter.emit(Constants.CALLBACK_EMITTER + request.memoryKey, { data: { "value": res } })
} else {
return ImageKnifeLoader.makeEmptyResult("ImageKnifeAnimatorComponent组件仅支持动态图")
ImageKnifeLoader.makeEmptyResult(request,"ImageKnifeAnimatorComponent组件仅支持动态图")
}
}
static getHeaderObj(request:RequestJobRequest){
@ -207,31 +236,40 @@ export class ImageKnifeLoader {
return headerObj
}
// 获取图片资源
static async getImageArrayBuffer(request: RequestJobRequest, requestList: List<ImageKnifeRequestWithSource> | undefined,fileKey:string): Promise<ArrayBuffer> {
static async getImageArrayBuffer(request: RequestJobRequest, requestList: List<ImageKnifeRequestWithSource> | undefined,fileKey:string) {
let resBuf: ArrayBuffer | undefined
let loadError: string = ""
// 判断自定义下载
if (request.customGetImage !== undefined && request.requestSource == ImageKnifeRequestSource.SRC && typeof request.src == "string") {
// 先从文件缓存获取
resBuf = FileCache.getFileCacheByFile(request.context, fileKey , request.fileCacheFolder)
if (resBuf === undefined) {
LogUtil.log("start customGetImage src=" + request.src)
const headerObj: Record<string, Object> = ImageKnifeLoader.getHeaderObj(request)
try {
const headerObj: Record<string, Object> = ImageKnifeLoader.getHeaderObj(request)
resBuf = await request.customGetImage(request.context, request.src,headerObj)
LogUtil.log("end customGetImage src=" + request.src)
} catch (err) {
throw new Error('customGetImage loadFile failed! err = ' + err)
}
if (resBuf === undefined) {
throw new Error('customGetImage loadFile failed!')
}
// 保存文件缓存
if (request.writeCacheStrategy !== CacheStrategy.Memory) {
LogUtil.log("ImageKnife_DataTime_requestJob_saveFileCacheOnlyFile.start:" + request.src)
FileCache.saveFileCacheOnlyFile(request.context, fileKey, resBuf, request.fileCacheFolder)
LogUtil.log("ImageKnife_DataTime_requestJob_saveFileCacheOnlyFile.end:" + request.src)
request.customGetImage(request.context, request.src, headerObj)
.then((buffer)=>{
if(buffer != undefined) {
// 保存文件缓存
if (request.writeCacheStrategy !== CacheStrategy.Memory) {
LogUtil.log("ImageKnife_DataTime_requestJob_saveFileCacheOnlyFile.start:" + request.src)
FileCache.saveFileCacheOnlyFile(request.context, fileKey, buffer, request.fileCacheFolder)
LogUtil.log("ImageKnife_DataTime_requestJob_saveFileCacheOnlyFile.end:" + request.src)
}
ImageKnifeLoader.parseImage(buffer,fileKey,request)
} else {
loadError = "customGetImage loadFail undefined"
ImageKnifeLoader.makeEmptyResult(request,loadError)
}
}).catch((err:string)=>{
ImageKnifeLoader.makeEmptyResult(request,err)
})
} catch (e) {
loadError = "customGetImage loadFail failed"
ImageKnifeLoader.makeEmptyResult(request,loadError + e)
}
LogUtil.log("end customGetImage src=" + request.src)
return
}
}
else {
@ -284,25 +322,29 @@ export class ImageKnifeLoader {
// header: new Header('application/json')
});
await promise.then((data: number) => {
promise.then((data: number) => {
if (data == 200 || data == 206 || data == 204) {
resBuf = combineArrayBuffers(arrayBuffers)
// 保存文件缓存
if (resBuf !== undefined && request.writeCacheStrategy !== CacheStrategy.Memory) {
LogUtil.log("ImageKnife_DataTime_requestJob_saveFileCacheOnlyFile.start:"+request.src)
FileCache.saveFileCacheOnlyFile(request.context, fileKey, resBuf , request.fileCacheFolder)
LogUtil.log("ImageKnife_DataTime_requestJob_saveFileCacheOnlyFile.end:"+request.src)
}
ImageKnifeLoader.parseImage(resBuf,fileKey,request)
} else {
throw new Error("HttpDownloadClient has error, http code =" + JSON.stringify(data))
loadError = "HttpDownloadClient has error, http code =" + JSON.stringify(data)
ImageKnifeLoader.makeEmptyResult(request,loadError)
}
}).catch((err: Error) => {
throw new Error("HttpDownloadClient download ERROR : err = " + JSON.stringify(err))
loadError = "HttpDownloadClient download ERROR : err = " + JSON.stringify(err)
ImageKnifeLoader.makeEmptyResult(request,loadError)
});
LogUtil.log("HttpDownloadClient.end:" + request.src)
// 保存文件缓存
if (resBuf !== undefined && request.writeCacheStrategy !== CacheStrategy.Memory) {
LogUtil.log("ImageKnife_DataTime_requestJob_saveFileCacheOnlyFile.start:"+request.src)
FileCache.saveFileCacheOnlyFile(request.context, fileKey, resBuf , request.fileCacheFolder)
LogUtil.log("ImageKnife_DataTime_requestJob_saveFileCacheOnlyFile.end:"+request.src)
}
return
}
else {
throw new Error('onlyRetrieveFromCache,do not fetch image src = ' + request.src)
loadError = 'onlyRetrieveFromCache,do not fetch image src = ' + request.src
}
} else if (request.src.startsWith('datashare://') || request.src.startsWith('file://')) {
await fs.open(request.src, fs.OpenMode.READ_ONLY).then(async (file) => {
@ -312,13 +354,13 @@ export class ImageKnifeLoader {
resBuf = buf;
fs.closeSync(file.fd);
}).catch((err:BusinessError) => {
throw new Error('LoadDataShareFileClient fs.read err happened uri=' + request.src + " err.msg=" + err?.message + " err.code=" + err?.code)
loadError = 'LoadDataShareFileClient fs.read err happened uri=' + request.src + " err.msg=" + err?.message + " err.code=" + err?.code
})
}).catch((err:BusinessError) => {
throw new Error('LoadDataShareFileClient fs.stat err happened uri=' + request.src + " err.msg=" + err?.message + " err.code=" + err?.code)
loadError = 'LoadDataShareFileClient fs.stat err happened uri=' + request.src + " err.msg=" + err?.message + " err.code=" + err?.code
})
}).catch((err:BusinessError) => {
throw new Error('LoadDataShareFileClient fs.open err happened uri=' + request.src + " err.msg=" + err?.message + " err.code=" + err?.code)
loadError = 'LoadDataShareFileClient fs.open err happened uri=' + request.src + " err.msg=" + err?.message + " err.code=" + err?.code
})
} else { //从本地文件获取
try {
@ -330,7 +372,7 @@ export class ImageKnifeLoader {
fs.closeSync(file);
}
} catch (err) {
throw new Error(err)
loadError = err
}
}
} else if (typeof request.src == "number") { //从资源文件获取
@ -354,8 +396,9 @@ export class ImageKnifeLoader {
}
if (resBuf === undefined){
throw new Error('getImageArrayBuffer undefined')
ImageKnifeLoader.makeEmptyResult(request,loadError)
return
}
return resBuf
ImageKnifeLoader.parseImage(resBuf,fileKey,request)
}
}

View File

@ -91,7 +91,7 @@ export interface RequestJobRequest {
allHeaders: Map<string, Object>,
componentWidth: number,
componentHeight: number,
customGetImage?: (context: Context, src: string | PixelMap | Resource ,headers?: Record<string, Object>) => Promise<ArrayBuffer | undefined>,
customGetImage?: (context: Context, src: string | PixelMap | Resource,headers?: Record<string,Object>) => Promise<ArrayBuffer | undefined>,
onlyRetrieveFromCache?: boolean
requestSource: ImageKnifeRequestSource
transformation?: PixelMapTransformation

View File

@ -61,7 +61,7 @@ export class ImageKnifeOption {
placeholderObjectFit?: ImageFit
// 错误图填充效果
errorholderObjectFit?: ImageFit
customGetImage?: (context: Context, src: string | PixelMap | Resource,headers?: Record<string, Object>) => Promise<ArrayBuffer | undefined>
customGetImage?: (context: Context, src: string | PixelMap | Resource,headers?: Record<string,Object>) => Promise<ArrayBuffer | undefined>
border?: BorderOptions
// 缓存策略
writeCacheStrategy?: CacheStrategy

View File

@ -14,4 +14,5 @@
*/
export class Constants {
public static PROGRESS_EMITTER: string = "progressEmitter"
public static CALLBACK_EMITTER: string = "callBackEmitter"
}