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<template>
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<view class="boxView">
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</view>
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</template>
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<script lang="uts">
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import Context from 'android.content.Context'
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import LinearLayout from 'android.widget.LinearLayout';
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import FrameLayout from 'android.widget.FrameLayout';
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import ViewGroup from 'android.view.ViewGroup';
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import View from 'android.view.View';
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import ImageView from "android.widget.ImageView"
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import InputStream from 'java.io.InputStream'
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import Uri from 'android.net.Uri';
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import File from 'java.io.File'
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import BufferedImage from 'java.awt.image.BufferedImage'
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import IOException from 'java.io.IOException'
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import NotFoundException from 'com.google.zxing.NotFoundException'
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import FormatException from 'com.google.zxing.FormatException'
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import ChecksumException from 'com.google.zxing.ChecksumException'
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import BarcodeScanner from "com.google.mlkit.vision.barcode.BarcodeScanner"
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import BarcodeScannerOptions from "com.google.mlkit.vision.barcode.BarcodeScannerOptions"
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import BarcodeScanning from "com.google.mlkit.vision.barcode.BarcodeScanning"
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import ZoomSuggestionOptions from "com.google.mlkit.vision.barcode.ZoomSuggestionOptions"
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import ZoomCallback from "com.google.mlkit.vision.barcode.ZoomSuggestionOptions.ZoomCallback"
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import Barcode from "com.google.mlkit.vision.barcode.common.Barcode"
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import InputImage from "com.google.mlkit.vision.common.InputImage"
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import Task from "com.google.android.gms.tasks.Task"
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import List from "java.util.List"
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import ByteBuffer from 'java.nio.ByteBuffer'
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import ImageFormat from 'android.graphics.ImageFormat'
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import Bitmap from "android.graphics.Bitmap"
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import BitmapFactory from "android.graphics.BitmapFactory"
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import Color from "android.graphics.Color"
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import BarcodeFormat from "com.google.zxing.BarcodeFormat"
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import EncodeHintType from "com.google.zxing.EncodeHintType"
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import MultiFormatWriter from "com.google.zxing.MultiFormatWriter"
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import MultiFormatReader from "com.google.zxing.MultiFormatReader"
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import RGBLuminanceSource from "com.google.zxing.RGBLuminanceSource"
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import BinaryBitmap from "com.google.zxing.BinaryBitmap"
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import HybridBinarizer from "com.google.zxing.common.HybridBinarizer"
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import WriterException from "com.google.zxing.WriterException"
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import BitMatrix from "com.google.zxing.common.BitMatrix"
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import BufferedImageLuminanceSource from "com.google.zxing.client.j2se.BufferedImageLuminanceSource"
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import ByteArrayOutputStream from 'java.io.ByteArrayOutputStream'
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import Base64 from 'java.util.Base64'
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import Context from 'android.content.Context'
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import SurfaceView from 'android.view.SurfaceView'
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import { chooseImage } from "./index.uts"
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import { xCamera } from "./camera.uts"
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import { SCANNING_OPTIONS,CAMERA_PHOTO_SIZE,BARCODEFORMAT,CallFunType,SCANNING_PHOTO_RESULT_BOUND ,SCANNING_PHOTO_RESULT} from "../interface.uts"
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export default {
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name: "x-mlkit-scannig-u",
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data() {
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return {
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CBOX: null as null | FrameLayout,
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xcamera:null as null|xCamera,
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defaultscaneventFun:null as CallFunType|null
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}
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},
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emits:[
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/**
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* 多个码的时候点击触发，返回码内容
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* @param {string} str - 点的码
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*/
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'clickQr',
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/**
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* 识别成功触发
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* @param {string[]} str[] - 识别的码结果集
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*/
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'scan'
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],
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props:{
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/**
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* 相机预览像素宽，请最好为正方形
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*/
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cameraWidth:{
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type:Number,
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default:800
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},
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/**
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* 相机预览像高，请最好为正方形
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*/
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cameraeiHght:{
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type:Number,
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default:800
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},
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/**
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* 是否自动打开相机
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*/
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autoOpenCamera:{
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type:Boolean,
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default:true
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},
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/**
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* 是否开启闪光灯
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*/
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flash:{
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type:Boolean,
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default:false
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}
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},
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NVLoad() : FrameLayout {
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let grop = new FrameLayout(UTSAndroid!.getAppContext()!)
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this.CBOX = grop;
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return grop
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},
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NVLayouted() {
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if(this.autoOpenCamera){
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this.createXcamrera();
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}
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},
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NVBeforeUnload(){
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this.xcamera?.closeCamera()
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},
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methods: {
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/**
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* 检查相机权限
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*/
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checkPermissions() : Promise<boolean> {
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let permissionCheck = ["android.permission.CAMERA"]
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let _this = this;
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// 请求拍照权限
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return new Promise(res => {
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if (UTSAndroid.checkSystemPermissionGranted(UTSAndroid.getUniActivity()!, permissionCheck)) {
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// _this.cameraPermissioPass = true
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res(true)
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} else {
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console.log("当前不具备指定权限")
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// 请求拍照权限
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UTSAndroid.requestSystemPermission(UTSAndroid.getUniActivity()!, permissionCheck, function (allRight : boolean, _ : string[]) {
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// _this.cameraPermissioPass = allRight
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res(true)
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}, function (_ : boolean, _ : string[]) {
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//用户拒绝了部分权限
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// _this.cameraPermissioPass = false
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res(false)
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})
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}
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})
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},
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/** 私有函数，外部不要调用。 */
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createXcamrera(){
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let _this = this;
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this.xcamera = new xCamera(this.CBOX!,{
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width:this.cameraWidth,height:this.cameraeiHght,cameraDevice:'BACK',
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zoom:5,
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flashMode:this.flash
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} as SCANNING_OPTIONS)
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this.xcamera!.setCallEvent((str:string[],type:'auto'|'click')=>{
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if(type=='auto'){
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_this.$emit('scan',str)
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}else if(type=='click'){
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_this.$emit('clickQr',str[0]!)
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}
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})
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this.xcamera!.openCamera()
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},
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/** 手动开启和关闭闪光灯 */
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setFlashModel(flash:boolean){
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if(this.xcamera != null){
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this.xcamera!.setFlashModel(flash)
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}
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},
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/** 手动打开相机预览 */
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openCamera(){
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let _this = this;
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let isPrivacyAgreeCamrea = uni.getStorageSync('isPrivacyAgreeCamreaByTmui')
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if(isPrivacyAgreeCamrea!='on'){
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uni.showModal({
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title:"提醒",
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content:"将授权你的设备相机使用权限进行拍摄识别功能，是否允许？",
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success(isPermisseions){
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if(isPermisseions.confirm){
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_this.checkPermissions()
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.then((res:boolean)=>{
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_this.createXcamrera()
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uni.setStorageSync('isPrivacyAgreeCamreaByTmui','on')
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})
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.catch(()=>{
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uni.setStorageSync('isPrivacyAgreeCamreaByTmui','off')
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})
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}
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},
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fail(){
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uni.showToast({title:"未授权相机使用权",icon:"none"})
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}
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})
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}else{
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_this.createXcamrera()
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}
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},
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/** 关闭相机 */
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closeCamera(){
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this.xcamera?.closeCamera()
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},
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chooseImage(){
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let _this = this;
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uni.chooseImage({
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count: 1,
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albumMode:"system",
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sourceType:['album'],
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success(evt : ChooseImageSuccess) {
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if (evt.tempFilePaths.length > 0) {
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const imgs = evt.tempFilePaths[0] as string;
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try {
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const decodedPath = Uri.decode(imgs).substring(7)
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const file = File(decodedPath)
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let image = InputImage.fromFilePath(UTSAndroid.getAppContext() as Context, Uri.fromFile(file));
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let scanner = BarcodeScanning.getClient();
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scanner.process(image)
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.addOnSuccessListener((barcodes) => {
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let listpos = [] as number[][][]
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let bounedlist = [] as SCANNING_PHOTO_RESULT_BOUND[]
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let rulstText = [] as string[]
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for (barcode in barcodes) {
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// 位置信息
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let bounds = barcode.boundingBox
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// 坐标
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let corners = barcode.cornerPoints
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// 解析的内容
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let rawValue = barcode.rawValue
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// 码的格式
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let valueType = barcode.valueType
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if (rawValue != null && bounds != null && corners != null) {
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let iminfo = { width: bounds!.width(), height: bounds!.height(), centerX: bounds!.centerX(), centerY: bounds!.centerY() } as SCANNING_PHOTO_RESULT_BOUND
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let posinfo = [] as number[][]
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for (pos in corners) {
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posinfo.push([pos!.x as number, pos!.y as number] as number[])
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}
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listpos.push(posinfo)
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bounedlist.push(iminfo)
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rulstText.push(rawValue)
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}
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}
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// res({
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// url: imgs,
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// position: listpos,
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// bounds: bounedlist,
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// text: rulstText
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// } as SCANNING_PHOTO_RESULT)
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// let resultstr = uni.getStorageSync("xMlKITScaning")
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_this.$emit('scan',rulstText.length==0?[]:rulstText)
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})
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} catch (e : IOException) {
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_this.$emit('scan',[] as string[])
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}
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}
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},
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fail() {
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_this.$emit('scan',[] as string[])
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}
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})
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}
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}
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}
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</script>
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