Merge branch 'zdg' of http://27.128.240.72:3000/zhuhao/AIx_Smarttalk into zdg
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commit
4d17465c24
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@ -50,7 +50,10 @@ const renderPage = async (canvasobj) => {
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const pdf = await pdfjsLib.getDocument(props.pdfObj.pdfUrl).promise
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// 渲染当前页
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const page = await pdf.getPage(canvasobj.page)
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const viewport = page.getViewport({ scale: 1.28 })
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var screenWidth = window.innerWidth/2-100;
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var screenHeight = window.innerHeight;
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const viewport = page.getViewport({ scale:2})
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const canvasElement = canvasobj.canvas
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canvasElement.width = viewport.width
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canvasElement.height = viewport.height
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@ -66,34 +69,20 @@ const renderPage = async (canvasobj) => {
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img.onload = () => {
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// 在这里执行图像加载完成后的操作
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// 根据传过来的pdf对象 判断改渲染哪一个fabric
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// var screenWidth = window.innerWidth/2-10;
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// var screenHeight = window.innerHeight;
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// // 计算图像的原始宽度和高度
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// var imgWidth = img.width;
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// var imgHeight = img.height;
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// // 计算图像的缩放比例以适应屏幕
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// var widthRatio = screenWidth / imgWidth;
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// var heightRatio = screenHeight / imgHeight;
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// //选择较小的缩放比例以确保图像完全适应屏幕
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// var scaleRatio = Math.min(widthRatio, heightRatio);
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// // 计算缩放后的图像尺寸
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// var targetWidth = imgWidth * scaleRatio;
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// var targetHeight = imgHeight * scaleRatio;
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if (props.pdfObj.numberOfPdf == 2) {
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if (canvasobj.index == 0) {
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fabriccanvas.value.setWidth(img.width)
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fabriccanvas.value.setHeight(img.height)
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fabriccanvas.value.setWidth(screenWidth)
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fabriccanvas.value.setHeight(screenHeight)
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displayData(fabriccanvas, canvsStore, canvasobj, fabric, img)
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} else {
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fabriccanvas1.value.setWidth(img.width)
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fabriccanvas1.value.setHeight(img.height)
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fabriccanvas1.value.setWidth(screenWidth)
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fabriccanvas1.value.setHeight(screenHeight)
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displayData(fabriccanvas1, canvsStore, canvasobj, fabric, img)
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}
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} else {
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fabriccanvas.value.setWidth(img.width)
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fabriccanvas.value.setHeight(img.height)
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fabriccanvas.value.setWidth(screenWidth)
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fabriccanvas.value.setHeight(screenHeight)
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displayData(fabriccanvas, canvsStore, canvasobj, fabric, img)
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}
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// console.log(imgarr.value)
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@ -120,7 +109,7 @@ const loadPdf = async (canvasobj) => {
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const initPdf = async (type = 'default') => {
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// 保存数据
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savecanvsStore(imgarr, canvsStore)
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savecanvsStore(imgarr, canvsStore)
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// initcanvasdata(fabriccanvas)
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// initcanvasdata(fabriccanvas1)
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// 单页模式
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@ -172,8 +161,10 @@ const initPdfone = async () => {
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setTimeout(() => {
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fabriccanvas1.value = new fabric.Canvas('pdf-fabric1')
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fabriccanvas1.value.isDrawingMode = true
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fabriccanvas1.value.freeDrawingBrush.color = 'red'
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fabriccanvas1.value.freeDrawingBrush.color = '#A33AFE'
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fabriccanvas1.value.freeDrawingCursor = 'default'
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fabriccanvas1.value.setWidth(595)
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handleevent(fabriccanvas1.value, imgarr, 'two')
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}, 0)
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initPdf('addOnePage')
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}
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@ -14,23 +14,24 @@ export function handleevent(canvas, imgarr, type = 'defalut') {
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if (imgarr.value[0].index == 0) {
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imgarr.value[0].JSONdata = canvas.toJSON()
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}
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if (imgarr.value[1].index == 0) {
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if (imgarr.value[1]?.index == 0) {
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imgarr.value[1].JSONdata = canvas.toJSON()
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}
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} else {
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if (imgarr.value[0].index == 1) {
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imgarr.value[0].JSONdata = canvas.toJSON()
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}
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if (imgarr.value[1].index == 1) {
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if (imgarr.value[1]?.index == 1) {
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imgarr.value[1].JSONdata = canvas.toJSON()
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}
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}
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console.log(imgarr.value)
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})
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}
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// 保存数据
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export function savecanvsStore(imgarr, canvsStore) {
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canvsStore.pageArr = mergeAndReplace(canvsStore.pageArr, imgarr.value)
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// console.log(canvsStore.pageArr,22222222222222222222+'存入')
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}
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// 重显数据
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export function displayData(canvas, canvsStore, canvasobj, fabric, img) {
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@ -50,19 +51,21 @@ export function displayData(canvas, canvsStore, canvasobj, fabric, img) {
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canvsStore.pageArr.forEach((item) => {
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//初始化
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if (item.page == canvasobj.page) {
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canvas.value.clear() // 清除 Canvas
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// canvas.value.clear() // 清除 Canvas
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// console.log(item.JSONdata, '找到一样的数据')
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canvas.value.loadFromJSON(item.JSONdata, () => {
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// 在所有对象加载完成后重新渲染画布
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requestAnimationFrame(() => {
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// 渲染所有对象
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canvas.value.renderAll.bind(canvas.value)
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canvas.value.renderAll()
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})
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canvas.value.renderAll.bind(canvas.value)
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canvas.value.renderAll()
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// requestAnimationFrame(() => {
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// // 渲染所有对象
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// })
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})
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} else {
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// 使用 requestAnimationFrame 来更新画布,确保在下一帧进行重绘
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canvas.value.clear() // 清除 Canvas
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// // 清除 Canvas
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canvas.value.clear()
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requestAnimationFrame(function () {
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fabric.Image.fromURL(img.src, (img) => {
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img.set({
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@ -75,6 +78,7 @@ export function displayData(canvas, canvsStore, canvasobj, fabric, img) {
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})
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// 渲染所有对象
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canvas.value.renderAll.bind(canvas.value)
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canvas.value.renderAll()
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})
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}
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})
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