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6 changed files with 305 additions and 227 deletions

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@ -1,8 +1,18 @@
<template>
pdfAdnFabric<template>
<div class="canvasitem">
<div class="pdfAdnFabric" id="pdfAdnFabric" >
<canvas id="pdf-fabric"></canvas>
<canvas id="pdf-fabric1" v-if="props.pdfObj.numberOfPdf == 2"></canvas>
<!-- @touchmove="handleTouchMove"
@touchend="handleTouchEnd"
@mousedown="handleMouseDown"
@mousemove="handleMouseMove"
@mouseup="handleMouseUp" -->
<div :class="ispointer ? 'ispointer' : ''">
<canvas ref="fabriccanvas" />
</div>
<!-- style="pointer-events: none;" -->
<div v-if="props.pdfObj.numberOfPdf === 2" :class="ispointer ? 'ispointer' : ''">
<canvas ref="fabriccanvas1" />
</div>
</div>
</div>
</template>
@ -13,12 +23,20 @@ import {
onMounted,
watch,
reactive,
defineProps,
defineExpose,
nextTick,
defineEmits,watchEffect
} from 'vue'
import { fabric } from 'fabric'
// import { fabric } from 'fabric'
import { ElMessage } from 'element-plus'
import { handleevent, savecanvsStore, initcanvasdata, displayData } from '@/utils/pdfAndFabric'
import { fabricVue, TYPES } from '@/plugins/fabric'
import { updateSmartBookMarkContent, addsmartBookMark,getBookMarkById } from '@/api/eTextbook/index'
import {useToolState} from '@/store/modules/tool'
const { ipcRenderer } = require('electron')
const toolState = useToolState();
const props = defineProps({
pdfObj: {
type: Object,
@ -29,13 +47,16 @@ const props = defineProps({
}
}
})
const ispointer = ref(false) //
// canvas
const canvsStore = reactive({
id: 'xxxx',
pageArr: []
})
const fabriccanvas = ref(null)
const fabriccanvas1 = ref(null)
const canvasFabricVue = ref(null)
const canvas1FabricVue = ref(null)
//
const numPagesTotal = ref(0)
const imgarr = ref([])
@ -47,8 +68,8 @@ const renderPage = async (canvasobj) => {
const pdf = await pdfjsLib.getDocument(props.pdfObj.pdfUrl).promise
//
const page = await pdf.getPage(canvasobj.page)
var screenWidth = window.innerWidth/2-100;
var screenHeight = window.innerHeight;
var screenWidth = window.innerWidth / 2 - 100
var screenHeight = window.innerHeight
const viewport = page.getViewport({ scale: 2 })
const canvasElement = canvasobj.canvas
@ -58,6 +79,8 @@ const renderPage = async (canvasobj) => {
canvasContext: canvasobj.context,
viewport: viewport
}
// console.log(renderContext,22222222222222222222)
page.render(renderContext).promise.then((res) => {
const img = document.createElement('img')
img.src = canvasobj.canvas.toDataURL('image/png')
@ -68,33 +91,75 @@ const renderPage = async (canvasobj) => {
// pdf fabric
if (props.pdfObj.numberOfPdf == 2) {
if (canvasobj.index == 0) {
fabriccanvas.value.setWidth(screenWidth)
fabriccanvas.value.setHeight(screenHeight)
displayData(fabriccanvas, canvsStore, canvasobj, fabric, img)
canvasFabricVue.value.canvas.setWidth(screenWidth)
canvasFabricVue.value.canvas.setHeight(screenHeight)
// updateCanvasBackgroundImage(canvasFabricVue,img)
displayData(canvasFabricVue, canvsStore, canvasobj, fabric, img)
} else {
fabriccanvas1.value.setWidth(screenWidth)
fabriccanvas1.value.setHeight(screenHeight)
displayData(fabriccanvas1, canvsStore, canvasobj, fabric, img)
canvas1FabricVue.value.canvas.setWidth(screenWidth)
canvas1FabricVue.value.canvas.setHeight(screenHeight)
displayData(canvas1FabricVue, canvsStore, canvasobj, fabric, img)
}
} else {
fabriccanvas.value.setWidth(screenWidth)
fabriccanvas.value.setHeight(screenHeight)
displayData(fabriccanvas, canvsStore, canvasobj, fabric, img)
canvasFabricVue.value.canvas.setHeight(screenHeight)
displayData(canvasFabricVue, canvsStore, canvasobj, fabric, img)
}
// console.log(imgarr.value)
img.remove()
}
// imgarrJSONdatacanvsStore.pageArr
canvsStore.pageArr.forEach((item) => {
if (item.page == canvasobj.page) {
imgarr.value.forEach((img) => {
if (img.page == canvasobj.page) {
img.JSONdata = item.JSONdata
}
// canvsStore.pageArr.forEach((item) => {
// if (item.page == canvasobj.page) {
// imgarr.value.forEach((img) => {
// if (img.page == canvasobj.page) {
// img.JSONdata = item.JSONdata
// }
// })
// }
// })
})
}
//
const savaDataStore = () => {
if(!toolState.isToolWin){
toolState.isPdfWin=false
toolState.showBoardAll=true //
ipcRenderer.invoke('tool-sphere:reset') //tool
ipcRenderer.send('open-PDF:minimize')
return
}
imgarr.value.forEach((a) => {
if (a.index == 0) {
a.JSONdata = canvasFabricVue.value.canvas.toJSON()
} else {
a.JSONdata = canvas1FabricVue.value.canvas.toJSON()
}
})
const nameMap = new Map(canvsStore.pageArr.map((item) => [item.page, item.id]))
//
let promises = []
imgarr.value.forEach((item) => {
if (nameMap.has(item.page)) {
const params = {
id: nameMap.get(item.page),
contentData: JSON.stringify(item.JSONdata.objects)
}
promises.push(updateSmartBookMarkContent([params]))
} else {
promises.push(addsmartBookMark({
pageNum: item.page,
contentData: JSON.stringify(item.JSONdata.objects),
bookId: props.pdfObj.bookId,
type: '教材',
source: 'smarttalk'
}))
}
})
Promise.all(promises).then(res=>{
toolState.isPdfWin=false
toolState.showBoardAll=true //
ipcRenderer.invoke('tool-sphere:reset') //tool
ipcRenderer.send('open-PDF:minimize')
})
}
const updatePage = (canvasobj) => {
@ -105,16 +170,55 @@ const loadPdf = async (canvasobj) => {
}
const initPdf = async (type = 'default') => {
imgarr.value.forEach((a) => {
if (a.index == 0) {
a.JSONdata = canvasFabricVue.value.canvas.toJSON()
} else {
a.JSONdata = canvas1FabricVue.value.canvas.toJSON()
}
})
// +
if (type != 'default' && toolState.isToolWin) {
const nameMap = new Map(canvsStore.pageArr.map((item) => [item.page, item.id]))
//
let promises = []
imgarr.value.forEach((item) => {
if (nameMap.has(item.page)) {
const params = {
id: nameMap.get(item.page),
contentData: JSON.stringify(item.JSONdata.objects)
}
promises.push(updateSmartBookMarkContent([params]))
} else {
promises.push(addsmartBookMark({
pageNum: item.page,
contentData: JSON.stringify(item.JSONdata.objects),
bookId: props.pdfObj.bookId,
type: '教材',
source: 'smarttalk'
}))
}
})
Promise.all(promises).then(res=>{
getBookMarkById(props.pdfObj.bookId).then(res=>{
const pageArr=getUniqueArrayByLastOccurrence(res.data)
canvsStore.pageArr=[]
pageArr.forEach((a) => {
canvsStore.pageArr.push({ page: a.pageNum, id: a.id, JSONdata: a.contentData })
})
})
})
}
//
savecanvsStore(imgarr, canvsStore)
// initcanvasdata(fabriccanvas)
// initcanvasdata(fabriccanvas1)
//
if (type == 'restone') {
// canvas
fabriccanvas1.value.clear()
// canvas
fabriccanvas1.value.dispose()
// savecanvsStore(imgarr, canvsStore)
if (props.pdfObj.numberOfPdf == 1) {
// imgarr.value[0]
canvasFabricVue.value.history.clean()
} else {
canvasFabricVue.value.history.clean()
canvas1FabricVue.value.history.clean()
}
// canvas
canvasNumbsValue.value.forEach((canvasObj) => {
@ -146,7 +250,6 @@ const initPdf = async (type = 'default') => {
} else {
canvasNumbsValue.value[i].page = props.pdfObj.numPages + 1
}
canvasNumbsValue.value[i].index = i
// FabricVue
await loadPdf(canvasNumbsValue.value[i])
@ -154,47 +257,144 @@ const initPdf = async (type = 'default') => {
}
}
}
//page
const getUniqueArrayByLastOccurrence=(array)=> {
const uniqueItems = array.reduce((acc, current) => {
// 使 Map pageNum
acc.set(current.pageNum, current);
return acc;
}, new Map());
// Map
const resultArray = Array.from(uniqueItems.values());
return resultArray;
}
const initPdfone = async () => {
setTimeout(() => {
fabriccanvas1.value = new fabric.Canvas('pdf-fabric1')
fabriccanvas1.value.isDrawingMode = true
fabriccanvas1.value.freeDrawingBrush.color = '#A33AFE'
fabriccanvas1.value.freeDrawingCursor = 'default'
fabriccanvas1.value.setWidth(860)
handleevent(fabriccanvas1.value, imgarr, 'two')
setTimeout(async () => {
const option = { freeDrawingCursor: 'default' }
const canvas2 = new fabricVue()
await canvas2.initCanvas(fabriccanvas1.value, option)
canvas2.canvas.setWidth(window.innerWidth / 2 - 100)
canvas1FabricVue.value = canvas2
await initPdf('addOnePage')
}, 0)
initPdf('addOnePage')
}
onMounted(async () => {
try {
// canvas
const pdf = await pdfjsLib.getDocument(props.pdfObj.pdfUrl).promise
numPagesTotal.value = pdf.numPages
// console.log(pdf)
// fabriccanvas
fabriccanvas.value = new fabric.Canvas('pdf-fabric')
fabriccanvas.value.setWidth(860)
fabriccanvas.value.isDrawingMode = true
fabriccanvas.value.freeDrawingBrush.color = '#A33AFE'
fabriccanvas.value.freeDrawingCursor = 'default'
fabriccanvas1.value = new fabric.Canvas('pdf-fabric1')
fabriccanvas1.value.isDrawingMode = true
fabriccanvas1.value.freeDrawingBrush.color = '#A33AFE'
fabriccanvas1.value.freeDrawingCursor = 'default'
fabriccanvas1.value.setWidth(860)
const option = { freeDrawingCursor: 'default' }
const canvas1 = new fabricVue()
// canvas1.boardConfig.mode= TYPES.ActionMode.OTHER
// canvas1.boardConfig.mode= TYPES.ActionMode.ERASE
await canvas1.initCanvas(fabriccanvas.value, option)
canvas1.canvas.setWidth(window.innerWidth / 2 - 100)
canvasFabricVue.value = canvas1
const canvas2 = new fabricVue()
await canvas2.initCanvas(fabriccanvas1.value, option)
canvas2.canvas.setWidth(window.innerWidth / 2 - 100)
// canvas2.canvas.isDrawingMode=false
canvas1FabricVue.value = canvas2
window.test = { canvas1, canvas2 }
emit('update:numPagesTotal', pdf.numPages)
initPdf()
if (props.pdfObj.allPageData.length) {
props.pdfObj.allPageData.forEach((a) => {
if (a.pageNum == 1 || a.pageNum == 2) {
canvsStore.pageArr.push({ page: a.pageNum, id: a.id, JSONdata: a.contentData })
}
})
}
await initPdf()
} catch (error) {
console.log(error)
ElMessage.error('pdf文件错误')
}
setToolStatus()
// 2canvas
handleevent(fabriccanvas.value, imgarr)
handleevent(fabriccanvas1.value, imgarr, 'two')
// handleevent(fabriccanvas.value, imgarr)
// handleevent(fabriccanvas1.value, imgarr, 'two')
})
// zdg: --
const setToolStatus = () => {
toolState.showBoardAll = false
}
//
const handleMode = (vale,type)=>{
if(vale=='select'){
ispointer.value=true
}else{
ispointer.value=false
}
switch(vale) {
case 'select': //
canvasFabricVue.value?.handleMode(TYPES.ActionMode.OTHER)
canvas1FabricVue.value?.handleMode(TYPES.ActionMode.OTHER)
break
case 'brush': //
canvasFabricVue.value?.handleMode(TYPES.ActionMode.DRAW)
canvasFabricVue.value.canvas.freeDrawingCursor = 'default'
canvas1FabricVue.value?.handleMode(TYPES.ActionMode.DRAW)
canvas1FabricVue.value.canvas.freeDrawingCursor = 'default'
break
case 'erase': //
canvasFabricVue.value?.handleMode(TYPES.ActionMode.ERASE)
canvas1FabricVue.value?.handleMode(TYPES.ActionMode.ERASE)
break
case 'clear': //
clearCanvas()
// canvas1FabricVue.value.history?.clean()
break
}
}
// canvas
const clearCanvas=()=>{
if(canvasFabricVue.value){
const objects = canvasFabricVue.value.canvas.getObjects();
objects.forEach((obj) => {
//
if (obj !== canvasFabricVue.value.canvas.backgroundImage) {
//
canvasFabricVue.value.canvas.remove(obj);
}
});
canvasFabricVue.value.canvas.renderAll();
}
if(canvas1FabricVue.value){
const objects = canvas1FabricVue.value.canvas.getObjects();
objects.forEach((obj) => {
//
if (obj !== canvas1FabricVue.value.canvas.backgroundImage) {
//
canvas1FabricVue.value.canvas.remove(obj);
}
});
canvas1FabricVue.value.canvas.renderAll();
}
}
const watchToolState=()=>{
if(toolState.showBoardAll){
setTimeout(() => {
toolState.showBoardAll=false
}, 200);
}
//
handleMode(toolState.model)
}
defineExpose({
initPdf,
initPdfone
initPdfone,
savaDataStore
})
watchEffect(() => {
console.log(toolState.model,'监听')
watchToolState() //
})
</script>
@ -204,6 +404,8 @@ defineExpose({
flex-wrap: wrap;
width: 100%;
justify-content: center;
overflow: hidden;
max-height: 100vh;
}
.pdfAdnFabric {
position: relative;
@ -214,4 +416,7 @@ defineExpose({
margin-right: 10px;
}
}
.ispointer {
pointer-events: none;
}
</style>

View File

@ -1,15 +1,9 @@
pdfAdnFabric<template>
<div class="canvasitem">
<div class="pdfAdnFabric" id="pdfAdnFabric" >
<!-- @touchmove="handleTouchMove"
@touchend="handleTouchEnd"
@mousedown="handleMouseDown"
@mousemove="handleMouseMove"
@mouseup="handleMouseUp" -->
<div :class="ispointer ? 'ispointer' : ''">
<canvas ref="fabriccanvas" />
</div>
<!-- style="pointer-events: none;" -->
<div v-if="props.pdfObj.numberOfPdf === 2" :class="ispointer ? 'ispointer' : ''">
<canvas ref="fabriccanvas1" />
</div>
@ -80,7 +74,10 @@ const renderPage = async (canvasobj) => {
viewport: viewport
}
// console.log(renderContext,22222222222222222222)
// const textContent = await page.getTextContent();
// console.log(textContent);
// const annotations = await page.getAnnotations();
// console.log(annotations);
page.render(renderContext).promise.then((res) => {
const img = document.createElement('img')
img.src = canvasobj.canvas.toDataURL('image/png')
@ -106,16 +103,6 @@ const renderPage = async (canvasobj) => {
}
img.remove()
}
// imgarrJSONdatacanvsStore.pageArr
// canvsStore.pageArr.forEach((item) => {
// if (item.page == canvasobj.page) {
// imgarr.value.forEach((img) => {
// if (img.page == canvasobj.page) {
// img.JSONdata = item.JSONdata
// }
// })
// }
// })
})
}
//
@ -393,8 +380,16 @@ defineExpose({
savaDataStore
})
watchEffect(() => {
console.log(toolState.model,'监听')
console.log(toolState.isToolWin,'监听')
console.log(toolState,'监听111')
if(toolState.isToolWin){
ispointer.value=false
}else{
ispointer.value=true
}
if(toolState.isPdfWin){
watchToolState() //
}
})
</script>

View File

@ -1,133 +0,0 @@
// 所有事件
export function handleevent(canvas, imgarr, type = 'defalut') {
// // 鼠标按下
// canvas.on('mouse:down', function (e) {})
// // // 监听鼠标移动事件
// // canvas.on('mouse:move', (options) => {
// // console.log('Mouse move event:', options);
// // });
// // 监听鼠标释放事件
// canvas.on('mouse:up', (options) => {
// //判断是点击的哪一个
// if (type == 'defalut') {
// if (imgarr.value[0].index == 0) {
// imgarr.value[0].JSONdata = canvas.toJSON()
// }
// if (imgarr.value[1]?.index == 0) {
// imgarr.value[1].JSONdata = canvas.toJSON()
// }
// } else {
// if (imgarr.value[0].index == 1) {
// imgarr.value[0].JSONdata = canvas.toJSON()
// }
// if (imgarr.value[1]?.index == 1) {
// imgarr.value[1].JSONdata = canvas.toJSON()
// }
// }
// console.log(imgarr.value)
// })
}
// 保存数据
export function savecanvsStore(imgarr, canvsStore) {
// canvsStore.pageArr = mergeAndReplace(canvsStore.pageArr, imgarr.value)
}
// 重显数据
export function displayData(canvas, canvsStore, canvasobj, fabric, img) {
// // 初始化
// if (!canvsStore.pageArr.length) {
// fabric.Image.fromURL(img.src, (img) => {
// img.set({
// left: 0,
// top: 0,
// scaleX: canvas.value.width / img.width,
// scaleY: canvas.value.height / img.height
// })
// canvas.value.setBackgroundImage(img, canvas.value.renderAll.bind(canvas.value))
// })
// return
// }
// canvsStore.pageArr.forEach((item) => {
// //初始化
// if (item.page == canvasobj.page) {
// // canvas.value.clear() // 清除 Canvas
// // console.log(item.JSONdata, '找到一样的数据')
// canvas.value.loadFromJSON(item.JSONdata, () => {
// // 在所有对象加载完成后重新渲染画布
// canvas.value.renderAll.bind(canvas.value)
// canvas.value.renderAll()
// // requestAnimationFrame(() => {
// // // 渲染所有对象
// // })
// })
// } else {
// // 使用 requestAnimationFrame 来更新画布,确保在下一帧进行重绘
// // // 清除 Canvas
// canvas.value.clear()
// requestAnimationFrame(function () {
// fabric.Image.fromURL(img.src, (img) => {
// img.set({
// left: 0,
// top: 0,
// scaleX: canvas.value.width / img.width,
// scaleY: canvas.value.height / img.height
// })
// canvas.value.setBackgroundImage(img, canvas.value.renderAll.bind(canvas.value))
// })
// // 渲染所有对象
// canvas.value.renderAll.bind(canvas.value)
// canvas.value.renderAll()
// })
// }
// })
}
//page 一样替换
const mergeAndReplace = (arr1, arr2) => {
// // 用于存储替换后的数组
// const resultArray = array1.map(item1 => {
// // 在 array2 中查找 page 相同的对象
// const replacement = array2.find(item2 => item2.page == item1.page);
// // 如果找到替换对象,则返回替换对象,否则返回原对象
// return replacement ? replacement : item1;
// });
// // 将 array2 中 page 不在 array1 中的对象追加到结果数组中
// array2.forEach(item2 => {
// const existsInArray1 = array1.some(item1 => item1.page == item2.page);
// if (!existsInArray1) {
// resultArray.push(item2);
// }
// });
// return resultArray;
// 创建一个映射,将 arr2 中的对象按 page 属性存储
let map = new Map(arr2.map((item) => [item.page, item]))
// 使用 map 替换 arr1 中相应 page 的对象,并添加 arr2 中的对象
arr1 = arr1.map((item) => (map.has(item.page) ? map.get(item.page) : item))
// 将 map 中存在但 arr1 中不存在的对象添加到 arr1
for (let [page, obj] of map) {
if (!arr1.some((item) => item.page === page)) {
arr1.push(obj)
}
}
return arr1
}
// 初始化数据
export function initcanvasdata(canvas) {
canvas.value.clear() // 清除 Canvas
// 设置画布的背景色或其他属性
canvas.value.backgroundColor = 'rgba(255, 255, 255, 1)' // 白色背景
// 使用 requestAnimationFrame 来更新画布,确保在下一帧进行重绘
requestAnimationFrame(function () {
// 渲染所有对象
canvas.value.renderAll.bind(canvas.value)
})
}

View File

@ -82,6 +82,7 @@ export function ipcHandle(fn,key, cb) {
* @param {*} data 参数
* @returns
*/
let winPdf=null
export const createWindow = async (type, data) => {
if (!type) return console.error('createWindow: type is null')
switch(type) {
@ -117,12 +118,19 @@ export const createWindow = async (type, data) => {
}
data.isConsole = true // 是否开启控制台
data.option = {...defOption, ...option}
if(winPdf){ //判断是否已经打开
// if (winPdf.isMinimized()) winPdf.restore();
winPdf.focus();
// toolState.isPdfWin=true
return
}
const win = await toolWindow(data)
win.type = type // 唯一标识
win.show()
win.setFullScreen(true) // 设置窗口为全屏
// win.webContents.openDevTools() // 打开调试工具
eventHandles(type, win) // 事件监听处理
winPdf=win
break
}
default:
@ -189,7 +197,7 @@ const eventHandles = (type, win) => {
// 公共方法
const publicMethods = ({onClosed}={}) => {
// 监听主窗口-关闭事件
mainWin.once('close', () => {win.destroy()})
mainWin.once('close', () => {winPdf=null;win.destroy();})
win.on('closed', () => {
if(onClosed) onClosed() // 自定义关闭事件
win = null
@ -217,7 +225,11 @@ const eventHandles = (type, win) => {
break}
case 'open-PDF': {
// 最小化窗口 minimize()
Remote.ipcMain.once('open-PDF:minimize', () => {win&&win.destroy()})
Remote.ipcMain.once('open-PDF:minimize', () => {
winPdf=null
win&&win.destroy()
// win&&win.minimize(); //缩小功能
})
publicMethods() // 加载公共方法
break}
default:

View File

@ -40,9 +40,6 @@ import { getStaticUrl } from '@/utils/tool'
const { ipcRenderer } = require('electron')
import { getBookMarkById } from '@/api/eTextbook/index'
import {useToolState} from '@/store/modules/tool'
// const getStaticUrl=(url)=>{
// return url
// }
pdfjsLib.GlobalWorkerOptions.workerSrc = getStaticUrl('/lib/build/pdf.worker.mjs')
const toolState = useToolState();
const route = useRoute();
@ -108,7 +105,8 @@ const switchPageMode = () => {
}
onMounted(async () => {
toolState.isPdfWin=true
pdfObj.pdfUrl = getStaticUrl(route.query.path, 'user', 'selfFile', true)
// pdfObj.pdfUrl = getStaticUrl(route.query.path, 'user', 'selfFile', true)
pdfObj.pdfUrl = getStaticUrl('aaa.pdf', 'user', 'selfFile', true) //
textbookId.value = route.query.textbookId
pdfObj.bookId=textbookId.value
getBookMarkById(textbookId.value).then(res=>{

View File

@ -130,7 +130,7 @@ export default {
timerId: null,
//
setDialog: false,
row: ''
row: '',
}
},
computed: {
@ -493,9 +493,10 @@ export default {
// PDF-
async navtoPdf() {
const toolStore = useToolState()
if (toolStore.isPdfWin) return this.$message.error('您当前已打开课本,请勿重复操作')
// if (toolStore.isPdfWin) return this.$message.error('')
let path = await this.getBookPathFromServer()
path=path.replace(/^.*[\\\/]/, '');
console.log(path)
// console.log(this.uploadData.textbookId)
createWindow('open-PDF', { url: '/classBegins/index?textbookId='+this.uploadData.textbookId+'&path='+ path })
},