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AIx_Smarttalk
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zdg #105

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zhengdegang merged 17 commits from zdg into main 2024-08-07 16:11:14 +08:00
Conversation 0 Commits 17 Files Changed 16 +848 -192
13 changed files with 848 additions and 192 deletions
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35
src/renderer/src/api/eTextbook/index.js Normal file
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@ -0,0 +1,35 @@
import request from '@/utils/request'
// 新增pdf圈点勾画
export const addsmartBookMark = (params) => {
return request({
url: '/smarttalk/bookMark/addSmartBookMark',
method: 'post',
data:params
})
}
// 修改pdf圈点勾画
export const updateSmartBookMarkContent = (params) => {
return request({
url: '/smarttalk/bookMark/updateSmartBookMarkContent',
method: 'post',
data:params
})
}
// 根据书id获取pdf圈点勾画
export const getBookMarkById = (bookId) => {
return request({
url: '/smarttalk/bookMark/' + bookId,
method: 'get'
})
}
//根据id删除对应页数
export function deleteBookMark(ids) {
return request({
url: '/smarttalk/bookMark/' + ids,
method: 'delete'
})
}

220
src/renderer/src/components/pdf/index copy.vue Normal file
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@ -0,0 +1,220 @@
<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>
</div>
</div>
</template>
<script setup >
import {
ref,
onMounted,
watch,
reactive,
defineProps,
defineExpose,
nextTick,
defineEmits
} from 'vue'
import { fabric } from 'fabric'
import { ElMessage } from 'element-plus'
import { handleevent, savecanvsStore, initcanvasdata, displayData } from '@/utils/pdfAndFabric'
const props = defineProps({
pdfObj: {
type: Object,
default: {
numberOfPdf: 2, //pdf数量 只有 1 2
pdfUrl: null,
numPages: 1
}
}
})
// canvas的所有数据
const canvsStore = reactive({
id: 'xxxx',
pageArr: []
})
const fabriccanvas = ref(null)
const fabriccanvas1 = ref(null)
// 页面总数
const numPagesTotal = ref(0)
const imgarr = ref([])
// 多个pdf的对象
const canvasNumbsValue = ref([])
const emit = defineEmits(['update:numPagesTotal'])
const renderPage = async (canvasobj) => {
if (canvasobj.page > numPagesTotal.value) return
const pdf = await pdfjsLib.getDocument(props.pdfObj.pdfUrl).promise
// 渲染当前页
const page = await pdf.getPage(canvasobj.page)
var screenWidth = window.innerWidth/2-100;
var screenHeight = window.innerHeight;
const viewport = page.getViewport({ scale:2})
const canvasElement = canvasobj.canvas
canvasElement.width = viewport.width
canvasElement.height = viewport.height
const renderContext = {
canvasContext: canvasobj.context,
viewport: viewport
}
page.render(renderContext).promise.then((res) => {
const img = document.createElement('img')
img.src = canvasobj.canvas.toDataURL('image/png')
canvasobj.canvas.remove()
imgarr.value.push({ src: img.src, page: canvasobj.page, JSONdata: {}, index: canvasobj.index })
img.onload = () => {
// 在这里执行图像加载完成后的操作
// 根据传过来的pdf对象 判断改渲染哪一个fabric
if (props.pdfObj.numberOfPdf == 2) {
if (canvasobj.index == 0) {
fabriccanvas.value.setWidth(screenWidth)
fabriccanvas.value.setHeight(screenHeight)
displayData(fabriccanvas, canvsStore, canvasobj, fabric, img)
} else {
fabriccanvas1.value.setWidth(screenWidth)
fabriccanvas1.value.setHeight(screenHeight)
displayData(fabriccanvas1, canvsStore, canvasobj, fabric, img)
}
} else {
fabriccanvas.value.setWidth(screenWidth)
fabriccanvas.value.setHeight(screenHeight)
displayData(fabriccanvas, canvsStore, canvasobj, fabric, img)
}
// console.log(imgarr.value)
img.remove()
}
// 判断imgarr的JSONdata在canvsStore.pageArr有没有
canvsStore.pageArr.forEach((item) => {
if (item.page == canvasobj.page) {
imgarr.value.forEach((img) => {
if (img.page == canvasobj.page) {
img.JSONdata = item.JSONdata
}
})
}
})
})
}
const updatePage = (canvasobj) => {
renderPage(canvasobj)
}
const loadPdf = async (canvasobj) => {
updatePage(canvasobj)
}
const initPdf = async (type = 'default') => {
// 保存数据
savecanvsStore(imgarr, canvsStore)
// initcanvasdata(fabriccanvas)
// initcanvasdata(fabriccanvas1)
// 单页模式
if (type == 'restone') {
// 清除 canvas 上的所有对象
fabriccanvas1.value.clear()
// 释放 canvas 的资源
fabriccanvas1.value.dispose()
}
// 清除现有 canvas 元素的内容
canvasNumbsValue.value.forEach((canvasObj) => {
const context = canvasObj.context
context.clearRect(0, 0, canvasObj.canvas.width, canvasObj.canvas.height)
})
// 清除所有对象
imgarr.value = []
canvasNumbsValue.value = []
if (props.pdfObj.pdfUrl) {
await nextTick() // 确保 DOM 渲染完成
if (props.pdfObj.numberOfPdf == 1) {
canvasNumbsValue.value = [{}]
const canvasElement = document.createElement('canvas')
canvasNumbsValue.value[0].canvas = canvasElement
canvasNumbsValue.value[0].context = canvasNumbsValue.value[0].canvas.getContext('2d')
canvasNumbsValue.value[0].page = props.pdfObj.numPages
canvasNumbsValue.value[0].index = 0
await loadPdf(canvasNumbsValue.value[0])
} else {
for (var i = 0; i < props.pdfObj.numberOfPdf; i++) {
canvasNumbsValue.value[i] = {}
const canvasElement = document.createElement('canvas')
canvasNumbsValue.value[i].canvas = canvasElement
canvasNumbsValue.value[i].context = canvasNumbsValue.value[i].canvas.getContext('2d')
// 设置页数
if (i == 0) {
canvasNumbsValue.value[i].page = props.pdfObj.numPages
} else {
canvasNumbsValue.value[i].page = props.pdfObj.numPages + 1
}
canvasNumbsValue.value[i].index = i
// 加载FabricVue
await loadPdf(canvasNumbsValue.value[i])
}
}
}
}
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')
}, 0)
initPdf('addOnePage')
}
onMounted(async () => {
try {
const pdf = await pdfjsLib.getDocument(props.pdfObj.pdfUrl).promise
numPagesTotal.value = pdf.numPages
// console.log(pdf)
// 初始化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)
emit('update:numPagesTotal', pdf.numPages)
initPdf()
} catch (error) {
console.log(error)
ElMessage.error('pdf文件错误')
}
// 监听2个canvas事件
handleevent(fabriccanvas.value, imgarr)
handleevent(fabriccanvas1.value, imgarr, 'two')
})
defineExpose({
initPdf,
initPdfone
})
</script>
<style lang="scss" scoped>
.canvasitem {
display: flex;
flex-wrap: wrap;
width: 100%;
justify-content: center;
}
.pdfAdnFabric {
position: relative;
display: flex;
height: 100vh;
align-items: center;
:deep(> div:nth-of-type(1)) {
margin-right: 10px;
}
}
</style>

240
src/renderer/src/components/pdf/index.vue
View File

@ -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>
<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>
</div>
</div>
</template>
@ -16,12 +26,15 @@ import {
defineProps,
defineExpose,
nextTick,
defineEmits
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 toolState = useToolState();
const props = defineProps({
pdfObj: {
type: Object,
@ -32,13 +45,16 @@ const props = defineProps({
}
}
})
const ispointer = ref(false) //是否画笔模式
// canvas的所有数据
const canvsStore = reactive({
id: 'xxxx',
pageArr: []
})
const fabriccanvas = ref(null)
const fabriccanvas1 = ref(null)
const canvasFabricVue = ref(null)
const canvas1FabricVue = ref(null)
// 页面总数
const numPagesTotal = ref(0)
const imgarr = ref([])
@ -50,10 +66,10 @@ const renderPage = async (canvasobj) => {
const pdf = await pdfjsLib.getDocument(props.pdfObj.pdfUrl).promise
// 渲染当前页
const page = await pdf.getPage(canvasobj.page)
var screenWidth = window.innerWidth/2-100;
var screenHeight = window.innerHeight;
const viewport = page.getViewport({ scale:2})
var screenWidth = window.innerWidth / 2 - 100
var screenHeight = window.innerHeight
const viewport = page.getViewport({ scale: 2 })
const canvasElement = canvasobj.canvas
canvasElement.width = viewport.width
canvasElement.height = viewport.height
@ -61,6 +77,8 @@ 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')
@ -71,35 +89,34 @@ const renderPage = async (canvasobj) => {
// 根据传过来的pdf对象 判断改渲染哪一个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()
}
// 判断imgarr的JSONdata在canvsStore.pageArr有没有
canvsStore.pageArr.forEach((item) => {
if (item.page == canvasobj.page) {
imgarr.value.forEach((img) => {
if (img.page == canvasobj.page) {
img.JSONdata = item.JSONdata
}
})
}
})
// 判断imgarr的JSONdata在canvsStore.pageArr有没有
// canvsStore.pageArr.forEach((item) => {
// if (item.page == canvasobj.page) {
// imgarr.value.forEach((img) => {
// if (img.page == canvasobj.page) {
// img.JSONdata = item.JSONdata
// }
// })
// }
// })
})
}
const updatePage = (canvasobj) => {
renderPage(canvasobj)
}
@ -108,16 +125,54 @@ 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') {
const nameMap = new Map(canvsStore.pageArr.map((item) => [item.page, item.id]))
// 创建一个用于存储所有异步操作的数组
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 })
})
})
})
}
// 保存数据
savecanvsStore(imgarr, canvsStore)
// initcanvasdata(fabriccanvas)
// initcanvasdata(fabriccanvas1)
// 单页模式
if (type == 'restone') {
// 清除 canvas 上的所有对象
fabriccanvas1.value.clear()
// 释放 canvas 的资源
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()
}
// 清除现有 canvas 元素的内容
canvasNumbsValue.value.forEach((canvasObj) => {
@ -149,7 +204,6 @@ const initPdf = async (type = 'default') => {
} else {
canvasNumbsValue.value[i].page = props.pdfObj.numPages + 1
}
canvasNumbsValue.value[i].index = i
// 加载FabricVue
await loadPdf(canvasNumbsValue.value[i])
@ -157,48 +211,99 @@ const initPdf = async (type = 'default') => {
}
}
}
//根据page去重
const getUniqueArrayByLastOccurrence=(array)=> {
const uniqueItems = array.reduce((acc, current) => {
// 使用 Map 来跟踪最后一个出现的 pageNum 和它的对象
acc.set(current.pageNum, current);
return acc;
}, new Map());
// 将 Map 的值转换回数组
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(595)
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 {
const pdf = await pdfjsLib.getDocument(props.pdfObj.pdfUrl).promise
numPagesTotal.value = pdf.numPages
// console.log(pdf)
// 初始化fabriccanvas
fabriccanvas.value = new fabric.Canvas('pdf-fabric')
fabriccanvas.value.setWidth(595)
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(595)
// 初始化fabriccanvas
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)
// canvas1.canvas.isDrawingMode=false
canvasFabricVue.value = canvas1
const canvas2 = new fabricVue()
canvas2.boardConfig.mode = TYPES.ActionMode.DRAW
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')
}
// 监听2个canvas事件
handleevent(fabriccanvas.value, imgarr)
handleevent(fabriccanvas1.value, imgarr, 'two')
// handleevent(fabriccanvas.value, imgarr)
// handleevent(fabriccanvas1.value, imgarr, 'two')
})
defineExpose({
initPdf,
initPdfone
})
watchEffect(() => {
console.log(toolState.showBoardAll,'监听')
if( toolState.showBoardAll){
console.log('xczxcxzsdf')
setTimeout(() => {
toolState.showBoardAll=false
}, 200);
}
// if(toolState.model=='select'){
// toolState.showBoardAll=false
// }
// if(toolState.model!='select'){
// toolState.showBoardAll=false
// }
// console.log(toolState.model,toolState.showBoardAll)
// if(toolState.model!='select'){
// toolState.showBoardAll=false
// console.log(toolState.model)
// console.log( toolState.showBoardAll)
// }
})
</script>
<style lang="scss" scoped>
@ -217,4 +322,7 @@ defineExpose({
margin-right: 10px;
}
}
.ispointer {
pointer-events: none;
}
</style>

1
src/renderer/src/plugins/fabric/index.js
View File

@ -1615,6 +1615,7 @@ export class fabricVue {
break
case TYPES.ActionMode.OTHER: // 其他(工具选择)
this.canvas.isDrawingMode = false
objectSet.selectable = false
this.canvas.freeDrawingCursor = 'default'
break
default:

1
src/renderer/src/store/modules/tool.js
View File

@ -7,6 +7,7 @@ export const useToolState = defineStore('tool', {
state: () => ({
model: 'select', // 悬浮球-当前模式
showBoardAll: false, // 全屏画板-是否显示
isPdfWin: false, // pdf窗口是否打开
}),
actions: {
}

133
src/renderer/src/utils/pdfAndFabric copy.js Normal file
View File

@ -0,0 +1,133 @@
// 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)
})
}

249
src/renderer/src/utils/pdfAndFabric.js
View File

@ -1,108 +1,187 @@
// 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);
// });
// // 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)
// // 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) {
export function displayData(FabricVue, 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))
})
const canvas = FabricVue.value.canvas
if (!canvas) {
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))
if (!canvsStore.pageArr.length) {
fabric.Image.fromURL(
img.src,
(image) => {
image.set({
left: 0,
top: 0,
scaleX: canvas.width / img.width,
scaleY: canvas.height / img.height,
erasable: false // 不允许擦拭
})
// FabricVue.setBackgroundImage(image, FabricVue.renderAll.bind(FabricVue))
// setBackgroundImage(image,FabricVue)
// canvas.setBackgroundImage(image, canvas.renderAll.bind(canvas));
canvas.setBackgroundImage(image, () => {
canvas.renderAll.bind(canvas)
FabricVue.value.render()
})
// 渲染所有对象
canvas.value.renderAll.bind(canvas.value)
canvas.value.renderAll()
})
}
},
{crossOrigin: 'anonymous'}
)
return
}
const isfind=findObjectByPage(canvsStore.pageArr,canvasobj.page)
if(isfind){
const canvdata={
objects:JSON.parse(isfind.JSONdata),
version: "5.3.0"
}
requestAnimationFrame(function () {
canvas.loadFromJSON(canvdata, () => {
// 在所有对象加载完成后重新渲染画布
// Utils.handleCanvasJSONLoaded(canvas)
canvas.requestRenderAll() // 批量重绘
})
fabric.Image.fromURL(
img.src,
(image) => {
image.set({
left: 0,
top: 0,
scaleX: canvas.width / img.width,
scaleY: canvas.height / img.height,
selectable: false,
evented: false,
erasable: false // 不允许擦拭
})
// canvas.setBackgroundImage(image, canvas.renderAll.bind(canvas));
canvas.setBackgroundImage(image, () => {
canvas.renderAll.bind(canvas)
FabricVue.value.render()
})
},
{crossOrigin: 'anonymous'}
)
// 渲染所有对象
canvas.requestRenderAll() // 批量重绘
})
}else{
// 使用 requestAnimationFrame 来更新画布，确保在下一帧进行重绘
// // 清除 Canvas
// canvas.clear()
requestAnimationFrame(function () {
fabric.Image.fromURL(
img.src,
(image) => {
image.set({
left: 0,
top: 0,
scaleX: canvas.width / img.width,
scaleY: canvas.height / img.height,
selectable: false,
evented: false,
erasable: false // 不允许擦拭
})
// canvas.setBackgroundImage(image, canvas.renderAll.bind(canvas));
canvas.setBackgroundImage(image, () => {
canvas.renderAll.bind(canvas)
FabricVue.value.render()
})
},
{crossOrigin: 'anonymous'}
)
// 渲染所有对象
canvas.requestRenderAll() // 批量重绘
})
}
// canvsStore.pageArr.forEach((item) => {
// //初始化
// if (item.page == canvasobj.page) {
// // item.JSONdata
// canvas.loadFromJSON(JSON.parse(item.JSONdata), () => {
// // 在所有对象加载完成后重新渲染画布
// // Utils.handleCanvasJSONLoaded(canvas)
// canvas.requestRenderAll() // 批量重绘
// })
// } else {
// // 使用 requestAnimationFrame 来更新画布，确保在下一帧进行重绘
// // // 清除 Canvas
// // canvas.clear()
// requestAnimationFrame(function () {
// fabric.Image.fromURL(
// img.src,
// (image) => {
// image.set({
// left: 0,
// top: 0,
// scaleX: canvas.width / img.width,
// scaleY: canvas.height / img.height,
// selectable: false,
// evented: false,
// erasable: false // 不允许擦拭
// })
// // canvas.setBackgroundImage(image, canvas.renderAll.bind(canvas));
// canvas.setBackgroundImage(image, () => {
// canvas.renderAll.bind(canvas)
// FabricVue.value.render()
// })
// },
// {crossOrigin: 'anonymous'}
// )
// // 渲染所有对象
// canvas.requestRenderAll() // 批量重绘
// })
// }
// })
}
// 找到page一样的
const findObjectByPage=(array, page)=> {
const foundObject = array.find(obj => obj.page === page);
return foundObject || false;
}
//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]))

19
src/renderer/src/utils/tool.js
View File

@ -6,13 +6,14 @@
// Remote.app.getAppPath() E:\njys-work\AIx_Smarttalk\dist\win-unpacked\resources\app.asar
// path.join(__dirname) 根目录 E:\njys-work\AIx_Smarttalk\dist\win-unpacked\resources\app.asar\out\renderer
const path = require('path')
const Remote = require('@electron/remote')
const { ipcRenderer } = require('electron')
const isNode = typeof require !== 'undefined' // 是否支持node函数
const path = isNode?require('path'):{}
const Remote = isNode?require('@electron/remote'):{}
const { ipcRenderer } = isNode?require('electron'):window.electron || {}
// 常用变量
const BaseUrl = process.env['ELECTRON_RENDERER_URL']+'/#'
const isDev = process.env.NODE_ENV !== 'production'
const BaseUrl = isNode?process.env['ELECTRON_RENDERER_URL']+'/#':''
const isDev = isNode?process.env.NODE_ENV !== 'production':''
/**
* 获取静态资源，开发和生产环境
@ -43,14 +44,16 @@ export function ipcMsgSend(key, data, type) {
if (type == 'old') {
return new Promise((resolve) => {
// 返回结果-监听
ipcRenderer.once(`${key}-reply`, (e, res) => {
ipcRenderer?.once(`${key}-reply`, (e, res) => {
resolve(res)
})
// 发送消息
ipcRenderer.send(key, data)
ipcRenderer?.send(key, data)
})
} else if (type == 'send') { // 单独发送
ipcRenderer?.send(key, data)
} else { // 新版本-默认
return ipcRenderer.invoke(key, data)
return ipcRenderer?.invoke(key, data)
}
}
/**

60
src/renderer/src/views/classBegins/index.vue
View File

@ -32,20 +32,28 @@
</template>
<script setup>
import { ref, onMounted, watch, reactive } from 'vue'
import { ref, onMounted, watch, reactive,watchEffect ,onBeforeUnmount} from 'vue'
import { useRoute } from 'vue-router';
import * as pdfjsLib from 'pdfjs-dist/legacy/build/pdf'
import pdfCanvas from '@/components/pdf/index.vue'
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();
// 传过去的参数
const pdfObj = reactive({
numberOfPdf: 2, //显示几页
pdfUrl: getStaticUrl('aaa.pdf', 'user', 'selfFile', true),
allPageData:[],
bookId:null,
numPages: 1 //当前页数
})
const textbookId=ref(null)
// 总条数
const numPagesTotal = ref(0)
const pdfCanvaslist = ref(null)
@ -60,17 +68,22 @@ const navtopage = (type) => {
pdfObj.numPages += num
}
if (pdfObj.numPages > numPagesTotal.value) return
pdfCanvaslist.value.initPdf()
pdfCanvaslist.value.initPdf('rest')
}
// 最小化窗口
const minimize = () => {
toolState.isPdfWin=false
toolState.showBoardAll=true //恢复默认值
console.log(toolState.showBoardAll,"关闭")
// ipcRenderer.send('tool-sphere:reset') //重置tool状态
ipcRenderer.send('open-PDF:minimize')
}
const handleUpdate = (data) => {
numPagesTotal.value = data
if (numPagesTotal.value == 1) {
pdfObj.numberOfPdf = 1
pdfCanvaslist.value.initPdf('restone')
pdfCanvaslist.value.initPdf('rest')
}
}
// 单双页切换
@ -87,10 +100,43 @@ const switchPageMode = () => {
} else {
// 多页切单页
pdfObj.numberOfPdf = 1
pdfCanvaslist.value.initPdf('restone')
pdfCanvaslist.value.initPdf('rest')
}
}
onMounted(async () => {})
onMounted(async () => {
toolState.isPdfWin=true
console.log(toolState.showBoardAll,"c初始")
const route = useRoute();
textbookId.value = route.query.textbookId
pdfObj.bookId=textbookId.value
getBookMarkById(textbookId.value).then(res=>{
pdfObj.allPageData=getUniqueArrayByLastOccurrence(res.data)
console.log(pdfObj.allPageData)
})
})
//根据page去重
const getUniqueArrayByLastOccurrence=(array)=> {
const uniqueItems = array.reduce((acc, current) => {
// 使用 Map 来跟踪最后一个出现的 pageNum 和它的对象
acc.set(current.pageNum, current);
return acc;
}, new Map());
// 将 Map 的值转换回数组
const resultArray = Array.from(uniqueItems.values());
return resultArray;
}
// watchEffect(() => {
// if(toolState.model=='select'){
// toolState.showBoardAll=false
// }
// console.log(toolState.model)
// })
</script>
<style lang="scss" scoped>

3
src/renderer/src/views/prepare/index.vue
View File

@ -449,7 +449,8 @@ export default {
// 打开PDF-课件
navtoPdf() {
createWindow('open-PDF', { url: '/classBegins/index' })
console.log(this.uploadData.textbookId)
createWindow('open-PDF', { url: '/classBegins/index?textbookId='+this.uploadData.textbookId })
},
// 上课-工具类悬浮
openLesson() {

31
src/renderer/src/views/tool/components/board.vue
View File

@ -6,8 +6,10 @@
</template>
<script setup>
// 功能说明：画板
import { ref, onMounted, watch } from 'vue'
import { ref, onMounted, watch,defineExpose } from 'vue'
import {FabricVue, TYPES} from '@/plugins/fabric'
import { useToolState } from '@/store/modules/tool'
const toolStore = useToolState()
const canvasRef = ref(null) // 画布
const props = defineProps({
modelValue: String
@ -23,10 +25,13 @@ onMounted(async() => {
await FabricVue.initCanvas(canvasRef.value, option)
}
})
// 监听
watch(() => props.modelValue, (newVal, oldVal) => {
// console.log(newVal, oldVal)
const handleMode = (newVal, oldVal) => {
if(toolStore.isPdfWin){
if(newVal=='clear'){
emit('update:modelValue', oldVal)
}
return
}
switch(newVal) {
case 'select': // 选择模式
FabricVue.handleMode(TYPES.ActionMode.OTHER)
@ -39,10 +44,22 @@ watch(() => props.modelValue, (newVal, oldVal) => {
FabricVue.handleMode(TYPES.ActionMode.ERASE)
break
case 'clear': // 清空画布
FabricVue.history?.clean()
emit('update:modelValue', oldVal)
if(oldVal){
FabricVue.history?.clean()
emit('update:modelValue', oldVal)
}
break
}
}
// 监听
watch(() => props.modelValue, (newVal, oldVal) => {
console.log(newVal, oldVal)
handleMode(newVal, oldVal)
})
// 暴露属性方法
defineExpose({
handleMode
})
</script>
<style lang="scss" scoped>

10
src/renderer/src/views/tool/directive/ignore.js
View File

@ -19,13 +19,19 @@ class Ignore {
}
// 监听元素移入移出，自动设置
mounted() {
this.el.addEventListener('mouseenter', () => { // 进入
this.el.addEventListener('mouseenter', e => { // 进入
this.send(false) // 元素不穿透，鼠标有效
this.changeHandle(e)
})
this.el.addEventListener('mouseleave', () => { // 离开
this.el.addEventListener('mouseleave', e => { // 离开
this.send(true) // 元素穿透，鼠标无效
this.changeHandle(e)
})
}
changeHandle(e) {
const customEvent = new CustomEvent('ignore-mounted', {detail:{ignore: this, e}})
this.el.dispatchEvent(customEvent)
}
}
export default {
mounted(el, binding) {

38
src/renderer/src/views/tool/sphere.vue
View File

@ -1,7 +1,7 @@
<template>
<div class="warp-all">
<!-- 画板 -->
<board-vue v-model="tabActive" v-show="isShow"></board-vue>
<board-vue v-model="tabActive" v-show="isShow" ref="boardVueRef"></board-vue>
<!-- 侧边工具栏 -->
<side-vue v-ignore></side-vue>
<!-- 底部工具栏 :style="dataPos.style"-->
@ -37,15 +37,13 @@ import vDrag from './directive/drag' // 自定义指令-拖拽
import vIgnore from './directive/ignore' // 自定义指令-穿透
import { useToolState } from '@/store/modules/tool'
import { ipcMsgSend } from '@/utils/tool' // 相关工具
// const { ipcRenderer } = require('electron') // app使用
const { ipcRenderer } = window.electron || {}
const tabActive = ref('select') // 工具栏当前选中项
const isFold = ref(false) // 折叠工具栏
const isDrag = ref(false) // 开始拖拽
const dragtime = ref(0) // 拖拽时间-计算点击还是拖动
const isShow = ref(true) // 是否显示-画板
const tabActive = ref('select') // 工具栏当前选中项
const isFold = ref(false) // 折叠工具栏
const isDrag = ref(false) // 开始拖拽
const dragtime = ref(0) // 拖拽时间-计算点击还是拖动
const isShow = ref(false) // 是否显示-画板
const toolStore = useToolState() // 状态管理
const boardVueRef=ref(null) // 画板ref
const btnList = [ // 工具栏按钮列表
{ label: '选择', value: 'select', icon: 'icon-mouse' },
{ label: '画笔', value: 'brush', icon: 'icon-huabi' },
@ -55,12 +53,11 @@ const btnList = [ // 工具栏按钮列表
// { label: '聚焦', value: 'focus', icon: 'icon-jujiao' },
// { label: '更多', value: 'more', icon: 'icon-xiazai9' },
]
onMounted(() => {
})
// onMounted(() => {})
// const test = (e) => { console.log('test', e) }
// ==== 方法 ===
const tabChange = (val) => { // 切换tab-change
// console.log('xxxx:', val)
if(!toolStore.isPdfWin) toolStore.showBoardAll = true
switch (val) {
case 'brush': // 画笔
break
@ -73,7 +70,7 @@ const tabChange = (val) => { // 切换tab-change
case 'more':
break
case 'close':
ipcRenderer?.send('tool-sphere:close')
ipcMsgSend('tool-sphere:close')
break
default:
break
@ -88,10 +85,19 @@ const logoHandle = (e,t) => { // logo 点击-事件 折叠|展开
const mouseChange = (bool) => { // 鼠标移入工具栏 是否穿透
let resBool = false
if (tabActive.value == 'select') resBool = !!bool
ipcRenderer?.send('tool-sphere:set:ignore', resBool)
if (!isShow.value) resBool = !!bool
setIgnore(resBool)
}
const setIgnore = (bool) => { // 忽略鼠标穿透
ipcMsgSend('tool-sphere:set:ignore', bool)
}
watchEffect(() => { // 监听
isShow.value = toolStore.showBoardAll // 是否显示-画板
isShow.value = !toolStore.isPdfWin && toolStore.showBoardAll // 是否显示-画板
if(!toolStore.isPdfWin && toolStore.showBoardAll){ //恢复进入页面前的状态
boardVueRef.value.handleMode(tabActive.value)
mouseChange(true)
}
})
</script>