284 lines
8.1 KiB
Vue
284 lines
8.1 KiB
Vue
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<template>
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<a-modal
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class="liquefaction generalModel"
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v-model:visible="liqufeaction"
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:footer="null"
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width="50%"
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:maskClosable="false"
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:centered="true"
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:closable="false"
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wrapClassName="#app"
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:keyboard="false"
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>
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<div class="generalModel_btn">
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<div class="generalModel_closeIcon" @click.stop="cancelDsign()">
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<i class="fi fi-rr-cross-small"></i>
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</div>
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</div>
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<div class="liquefaction_center">
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</div>
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</a-modal>
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<!-- <div class="mark_loading" v-show="loadingShow">
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<a-spin size="large" />
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</div> -->
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</template>
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<script>
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import { defineComponent, ref, reactive, watch, onMounted, nextTick, toRefs } from "vue";
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import { Https } from "@/tool/https";
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import { formatTime } from "@/tool/util";
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import { setCookie, getCookie } from "@/tool/cookie";
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import { Modal, message } from "ant-design-vue";
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import { ExclamationCircleOutlined } from "@ant-design/icons-vue";
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import allOrder from "@/component/Pay/allOrder.vue";
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import creditsDetail from "@/component/Pay/creditsDetail.vue";
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import { exportSele,JSRectUpdata,JSchangeType,JScanvasMouseDown,JSSetRemoveImage,JScreateCheck,JSSetTexture } from "@/tool/canvasDrawing";
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import { useI18n } from "vue-i18n";
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import { getMousePosition } from "@/tool/mdEvent";
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export default defineComponent({
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components: {
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creditsDetail,
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allOrder,
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},
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emits: ['setSloganData'],
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setup(props,{emit}) {
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let presentState = ref('paypal');
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let liqufeaction = ref(false);
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let loadingShow = ref(false);
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let { t } = useI18n();
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let canvas = reactive({});
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let scale = 2;
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let ratio = [1,1]
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let exportWH = 512
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let pencilbtnStyle = ref({
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background:'',
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width:0+'px',
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height:0+'px',
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display:'none',
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left:0+'px',
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top:0+'px',
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})
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let canvasBtn = reactive({
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canvasState:'move',
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canvasPencilWidth:{
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pencil:4,
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eraser:4,
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},
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spreadState:false,
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})
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let canvasWH = ref(0);
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onMounted(()=>{
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})
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let exportUrl = ''
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let reverseCanvasState = ref([])//存放canvas操作
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let normalCanvasState = ref([])//存放canvas操作
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let canvasState = ref()//存放canvas操作
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let keyDown = []//监听键盘的 keydown 和 keyup 事件
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let init = (data)=>{
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console.log(data);
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console.log(123);
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}
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let canvasKeyDown = (event) => {
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if(keyDown.indexOf(event.key)>-1){
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}else{
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keyDown.push(event.code)
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if(keyDown.indexOf('ControlLeft') > -1 && keyDown.indexOf('KeyZ') > -1 && keyDown.indexOf('ShiftLeft') > -1){
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historyState('reverse')
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}else if(keyDown.indexOf('ControlLeft') > -1 && keyDown.indexOf('KeyZ') > -1){
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historyState('')
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}
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}
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}
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let canvasKeyUp = (event) =>{
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keyDown = keyDown.filter(function(item) {
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return event.code !== item;
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})
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}
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let clearCanvas = ()=>{
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canvasBtn.canvasState = 'move'
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canvasBtn.spreadState = false
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document.removeEventListener("keydown", canvasKeyDown);
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document.removeEventListener("keyup", canvasKeyUp);
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}
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let rgba = 'rgba(0, 0, 0, 1)'
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let mouseMove = (event)=>{
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let e = getMousePosition(event,false)
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setCanvasMove(e)
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}
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let touchmove = (event)=>{
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let e = getMousePosition(event,true)
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setCanvasMove(e)
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}
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let setCanvasMove = (event)=>{
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if(canvas.isDrawingMode){
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canvas.setCursor('none');
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}
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let canvasCenterBox = document.querySelector(".liquefaction .exportCanvasBox_center_box");
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if(!canvasCenterBox)return
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let parentX = event.clientX - canvasCenterBox.getBoundingClientRect().left
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let parentY = event.clientY - canvasCenterBox.getBoundingClientRect().top
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pencilbtnStyle.value.left = parentX + "px"
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pencilbtnStyle.value.top = parentY+'px'
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}
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let setOperation = (str)=>{
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canvasBtn.canvasState = str
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if(str == 'move'){
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setMove()
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pencilbtnStyle.value.display = `none`
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}else if(str == 'pencil'){
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setPencil()
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pencilbtnStyle.value.display = `block`
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}else if(str == 'eraser'){
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setEraser()
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pencilbtnStyle.value.display = `block`
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}
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}
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let setMove = ()=>{
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canvas.isDrawingMode = false
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canvas.forEachObject((obj) =>obj.selectable = true);
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}
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let setPencil = ()=>{
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canvas.isDrawingMode = true//开启绘画模式
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canvas.freeDrawingBrush = new fabric.PencilBrush(canvas,{});
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canvas.freeDrawingBrush.width = Number(canvasBtn.canvasPencilWidth[canvasBtn.canvasState]);
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canvas.freeDrawingBrush.color = rgba
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pencilbtnStyle.value.background = rgba
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canvas.freeDrawingBrush.isEraser = false
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setPencilWidth()
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}
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let setEraser = ()=>{
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canvas.isDrawingMode = true
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let eraser = new fabric.EraserBrush(canvas)
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canvas.freeDrawingBrush = eraser
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canvas.requestRenderAll();
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canvas.freeDrawingBrush.isEraser = true
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pencilbtnStyle.value.background = `rgb(255,255,255)`
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canvas.freeDrawingBrush.width = Number(canvasBtn.canvasPencilWidth[canvasBtn.canvasState]);
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setPencilWidth()
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}
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let deleteObj = ()=> {
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// if(!canvas.getActiveObjects()){
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// return
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// }
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let target = canvas.getActiveObjects()
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target.forEach((item)=>{
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canvas.fxRemove(item, {
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onComplete(){
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canvas.discardActiveObject(); // 丢弃当前选中的对象
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canvas.renderAll(); // 重新渲染 Canvas
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}
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})
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canvas.FX_DURATION = 300
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})
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}
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let setTimeOutWidth
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let setPencilWidth = ()=>{//切换颜色给铅笔设置颜色
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clearTimeout(setTimeOutWidth)
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setTimeOutWidth = setTimeout(()=>{
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canvas.freeDrawingBrush.width = Number(canvasBtn.canvasPencilWidth[canvasBtn.canvasState])
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pencilbtnStyle.value.height = canvasBtn.canvasPencilWidth[canvasBtn.canvasState]+'px'
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pencilbtnStyle.value.width = canvasBtn.canvasPencilWidth[canvasBtn.canvasState]+'px'
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},300)
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}
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let updateCanvasState = (str) =>{
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if(str != 'mouseUp'){
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}
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const canvasAsJson = JSON.stringify(canvas.toJSON());
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normalCanvasState.value.push(canvasAsJson);
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}
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//撤回
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let historyState = (str)=> {
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if(str == 'reverse' && reverseCanvasState.value.length > 0){//反撤回
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let obj = reverseCanvasState.value.pop()
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// canvasState.value = reverseCanvasState.value[reverseCanvasState.value.length-1]
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canvasState.value = obj
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normalCanvasState.value.push(obj);
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}else if(str == '' && normalCanvasState.value.length > 1){
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let obj = normalCanvasState.value.pop()
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canvasState.value = normalCanvasState.value[normalCanvasState.value.length-1]
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reverseCanvasState.value.push(obj);
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}else{
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return
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}
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canvas.loadFromJSON(canvasState.value, () => {});
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}
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let setSubmit = ()=>{
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var allObjects = canvas.getObjects('path');
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// if(allObjects.length == 0){
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// return message.info(t('addDetails.jsContent1'))
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// }
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var canvasDom = document.createElement("canvas");
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let exportCanvas = new fabric.Canvas(canvasDom, {
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backgroundColor: "rgba(255, 255, 255,1)",
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width: exportWH * ratio[0],
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height: exportWH * ratio[1],
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isDrawingMode: false, // 开启绘图模式
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});
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canvas.backgroundImage.clone((back)=>{
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back.set({
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scaleX:1,
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scaleY:1,
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left:back.left*scale,
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top:back.top*scale ,
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})
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exportCanvas.backgroundImage = back
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allObjects.forEach((item,index)=>{
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// let obj = fabric.util.object.clone(item);
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if(item.type == 'circle')return
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let obj
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item.clone((cloned)=>{
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obj = cloned
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})
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obj.set(
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{
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scaleX:(item.scaleX?item.scaleX:1)*scale,
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scaleY:(item.scaleY?item.scaleY:1)*scale,
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left:item.left*scale,
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top:item.top*scale,
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}
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)
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exportCanvas.add(obj)
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})
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let data = exportCanvas.toDataURL('jpg')
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cancelDsign()
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clearCanvas()
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emit('setSloganData',data)
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})
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}
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let cancelDsign = ()=>{
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document.removeEventListener('keydown',canvasKeyDown);
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document.removeEventListener('keyup', canvasKeyUp);
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liqufeaction.value = false
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}
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return {
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presentState,
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liqufeaction,
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loadingShow,
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t,
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pencilbtnStyle,
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...toRefs(canvasBtn),
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init,
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setOperation,
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setPencilWidth,
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historyState,
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setSubmit,
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cancelDsign,
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};
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},
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data() {
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return {
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};
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},
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mounted() {},
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methods: {
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},
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});
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</script>
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<style lang="less" scoped>
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.liquefaction {
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}
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</style>
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