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X1627315083
2024-08-23 10:19:02 +08:00
parent eff35d8a79
commit eb54023940
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<template>
<div class="editFrontBack_center">
<div class="exportCanvasBox_center">
<div class="editFrontBack_center_btn editFrontBack_center_item" :class="{spread:spreadState}">
<!-- <div @click="setOperation('')" class="editFrontBack_center_btn_item">
<div>新增</div>
</div> -->
<i class="icon iconfont icon-chehui" @click="historyState('')"></i>
<i class="icon iconfont icon-fanchehui" @click="historyState('reverse')"></i>
<i class="icon iconfont icon-move" @click="setOperation('move')" :class="{active:canvasState == 'move'}"></i>
<i class="icon iconfont icon-bianji" @click="setOperation('pencil')" :class="{active:canvasState == 'pencil'}"></i>
<i class="icon iconfont icon-xiangpi_huaban1" @click="setOperation('eraser')" :class="{active:canvasState == 'eraser'}"></i>
<input type="range" v-show="canvasState != 'move'" @input="setPencilWidth" min="1" max="50" v-model="canvasPencilWidth[canvasState]">
<div class="icon iconfont icon-xiala" :class="{btnRotate:spreadState}" @click="()=>spreadState = !spreadState"></div>
<div @click="setSubmit">保存</div>
</div>
</div>
</div>
</template>
<script>
import { defineComponent, ref, reactive, watch, onMounted, nextTick, toRefs } from "vue";
import { Https } from "@/tool/https";
import { formatTime,segmentImage } from "@/tool/util";
import { setCookie, getCookie } from "@/tool/cookie";
import { Modal, message } from "ant-design-vue";
import { ExclamationCircleOutlined } from "@ant-design/icons-vue";
import allOrder from "@/component/Pay/allOrder.vue";
import creditsDetail from "@/component/Pay/creditsDetail.vue";
import { exportSele,JSRectUpdata,JSchangeType,JScanvasMouseDown,JSSetRemoveImage,JScreateCheck,JSSetTexture } from "@/tool/canvasDrawing";
import { useI18n } from "vue-i18n";
export default defineComponent({
components: {
creditsDetail,
allOrder,
},
// emits: ['setSloganData'],
props:['patchData','imgDomIndex'],
setup(props,{emit}) {
let presentState = ref('paypal');
let loadingShow = ref(false);
let { t } = useI18n();
let canvas = reactive({});
let ratio = [1,1]
let exportWH = 0
let imgDomIndex = 0
// let a = computed(()=>{
// console.log(123);
// return props.patchData
// })
watch(()=>props.imgDomIndex,(newVal,oldVal)=>{
imgDomIndex = newVal
console.log(newVal,oldVal)
console.log(props.patchData);
props.patchData.front.imageUrl= ''
init(props.patchData.front[newVal],'')
})
let canvasBtn = reactive({
canvasState:'move',
canvasPencilWidth:{
pencil:4,
eraser:4,
},
spreadState:false,
})
let canvasWH = ref(0);
let exportUrl = ''
let reverseCanvasState = ref([])//存放canvas操作
let normalCanvasState = ref([])//存放canvas操作
let canvasState = ref()//存放canvas操作
let keyDown = []//监听键盘的 keydown 和 keyup 事件
let init = (data,index)=>{
loadingShow.value = true
normalCanvasState.value = []
reverseCanvasState.value = []
ratio = [1,1]
nextTick(()=>{
let canvasBox = document.querySelector(".exportCanvasBox_center");
let height = canvasBox.offsetHeight;
canvasBox.style.width = height+'px'
canvasWH.value = height
var canvasDom = document.createElement("canvas");
document.addEventListener("keydown", canvasKeyDown);
document.addEventListener("keyup", canvasKeyUp);
let oldCanvasDom = canvasBox.querySelector('.canvas-container')
let oldCanvasDom1 = canvasBox.querySelector('canvas')
if(oldCanvasDom)oldCanvasDom.remove()
if(oldCanvasDom1)oldCanvasDom1.remove()
canvasBox.appendChild(canvasDom);
let img = new Image();
img.onload = function(){
let wScale = 1
let hScale = 1
let styleWidth = Number(data.style.width.split('px')[0])
let styleHeight = Number(data.style.height.split('px')[0])
if(styleWidth>styleHeight){
hScale = styleHeight/styleWidth
exportWH = img.width
}else{
wScale = styleWidth/styleHeight
exportWH = img.height
}
ratio = [wScale,hScale]
canvas = new fabric.Canvas(canvasDom, {
width: canvasWH.value * wScale,
height: canvasWH.value * hScale,
isDrawingMode: false, // 开启绘图模式
});
JSchangeType(canvas,'init')
fabric.Object.prototype.cornerSize = 10
fabric.Object.prototype.transparentCorners = false
exportUrl = data.imageUrl
fabric.Image.fromURL(data.imageUrl, function(img) {
// 设置背景图对象的宽度和高度与 canvas 相同
img.scaleToWidth(canvas.width);
img.scaleToHeight(canvas.height);;
img.set({
// width: canvas.width,
// height: canvas.height,
// scaleX:2,
// scaleY:1,
scaleX: canvas.width / img.width,
scaleY: canvas.height / img.height
});
// 将背景图添加到 canvas 的底层
// canvas.add(img);
canvas.setBackgroundImage(img, canvas.renderAll.bind(canvas));
if(!fabric.Object.prototype.controls.deleteControl){
JSSetRemoveImage(deleteObj)
}else{
fabric.Object.prototype.controls.deleteControl.mouseUpHandler = deleteObj
}
updateCanvasState()
loadingShow.value = false
},{ crossOrigin: "Anonymous" });
// 鼠标抬起事件
canvas.on('mouse:up', function(event) {
console.log(event);
if(canvasBtn.canvasState != 'move'){
updateCanvasState('mouseUp')
}
});
//画布上移动
canvas.on("mouse:move", event =>setCanvasMove(event));
canvas.add(brushIndicator)
setOperation('pencil')
img.remove()
}
img.src = data.imageUrl
})
}
let canvasKeyDown = (event) => {
if(keyDown.indexOf(event.key)>-1){
}else{
keyDown.push(event.code)
if(keyDown.indexOf('ControlLeft') > -1 && keyDown.indexOf('KeyZ') > -1 && keyDown.indexOf('ShiftLeft') > -1){
historyState('reverse')
}else if(keyDown.indexOf('ControlLeft') > -1 && keyDown.indexOf('KeyZ') > -1){
historyState('')
}
}
}
let canvasKeyUp = (event) =>{
keyDown = keyDown.filter(function(item) {
return event.code !== item;
})
}
let clearCanvas = ()=>{
canvasBtn.canvasState = 'move'
canvasBtn.spreadState = false
document.removeEventListener("keydown", canvasKeyDown);
document.removeEventListener("keyup", canvasKeyUp);
}
let rgba = 'rgba(0, 0, 0, 1)'
let brushIndicator = new fabric.Circle({
radius:2,
fill: 'rgba(0, 0, 0, 0)',
stroke: '#000',
strokeWidth: 1,
originX: 'center',
originY: 'center',
visible :true,
// left: -100,
// top: -100,
erasable: false,
});
let setCanvasMove = (event)=>{
var pointer = canvas.getPointer(event.e);
if(canvas.isDrawingMode){
canvas.setCursor('none');
if(!canvas.contains(brushIndicator)){
canvas.add(brushIndicator)
brushIndicator.set({// left:0,
// top:0,
radius:(canvasBtn.canvasPencilWidth[canvasBtn.canvasState])/2
})
canvas.bringToFront(brushIndicator);//设置优先级最高
}
// brushIndicator.fill = canvasPencilColor.value
brushIndicator.set({ left: pointer.x, top: pointer.y, visible: true,radius:(canvasBtn.canvasPencilWidth[canvasBtn.canvasState])/2 });
}
canvas.requestRenderAll()
}
let setOperation = (str)=>{
canvasBtn.canvasState = str
if(str == 'move'){
setMove()
if(canvas.contains(brushIndicator))canvas.remove(brushIndicator)
}else if(str == 'pencil'){
setPencil()
if(!canvas.contains(brushIndicator))canvas.add(brushIndicator)
}else if(str == 'eraser'){
setEraser()
if(!canvas.contains(brushIndicator))canvas.add(brushIndicator)
}
}
let setMove = ()=>{
canvas.isDrawingMode = false
canvas.forEachObject((obj) =>obj.selectable = true);
}
let setPencil = ()=>{
canvas.isDrawingMode = true//开启绘画模式
canvas.freeDrawingBrush = new fabric.PencilBrush(canvas,{});
canvas.freeDrawingBrush.width = Number(canvasBtn.canvasPencilWidth[canvasBtn.canvasState]);
canvas.freeDrawingBrush.color = rgba
brushIndicator.set('fill',rgba)
canvas.freeDrawingBrush.isEraser = false
}
let setEraser = ()=>{
canvas.isDrawingMode = true
let eraser = new fabric.EraserBrush(canvas)
canvas.freeDrawingBrush = eraser
brushIndicator.set({fill: '#fff'});
canvas.requestRenderAll();
canvas.freeDrawingBrush.isEraser = true
canvas.freeDrawingBrush.width = Number(canvasBtn.canvasPencilWidth[canvasBtn.canvasState]);
}
let deleteObj = ()=> {
// if(!canvas.getActiveObjects()){
// return
// }
let target = canvas.getActiveObjects()
target.forEach((item)=>{
canvas.fxRemove(item, {
onComplete(){
canvas.discardActiveObject(); // 丢弃当前选中的对象
canvas.renderAll(); // 重新渲染 Canvas
}
})
canvas.FX_DURATION = 300
})
}
let setTimeOutWidth
let setPencilWidth = ()=>{//切换颜色给铅笔设置颜色
clearTimeout(setTimeOutWidth)
setTimeOutWidth = setTimeout(()=>{
canvas.freeDrawingBrush.width = Number(canvasBtn.canvasPencilWidth[canvasBtn.canvasState])
},300)
}
let updateCanvasState = (str) =>{
if(str != 'mouseUp'){
canvas.remove(brushIndicator)
}
const canvasAsJson = JSON.stringify(canvas.toJSON());
normalCanvasState.value.push(canvasAsJson);
}
//撤回
let historyState = (str)=> {
if(str == 'reverse' && reverseCanvasState.value.length > 0){//反撤回
let obj = reverseCanvasState.value.pop()
// canvasState.value = reverseCanvasState.value[reverseCanvasState.value.length-1]
canvasState.value = obj
normalCanvasState.value.push(obj);
}else if(str == '' && normalCanvasState.value.length > 1){
let obj = normalCanvasState.value.pop()
canvasState.value = normalCanvasState.value[normalCanvasState.value.length-1]
reverseCanvasState.value.push(obj);
}else{
return
}
canvas.loadFromJSON(canvasState.value, () => {});
}
let setSubmit = ()=>{
let mark = 'https://www.minio.aida.com.hk:12024/aida-users/83/toProductImageElement/e30c06b3-ce93-4fd8-a381-f3bdb4b5d318.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=admin%2F20240822%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240822T083215Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=40356ec75617430e7cef2d8cc0524ff0b18411559f4f52ab6a8f8522d7348250'
let full = 'https://www.minio.aida.com.hk:12024/aida-users/83/toProductImageElement/ad929cf8-61e9-4e73-9d1b-8338d8d151d2.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=admin%2F20240822%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240822T083909Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=7e7facf97ebce6e621f0cd68188fdebef0e238092cd3b3dd4f70ed783433d637'
let size = {
width: exportWH * ratio[0],
height: exportWH * ratio[1],
}
segmentImage(mark,full,size).then((rv)=>{
console.log(rv);
})
return
var allObjects = canvas.getObjects('path');
var canvasDom = document.createElement("canvas");
let exportCanvas = new fabric.Canvas(canvasDom, {
width: exportWH * ratio[0],
height: exportWH * ratio[1],
isDrawingMode: false, // 开启绘图模式
});
canvas.backgroundImage.clone((back)=>{
back.scaleToWidth(exportCanvas.width);
back.scaleToHeight(exportCanvas.height);
back.set({
scaleX: exportCanvas.width / back.width,
scaleY: exportCanvas.height / back.height
})
let scale = exportCanvas.height/canvas.height
exportCanvas.backgroundImage = back
allObjects.forEach((item,index)=>{
// let obj = fabric.util.object.clone(item);
if(item.type == 'circle')return
let obj
item.clone((cloned)=>{
obj = cloned
})
obj.set(
{
scaleX:(item.scaleX?item.scaleX:1)*scale,
scaleY:(item.scaleY?item.scaleY:1)*scale,
left:item.left*scale,
top:item.top*scale,
}
)
exportCanvas.add(obj)
})
let data = exportCanvas.toDataURL('png')
cancelDsign()
clearCanvas()
console.log(data);
props.patchData.front[imgDomIndex].imageUrl = data
// emit('setSloganData',data)
})
}
let cancelDsign = ()=>{
document.removeEventListener('keydown',canvasKeyDown);
document.removeEventListener('keyup', canvasKeyUp);
}
return {
presentState,
loadingShow,
t,
...toRefs(canvasBtn),
init,
setOperation,
setPencilWidth,
historyState,
setSubmit,
cancelDsign,
};
},
data() {
return {
};
},
mounted() {},
methods: {
},
});
</script>
<style lang="less" scoped>
.editFrontBack_center{
position: relative;
// width: calc(512px / 2);
// width: 256px;
height: 100%;
display: flex;
flex-direction: column;
// height: calc(512px / 2);
margin: 0 auto;
.editFrontBack_center_item{
// position: relative;
background: #fff;
position: absolute;
display: flex;
border: 0.2rem solid #c4c4c4;
width: 25rem;
border-radius: 4px; /* 设置圆角半径 */
flex-wrap: wrap;
.editFrontBack_center_btn_item{
display: flex;
align-items: center;
padding: 1rem 0;
}
}
.exportCanvasBox_center{
height: 100%;
flex: 1;
position: relative;
margin: 0 auto;
overflow: hidden;
background: #e6e6e6;
// overflow: scroll;
.editFrontBack_center_btn{
z-index: 2;
left: 50%;
transform: translate(-50%,-135%);
transition: all .3s;
padding: 1rem 1.5rem;
// position: relative;
input{
width: 100%;
margin-top: 1rem;
}
.icon-xiala{
position: absolute;
width: 2rem;
bottom: 0;
transform: translate(-50%, 90%);
left: 50%;
width: 6rem;
background: #fff;
text-align: center;
cursor: pointer;
&.icon-xiala::before{
transition: all .3s;
}
&.btnRotate::before{
transform: rotate(180deg);
display: block;
}
}
i{
font-size: 2.5rem;
cursor: pointer;
width: 4rem;
height: 4rem;
display: flex;
align-items: center;
justify-content: center;
&.active{
border: 1px solid;
border-radius: .4rem;
}
}
&.spread{
transform: translate(-50%,0);
}
}
:deep(.canvas-container){
left: 50%;
top: 50%;
transform: translate(-50%,-50%);
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAAA3NCSVQICAjb4U/gAAAABlBMVEXMzMz////TjRV2AAAACXBIWXMAAArrAAAK6wGCiw1aAAAAHHRFWHRTb2Z0d2FyZQBBZG9iZSBGaXJld29ya3MgQ1M26LyyjAAAABFJREFUCJlj+M/AgBVhF/0PAH6/D/HkDxOGAAAAAElFTkSuQmCC);
}
}
.exportCanvasBox_center:hover{
.editFrontBack_center_btn{
transform: translate(-50%,-101%);
&.spread{
transform: translate(-50%,0);
}
}
}
}
</style>