画板-画笔
This commit is contained in:
zdg
parent
666c4becd2
commit
79d36ea6ba
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@ -29,6 +29,7 @@
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"fabric": "5.3.0",
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"js-cookie": "^3.0.5",
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"jsencrypt": "^3.3.2",
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"jsondiffpatch": "0.6.0",
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"pinia": "^2.1.7",
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"pinia-plugin-persistedstate": "^3.2.1",
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"vue-cropper": "^1.0.3",
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@ -0,0 +1,232 @@
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/**
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* @description: 点击事件
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*/
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import { FabricVue } from '@/plugins/fabric'
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import * as TYPES from '@/constants/draw'
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import * as fabricStore from '@/store/modules/draw'
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export let updateInkHook = null // ((ink: IInk[]) => void) | null
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export class CanvasClickEvent {
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isMouseDown = false
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isSpaceKeyDown = false
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startPoint // fabric.Point | undefined
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currentElement = null // The current mouse move draws the element|当前鼠标移动会绘制元素
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mouseDownTime = 0
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autoDrawInk = [[], [], []] // google auto draw ink Array<Array<number>>
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isDrawBasic = false // 是否默认绘制
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constructor() {
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this.initClickEvent()
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}
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initClickEvent() {
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const canvas = FabricVue.canvas
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const useDrawStore = fabricStore.useDrawStore()
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const useBoardStore = fabricStore.useBoardStore()
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// 事件：按下鼠标
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canvas?.on('mouse:down', (e) => {
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this.isMouseDown = true
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if (this.isSpaceKeyDown) {
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return
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}
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this.startPoint = e.absolutePointer
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let currentElement = null
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if (useBoardStore.mode === TYPES.ActionMode.DRAW) {
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if (useBoardStore.drawType === TYPES.DrawType.Shape) {
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// switch (useShapeStore.shapeStyle) {
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// case ShapeStyle.Rect:
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// currentElement = new RectShape(e.absolutePointer)
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// break
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// case ShapeStyle.Circle:
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// currentElement = new CircleShape(e.absolutePointer)
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// break
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// case ShapeStyle.Line:
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// currentElement = new LineShape(e.absolutePointer)
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// break
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// case ShapeStyle.Ellipse:
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// currentElement = new EllipseShape(e.absolutePointer)
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// break
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// case ShapeStyle.Triangle:
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// currentElement = new TriangleShape(e.absolutePointer)
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// break
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// case ShapeStyle.ArrowLine:
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// currentElement = new ArrowLineShape(e.absolutePointer)
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// break
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// case ShapeStyle.ArrowOutline:
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// currentElement = new ArrowOutlineShape(e.absolutePointer)
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// break
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// case ShapeStyle.Cloud:
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// currentElement = new CloudShape(e.absolutePointer)
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// break
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// case ShapeStyle.Tooltips:
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// currentElement = new TooltipsShape(e.absolutePointer)
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// break
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// case ShapeStyle.Lightning:
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// currentElement = new LightningShape(e.absolutePointer)
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// break
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// case ShapeStyle.Close:
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// currentElement = new CloseShape(e.absolutePointer)
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// break
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// case ShapeStyle.Check:
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// currentElement = new CheckShap(e.absolutePointer)
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// break
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// case ShapeStyle.Info:
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// currentElement = new InfoShape(e.absolutePointer)
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// break
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// case ShapeStyle.Backspace:
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// currentElement = new BackspaceShape(e.absolutePointer)
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// break
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// case ShapeStyle.Block:
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// currentElement = new BlockShap(e.absolutePointer)
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// break
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// case ShapeStyle.Speaker:
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// currentElement = new SpeakerShape(e.absolutePointer)
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// break
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// case ShapeStyle.Search:
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// currentElement = new SearchShape(e.absolutePointer)
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// break
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// case ShapeStyle.InfoOutline:
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// currentElement = new InfoOutlineShape(e.absolutePointer)
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// break
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// case ShapeStyle.Heart:
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// currentElement = new HeartShape(e.absolutePointer)
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// break
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// case ShapeStyle.Alert:
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// currentElement = new AlertShape(e.absolutePointer)
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// break
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// default:
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// break
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// }
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} else if (useBoardStore.drawType === TYPES.DrawType.FreeStyle) {
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switch (useDrawStore.drawStyle) {
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// case TYPES.DrawStyle.Shape:
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// currentElement = new ShapeElement()
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// break
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// case TYPES.DrawStyle.Pixels:
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// currentElement = new PixelsElement()
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// break
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// case TYPES.DrawStyle.Text:
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// currentElement = new DrawTextElement()
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// break
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// case TYPES.DrawStyle.MultiLine:
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// currentElement = new MultiLineElement()
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// break
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// case TYPES.DrawStyle.Reticulate:
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// currentElement = new ReticulateElement()
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// break
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// case TYPES.DrawStyle.Rainbow:
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// currentElement = new RainbowElement()
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// break
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// case TYPES.DrawStyle.Thorn:
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// currentElement = new ThornElement()
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// break
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// case TYPES.DrawStyle.MultiPoint:
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// currentElement = new MultiPointElement()
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// break
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// case TYPES.DrawStyle.Wiggle:
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// currentElement = new WiggleElement()
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// break
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case TYPES.DrawStyle.Basic:
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// if (useDrawStore.openAutoDraw) {
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// autoDrawData.resetLoadedSVG()
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// this.mouseDownTime = new Date().getTime()
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// }
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console.log('xxxx')
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this.isDrawBasic = true
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break
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default:
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break
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}
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}
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}
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this.currentElement = currentElement
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})
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// 事件：移动鼠标
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canvas?.on('mouse:move', (e) => {
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if (this.isMouseDown) {
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// Press space, drag the canvas, stop drawing.
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if (this.isSpaceKeyDown) {
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canvas.relativePan(new fabric.Point(e.e.movementX, e.e.movementY))
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return
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}
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// two touch disabled drawing on mobile
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if (FabricVue.evnet?.touchEvent?.isTwoTouch) {
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return
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}
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if (
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this.mouseDownTime &&
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e.absolutePointer?.x &&
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e.absolutePointer?.y
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) {
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this.autoDrawInk[0].push(e.absolutePointer?.x)
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this.autoDrawInk[1].push(e.absolutePointer?.y)
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this.autoDrawInk[2].push(new Date().getTime() - this.mouseDownTime)
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}
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if (
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useBoardStore.mode === TYPES.ActionMode.DRAW && this.currentElement
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) {
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this.currentElement.addPosition(e.absolutePointer)
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}
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}
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})
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// 事件：松开鼠标
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canvas?.on('mouse:up', (e) => {
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this.isMouseDown = false
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if (this.autoDrawInk?.[0]?.length > 3) {
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autoDrawData.addInk([...this.autoDrawInk])
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updateInkHook?.([...autoDrawData.inks])
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this.autoDrawInk = [[], [], []]
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this.mouseDownTime = 0
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}
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if (this.currentElement) {
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let isDestroy = false
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if (this.startPoint && e.absolutePointer) {
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const { x: startX, y: startY } = this.startPoint
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const { x: endX, y: endY } = e.absolutePointer
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if (startX === endX && startY === endY) {
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this.currentElement.destroy()
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isDestroy = true
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}
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}
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if (!isDestroy) {
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if (
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this.currentElement instanceof LineShape ||
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this.currentElement instanceof ArrowLineShape
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) {
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this.currentElement?.mouseUp()
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}
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FabricVue.history?.saveState()
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}
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this.currentElement = null
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}
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// zdg: 基础画笔 保存数据
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if (this.isDrawBasic) FabricVue.history?.saveState()
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window.test = FabricVue
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})
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canvas?.on('mouse:dblclick', (e) => {
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if (e?.absolutePointer) {
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const { x, y } = e.absolutePointer
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FabricVue.textElement?.loadText(x, y)
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}
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})
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}
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setSpaceKeyDownState(isSpaceKeyDown) {
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this.isSpaceKeyDown = isSpaceKeyDown
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}
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changeInkHookFn(fn) {
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updateInkHook = fn
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}
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}
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@ -0,0 +1,35 @@
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import { CanvasClickEvent } from './clickEvent'
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// import { ObjectEvent } from './objectEvent'
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// import { CanvasTouchEvent } from './touchEvent'
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// import { CanvasZoomEvent } from './zoomEvent'
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// import { WindowEvent } from './windowEvent'
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export class CanvasEvent {
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clickEvent // CanvasClickEvent
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zoomEvent // CanvasZoomEvent
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objectEvent // ObjectEvent
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windowEvent // WindowEvent
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touchEvent // CanvasTouchEvent
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constructor() {
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const clickEvent = new CanvasClickEvent()
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this.clickEvent = clickEvent
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// const zoomEvent = new CanvasZoomEvent()
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// this.zoomEvent = zoomEvent
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// const objectEvent = new ObjectEvent()
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// this.objectEvent = objectEvent
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// const windowEvent = new WindowEvent()
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// this.windowEvent = windowEvent
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// const touchEvent = new CanvasTouchEvent()
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// this.touchEvent = touchEvent
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}
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removeEvent() {
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this.windowEvent.removeWindowEvent()
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this.touchEvent.removeTouchEvent()
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}
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}
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@ -0,0 +1,120 @@
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/**
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* 历史记录
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*/
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import { FabricVue } from '@/plugins/fabric'
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import * as commUtils from '@/plugins/fabric/utils'
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import * as bgUtils from '@/plugins/fabric/utils/bg'
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import { diff, unpatch, patch } from 'jsondiffpatch'
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import * as fabricStore from '@/store/modules/draw'
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const initState = {}
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/**
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* Operation History
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*/
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export class History {
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diffs = []
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canvasData = {}
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index = 0
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constructor() {
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const canvas = FabricVue.canvas
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if (canvas) {
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const canvasJson = commUtils.getCanvasJSON()
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this.canvasData = cloneDeep(canvasJson ?? {})
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}
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}
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// 缓存相关数据json
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saveState() {
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const canvas = FabricVue?.canvas
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if (canvas) {
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const useFileStore = fabricStore.useFileStore()
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this.diffs = this.diffs.slice(0, this.index)
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const canvasJson = commUtils.getCanvasJSON()
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const delta = diff(canvasJson, this.canvasData)
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this.diffs.push(delta)
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// More than 50 operations, remove initial state
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if (this.diffs.length > 50) {
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this.diffs.shift()
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} else {
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this.index++
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}
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this.canvasData = cloneDeep(canvasJson ?? {})
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useFileStore.updateBoardData(canvasJson)
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}
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}
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// 撤销
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undo() {
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const canvas = FabricVue?.canvas
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if (canvas && this.index > 0) {
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const useFileStore = fabricStore.useFileStore()
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const delta = this.diffs[this.index - 1]
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this.index--
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const canvasJson = patch(this.canvasData, delta)
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canvas.loadFromJSON(canvasJson, () => {
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commUtils.handleCanvasJSONLoaded(canvas)
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canvas.requestRenderAll()
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useFileStore.updateBoardData(canvasJson)
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this.canvasData = cloneDeep(canvasJson ?? {})
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FabricVue.triggerHook()
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if ((delta)?.backgroundImage) {
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handleBackgroundImageWhenCanvasSizeChange()
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}
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})
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}
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}
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// 退回|重做
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redo() {
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const canvas = FabricVue?.canvas
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if (this.index < this.diffs.length && canvas) {
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const useFileStore = fabricStore.useFileStore()
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const delta = this.diffs[this.index]
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this.index++
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const canvasJson = unpatch(this.canvasData, delta)
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canvas.loadFromJSON(canvasJson, () => {
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handleCanvasJSONLoaded(canvas)
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canvas.requestRenderAll()
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useFileStore.updateBoardData(canvasJson)
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this.canvasData = cloneDeep(canvasJson ?? {})
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FabricVue.triggerHook()
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if ((delta)?.backgroundImage) {
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bgUtils.handleBackgroundImageWhenCanvasSizeChange()
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}
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})
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}
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}
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clean() {
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const useFileStore = fabricStore.useFileStore()
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const useBoardStore = fabricStore.useBoardStore()
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FabricVue?.canvas?.clear()
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this.index = 0
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this.diffs = []
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this.canvasData = {}
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useFileStore.updateBoardData(initState)
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useBoardStore.updateBackgroundColor('#ffffff')
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useBoardStore.cleanBackgroundImage()
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}
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initHistory() {
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const canvas = FabricVue.canvas
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if (canvas) {
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const canvasJson = commUtils.getCanvasJSON()
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this.canvasData = canvasJson
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this.index = 0
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this.diffs = []
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}
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}
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}
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// 对象克隆
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function cloneDeep(obj = {}) {
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return JSON.parse(JSON.stringify(obj))
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}
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@ -4,19 +4,21 @@
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import { fabric } from 'fabric'
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import * as TYPES from '@/constants/draw'
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import * as fabricUtils from '@/plugins/fabric/utils/draw'
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import * as commUtils from '@/plugins/fabric/utils'
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import * as bgUtils from '@/plugins/fabric/utils/bg'
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import * as fabricStore from '@/store/modules/draw'
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import { History } from '@/plugins/fabric/history'
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import { CanvasEvent } from '@/plugins/fabric/event'
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// 节点node
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import { renderPencilBrush } from '@/plugins/fabric/nodes/draw'
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const useDrawStore = fabricStore.useDrawStore()
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const useBoardStore = fabricStore.useBoardStore()
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export class FabricVue {
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static canvas = null // fabric-canvas 对象
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static evnet = null // 事件对象
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static history = null // 历史记录
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static textElement // 文本节点
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static hookFn = [] // 钩子
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export class fabricVue {
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canvas = null // fabric-canvas 对象
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evnet = null // 事件对象
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history = null // 历史记录
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textElement // 文本节点
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hookFn = [] // 钩子
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/** 构造函数 */
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constructor() {
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// this.textElement = new TextElement() // 创建文本节点
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@ -26,7 +28,8 @@ export class FabricVue {
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* @param {*} canvasEl canvas元素
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* @returns boolean 是否初始化成功
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*/
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static initCanvas(canvasEl, option = {}) {
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initCanvas(canvasEl, option = {}) {
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// const useBoardStore = fabricStore.useBoardStore()
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return new Promise(async (resolve) => {
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this.canvas = new fabric.Canvas(canvasEl, {
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selectionColor: 'rgba(101, 204, 138, 0.3)',
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@ -51,7 +54,7 @@ export class FabricVue {
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// // 创建辅助线
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// alignGuideLine.init(this.canvas, useBoardStore.openGuideLine)
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// this.evnet = new CanvasEvent() // 创建相关事件
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this.evnet = new CanvasEvent() // 创建相关事件
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this.handleMode()
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await this.initCanvasStorage()
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@ -62,7 +65,7 @@ export class FabricVue {
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/**
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* 销毁canvas
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*/
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static removeCanvas() {
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removeCanvas() {
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if (this.canvas) {
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this?.canvas?.dispose()
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this.evnet?.removeEvent()
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@ -73,21 +76,66 @@ export class FabricVue {
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* Initialize the canvas cache
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* @description 这里可以做一下初始加载json数据的操作
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*/
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static initCanvasStorage() {
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initCanvasStorage() {
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const useBoardStore = fabricStore.useBoardStore()
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const useFileStore = fabricStore.useFileStore()
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return new Promise((resolve) => {
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setTimeout(() => {
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// TODO: 获取缓存数据
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})
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const file = useFileStore.currentFile
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if (file && this.canvas) {
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this.canvas.clear()
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this.canvas.loadFromJSON(file.boardData, () => {
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if (this.canvas) {
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if (file.viewportTransform) {
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this.canvas.setViewportTransform(file.viewportTransform)
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}
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if (file?.zoom && this.canvas.width && this.canvas.height) {
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this.canvas.zoomToPoint(
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new fabric.Point(
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this.canvas.width / 2,
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this.canvas.height / 2
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),
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file.zoom
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)
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}
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this.canvas.setWidth(window.innerWidth * (file?.canvasWidth || 1))
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useBoardStore.updateCanvasWidth(file?.canvasWidth || 1)
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this.canvas.setHeight(window.innerHeight * (file?.canvasHeight || 1))
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useBoardStore.initBackground()
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||||
|
||||
const height = file?.canvasHeight || 1
|
||||
useBoardStore.canvasHeight = height
|
||||
this.updateCanvasHeight(height)
|
||||
|
||||
commUtils.handleCanvasJSONLoaded(this.canvas)
|
||||
|
||||
fabric.Object.prototype.set({
|
||||
objectCaching: useBoardStore.isObjectCaching
|
||||
})
|
||||
this.canvas.renderAll()
|
||||
this.triggerHook()
|
||||
this.history = new History()
|
||||
}
|
||||
resolve(true)
|
||||
})
|
||||
} else {
|
||||
resolve(true)
|
||||
}
|
||||
}, 300)
|
||||
})
|
||||
}
|
||||
/**
|
||||
* handle mode of operation
|
||||
* @param mode current mode
|
||||
*/
|
||||
static handleMode(mode = useBoardStore.mode) {
|
||||
handleMode(mode) {
|
||||
if (!this.canvas) {
|
||||
return
|
||||
}
|
||||
const useDrawStore = fabricStore.useDrawStore()
|
||||
const useBoardStore = fabricStore.useBoardStore()
|
||||
mode = mode || useBoardStore.mode
|
||||
let isDrawingMode = false
|
||||
let selection = false
|
||||
const objectSet = {
|
||||
|
|
@ -144,10 +192,11 @@ export class FabricVue {
|
|||
/**
|
||||
* handle draw style
|
||||
*/
|
||||
static handleDrawStyle() {
|
||||
handleDrawStyle() {
|
||||
if (!this.canvas) {
|
||||
return
|
||||
}
|
||||
const useDrawStore = fabricStore.useDrawStore()
|
||||
const drawStyle = useDrawStore.drawStyle
|
||||
switch (drawStyle) {
|
||||
case TYPES.DrawStyle.Basic:
|
||||
|
|
@ -165,4 +214,183 @@ export class FabricVue {
|
|||
break
|
||||
}
|
||||
}
|
||||
/**
|
||||
* delete active objects
|
||||
*/
|
||||
deleteObject() {
|
||||
// Disable deletion in text input state
|
||||
if (this.textElement.isTextEditing) {
|
||||
return
|
||||
}
|
||||
if (this.canvas) {
|
||||
const activeObjects = this.canvas.getActiveObjects()
|
||||
if (activeObjects?.length) {
|
||||
this.canvas.discardActiveObject()
|
||||
activeObjects?.forEach((obj) => {
|
||||
this.canvas?.remove(obj)
|
||||
})
|
||||
this.render()
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* render and save history state
|
||||
*/
|
||||
render() {
|
||||
if (this.canvas) {
|
||||
this.canvas?.requestRenderAll()
|
||||
this.history?.saveState()
|
||||
}
|
||||
}
|
||||
/**
|
||||
* save as Image
|
||||
*/
|
||||
saveImage() {
|
||||
if (this.canvas) {
|
||||
const link = document.createElement('a')
|
||||
link.href = this.canvas.toDataURL()
|
||||
link.download = 'paint-board.png'
|
||||
link.click()
|
||||
}
|
||||
}
|
||||
/**
|
||||
* copy active objects
|
||||
*/
|
||||
copyObject() {
|
||||
const canvas = this.canvas
|
||||
if (!canvas) {
|
||||
return
|
||||
}
|
||||
const targets = canvas.getActiveObjects()
|
||||
if (targets.length <= 0) {
|
||||
return
|
||||
}
|
||||
canvas.discardActiveObject()
|
||||
const copys = targets.map((target) => {
|
||||
return new Promise<fabric.Object>((resolve) => {
|
||||
target?.clone((cloned) => {
|
||||
const id = uuidv4()
|
||||
cloned.set({
|
||||
left: (cloned?.left || 0) + 10,
|
||||
top: (cloned?.top || 0) + 10,
|
||||
evented: true,
|
||||
id,
|
||||
perPixelTargetFind: true
|
||||
})
|
||||
resolve(cloned)
|
||||
canvas.add(cloned)
|
||||
})
|
||||
})
|
||||
})
|
||||
Promise.all(copys).then((objs) => {
|
||||
const activeSelection = new fabric.ActiveSelection(objs, {
|
||||
canvas: canvas
|
||||
})
|
||||
canvas.setActiveObject(activeSelection)
|
||||
this.render()
|
||||
})
|
||||
}
|
||||
/**
|
||||
* Moving active objects via fabric's bringForward method
|
||||
* 通过fabric的bringForward方法移动活动对象
|
||||
*/
|
||||
bringForWard() {
|
||||
const canvas = this.canvas
|
||||
if (canvas) {
|
||||
const object = canvas.getActiveObject()
|
||||
if (object) {
|
||||
canvas.bringForward(object, true)
|
||||
this.render()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Moving active objects via fabric's sendBackwards method
|
||||
* 通过fabric的sendBackwards方法移动活动对象
|
||||
*/
|
||||
seendBackWard() {
|
||||
const canvas = this.canvas
|
||||
if (canvas) {
|
||||
const object = canvas.getActiveObject()
|
||||
if (object) {
|
||||
canvas.sendBackwards(object, true)
|
||||
this.render()
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Moving active objects via fabric's bringToFront method
|
||||
* 通过fabric的bringToFront方法移动活动对象
|
||||
*/
|
||||
bringToFront() {
|
||||
const canvas = this.canvas
|
||||
if (canvas) {
|
||||
const object = canvas.getActiveObject()
|
||||
if (object) {
|
||||
canvas.bringToFront(object)
|
||||
this.render()
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Moving active objects via fabric's sendToBack method
|
||||
* 通过fabric的sendToBack方法移动活动对象
|
||||
*/
|
||||
sendToBack() {
|
||||
const canvas = this.canvas
|
||||
if (canvas) {
|
||||
const object = canvas.getActiveObject()
|
||||
if (object) {
|
||||
canvas.sendToBack(object)
|
||||
this.render()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Add hook fn to trigger on update|在更新时添加钩钩fn以触发
|
||||
* @param fn hook fn () => void
|
||||
*/
|
||||
addHookFn(fn) {
|
||||
this.hookFn.push(fn)
|
||||
}
|
||||
|
||||
/**
|
||||
* remove trigger hook fn | 移除触发钩fn
|
||||
* @param fn hook fn () => void
|
||||
*/
|
||||
removeHookFn(fn) {
|
||||
const hookIndex = this.hookFn.findIndex((v) => v === fn)
|
||||
if (hookIndex > -1) {
|
||||
this.hookFn.splice(hookIndex, 1)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* trigger hook fn
|
||||
*/
|
||||
triggerHook() {
|
||||
this.hookFn.map((fn) => {
|
||||
fn?.()
|
||||
})
|
||||
}
|
||||
|
||||
updateCanvasWidth(width) {
|
||||
if (this.canvas) {
|
||||
this.canvas.setWidth(window.innerWidth * width)
|
||||
bgUtils.handleBackgroundImageWhenCanvasSizeChange()
|
||||
// useFileStore.getState().updateCanvasWidth(width)
|
||||
}
|
||||
}
|
||||
updateCanvasHeight(height) {
|
||||
if (this.canvas) {
|
||||
const useFileStore = fabricStore.useFileStore()
|
||||
this.canvas.setHeight(window.innerHeight * height)
|
||||
useFileStore.updateBoardField('canvasHeight', height)
|
||||
bgUtils.handleBackgroundImageWhenCanvasSizeChange()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export const FabricVue = new fabricVue()
|
||||
|
|
@ -5,7 +5,6 @@
|
|||
import { FabricVue } from '@/plugins/fabric'
|
||||
import * as TYPES from '@/constants/draw'
|
||||
import * as fabricStore from '@/store/modules/draw'
|
||||
const useDrawStore = fabricStore.useDrawStore()
|
||||
|
||||
export class Material {
|
||||
initPromise = null // Initialize promise
|
||||
|
|
@ -20,6 +19,7 @@ export class Material {
|
|||
}
|
||||
|
||||
async initMaterial() {
|
||||
|
||||
this.initPromise = Promise.all([
|
||||
this.loadImage(TYPES.MATERIAL_TYPE.CRAYON),
|
||||
this.loadImage(TYPES.MATERIAL_TYPE.CARBON),
|
||||
|
|
@ -29,10 +29,10 @@ export class Material {
|
|||
])
|
||||
}
|
||||
|
||||
render({
|
||||
materialType = useDrawStore.materialType,
|
||||
color = useDrawStore.drawColors[0]
|
||||
}) {
|
||||
render({materialType, color}) {
|
||||
const useDrawStore = fabricStore.useDrawStore()
|
||||
materialType = materialType || useDrawStore.materialType
|
||||
color = color || useDrawStore.drawColors[0]
|
||||
this.initPromise?.then(() => {
|
||||
switch (materialType) {
|
||||
case TYPES.MATERIAL_TYPE.CRAYON:
|
||||
|
|
@ -58,6 +58,7 @@ export class Material {
|
|||
|
||||
renderMaterial(materialImg, color, opacity = 1) {
|
||||
if (FabricVue.canvas) {
|
||||
const useDrawStore = fabricStore.useDrawStore()
|
||||
const patternBrush = new fabric.PatternBrush(FabricVue.canvas)
|
||||
const patternCanvas = document.createElement('canvas')
|
||||
patternCanvas.width = patternCanvas.height = 100
|
||||
|
|
|
|||
|
|
@ -0,0 +1,98 @@
|
|||
/**
|
||||
* 多个材质画刷
|
||||
* @param {*} params
|
||||
* @returns
|
||||
*/
|
||||
import { FabricVue } from '@/plugins/fabric'
|
||||
import * as TYPES from '@/constants/draw'
|
||||
import * as fabricUtils from '@/plugins/fabric/utils/draw'
|
||||
import * as fabricStore from '@/store/modules/draw'
|
||||
|
||||
const COLOR_WIDTH = 5
|
||||
|
||||
export const renderMultiColor = (params={}) => {
|
||||
const canvas = FabricVue.canvas
|
||||
if (!canvas) {
|
||||
return
|
||||
}
|
||||
const useDrawStore = fabricStore.useDrawStore()
|
||||
const colors = params?.colors ?? useDrawStore.drawColors
|
||||
const type = params?.type ?? useDrawStore.multiColorType
|
||||
|
||||
const patternBrush = new fabric.PatternBrush(canvas)
|
||||
const patternCanvas = document.createElement('canvas')
|
||||
const context = patternCanvas.getContext('2d')
|
||||
if (context) {
|
||||
switch (type) {
|
||||
case TYPES.MultiColorType.COL:
|
||||
renderCol(patternCanvas, context, colors)
|
||||
break
|
||||
case TYPES.MultiColorType.ROW:
|
||||
renderRow(patternCanvas, context, colors)
|
||||
break
|
||||
case TYPES.MultiColorType.CIRCLE:
|
||||
renderCircle(patternCanvas, context, colors)
|
||||
break
|
||||
default:
|
||||
break
|
||||
}
|
||||
|
||||
patternBrush.getPatternSrc = () => {
|
||||
return patternCanvas
|
||||
}
|
||||
patternBrush.getPatternSrcFunction = () => {
|
||||
return patternCanvas
|
||||
}
|
||||
|
||||
canvas.isDrawingMode = true
|
||||
canvas.freeDrawingBrush = patternBrush
|
||||
canvas.freeDrawingBrush.width = fabricUtils.getDrawWidth()
|
||||
canvas.freeDrawingBrush.shadow = new fabric.Shadow({
|
||||
blur: fabricUtils.getShadowWidth(),
|
||||
offsetX: 0,
|
||||
offsetY: 0,
|
||||
color: useDrawStore.shadowColor
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
function renderCol(canvas, context, colors=[]) {
|
||||
canvas.width = COLOR_WIDTH * colors.length
|
||||
canvas.height = 20
|
||||
colors.forEach((color, i) => {
|
||||
context.fillStyle = color
|
||||
context.fillRect(COLOR_WIDTH * i, 0, COLOR_WIDTH, 20)
|
||||
})
|
||||
}
|
||||
|
||||
function renderRow(canvas, context, colors=[]) {
|
||||
canvas.width = 20
|
||||
canvas.height = COLOR_WIDTH * colors.length
|
||||
colors.forEach((color, i) => {
|
||||
context.fillStyle = color
|
||||
context.fillRect(0, COLOR_WIDTH * i, 20, COLOR_WIDTH)
|
||||
})
|
||||
}
|
||||
|
||||
function renderCircle(canvas, context, colors=[]) {
|
||||
const radius = 10
|
||||
const padding = 5
|
||||
const n = colors.length
|
||||
|
||||
const canvasWidth = 2 * padding + n * radius * 2 + (n - 1) * padding
|
||||
canvas.width = canvasWidth
|
||||
canvas.height = radius * 2 + 2 * padding
|
||||
|
||||
let x = padding + radius
|
||||
const y = padding + radius
|
||||
|
||||
// render multi circle
|
||||
for (let i = 0; i < n; i++) {
|
||||
context.beginPath()
|
||||
context.fillStyle = colors[i]
|
||||
context.arc(x, y, radius, 0, Math.PI * 2)
|
||||
context.closePath()
|
||||
context.fill()
|
||||
x += 2 * radius + padding
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
|
||||
/**
|
||||
* 工具：背景相关的颜色、背景图片
|
||||
*/
|
||||
import { fabric } from 'fabric'
|
||||
import { FabricVue } from '@/plugins/fabric'
|
||||
import * as fabricStore from '@/store/modules/draw'
|
||||
|
||||
|
||||
/**
|
||||
* 事件: 缩放变化-更新背景图片
|
||||
*/
|
||||
export const handleBackgroundImageWhenCanvasSizeChange = (isRender = true) => {
|
||||
const backgroundImage = FabricVue?.canvas?.backgroundImage
|
||||
if (backgroundImage) {
|
||||
setBackgroundImage(backgroundImage)
|
||||
if (isRender) {
|
||||
FabricVue.canvas?.requestRenderAll()
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* 更新 fabric 加载画布背景图片
|
||||
* @param {*} data string
|
||||
* @returns
|
||||
*/
|
||||
export const updateCanvasBackgroundImage = (data) => {
|
||||
const canvas = FabricVue.canvas
|
||||
if (!canvas) {
|
||||
return
|
||||
}
|
||||
fabric.Image.fromURL(
|
||||
data,
|
||||
(image) => {
|
||||
setBackgroundImage(image)
|
||||
|
||||
canvas.setBackgroundImage(image, () => {
|
||||
FabricVue.render()
|
||||
})
|
||||
},
|
||||
{crossOrigin: 'anonymous'}
|
||||
)
|
||||
}
|
||||
/**
|
||||
* 设置-更新背景图片
|
||||
* @param {*} image fabric.Image
|
||||
* @returns
|
||||
*/
|
||||
export const setBackgroundImage = (image) => {
|
||||
const canvas = FabricVue?.canvas
|
||||
if (!canvas) {
|
||||
return
|
||||
}
|
||||
const useBoardStore = fabricStore.useBoardStore()
|
||||
const canvasWidth = canvas.getWidth()
|
||||
const canvasHeight = canvas.getHeight()
|
||||
|
||||
const imgWidth = image.width
|
||||
const imgHeight = image.height
|
||||
|
||||
const scaleWidth = canvasWidth / imgWidth
|
||||
const scaleHeight = canvasHeight / imgHeight
|
||||
|
||||
const scale = Math.min(scaleWidth, scaleHeight)
|
||||
image.scale(scale)
|
||||
|
||||
const imgLeft = canvasWidth / 2 - (imgWidth * scale) / 2
|
||||
const imgTop = canvasHeight / 2 - (imgHeight * scale) / 2
|
||||
|
||||
image.set({
|
||||
left: imgLeft,
|
||||
top: imgTop,
|
||||
originX: 'left',
|
||||
originY: 'top',
|
||||
opacity: useBoardStore.backgroundImageOpacity
|
||||
})
|
||||
}
|
||||
|
|
@ -0,0 +1,82 @@
|
|||
/**
|
||||
* hexToRgba
|
||||
* @param hex hexadecimal color
|
||||
* @param alpha
|
||||
* @returns rgba
|
||||
*/
|
||||
export function hexToRgba(hex, alpha = 1) {
|
||||
const bigint = parseInt(hex.slice(1), 16)
|
||||
const r = (bigint >> 16) & 255
|
||||
const g = (bigint >> 8) & 255
|
||||
const b = bigint & 255
|
||||
return `rgba(${r}, ${g}, ${b}, ${alpha})`
|
||||
}
|
||||
|
||||
export function rgbaToHex(rgba) {
|
||||
if (!rgba) {
|
||||
return rgba
|
||||
}
|
||||
|
||||
const values = rgba.match(/\d+/g)
|
||||
const hex = `#${(
|
||||
(1 << 24) +
|
||||
(parseInt(values[0]) << 16) +
|
||||
(parseInt(values[1]) << 8) +
|
||||
parseInt(values[2])
|
||||
)
|
||||
.toString(16)
|
||||
.slice(1)}`
|
||||
return hex
|
||||
}
|
||||
|
||||
/**
|
||||
* get rgba alpha
|
||||
* @param rgbaString rgba color
|
||||
* @returns
|
||||
*/
|
||||
export function getAlphaFromRgba(rgbaString) {
|
||||
const match = rgbaString.match(/rgba?\((\d+),\s*(\d+),\s*(\d+),\s*([\d.]+)\)/)
|
||||
|
||||
if (match) {
|
||||
return parseFloat(match[4])
|
||||
} else {
|
||||
return 1
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the rgba of the new alpha
|
||||
* @param rgbaColor
|
||||
* @param newAlpha
|
||||
* @returns newRgbaColor
|
||||
*/
|
||||
export function changeAlpha(rgbaColor, newAlpha) {
|
||||
const match = rgbaColor.match(/rgba?\((.*?)\)/)
|
||||
if (!match) {
|
||||
return rgbaColor
|
||||
}
|
||||
|
||||
const rgbPart = match[1].split(',').map((i) => i.trim())
|
||||
newAlpha = Math.min(1, Math.max(0, newAlpha))
|
||||
|
||||
const newRgbaColor = `rgba(${rgbPart[0]}, ${rgbPart[1]}, ${rgbPart[2]}, ${newAlpha})`
|
||||
return newRgbaColor
|
||||
}
|
||||
|
||||
export function isHexColor(color) {
|
||||
return /^#([0-9A-Fa-f]{3}){1,2}$/.test(color)
|
||||
}
|
||||
|
||||
export function isRgbaColor(color) {
|
||||
return /^rgba?\((\d+,\s*){2}\d+,\s*(0(\.\d+)?|1(\.0)?)\)$/.test(color)
|
||||
}
|
||||
|
||||
export function getColorFormat(color) {
|
||||
if (isHexColor(color)) {
|
||||
return 'hex'
|
||||
} else if (isRgbaColor(color)) {
|
||||
return 'rgba'
|
||||
} else {
|
||||
return 'unknown'
|
||||
}
|
||||
}
|
||||
|
|
@ -1,3 +1,11 @@
|
|||
/**
|
||||
* 工具类
|
||||
*/
|
||||
import { FabricVue } from '@/plugins/fabric'
|
||||
import * as TYPES from '@/constants/draw'
|
||||
import * as lineUtils from '@/plugins/fabric/utils/shape/line'
|
||||
import * as arrowLineUtils from '@/plugins/fabric/utils/shape/arrowLine'
|
||||
|
||||
/**
|
||||
* compare version
|
||||
* @param v1
|
||||
|
|
@ -77,3 +85,81 @@ export const isMobile = () => {
|
|||
navigator.userAgent
|
||||
)
|
||||
}
|
||||
// 生成UUID
|
||||
export const getUUID = () => {
|
||||
const timestamp = Date.now();
|
||||
// 时间戳部分
|
||||
const timestampPart = timestamp.toString(16).padStart(12, '0');
|
||||
|
||||
// 生成随机数
|
||||
const rnd = crypto.getRandomValues(new Uint8Array(4));
|
||||
const randomPart = rnd.map(byte => byte.toString(16).padStart(2, '0')).join('');
|
||||
|
||||
// 应用变体和版本标识符
|
||||
const version = (timestamp >= 0x0100000000000000) ? (timestamp & 0x00000000FFFF0000) : 0x4000;
|
||||
const variant = (rnd[0] & 0x0F) | 0x80;
|
||||
|
||||
// 合并所有部分并返回
|
||||
return `${timestampPart}-${randomPart}-${version.toString(16).padStart(4, '0')}-${variant.toString(16).padStart(4, '0')}-${rnd[3].toString(16).padStart(4, '0')}`;
|
||||
}
|
||||
|
||||
/** loadCanvas */
|
||||
export const getCanvasJSON = () => {
|
||||
const canvas = FabricVue?.canvas
|
||||
if (canvas) {
|
||||
return (
|
||||
// 返回额外属性
|
||||
canvas.toDatalessJSON([
|
||||
'id',
|
||||
'_customType',
|
||||
'perPixelTargetFind',
|
||||
'objectCaching'
|
||||
]) ?? {}
|
||||
)
|
||||
}
|
||||
return {}
|
||||
}
|
||||
|
||||
/**
|
||||
* Handling canvas json loaded data
|
||||
* Used to initialize undo redo
|
||||
* @param canvas fabric.Canvas
|
||||
*/
|
||||
export const handleCanvasJSONLoaded = (canvas) => {
|
||||
canvas.getObjects().forEach((obj) => {
|
||||
if (obj._customType === TYPES.ELEMENT_CUSTOM_TYPE.SHAPE_LINE) {
|
||||
const points = obj.points
|
||||
const lastControl = points.length - 1
|
||||
obj.controls = points.reduce(function (acc, point, index) {
|
||||
acc['p' + index] = new fabric.Control({
|
||||
positionHandler: lineUtils.polygonPositionHandler,
|
||||
actionHandler: lineUtils.anchorWrapper(
|
||||
index > 0 ? index - 1 : lastControl,
|
||||
lineUtils.actionHandler
|
||||
),
|
||||
actionName: 'polylineEndPoint',
|
||||
pointIndex: index
|
||||
})
|
||||
return acc
|
||||
}, {})
|
||||
}
|
||||
|
||||
if (obj._customType === TYPES.ELEMENT_CUSTOM_TYPE.SHAPE_ARROW_LINE) {
|
||||
const paths = (obj).path
|
||||
obj.controls = paths
|
||||
.slice(0, paths.length - 4)
|
||||
.reduce(function (acc, point, index) {
|
||||
acc['p' + index] = new fabric.Control({
|
||||
positionHandler: arrowLineUtils.pathPositionHandler,
|
||||
actionHandler: arrowLineUtils.anchorWrapper(
|
||||
index > 0 ? index - 1 : paths.length - 5,
|
||||
arrowLineUtils.actionHandler
|
||||
),
|
||||
actionName: 'pathEndPoint',
|
||||
pointIndex: index
|
||||
})
|
||||
return acc
|
||||
}, {})
|
||||
}
|
||||
})
|
||||
}
|
||||
|
|
@ -0,0 +1,164 @@
|
|||
import { fabric } from 'fabric'
|
||||
|
||||
export function calculateArrowSlidePath(
|
||||
paths,
|
||||
startX,
|
||||
startY,
|
||||
endX,
|
||||
endY
|
||||
) {
|
||||
const angleRad = Math.atan2(endY - startY, endX - startX)
|
||||
const arrowWidthHalf = 10
|
||||
|
||||
const arrowLeftX = endX - arrowWidthHalf * Math.cos(angleRad - Math.PI / 6)
|
||||
const arrowLeftY = endY - arrowWidthHalf * Math.sin(angleRad - Math.PI / 6)
|
||||
const arrowRightX = endX - arrowWidthHalf * Math.cos(angleRad + Math.PI / 6)
|
||||
const arrowRightY = endY - arrowWidthHalf * Math.sin(angleRad + Math.PI / 6)
|
||||
|
||||
paths[paths.length - 4][1] = endX
|
||||
paths[paths.length - 4][2] = endY
|
||||
paths[paths.length - 3][1] = arrowLeftX
|
||||
paths[paths.length - 3][2] = arrowLeftY
|
||||
paths[paths.length - 2][1] = endX
|
||||
paths[paths.length - 2][2] = endY
|
||||
paths[paths.length - 1][1] = arrowRightX
|
||||
paths[paths.length - 1][2] = arrowRightY
|
||||
|
||||
return paths
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param {*} object fabric.Path
|
||||
* @returns
|
||||
*/
|
||||
export function getObjectSizeWithStroke(object) {
|
||||
const stroke = new fabric.Point(
|
||||
object.strokeUniform ? 1 / (object.scaleX) : 1,
|
||||
object.strokeUniform ? 1 / (object.scaleY) : 1
|
||||
).multiply(object.strokeWidth)
|
||||
return new fabric.Point(
|
||||
(object.width) + stroke.x,
|
||||
(object.height) + stroke.y
|
||||
)
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param {*} this fabric.Control
|
||||
* @param {*} dim
|
||||
* @param {*} finalMatrix
|
||||
* @param {*} fabricObject fabric.Path
|
||||
* @returns fabric.Control['positionHandler']
|
||||
*/
|
||||
export const pathPositionHandler = function (
|
||||
fabricControl,
|
||||
dim,
|
||||
finalMatrix,
|
||||
fabricObject
|
||||
) {
|
||||
const paths = fabricObject.path
|
||||
const x = paths[fabricControl.pointIndex][1] - fabricObject.pathOffset.x
|
||||
const y = paths[fabricControl.pointIndex][2] - fabricObject.pathOffset.y
|
||||
return fabric.util.transformPoint(
|
||||
{ x, y },
|
||||
fabric.util.multiplyTransformMatrices(
|
||||
fabricObject.canvas?.viewportTransform,
|
||||
fabricObject.calcTransformMatrix()
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param {*} eventData
|
||||
* @param {*} transform
|
||||
* @param {*} x
|
||||
* @param {*} y
|
||||
* @returns fabric.Control['actionHandler']
|
||||
*/
|
||||
export const actionHandler = function (
|
||||
eventData,
|
||||
transform,
|
||||
x,
|
||||
y
|
||||
) {
|
||||
const pathObj = transform.target,
|
||||
currentControl = pathObj.controls[pathObj.__corner],
|
||||
mouseLocalPosition = pathObj.toLocalPoint(
|
||||
new fabric.Point(x, y),
|
||||
'center',
|
||||
'center'
|
||||
),
|
||||
pathBaseSize = getObjectSizeWithStroke(pathObj),
|
||||
size = pathObj._getTransformedDimensions(0, 0),
|
||||
finalPointPosition = {
|
||||
x:
|
||||
(mouseLocalPosition.x * pathBaseSize.x) / size.x + pathObj.pathOffset.x,
|
||||
y: (mouseLocalPosition.y * pathBaseSize.y) / size.y + pathObj.pathOffset.y
|
||||
}
|
||||
|
||||
const path = pathObj.path
|
||||
path[currentControl.pointIndex][1] = finalPointPosition.x
|
||||
path[currentControl.pointIndex][2] = finalPointPosition.y
|
||||
|
||||
if (
|
||||
currentControl.pointIndex === path?.length - 5 ||
|
||||
currentControl.pointIndex === path?.length - 6
|
||||
) {
|
||||
const point1 = path[path.length - 6]
|
||||
const point2 = path[path.length - 5]
|
||||
const newPath = calculateArrowSlidePath(
|
||||
path,
|
||||
point1[1],
|
||||
point1[2],
|
||||
point2[1],
|
||||
point2[2]
|
||||
)
|
||||
pathObj._setPath(newPath)
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param {*} anchorIndex
|
||||
* @param {*} fn fabric.Control['actionHandler']
|
||||
* @returns MouseEvent fabric.Transform
|
||||
*/
|
||||
export function anchorWrapper(
|
||||
anchorIndex,
|
||||
fn
|
||||
) {
|
||||
return function (
|
||||
eventData,
|
||||
transform,
|
||||
x,
|
||||
y
|
||||
) {
|
||||
const fabricObject = transform.target
|
||||
const paths = fabricObject.path
|
||||
const absolutePoint = fabric.util.transformPoint(
|
||||
{
|
||||
x: paths[anchorIndex][1] - fabricObject.pathOffset.x,
|
||||
y: paths[anchorIndex][2] - fabricObject.pathOffset.y
|
||||
},
|
||||
fabricObject.calcTransformMatrix()
|
||||
)
|
||||
const actionPerformed = fn(eventData, transform, x, y)
|
||||
fabricObject._setPath(fabricObject.path)
|
||||
const pathBaseSize = getObjectSizeWithStroke(fabricObject)
|
||||
|
||||
const newX =
|
||||
(paths[anchorIndex][1] - fabricObject.pathOffset.x) / pathBaseSize.x
|
||||
const newY =
|
||||
(paths[anchorIndex][2] - fabricObject.pathOffset.y) / pathBaseSize.y
|
||||
fabricObject.setPositionByOrigin(
|
||||
absolutePoint,
|
||||
(newX + 0.5),
|
||||
(newY + 0.5)
|
||||
)
|
||||
return actionPerformed
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,109 @@
|
|||
/**
|
||||
* 线
|
||||
*/
|
||||
import { fabric } from 'fabric'
|
||||
|
||||
/**
|
||||
*
|
||||
* @param {*} object fabric.Polyline
|
||||
* @returns
|
||||
*/
|
||||
export function getObjectSizeWithStroke(object) {
|
||||
const stroke = new fabric.Point(
|
||||
object.strokeUniform ? 1 / (object.scaleX) : 1,
|
||||
object.strokeUniform ? 1 / (object.scaleY) : 1
|
||||
).multiply(object.strokeWidth)
|
||||
return new fabric.Point(
|
||||
(object.width) + stroke.x,
|
||||
(object.height) + stroke.y
|
||||
)
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param {*} this fabric.Control
|
||||
* @param {*} dim
|
||||
* @param {*} finalMatrix
|
||||
* @param {*} fabricObject fabric.Polyline
|
||||
* @returns
|
||||
*/
|
||||
export const polygonPositionHandler = function (
|
||||
fabricControl, dim, finalMatrix,fabricObject) {
|
||||
const points = fabricObject.points
|
||||
const x = points[fabricControl.pointIndex].x - fabricObject.pathOffset.x
|
||||
const y = points[fabricControl.pointIndex].y - fabricObject.pathOffset.y
|
||||
return fabric.util.transformPoint(
|
||||
{ x, y },
|
||||
fabric.util.multiplyTransformMatrices(
|
||||
fabricObject.canvas?.viewportTransform,
|
||||
fabricObject.calcTransformMatrix()
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param {*} eventData
|
||||
* @param {*} transform
|
||||
* @param {*} x
|
||||
* @param {*} y
|
||||
* @returns fabric.Control['actionHandler']
|
||||
*/
|
||||
export const actionHandler = function (
|
||||
eventData, transform,x, y) {
|
||||
const polygon = transform.target,
|
||||
currentControl = polygon.controls[polygon.__corner],
|
||||
mouseLocalPosition = polygon.toLocalPoint(
|
||||
new fabric.Point(x, y),
|
||||
'center',
|
||||
'center'
|
||||
),
|
||||
polygonBaseSize = getObjectSizeWithStroke(polygon),
|
||||
size = polygon._getTransformedDimensions(0, 0),
|
||||
finalPointPosition = {
|
||||
x:
|
||||
(mouseLocalPosition.x * polygonBaseSize.x) / size.x +
|
||||
polygon.pathOffset.x,
|
||||
y:
|
||||
(mouseLocalPosition.y * polygonBaseSize.y) / size.y +
|
||||
polygon.pathOffset.y
|
||||
}
|
||||
|
||||
const points = polygon.points
|
||||
points[currentControl.pointIndex] = finalPointPosition
|
||||
|
||||
return true
|
||||
}
|
||||
/**
|
||||
*
|
||||
* @param {*} anchorIndex number
|
||||
* @param {*} fn fabric.Control['actionHandler']
|
||||
* @returns function (eventData, transform, x, y ) | MouseEvent fabric.Transform number number
|
||||
*/
|
||||
export function anchorWrapper(anchorIndex, fn) {
|
||||
return function (eventData, transform, x, y ) {
|
||||
const fabricObject = transform.target
|
||||
const points = fabricObject.points
|
||||
const absolutePoint = fabric.util.transformPoint(
|
||||
{
|
||||
x: points[anchorIndex].x - fabricObject.pathOffset.x,
|
||||
y: points[anchorIndex].y - fabricObject.pathOffset.y
|
||||
},
|
||||
fabricObject.calcTransformMatrix()
|
||||
)
|
||||
const actionPerformed = fn(eventData, transform, x, y)
|
||||
fabricObject._setPositionDimensions({})
|
||||
const polygonBaseSize = getObjectSizeWithStroke(fabricObject)
|
||||
|
||||
const newX =
|
||||
(points[anchorIndex].x - fabricObject.pathOffset.x) / polygonBaseSize.x
|
||||
const newY =
|
||||
(points[anchorIndex].y - fabricObject.pathOffset.y) / polygonBaseSize.y
|
||||
fabricObject.setPositionByOrigin(
|
||||
absolutePoint,
|
||||
(newX + 0.5),
|
||||
(newY + 0.5)
|
||||
)
|
||||
return actionPerformed
|
||||
}
|
||||
}
|
||||
|
|
@ -6,6 +6,73 @@ import { defineStore } from "pinia";
|
|||
import * as TYPES from "@/constants/draw";
|
||||
import { FabricVue } from "@/plugins/fabric";
|
||||
import * as fabricUtils from '@/plugins/fabric/utils/draw'
|
||||
import * as colorUtils from '@/plugins/fabric/utils/color'
|
||||
import * as bgUtils from '@/plugins/fabric/utils/bg'
|
||||
import * as commUtils from '@/plugins/fabric/utils'
|
||||
import { material } from '@/plugins/fabric/nodes/draw/material'
|
||||
import { renderMultiColor } from '@/plugins/fabric/nodes/draw/multiColor'
|
||||
|
||||
// 画板模块-缓存 json相关
|
||||
export const BOARD_VERSION = '1.0.0'
|
||||
|
||||
const getFileObj = (data) => ({
|
||||
id: commUtils.getUUID(),
|
||||
title: 'paint-board',
|
||||
boardVersion: BOARD_VERSION,
|
||||
boardData: {},
|
||||
zoom: 1,
|
||||
canvasWidth: 1,
|
||||
canvasHeight: 1
|
||||
, ...data
|
||||
})
|
||||
const initFileObj = getFileObj()
|
||||
export const useFileStore = defineStore(
|
||||
'file',
|
||||
{
|
||||
state() {
|
||||
return {
|
||||
currentId: initFileObj.id,
|
||||
currentIndex: 0,
|
||||
currentFile: initFileObj,
|
||||
files: [ initFileObj ],
|
||||
}
|
||||
},
|
||||
actions: {
|
||||
// update file | 更新文件
|
||||
updateFile(file = {}) {
|
||||
if (file?.id != this.currentId) return
|
||||
this.currentFile = file
|
||||
this.files[this.currentIndex] = data
|
||||
},
|
||||
// update board data | 更新画板数据
|
||||
updateBoardData(data) {
|
||||
this.currentFile.boardData = data
|
||||
this.files[this.currentIndex].boardData = data
|
||||
},
|
||||
// update board zoom | 更新画板缩放
|
||||
updateBoardZoom(zoom){
|
||||
this.currentFile.zoom = zoom
|
||||
this.files[this.currentIndex].zoom = zoom
|
||||
},
|
||||
// update board field | 更新画板字段
|
||||
updateBoardField(key, value) {
|
||||
if(key == 'id') return
|
||||
this.currentFile[key] = value
|
||||
this.files[this.currentIndex][key] = value
|
||||
},
|
||||
// 创建新画板
|
||||
createBoard(option = {}) {
|
||||
delete option?.id
|
||||
let fileObj = getFileObj(option)
|
||||
this.currentFile = fileObj
|
||||
this.currentId = fileObj.id
|
||||
this.files.push(fileObj)
|
||||
this.currentIndex = this.files.length - 1
|
||||
return fileObj
|
||||
}
|
||||
}
|
||||
}
|
||||
)
|
||||
|
||||
// 主模块-缓存
|
||||
const initLanguage = ['en', 'en-US', 'en-us'].includes(navigator.language) ? 'en' : 'zh'
|
||||
|
|
@ -26,6 +93,59 @@ export const useBoardStore = defineStore(
|
|||
isObjectCaching: true,
|
||||
openGuideLine: false,
|
||||
}
|
||||
},
|
||||
actions: {
|
||||
// update mode | 更新模式
|
||||
updateMode(mode) {
|
||||
if (this.mode != mode) FabricVue.handleMode(mode)
|
||||
this.mode = mode
|
||||
},
|
||||
// update draw type | 更新画笔类型
|
||||
updateDrawType(drawType) {
|
||||
if (this.drawType != drawType){
|
||||
this.drawType = drawType
|
||||
FabricVue.handleMode()
|
||||
}
|
||||
},
|
||||
// update language | 更新语言
|
||||
updateLanguage(language) {this.language = language},
|
||||
updateCanvasWidth(width) {
|
||||
if (this.canvasWidth !== width){
|
||||
this.canvasHeight = width
|
||||
FabricVue.updateCanvasWidth(width)
|
||||
}
|
||||
},
|
||||
// init background | 初始化背景
|
||||
initBackground() {
|
||||
const backgroundColor = FabricVue?.canvas?.backgroundColor
|
||||
if (backgroundColor && typeof backgroundColor === 'string') {
|
||||
const type = colorUtils.getColorFormat(backgroundColor)
|
||||
if (type === 'hex') {
|
||||
const color = colorUtils.hexToRgba(backgroundColor)
|
||||
const opacity = colorUtils.getAlphaFromRgba(color)
|
||||
this.backgroundColor = color
|
||||
this.backgroundOpacity = opacity
|
||||
} else if (type === 'rgba') {
|
||||
const opacity = colorUtils.getAlphaFromRgba(backgroundColor)
|
||||
this.backgroundColor = backgroundColor
|
||||
this.backgroundOpacity = opacity
|
||||
}
|
||||
} else if (FabricVue?.canvas) {
|
||||
FabricVue.canvas.backgroundColor = 'rgba(255, 255, 255, 1)'
|
||||
this.backgroundColor = 'rgba(255, 255, 255, 1)'
|
||||
this.backgroundOpacity = 1
|
||||
}
|
||||
|
||||
const backgroundImage = FabricVue?.canvas?.backgroundImage
|
||||
if (backgroundImage) {
|
||||
bgUtils.handleBackgroundImageWhenCanvasSizeChange()
|
||||
this.hasBackgroundImage = true
|
||||
this.backgroundOpacity = backgroundImage.opacity
|
||||
} else {
|
||||
this.hasBackgroundImage = true
|
||||
this.backgroundOpacity = 1
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
)
|
||||
|
|
@ -53,6 +173,7 @@ export const useDrawStore = defineStore(
|
|||
}
|
||||
},
|
||||
actions: {
|
||||
// update draw width | 更新画笔宽度
|
||||
updateDrawWidth(w) {
|
||||
const oldW = this.drawWidth
|
||||
if (oldW != w && FabricVue.canvas) {
|
||||
|
|
@ -60,6 +181,93 @@ export const useDrawStore = defineStore(
|
|||
this.drawWidth = w
|
||||
}
|
||||
},
|
||||
// update draw colors | 更新画笔颜色
|
||||
updateDrawColors(drawColors = []) {
|
||||
const drawStyle = this.drawStyle
|
||||
switch(drawStyle) {
|
||||
case TYPES.DrawStyle.Basic:
|
||||
if (FabricVue.canvas) {
|
||||
FabricVue.canvas.freeDrawingBrush.color = drawColors[0]
|
||||
}
|
||||
break
|
||||
case TYPES.DrawStyle.Material:
|
||||
if (this.drawColors[0] != drawColors[0]) {
|
||||
material.render({})
|
||||
}
|
||||
break
|
||||
case TYPES.DrawStyle.MultiColor:
|
||||
renderMultiColor({colors: drawColors})
|
||||
break
|
||||
}
|
||||
this.drawColors = drawColors
|
||||
},
|
||||
// update shadow width | 更新画笔阴影宽度
|
||||
updateShadowWidth(shadowWidth) {
|
||||
if (FabricVue.canvas) {
|
||||
(FabricVue.canvas.freeDrawingBrush.shadow).blur = fabricUtils.getShadowWidth(shadowWidth)
|
||||
}
|
||||
this.shadowWidth = shadowWidth
|
||||
},
|
||||
// update shadow color | 更新画笔阴影颜色
|
||||
updateShadowColor(shadowColor) {
|
||||
if (FabricVue.canvas) {
|
||||
(FabricVue.canvas.freeDrawingBrush.shadow).color = shadowColor
|
||||
}
|
||||
this.shadowColor = shadowColor
|
||||
},
|
||||
// update shadow Shape | 更新画笔阴影形状
|
||||
updateDrawShape(drawShape) {
|
||||
this.drawShape = drawShape
|
||||
},
|
||||
// update draw style | 更新画笔阴影样式
|
||||
updateDrawStyle(drawStyle) {
|
||||
this.drawStyle = drawStyle
|
||||
FabricVue.handleDrawStyle()
|
||||
},
|
||||
// update draw shape count | 更新画笔形状数量
|
||||
updateDrawShapeCount(drawShapeCount){
|
||||
this.drawShapeCount = drawShapeCount
|
||||
},
|
||||
// update draw text value | 更新画笔文字
|
||||
updateDrawTextValue(drawTextValue){
|
||||
this.drawTextValue = drawTextValue
|
||||
},
|
||||
// update material type | 更新材质类型
|
||||
updateMaterialType(materialType) {
|
||||
if(this.materialType != materialType) {
|
||||
material.render({materialType})
|
||||
this.materialType = materialType
|
||||
}
|
||||
},
|
||||
// update eraser width | 更新橡皮擦宽度
|
||||
updateEraserWidth(eraserWidth) {
|
||||
const oldW = this.drawWidth
|
||||
if (oldW != eraserWidth && FabricVue.canvas) {
|
||||
FabricVue.canvas.freeDrawingBrush.width = fabricUtils.getEraserWidth(eraserWidth)
|
||||
this.eraserWidth = eraserWidth
|
||||
}
|
||||
},
|
||||
// update multi color type | 更新多色材质类型
|
||||
updateMultiColorType(multiColorType) {
|
||||
if(this.multiColorType != multiColorType) {
|
||||
renderMultiColor({type: multiColorType})
|
||||
this.multiColorType = multiColorType
|
||||
}
|
||||
},
|
||||
// update text font family | 更新文字字体
|
||||
updateTextFontFamily(fontFamily){
|
||||
this.textFontFamily = fontFamily
|
||||
},
|
||||
// update auto draw state | 更新自动绘图状态
|
||||
updateAutoDrawState() {
|
||||
this.openAutoDraw = !this.openAutoDraw
|
||||
},
|
||||
// update font styles | 更新字体样式
|
||||
updateFontStyles(type) {
|
||||
const ind = this.fontStyles.findIndex(item => item === type)
|
||||
if (ind >= 0) this.fontStyles.splice(ind, 1)
|
||||
else this.fontStyles.push(type)
|
||||
},
|
||||
}
|
||||
}
|
||||
)
|
||||
|
|
|
|||
Loading…
Reference in New Issue