425 lines
12 KiB
JavaScript
425 lines
12 KiB
JavaScript
import { canvasState, fontFamilyState, fontSizeState } from '@/store/canvasAtom'
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import { useRecoilValue } from 'recoil'
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import { fabric } from 'fabric'
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import { getDirectionByPoint } from '@/util/canvas-util'
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import { QPolygon } from '@/components/fabric/QPolygon'
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import { isSamePoint } from '@/util/qpolygon-utils'
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import { flowDisplaySelector } from '@/store/settingAtom'
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export const usePolygon = () => {
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const canvas = useRecoilValue(canvasState)
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const isFlowDisplay = useRecoilValue(flowDisplaySelector)
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const fontSize = useRecoilValue(fontSizeState)
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const fontFamily = useRecoilValue(fontFamilyState)
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const addPolygon = (points, options) => {
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const polygon = new QPolygon(points, {
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...options,
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fill: options.fill || 'transparent',
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stroke: options.stroke || '#000000',
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fontSize: fontSize,
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fontFamily: fontFamily,
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selectable: true,
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})
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canvas?.add(polygon)
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return polygon
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}
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const addPolygonByLines = (lines, options) => {
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//lines의 idx를 정렬한다.
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lines.sort((a, b) => a.idx - b.idx)
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const points = createPolygonPointsFromOuterLines(lines)
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return addPolygon(points, {
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...options,
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})
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}
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const addLengthText = (polygon) => {
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const points = polygon.get('points')
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points.forEach((start, i) => {
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const end = points[(i + 1) % points.length]
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const dx = end.x - start.x
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const dy = end.y - start.y
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const length = Number(Math.sqrt(dx * dx + dy * dy).toFixed(1)) * 10
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const midPoint = new fabric.Point((start.x + end.x) / 2, (start.y + end.y) / 2)
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const degree = (Math.atan2(dy, dx) * 180) / Math.PI
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// Create new text object if it doesn't exist
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const text = new fabric.Text(length.toString(), {
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left: midPoint.x,
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top: midPoint.y,
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fontSize: fontSize,
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fontFamily: fontFamily,
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parentId: polygon.id,
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minX: Math.min(start.x, end.x),
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maxX: Math.max(start.x, end.x),
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minY: Math.min(start.y, end.y),
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maxY: Math.max(start.y, end.y),
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parentDirection: getDirectionByPoint(start, end),
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parentDegree: degree,
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dirty: true,
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editable: true,
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selectable: true,
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lockRotation: true,
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lockScalingX: true,
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lockScalingY: true,
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idx: i,
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name: 'lengthText',
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parent: this,
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})
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// this.texts.push(text)
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canvas.add(text)
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})
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canvas.renderAll()
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}
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const createPolygonPointsFromOuterLines = (outerLines) => {
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if (!outerLines || outerLines.length === 0) {
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return []
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}
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// Extract points from outerLines
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return outerLines.map((line) => ({
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x: line.x1,
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y: line.y1,
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}))
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}
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const removePolygon = (polygon) => {
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const texts = canvas.getObjects().filter((obj) => obj.parentId === polygon.id)
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texts.forEach((text) => {
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canvas.remove(text)
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})
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canvas.remove(polygon)
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canvas.renderAll()
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}
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/**
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* poolygon의 방향에 따라 화살표를 추가한다.
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* @param polygon
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*/
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const drawDirectionArrow = (polygon) => {
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const direction = polygon.direction
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if (!direction) {
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return
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}
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polygon.canvas
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.getObjects()
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.filter((obj) => obj.name === 'directionText' && obj.parent === polygon.arrow)
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.forEach((obj) => polygon.canvas.remove(obj))
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let arrow = null
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let points = []
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if (polygon.arrow) {
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polygon.canvas.remove(polygon.arrow)
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}
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let centerPoint = { x: polygon.left, y: polygon.top }
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let stickeyPoint
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const polygonMaxX = Math.max(...polygon.getCurrentPoints().map((point) => point.x))
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const polygonMinX = Math.min(...polygon.getCurrentPoints().map((point) => point.x))
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const polygonMaxY = Math.max(...polygon.getCurrentPoints().map((point) => point.y))
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const polygonMinY = Math.min(...polygon.getCurrentPoints().map((point) => point.y))
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switch (direction) {
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case 'north':
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points = [
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{ x: centerPoint.x, y: polygonMinY - 50 },
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{ x: centerPoint.x + 20, y: polygonMinY - 50 },
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{ x: centerPoint.x + 20, y: polygonMinY - 80 },
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{ x: centerPoint.x + 50, y: polygonMinY - 80 },
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{ x: centerPoint.x, y: polygonMinY - 110 },
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{ x: centerPoint.x - 50, y: polygonMinY - 80 },
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{ x: centerPoint.x - 20, y: polygonMinY - 80 },
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{ x: centerPoint.x - 20, y: polygonMinY - 50 },
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]
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stickeyPoint = { x: centerPoint.x, y: polygonMinY - 110 }
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break
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case 'south':
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points = [
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{ x: centerPoint.x, y: polygonMaxY + 50 },
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{ x: centerPoint.x + 20, y: polygonMaxY + 50 },
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{ x: centerPoint.x + 20, y: polygonMaxY + 80 },
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{ x: centerPoint.x + 50, y: polygonMaxY + 80 },
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{ x: centerPoint.x, y: polygonMaxY + 110 },
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{ x: centerPoint.x - 50, y: polygonMaxY + 80 },
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{ x: centerPoint.x - 20, y: polygonMaxY + 80 },
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{ x: centerPoint.x - 20, y: polygonMaxY + 50 },
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]
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stickeyPoint = { x: centerPoint.x, y: polygonMaxY + 110 }
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break
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case 'west':
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points = [
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{ x: polygonMinX - 50, y: centerPoint.y },
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{ x: polygonMinX - 50, y: centerPoint.y + 20 },
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{ x: polygonMinX - 80, y: centerPoint.y + 20 },
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{ x: polygonMinX - 80, y: centerPoint.y + 50 },
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{ x: polygonMinX - 110, y: centerPoint.y },
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{ x: polygonMinX - 80, y: centerPoint.y - 50 },
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{ x: polygonMinX - 80, y: centerPoint.y - 20 },
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{ x: polygonMinX - 50, y: centerPoint.y - 20 },
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]
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stickeyPoint = { x: polygonMinX - 110, y: centerPoint.y }
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break
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case 'east':
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points = [
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{ x: polygonMaxX + 50, y: centerPoint.y },
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{ x: polygonMaxX + 50, y: centerPoint.y + 20 },
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{ x: polygonMaxX + 80, y: centerPoint.y + 20 },
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{ x: polygonMaxX + 80, y: centerPoint.y + 50 },
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{ x: polygonMaxX + 110, y: centerPoint.y },
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{ x: polygonMaxX + 80, y: centerPoint.y - 50 },
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{ x: polygonMaxX + 80, y: centerPoint.y - 20 },
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{ x: polygonMaxX + 50, y: centerPoint.y - 20 },
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]
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stickeyPoint = { x: polygonMaxX + 110, y: centerPoint.y }
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break
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}
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arrow = new fabric.Polygon(points, {
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selectable: false,
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name: 'arrow',
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fill: 'transparent',
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stroke: 'black',
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direction: direction,
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parent: polygon,
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stickeyPoint: stickeyPoint,
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visible: isFlowDisplay,
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})
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polygon.arrow = arrow
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polygon.canvas.add(arrow)
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polygon.canvas.renderAll()
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drawDirectionStringToArrow(polygon.canvas, 0)
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}
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/**
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* 방향을 나타낸 화살표에 각도에 따라 글씨 추가
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* @param canvas
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* @param compass
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*/
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const drawDirectionStringToArrow = (canvas, compass = 0) => {
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const arrows = canvas?.getObjects().filter((obj) => obj.name === 'arrow')
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if (arrows.length === 0) {
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return
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}
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const eastArrows = arrows.filter((arrow) => arrow.direction === 'east')
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const westArrows = arrows.filter((arrow) => arrow.direction === 'west')
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const northArrows = arrows.filter((arrow) => arrow.direction === 'north')
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const southArrows = arrows.filter((arrow) => arrow.direction === 'south')
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let southText = '南'
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let eastText = '東'
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let westText = '西'
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let northText = '北'
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if (compass === 0 || compass === 360) {
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// 남,동,서 가능
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// 그대로
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} else if (compass < 45) {
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//남(남남동),동(동북동),서(서남서) 가능
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//북(북북서)
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southText = '南南東'
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eastText = '東北東'
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westText = '西南西'
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northText = '北北西'
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} else if (compass === 45) {
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// 남, 서 가능
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// 남(남동)
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// 서(남서)
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// 북(북서)
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// 동(북동)
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southText = '南東'
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westText = '南西'
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northText = '北西'
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eastText = '北東'
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} else if (compass < 90) {
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// 북(서북서)
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// 동 (북북동)
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// 남(동남동)
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// 서(남남서)
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northText = '北西北'
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eastText = '北北東'
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southText = '東南東'
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westText = '南南西'
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} else if (compass === 90) {
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// 동(북)
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// 서(남)
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// 남(동)
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// 북(서)
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eastText = '北'
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westText = '南'
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southText = '東'
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northText = '西'
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} else if (compass < 135) {
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// 남,서,북 가능
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// 동(북북서)
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// 서(남남동)
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// 남(동북동)
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// 북(서남서)
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eastText = '北北西'
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westText = '南南東'
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southText = '東北東'
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northText = '西南西'
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} else if (compass === 135) {
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// 서,북 가능
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// 서(남동)
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// 북(남서)
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// 남(북동)
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// 동(북서)
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westText = '南東'
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northText = '南西'
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southText = '北東'
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eastText = '北西'
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} else if (compass < 180) {
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// 북,동,서 가능
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// 북(남남서)
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// 동(서북서)
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// 남(북북동)
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// 서(동남동)
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northText = '南南西'
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eastText = '西北西'
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southText = '北北東'
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westText = '東南東'
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} else if (compass === 180) {
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// 북,동,서 가능
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// 북(남)
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// 동(서)
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// 남(북)
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// 서(동)
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northText = '南'
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eastText = '西'
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southText = '北'
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westText = '東'
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} else if (compass < 225) {
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// 서,북,동 가능
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// 북(남남동)
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// 동(서남서)
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// 남(북북서)
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// 서(동남동)
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northText = '南南東'
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eastText = '西南西'
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southText = '北北西'
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westText = '東南東'
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} else if (compass === 225) {
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// 북,동 가능
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// 북(남동)
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// 동(남서)
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// 남(북서)
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// 서(북동)
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northText = '南東'
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eastText = '南西'
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southText = '北西'
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westText = '北東'
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} else if (compass < 270) {
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// 북동남 가능
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// 북(동남동)
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// 동(남남서)
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// 남(서북서)
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// 서(북북동)
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northText = '東南東'
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eastText = '南南西'
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southText = '西北西'
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westText = '北北東'
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} else if (compass === 270) {
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// 북동남 가능
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// 북(동)
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// 동(남)
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// 남(서)
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// 서(북)
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northText = '東'
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eastText = '南'
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southText = '西'
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westText = '北'
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} else if (compass < 315) {
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// 북,동,남 가능
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// 북(동북동)
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// 동(남남동)
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// 남(서남서)
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// 서(북북서)
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northText = '東北東'
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eastText = '南南東'
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southText = '西南西'
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westText = '北北西'
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} else if (compass === 315) {
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// 동,남 가능
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// 북(북동)
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// 동(남동)
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// 남(남서)
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// 서(북서)
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northText = '北東'
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eastText = '南東'
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southText = '南西'
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westText = '北西'
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} else if (compass < 360) {
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// 남,동,서 가능
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// 북(북북동)
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// 동(동남동)
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// 남(남남서)
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// 서(서북서)
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northText = '北北東'
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eastText = '東南東'
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southText = '南南西'
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westText = '西北西'
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}
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clearDirectionText(canvas)
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addTextByArrows(eastArrows, eastText, canvas)
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addTextByArrows(westArrows, westText, canvas)
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addTextByArrows(northArrows, northText, canvas)
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addTextByArrows(southArrows, southText, canvas)
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}
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const clearDirectionText = (canvas) => {
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const texts = canvas.getObjects().filter((obj) => obj.name === 'directionText')
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texts.forEach((text) => {
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canvas.remove(text)
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})
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}
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const addTextByArrows = (arrows, txt, canvas) => {
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arrows.forEach((arrow, index) => {
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const text = new fabric.Text(`${txt}${index + 1}`, {
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fontSize: arrow.parent.fontSize,
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fill: 'black',
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originX: 'center',
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originY: 'center',
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name: 'directionText',
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selectable: false,
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left: arrow.stickeyPoint.x,
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top: arrow.stickeyPoint.y,
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parent: arrow,
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visible: isFlowDisplay,
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})
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canvas.add(text)
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})
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}
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return {
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addPolygon,
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addPolygonByLines,
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removePolygon,
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drawDirectionArrow,
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}
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}
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