335 lines
9.1 KiB
JavaScript
335 lines
9.1 KiB
JavaScript
import { fabric } from 'fabric'
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import { v4 as uuidv4 } from 'uuid'
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import { QLine } from '@/components/fabric/QLine'
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import { distanceBetweenPoints, findTopTwoIndexesByDistance, getDirectionByPoint, sortedPointLessEightPoint, sortedPoints } from '@/util/canvas-util'
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import { drawHelpLineInHexagon } from '@/util/qpolygon-utils'
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import { drawHippedRoof } from '@/util/qpolygon-utils'
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export const QPolygon = fabric.util.createClass(fabric.Polygon, {
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type: 'QPolygon',
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lines: [],
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texts: [],
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id: null,
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length: 0,
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hips: [],
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ridges: [],
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connectRidges: [],
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innerLines: [],
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initialize: function (points, options, canvas) {
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// 소수점 전부 제거
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points.forEach((point) => {
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point.x = Math.round(point.x)
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point.y = Math.round(point.y)
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})
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if (points.length <= 8) {
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points = sortedPointLessEightPoint(points)
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} else {
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points = sortedPoints(points)
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}
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this.callSuper('initialize', points, options)
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if (options.id) {
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this.id = options.id
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} else {
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this.id = uuidv4()
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}
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if (canvas) {
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this.canvas = canvas
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}
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this.init()
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this.initLines()
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this.setShape()
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},
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setShape() {
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let shape = 0
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if (this.lines.length !== 6) {
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return
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}
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//외각선 기준
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const topIndex = findTopTwoIndexesByDistance(this.lines).sort((a, b) => a - b) //배열중에 큰 2값을 가져옴 TODO: 나중에는 인자로 받아서 다각으로 수정 해야됨
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//일단 배열 6개 짜리 기준의 선 번호
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if (topIndex[0] === 4) {
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if (topIndex[1] === 5) {
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//1번
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shape = 1
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}
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} else if (topIndex[0] === 1) {
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//4번
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if (topIndex[1] === 2) {
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shape = 4
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}
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} else if (topIndex[0] === 0) {
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if (topIndex[1] === 1) {
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//2번
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shape = 2
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} else if (topIndex[1] === 5) {
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//3번
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shape = 3
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}
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}
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this.shape = shape
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},
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toObject: function (propertiesToInclude) {
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return fabric.util.object.extend(this.callSuper('toObject', propertiesToInclude), {
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type: this.type,
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text: this.text,
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})
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},
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init: function () {
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this.addLengthText()
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this.on('moving', () => {
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this.addLengthText()
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})
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this.on('modified', (e) => {
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this.addLengthText()
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})
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this.on('selected', () => {
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Object.keys(this.controls).forEach((controlKey) => {
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if (controlKey !== 'ml' && controlKey !== 'mr') {
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this.setControlVisible(controlKey, false)
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}
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})
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})
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this.on('removed', () => {
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const thisText = this.canvas.getObjects().filter((obj) => obj.name === 'lengthText' && obj.parentId === this.id)
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thisText.forEach((text) => {
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this.canvas.remove(text)
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})
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this.texts = null
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})
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},
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initLines() {
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this.lines = []
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this.points.forEach((point, i) => {
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const nextPoint = this.points[(i + 1) % this.points.length]
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const line = new QLine([point.x, point.y, nextPoint.x, nextPoint.y], {
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stroke: this.stroke,
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strokeWidth: this.strokeWidth,
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fontSize: this.fontSize,
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direction: getDirectionByPoint(point, nextPoint),
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idx: i,
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})
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this.lines.push(line)
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})
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},
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// 보조선 그리기
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drawHelpLine(chon = 4) {
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// drawHelpLineInHexagon(this, chon)
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drawHippedRoof(this, chon)
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},
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addLengthText() {
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let points = this.points
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points.forEach((start, i) => {
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const thisText = this.canvas.getObjects().find((obj) => obj.name === 'lengthText' && obj.parentId === this.id && obj.idx === 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 = Math.sqrt(dx * dx + dy * dy)
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if (thisText) {
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thisText.set({
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left: (start.x + points[(i + 1) % points.length].x) / 2,
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top: (start.y + points[(i + 1) % points.length].y) / 2,
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text: length.toFixed(0),
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})
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return
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}
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const midPoint = new fabric.Point((start.x + end.x) / 2, (start.y + end.y) / 2)
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// Create new text object if it doesn't exist
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const text = new fabric.Text(length.toFixed(0), {
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left: midPoint.x,
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top: midPoint.y,
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fontSize: this.fontSize,
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selectable: false,
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parentId: this.id,
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idx: i,
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name: 'lengthText',
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})
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this.texts.push(text)
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this.canvas.add(text)
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this.canvas.renderAll()
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})
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},
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setFontSize(fontSize) {
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this.fontSize = fontSize
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this.text.set({ fontSize })
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},
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_render: function (ctx) {
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this.callSuper('_render', ctx)
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},
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_set: function (key, value) {
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this.callSuper('_set', key, value)
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},
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setCanvas(canvas) {
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this.canvas = canvas
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},
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fillCell(cell = { width: 50, height: 100, padding: 10 }) {
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const points = this.points
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const minX = Math.min(...points.map((p) => p.x))
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const maxX = Math.max(...points.map((p) => p.x))
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const minY = Math.min(...points.map((p) => p.y))
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const maxY = Math.max(...points.map((p) => p.y))
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const boundingBoxWidth = maxX - minX
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const boundingBoxHeight = maxY - minY
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const rectWidth = cell.width
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const rectHeight = cell.height
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const cols = Math.floor((boundingBoxWidth + cell.padding) / (rectWidth + cell.padding))
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const rows = Math.floor((boundingBoxHeight + cell.padding) / (rectHeight + cell.padding))
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//전체 높이에서 패딩을 포함하고 rows를 곱해서 여백길이를 계산 후에 2로 나누면 반높이를 넣어서 중간으로 정렬
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const tmpHeight = (boundingBoxHeight - (rectHeight + cell.padding) * rows) / 2
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//센터 정렬시에 쓴다 체크박스가 존재함 TODO: if문 추가해서 정렬해야함
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let tmpWidth = (boundingBoxWidth - (rectWidth + cell.padding) * cols) / 2
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for (let i = 0; i < cols; i++) {
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for (let j = 0; j < rows; j++) {
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const rectLeft = minX + i * (rectWidth + cell.padding) + tmpWidth
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const rectTop = minY + j * (rectHeight + cell.padding) + tmpHeight
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const rectPoints = [
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{ x: rectLeft, y: rectTop },
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{ x: rectLeft + rectWidth, y: rectTop },
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{ x: rectLeft, y: rectTop + rectHeight },
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{ x: rectLeft + rectWidth, y: rectTop + rectHeight },
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]
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const allPointsInside = rectPoints.every((point) => this.inPolygon(point))
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if (allPointsInside) {
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const rect = new fabric.Rect({
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left: rectLeft,
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top: rectTop,
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width: rectWidth,
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height: rectHeight,
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fill: '#BFFD9F',
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selectable: true, // 선택 가능하게 설정
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lockMovementX: true, // X 축 이동 잠금
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lockMovementY: true, // Y 축 이동 잠금
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lockRotation: true, // 회전 잠금
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lockScalingX: true, // X 축 크기 조정 잠금
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lockScalingY: true, // Y 축 크기 조정 잠금
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opacity: 0.6,
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})
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this.canvas.add(rect)
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}
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}
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}
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this.canvas.renderAll()
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},
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inPolygon(point) {
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const vertices = this.getCurrentPoints()
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let intersects = 0
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for (let i = 0; i < vertices.length; i++) {
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let vertex1 = vertices[i]
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let vertex2 = vertices[(i + 1) % vertices.length]
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if (vertex1.y > vertex2.y) {
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let tmp = vertex1
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vertex1 = vertex2
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vertex2 = tmp
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}
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if (point.y === vertex1.y || point.y === vertex2.y) {
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point.y += 0.01
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}
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if (point.y <= vertex1.y || point.y > vertex2.y) {
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continue
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}
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let xInt = ((point.y - vertex1.y) * (vertex2.x - vertex1.x)) / (vertex2.y - vertex1.y) + vertex1.x
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if (xInt < point.x) {
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intersects++
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}
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}
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return intersects % 2 === 1
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},
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distanceFromEdge(point) {
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const vertices = this.getCurrentPoints()
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let minDistance = Infinity
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for (let i = 0; i < vertices.length; i++) {
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let vertex1 = vertices[i]
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let vertex2 = vertices[(i + 1) % vertices.length]
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const dx = vertex2.x - vertex1.x
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const dy = vertex2.y - vertex1.y
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const t = ((point.x - vertex1.x) * dx + (point.y - vertex1.y) * dy) / (dx * dx + dy * dy)
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let closestPoint
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if (t < 0) {
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closestPoint = vertex1
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} else if (t > 1) {
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closestPoint = vertex2
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} else {
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closestPoint = new fabric.Point(vertex1.x + t * dx, vertex1.y + t * dy)
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}
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const distance = distanceBetweenPoints(point, closestPoint)
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if (distance < minDistance) {
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minDistance = distance
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}
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}
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return minDistance
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},
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getCurrentPoints() {
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const scaleX = this.scaleX
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const scaleY = this.scaleY
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const left = this.left
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const top = this.top
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// 시작점
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const point = this.points[0]
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const movingX = left - point.x * scaleX
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const movingY = top - point.y * scaleY
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return this.points.map((point) => {
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return {
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x: point.x * scaleX + movingX,
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y: point.y * scaleY + movingY,
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}
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})
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},
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setWall: function (wall) {
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this.wall = wall
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},
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setViewLengthText(isView) {
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this.texts.forEach((text) => {
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text.set({ visible: isView })
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})
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},
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divideLine() {},
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})
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