QLine 그룹화

src/components/Roof2.jsx

@@ -2,7 +2,6 @@ import { useCanvas } from '@/hooks/useCanvas'
 import { useEffect, useState } from 'react'
 import { Mode, useMode } from '@/hooks/useMode'
 import QRect from '@/components/fabric/QRect'
-import QLine from '@/components/fabric/QLine'
 import QPolygon from '@/components/fabric/QPolygon'
 
 import RangeSlider from './ui/RangeSlider'
@@ -12,6 +11,7 @@ import {
   fontSizeState,
   sortedPolygonArray,
 } from '@/store/canvasAtom'
+import { QLine } from '@/components/fabric/QLine'
 
 export default function Roof2() {
   const {
@@ -165,6 +165,18 @@ export default function Roof2() {
     }
   }
 
+  const makeQLine = () => {
+    if (canvas) {
+      const line = new QLine([50, 50, 200, 50], {
+        stroke: 'black',
+        strokeWidth: 2,
+        fontSize: fontSize,
+      })
+
+      canvas?.add(line)
+    }
+  }
+
   return (
     <>
       {canvas && (
@@ -303,6 +315,12 @@ export default function Roof2() {
             >
               회전
             </button>
+            <button
+              className="w-30 m-2 p-2 rounded bg-gray-500 text-white"
+              onClick={makeQLine}
+            >
+              QLine
+            </button>
           </div>
           <div className="flex justify-center flex-col items-center">
             <div className="m-2 p-2 w-80">

src/components/fabric/QLine.js

@@ -1,27 +1,39 @@
 import { fabric } from 'fabric'
 
-export default class QLine extends fabric.Line {
+export class QLine extends fabric.Group {
+  line
+  text
+  fontSize
   length
-  #text
+  x1
-  #viewLengthText
+  y1
-  #fontSize
+  x2
+  y2
+  direction
   type = 'QLine'
+
   constructor(points, option) {
+    const [x1, y1, x2, y2] = points
+
     if (!option.fontSize) {
       throw new Error('Font size is required.')
     }
-    super(points, option)
+    const line = new fabric.Line(points, { ...option, strokeWidth: 1 })
-    this.#fontSize = option.fontSize
+    super([line], {})
-    this.#init(option)
+
+    this.x1 = x1
+    this.y1 = y1
+    this.x2 = x2
+    this.y2 = y2
+    this.line = line
+    this.fontSize = option.fontSize
+    this.direction = option.direction
+    this.#init()
     this.#addControl()
   }
 
-  #init(option) {
+  #init() {
-    // 선의 길이를 계산하여 length 속성을 초기화합니다.
+    this.#addLengthText()
-    const dx = this.x2 - this.x1
-    const dy = this.y2 - this.y1
-    this.length = Number(Math.sqrt(dx * dx + dy * dy).toFixed(0))
-    this.#viewLengthText = option.viewLengthText ?? true
   }
 
   #addControl() {
@@ -34,52 +46,46 @@ export default class QLine extends fabric.Line {
     })
 
     this.on('modified', (e) => {
-      const scaleX = this.scaleX
-      const scaleY = this.scaleY
-
-      // x1, y1, x2, y2 속성을 새로운 좌표로 설정합니다.
-      this.x1 = this.left
-      this.y1 = this.top
-      this.x2 = this.left + this.width * scaleX
-      this.y2 = this.top + this.height * scaleY
-
-      const dx = this.x2 - this.x1
-      const dy = this.y2 - this.y1
-      const length = Math.sqrt(dx * dx + dy * dy)
-      this.length = Number(length.toFixed(0)) // 선의 길이를 length 속성에 저장합니다.
       this.#addLengthText()
     })
 
-    this.on('removed', () => {
+    this.on('selected', () => {
-      this.canvas.remove(this.#text)
+      Object.keys(this.controls).forEach((controlKey) => {
-      this.#text = null
+        if (controlKey !== 'ml' && controlKey !== 'mr') {
+          this.setControlVisible(controlKey, false)
+        }
+      })
     })
   }
 
-  setViewLengthText(bool) {
+  #addLengthText() {
-    this.#viewLengthText = bool
+    if (this.text) {
-    this.#addLengthText()
+      this.removeWithUpdate(this.text)
+      this.text = null
+    }
+
+    const scaleX = this.scaleX
+    const scaleY = this.scaleY
+    const x1 = this.left
+    const y1 = this.top
+    const x2 = this.left + this.width * scaleX
+    const y2 = this.top + this.height * scaleY
+    const dx = x2 - x1
+    const dy = y2 - y1
+    this.length = Number(Math.sqrt(dx * dx + dy * dy).toFixed(0))
+
+    const text = new fabric.Textbox(this.length.toString(), {
+      left: (x1 + x2) / 2,
+      top: (y1 + y2) / 2,
+      fontSize: this.fontSize,
+    })
+    this.text = text
+    this.addWithUpdate(text)
   }
 
   setFontSize(fontSize) {
-    this.#fontSize = fontSize
+    this.fontSize = fontSize
-    this.#addLengthText()
+    this.text.set({ fontSize })
-  }
+    this.addWithUpdate()
-
-  #addLengthText() {
-    if (this.#text) {
-      this.canvas.remove(this.#text)
-    }
-
-    if (this.#viewLengthText) {
-      const text = new fabric.Text(this.length.toString(), {
-        left: (this.x1 + this.x2) / 2,
-        top: (this.y1 + this.y2) / 2,
-        fontSize: this.#fontSize,
-        selectable: false,
-      })
-      this.#text = text
-      this.canvas.add(text)
-    }
   }
 }

src/hooks/useMode.js

@@ -1,5 +1,4 @@
 import { useEffect, useRef, useState } from 'react'
-import QLine from '@/components/fabric/QLine'
 import QRect from '@/components/fabric/QRect'
 import QPolygon from '@/components/fabric/QPolygon'
 import {
@@ -9,6 +8,7 @@ import {
 } from '@/util/canvas-util'
 import { useRecoilState } from 'recoil'
 import { fontSizeState, sortedPolygonArray } from '@/store/canvasAtom'
+import { QLine } from '@/components/fabric/QLine'
 
 export const Mode = {
   DRAW_LINE: 'drawLine', // 기준선 긋기모드