cell 그리기 추가

This commit is contained in:
hyojun.choi 2024-06-26 21:40:21 +09:00
parent 9a5343eb76
commit d2b935b953
5 changed files with 79 additions and 11 deletions

View File

@ -72,15 +72,17 @@ export default function Roof2() {
fill: 'transparent', fill: 'transparent',
stroke: 'black', stroke: 'black',
strokeWidth: 2, strokeWidth: 2,
viewLengthText: true, // true , . viewLengthText: true, // true , .
selectable: false, selectable: true,
}, },
) )
canvas?.add(polygon) canvas?.add(polygon)
console.log(polygon.polygon)
setTimeout(() => polygon.delete(), 500) setTimeout(() => {
polygon.fillCell({ width: 10, height: 20 })
}, 500)
} }
} }
@ -88,6 +90,12 @@ export default function Roof2() {
<> <>
{canvas && ( {canvas && (
<div className="flex justify-center my-8"> <div className="flex justify-center my-8">
<button
className={`w-30 mx-2 p-2 rounded ${mode === Mode.DEFAULT ? 'bg-blue-500' : 'bg-gray-500'} text-white`}
onClick={() => changeMode(canvas, Mode.DEFAULT)}
>
모드 DEFAULT
</button>
<button <button
className={`w-30 mx-2 p-2 rounded ${mode === Mode.DRAW_LINE ? 'bg-blue-500' : 'bg-gray-500'} text-white`} className={`w-30 mx-2 p-2 rounded ${mode === Mode.DRAW_LINE ? 'bg-blue-500' : 'bg-gray-500'} text-white`}
onClick={() => changeMode(canvas, Mode.DRAW_LINE)} onClick={() => changeMode(canvas, Mode.DRAW_LINE)}

View File

@ -23,6 +23,7 @@ export default class QLine extends fabric.Line {
const group = new fabric.Group(groupItems, { const group = new fabric.Group(groupItems, {
selectable: false, selectable: false,
type: 'QRect', type: 'QRect',
group: this.selectable,
canvas: this.canvas, canvas: this.canvas,
}) })
@ -48,4 +49,8 @@ export default class QLine extends fabric.Line {
this.#makeGroupItem([this, text]) this.#makeGroupItem([this, text])
} }
getInfo() {
return this
}
} }

View File

@ -18,7 +18,7 @@ export default class QPolygon extends fabric.Polygon {
#makeGroupItem(groupItems) { #makeGroupItem(groupItems) {
const group = new fabric.Group(groupItems, { const group = new fabric.Group(groupItems, {
selectable: false, selectable: this.selectable,
type: 'QRect', type: 'QRect',
canvas: this.canvas, canvas: this.canvas,
}) })
@ -58,9 +58,11 @@ export default class QPolygon extends fabric.Polygon {
} }
fillCell(cell = { width: 50, height: 100 }) { fillCell(cell = { width: 50, height: 100 }) {
// QPolygon의 경계를 구합니다. // QPolygon의 점들을 가져옵니다.
const bounds = this.group.getBoundingRect() const points = this.getPoints()
// 점들을 사용하여 QPolygon의 경계를 정의합니다.
const bounds = fabric.util.makeBoundingBoxFromPoints(points)
// 경계 내에서 cell의 크기에 맞게 반복합니다. // 경계 내에서 cell의 크기에 맞게 반복합니다.
for (let x = bounds.left; x < bounds.left + bounds.width; x += cell.width) { for (let x = bounds.left; x < bounds.left + bounds.width; x += cell.width) {
for ( for (
@ -69,10 +71,9 @@ export default class QPolygon extends fabric.Polygon {
y += cell.height y += cell.height
) { ) {
// 각 위치에 cell을 생성합니다. // 각 위치에 cell을 생성합니다.
const rect = new QRect({ const rect = new fabric.Rect({
left: x, left: x,
top: y, top: y,
viewLengthText: true,
width: cell.width, width: cell.width,
height: cell.height, height: cell.height,
fill: 'transparent', fill: 'transparent',
@ -88,9 +89,11 @@ export default class QPolygon extends fabric.Polygon {
new fabric.Point(rect.left + rect.width, rect.top + rect.height), new fabric.Point(rect.left + rect.width, rect.top + rect.height),
] ]
console.log(rectPoints)
// 모든 꼭지점이 사다리꼴 내부에 있는지 확인합니다. // 모든 꼭지점이 사다리꼴 내부에 있는지 확인합니다.
const isInside = rectPoints.every((rectPoint) => const isInside = rectPoints.every((rectPoint) =>
this.group.containsPoint(rectPoint), this.inPolygon(rectPoint),
) )
// 모든 꼭지점이 사다리꼴 내부에 있을 경우에만 사각형을 그립니다. // 모든 꼭지점이 사다리꼴 내부에 있을 경우에만 사각형을 그립니다.
@ -103,4 +106,46 @@ export default class QPolygon extends fabric.Polygon {
// 캔버스를 다시 그립니다. // 캔버스를 다시 그립니다.
this.group.canvas.renderAll() this.group.canvas.renderAll()
} }
getPoints() {
return this.points
}
getInfo() {
return this
}
inPolygon(point) {
const vertices = this.getPoints()
let intersects = 0
for (let i = 0; i < vertices.length; i++) {
let vertex1 = vertices[i]
let vertex2 = vertices[(i + 1) % vertices.length]
if (vertex1.y > vertex2.y) {
let tmp = vertex1
vertex1 = vertex2
vertex2 = tmp
}
if (point.y === vertex1.y || point.y === vertex2.y) {
point.y += 0.01
}
if (point.y <= vertex1.y || point.y > vertex2.y) {
continue
}
let xInt =
((point.y - vertex1.y) * (vertex2.x - vertex1.x)) /
(vertex2.y - vertex1.y) +
vertex1.x
if (xInt < point.x) {
intersects++
}
}
return intersects % 2 === 1
}
} }

View File

@ -19,7 +19,7 @@ export default class QRect extends fabric.Rect {
#makeGroupItem(groupItems) { #makeGroupItem(groupItems) {
const group = new fabric.Group(groupItems, { const group = new fabric.Group(groupItems, {
selectable: false, selectable: this.selectable,
type: 'QRect', type: 'QRect',
canvas: this.canvas, canvas: this.canvas,
}) })
@ -61,4 +61,8 @@ export default class QRect extends fabric.Rect {
this.#makeGroupItem(groupItems) this.#makeGroupItem(groupItems)
} }
getInfo() {
return this
}
} }

View File

@ -9,6 +9,7 @@ export const Mode = {
TEMPLATE: 'template', TEMPLATE: 'template',
TEXTBOX: 'textbox', TEXTBOX: 'textbox',
DRAW_RECT: 'drawRect', DRAW_RECT: 'drawRect',
DEFAULT: 'default',
} }
export function useMode() { export function useMode() {
@ -21,6 +22,9 @@ export function useMode() {
const addEvent = (mode) => { const addEvent = (mode) => {
switch (mode) { switch (mode) {
case 'default':
canvas?.off('mouse:down')
break
case 'drawLine': case 'drawLine':
drawLineMode() drawLineMode()
break break
@ -349,12 +353,14 @@ export function useMode() {
stroke: 'black', stroke: 'black',
fill: 'transparent', fill: 'transparent',
viewLengthText: true, viewLengthText: true,
selectable: false, selectable: true,
}) })
// 새로운 다각형 객체를 캔버스에 추가합니다. // 새로운 다각형 객체를 캔버스에 추가합니다.
canvas.add(polygon) canvas.add(polygon)
console.log(polygon.getPoints())
polygon.fillCell() polygon.fillCell()
} }