121 lines
3 KiB
TypeScript
121 lines
3 KiB
TypeScript
import { uniqueId } from 'utils/utils'
|
|
import vec from 'utils/vec'
|
|
import { PolylineShape, ShapeType } from 'types'
|
|
import { intersectPolylineBounds } from 'utils/intersections'
|
|
import { boundsContainPolygon } from 'utils/bounds'
|
|
import { getBoundsFromPoints, translateBounds } from 'utils/utils'
|
|
import { defaultStyle } from 'state/shape-styles'
|
|
import { registerShapeUtils } from './register'
|
|
|
|
const polyline = registerShapeUtils<PolylineShape>({
|
|
boundsCache: new WeakMap([]),
|
|
|
|
create(props) {
|
|
return {
|
|
id: uniqueId(),
|
|
seed: Math.random(),
|
|
type: ShapeType.Polyline,
|
|
isGenerated: false,
|
|
name: 'Polyline',
|
|
parentId: 'page1',
|
|
childIndex: 0,
|
|
point: [0, 0],
|
|
points: [[0, 0]],
|
|
rotation: 0,
|
|
isAspectRatioLocked: false,
|
|
isLocked: false,
|
|
isHidden: false,
|
|
style: defaultStyle,
|
|
...props,
|
|
}
|
|
},
|
|
|
|
render({ id, points }) {
|
|
return <polyline id={id} points={points.toString()} />
|
|
},
|
|
|
|
getBounds(shape) {
|
|
if (!this.boundsCache.has(shape)) {
|
|
this.boundsCache.set(shape, getBoundsFromPoints(shape.points))
|
|
}
|
|
|
|
return translateBounds(this.boundsCache.get(shape), shape.point)
|
|
},
|
|
|
|
getRotatedBounds(shape) {
|
|
return this.getBounds(shape)
|
|
},
|
|
|
|
getCenter(shape) {
|
|
const bounds = this.getBounds(shape)
|
|
return [bounds.minX + bounds.width / 2, bounds.minY + bounds.height / 2]
|
|
},
|
|
|
|
hitTest(shape, point) {
|
|
const pt = vec.sub(point, shape.point)
|
|
let prev = shape.points[0]
|
|
|
|
for (let i = 1; i < shape.points.length; i++) {
|
|
const curr = shape.points[i]
|
|
if (vec.distanceToLineSegment(prev, curr, pt) < 4) {
|
|
return true
|
|
}
|
|
prev = curr
|
|
}
|
|
|
|
return false
|
|
},
|
|
|
|
hitTestBounds(this, shape, brushBounds) {
|
|
const b = this.getBounds(shape)
|
|
const center = [b.minX + b.width / 2, b.minY + b.height / 2]
|
|
|
|
const rotatedCorners = [
|
|
[b.minX, b.minY],
|
|
[b.maxX, b.minY],
|
|
[b.maxX, b.maxY],
|
|
[b.minX, b.maxY],
|
|
].map((point) => vec.rotWith(point, center, shape.rotation))
|
|
|
|
return (
|
|
boundsContainPolygon(brushBounds, rotatedCorners) ||
|
|
intersectPolylineBounds(
|
|
shape.points.map((point) => vec.add(point, shape.point)),
|
|
brushBounds
|
|
).length > 0
|
|
)
|
|
},
|
|
|
|
transform(shape, bounds, { initialShape, scaleX, scaleY }) {
|
|
const initialShapeBounds = this.getBounds(initialShape)
|
|
|
|
shape.points = shape.points.map((_, i) => {
|
|
const [x, y] = initialShape.points[i]
|
|
|
|
return [
|
|
bounds.width *
|
|
(scaleX < 0
|
|
? 1 - x / initialShapeBounds.width
|
|
: x / initialShapeBounds.width),
|
|
bounds.height *
|
|
(scaleY < 0
|
|
? 1 - y / initialShapeBounds.height
|
|
: y / initialShapeBounds.height),
|
|
]
|
|
})
|
|
|
|
shape.point = [bounds.minX, bounds.minY]
|
|
return this
|
|
},
|
|
|
|
transformSingle(shape, bounds, info) {
|
|
this.transform(shape, bounds, info)
|
|
return this
|
|
},
|
|
|
|
canTransform: true,
|
|
canChangeAspectRatio: true,
|
|
canStyleFill: false,
|
|
})
|
|
|
|
export default polyline
|