tldraw/lib/shapes/dot.tsx
2021-05-17 22:27:18 +01:00

96 lines
1.8 KiB
TypeScript

import { v4 as uuid } from "uuid"
import * as vec from "utils/vec"
import { DotShape, ShapeType } from "types"
import { createShape } from "./index"
import { boundsContained } from "utils/bounds"
import { intersectCircleBounds } from "utils/intersections"
import styled from "styles"
import { DotCircle } from "components/canvas/misc"
const dot = createShape<DotShape>({
boundsCache: new WeakMap([]),
create(props) {
return {
id: uuid(),
type: ShapeType.Dot,
isGenerated: false,
name: "Dot",
parentId: "page0",
childIndex: 0,
point: [0, 0],
rotation: 0,
style: {
fill: "rgba(142, 143, 142, 1.000)",
stroke: "#000",
},
...props,
}
},
render({ id }) {
return <DotCircle id={id} cx={0} cy={0} r={4} />
},
getBounds(shape) {
if (this.boundsCache.has(shape)) {
return this.boundsCache.get(shape)
}
const {
point: [x, y],
} = shape
const bounds = {
minX: x,
maxX: x + 1,
minY: y,
maxY: y + 1,
width: 1,
height: 1,
}
this.boundsCache.set(shape, bounds)
return bounds
},
getCenter(shape) {
return shape.point
},
hitTest(shape, test) {
return true
},
hitTestBounds(this, shape, brushBounds) {
const shapeBounds = this.getBounds(shape)
return (
boundsContained(shapeBounds, brushBounds) ||
intersectCircleBounds(shape.point, 4, brushBounds).length > 0
)
},
rotate(shape) {
return shape
},
scale(shape, scale: number) {
return shape
},
translate(shape, delta) {
shape.point = vec.add(shape.point, delta)
return shape
},
transform(shape, bounds) {
shape.point = [bounds.minX, bounds.minY]
return shape
},
canTransform: false,
})
export default dot