tldraw/lib/shapes/rectangle.tsx
2021-05-14 13:44:23 +01:00

91 lines
1.7 KiB
TypeScript

import { v4 as uuid } from "uuid"
import * as vec from "utils/vec"
import { RectangleShape, ShapeType } from "types"
import { createShape } from "./index"
import { boundsContained, boundsCollide } from "utils/bounds"
const rectangle = createShape<RectangleShape>({
boundsCache: new WeakMap([]),
create(props) {
return {
id: uuid(),
type: ShapeType.Rectangle,
name: "Rectangle",
parentId: "page0",
childIndex: 0,
point: [0, 0],
size: [1, 1],
rotation: 0,
style: {},
...props,
}
},
render({ id, size }) {
return <rect id={id} width={size[0]} height={size[1]} />
},
getBounds(shape) {
if (this.boundsCache.has(shape)) {
return this.boundsCache.get(shape)
}
const {
point: [x, y],
size: [width, height],
} = shape
const bounds = {
minX: x,
maxX: x + width,
minY: y,
maxY: y + height,
width,
height,
}
this.boundsCache.set(shape, bounds)
return bounds
},
hitTest(shape) {
return true
},
hitTestBounds(shape, brushBounds) {
const shapeBounds = this.getBounds(shape)
return (
boundsContained(shapeBounds, brushBounds) ||
boundsCollide(shapeBounds, brushBounds)
)
},
rotate(shape) {
return shape
},
translate(shape, delta) {
shape.point = vec.add(shape.point, delta)
return shape
},
scale(shape, scale) {
return shape
},
stretch(shape, scaleX, scaleY) {
shape.size = vec.mulV(shape.size, [scaleX, scaleY])
return shape
},
transform(shape, bounds) {
shape.point = [bounds.minX, bounds.minY]
shape.size = [bounds.width, bounds.height]
return shape
},
})
export default rectangle