tldraw/state/shape-utils/dot.tsx
2021-07-09 20:52:08 +01:00

73 lines
1.6 KiB
TypeScript

import { getFromCache, uniqueId } from 'utils/utils'
import { DotShape, ShapeType } from 'types'
import { intersectCircleBounds } from 'utils/intersections'
import { boundsContained, translateBounds } from 'utils'
import { defaultStyle, getShapeStyle } from 'state/shape-styles'
import { registerShapeUtils } from './register'
const dot = registerShapeUtils<DotShape>({
boundsCache: new WeakMap([]),
defaultProps: {
id: uniqueId(),
type: ShapeType.Dot,
name: 'Dot',
parentId: 'page1',
childIndex: 0,
point: [0, 0],
rotation: 0,
style: defaultStyle,
},
render(shape) {
const styles = getShapeStyle(shape.style)
return <use href="#dot" stroke={styles.stroke} fill={styles.stroke} />
},
getBounds(shape) {
const bounds = getFromCache(this.boundsCache, shape, (cache) => {
cache.set(shape, {
minX: 0,
maxX: 1,
minY: 0,
maxY: 1,
width: 1,
height: 1,
})
})
return translateBounds(bounds, shape.point)
},
getRotatedBounds(shape) {
return this.getBounds(shape)
},
getCenter(shape) {
return shape.point
},
hitTest() {
return true
},
hitTestBounds(this, shape, brushBounds) {
const shapeBounds = this.getBounds(shape)
return (
boundsContained(shapeBounds, brushBounds) ||
intersectCircleBounds(shape.point, 4, brushBounds).length > 0
)
},
transform(shape, bounds) {
shape.point = [bounds.minX, bounds.minY]
return this
},
canTransform: false,
canChangeAspectRatio: false,
})
export default dot