131 lines
3 KiB
TypeScript
131 lines
3 KiB
TypeScript
import { v4 as uuid } from 'uuid'
|
|
import * as vec from 'utils/vec'
|
|
import { EllipseShape, ShapeType } from 'types'
|
|
import { registerShapeUtils } from './index'
|
|
import { boundsContained, getRotatedEllipseBounds } from 'utils/bounds'
|
|
import { intersectEllipseBounds } from 'utils/intersections'
|
|
import { pointInEllipse } from 'utils/hitTests'
|
|
import {
|
|
getBoundsFromPoints,
|
|
getRotatedCorners,
|
|
rotateBounds,
|
|
translateBounds,
|
|
} from 'utils/utils'
|
|
import { defaultStyle, getShapeStyle } from 'lib/shape-styles'
|
|
|
|
const ellipse = registerShapeUtils<EllipseShape>({
|
|
boundsCache: new WeakMap([]),
|
|
|
|
create(props) {
|
|
return {
|
|
id: uuid(),
|
|
seed: Math.random(),
|
|
type: ShapeType.Ellipse,
|
|
isGenerated: false,
|
|
name: 'Ellipse',
|
|
parentId: 'page0',
|
|
childIndex: 0,
|
|
point: [0, 0],
|
|
radiusX: 1,
|
|
radiusY: 1,
|
|
rotation: 0,
|
|
isAspectRatioLocked: false,
|
|
isLocked: false,
|
|
isHidden: false,
|
|
style: defaultStyle,
|
|
...props,
|
|
}
|
|
},
|
|
|
|
render({ id, radiusX, radiusY, style }) {
|
|
const styles = getShapeStyle(style)
|
|
return (
|
|
<ellipse
|
|
id={id}
|
|
cx={radiusX}
|
|
cy={radiusY}
|
|
rx={Math.max(0, radiusX - Number(styles.strokeWidth) / 2)}
|
|
ry={Math.max(0, radiusY - Number(styles.strokeWidth) / 2)}
|
|
/>
|
|
)
|
|
},
|
|
|
|
getBounds(shape) {
|
|
if (!this.boundsCache.has(shape)) {
|
|
const { radiusX, radiusY } = shape
|
|
|
|
const bounds = {
|
|
minX: 0,
|
|
minY: 0,
|
|
maxX: radiusX * 2,
|
|
maxY: radiusY * 2,
|
|
width: radiusX * 2,
|
|
height: radiusY * 2,
|
|
}
|
|
|
|
this.boundsCache.set(shape, bounds)
|
|
}
|
|
|
|
return translateBounds(this.boundsCache.get(shape), shape.point)
|
|
},
|
|
|
|
getRotatedBounds(shape) {
|
|
return getRotatedEllipseBounds(
|
|
shape.point[0],
|
|
shape.point[1],
|
|
shape.radiusX,
|
|
shape.radiusY,
|
|
shape.rotation
|
|
)
|
|
},
|
|
|
|
getCenter(shape) {
|
|
return [shape.point[0] + shape.radiusX, shape.point[1] + shape.radiusY]
|
|
},
|
|
|
|
hitTest(shape, point) {
|
|
return pointInEllipse(
|
|
point,
|
|
vec.add(shape.point, [shape.radiusX, shape.radiusY]),
|
|
shape.radiusX,
|
|
shape.radiusY,
|
|
shape.rotation
|
|
)
|
|
},
|
|
|
|
hitTestBounds(this, shape, brushBounds) {
|
|
const shapeBounds = this.getBounds(shape)
|
|
|
|
return (
|
|
boundsContained(shapeBounds, brushBounds) ||
|
|
intersectEllipseBounds(
|
|
vec.add(shape.point, [shape.radiusX, shape.radiusY]),
|
|
shape.radiusX,
|
|
shape.radiusY,
|
|
brushBounds,
|
|
shape.rotation
|
|
).length > 0
|
|
)
|
|
},
|
|
|
|
transform(shape, bounds, { scaleX, scaleY, initialShape }) {
|
|
// TODO: Locked aspect ratio transform
|
|
|
|
shape.point = [bounds.minX, bounds.minY]
|
|
shape.radiusX = bounds.width / 2
|
|
shape.radiusY = bounds.height / 2
|
|
|
|
shape.rotation =
|
|
(scaleX < 0 && scaleY >= 0) || (scaleY < 0 && scaleX >= 0)
|
|
? -initialShape.rotation
|
|
: initialShape.rotation
|
|
|
|
return this
|
|
},
|
|
|
|
transformSingle(shape, bounds, info) {
|
|
return this.transform(shape, bounds, info)
|
|
},
|
|
})
|
|
|
|
export default ellipse
|