148 lines
3.2 KiB
TypeScript
148 lines
3.2 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"
|
|
|
|
const ellipse = registerShapeUtils<EllipseShape>({
|
|
boundsCache: new WeakMap([]),
|
|
|
|
create(props) {
|
|
return {
|
|
id: uuid(),
|
|
type: ShapeType.Ellipse,
|
|
isGenerated: false,
|
|
name: "Ellipse",
|
|
parentId: "page0",
|
|
childIndex: 0,
|
|
point: [0, 0],
|
|
radiusX: 1,
|
|
radiusY: 1,
|
|
rotation: 0,
|
|
style: {
|
|
fill: "#c6cacb",
|
|
stroke: "#000",
|
|
},
|
|
...props,
|
|
}
|
|
},
|
|
|
|
render({ id, radiusX, radiusY }) {
|
|
return (
|
|
<ellipse id={id} cx={radiusX} cy={radiusY} rx={radiusX} ry={radiusY} />
|
|
)
|
|
},
|
|
|
|
applyStyles(shape, style) {
|
|
Object.assign(shape.style, style)
|
|
return this
|
|
},
|
|
|
|
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
|
|
)
|
|
},
|
|
|
|
rotateTo(shape, rotation) {
|
|
shape.rotation = rotation
|
|
return this
|
|
},
|
|
|
|
translateTo(shape, point) {
|
|
shape.point = point
|
|
return this
|
|
},
|
|
|
|
transform(shape, bounds, { scaleX, scaleY, initialShape }) {
|
|
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)
|
|
},
|
|
|
|
setParent(shape, parentId) {
|
|
shape.parentId = parentId
|
|
return this
|
|
},
|
|
|
|
setChildIndex(shape, childIndex) {
|
|
shape.childIndex = childIndex
|
|
return this
|
|
},
|
|
|
|
canTransform: true,
|
|
canChangeAspectRatio: true,
|
|
})
|
|
|
|
export default ellipse
|