kopia lustrzana https://github.com/Tldraw/Tldraw
120 wiersze
2.4 KiB
TypeScript
120 wiersze
2.4 KiB
TypeScript
import { v4 as uuid } from "uuid"
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import * as vec from "utils/vec"
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import { LineShape, ShapeType } from "types"
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import { registerShapeUtils } from "./index"
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import { boundsContained } from "utils/bounds"
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import { intersectCircleBounds } from "utils/intersections"
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import { DotCircle } from "components/canvas/misc"
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import { translateBounds } from "utils/utils"
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const line = registerShapeUtils<LineShape>({
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boundsCache: new WeakMap([]),
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create(props) {
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return {
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id: uuid(),
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type: ShapeType.Line,
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isGenerated: false,
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name: "Line",
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parentId: "page0",
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childIndex: 0,
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point: [0, 0],
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direction: [0, 0],
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rotation: 0,
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style: {
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fill: "#c6cacb",
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stroke: "#000",
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},
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...props,
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}
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},
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render({ id, direction }) {
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const [x1, y1] = vec.add([0, 0], vec.mul(direction, 100000))
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const [x2, y2] = vec.sub([0, 0], vec.mul(direction, 100000))
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return (
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<g id={id}>
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<line x1={x1} y1={y1} x2={x2} y2={y2} />
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<DotCircle cx={0} cy={0} r={3} />
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</g>
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)
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},
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applyStyles(shape, style) {
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Object.assign(shape.style, style)
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return this
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},
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getBounds(shape) {
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if (!this.boundsCache.has(shape)) {
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const bounds = {
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minX: 0,
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maxX: 1,
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minY: 0,
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maxY: 1,
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width: 1,
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height: 1,
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}
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this.boundsCache.set(shape, bounds)
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}
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return translateBounds(this.boundsCache.get(shape), shape.point)
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},
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getRotatedBounds(shape) {
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return this.getBounds(shape)
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},
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getCenter(shape) {
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return shape.point
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},
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hitTest(shape, test) {
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return true
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},
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hitTestBounds(this, shape, brushBounds) {
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const shapeBounds = this.getBounds(shape)
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return (
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boundsContained(shapeBounds, brushBounds) ||
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intersectCircleBounds(shape.point, 4, brushBounds).length > 0
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)
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},
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rotateTo(shape) {
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return this
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},
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translateTo(shape, point) {
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shape.point = point
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return this
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},
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transform(shape, bounds) {
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shape.point = [bounds.minX, bounds.minY]
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return this
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},
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transformSingle(shape, bounds, info) {
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return this.transform(shape, bounds, info)
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},
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setParent(shape, parentId) {
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shape.parentId = parentId
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return this
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},
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setChildIndex(shape, childIndex) {
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shape.childIndex = childIndex
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return this
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},
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canTransform: false,
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canChangeAspectRatio: false,
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})
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export default line
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