{
  "version": 3,
  "sources": ["../../../../../src/lib/tools/SelectTool/children/ScribbleBrushing.ts"],
  "sourcesContent": ["import {\n\tGeometry2d,\n\tHIT_TEST_MARGIN,\n\tStateNode,\n\tTLEventHandlers,\n\tTLFrameShape,\n\tTLGroupShape,\n\tTLScribble,\n\tTLShape,\n\tTLShapeId,\n\tVec2d,\n\tintersectLineSegmentPolyline,\n\tpointInPolygon,\n} from '@tldraw/editor'\nimport { ScribbleManager } from '../../../shapes/shared/ScribbleManager'\n\nexport class ScribbleBrushing extends StateNode {\n\tstatic override id = 'scribble_brushing'\n\n\thits = new Set<TLShapeId>()\n\n\tsize = 0\n\n\tscribble = {} as ScribbleManager\n\n\tinitialSelectedShapeIds = new Set<TLShapeId>()\n\tnewlySelectedShapeIds = new Set<TLShapeId>()\n\n\toverride onEnter = () => {\n\t\tthis.initialSelectedShapeIds = new Set<TLShapeId>(\n\t\t\tthis.editor.inputs.shiftKey ? this.editor.selectedShapeIds : []\n\t\t)\n\t\tthis.newlySelectedShapeIds = new Set<TLShapeId>()\n\t\tthis.size = 0\n\t\tthis.hits.clear()\n\n\t\tthis.startScribble()\n\n\t\tthis.updateScribbleSelection(true)\n\n\t\trequestAnimationFrame(() => {\n\t\t\tthis.editor.updateInstanceState({ brush: null })\n\t\t})\n\t}\n\n\toverride onExit = () => {\n\t\tthis.scribble.stop()\n\t}\n\n\toverride onPointerMove = () => {\n\t\tthis.updateScribbleSelection(true)\n\t}\n\n\toverride onPointerUp = () => {\n\t\tthis.complete()\n\t}\n\n\toverride onKeyDown = () => {\n\t\tthis.updateScribbleSelection(false)\n\t}\n\n\toverride onKeyUp = () => {\n\t\tif (!this.editor.inputs.altKey) {\n\t\t\tthis.parent.transition('brushing', {})\n\t\t} else {\n\t\t\tthis.updateScribbleSelection(false)\n\t\t}\n\t}\n\n\toverride onCancel: TLEventHandlers['onCancel'] = () => {\n\t\tthis.cancel()\n\t}\n\n\toverride onComplete: TLEventHandlers['onComplete'] = () => {\n\t\tthis.complete()\n\t}\n\n\tprivate startScribble = () => {\n\t\tif (this.scribble.tick) {\n\t\t\tthis.editor.off('tick', this.scribble?.tick)\n\t\t}\n\n\t\tthis.scribble = new ScribbleManager({\n\t\t\tonUpdate: this.onScribbleUpdate,\n\t\t\tonComplete: this.onScribbleComplete,\n\t\t\tcolor: 'selection-stroke',\n\t\t\topacity: 0.32,\n\t\t\tsize: 12,\n\t\t})\n\n\t\tthis.editor.on('tick', this.scribble.tick)\n\t}\n\n\tprivate pushPointToScribble = () => {\n\t\tconst { x, y } = this.editor.inputs.currentPagePoint\n\t\tthis.scribble.addPoint(x, y)\n\t}\n\n\tprivate onScribbleUpdate = (scribble: TLScribble) => {\n\t\tthis.editor.updateInstanceState({ scribble })\n\t}\n\n\tprivate onScribbleComplete = () => {\n\t\tthis.editor.off('tick', this.scribble.tick)\n\t\tthis.editor.updateInstanceState({ scribble: null })\n\t}\n\n\tprivate updateScribbleSelection(addPoint: boolean) {\n\t\tconst {\n\t\t\tzoomLevel,\n\t\t\tcurrentPageShapes: currentPageShapes,\n\t\t\tinputs: { shiftKey, originPagePoint, previousPagePoint, currentPagePoint },\n\t\t} = this.editor\n\n\t\tconst { newlySelectedShapeIds, initialSelectedShapeIds } = this\n\n\t\tif (addPoint) {\n\t\t\tthis.pushPointToScribble()\n\t\t}\n\n\t\tconst shapes = currentPageShapes\n\t\tlet shape: TLShape, geometry: Geometry2d, A: Vec2d, B: Vec2d\n\n\t\tfor (let i = 0, n = shapes.length; i < n; i++) {\n\t\t\tshape = shapes[i]\n\t\t\tgeometry = this.editor.getShapeGeometry(shape)\n\n\t\t\t// If the shape is a group or is already selected or locked, don't select it\n\t\t\tif (\n\t\t\t\tthis.editor.isShapeOfType<TLGroupShape>(shape, 'group') ||\n\t\t\t\tnewlySelectedShapeIds.has(shape.id) ||\n\t\t\t\tthis.editor.isShapeOrAncestorLocked(shape)\n\t\t\t) {\n\t\t\t\tcontinue\n\t\t\t}\n\n\t\t\t// If the scribble started inside of the frame, don't select it\n\t\t\tif (this.editor.isShapeOfType<TLFrameShape>(shape, 'frame')) {\n\t\t\t\tconst point = this.editor.getPointInShapeSpace(shape, originPagePoint)\n\t\t\t\tif (geometry.bounds.containsPoint(point)) {\n\t\t\t\t\tcontinue\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tA = this.editor.getPointInShapeSpace(shape, previousPagePoint)\n\t\t\tB = this.editor.getPointInShapeSpace(shape, currentPagePoint)\n\t\t\tif (geometry.hitTestLineSegment(A, B, HIT_TEST_MARGIN / zoomLevel)) {\n\t\t\t\tconst outermostShape = this.editor.getOutermostSelectableShape(shape)\n\n\t\t\t\tconst pageMask = this.editor.getShapeMask(outermostShape.id)\n\n\t\t\t\tif (pageMask) {\n\t\t\t\t\tconst intersection = intersectLineSegmentPolyline(\n\t\t\t\t\t\tpreviousPagePoint,\n\t\t\t\t\t\tcurrentPagePoint,\n\t\t\t\t\t\tpageMask\n\t\t\t\t\t)\n\t\t\t\t\tif (intersection !== null) {\n\t\t\t\t\t\tconst isInMask = pointInPolygon(currentPagePoint, pageMask)\n\t\t\t\t\t\tif (!isInMask) continue\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tnewlySelectedShapeIds.add(outermostShape.id)\n\t\t\t}\n\t\t}\n\n\t\tthis.editor.setSelectedShapes(\n\t\t\t[\n\t\t\t\t...new Set<TLShapeId>(\n\t\t\t\t\tshiftKey\n\t\t\t\t\t\t? [...newlySelectedShapeIds, ...initialSelectedShapeIds]\n\t\t\t\t\t\t: [...newlySelectedShapeIds]\n\t\t\t\t),\n\t\t\t],\n\t\t\t{ squashing: true }\n\t\t)\n\t}\n\n\tprivate complete() {\n\t\tthis.parent.transition('idle', {})\n\t}\n\n\tprivate cancel() {\n\t\tthis.editor.setSelectedShapes([...this.initialSelectedShapeIds], { squashing: true })\n\t\tthis.parent.transition('idle', {})\n\t}\n}\n"],
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