{
  "version": 3,
  "sources": ["../../../../../src/lib/tools/SelectTool/childStates/ScribbleBrushing.ts"],
  "sourcesContent": ["import {\n\tBox,\n\tGeometry2d,\n\tStateNode,\n\tTLShape,\n\tTLShapeId,\n\tVec,\n\tintersectLineSegmentPolygon,\n\tpointInPolygon,\n} from '@tldraw/editor'\n\nexport class ScribbleBrushing extends StateNode {\n\tstatic override id = 'scribble_brushing'\n\n\thits = new Set<TLShapeId>()\n\n\tsize = 0\n\n\tscribbleId = 'id'\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.getShiftKey() ? this.editor.getSelectedShapeIds() : []\n\t\t)\n\t\tthis.newlySelectedShapeIds = new Set<TLShapeId>()\n\t\tthis.size = 0\n\t\tthis.hits.clear()\n\n\t\tconst scribbleItem = this.editor.scribbles.addScribble({\n\t\t\tcolor: 'selection-stroke',\n\t\t\topacity: 0.32,\n\t\t\tsize: 12,\n\t\t})\n\n\t\tthis.scribbleId = scribbleItem.id\n\n\t\tthis.updateScribbleSelection(true)\n\n\t\tthis.editor.updateInstanceState({ brush: null })\n\t}\n\n\toverride onExit() {\n\t\tthis.editor.scribbles.stop(this.scribbleId)\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.getAltKey()) {\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() {\n\t\tthis.cancel()\n\t}\n\n\toverride onComplete() {\n\t\tthis.complete()\n\t}\n\n\tprivate pushPointToScribble() {\n\t\tconst { x, y } = this.editor.inputs.getCurrentPagePoint()\n\t\tthis.editor.scribbles.addPoint(this.scribbleId, x, y)\n\t}\n\n\tprivate updateScribbleSelection(addPoint: boolean) {\n\t\tconst { editor } = this\n\t\tconst shiftKey = this.editor.inputs.getShiftKey()\n\t\tconst originPagePoint = this.editor.inputs.getOriginPagePoint()\n\t\tconst previousPagePoint = this.editor.inputs.getPreviousPagePoint()\n\t\tconst currentPagePoint = this.editor.inputs.getCurrentPagePoint()\n\n\t\tconst { newlySelectedShapeIds, initialSelectedShapeIds } = this\n\n\t\tif (addPoint) {\n\t\t\tthis.pushPointToScribble()\n\t\t}\n\n\t\tconst minDist = 0 // this.editor.options.hitTestMargin / zoomLevel\n\n\t\t// Create bounds around line segment with margin\n\t\tconst lineBounds = Box.FromPoints([previousPagePoint, currentPagePoint]).expandBy(minDist)\n\t\tconst candidateIds = editor.getShapeIdsInsideBounds(lineBounds)\n\n\t\t// Early return if no candidates - avoid expensive getCurrentPageRenderingShapesSorted()\n\t\t// But still update selection based on current state\n\t\tif (candidateIds.size === 0) {\n\t\t\tconst current = editor.getSelectedShapeIds()\n\t\t\tconst next = new Set<TLShapeId>(\n\t\t\t\tshiftKey\n\t\t\t\t\t? [...newlySelectedShapeIds, ...initialSelectedShapeIds]\n\t\t\t\t\t: [...newlySelectedShapeIds]\n\t\t\t)\n\t\t\tif (current.length !== next.size || current.some((id) => !next.has(id))) {\n\t\t\t\tthis.editor.setSelectedShapes(Array.from(next))\n\t\t\t}\n\t\t\treturn\n\t\t}\n\n\t\tconst allShapes = this.editor.getCurrentPageRenderingShapesSorted()\n\t\tconst currentPageShapes = allShapes.filter((shape) => candidateIds.has(shape.id))\n\n\t\tconst shapes = currentPageShapes\n\t\tlet shape: TLShape, geometry: Geometry2d, A: Vec, B: Vec\n\n\t\tfor (let i = 0, n = shapes.length; i < n; i++) {\n\t\t\tshape = shapes[i]\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\teditor.isShapeOfType(shape, 'group') ||\n\t\t\t\tnewlySelectedShapeIds.has(shape.id) ||\n\t\t\t\teditor.isShapeOrAncestorLocked(shape)\n\t\t\t) {\n\t\t\t\tcontinue\n\t\t\t}\n\n\t\t\tgeometry = editor.getShapeGeometry(shape)\n\n\t\t\t// If the scribble started inside of the frame, don't select it\n\t\t\tif (\n\t\t\t\teditor.isShapeOfType(shape, 'frame') &&\n\t\t\t\tgeometry.bounds.containsPoint(editor.getPointInShapeSpace(shape, originPagePoint))\n\t\t\t) {\n\t\t\t\tcontinue\n\t\t\t}\n\n\t\t\t// Hit test the shape using a line segment\n\t\t\tconst pageTransform = editor.getShapePageTransform(shape)\n\t\t\tif (!geometry || !pageTransform) continue\n\t\t\tconst pt = pageTransform.clone().invert()\n\t\t\tA = pt.applyToPoint(previousPagePoint)\n\t\t\tB = pt.applyToPoint(currentPagePoint)\n\n\t\t\t// If the line segment is entirely above / below / left / right of the shape's bounding box, skip the hit test\n\t\t\tconst { bounds } = geometry\n\t\t\tif (\n\t\t\t\tbounds.minX - minDist > Math.max(A.x, B.x) ||\n\t\t\t\tbounds.minY - minDist > Math.max(A.y, B.y) ||\n\t\t\t\tbounds.maxX + minDist < Math.min(A.x, B.x) ||\n\t\t\t\tbounds.maxY + minDist < Math.min(A.y, B.y)\n\t\t\t) {\n\t\t\t\tcontinue\n\t\t\t}\n\n\t\t\tif (geometry.hitTestLineSegment(A, B, minDist)) {\n\t\t\t\tconst outermostShape = this.editor.getOutermostSelectableShape(shape)\n\t\t\t\tconst pageMask = this.editor.getShapeMask(outermostShape.id)\n\t\t\t\tif (pageMask) {\n\t\t\t\t\tconst intersection = intersectLineSegmentPolygon(\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\tconst current = editor.getSelectedShapeIds()\n\t\tconst next = new Set<TLShapeId>(\n\t\t\tshiftKey ? [...newlySelectedShapeIds, ...initialSelectedShapeIds] : [...newlySelectedShapeIds]\n\t\t)\n\t\tif (current.length !== next.size || current.some((id) => !next.has(id))) {\n\t\t\tthis.editor.setSelectedShapes(Array.from(next))\n\t\t}\n\t}\n\n\tprivate complete() {\n\t\tthis.updateScribbleSelection(true)\n\t\tthis.parent.transition('idle')\n\t}\n\n\tprivate cancel() {\n\t\tthis.editor.setSelectedShapes([...this.initialSelectedShapeIds])\n\t\tthis.parent.transition('idle')\n\t}\n}\n"],
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