tldraw/dist-esm/lib/tools/EraserTool/childStates/Erasing.mjs.map

A tiny little drawing editor.

{
  "version": 3,
  "sources": ["../../../../../src/lib/tools/EraserTool/childStates/Erasing.ts"],
  "sourcesContent": ["import {\n\tStateNode,\n\tTLFrameShape,\n\tTLGroupShape,\n\tTLPointerEventInfo,\n\tTLShapeId,\n\tpointInPolygon,\n} from '@tldraw/editor'\n\nexport class Erasing extends StateNode {\n\tstatic override id = 'erasing'\n\n\tprivate info = {} as TLPointerEventInfo\n\tprivate scribbleId = 'id'\n\tprivate markId = ''\n\tprivate excludedShapeIds = new Set<TLShapeId>()\n\n\toverride onEnter(info: TLPointerEventInfo) {\n\t\tthis.markId = this.editor.markHistoryStoppingPoint('erase scribble begin')\n\t\tthis.info = info\n\n\t\tconst { originPagePoint } = this.editor.inputs\n\t\tthis.excludedShapeIds = new Set(\n\t\t\tthis.editor\n\t\t\t\t.getCurrentPageShapes()\n\t\t\t\t.filter((shape) => {\n\t\t\t\t\t//If the shape is locked, we shouldn't erase it\n\t\t\t\t\tif (this.editor.isShapeOrAncestorLocked(shape)) return true\n\t\t\t\t\t//If the shape is a group or frame, check we're inside it when we start erasing\n\t\t\t\t\tif (\n\t\t\t\t\t\tthis.editor.isShapeOfType<TLGroupShape>(shape, 'group') ||\n\t\t\t\t\t\tthis.editor.isShapeOfType<TLFrameShape>(shape, 'frame')\n\t\t\t\t\t) {\n\t\t\t\t\t\tconst pointInShapeShape = this.editor.getPointInShapeSpace(shape, originPagePoint)\n\t\t\t\t\t\tconst geometry = this.editor.getShapeGeometry(shape)\n\t\t\t\t\t\treturn geometry.bounds.containsPoint(pointInShapeShape)\n\t\t\t\t\t}\n\n\t\t\t\t\treturn false\n\t\t\t\t})\n\t\t\t\t.map((shape) => shape.id)\n\t\t)\n\n\t\tconst scribble = this.editor.scribbles.addScribble({\n\t\t\tcolor: 'muted-1',\n\t\t\tsize: 12,\n\t\t})\n\t\tthis.scribbleId = scribble.id\n\n\t\tthis.update()\n\t}\n\n\tprivate pushPointToScribble() {\n\t\tconst { x, y } = this.editor.inputs.currentPagePoint\n\t\tthis.editor.scribbles.addPoint(this.scribbleId, x, y)\n\t}\n\n\toverride onExit() {\n\t\tthis.editor.setErasingShapes([])\n\t\tthis.editor.scribbles.stop(this.scribbleId)\n\t}\n\n\toverride onPointerMove() {\n\t\tthis.update()\n\t}\n\n\toverride onPointerUp() {\n\t\tthis.complete()\n\t}\n\n\toverride onCancel() {\n\t\tthis.cancel()\n\t}\n\n\toverride onComplete() {\n\t\tthis.complete()\n\t}\n\n\tupdate() {\n\t\tconst { editor, excludedShapeIds } = this\n\t\tconst erasingShapeIds = editor.getErasingShapeIds()\n\t\tconst zoomLevel = editor.getZoomLevel()\n\t\tconst currentPageShapes = editor.getCurrentPageRenderingShapesSorted()\n\t\tconst {\n\t\t\tinputs: { currentPagePoint, previousPagePoint },\n\t\t} = editor\n\n\t\tthis.pushPointToScribble()\n\n\t\tconst erasing = new Set<TLShapeId>(erasingShapeIds)\n\t\tconst minDist = this.editor.options.hitTestMargin / zoomLevel\n\n\t\tfor (const shape of currentPageShapes) {\n\t\t\tif (editor.isShapeOfType<TLGroupShape>(shape, 'group')) continue\n\n\t\t\t// Avoid testing masked shapes, unless the pointer is inside the mask\n\t\t\tconst pageMask = editor.getShapeMask(shape.id)\n\t\t\tif (pageMask && !pointInPolygon(currentPagePoint, pageMask)) {\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 geometry = editor.getShapeGeometry(shape)\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\tconst A = pt.applyToPoint(previousPagePoint)\n\t\t\tconst B = 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\terasing.add(editor.getOutermostSelectableShape(shape).id)\n\t\t\t}\n\t\t}\n\n\t\t// Remove the hit shapes, except if they're in the list of excluded shapes\n\t\t// (these excluded shapes will be any frames or groups the pointer was inside of\n\t\t// when the user started erasing)\n\t\tthis.editor.setErasingShapes([...erasing].filter((id) => !excludedShapeIds.has(id)))\n\t}\n\n\tcomplete() {\n\t\tconst { editor } = this\n\t\teditor.deleteShapes(editor.getCurrentPageState().erasingShapeIds)\n\t\tthis.parent.transition('idle')\n\t}\n\n\tcancel() {\n\t\tconst { editor } = this\n\t\teditor.bailToMark(this.markId)\n\t\tthis.parent.transition('idle', this.info)\n\t}\n}\n"],
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