{
  "version": 3,
  "sources": ["../src/denormalise.ts"],
  "sourcesContent": ["import cloneDeep from 'lodash/cloneDeep'\n\nimport logger from './util/logger'\n\nimport type {\n    ArcEntity,\n    Block,\n    CircleEntity,\n    DimensionEntity,\n    EllipseEntity,\n    Entity,\n    InsertEntity,\n    LineEntity,\n    MTextEntity,\n    ParsedDXF,\n    PolylineEntity,\n    SplineEntity,\n    TextEntity,\n    Transform,\n} from './types'\n\ntype BlockBasePointAdjuster = (entity: Entity, block: Block) => void\n\nfunction adjustLineForBlockBasePoint(entity: Entity, block: Block): void {\n  const line = entity as LineEntity\n  line.start.x -= block.x\n  line.start.y -= block.y\n  line.end.x -= block.x\n  line.end.y -= block.y\n}\n\nfunction adjustPolylineForBlockBasePoint(entity: Entity, block: Block): void {\n  const poly = entity as PolylineEntity\n  for (const v of poly.vertices) {\n    if (v.x !== undefined) v.x -= block.x\n    if (v.y !== undefined) v.y -= block.y\n  }\n}\n\nfunction adjustCircleForBlockBasePoint(entity: Entity, block: Block): void {\n  const circle = entity as CircleEntity\n  circle.x -= block.x\n  circle.y -= block.y\n}\n\nfunction adjustEllipseForBlockBasePoint(entity: Entity, block: Block): void {\n  const ellipse = entity as EllipseEntity\n  ellipse.x -= block.x\n  ellipse.y -= block.y\n}\n\nfunction adjustArcForBlockBasePoint(entity: Entity, block: Block): void {\n  const arc = entity as ArcEntity\n  arc.x -= block.x\n  arc.y -= block.y\n}\n\nfunction adjustSplineForBlockBasePoint(entity: Entity, block: Block): void {\n  const spline = entity as SplineEntity\n  for (const cp of spline.controlPoints) {\n    cp.x -= block.x\n    cp.y -= block.y\n  }\n}\n\nfunction adjustTextForBlockBasePoint(entity: Entity, block: Block): void {\n  const text = entity as TextEntity\n  if (text.x !== undefined) text.x -= block.x\n  if (text.y !== undefined) text.y -= block.y\n  if (text.x2 !== undefined) text.x2 -= block.x\n  if (text.y2 !== undefined) text.y2 -= block.y\n}\n\nfunction adjustMTextForBlockBasePoint(entity: Entity, block: Block): void {\n  const mtext = entity as MTextEntity\n  if (mtext.x !== undefined) mtext.x -= block.x\n  if (mtext.y !== undefined) mtext.y -= block.y\n}\n\nfunction adjustDimensionForBlockBasePoint(entity: Entity, block: Block): void {\n  const dim = entity as DimensionEntity\n  dim.start.x -= block.x\n  dim.start.y -= block.y\n  dim.textMidpoint.x -= block.x\n  dim.textMidpoint.y -= block.y\n  dim.measureStart.x -= block.x\n  dim.measureStart.y -= block.y\n  dim.measureEnd.x -= block.x\n  dim.measureEnd.y -= block.y\n}\n\nconst BLOCK_BASEPOINT_ADJUSTERS: Record<string, BlockBasePointAdjuster> = {\n  LINE: adjustLineForBlockBasePoint,\n  LWPOLYLINE: adjustPolylineForBlockBasePoint,\n  POLYLINE: adjustPolylineForBlockBasePoint,\n  CIRCLE: adjustCircleForBlockBasePoint,\n  ELLIPSE: adjustEllipseForBlockBasePoint,\n  ARC: adjustArcForBlockBasePoint,\n  SPLINE: adjustSplineForBlockBasePoint,\n  TEXT: adjustTextForBlockBasePoint,\n  MTEXT: adjustMTextForBlockBasePoint,\n  DIMENSION: adjustDimensionForBlockBasePoint,\n}\n\nfunction applyBlockBasePointAdjustment(entity: Entity, block: Block): void {\n  // https://github.com/bjnortier/dxf/issues/52\n  // See Issue 52. If we don't modify the entity coordinates here it creates an\n  // issue with the transformation matrices (which are only applied AFTER block\n  // insertion modifications has been applied).\n  const adjust = BLOCK_BASEPOINT_ADJUSTERS[entity.type]\n  if (adjust) adjust(entity, block)\n}\n\nfunction computeRectangularArrayVectors(insert: InsertEntity): {\n  rowVec: { x: number; y: number }\n  colVec: { x: number; y: number }\n} {\n  const rowCount = insert.rowCount ?? 1\n  const columnCount = insert.columnCount ?? 1\n  const rowSpacing = insert.rowSpacing ?? 0\n  const columnSpacing = insert.columnSpacing ?? 0\n  const rotation = insert.rotation ?? 0\n\n  // It appears that the rectangular array is affected by rotation, but NOT by scale.\n  if (rowCount <= 1 && columnCount <= 1) {\n    return { rowVec: { x: 0, y: 0 }, colVec: { x: 0, y: 0 } }\n  }\n\n  const cos = Math.cos((rotation * Math.PI) / 180)\n  const sin = Math.sin((rotation * Math.PI) / 180)\n  return {\n    rowVec: { x: -sin * rowSpacing, y: cos * rowSpacing },\n    colVec: { x: cos * columnSpacing, y: sin * columnSpacing },\n  }\n}\n\nfunction expandInsert(\n  insert: InsertEntity,\n  blocksByName: Record<string, Block>,\n  transforms: Transform[],\n  gatherEntities: (entities: Entity[], transforms: Transform[]) => Entity[],\n): Entity[] {\n  const block = blocksByName[insert.block]\n  if (!block) {\n    logger.error('no block found for insert. block:', insert.block)\n    return []\n  }\n\n  const rowCount = insert.rowCount ?? 1\n  const columnCount = insert.columnCount ?? 1\n  const { rowVec, colVec } = computeRectangularArrayVectors(insert)\n\n  const current: Entity[] = []\n  for (let r = 0; r < rowCount; r++) {\n    for (let c = 0; c < columnCount; c++) {\n      const t: Transform = {\n        x: insert.x + rowVec.x * r + colVec.x * c,\n        y: insert.y + rowVec.y * r + colVec.y * c,\n        scaleX: insert.scaleX,\n        scaleY: insert.scaleY,\n        scaleZ: insert.scaleZ,\n        extrusionX: insert.extrusionX,\n        extrusionY: insert.extrusionY,\n        extrusionZ: insert.extrusionZ,\n        rotation: insert.rotation,\n      }\n\n      const transforms2 = transforms.slice(0)\n      transforms2.push(t)\n\n      // Use the insert layer\n      const blockEntities = block.entities.map((be: Entity) => {\n        const be2 = cloneDeep(be)\n        be2.layer = insert.layer\n        applyBlockBasePointAdjustment(be2, block)\n        return be2\n      })\n\n      current.push(...gatherEntities(blockEntities, transforms2))\n    }\n  }\n\n  return current\n}\n\nexport default function denormalise(parseResult: ParsedDXF): Entity[] {\n  const blocksByName = parseResult.blocks.reduce(\n    (acc: { [name: string]: Block }, b: Block) => {\n      acc[b.name] = b\n      return acc\n    },\n    {},\n  )\n\n  const gatherEntities = (\n    entities: Entity[],\n    transforms: Transform[],\n  ): Entity[] => {\n    const current: Entity[] = []\n    for (const e of entities) {\n      if (e.type === 'INSERT') {\n        current.push(\n          ...expandInsert(e as InsertEntity, blocksByName, transforms, gatherEntities),\n        )\n      } else {\n        // Top-level entity. Clone and add the transforms\n        // The transforms are reversed so they occur in\n        // order of application - i.e. the transform of the\n        // top-level insert is applied last\n        const e2 = cloneDeep(e)\n        e2.transforms = transforms.slice().reverse()\n        current.push(e2)\n      }\n    }\n    return current\n  }\n\n  return gatherEntities(parseResult.entities, [])\n}\n"],
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  "names": ["logger", "cloneDeep"]
}