{
  "version": 3,
  "sources": ["../../src/util/transformBoundingBoxAndElement.ts"],
  "sourcesContent": ["import { Box2 } from 'vecks'\nimport type { Transform, TransformResult } from '../types'\n\n/**\n * Transform the bounding box and the SVG element by the given\n * transforms. The <g> element are created in reverse transform\n * order and the bounding box in the given order.\n */\nexport default function transformBoundingBoxAndElement(\n  bbox: Box2,\n  element: string,\n  transforms: Transform[]\n): TransformResult {\n  let transformedElement = ''\n  const matrices = transforms.map((transform) => {\n    // Create the transformation matrix\n    const tx = transform.x || 0\n    const ty = transform.y || 0\n    const sx = transform.scaleX || 1\n    const sy = transform.scaleY || 1\n    const angle = ((transform.rotation || 0) / 180) * Math.PI\n    const { cos, sin } = Math\n    let a, b, c, d, e, f\n    // In DXF an extrusionZ value of -1 denote a tranform around the Y axis.\n    if (transform.extrusionZ === -1) {\n      a = -sx * cos(angle)\n      b = sx * sin(angle)\n      c = sy * sin(angle)\n      d = sy * cos(angle)\n      e = -tx\n      f = ty\n    } else {\n      a = sx * cos(angle)\n      b = sx * sin(angle)\n      c = -sy * sin(angle)\n      d = sy * cos(angle)\n      e = tx\n      f = ty\n    }\n    return [a, b, c, d, e, f]\n  })\n\n  // Only transform the bounding box is it is valid (i.e. not Infinity)\n  let transformedBBox = new Box2()\n  if (bbox.valid) {\n    let bboxPoints = [\n      { x: bbox.min.x, y: bbox.min.y },\n      { x: bbox.max.x, y: bbox.min.y },\n      { x: bbox.max.x, y: bbox.max.y },\n      { x: bbox.min.x, y: bbox.max.y },\n    ]\n    for (const [a, b, c, d, e, f] of matrices) {\n      bboxPoints = bboxPoints.map((point) => ({\n        x: point.x * a + point.y * c + e,\n        y: point.x * b + point.y * d + f,\n      }))\n    }\n    transformedBBox = bboxPoints.reduce((acc, point) => {\n      return acc.expandByPoint(point)\n    }, new Box2())\n  }\n\n  matrices.reverse()\n  for (const [a, b, c, d, e, f] of matrices) {\n    transformedElement += `<g transform=\"matrix(${a} ${b} ${c} ${d} ${e} ${f})\">`\n  }\n  transformedElement += element\n  // eslint-disable-next-line @typescript-eslint/no-unused-vars\n  for (const _ of matrices) {\n    transformedElement += '</g>'\n  }\n\n  return { bbox: transformedBBox, element: transformedElement }\n}\n"],
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