Function resize_math

src/pica_worker.ts:12–18

(data: { features: PicaFeaturesFlat }, tileJob: MathResizeAndUnsharpOptions)

let mathLib: MathLib | null = null

function resize_math (data: { features: PicaFeaturesFlat }, tileJob: MathResizeAndUnsharpOptions): Uint8Array {
  if (!mathLib) mathLib = new MathLib(data.features)

  // Use multimath's sync auto-init. Avoid Promise use in old browsers,
  // because polyfills are not propagated to webworker.
  return mathLib.resizeAndUnsharp(tileJob)
}

function resizeBitmap (data: WorkerResizePayload, tileJob: TileResizeBitmapJob): void {
  let srcCanvas: OffscreenCanvas | null = new OffscreenCanvas(tileJob.width, tileJob.height)