Class GridRenderer

constructor

• new GridRenderer(): GridRenderer

  Returns GridRenderer

isWorkerActive

offscreen

useWorker

worker

clearGrid

• clearGrid(): void

  Returns void

dispose

• dispose(): void

  Returns void

initWorker

• initWorker(useWorker: boolean): Promise<void>

  Parameters

  • useWorker: boolean

  Returns Promise<void>

renderGrid

• renderGrid(
      gridOptions: GridOptions,
      drawingScale: number,
      transform: DOMMatrix,
      pageView: boolean,
      pageSize: Size,
      pages: Pages,
      ctx: CanvasRenderingContext2D,
      pageColor: string,
  ): void

  Parameters

  • gridOptions: GridOptions
  • drawingScale: number
  • transform: DOMMatrix
  • pageView: boolean
  • pageSize: Size
  • pages: Pages
  • ctx: CanvasRenderingContext2D
  • pageColor: string

  Returns void

setCanvas

• setCanvas(canvas: HTMLCanvasElement | null): void

  Parameters

  • canvas: HTMLCanvasElement | null

  Returns void

updateGrid

• updateGrid(
      gridOptions: GridOptions,
      drawingScale: number,
      size: { height: number; width: number; x: number; y: number },
      pageView: boolean,
      zoom: number,
      pages: Pages,
      pageColor: string,
  ): void

  Parameters

  • gridOptions: GridOptions
  • drawingScale: number
  • size: { height: number; width: number; x: number; y: number }
  • pageView: boolean
  • zoom: number
  • pages: Pages
  • pageColor: string

  Returns void

updateSize

• updateSize(width: number, height: number): void

  Parameters

  • width: number
  • height: number

  Returns void