registerFigure(figure)

registerFigure used to custom figure.

Reference

(
  overlay: {
    name: string
    draw: (ctx: CanvasRenderingContext2D, attrs: any, styles: object) => void
    checkEventOn: (coordinate: Coordinate, attrs: any, styles: object) => boolean
  }
) => void

Parameters

• figure Figure configuration.
  • name Name, unique identifier.
  • draw Drawing method.
  • checkEventOn Checks if the event is on a figure.

Returns

registerFigure returns undefined 。

Usage

Used in custom indicators

Used in custom overlays