_getCropzoneRectInfo() {
      const { width: canvasWidth, height: canvasHeight } = this.canvas;
      const {
        top: rectTop,
        left: rectLeft,
        width: rectWidth,
        height: rectHeight,
      } = this.getBoundingRect(false, true);

      return {
        rectTop,
        rectLeft,
        rectWidth,
        rectHeight,
        rectRight: rectLeft + rectWidth,
        rectBottom: rectTop + rectHeight,
        canvasWidth,
        canvasHeight,
      };
    }
Get dimension last state cropzone
@returns {{rectTop: number, rectLeft: number, rectWidth: number, rectHeight: number}}
@private