code: function crop() {
      if (this.ready && !this.cropped && !this.disabled) {
        this.cropped = true;
        this.limitCropBox(true, true);
  
        if (this.options.modal) {
          addClass(this.dragBox, CLASS_MODAL);
        }
  
        removeClass(this.cropBox, CLASS_HIDDEN);
        this.setCropBoxData(this.initialCropBoxData);
      }
  
      return this;
    }
docs: Show the crop box manually