         cacheIndex -= 1
       }
 
-      print("cacheIndex undo \(cacheIndex)")
+//      print("cacheIndex undo \(cacheIndex)")
 
       cacheIndex -= 1
 

      if cachedPath.count - 1 < cacheIndex {
        return
      }
      print("cacheIndex redo \(cacheIndex)")
      currentPath = cachedPath[cacheIndex]
      _signature = nil
      self.redraw()

open class SwiftSignatureView: UIView {
    // MARK: Public Properties

    open var delegate: SwiftSignatureViewDelegate?
    
    /**
    The maximum stroke width.
