   public var descent: Int32 = 0
   public var colorStack = [SDL_Color?]()
   public var styleStack = [Int32]()
+  public var style: Int32 = 0
 
   public init(renderer: COpaquePointer, font: COpaquePointer) {
     self.renderer = renderer

  public let KEY_UP: UInt16   = 769

  public let RENDERER_ACCELERATED: UInt32 = 2

  public var _textGrid: TextGrid?


    }
  }

  public func withStyle<Result>(style: Int32,
      @noescape fn: () -> Result) -> Result {
    if style == self.style {
      return fn()
    } else {
      styleStack.append(self.style)
      defer {
        self.style = styleStack.removeLast()
      }
      self.style = style
      return fn()
    }
  }
}
