GanttChartHeaderViewportObserver

public protocol GanttChartHeaderViewportObserver : AnyObject

Reacts to viewport and zoom changes in the user interface as indicated by an associated controller.

  • viewportDidChange(to:from:) Default implementation

    Undocumented

    Default Implementation

    Undocumented

    Declaration

    Swift

    func viewportDidChange(to value: Rectangle, from originalValue: Rectangle)
  • zoomDidChange(to:from:) Default implementation

    Undocumented

    Default Implementation

    Undocumented

    Declaration

    Swift

    func zoomDidChange(to value: Double, from originalValue: Double)