Package it.tidalwave.image.render

Class MouseClickZoomingController

  • public class MouseClickZoomingController
extends java.lang.Object
    This class activates zoom-by-click, that is the capability of zooming in and out on the image by clicking with the mouse over it. The click toggles the zoom between the 1:1 and the 'fit to view' values. The actual zooming behaviour is delegated to a ScaleController, which allows to plug different implementations (e.g. animations).
    Author:
    Fabrizio Giudici

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int getClickCountToZoom()
      Returns the number of clicks requested to trigger the zooming.
      double getFactor()  
      boolean isEnabled()
      Returns true if the controller is enabled.
      void setClickCountToZoom​(int clickCountToZoom)
      Sets the number of clicks requested to trigger the zooming.
      void setEnabled​(boolean enabled)
      Enables or disables this controller.
      void setFactor​(double factor)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • MouseClickZoomingController

        public MouseClickZoomingController​(ScaleController scaleController)
        Creates a new instance of this class, attached to a ScaleController. This controller must be activated with setEnabled(true) in order to be used.
        Parameters:
        scaleController - the scale controller

    • Method Detail

      • setClickCountToZoom

        public void setClickCountToZoom​(int clickCountToZoom)
        Sets the number of clicks requested to trigger the zooming.
        Parameters:
        clickCountToZoom - the number of clicks

      • getClickCountToZoom

        public int getClickCountToZoom()
        Returns the number of clicks requested to trigger the zooming.

      • setEnabled

        public void setEnabled​(boolean enabled)
        Enables or disables this controller. As this class attaches some listeners to the image renderer component, it's advisable to disable it when it's not needed, in order to facilitate garbage collection.
        Parameters:
        enabled - true if must be enabled, false otherwise

      • isEnabled

        public boolean isEnabled()
        Returns true if the controller is enabled.
        Returns:
        true if enabled

      • setFactor

        public void setFactor​(double factor)

      • getFactor

        public double getFactor()