Package qupath.lib.gui.viewer

Interface QuPathViewerListener

All Superinterfaces:
EventListener
All Known Implementing Classes:
UndoRedoManager, ViewerManager, ViewTracker
public interface QuPathViewerListener extends EventListener
Interface for defining a listener that needs to know whenever the data related to a QuPathViewer has changed in some way - such as by changing the underlying ImageData, or by moving the field of view.

  • Method Details

    • imageDataChanged

      void imageDataChanged(QuPathViewer viewer, ImageData<BufferedImage> imageDataOld, ImageData<BufferedImage> imageDataNew)
      Called with the image data within a viewer has changed.
      Parameters:
      viewer - the viewer whose image has changed
      imageDataOld - the image previously open in the viewer
      imageDataNew - the image now open in the viewer

    • visibleRegionChanged

      void visibleRegionChanged(QuPathViewer viewer, Shape shape)
      Called when the visible region has changed in a viewer.
      Parameters:
      viewer - the viewer whose visible region has changed.
      shape - shape representing the new visible region (in image pixel coordinates). This is rectangular, but may also be rotated.

    • selectedObjectChanged

      void selectedObjectChanged(QuPathViewer viewer, PathObject pathObjectSelected)
      Called when the primary selected object has changed in a viewer.
      Parameters:
      viewer - the viewer
      pathObjectSelected -

    • viewerClosed

      void viewerClosed(QuPathViewer viewer)
      Called when a viewer is closed.
      Parameters:
      viewer - the viewer that has been closed.