This package contains function and data structure to display the background of Graph Areas.
extends OpenCAGE.GUI.Displays.Object_Displays.Object_Display
This class represents the background of our Graph Window
private OpenCAGE.GIF.Node_Model Node_Model |
This is only a dummy function which does nothing.
This is only a dummy function which does nothing.
This is only a dummy function which does nothing.
returns Points.Not_A_Point
see Visitor-Pattern
returns Area_Sizes.Zero_Area_Size
returns Area_Sizes.Zero_Area_Size