Interface GraphDrawingPack.EdgeShapeInterface

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Interface GraphDrawingPack.EdgeShapeInterface

public interface EdgeShapeInterface
extends Object

EdgeShapes are the shape in the middle of a directed edge: usually an arrow for drected graphs, but can be other symbols for an object diagram etc. Note: changing edge shapes of undirected graph will do nothing.

Given information from the DirEdgeDrawing class, Edge shape will calculate information for drawing the shape and have a method to draw itself.

draw(GraphCanvas, Color): draw shape on given graph canvas in given color
getType(): return a string which is the name of the shape
setShape(): calculate information for drawing the shape

setShape

  public abstract void setShape()

calculate information for drawing the shape

getType

  public abstract String getType()

return a string which is the name of the shape

draw

  public abstract void draw(GraphCanvas gc,
                            Color c)

draw shape on given graph canvas in given color

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