edu.uci.ics.jung.visualization.decorators

Class GradientEdgePaintTransformer<V,E>

java.lang.Object

edu.uci.ics.jung.visualization.decorators.GradientEdgePaintTransformer<V,E>

All Implemented Interfaces:

com.google.common.base.Function<E,Paint>

public class GradientEdgePaintTransformer<V,E>
extends Object
implements com.google.common.base.Function<E,Paint>

Creates GradientPaint instances which can be used to paint an Edge. For DirectedEdges, the color will blend from c1 (source) to c2 (destination); for UndirectedEdges, the color will be c1 at each end and c2 in the middle.

Author:

Joshua O'Madadhain

Field Summary

Fields

Modifier and Type	Field and Description
protected Color	c1
protected Color	c2
protected com.google.common.base.Predicate<Context<Graph<V,E>,E>>	selfLoop
protected BidirectionalTransformer	transformer
protected VisualizationViewer<V,E>	vv

Constructor Summary

Constructors

Constructor and Description
GradientEdgePaintTransformer(Color c1, Color c2, VisualizationViewer<V,E> vv)

Method Summary

Modifier and Type	Method and Description
Paint	apply(E e)
protected Color	getColor1(E e) Returns c1.
protected Color	getColor2(E e) Returns c2.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Function

equals

Field Detail

c1

protected Color c1

c2

protected Color c2

vv

protected VisualizationViewer<V,E> vv

transformer

protected BidirectionalTransformer transformer

selfLoop

protected com.google.common.base.Predicate<Context<Graph<V,E>,E>> selfLoop

Constructor Detail

GradientEdgePaintTransformer

public GradientEdgePaintTransformer(Color c1,
                                    Color c2,
                                    VisualizationViewer<V,E> vv)

Method Detail

apply

public Paint apply(E e)

Specified by:

apply in interface com.google.common.base.Function<E,Paint>

getColor1

protected Color getColor1(E e)

Returns c1. Subclasses may override this method to enable more complex behavior (e.g., for picked edges).

Parameters:

e - the edge for which a color is to be retrieved

Returns:

the constructor-supplied color c1

getColor2

protected Color getColor2(E e)

Returns c2. Subclasses may override this method to enable more complex behavior (e.g., for picked edges).

Parameters:

e - the edge for which a color is to be retrieved

Returns:

the constructor-supplied color c2