Package org.jungrapht.visualization.transform

Class Lens

java.lang.Object

org.jungrapht.visualization.transform.Lens

public class Lens
extends Object

Provides a magnification area (elliptical or rectangular) in a visualization

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Lens.Builder	builds a with a provided shape and initial magnification
static class	Lens.Shape	supported lens shapes are Ellipse and Rectangle

Field Summary

Fields

Modifier and Type	Field	Description
protected RectangularShape	lensShape	the area affected by the transform
protected float	magnification

Constructor Summary

Constructors

Constructor	Description
Lens()

Method Summary

Modifier and Type	Method	Description
static Lens.Builder	builder()
static Lens.Builder	builder(Lens.Shape lensShape)
Point2D	getCenter()
double	getCenterToCorner()
double	getDistanceFromCenter(Point2D p)
RectangularShape	getLensShape()
float	getMagnification()
double	getRadius()
double	getRatio()
void	setCenter(Point2D viewCenter)
void	setLensShape(RectangularShape ellipse)
void	setMagnification(float magnification)
void	setRadius(double viewRadius)

Methods inherited from class java.lang.Object

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

Field Detail

lensShape

protected RectangularShape lensShape

the area affected by the transform

magnification

protected float magnification

Constructor Detail

Lens

public Lens()

Method Detail

builder

public static Lens.Builder builder(Lens.Shape lensShape)

builder

public static Lens.Builder builder()

getMagnification

public float getMagnification()

setMagnification

public void setMagnification(float magnification)

getCenter

public Point2D getCenter()

setCenter

public void setCenter(Point2D viewCenter)

getRadius

public double getRadius()

getCenterToCorner

public double getCenterToCorner()

setRadius

public void setRadius(double viewRadius)

getRatio

public double getRatio()

Returns:

the ratio between the lens height and lens width

setLensShape

public void setLensShape(RectangularShape ellipse)

getLensShape

public RectangularShape getLensShape()

getDistanceFromCenter

public double getDistanceFromCenter(Point2D p)