edu.uci.ics.jung.visualization.transform
Class MutableTransformerDecorator

java.lang.Object
  edu.uci.ics.jung.visualization.transform.MutableTransformerDecorator

All Implemented Interfaces:

BidirectionalTransformer, MutableTransformer, ShapeTransformer, ChangeEventSupport

Direct Known Subclasses:

LensTransformer, PerspectiveTransformer

public abstract class MutableTransformerDecorator
extends Object
implements MutableTransformer

a complete decorator that wraps a MutableTransformer. Subclasses use this to allow them to only declare methods they need to change.

Author:

Tom Nelson

Field Summary

protected MutableTransformer

delegate

Constructor Summary

MutableTransformerDecorator(MutableTransformer delegate)

Method Summary

void	addChangeListener(ChangeListener l)
void	concatenate(AffineTransform transform)
void	fireStateChanged()
ChangeListener[]	getChangeListeners() Returns an array of all the ChangeListeners added with addChangeListener().
MutableTransformer	getDelegate()
double	getRotation()
double	getScale()
double	getScaleX()
double	getScaleY()
double	getShearX()
double	getShearY()
AffineTransform	getTransform()
double	getTranslateX()
double	getTranslateY()
Point2D	inverseTransform(Point2D p) convert the supplied screen coordinate to the graph coordinate.
Shape	inverseTransform(Shape shape)
void	preConcatenate(AffineTransform transform)
void	removeChangeListener(ChangeListener l) Removes a ChangeListener.
void	rotate(double radians, double x, double y)
void	rotate(double radians, Point2D point)
void	scale(double sx, double sy, Point2D point)
void	setDelegate(MutableTransformer delegate)
void	setScale(double sx, double sy, Point2D point)
void	setToIdentity()
void	setTranslate(double dx, double dy)
void	shear(double shx, double shy, Point2D from)
Point2D	transform(Point2D p) convert the supplied graph coordinate to the screen coordinate
Shape	transform(Shape shape) map a shape from graph coordinate system to the screen coordinate system
void	translate(double dx, double dy)

Methods inherited from class java.lang.Object

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

Field Detail

delegate

protected MutableTransformer delegate

Constructor Detail

MutableTransformerDecorator

public MutableTransformerDecorator(MutableTransformer delegate)

Method Detail

getDelegate

public MutableTransformer getDelegate()

Returns:

Returns the delegate.

setDelegate

public void setDelegate(MutableTransformer delegate)

Parameters:

delegate - The delegate to set.

addChangeListener

public void addChangeListener(ChangeListener l)

Specified by:

addChangeListener in interface ChangeEventSupport

concatenate

public void concatenate(AffineTransform transform)

Specified by:

concatenate in interface MutableTransformer

fireStateChanged

public void fireStateChanged()

Specified by:

fireStateChanged in interface ChangeEventSupport

getChangeListeners

public ChangeListener[] getChangeListeners()

Description copied from interface: ChangeEventSupport

Returns an array of all the ChangeListeners added with addChangeListener().

Specified by:

getChangeListeners in interface ChangeEventSupport

Returns:

all of the ChangeListeners added or an empty array if no listeners have been added

getScale

public double getScale()

Specified by:

getScale in interface MutableTransformer

getScaleX

public double getScaleX()

Specified by:

getScaleX in interface MutableTransformer

getScaleY

public double getScaleY()

Specified by:

getScaleY in interface MutableTransformer

getShearX

public double getShearX()

Specified by:

getShearX in interface MutableTransformer

getShearY

public double getShearY()

Specified by:

getShearY in interface MutableTransformer

getTransform

public AffineTransform getTransform()

Specified by:

getTransform in interface MutableTransformer

getTranslateX

public double getTranslateX()

Specified by:

getTranslateX in interface MutableTransformer

getTranslateY

public double getTranslateY()

Specified by:

getTranslateY in interface MutableTransformer

inverseTransform

public Point2D inverseTransform(Point2D p)

Description copied from interface: BidirectionalTransformer

convert the supplied screen coordinate to the graph coordinate.

Specified by:

inverseTransform in interface BidirectionalTransformer

Parameters:

p - screen point to convert

Returns:

the graph point

inverseTransform

public Shape inverseTransform(Shape shape)

Specified by:

inverseTransform in interface BidirectionalTransformer

Specified by:

inverseTransform in interface ShapeTransformer

Returns:

preConcatenate

public void preConcatenate(AffineTransform transform)

Specified by:

preConcatenate in interface MutableTransformer

removeChangeListener

public void removeChangeListener(ChangeListener l)

Description copied from interface: ChangeEventSupport

Removes a ChangeListener.

Specified by:

removeChangeListener in interface ChangeEventSupport

Parameters:

l - the listener to be removed

rotate

public void rotate(double radians,
                   Point2D point)

Specified by:

rotate in interface MutableTransformer

scale

public void scale(double sx,
                  double sy,
                  Point2D point)

Specified by:

scale in interface MutableTransformer

setScale

public void setScale(double sx,
                     double sy,
                     Point2D point)

Specified by:

setScale in interface MutableTransformer

setToIdentity

public void setToIdentity()

Specified by:

setToIdentity in interface MutableTransformer

setTranslate

public void setTranslate(double dx,
                         double dy)

Specified by:

setTranslate in interface MutableTransformer

shear

public void shear(double shx,
                  double shy,
                  Point2D from)

Specified by:

shear in interface MutableTransformer

transform

public Point2D transform(Point2D p)

Description copied from interface: BidirectionalTransformer

convert the supplied graph coordinate to the screen coordinate

Specified by:

transform in interface BidirectionalTransformer

Parameters:

p - graph point to convert

Returns:

screen point

transform

public Shape transform(Shape shape)

Description copied from interface: ShapeTransformer

map a shape from graph coordinate system to the screen coordinate system

Specified by:

transform in interface BidirectionalTransformer

Specified by:

transform in interface ShapeTransformer

Returns:

a GeneralPath (Shape) representing the screen points of the shape

translate

public void translate(double dx,
                      double dy)

Specified by:

translate in interface MutableTransformer

getRotation

public double getRotation()

Specified by:

getRotation in interface MutableTransformer

rotate

public void rotate(double radians,
                   double x,
                   double y)

Specified by:

rotate in interface MutableTransformer