Package evo.search.view.render

Class Transformation

java.lang.Object

evo.search.view.render.Transformation

public class Transformation
extends Object

The canvas rendering transformation. Holds a scale and the offset.

Constructor Summary

Constructors

Constructor	Description
Transformation()

Method Summary

Modifier and Type	Method	Description
AffineTransform	getAffineTransformation()	Generate an AffineTransform from the translation offset and the scale.
ComponentListener	getComponentListener(Component c)	Get the resize component listener.
MouseListener	getMouseListener()	Get the mouse press listener.
MouseMotionListener	getMouseMotionListener(Canvas canvas)	Get the mouse dragging listener.
MouseWheelListener	getMouseWheelListener(Component c)	Get the mouse zoom listener.
Point2D	getOffset()	The transformation offset vector.
double	getScale()	The transformation scaling factor.
Point2D	revert(Point2D point)	Revert a transformed Point2D on the canvas.
void	setOffset(Point2D offset)	The transformation offset vector.
void	setScale(double scale)	The transformation scaling factor.
Line2D	transform(Line2D line)	Transform a Line2D.
Point2D	transform(Point2D point)	Transform a Point2D.

Methods inherited from class java.lang.Object

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

Constructor Detail

Transformation

public Transformation()

Method Detail

revert

public Point2D revert(Point2D point)

Revert a transformed Point2D on the canvas.

Parameters:

point - transformed point on the canvas

Returns:

reverted point of inverted transformation

transform

public Point2D transform(Point2D point)

Transform a Point2D.

Parameters:

point - point to transform

Returns:

transformed point

transform

public Line2D transform(Line2D line)

Transform a Line2D.

Parameters:

line - line to transform

Returns:

transformed line

getAffineTransformation

public AffineTransform getAffineTransformation()

Generate an AffineTransform from the translation offset and the scale.

Returns:

Affine transformation from the internal Transformation.

getMouseListener

public MouseListener getMouseListener()

Get the mouse press listener.

Returns:

the mouse listener for the mouse press event

getMouseMotionListener

public MouseMotionListener getMouseMotionListener(Canvas canvas)

Get the mouse dragging listener.

Parameters:

canvas - canvas being repainted

Returns:

the mouse listener for the drag event

getMouseWheelListener

public MouseWheelListener getMouseWheelListener(Component c)

Get the mouse zoom listener.

Parameters:

c - component being repainted

Returns:

the mouse listener for the scroll event

getComponentListener

public ComponentListener getComponentListener(Component c)

Get the resize component listener.

Parameters:

c - component being repainted

Returns:

the component listener for the resize event

getOffset

public Point2D getOffset()

The transformation offset vector.

setOffset

public void setOffset(Point2D offset)

The transformation offset vector.

getScale

public double getScale()

The transformation scaling factor.

setScale

public void setScale(double scale)

The transformation scaling factor.