visual.statik
Class AbstractTransformableContent

java.lang.Object
  visual.statik.AbstractTransformableContent

All Implemented Interfaces:

SimpleContent, TransformableContent

Direct Known Subclasses:

AbstractAggregateContent, Content, Content

public abstract class AbstractTransformableContent
extends java.lang.Object
implements TransformableContent

A partial implementation of the TransformableContent interface that keeps track of transformation information

See Also:

"The Design and Implementation of Multimedia Software © 2011"

Field Summary

protected double	angle
protected boolean	relocated
protected boolean	rerotated
protected boolean	rescaled
protected double	x
protected double	xRotation
protected double	xScale
protected double	y
protected double	yRotation
protected double	yScale

Constructor Summary

AbstractTransformableContent()
Default Constructor

Method Summary

protected java.awt.geom.AffineTransform	getAffineTransform() Get the (concatenated) AffineTransform
java.awt.geom.Rectangle2D	getBounds2D() Returns a high precision bounding box of the appropriately transformed content
abstract java.awt.geom.Rectangle2D	getBounds2D(boolean transformed) Returns a high precision bounding box of the Content either before or after it is transformed
protected boolean	isTransformationRequired() Does this AbstractTransformableContent object need to be transformed before being used?
void	setLocation(double x, double y) Set the translation (required by TransformedContent)
void	setRotation(double angle, double x, double y) Set the angle of rotation around the midpoint (required by TransformedContent)
void	setScale(double scale) Set the scaling
void	setScale(double xScale, double yScale) Set the scaling (required by TransformedContent)
protected void	setTransformationRequired(boolean required) Set whether this AbstractTransformableContent object needs to be transformed before being used

Methods inherited from class java.lang.Object

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

Methods inherited from interface visual.statik.SimpleContent

render

Field Detail

relocated

protected boolean relocated

rerotated

protected boolean rerotated

rescaled

protected boolean rescaled

angle

protected double angle

xScale

protected double xScale

yScale

protected double yScale

x

protected double x

y

protected double y

xRotation

protected double xRotation

yRotation

protected double yRotation

Constructor Detail

AbstractTransformableContent

public AbstractTransformableContent()

Default Constructor

Method Detail

getAffineTransform

protected java.awt.geom.AffineTransform getAffineTransform()

Get the (concatenated) AffineTransform

Returns:

The rotation, scaling and translation concatenated

getBounds2D

public java.awt.geom.Rectangle2D getBounds2D()

Returns a high precision bounding box of the appropriately transformed content

Returns:

The bounding box

getBounds2D

public abstract java.awt.geom.Rectangle2D getBounds2D(boolean transformed)

Returns a high precision bounding box of the Content either before or after it is transformed

Specified by:

getBounds2D in interface TransformableContent

Parameters:

transformed - true to get the BB of the transformed content

Returns:

The bounding box

setLocation

public void setLocation(double x,
                        double y)

Set the translation (required by TransformedContent)

Specified by:

setLocation in interface TransformableContent

Parameters:

x - The x posiiton

y - The y position

setRotation

public void setRotation(double angle,
                        double x,
                        double y)

Set the angle of rotation around the midpoint (required by TransformedContent)

Specified by:

setRotation in interface TransformableContent

Parameters:

angle - The rotation angle

x - The x-coordinate of the point to rotate around

y - The y-coordinate of the point to rotate around

setScale

public void setScale(double xScale,
                     double yScale)

Set the scaling (required by TransformedContent)

Specified by:

setScale in interface TransformableContent

Parameters:

xScale - The scaling in the horizontal dimension

yScale - The scaling in the vertical dimension

setScale

public void setScale(double scale)

Set the scaling

Parameters:

scale - The scaling (in both dimensions)

setTransformationRequired

protected void setTransformationRequired(boolean required)

Set whether this AbstractTransformableContent object needs to be transformed before being used

Parameters:

required - true to indicate that a transformation is requried

isTransformationRequired

protected boolean isTransformationRequired()

Does this AbstractTransformableContent object need to be transformed before being used?

Returns:

true to indicate a transformation is required