org.jscience.media.pictures.filters
Class TwirlFilter

java.lang.Object
  java.awt.image.ImageFilter
      org.jscience.media.pictures.filters.WholeImageFilter
          org.jscience.media.pictures.filters.TransformFilter
              org.jscience.media.pictures.filters.TwirlFilter

All Implemented Interfaces:

java.awt.image.ImageConsumer, java.io.Serializable, java.lang.Cloneable

public class TwirlFilter
extends TransformFilter

A Filter which distorts an image by twisting it from the centre out. The twisting is centred at the centre of the image and extends out to the smallest of the width and height. Pixels outside this radius are unaffected.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.jscience.media.pictures.filters.TransformFilter

CLAMP, edgeAction, WRAP, ZERO

Fields inherited from class org.jscience.media.pictures.filters.WholeImageFilter

canFilterIndexColorModel, defaultRGBModel, inBytePixels, inPixels, originalSpace, transformedSpace

Fields inherited from class java.awt.image.ImageFilter

consumer

Fields inherited from interface java.awt.image.ImageConsumer

COMPLETESCANLINES, IMAGEABORTED, IMAGEERROR, RANDOMPIXELORDER, SINGLEFRAME, SINGLEFRAMEDONE, SINGLEPASS, STATICIMAGEDONE, TOPDOWNLEFTRIGHT

Constructor Summary

TwirlFilter()
Construct a TwirlFilter with no distortion.

Method Summary

float	getAngle() Get the angle of twist.
void	setAngle(float angle) Set the angle of twirl in radians. 0 means no distortion.
void	setDimensions(int width, int height) DOCUMENT ME!
java.lang.String	toString() DOCUMENT ME!
protected void	transformInverse(int x, int y, float[] out) DOCUMENT ME!

Methods inherited from class org.jscience.media.pictures.filters.TransformFilter

getEdgeAction, imageComplete, setEdgeAction, transformSpace

Methods inherited from class org.jscience.media.pictures.filters.WholeImageFilter

setColorModel, setPixels, setPixels

Methods inherited from class java.awt.image.ImageFilter

clone, getFilterInstance, resendTopDownLeftRight, setHints, setProperties

Methods inherited from class java.lang.Object

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

Constructor Detail

TwirlFilter

public TwirlFilter()

Construct a TwirlFilter with no distortion.

Method Detail

setAngle

public void setAngle(float angle)

Set the angle of twirl in radians. 0 means no distortion.

Parameters:

angle - the angle of twirl. This is the angle by which pixels at the nearest edge of the image will move.

getAngle

public float getAngle()

Get the angle of twist.

Returns:

the angle in radians.

setDimensions

public void setDimensions(int width,
                          int height)

DOCUMENT ME!

Specified by:

setDimensions in interface java.awt.image.ImageConsumer

Overrides:

setDimensions in class WholeImageFilter

Parameters:

width - DOCUMENT ME!

height - DOCUMENT ME!

transformInverse

protected void transformInverse(int x,
                                int y,
                                float[] out)

DOCUMENT ME!

Specified by:

transformInverse in class TransformFilter

Parameters:

x - DOCUMENT ME!

y - DOCUMENT ME!

out - DOCUMENT ME!

toString

public java.lang.String toString()

DOCUMENT ME!

Overrides:

toString in class java.lang.Object

Returns:

DOCUMENT ME!