Package com.jhlabs.image

Class RippleFilter

java.lang.Object

com.jhlabs.image.AbstractBufferedImageOp

com.jhlabs.image.TransformFilter

com.jhlabs.image.RippleFilter

All Implemented Interfaces:

java.awt.image.BufferedImageOp, java.lang.Cloneable

public class RippleFilter
extends TransformFilter

A filter which distorts an image by rippling it in the X or Y directions. The amplitude and wavelength of rippling can be specified as well as whether pixels going off the edges are wrapped or not.

Field Summary

Fields

Modifier and Type	Field	Description
static int	NOISE	Noise ripples.
static int	SAWTOOTH	Sawtooth wave ripples.
static int	SINE	Sine wave ripples.
static int	TRIANGLE	Triangle wave ripples.

Fields inherited from class com.jhlabs.image.TransformFilter

BILINEAR, CLAMP, edgeAction, interpolation, NEAREST_NEIGHBOUR, originalSpace, RGB_CLAMP, transformedSpace, WRAP, ZERO

Constructor Summary

Constructors

Constructor	Description
RippleFilter()	Construct a RippleFilter.

Method Summary

Modifier and Type	Method	Description
int	getWaveType()	Get the wave type.
float	getXAmplitude()	Get the amplitude of ripple in the X direction.
float	getXWavelength()	Get the wavelength of ripple in the X direction.
float	getYAmplitude()	Get the amplitude of ripple in the Y direction.
float	getYWavelength()	Get the wavelength of ripple in the Y direction.
void	setWaveType(int waveType)	Set the wave type.
void	setXAmplitude(float xAmplitude)	Set the amplitude of ripple in the X direction.
void	setXWavelength(float xWavelength)	Set the wavelength of ripple in the X direction.
void	setYAmplitude(float yAmplitude)	Set the amplitude of ripple in the Y direction.
void	setYWavelength(float yWavelength)	Set the wavelength of ripple in the Y direction.
java.lang.String	toString()
protected void	transformInverse(int x, int y, float[] out)	Inverse transform a point.
protected void	transformSpace(java.awt.Rectangle r)	Forward transform a rectangle.

Methods inherited from class com.jhlabs.image.TransformFilter

filter, filterPixelsNN, getEdgeAction, getInterpolation, setEdgeAction, setInterpolation

Methods inherited from class com.jhlabs.image.AbstractBufferedImageOp

clone, createCompatibleDestImage, getBounds2D, getPoint2D, getRenderingHints, getRGB, setRGB, stringToColor

Methods inherited from class java.lang.Object

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

Field Detail

SINE

public static final int SINE

Sine wave ripples.

See Also:

Constant Field Values

SAWTOOTH

public static final int SAWTOOTH

Sawtooth wave ripples.

See Also:

Constant Field Values

TRIANGLE

public static final int TRIANGLE

Triangle wave ripples.

See Also:

Constant Field Values

NOISE

public static final int NOISE

Noise ripples.

See Also:

Constant Field Values

Constructor Detail

RippleFilter

public RippleFilter()

Construct a RippleFilter.

Method Detail

setXAmplitude

public void setXAmplitude(float xAmplitude)

Set the amplitude of ripple in the X direction.

Parameters:

xAmplitude - the amplitude (in pixels).

See Also:

getXAmplitude()

getXAmplitude

public float getXAmplitude()

Get the amplitude of ripple in the X direction.

Returns:

the amplitude (in pixels).

See Also:

setXAmplitude(float)

setXWavelength

public void setXWavelength(float xWavelength)

Set the wavelength of ripple in the X direction.

Parameters:

xWavelength - the wavelength (in pixels).

See Also:

getXWavelength()

getXWavelength

public float getXWavelength()

Get the wavelength of ripple in the X direction.

Returns:

the wavelength (in pixels).

See Also:

setXWavelength(float)

setYAmplitude

public void setYAmplitude(float yAmplitude)

Set the amplitude of ripple in the Y direction.

Parameters:

yAmplitude - the amplitude (in pixels).

See Also:

getYAmplitude()

getYAmplitude

public float getYAmplitude()

Get the amplitude of ripple in the Y direction.

Returns:

the amplitude (in pixels).

See Also:

setYAmplitude(float)

setYWavelength

public void setYWavelength(float yWavelength)

Set the wavelength of ripple in the Y direction.

Parameters:

yWavelength - the wavelength (in pixels).

See Also:

getYWavelength()

getYWavelength

public float getYWavelength()

Get the wavelength of ripple in the Y direction.

Returns:

the wavelength (in pixels).

See Also:

setYWavelength(float)

setWaveType

public void setWaveType(int waveType)

Set the wave type.

Parameters:

waveType - the type.

See Also:

getWaveType()

getWaveType

public int getWaveType()

Get the wave type.

Returns:

the type.

See Also:

setWaveType(int)

transformSpace

protected void transformSpace(java.awt.Rectangle r)

Description copied from class: TransformFilter

Forward transform a rectangle. Used to determine the size of the output image.

Overrides:

transformSpace in class TransformFilter

Parameters:

r - the rectangle to transform

transformInverse

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

Description copied from class: TransformFilter

Inverse transform a point. This method needs to be overriden by all subclasses.

Specified by:

transformInverse in class TransformFilter

Parameters:

x - the X position of the pixel in the output image

y - the Y position of the pixel in the output image

out - the position of the pixel in the input image

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object