com.jhlabs.image
Class TwirlFilter
java.lang.Object
com.jhlabs.image.AbstractBufferedImageOp
com.jhlabs.image.TransformFilter
com.jhlabs.image.TwirlFilter
- All Implemented Interfaces:
- java.awt.image.BufferedImageOp, 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.
Constructor Summary |
TwirlFilter()
Construct a TwirlFilter with no distortion. |
Methods inherited from class java.lang.Object |
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
TwirlFilter
public TwirlFilter()
- Construct a TwirlFilter with no distortion.
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.
setCentreX
public void setCentreX(float centreX)
getCentreX
public float getCentreX()
setCentreY
public void setCentreY(float centreY)
getCentreY
public float getCentreY()
setCentre
public void setCentre(java.awt.geom.Point2D centre)
getCentre
public java.awt.geom.Point2D getCentre()
setRadius
public void setRadius(float radius)
getRadius
public float getRadius()
filter
public java.awt.image.BufferedImage filter(java.awt.image.BufferedImage src,
java.awt.image.BufferedImage dst)
- Specified by:
filter
in interface java.awt.image.BufferedImageOp
- Overrides:
filter
in class TransformFilter
transformInverse
protected void transformInverse(int x,
int y,
float[] out)
- Specified by:
transformInverse
in class TransformFilter
toString
public java.lang.String toString()
- Overrides:
toString
in class java.lang.Object