com.jhlabs.image
Class CircleFilter

java.lang.Object
  extended by com.jhlabs.image.AbstractBufferedImageOp
      extended by com.jhlabs.image.TransformFilter
          extended by com.jhlabs.image.CircleFilter
All Implemented Interfaces:
java.awt.image.BufferedImageOp, java.lang.Cloneable

public class CircleFilter
extends TransformFilter

A filter which wraps an image around a circular arc.


Field Summary
 
Fields inherited from class com.jhlabs.image.TransformFilter
BILINEAR, CLAMP, edgeAction, interpolation, NEAREST_NEIGHBOUR, originalSpace, RGB_CLAMP, transformedSpace, WRAP, ZERO
 
Constructor Summary
CircleFilter()
          Construct a CircleFilter.
 
Method Summary
 java.awt.image.BufferedImage filter(java.awt.image.BufferedImage src, java.awt.image.BufferedImage dst)
           
 float getAngle()
          Returns the angle of the arc.
 java.awt.geom.Point2D getCentre()
          Get the centre of the effect as a proportion of the image size.
 float getCentreX()
          Get the centre of the effect in the X direction as a proportion of the image size.
 float getCentreY()
          Get the centre of the effect in the Y direction as a proportion of the image size.
 float getHeight()
          Get the height of the arc.
 float getRadius()
          Get the radius of the effect.
 float getSpreadAngle()
          Get the spread angle of the arc.
 void setAngle(float angle)
          Set the angle of the arc.
 void setCentre(java.awt.geom.Point2D centre)
          Set the centre of the effect as a proportion of the image size.
 void setCentreX(float centreX)
          Set the centre of the effect in the Y direction as a proportion of the image size.
 void setCentreY(float centreY)
          Set the centre of the effect in the Y direction as a proportion of the image size.
 void setHeight(float height)
          Set the height of the arc.
 void setRadius(float radius)
          Set the radius of the effect.
 void setSpreadAngle(float spreadAngle)
          Set the spread angle of the arc.
 java.lang.String toString()
           
protected  void transformInverse(int x, int y, float[] out)
          Inverse transform a point.
 
Methods inherited from class com.jhlabs.image.TransformFilter
filterPixelsNN, getEdgeAction, getInterpolation, setEdgeAction, setInterpolation, transformSpace
 
Methods inherited from class com.jhlabs.image.AbstractBufferedImageOp
clone, createCompatibleDestImage, getBounds2D, getPoint2D, getRenderingHints, getRGB, setRGB
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

CircleFilter

public CircleFilter()
Construct a CircleFilter.

Method Detail

setHeight

public void setHeight(float height)
Set the height of the arc.

Parameters:
height - the height
See Also:
getHeight()

getHeight

public float getHeight()
Get the height of the arc.

Returns:
the height
See Also:
setHeight(float)

setAngle

public void setAngle(float angle)
Set the angle of the arc.

Parameters:
angle - the angle of the arc.
See Also:
getAngle()

getAngle

public float getAngle()
Returns the angle of the arc.

Returns:
the angle of the arc.
See Also:
setAngle(float)

setSpreadAngle

public void setSpreadAngle(float spreadAngle)
Set the spread angle of the arc.

Parameters:
spreadAngle - the angle
See Also:
getSpreadAngle()

getSpreadAngle

public float getSpreadAngle()
Get the spread angle of the arc.

Returns:
the angle
See Also:
setSpreadAngle(float)

setRadius

public void setRadius(float radius)
Set the radius of the effect.

Parameters:
radius - the radius
See Also:
getRadius()

getRadius

public float getRadius()
Get the radius of the effect.

Returns:
the radius
See Also:
setRadius(float)

setCentreX

public void setCentreX(float centreX)
Set the centre of the effect in the Y direction as a proportion of the image size.

Parameters:
centreX - the center
See Also:
getCentreX()

getCentreX

public float getCentreX()
Get the centre of the effect in the X direction as a proportion of the image size.

Returns:
the center
See Also:
setCentreX(float)

setCentreY

public void setCentreY(float centreY)
Set the centre of the effect in the Y direction as a proportion of the image size.

Parameters:
centreY - the center
See Also:
getCentreY()

getCentreY

public float getCentreY()
Get the centre of the effect in the Y direction as a proportion of the image size.

Returns:
the center
See Also:
setCentreY(float)

setCentre

public void setCentre(java.awt.geom.Point2D centre)
Set the centre of the effect as a proportion of the image size.

Parameters:
centre - the center
See Also:
getCentre()

getCentre

public java.awt.geom.Point2D getCentre()
Get the centre of the effect as a proportion of the image size.

Returns:
the center
See Also:
setCentre(java.awt.geom.Point2D)

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)
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