com.sun.scenario.effect.impl.state

Class BoxBlurState

java.lang.Object

com.sun.scenario.effect.impl.state.LinearConvolveKernel

com.sun.scenario.effect.impl.state.HVSeparableKernel

com.sun.scenario.effect.impl.state.BoxBlurState

Direct Known Subclasses:

BoxShadowState

public class BoxBlurState
extends HVSeparableKernel

The state and implementation class for calculating 1 dimensional linear convolution kernels for performing multi-pass box blurs.

Field Summary

Fields

Modifier and Type	Field and Description
private int	blurPasses
private int	hsize
private int	vsize

Constructor Summary

Constructors

Constructor and Description
BoxBlurState()

Method Summary

Modifier and Type	Method and Description
int	getBlurPasses()
int	getHsize()
int	getKernelSize(int pass) Returns the size of the kernel for a given pass.
LinearConvolveRenderState	getRenderState(BaseTransform filtertx)
Color4f	getShadowColor()
float	getSpread()
int	getVsize()
boolean	isNop() Returns true if the entire operation of this linear convolution would have no effect on the source data.
void	setBlurPasses(int blurPasses)
void	setHsize(int hsize)
void	setVsize(int vsize)

Methods inherited from class com.sun.scenario.effect.impl.state.HVSeparableKernel

getResultBounds

Methods inherited from class com.sun.scenario.effect.impl.state.LinearConvolveKernel

isShadow

Methods inherited from class java.lang.Object

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

Field Detail

hsize

private int hsize

vsize

private int vsize

blurPasses

private int blurPasses

Constructor Detail

BoxBlurState

public BoxBlurState()

Method Detail

getHsize

public int getHsize()

setHsize

public void setHsize(int hsize)

getVsize

public int getVsize()

setVsize

public void setVsize(int vsize)

getBlurPasses

public int getBlurPasses()

setBlurPasses

public void setBlurPasses(int blurPasses)

getShadowColor

public Color4f getShadowColor()

getSpread

public float getSpread()

getRenderState

public LinearConvolveRenderState getRenderState(BaseTransform filtertx)

Specified by:

getRenderState in class LinearConvolveKernel

isNop

public boolean isNop()

Description copied from class: LinearConvolveKernel

Returns true if the entire operation of this linear convolution would have no effect on the source data.

Overrides:

isNop in class LinearConvolveKernel

Returns:

true if the operation is a NOP

getKernelSize

public int getKernelSize(int pass)

Description copied from class: LinearConvolveKernel

Returns the size of the kernel for a given pass.

Specified by:

getKernelSize in class LinearConvolveKernel

Parameters:

pass - the pass of the algorithm being performed

Returns:

the size of the kernel for the given pass