cn.apiclub.captcha.filter.image

类 NoiseFilter

java.lang.Object

cn.apiclub.captcha.filter.image.AbstractBufferedImageOp

cn.apiclub.captcha.filter.image.PointFilter

cn.apiclub.captcha.filter.image.NoiseFilter

所有已实现的接口:

BufferedImageOp, Cloneable

public class NoiseFilter
extends PointFilter

A filter which adds random noise into an image.

字段概要

字段

限定符和类型	字段和说明
static int	GAUSSIAN Gaussian distribution for the noise.
static int	UNIFORM Uniform distribution for the noise.

从类继承的字段 cn.apiclub.captcha.filter.image.PointFilter

canFilterIndexColorModel

构造器概要

构造器

构造器和说明
NoiseFilter()

方法概要

方法

限定符和类型	方法和说明
int	filterRGB(int x, int y, int rgb)
int	getAmount() Get the amount of noise.
float	getDensity() Get the density of the noise.
int	getDistribution() Get the distribution of the noise.
boolean	getMonochrome() Get whether to use monochrome noise.
void	setAmount(int amount) Set the amount of effect.
void	setDensity(float density) Set the density of the noise.
void	setDistribution(int distribution) Set the distribution of the noise.
void	setMonochrome(boolean monochrome) Set whether to use monochrome noise.
String	toString()

从类继承的方法 cn.apiclub.captcha.filter.image.PointFilter

filter, setDimensions

从类继承的方法 cn.apiclub.captcha.filter.image.AbstractBufferedImageOp

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

从类继承的方法 java.lang.Object

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

字段详细资料

GAUSSIAN

public static final int GAUSSIAN

Gaussian distribution for the noise.

另请参阅:

常量字段值

UNIFORM

public static final int UNIFORM

Uniform distribution for the noise.

另请参阅:

常量字段值

构造器详细资料

NoiseFilter

public NoiseFilter()

方法详细资料

setAmount

public void setAmount(int amount)

Set the amount of effect.

参数:

amount - the amount

另请参阅:

getAmount()

getAmount

public int getAmount()

Get the amount of noise.

返回:

the amount

另请参阅:

setAmount(int)

setDistribution

public void setDistribution(int distribution)

Set the distribution of the noise.

参数:

distribution - the distribution

另请参阅:

getDistribution()

getDistribution

public int getDistribution()

Get the distribution of the noise.

返回:

the distribution

另请参阅:

setDistribution(int)

setMonochrome

public void setMonochrome(boolean monochrome)

Set whether to use monochrome noise.

参数:

monochrome - true for monochrome noise

另请参阅:

getMonochrome()

getMonochrome

public boolean getMonochrome()

Get whether to use monochrome noise.

返回:

true for monochrome noise

另请参阅:

setMonochrome(boolean)

setDensity

public void setDensity(float density)

Set the density of the noise.

参数:

density - the density

另请参阅:

getDensity()

getDensity

public float getDensity()

Get the density of the noise.

返回:

the density

另请参阅:

setDensity(float)

filterRGB

public int filterRGB(int x,
            int y,
            int rgb)

指定者:

filterRGB 在类中 PointFilter

toString

public String toString()

覆盖:

toString 在类中 Object