cn.apiclub.captcha.filter.image

类 DissolveFilter

java.lang.Object

cn.apiclub.captcha.filter.image.AbstractBufferedImageOp

cn.apiclub.captcha.filter.image.PointFilter

cn.apiclub.captcha.filter.image.DissolveFilter

所有已实现的接口:

BufferedImageOp, Cloneable

public class DissolveFilter
extends PointFilter

A filter which "dissolves" an image by thresholding the alpha channel with random numbers.

字段概要

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
DissolveFilter()

方法概要

方法

限定符和类型	方法和说明
BufferedImage	filter(BufferedImage src, BufferedImage dst)
int	filterRGB(int x, int y, int rgb)
float	getDensity() Get the density of the image.
float	getSoftness() Get the softness of the dissolve.
void	setDensity(float density) Set the density of the image in the range 0..1.
void	setSoftness(float softness) Set the softness of the dissolve in the range 0..1.
String	toString()

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

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

构造器详细资料

DissolveFilter

public DissolveFilter()

方法详细资料

setDensity

public void setDensity(float density)

Set the density of the image in the range 0..1.

参数:

density - the density

另请参阅:

getDensity()

getDensity

public float getDensity()

Get the density of the image.

返回:

the density

另请参阅:

setDensity(float)

setSoftness

public void setSoftness(float softness)

Set the softness of the dissolve in the range 0..1.

参数:

softness - the softness

另请参阅:

getSoftness()

getSoftness

public float getSoftness()

Get the softness of the dissolve.

返回:

the softness

另请参阅:

setSoftness(float)

filter

public BufferedImage filter(BufferedImage src,
                   BufferedImage dst)

指定者:

filter 在接口中 BufferedImageOp

覆盖:

filter 在类中 PointFilter

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