cn.apiclub.captcha.filter.image

类 PosterizeFilter

java.lang.Object

cn.apiclub.captcha.filter.image.AbstractBufferedImageOp

cn.apiclub.captcha.filter.image.PointFilter

cn.apiclub.captcha.filter.image.PosterizeFilter

所有已实现的接口:

BufferedImageOp, Cloneable

public class PosterizeFilter
extends PointFilter

A filter to posterize an image.

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
PosterizeFilter()

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	getNumLevels() Get the number of levels in the output image.
protected void	initialize() Initialize the filter.
void	setNumLevels(int numLevels) Set the number of levels in the output image.
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

构造器详细资料

PosterizeFilter

public PosterizeFilter()

方法详细资料

setNumLevels

public void setNumLevels(int numLevels)

Set the number of levels in the output image.

参数:

numLevels - the number of levels

另请参阅:

getNumLevels()

getNumLevels

public int getNumLevels()

Get the number of levels in the output image.

返回:

the number of levels

另请参阅:

setNumLevels(int)

initialize

protected void initialize()

Initialize the filter.

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