cn.apiclub.captcha.filter.image

类 LookupFilter

java.lang.Object

cn.apiclub.captcha.filter.image.AbstractBufferedImageOp

cn.apiclub.captcha.filter.image.PointFilter

cn.apiclub.captcha.filter.image.LookupFilter

所有已实现的接口:

BufferedImageOp, Cloneable

public class LookupFilter
extends PointFilter

A filter which uses the brightness of each pixel to lookup a color from a colormap.

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
LookupFilter() Construct a LookupFilter.
LookupFilter(Colormap colormap) Construct a LookupFilter.

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)
Colormap	getColormap() Get the colormap to be used for the filter.
void	setColormap(Colormap colormap) Set the colormap to be used for the filter.
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

LookupFilter

public LookupFilter()

Construct a LookupFilter.

LookupFilter

public LookupFilter(Colormap colormap)

Construct a LookupFilter.

参数:

colormap - the color map

方法详细资料

setColormap

public void setColormap(Colormap colormap)

Set the colormap to be used for the filter.

参数:

colormap - the colormap

另请参阅:

getColormap()

getColormap

public Colormap getColormap()

Get the colormap to be used for the filter.

返回:

the colormap

另请参阅:

setColormap(cn.apiclub.captcha.filter.image.Colormap)

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