cn.apiclub.captcha.filter.image

类 SaturationFilter

java.lang.Object

cn.apiclub.captcha.filter.image.AbstractBufferedImageOp

cn.apiclub.captcha.filter.image.PointFilter

cn.apiclub.captcha.filter.image.SaturationFilter

所有已实现的接口:

BufferedImageOp, Cloneable

public class SaturationFilter
extends PointFilter

A filter to change the saturation of an image. This works by calculating a grayscale version of the image and then extrapolating away from it.

字段概要

字段

限定符和类型	字段和说明
float	amount

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
SaturationFilter() Construct a SaturationFilter.
SaturationFilter(float amount) Construct a SaturationFilter.

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)
float	getAmount() Set the amount of saturation change.
void	setAmount(float amount) Set the amount of saturation change. 1 leaves the image unchanged, values between 0 and 1 desaturate, 0 completely desaturates it and values above 1 increase the saturation.
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

amount

public float amount

构造器详细资料

SaturationFilter

public SaturationFilter()

Construct a SaturationFilter.

SaturationFilter

public SaturationFilter(float amount)

Construct a SaturationFilter. The amount of saturation change.

方法详细资料

setAmount

public void setAmount(float amount)

Set the amount of saturation change. 1 leaves the image unchanged, values between 0 and 1 desaturate, 0 completely desaturates it and values above 1 increase the saturation.

参数:

amount - the amount

getAmount

public float getAmount()

Set the amount of saturation change.

返回:

the amount

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