Package com.xxl.tool.captcha

Class CaptchaTool.RippleDistorted

java.lang.Object

com.xxl.tool.captcha.CaptchaTool.RippleDistorted

All Implemented Interfaces:

CaptchaTool.DistortedEngine

Enclosing class:

CaptchaTool

public static class CaptchaTool.RippleDistorted
extends Object
implements CaptchaTool.DistortedEngine

波纹效果

Constructor Summary

Constructors

Constructor	Description
RippleDistorted()

Method Summary

Modifier and Type	Method	Description
BufferedImage	getDistortedImage(BufferedImage baseImage)
BufferedImage	rippleFilter(BufferedImage src)	波纹 1、功能：添加波纹效果 2、原理：波纹效果是通过对图像进行扭曲和变形来实现的。
protected void	transformInverseForRipple(int x, int y, float[] out, float xWavelength, float yWavelength, float xAmplitude, float yAmplitude)	实现波纹扭曲效果 1、接收一个坐标点(x,y)和一系列参数，然后计算出经过波纹扭曲后的新坐标

Methods inherited from class java.lang.Object

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

Constructor Details

RippleDistorted

public RippleDistorted()

Method Details

getDistortedImage

public BufferedImage getDistortedImage(BufferedImage baseImage)

Specified by:

getDistortedImage in interface CaptchaTool.DistortedEngine

rippleFilter

public BufferedImage rippleFilter(BufferedImage src)

波纹 1、功能：添加波纹效果 2、原理：波纹效果是通过对图像进行扭曲和变形来实现的。波纹效果是通过对图像进行扭曲和变形来实现的。波纹效果是通过对图像进行扭曲和变形来实现的。

transformInverseForRipple

protected void transformInverseForRipple(int x,
 int y,
 float[] out,
 float xWavelength,
 float yWavelength,
 float xAmplitude,
 float yAmplitude)

实现波纹扭曲效果 1、接收一个坐标点(x,y)和一系列参数，然后计算出经过波纹扭曲后的新坐标