com.google.code.kaptcha.impl
Class DefaultNoise

java.lang.Object
  com.google.code.kaptcha.util.Configurable
      com.google.code.kaptcha.impl.DefaultNoise

All Implemented Interfaces:

NoiseProducer

public class DefaultNoise
extends Configurable
implements NoiseProducer

The default implementation of NoiseProducer, adds a noise on an image.

Constructor Summary

DefaultNoise()

Method Summary

void	makeNoise(BufferedImage image, float factorOne, float factorTwo, float factorThree, float factorFour) Draws a noise on the image.

Methods inherited from class com.google.code.kaptcha.util.Configurable

getConfig, setConfig

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultNoise

public DefaultNoise()

Method Detail

makeNoise

public void makeNoise(BufferedImage image,
                      float factorOne,
                      float factorTwo,
                      float factorThree,
                      float factorFour)

Draws a noise on the image. The noise curve depends on the factor values. Noise won't be visible if all factors have the value > 1.0f

Specified by:

makeNoise in interface NoiseProducer

Parameters:

image - the image to add the noise to

factorOne -

factorTwo -

factorThree -

factorFour -