com.octo.captcha.image.fisheye
Class FishEye

java.lang.Object
  com.octo.captcha.image.ImageCaptcha
      com.octo.captcha.image.fisheye.FishEye

All Implemented Interfaces:

Captcha, java.io.Serializable

public class FishEye
extends ImageCaptcha

FishEye is an ImageCaptcha

• Challenge type : image
• Response type : a point position, in pixels from the bottom left, can be : a String with two numbers separated with a comma or a java.awt.Point
• Description : An image of a distorded picture. User have to point the center of the deformation and to submit it.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.octo.captcha.image.ImageCaptcha

challenge, question

Constructor Summary

protected

FishEye(java.lang.String question, java.awt.image.BufferedImage challenge, java.awt.Point deformationCenter, java.lang.Integer tolerance)

Method Summary

java.lang.Boolean

validateResponse(java.lang.Object response) Validation routine for the response.

Methods inherited from class com.octo.captcha.image.ImageCaptcha

disposeChallenge, getChallenge, getImageChallenge, getQuestion, hasGetChalengeBeenCalled

Methods inherited from class java.lang.Object

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

Constructor Detail

FishEye

protected FishEye(java.lang.String question,
                  java.awt.image.BufferedImage challenge,
                  java.awt.Point deformationCenter,
                  java.lang.Integer tolerance)

Parameters:

question - the question

challenge - the imageChallenge

deformationCenter - the center of the deformation that has been applied to the image in order to validate the answer

tolerance - the max distance to the center of the deformation accepted by the validation routine in pixels.

Method Detail

validateResponse

public java.lang.Boolean validateResponse(java.lang.Object response)

Validation routine for the response.

Parameters:

response - to the question concerning the chalenge

Returns:

true if the answer is correct, false otherwise.