com.octo.captcha.component.image.textpaster
Class NonLinearTextPaster

java.lang.Object
  com.octo.captcha.component.image.textpaster.AbstractTextPaster
      com.octo.captcha.component.image.textpaster.NonLinearTextPaster

All Implemented Interfaces:

TextPaster

public class NonLinearTextPaster
extends AbstractTextPaster

Pastes characters in differents height lines in the background

Field Summary

Fields inherited from class com.octo.captcha.component.image.textpaster.AbstractTextPaster

myRandom

Constructor Summary

NonLinearTextPaster(java.lang.Integer minAcceptedWordLength, java.lang.Integer maxAcceptedWordLength, java.awt.Color textColor)

NonLinearTextPaster(java.lang.Integer minAcceptedWordLength, java.lang.Integer maxAcceptedWordLength, ColorGenerator colorGenerator)

NonLinearTextPaster(java.lang.Integer minAcceptedWordLength, java.lang.Integer maxAcceptedWordLength, ColorGenerator colorGenerator, java.lang.Boolean manageColorPerGlyph)

Method Summary

java.awt.image.BufferedImage

pasteText(java.awt.image.BufferedImage background, java.text.AttributedString attributedWord) Pastes the attributed string on the backround image and return the final image.

Methods inherited from class com.octo.captcha.component.image.textpaster.AbstractTextPaster

getColorGenerator, getMaxAcceptedWordLenght, getMaxAcceptedWordLength, getMinAcceptedWordLenght, getMinAcceptedWordLength, isManageColorPerGlyph, setColorGenerator

Methods inherited from class java.lang.Object

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

Constructor Detail

NonLinearTextPaster

public NonLinearTextPaster(java.lang.Integer minAcceptedWordLength,
                           java.lang.Integer maxAcceptedWordLength,
                           java.awt.Color textColor)

NonLinearTextPaster

public NonLinearTextPaster(java.lang.Integer minAcceptedWordLength,
                           java.lang.Integer maxAcceptedWordLength,
                           ColorGenerator colorGenerator)

NonLinearTextPaster

public NonLinearTextPaster(java.lang.Integer minAcceptedWordLength,
                           java.lang.Integer maxAcceptedWordLength,
                           ColorGenerator colorGenerator,
                           java.lang.Boolean manageColorPerGlyph)

Method Detail

pasteText

public java.awt.image.BufferedImage pasteText(java.awt.image.BufferedImage background,
                                              java.text.AttributedString attributedWord)
                                       throws CaptchaException

Pastes the attributed string on the backround image and return the final image. Implementation must take into account the fact that the text must be readable by human and non by programs.

Returns:

the final image

Throws:

CaptchaException - if any exception accurs during paste routine.