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

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

All Implemented Interfaces:

TextPaster

Direct Known Subclasses:

BaffleRandomTextPaster, DoubleRandomTextPaster, LineRandomTextPaster

public class RandomTextPaster
extends AbstractTextPaster

Paste the text randomly on the background

Field Summary

protected int	kerning
protected java.awt.Color[]	textColors

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

myRandom

Constructor Summary

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

RandomTextPaster(java.lang.Integer minAcceptedWordLength, java.lang.Integer maxAcceptedWordLength, java.awt.Color[] textColors)

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

RandomTextPaster(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 attributedString) Paste the text randomly on the background.

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

Field Detail

kerning

protected final int kerning

See Also:

Constant Field Values

textColors

protected java.awt.Color[] textColors

Constructor Detail

RandomTextPaster

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

RandomTextPaster

public RandomTextPaster(java.lang.Integer minAcceptedWordLength,
                        java.lang.Integer maxAcceptedWordLength,
                        java.awt.Color[] textColors)

RandomTextPaster

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

RandomTextPaster

public RandomTextPaster(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 attributedString)

Paste the text randomly on the background.

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.