/**
* Copyright (c) 2005-2010 springside.org.cn
*
* Licensed under the Apache License, Version 2.0 (the "License");
*
* $Id: GMailEngine.java 1211 2010-09-10 16:20:45Z calvinxiu $
*/
package org.springside.modules.security.jcaptcha;
import java.awt.Color;
import java.awt.Font;
import java.awt.image.ImageFilter;
import com.octo.captcha.component.image.backgroundgenerator.BackgroundGenerator;
import com.octo.captcha.component.image.backgroundgenerator.UniColorBackgroundGenerator;
import com.octo.captcha.component.image.color.RandomListColorGenerator;
import com.octo.captcha.component.image.deformation.ImageDeformation;
import com.octo.captcha.component.image.deformation.ImageDeformationByFilters;
import com.octo.captcha.component.image.fontgenerator.FontGenerator;
import com.octo.captcha.component.image.fontgenerator.RandomFontGenerator;
import com.octo.captcha.component.image.textpaster.DecoratedRandomTextPaster;
import com.octo.captcha.component.image.textpaster.TextPaster;
import com.octo.captcha.component.image.textpaster.textdecorator.TextDecorator;
import com.octo.captcha.component.image.wordtoimage.DeformedComposedWordToImage;
import com.octo.captcha.component.image.wordtoimage.WordToImage;
import com.octo.captcha.component.word.FileDictionary;
import com.octo.captcha.component.word.wordgenerator.ComposeDictionaryWordGenerator;
import com.octo.captcha.component.word.wordgenerator.WordGenerator;
import com.octo.captcha.engine.image.ListImageCaptchaEngine;
import com.octo.captcha.image.gimpy.GimpyFactory;
/**
* JCaptcha验证码图片生成引擎,仿照JCaptcha2.0编写类似GMail验证码的样式.
*
* @author calvin
*/
public class GMailEngine extends ListImageCaptchaEngine {
@Override
protected void buildInitialFactories() {
int minWordLength = 4;
int maxWordLength = 5;
int fontSize = 50;
int imageWidth = 250;
int imageHeight = 100;
//word generator
WordGenerator dictionnaryWords = new ComposeDictionaryWordGenerator(new FileDictionary("toddlist"));
//word2image components
TextPaster randomPaster = new DecoratedRandomTextPaster(minWordLength, maxWordLength,
new RandomListColorGenerator(new Color[] { new Color(23, 170, 27), new Color(220, 34, 11),
new Color(23, 67, 172) }), new TextDecorator[] {});
BackgroundGenerator background = new UniColorBackgroundGenerator(imageWidth, imageHeight, Color.white);
FontGenerator font = new RandomFontGenerator(fontSize, fontSize, new Font[] {
new Font("nyala", Font.BOLD, fontSize), new Font("Bell MT", Font.PLAIN, fontSize),
new Font("Credit valley", Font.BOLD, fontSize) });
ImageDeformation postDef = new ImageDeformationByFilters(new ImageFilter[] {});
ImageDeformation backDef = new ImageDeformationByFilters(new ImageFilter[] {});
ImageDeformation textDef = new ImageDeformationByFilters(new ImageFilter[] {});
WordToImage word2image = new DeformedComposedWordToImage(font, background, randomPaster, backDef, textDef,
postDef);
addFactory(new GimpyFactory(dictionnaryWords, word2image));
}
}