package com.github.zhangkaitao.shiro.chapter22.jcaptcha;
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;
import java.awt.*;
import java.awt.image.ImageFilter;
/**
* from https://code.google.com/p/musicvalley/source/browse/trunk/musicvalley/doc/springSecurity/springSecurityIII/src/main/java/com/spring/security/jcaptcha/GMailEngine.java?spec=svn447&r=447
* 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.
*/
public class GMailEngine extends ListImageCaptchaEngine {
@Override
protected void buildInitialFactories() {
// 图片和字体大小设置
int minWordLength = 4;
int maxWordLength = 5;
int fontSize = 20;
int imageWidth = 100;
int imageHeight = 36;
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));
}
}