import java.awt.Colorimport java.awt.Fontimport nl.captcha.Captchaimport nl.captcha.backgrounds.*import nl.captcha.gimpy.*import nl.captcha.text.renderer.*import nl.captcha.servlet.CaptchaServletUtil/*** Exercise the different gimpy renderers.***/class GimpyController {    def final WIDTH = 200    def final HEIGHT = 50    def simple = {        def captcha = new Captcha.Builder(WIDTH, HEIGHT)            .addText()            .gimp()            .build()        CaptchaServletUtil.writeImage(response, captcha.image)    }    def fisheye = {        def captcha = new Captcha.Builder(WIDTH, HEIGHT)            .addText()            .gimp(new FishEyeGimpyRenderer(Color.RED, Color.BLUE))            .build()        CaptchaServletUtil.writeImage(response, captcha.image)    }    def ripple = {        def captcha = new Captcha.Builder(WIDTH, HEIGHT)            .addText()            .gimp(new RippleGimpyRenderer())            .build()        CaptchaServletUtil.writeImage(response, captcha.image)    }    def shear = {        def captcha = new Captcha.Builder(WIDTH, HEIGHT)            .addText()            .gimp(new ShearGimpyRenderer())            .build()        CaptchaServletUtil.writeImage(response, captcha.image)    }    def shadow = {        def captcha = new Captcha.Builder(WIDTH, HEIGHT)            .addText()            .gimp(new DropShadowGimpyRenderer())            .build()        CaptchaServletUtil.writeImage(response, captcha.image)    }    def block = {        def captcha = new Captcha.Builder(WIDTH, HEIGHT)            .addText()            .gimp(new BlockGimpyRenderer())            .build()        CaptchaServletUtil.writeImage(response, captcha.image)    }    def blockbig = {        def captcha = new Captcha.Builder(WIDTH, HEIGHT)            .addText()            .gimp(new BlockGimpyRenderer(5))            .build()        CaptchaServletUtil.writeImage(response, captcha.image)    }    def example = {        Captcha captcha = new Captcha.Builder(200, 50)            .addText()            .addBackground()            .addNoise()            .gimp()            .addBorder()            .build()         CaptchaServletUtil.writeImage(response, captcha.image)    }    def multi = {        def f = [new Font("Arial", Font.PLAIN, 48),            new Font("Times", Font.PLAIN, 46)]        def c = [Color.BLACK, Color.RED]        def captcha = new Captcha.Builder(225, 75)            // .addText(new ColoredEdgesWordRenderer(c, f))            .addText(new DefaultWordRenderer(c[1], f))            // .gimp(new DropShadowGimpyRenderer())            .addBackground(new SquigglesBackgroundProducer())            .addNoise()            .gimp()            .build()        CaptchaServletUtil.writeImage(response, captcha.image)    }}