using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using sharpknife.Utils;

namespace sharpknife.Captchas
{
    public class StringsCaptcha : Captcha
    {
        public override float Contrast { get { return 0.5f; } }

        public override void Clean(Bitmap image)
        {
            Graphics graphics = Graphics.FromImage(image);

            ImageUtils.IncreaseContrast(image, Contrast);
        }

        public override string Decaptcha(Bitmap image)
        {
            return ImageUtils.ParseStringCaptcha(image);
        }
    }
}