using System;

using System.Collections.Generic;

using System.Text;

using System.Collections;

using System.Drawing;

using System.Drawing.Imaging;

using System.Runtime.InteropServices;



namespace BallotAiying2

{

    class UnCodebase

    {

        public Bitmap bmpobj;

        public UnCodebase(Bitmap pic)

        {

            bmpobj = new Bitmap(pic);    //转换为Format32bppRgb

        }



        /**/

        /// <summary>

        /// 根据RGB，计算灰度值

        /// </summary>

        /// <param name="posClr">Color值</param>

        /// <returns>灰度值，整型</returns>

        private int GetGrayNumColor(System.Drawing.Color posClr)

        {

            return (posClr.R * 19595 + posClr.G * 38469 + posClr.B * 7472) >> 16;

        }



        /**/

        /// <summary>

        /// 灰度转换,逐点方式

        /// </summary>

        public void GrayByPixels()

        {

            for (int i = 0; i < bmpobj.Height; i++)

            {

                for (int j = 0; j < bmpobj.Width; j++)

                {

                    int tmpValue = GetGrayNumColor(bmpobj.GetPixel(j, i));

                    bmpobj.SetPixel(j, i, Color.FromArgb(tmpValue, tmpValue, tmpValue));

                }

            }

        }



        /**/

        /// <summary>

        /// 去图形边框

        /// </summary>

        /// <param name="borderWidth"></param>

        public void ClearPicBorder(int borderWidth)

        {

            for (int i = 0; i < bmpobj.Height; i++)

            {

                for (int j = 0; j < bmpobj.Width; j++)

                {

                    if (i < borderWidth || j < borderWidth || j > bmpobj.Width - 1 - borderWidth || i > bmpobj.Height - 1 - borderWidth)

                        bmpobj.SetPixel(j, i, Color.FromArgb(255, 255, 255));

                }

            }

        }



        /**/

        /// <summary>

        /// 灰度转换,逐行方式

        /// </summary>

        public void GrayByLine()

        {

            Rectangle rec = new Rectangle(0, 0, bmpobj.Width, bmpobj.Height);

            BitmapData bmpData = bmpobj.LockBits(rec, ImageLockMode.ReadWrite, bmpobj.PixelFormat);// PixelFormat.Format32bppPArgb);

            //    bmpData.PixelFormat = PixelFormat.Format24bppRgb;

            IntPtr scan0 = bmpData.Scan0;

            int len = bmpobj.Width * bmpobj.Height;

            int[] pixels = new int[len];

            Marshal.Copy(scan0, pixels, 0, len);



            //对图片进行处理

            int GrayValue = 0;

            for (int i = 0; i < len; i++)

            {

                GrayValue = GetGrayNumColor(Color.FromArgb(pixels[i]));

                pixels[i] = (byte)(Color.FromArgb(GrayValue, GrayValue, GrayValue)).ToArgb();      //Color转byte

            }



            bmpobj.UnlockBits(bmpData);

        }



        /**/

        /// <summary>

        /// 得到有效图形并调整为可平均分割的大小

        /// </summary>

        /// <param name="dgGrayValue">灰度背景分界值</param>

        /// <param name="CharsCount">有效字符数</param>

        /// <returns></returns>

        public void GetPicValidByValue(int dgGrayValue, int CharsCount)

        {

            int posx1 = bmpobj.Width; int posy1 = bmpobj.Height;

            int posx2 = 0; int posy2 = 0;

            for (int i = 0; i < bmpobj.Height; i++)      //找有效区

            {

                for (int j = 0; j < bmpobj.Width; j++)

                {

                    int pixelValue = bmpobj.GetPixel(j, i).R;

                    if (pixelValue < dgGrayValue)     //根据灰度值

                    {

                        if (posx1 > j) posx1 = j;

                        if (posy1 > i) posy1 = i;



                        if (posx2 < j) posx2 = j;

                        if (posy2 < i) posy2 = i;

                    };

                };

            };

            // 确保能整除

            int Span = CharsCount - (posx2 - posx1 + 1) % CharsCount;   //可整除的差额数

            if (Span < CharsCount)

            {

                int leftSpan = Span / 2;    //分配到左边的空列 ，如span为单数,则右边比左边大1

                if (posx1 > leftSpan)

                    posx1 = posx1 - leftSpan;

                if (posx2 + Span - leftSpan < bmpobj.Width)

                    posx2 = posx2 + Span - leftSpan;

            }

            //复制新图

            Rectangle cloneRect = new Rectangle(posx1, posy1, posx2 - posx1 + 1, posy2 - posy1 + 1);

            bmpobj = bmpobj.Clone(cloneRect, bmpobj.PixelFormat);

        }



        /**/

        /// <summary>

        /// 得到有效图形,图形为类变量

        /// </summary>

        /// <param name="dgGrayValue">灰度背景分界值</param>

        /// <param name="CharsCount">有效字符数</param>

        /// <returns></returns>

        public void GetPicValidByValue(int dgGrayValue)

        {

            int posx1 = bmpobj.Width; int posy1 = bmpobj.Height;

            int posx2 = 0; int posy2 = 0;

            for (int i = 0; i < bmpobj.Height; i++)      //找有效区

            {

                for (int j = 0; j < bmpobj.Width; j++)

                {

                    int pixelValue = bmpobj.GetPixel(j, i).R;

                    if (pixelValue < dgGrayValue)     //根据灰度值

                    {

                        if (posx1 > j) posx1 = j;

                        if (posy1 > i) posy1 = i;



                        if (posx2 < j) posx2 = j;

                        if (posy2 < i) posy2 = i;

                    };

                };

            };

            //复制新图

            Rectangle cloneRect = new Rectangle(posx1, posy1, posx2 - posx1 + 1, posy2 - posy1 + 1);

            bmpobj = bmpobj.Clone(cloneRect, bmpobj.PixelFormat);

        }



        /**/

        /// <summary>

        /// 得到有效图形,图形由外面传入

        /// </summary>

        /// <param name="dgGrayValue">灰度背景分界值</param>

        /// <param name="CharsCount">有效字符数</param>

        /// <returns></returns>

        public Bitmap GetPicValidByValue(Bitmap singlepic, int dgGrayValue)

        {

            int posx1 = singlepic.Width; int posy1 = singlepic.Height;

            int posx2 = 0; int posy2 = 0;

            for (int i = 0; i < singlepic.Height; i++)      //找有效区

            {

                for (int j = 0; j < singlepic.Width; j++)

                {

                    int pixelValue = singlepic.GetPixel(j, i).R;

                    if (pixelValue < dgGrayValue)     //根据灰度值

                    {

                        if (posx1 > j) posx1 = j;

                        if (posy1 > i) posy1 = i;



                        if (posx2 < j) posx2 = j;

                        if (posy2 < i) posy2 = i;

                    };

                };

            };

            //复制新图

            Rectangle cloneRect = new Rectangle(posx1, posy1, posx2 - posx1 + 1, posy2 - posy1 + 1);

            return singlepic.Clone(cloneRect, singlepic.PixelFormat);

        }



        /**/

        /// <summary>

        /// 平均分割图片

        /// </summary>

        /// <param name="RowNum">水平上分割数</param>

        /// <param name="ColNum">垂直上分割数</param>

        /// <returns>分割好的图片数组</returns>

        public Bitmap[] GetSplitPics(int RowNum, int ColNum)

        {

            if (RowNum == 0 || ColNum == 0)

                return null;

            int singW = bmpobj.Width / RowNum;

            int singH = bmpobj.Height / ColNum;

            Bitmap[] PicArray = new Bitmap[RowNum * ColNum];



            Rectangle cloneRect;

            for (int i = 0; i < ColNum; i++)      //找有效区

            {

                for (int j = 0; j < RowNum; j++)

                {

                    cloneRect = new Rectangle(j * singW, i * singH, singW, singH);

                    PicArray[i * RowNum + j] = bmpobj.Clone(cloneRect, bmpobj.PixelFormat);//复制小块图

                }

            }

            return PicArray;

        }



        /**/

        /// <summary>

        /// 返回灰度图片的点阵描述字串，1表示灰点，0表示背景

        /// </summary>

        /// <param name="singlepic">灰度图</param>

        /// <param name="dgGrayValue">背前景灰色界限</param>

        /// <returns></returns>

        public string GetSingleBmpCode(Bitmap singlepic, int dgGrayValue)

        {

            Color piexl;

            string code = "";

            for (int posy = 0; posy < singlepic.Height; posy++)

                for (int posx = 0; posx < singlepic.Width; posx++)

                {

                    piexl = singlepic.GetPixel(posx, posy);

                    if (piexl.R < dgGrayValue)    // Color.Black )

                        code = code + "1";

                    else

                        code = code + "0";

                }

            return code;

        }

    }

}

using System;

using System.Collections.Generic;

using System.Text;

using System.Drawing;



namespace BallotAiying2

{

    class unCodeAiYing : UnCodebase

    {

        //字符表 顺序为0..9,A..Z,a..z

        string[] CodeArray = new string[] {

"001100010010100001100001100001100001100001100001010010001100",

"00100011001010000100001000010000100001000010011111",

"011110100001100001000001000110001000010000100000100000111111",

"011110100001100001000001001110000001000001100001100001011110",

"000010000110001010010010100010100010111111000010000010000010",

"111111100000100000100000111110000001000001000001100001011110",

"001110010000100000100000111110100001100001100001100001011110",

"111111000001000001000010000010000010000100000100000100000100",

"011110100001100001100001011110100001100001100001100001011110",

"011110100001100001100001011111000001000001000001000010011100",

"001100010010100001100001100001111111100001100001100001100001",

"111110100001100001100001111110100001100001100001100001111110",

"011110100001100000100000100000100000100000100000100001011110",

"111100100010100001100001100001100001100001100001100010111100",

"111111100000100000100000111110100000100000100000100000111111",

"111111100000100000100000111110100000100000100000100000100000",

"011110100001100000100000100000100111100001100001100011011101",

"100001100001100001100001111111100001100001100001100001100001",

"11111001000010000100001000010000100001000010011111",

"000111000010000010000010000010000010000010100010100010011100",

"100001100010100100101000110000110000101000100100100010100001",

"100000100000100000100000100000100000100000100000100000111111",

"1000001110001111000111010101101010110010011001001100000110000011000001",

"100001110001110001101001101001100101100101100011100011100001",

"011110100001100001100001100001100001100001100001100001011110",

"111110100001100001100001111110100000100000100000100000100000",

"01111001000010100001010000101000010100001010000101011010110011001111000000011",

"111110100001100001100001111110100100100010100010100001100001",

"011110100001100001100000011000000110000001100001100001011110",

"1111111000100000010000001000000100000010000001000000100000010000001000",

"100001100001100001100001100001100001100001100001100001011110",

"1000001100000110000010100010010001001000100010100001010000010000001000",

"1000001100000110000011001001100100110010011001001101010110101010100010",

"100001100001010010010010001100001100010010010010100001100001",

"1000001100000101000100100010001010000010000001000000100000010000001000",

"111111000001000001000010000100001000010000100000100000111111",

"011110100001000111011001100001100011011101",

"100000100000100000101110110001100001100001100001110001101110",

"011110100001100000100000100000100001011110",

"000001000001000001011101100011100001100001100001100011011101",

"011110100001100001111111100000100000011110",

"001110010001010000010000111110010000010000010000010000010000",

"000001011101100010100010100010011100010000011110100001100001011110",

"100000100000100000101110110001100001100001100001100001100001",

"00100001000000001100001000010000100001000010011111",

"00001000010000000011000010000100001000010000100001000011001001100",

"100000100000100000100010100100101000111000100100100010100001",

"01100001000010000100001000010000100001000010011111",

"1110110100100110010011001001100100110010011001001",

"101110110001100001100001100001100001100001",

"011110100001100001100001100001100001011110",

"101110110001100001100001100001110001101110100000100000100000",

"011101100011100001100001100001100011011101000001000001000001",

"101110110001100000100000100000100000100000",

"011110100001100000011110000001100001011110",

"001000001000111110001000001000001000001000001000001001000110",

"100001100001100001100001100001100011011101",

"100001100001100001010010010010001100001100",

"1000001100100110010011001001100100110101010100010",

"100001100001010010001100010010100001100001",

"100001100001100001100001100001010011001101000001000010011100",

"111111000010000100001000010000100000111111"

        };



        public unCodeAiYing(Bitmap pic)

            : base(pic)

        {

        }



        public string getPicnum()

        {

            GrayByPixels(); //灰度处理

            GetPicValidByValue(128, 4); //得到有效空间

            Bitmap[] pics = GetSplitPics(4, 1);     //分割



            if (pics.Length != 4)

            {

                return ""; //分割错误

            }

            else  // 重新调整大小

            {

                pics[0] = GetPicValidByValue(pics[0], 128);

                pics[1] = GetPicValidByValue(pics[1], 128);

                pics[2] = GetPicValidByValue(pics[2], 128);

                pics[3] = GetPicValidByValue(pics[3], 128);

            }



            //      if (!textBoxInput.Text.Equals(""))

            string result = "";

            char singleChar = ' ';

            {

                for (int i = 0; i < 4; i++)

                {

                    string code = GetSingleBmpCode(pics[i], 128);   //得到代码串



                    for (int arrayIndex = 0; arrayIndex < CodeArray.Length; arrayIndex++)

                    {

                        if (CodeArray[arrayIndex].Equals(code))  //相等

                        {

                            if (arrayIndex < 10)   // 0..9

                                singleChar = (char)(48 + arrayIndex);

                            else if (arrayIndex < 36) //A..Z

                                singleChar = (char)(65 + arrayIndex - 10);

                            else

                                singleChar = (char)(97 + arrayIndex - 36);

                            result = result + singleChar;

                        }

                    }

                }

            }

            return result;

        }

    }

}

 AddMsg(System.DateTime.Now.ToString() + "获取购票验证码中!\r\n");

            string url = "https://dynamic.12306.cn/otsweb/passCodeAction.do?rand=randp";



            Stream stream = null;

            for (int i = 0; i < 10000; i++)

            {

                stream = HttpHelper.GetResponseImage(url);

                if (stream != null)

                {

                    break;

                }

                else

                {

                    //SetLoginResult("获取购票验证码失败，正在进行第" + i.ToString() + "次重试");

                    AddMsg(System.DateTime.Now.ToString() + "获取验证码失败，正在进行第" + i.ToString() + "次重试\r\n");

                }

            }



            Image image = Image.FromStream(stream);

            this.pictureBox2.Image = image;

            //SetLoginResult("验证码获取成功");

            AddMsg(System.DateTime.Now.ToString() + "购票验证码获取成功\r\n");

            // byte[] bytes = StreamToBytes(stream);

            Bitmap bp = (Bitmap)image;

            unCodeAiYing ucodeay = new unCodeAiYing(bp);

            string code = ucodeay.getPicnum();

            txt_code_goupiao.Text = code.Trim();