using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

namespace TemplateMatching3

{

  public partial class Form1 : Form

  {

    public Form1()

    {

      InitializeComponent();

    }

    private void templateButton_Click(object sender, EventArgs e)

    {

      OpenFileDialog ofd = new OpenFileDialog();

      ofd.Filter = "BMP|*.BMP|すべてのファイル|*.*";

      if (ofd.ShowDialog() == DialogResult.OK)

      {

        this.templateTextBox.Text = ofd.FileName;

        this.templatePictureBox.Image = LoadImage(this.templateTextBox.Text);

      }

    }

    private void imagesButton_Click(object sender, EventArgs e)

    {

      OpenFileDialog ofd = new OpenFileDialog();

      ofd.Multiselect = true;  // 複数の画像を選択できるようにする

      ofd.Filter = "BMP|*.BMP|すべてのファイル|*.*";

      if (ofd.ShowDialog() == DialogResult.OK)

      {

        foreach (string s in ofd.FileNames)

        {

          this.imagesTextBox.Text += s + "\r\n";

        }

      }

    }

    //戻り値：違いの度合いを返す。

    private long match(Bitmap image)

    {

      Color i;

      Color t;

      int width, height;

      long sum = 0;

      //　2枚の画像の左上をあわせて、重なっている部分のみマッチさせる方法で処理

      width = image.Width < template.Width ? image.Width : template.Width;

      height = image.Height < template.Height ? image.Height : template.Height;

      for (int y = 0; y < height; y++)

      {

        for (int x = 0; x < width; x++)

        {

          i = image.GetPixel(x, y);

          t = template.GetPixel(x, y);

          sum += Math.Abs(i.R - t.R) + Math.Abs(i.G - t.G) + Math.Abs(i.B - t.B);

        }

      }

      return sum;

    }

    private void goButton_Click(object sender, EventArgs e)

    {

      this.outLabel.Text = "お待ちください\r\nイメージ読込中";

      this.outLabel.Update();

      template = LoadImage(this.templateTextBox.Text);

      if (template == null)

      {

        this.outLabel.Text = "テンプレ画像エラー";

        this.outLabel.Update();

        return;

      }

      this.templatePictureBox.Image = template;

      string[] files = this.imagesTextBox.Text.Split('\n');

      int filesIndex = 0;

      int imagesIndex = 0;

      images.Initialize();

      while (imagesIndex < maxImage && filesIndex < files.Length)

      {

        images[imagesIndex] = LoadImage(files[filesIndex]);

        if (images[imagesIndex] == null)

        {

          filesIndex++;

          continue;

        }/*

        try

        {

          //MessageBox.Show(files[filesIndex]); //  デバッグ用

          images[imagesIndex] = new Bitmap(files[filesIndex]);

        }

        catch

        {

          filesIndex++;

          continue;

        }*/

        filesIndex++;

        imagesIndex++;

      }

      imageNumber = imagesIndex;

      this.outLabel.Text = "お待ちください\r\nマッチング中";

      this.outLabel.Update();

      long[] imagesDifference = new long[imageNumber];

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

      {

        imagesDifference[i] = match(images[i]);

      }

      // 低速のバブルソート。参考：http://ufcpp.net/study/algorithm/sort_bubble.html

      for (int i = 0; i < imageNumber - 1; i++)

      {

        for (int j = imageNumber - 1; j > i; j--)

        {

          if (imagesDifference[j] < imagesDifference[j - 1])

          {

            Swap(ref imagesDifference[j], ref imagesDifference[j - 1]);

            Swap(ref images[j], ref images[j - 1]);

          }

        }

      }

      if (imageNumber > 0)

      {

        this.pictureBox1.Image = images[0];

        this.match1Label.Text = "マッチ１　:" + imagesDifference[0];

      }

      if (imageNumber > 1)

      {

        this.pictureBox2.Image = images[1];

        this.match2Label.Text = "マッチ２　:" + imagesDifference[1];

      }

      if (imageNumber > 2)

      {

        this.pictureBox3.Image = images[2];

        this.match3Label.Text = "マッチ３　:" + imagesDifference[2];

      }

      this.outLabel.Text = "OK\n\r処理回数：" + imageNumber;

      this.outLabel.Update();

    }

    static void Swap(ref long a, ref long b)

    {

      long w = a;

      a = b;

      b = w;

    }

    static void Swap(ref Bitmap a, ref Bitmap b)

    {

      Bitmap w = a;

      a = b;

      b = w;

    }

    static Bitmap LoadImage(string path)

    {

      try

      {

        return new Bitmap(path);

      }

      catch

      {

        return LoadImageFromNet(path);

      }

    }

    static Bitmap LoadImageFromNet(string url)

    {

      // 参考：http://msdn.microsoft.com/ja-jp/library/z7ha67kw.aspx

      try

      {

        System.Net.WebRequest request = System.Net.WebRequest.Create(url);

        System.Net.WebResponse response = request.GetResponse();

        System.IO.Stream responseStream = response.GetResponseStream();

        return new Bitmap(responseStream);

      }

      catch { }

      return null;

    }

    const int maxImage = 30;

    Bitmap template;

    Bitmap[] images = new Bitmap[maxImage];

    int imageNumber;

  }

{

  partial class Form1

  {

    /// <summary>

    /// 必要なデザイナー変数です。

    /// </summary>

    private System.ComponentModel.IContainer components = null;

    /// <summary>

    /// 使用中のリソースをすべてクリーンアップします。

    /// </summary>

    /// <param name="disposing">マネージ リソースが破棄される場合 true、破棄されない場合は false です。</param>

    protected override void Dispose(bool disposing)

    {

      if (disposing && (components != null))

      {

        components.Dispose();

      }

      base.Dispose(disposing);

    }

    #region Windows フォーム デザイナーで生成されたコード

    /// <summary>

    /// デザイナー サポートに必要なメソッドです。このメソッドの内容を

    /// コード エディターで変更しないでください。

    /// </summary>

    private void InitializeComponent()

    {

      this.pictureBox1 = new System.Windows.Forms.PictureBox();

      this.pictureBox2 = new System.Windows.Forms.PictureBox();

      this.pictureBox3 = new System.Windows.Forms.PictureBox();

      this.templateButton = new System.Windows.Forms.Button();

      this.imagesButton = new System.Windows.Forms.Button();

      this.templateTextBox = new System.Windows.Forms.TextBox();

      this.imagesTextBox = new System.Windows.Forms.TextBox();

      this.goButton = new System.Windows.Forms.Button();

      this.outLabel = new System.Windows.Forms.Label();

      this.templatePictureBox = new System.Windows.Forms.PictureBox();

      this.label1 = new System.Windows.Forms.Label();

      this.match1Label = new System.Windows.Forms.Label();

      this.match2Label = new System.Windows.Forms.Label();

      this.match3Label = new System.Windows.Forms.Label();

      ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();

      ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).BeginInit();

      ((System.ComponentModel.ISupportInitialize)(this.pictureBox3)).BeginInit();

      ((System.ComponentModel.ISupportInitialize)(this.templatePictureBox)).BeginInit();

      this.SuspendLayout();

      // 

      // pictureBox1

      // 

      this.pictureBox1.Location = new System.Drawing.Point(219, 179);

      this.pictureBox1.Name = "pictureBox1";

      this.pictureBox1.Size = new System.Drawing.Size(110, 105);

      this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;

      this.pictureBox1.TabIndex = 0;

      this.pictureBox1.TabStop = false;

      // 

      // pictureBox2

      // 

      this.pictureBox2.Location = new System.Drawing.Point(335, 179);

      this.pictureBox2.Name = "pictureBox2";

      this.pictureBox2.Size = new System.Drawing.Size(110, 105);

      this.pictureBox2.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;

      this.pictureBox2.TabIndex = 0;

      this.pictureBox2.TabStop = false;

      // 

      // pictureBox3

      // 

      this.pictureBox3.Location = new System.Drawing.Point(451, 179);

      this.pictureBox3.Name = "pictureBox3";

      this.pictureBox3.Size = new System.Drawing.Size(110, 105);

      this.pictureBox3.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;

      this.pictureBox3.TabIndex = 0;

      this.pictureBox3.TabStop = false;

      // 

      // templateButton

      // 

      this.templateButton.Location = new System.Drawing.Point(12, 12);

      this.templateButton.Name = "templateButton";

      this.templateButton.Size = new System.Drawing.Size(86, 37);

      this.templateButton.TabIndex = 1;

      this.templateButton.Text = "テンプレ選択";

      this.templateButton.UseVisualStyleBackColor = true;

      this.templateButton.Click += new System.EventHandler(this.templateButton_Click);

      // 

      // imagesButton

      // 

      this.imagesButton.Location = new System.Drawing.Point(12, 55);

      this.imagesButton.Name = "imagesButton";

      this.imagesButton.Size = new System.Drawing.Size(86, 37);

      this.imagesButton.TabIndex = 1;

      this.imagesButton.Text = "イメージ選択";

      this.imagesButton.UseVisualStyleBackColor = true;

      this.imagesButton.Click += new System.EventHandler(this.imagesButton_Click);

      // 

      // templateTextBox

      // 

      this.templateTextBox.Location = new System.Drawing.Point(104, 19);

      this.templateTextBox.Name = "templateTextBox";

      this.templateTextBox.Size = new System.Drawing.Size(457, 19);

      this.templateTextBox.TabIndex = 2;

      // 

      // imagesTextBox

      // 

      this.imagesTextBox.AcceptsReturn = true;

      this.imagesTextBox.Location = new System.Drawing.Point(105, 55);

      this.imagesTextBox.Multiline = true;

      this.imagesTextBox.Name = "imagesTextBox";

      this.imagesTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;

      this.imagesTextBox.Size = new System.Drawing.Size(456, 84);

      this.imagesTextBox.TabIndex = 2;

      // 

      // goButton

      // 

      this.goButton.Location = new System.Drawing.Point(15, 179);

      this.goButton.Name = "goButton";

      this.goButton.Size = new System.Drawing.Size(82, 29);

      this.goButton.TabIndex = 3;

      this.goButton.Text = "実行";

      this.goButton.UseVisualStyleBackColor = true;

      this.goButton.Click += new System.EventHandler(this.goButton_Click);

      // 

      // outLabel

      // 

      this.outLabel.AutoSize = true;

      this.outLabel.Location = new System.Drawing.Point(13, 220);

      this.outLabel.Name = "outLabel";

      this.outLabel.Size = new System.Drawing.Size(0, 12);

      this.outLabel.TabIndex = 4;

      // 

      // templatePictureBox

      // 

      this.templatePictureBox.Location = new System.Drawing.Point(103, 179);

      this.templatePictureBox.Name = "templatePictureBox";

      this.templatePictureBox.Size = new System.Drawing.Size(110, 105);

      this.templatePictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;

      this.templatePictureBox.TabIndex = 0;

      this.templatePictureBox.TabStop = false;

      // 

      // label1

      // 

      this.label1.AutoSize = true;

      this.label1.Location = new System.Drawing.Point(109, 164);

      this.label1.Name = "label1";

      this.label1.Size = new System.Drawing.Size(59, 12);

      this.label1.TabIndex = 5;

      this.label1.Text = "テンプレート";

      // 

      // match1Label

      // 

      this.match1Label.AutoSize = true;

      this.match1Label.Location = new System.Drawing.Point(217, 164);

      this.match1Label.Name = "match1Label";

      this.match1Label.Size = new System.Drawing.Size(38, 12);

      this.match1Label.TabIndex = 5;

      this.match1Label.Text = "マッチ１";

      // 

      // match2Label

      // 

      this.match2Label.AutoSize = true;

      this.match2Label.Location = new System.Drawing.Point(333, 164);

      this.match2Label.Name = "match2Label";

      this.match2Label.Size = new System.Drawing.Size(38, 12);

      this.match2Label.TabIndex = 5;

      this.match2Label.Text = "マッチ２";

      // 

      // match3Label

      // 

      this.match3Label.AutoSize = true;

      this.match3Label.Location = new System.Drawing.Point(449, 164);

      this.match3Label.Name = "match3Label";

      this.match3Label.Size = new System.Drawing.Size(38, 12);

      this.match3Label.TabIndex = 5;

      this.match3Label.Text = "マッチ３";

      // 

      // Form1

      // 

      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);

      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;

      this.ClientSize = new System.Drawing.Size(575, 293);

      this.Controls.Add(this.match3Label);

      this.Controls.Add(this.match2Label);

      this.Controls.Add(this.match1Label);

      this.Controls.Add(this.label1);

      this.Controls.Add(this.outLabel);

      this.Controls.Add(this.goButton);

      this.Controls.Add(this.imagesTextBox);

      this.Controls.Add(this.templateTextBox);

      this.Controls.Add(this.imagesButton);

      this.Controls.Add(this.templateButton);

      this.Controls.Add(this.templatePictureBox);

      this.Controls.Add(this.pictureBox3);

      this.Controls.Add(this.pictureBox2);

      this.Controls.Add(this.pictureBox1);

      this.Name = "Form1";

      this.Text = "Form1";

      ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();

      ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).EndInit();

      ((System.ComponentModel.ISupportInitialize)(this.pictureBox3)).EndInit();

      ((System.ComponentModel.ISupportInitialize)(this.templatePictureBox)).EndInit();

      this.ResumeLayout(false);

      this.PerformLayout();

    }

    #endregion

    private System.Windows.Forms.PictureBox pictureBox1;

    private System.Windows.Forms.PictureBox pictureBox2;

    private System.Windows.Forms.PictureBox pictureBox3;

    private System.Windows.Forms.Button templateButton;

    private System.Windows.Forms.Button imagesButton;

    private System.Windows.Forms.TextBox templateTextBox;

    private System.Windows.Forms.TextBox imagesTextBox;

    private System.Windows.Forms.Button goButton;

    private System.Windows.Forms.Label outLabel;

    private System.Windows.Forms.PictureBox templatePictureBox;

    private System.Windows.Forms.Label label1;

    private System.Windows.Forms.Label match1Label;

    private System.Windows.Forms.Label match2Label;

    private System.Windows.Forms.Label match3Label;

  }