using PaintDotNet.Processing;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace PaintDotNet.Instrument
{
    internal class ImageComparison : PdnBaseForm
    {
        private GroupBox groupBox1;
        private Button button2;
        private GroupBox groupBox2;
        private GroupBox groupBox3;
        private GroupBox groupBox4;
        private Button button4;
        private Button button3;
        private Button button6;
        private Button button5;
        private PictureBox pictureBox1;
        private TrackBar trackBar1;
        private Button button7;
        private PictureBox pictureBox2;
        private TrackBar trackBar2;
        private Button button8;
        private Button button1;
        private PictureBox pictureBox3;

        /// <summary>
        /// 图片选择窗口
        /// </summary>
        private InterImagePickerDialog imagePickerDialog;
        /// <summary>
        /// 第一个小picturebox的原图
        /// </summary>
        private Bitmap bitmap1;
        /// <summary>
        /// 第二个小picturebox的原图
        /// </summary>
        private Bitmap bitmap2;
        /// <summary>
        /// 合并之后的图片
        /// </summary>
        private Bitmap combineBitmap;
        /// <summary>
        /// 合并时所使用的修改过透明度的图片数组
        /// </summary>
        private Bitmap[] bitArray = new Bitmap[2];
        /// <summary>
        /// 判断两张图片的绘制顺序
        /// </summary>
        private bool ordered = true;
        /// <summary>
        /// 文件名排序
        /// </summary>
        string stepLength = "00" + Startup.instance.step_length;
        /// <summary>
        /// 判断当前点击的按钮是哪个小picturebox的
        /// </summary>
        private int pictureBoxNum = 0;

        private AppWorkspace appWorkspace;

        public ImageComparison(AppWorkspace appWorkspace)
        {
            this.appWorkspace = appWorkspace;

            InitializeComponent();
            InitializeLanguageText();
        }

        private void InitializeLanguageText()
        {

            this.groupBox1.Text = PdnResources.GetString("Menu.operation.text");
            this.button2.Text = PdnResources.GetString("Menu.Createpicture.text");
            this.button1.Text = PdnResources.GetString("Menu.File.Close.Text");

            this.groupBox2.Text = PdnResources.GetString("Menu.tool.imagecomparison.compareresults.text");
            this.groupBox3.Text = PdnResources.GetString("Menu.picture.Text");
            this.button4.Text = PdnResources.GetString("Menu.Gallery.text");
            this.button3.Text = PdnResources.GetString("Menu.harddisk.text");
            this.groupBox4.Text = PdnResources.GetString("Menu.picture.Text");
            this.button6.Text = PdnResources.GetString("Menu.Gallery.text");
            this.button5.Text = PdnResources.GetString("Menu.harddisk.text");
            this.Text = PdnResources.GetString("Menu.Tools.PictureComparison.Text");
        }

        private void InitializeComponent()
        {
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.button2 = new System.Windows.Forms.Button();
            this.button1 = new System.Windows.Forms.Button();
            this.groupBox2 = new System.Windows.Forms.GroupBox();
            this.pictureBox3 = new System.Windows.Forms.PictureBox();
            this.groupBox3 = new System.Windows.Forms.GroupBox();
            this.button7 = new System.Windows.Forms.Button();
            this.trackBar1 = new System.Windows.Forms.TrackBar();
            this.pictureBox1 = new System.Windows.Forms.PictureBox();
            this.button4 = new System.Windows.Forms.Button();
            this.button3 = new System.Windows.Forms.Button();
            this.groupBox4 = new System.Windows.Forms.GroupBox();
            this.button8 = new System.Windows.Forms.Button();
            this.trackBar2 = new System.Windows.Forms.TrackBar();
            this.pictureBox2 = new System.Windows.Forms.PictureBox();
            this.button6 = new System.Windows.Forms.Button();
            this.button5 = new System.Windows.Forms.Button();
            this.groupBox1.SuspendLayout();
            this.groupBox2.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox3)).BeginInit();
            this.groupBox3.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.trackBar1)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
            this.groupBox4.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.trackBar2)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).BeginInit();
            this.SuspendLayout();
            // 
            // groupBox1
            // 
            this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.groupBox1.Controls.Add(this.button2);
            this.groupBox1.Controls.Add(this.button1);
            this.groupBox1.Location = new System.Drawing.Point(13, 13);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(621, 55);
            this.groupBox1.TabIndex = 0;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "操作";
            // 
            // button2
            // 
            this.button2.Anchor = System.Windows.Forms.AnchorStyles.Right;
            this.button2.Location = new System.Drawing.Point(426, 20);
            this.button2.Name = "button2";
            this.button2.Size = new System.Drawing.Size(75, 23);
            this.button2.TabIndex = 1;
            this.button2.Text = "创建图片";
            this.button2.UseVisualStyleBackColor = true;
            this.button2.Click += new System.EventHandler(this.button2_Click);
            // 
            // button1
            // 
            this.button1.Anchor = System.Windows.Forms.AnchorStyles.Right;
            this.button1.Location = new System.Drawing.Point(524, 20);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(75, 23);
            this.button1.TabIndex = 0;
            this.button1.Text = "关闭";
            this.button1.UseVisualStyleBackColor = true;
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // groupBox2
            // 
            this.groupBox2.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
            | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.groupBox2.Controls.Add(this.pictureBox3);
            this.groupBox2.Location = new System.Drawing.Point(13, 75);
            this.groupBox2.Name = "groupBox2";
            this.groupBox2.Size = new System.Drawing.Size(383, 469);
            this.groupBox2.TabIndex = 1;
            this.groupBox2.TabStop = false;
            this.groupBox2.Text = "对比结果";
            // 
            // pictureBox3
            // 
            this.pictureBox3.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
            | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.pictureBox3.Location = new System.Drawing.Point(7, 21);
            this.pictureBox3.Name = "pictureBox3";
            this.pictureBox3.Size = new System.Drawing.Size(370, 434);
            this.pictureBox3.TabIndex = 0;
            this.pictureBox3.TabStop = false;
            // 
            // groupBox3
            // 
            this.groupBox3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
            this.groupBox3.Controls.Add(this.button7);
            this.groupBox3.Controls.Add(this.trackBar1);
            this.groupBox3.Controls.Add(this.pictureBox1);
            this.groupBox3.Controls.Add(this.button4);
            this.groupBox3.Controls.Add(this.button3);
            this.groupBox3.Location = new System.Drawing.Point(402, 75);
            this.groupBox3.Name = "groupBox3";
            this.groupBox3.Size = new System.Drawing.Size(232, 232);
            this.groupBox3.TabIndex = 2;
            this.groupBox3.TabStop = false;
            this.groupBox3.Text = "图片";
            // 
            // button7
            // 
            this.button7.Location = new System.Drawing.Point(197, 181);
            this.button7.Name = "button7";
            this.button7.Size = new System.Drawing.Size(23, 23);
            this.button7.TabIndex = 4;
            this.button7.Text = "↑";
            this.button7.UseVisualStyleBackColor = true;
            this.button7.Click += new System.EventHandler(this.button7_Click);
            // 
            // trackBar1
            // 
            this.trackBar1.Cursor = System.Windows.Forms.Cursors.Hand;
            this.trackBar1.Location = new System.Drawing.Point(6, 181);
            this.trackBar1.Maximum = 255;
            this.trackBar1.Name = "trackBar1";
            this.trackBar1.Size = new System.Drawing.Size(185, 45);
            this.trackBar1.TabIndex = 3;
            this.trackBar1.TickStyle = System.Windows.Forms.TickStyle.None;
            this.trackBar1.Value = 125;
            this.trackBar1.Scroll += new System.EventHandler(this.trackBar1_Scroll);
            // 
            // pictureBox1
            // 
            this.pictureBox1.Location = new System.Drawing.Point(7, 47);
            this.pictureBox1.Name = "pictureBox1";
            this.pictureBox1.Size = new System.Drawing.Size(219, 127);
            this.pictureBox1.TabIndex = 2;
            this.pictureBox1.TabStop = false;
            // 
            // button4
            // 
            this.button4.Location = new System.Drawing.Point(125, 20);
            this.button4.Name = "button4";
            this.button4.Size = new System.Drawing.Size(67, 21);
            this.button4.TabIndex = 1;
            this.button4.Text = "图库";
            this.button4.UseVisualStyleBackColor = true;
            this.button4.Click += new System.EventHandler(this.button4_Click);
            // 
            // button3
            // 
            this.button3.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
            this.button3.Location = new System.Drawing.Point(52, 20);
            this.button3.Name = "button3";
            this.button3.Size = new System.Drawing.Size(67, 21);
            this.button3.TabIndex = 0;
            this.button3.Text = "硬盘";
            this.button3.UseVisualStyleBackColor = true;
            this.button3.Click += new System.EventHandler(this.button3_Click);
            // 
            // groupBox4
            // 
            this.groupBox4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
            this.groupBox4.Controls.Add(this.button8);
            this.groupBox4.Controls.Add(this.trackBar2);
            this.groupBox4.Controls.Add(this.pictureBox2);
            this.groupBox4.Controls.Add(this.button6);
            this.groupBox4.Controls.Add(this.button5);
            this.groupBox4.Location = new System.Drawing.Point(402, 313);
            this.groupBox4.Name = "groupBox4";
            this.groupBox4.Size = new System.Drawing.Size(231, 231);
            this.groupBox4.TabIndex = 3;
            this.groupBox4.TabStop = false;
            this.groupBox4.Text = "图片";
            // 
            // button8
            // 
            this.button8.Location = new System.Drawing.Point(197, 181);
            this.button8.Name = "button8";
            this.button8.Size = new System.Drawing.Size(23, 23);
            this.button8.TabIndex = 4;
            this.button8.Text = "↑";
            this.button8.UseVisualStyleBackColor = true;
            this.button8.Click += new System.EventHandler(this.button8_Click);
            // 
            // trackBar2
            // 
            this.trackBar2.Cursor = System.Windows.Forms.Cursors.Hand;
            this.trackBar2.Location = new System.Drawing.Point(7, 181);
            this.trackBar2.Maximum = 255;
            this.trackBar2.Name = "trackBar2";
            this.trackBar2.Size = new System.Drawing.Size(185, 45);
            this.trackBar2.TabIndex = 3;
            this.trackBar2.TickStyle = System.Windows.Forms.TickStyle.None;
            this.trackBar2.Value = 125;
            this.trackBar2.Scroll += new System.EventHandler(this.trackBar2_Scroll);
            // 
            // pictureBox2
            // 
            this.pictureBox2.Location = new System.Drawing.Point(7, 47);
            this.pictureBox2.Name = "pictureBox2";
            this.pictureBox2.Size = new System.Drawing.Size(219, 127);
            this.pictureBox2.TabIndex = 2;
            this.pictureBox2.TabStop = false;
            // 
            // button6
            // 
            this.button6.Location = new System.Drawing.Point(125, 20);
            this.button6.Name = "button6";
            this.button6.Size = new System.Drawing.Size(67, 21);
            this.button6.TabIndex = 1;
            this.button6.Text = "图库";
            this.button6.UseVisualStyleBackColor = true;
            this.button6.Click += new System.EventHandler(this.button6_Click);
            // 
            // button5
            // 
            this.button5.Location = new System.Drawing.Point(52, 20);
            this.button5.Name = "button5";
            this.button5.Size = new System.Drawing.Size(67, 21);
            this.button5.TabIndex = 0;
            this.button5.Text = "硬盘";
            this.button5.UseVisualStyleBackColor = true;
            this.button5.Click += new System.EventHandler(this.button5_Click);
            // 
            // ImageComparison
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F);
            this.ClientSize = new System.Drawing.Size(646, 556);
            this.Controls.Add(this.groupBox4);
            this.Controls.Add(this.groupBox3);
            this.Controls.Add(this.groupBox2);
            this.Controls.Add(this.groupBox1);
            this.MinimizeBox = false;
            this.Name = "ImageComparison";
            this.Text = "图片对比";
            this.Resize += new System.EventHandler(this.ImageComparison_Resize);
            this.Controls.SetChildIndex(this.groupBox1, 0);
            this.Controls.SetChildIndex(this.groupBox2, 0);
            this.Controls.SetChildIndex(this.groupBox3, 0);
            this.Controls.SetChildIndex(this.groupBox4, 0);
            this.groupBox1.ResumeLayout(false);
            this.groupBox2.ResumeLayout(false);
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox3)).EndInit();
            this.groupBox3.ResumeLayout(false);
            this.groupBox3.PerformLayout();
            ((System.ComponentModel.ISupportInitialize)(this.trackBar1)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
            this.groupBox4.ResumeLayout(false);
            this.groupBox4.PerformLayout();
            ((System.ComponentModel.ISupportInitialize)(this.trackBar2)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).EndInit();
            this.ResumeLayout(false);

        }

        /// <summary>
        /// 关闭按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        /// <summary>
        /// 第一张小图的图库选择按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button4_Click(object sender, EventArgs e)
        {
            //辅助判断点击的是第一个picturebox对应的按钮
            pictureBoxNum = 1;
            ImagePickerDialog(sender);
        }

        /// <summary>
        /// 第二张小图的图库选择按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button6_Click(object sender, EventArgs e)
        {
            //辅助判断点击的是第二个picturebox对应的按钮
            pictureBoxNum = 2;
            ImagePickerDialog(sender);
        }

        /// <summary>
        /// 弹出图库选择窗口
        /// </summary>
        /// <param name="sender"></param>
        private void ImagePickerDialog(object sender)
        {
            if (imagePickerDialog == null)
            {
                imagePickerDialog = new InterImagePickerDialog(this.appWorkspace);
                imagePickerDialog.StartPosition = FormStartPosition.Manual;
                imagePickerDialog.Left = ((Button)sender).Left + 12 + this.Left + this.groupBox2.Width;
                switch (pictureBoxNum)
                {
                    case 1:
                        imagePickerDialog.Top = ((Button)sender).Bottom + 46 + this.Top + this.groupBox1.Height;
                        break;
                    case 2:
                        imagePickerDialog.Top = ((Button)sender).Bottom + 50 + this.Top + this.groupBox1.Height + this.groupBox3.Height;
                        break;
                }
                imagePickerDialog.ValueChanged += new System.EventHandler(this.inputMat_ValueChanged);
                imagePickerDialog.Show();
            }
            else
            {
                if (!imagePickerDialog.IsDisposed)
                {
                    imagePickerDialog.WindowState = FormWindowState.Normal;
                }
                else
                {
                    imagePickerDialog = new InterImagePickerDialog(this.appWorkspace);
                    imagePickerDialog.StartPosition = FormStartPosition.Manual;
                    imagePickerDialog.Left = ((Button)sender).Left + 12 + this.Left + this.groupBox2.Width;
                    switch (pictureBoxNum)
                    {
                        case 1:
                            imagePickerDialog.Top = ((Button)sender).Bottom + 46 + this.Top + this.groupBox1.Height;
                            break;
                        case 2:
                            imagePickerDialog.Top = ((Button)sender).Bottom + 50 + this.Top + this.groupBox1.Height + this.groupBox3.Height;
                            break;
                    }
                    imagePickerDialog.ValueChanged += new System.EventHandler(this.inputMat_ValueChanged);
                    imagePickerDialog.Show();
                }
            }
        }

        /// <summary>
        /// 从图库选择待对照图片
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void inputMat_ValueChanged(object sender, EventArgs e)
        {
            if (sender is DocumentWorkspace)
            { 
                switch (pictureBoxNum)
                {
                    case 1:
                        this.bitmap1 = ((DocumentWorkspace)sender).CompositionSurface.CreateAliasedBitmap();
                        if (bitmap1.Width > pictureBox1.Size.Width || bitmap1.Height > pictureBox1.Size.Height)
                        {
                            pictureBox1.SizeMode = PictureBoxSizeMode.Zoom;
                        }
                        else
                        {
                            pictureBox1.SizeMode = PictureBoxSizeMode.CenterImage;
                        }
                        this.pictureBox1.Image = this.bitmap1;
                        CombinePicture();
                        break;
                    case 2:
                        this.bitmap2 = ((DocumentWorkspace)sender).CompositionSurface.CreateAliasedBitmap();
                        if (bitmap2.Width > pictureBox2.Size.Width || bitmap2.Height > pictureBox2.Size.Height)
                        {
                            pictureBox2.SizeMode = PictureBoxSizeMode.Zoom;
                        }
                        else
                        {
                            pictureBox2.SizeMode = PictureBoxSizeMode.CenterImage;
                        }
                        this.pictureBox2.Image = this.bitmap2;
                        CombinePicture();
                        break;
                }             
            }
        }

        /// <summary>
        /// 第一张小图的硬盘选择图片按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button3_Click(object sender, EventArgs e)
        {
            pictureBoxNum = 1;
            Bitmap newBit1 = ChooseImageFromHardDisk();//暂时接收一下，如果为空则不替换原有的原图对象
            if (newBit1 != null)
            {
                this.bitmap1 = newBit1;
                if (bitmap1.Width > pictureBox1.Size.Width || bitmap1.Height > pictureBox1.Size.Height)
                {
                    pictureBox1.SizeMode = PictureBoxSizeMode.Zoom;
                }
                else
                {
                    pictureBox1.SizeMode = PictureBoxSizeMode.CenterImage;
                }
                this.pictureBox1.Image = this.bitmap1;
                CombinePicture();
            }
        }

        /// <summary>
        /// 第二张小图的硬盘选择图片按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button5_Click(object sender, EventArgs e)
        {
            pictureBoxNum = 2;
            Bitmap newBit2 = ChooseImageFromHardDisk();//暂时接收一下，如果为空则不替换原有的原图对象
            if (newBit2 != null)
            {
                this.bitmap2 = newBit2;
                if (bitmap2.Width > pictureBox2.Size.Width || bitmap2.Height > pictureBox2.Size.Height)
                {
                    pictureBox2.SizeMode = PictureBoxSizeMode.Zoom;
                }
                else
                {
                    pictureBox2.SizeMode = PictureBoxSizeMode.CenterImage;
                }
                this.pictureBox2.Image = this.bitmap2;
                CombinePicture();
            }
        }

        /// <summary>
        /// 从硬盘选择图片
        /// </summary>
        /// <returns></returns>
        private Bitmap ChooseImageFromHardDisk()
        {
            var openFileDialog = new OpenFileDialog { Filter = "*.jpg,*jpeg,*.bmp,*.ico,*.png,*.tif,*.wmf|*.jpg;*jpeg;*.bmp;*.ico;*.png;*.tif;*.wmf" };
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                Image image = Image.FromFile(openFileDialog.FileName);
                Bitmap newBit = new Bitmap(image);
                return newBit;
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 返回重新设置过透明度的图片
        /// </summary>
        /// <param name="image"></param>
        /// <param name="opcity"></param>
        /// <returns></returns>
        private Bitmap GetTransparencyImage(Image image, int opcity)
        {
            if (opcity < 0 || opcity > 255)
                return null;

            if (image == null)
                return null;

            float imgTransparency = float.Parse(opcity.ToString()) / 255;
            float[][] nArray ={ new float[] {1, 0, 0, 0, 0},
                                        new float[] {0, 1, 0, 0, 0},
                                        new float[] {0, 0, 1, 0, 0},
                                        new float[] {0, 0, 0, imgTransparency, 0},
                                        new float[] {0, 0, 0, 0, 1}};
            ColorMatrix matrix = new ColorMatrix(nArray);
            ImageAttributes attributes = new ImageAttributes();
            attributes.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);

            Bitmap resultImage = new Bitmap(image.Width, image.Height);
            Graphics g = Graphics.FromImage(resultImage);
            g.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, attributes);
            return resultImage;
        }

        /// <summary>
        /// 第一张小图的透明度滚动条
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void trackBar1_Scroll(object sender, EventArgs e)
        {
            if (this.pictureBox1.Image != null)
            {
                CombinePicture();
            } 
        }

        /// <summary>
        /// 第二张小图的透明度滚动条
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void trackBar2_Scroll(object sender, EventArgs e)
        {
            if (this.pictureBox2.Image != null)
            {
                CombinePicture();
            } 
        }

        /// <summary>
        /// 合并两个小picturebox的图片
        /// </summary>
        private void CombinePicture()
        {
            if (this.pictureBox1.Image == null && this.pictureBox2.Image == null)
                return;

            if (this.pictureBox1.Image != null && this.pictureBox2.Image == null)
            {
                combineBitmap = GetTransparencyImage(this.pictureBox1.Image, this.trackBar1.Value);
                ordered = true;
            }

            if (this.pictureBox2.Image != null && this.pictureBox1.Image == null)
            {
                combineBitmap = GetTransparencyImage(this.pictureBox2.Image, this.trackBar2.Value);
                ordered = false; 
            }

            if (this.pictureBox1.Image != null && this.pictureBox2.Image != null)
            {
                bitArray[0] = GetTransparencyImage(this.pictureBox1.Image, this.trackBar1.Value);
                bitArray[1] = GetTransparencyImage(this.pictureBox2.Image, this.trackBar2.Value);

                int[] widthArr = new int[] { bitArray[0].Width, bitArray[1].Width };
                int[] heightArr = new int[] { bitArray[0].Height, bitArray[1].Height };

                combineBitmap = new Bitmap(widthArr.Max(), heightArr.Max());
                Graphics g = Graphics.FromImage(combineBitmap);
                if (ordered)
                {
                    g.DrawImage(bitArray[0], new PointF(0, 0));
                    g.DrawImage(bitArray[1], new PointF(0, 0));
                }
                else
                {
                    g.DrawImage(bitArray[1], new PointF(0, 0));
                    g.DrawImage(bitArray[0], new PointF(0, 0));
                }
            }

            if (combineBitmap.Width > pictureBox3.Size.Width || combineBitmap.Height > pictureBox3.Size.Height)
            {
                pictureBox3.SizeMode = PictureBoxSizeMode.Zoom;
            }
            else
            {
                pictureBox3.SizeMode = PictureBoxSizeMode.CenterImage;
            }
            this.pictureBox3.Image = combineBitmap;
        }

        /// <summary>
        /// 第一张小图的层级向上按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button7_Click(object sender, EventArgs e)
        {
            if (this.pictureBox1.Image != null && this.pictureBox2.Image != null)
            {
                reverseOrder();
                CombinePicture();
            }   
        }

        /// <summary>
        /// 第二个小图的层级向上按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button8_Click(object sender, EventArgs e)
        {
            if (this.pictureBox1.Image != null && this.pictureBox2.Image != null)
            {
                reverseOrder();
                CombinePicture();
            }  
        }

        /// <summary>
        /// 反转图片的绘制顺序
        /// </summary>
        private void reverseOrder()
        {
            if (ordered)
            {
                ordered = false;
            }
            else
            {
                ordered = true;
            }
        }

        /// <summary>
        /// 创建图片
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_Click(object sender, EventArgs e)
        {
            if (combineBitmap != null)
            {
                DocumentWorkspace dw = this.appWorkspace.AddNewDocumentWorkspace();
                dw.Document = Document.FromImageMat(Camera.Tools.ToMat(combineBitmap));
                dw.xmlSaveModel = Startup.instance.ruleDB;
                dw.InitRulerInfo();
                stepLength = "00" + Startup.instance.step_length;
                // TODO ZYH 这里的图像名称，需要走系统的配置
                dw.fileText = this.Text + "-" + stepLength;
                this.appWorkspace.ActiveDocumentWorkspace = dw;
                //this.appWorkspace.ActiveDocumentWorkspace.PanelBottom.documentStrip.ShowPictures = false;
                this.appWorkspace.ActiveDocumentWorkspace.Refresh();
                Startup.instance.step_length += 1;
            }
        }

        /// <summary>
        /// 窗体尺寸改变后重新判断合并图片的显示方式
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ImageComparison_Resize(object sender, EventArgs e)
        {
            if (combineBitmap != null)
            {
                if (combineBitmap.Width > pictureBox3.Size.Width || combineBitmap.Height > pictureBox3.Size.Height)
                {
                    pictureBox3.SizeMode = PictureBoxSizeMode.Zoom;
                }
                else
                {
                    pictureBox3.SizeMode = PictureBoxSizeMode.CenterImage;
                }
                this.pictureBox3.Invalidate();
            }
        }
    }
}