xhwkclient/XHWK.WKTool/XHMicroLessonSystemWindow.xaml.cs

using Aspose.Words;
using Aspose.Words.Saving;
using Common.system;
using System;
using System.Collections.Generic;
using System.Drawing.Imaging;
using System.IO;
using System.Threading;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using XHWK.Model;
using System.Windows.Controls;
using ComeCapture;
using Aspose.Slides;
using static Common.system.PdfTrunImage;

namespace XHWK.WKTool
{
    /// <summary>
    /// 主页面
    /// </summary>
    public partial class XHMicroLessonSystemWindow : Window
    {
        #region 字段
        /// <summary>
        /// 文件目录窗口
        /// </summary>
        //private CountdownWindow FileDirectoryWindows = null;  
        private FolderBrowserDialog Ofd;
        private DialogResult Result;
        public readonly BlackboardNew myblackboard;
        private System.Windows.Forms.DialogResult result;
        private System.Windows.Forms.OpenFileDialog ofd;
        //声明一个 DrawingAttributes 类型的变量  
        DrawingAttributes drawingAttributes;
        Model_Video VideoInfo = null;
        //定义事件
        public event ChangeTextHandler ChangeTextEvent;
        //定义委托
        public delegate void ChangeTextHandler(string text);
        /// <summary>
        /// 图片
        /// </summary>
        string [] ImgPDFPath = new string[300]; 
        #endregion

        #region 初始化
        /// <summary>
        /// 主页面
        /// </summary>
        public XHMicroLessonSystemWindow()
        {
            new Aspose.Pdf.License().SetLicense(new MemoryStream(Convert.FromBase64String("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")));
            InitializeComponent();

            myblackboard = new BlackboardNew(blackboard_canvas);
            APP.pageData.pagenum = 1;
            APP.pageData.currpage = 1;
            DataContext = APP.pageData;

            txbStoragePath.Text = FileToolsCommon.GetConfigValue("VideoType");
            if (FileToolsCommon.GetConfigValue("IsSound").Equals("true"))
            {
                rbnY.IsChecked = true;
            }
            else
            {
                rbnN.IsChecked = true;
            }
            txbStoragePath.Text = FileToolsCommon.GetConfigValue("VideoSavePath");
            Initialize();
        }
        /// <summary>
        /// 初始化
        /// </summary>
        public void Initialize()
        {

            //创建 DrawingAttributes 类的一个实例  
            drawingAttributes = new DrawingAttributes();
            //将 InkCanvas 的 DefaultDrawingAttributes 属性的值赋成创建的 DrawingAttributes 类的对象的引用  
            //InkCanvas 通过 DefaultDrawingAttributes 属性来获取墨迹的各种设置，该属性的类型为 DrawingAttributes 型  
            blackboard_canvas.DefaultDrawingAttributes = drawingAttributes;
            blackboard_canvas.UseCustomCursor = true;
            drawingAttributes.FitToCurve = true;
            drawingAttributes.IgnorePressure = false;
            blackboard_canvas.Cursor = System.Windows.Input.Cursors.Pen;
            wfhCamera.Visibility = Visibility.Hidden;
            ImgPDFPath = null;
            ImgPDFPath = new string[300];
        }
        #endregion

        #region 事件
        /// <summary>
        /// 窗体移动
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Window_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            DragMove();
        }
        /// <summary>
        /// 摄像头打开事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void RbnOpen_Click(object sender, RoutedEventArgs e)
        {
            //UCCamera win = new UCCamera();
            ////win.Topmost = true;
            //win.ShowDialog();



            wfhCamera.Visibility = Visibility.Visible;
            CameraHelper.IsDisplay = true;
            CameraHelper.SourcePlayer = player;
            CameraHelper.UpdateCameraDevices();
            if (CameraHelper.CameraDevices.Count > 0)
            {
                CameraHelper.SetCameraDevice(0);
            }
        }
        /// <summary>
        /// 摄像头关闭事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void RbnTurnOff_Click(object sender, RoutedEventArgs e)
        {
            wfhCamera.Visibility = Visibility.Hidden;
            CameraHelper.CloseDevice();
        }
        #endregion
        /// <summary>
        /// 录屏事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnScreenRecording_Click(object sender, RoutedEventArgs e)
        {
            if (APP.IsLoginType == false)
            {
                Login();
                return;
            }
            if (APP.W_ScreenRecordingToolbarWindow == null)
            {
                APP.W_ScreenRecordingToolbarWindow = new ScreenRecordingToolbarWindow
                {
                    Topmost = true
                };
                APP.W_ScreenRecordingToolbarWindow.Initialize();

            }
            else
            {
                APP.W_ScreenRecordingToolbarWindow.Initialize();
            }
            //显示在右下角

            APP.W_ScreenRecordingToolbarWindow.Left = PrimaryScreen.DESKTOP.Width - APP.W_ScreenRecordingToolbarWindow.Width - 10;
            APP.W_ScreenRecordingToolbarWindow.Top = PrimaryScreen.DESKTOP.Height - APP.W_ScreenRecordingToolbarWindow.Height - 160;
            APP.W_ScreenRecordingToolbarWindow.Topmost = true;
            APP.W_ScreenRecordingToolbarWindow.Show();
            Hide();
        }
        /// <summary>
        /// 上传事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnUpload_Click(object sender, RoutedEventArgs e)
        {
            if (APP.IsLoginType == false)
            {
                Login();
                return;
            }
            FileDirectoryWindow fileDirectoryWindow = new FileDirectoryWindow();
            fileDirectoryWindow.Show();
        }
        /// <summary>
        /// 关闭事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnDown_Click(object sender, RoutedEventArgs e)
        {
            System.Environment.Exit(0);
        }
        /// <summary>
        /// 设置 保存事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnSave_Click(object sender, RoutedEventArgs e)
        {
            #region 合法性判断
            if (string.IsNullOrWhiteSpace(txbStoragePath.Text.Trim()))
            {
                System.Windows.MessageBox.Show("路径不可为空！");
                return;
            }
            string temp = FileToolsCommon.GetLegalPath(txbStoragePath.Text) + APP.WKData.WkName.Trim() + "/";
            if (!APP.WKData.WkPath.Equals(temp))
            {
                APP.WKData.WkPath = FileToolsCommon.GetLegalPath(txbStoragePath.Text) + APP.WKData.WkName.Trim() + "/";
                if (FileToolsCommon.IsExistDirectory(APP.WKData.WkPath))
                {
                    //微课已存在
                    MessageBoxResult dr = System.Windows.MessageBox.Show("讲解已存在是否覆盖？", "提示", MessageBoxButton.OKCancel);
                    if (dr == MessageBoxResult.OK)
                    {
                        FileToolsCommon.DeleteDirectory(APP.WKData.WkPath);
                    }
                    else
                    {
                        return;
                    }
                }
                //创建文件夹
                FileToolsCommon.CreateDirectory(APP.WKData.WkPath);
            }
            #endregion


            if (rbnMP4.IsChecked == true)
            {
                //存储文件
                FileToolsCommon.SetConfigValue("VideoType", "1");
            }
            else if (rbnFLV.IsChecked == true)
            {
                FileToolsCommon.SetConfigValue("VideoType", "2");
            }
            else
            {
                FileToolsCommon.SetConfigValue("VideoType", "3");
            }
            if (rbnY.IsChecked == true)
            {
                FileToolsCommon.SetConfigValue("IsSound", "true");
            }
            else
            {
                FileToolsCommon.SetConfigValue("IsSound", "false");
            }
            GridMain.Visibility = Visibility.Visible;
            gridSetUp.Visibility = Visibility.Collapsed;
        }
        /// <summary>
        /// 设置事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnSetUp_Click(object sender, RoutedEventArgs e)
        {
            GridMain.Visibility = Visibility.Collapsed;
            gridSetUp.Visibility = Visibility.Visible;
        }
        /// <summary>
        /// 设置 浏览事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnBrowse_Click(object sender, RoutedEventArgs e)
        {
            string desktopPath = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
            Ofd = new System.Windows.Forms.FolderBrowserDialog();

            Result = Ofd.ShowDialog();
            if (Result == System.Windows.Forms.DialogResult.OK)
            {
                if (Ofd.SelectedPath != "")
                {
                    txbStoragePath.Text = Ofd.SelectedPath;
                    //string ApplicationData = ZConfig.dataPath + "fileStorageAddress.txt";
                    //string temp = ofd.SelectedPath;
                    //System.IO.File.WriteAllText(ApplicationData, temp, Encoding.Default);
                }
            }
        }
        /// <summary>
        /// 画笔颜色事件 白色
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnWhite_Click(object sender, RoutedEventArgs e)
        {
            ////创建 DrawingAttributes 类的一个实例  
            //drawingAttributes = new DrawingAttributes();
            ////将 InkCanvas 的 DefaultDrawingAttributes 属性的值赋成创建的 DrawingAttributes 类的对象的引用  
            ////InkCanvas 通过 DefaultDrawingAttributes 属性来获取墨迹的各种设置，该属性的类型为 DrawingAttributes 型  
            //blackboard_canvas.DefaultDrawingAttributes = drawingAttributes;
            ////设置 DrawingAttributes 的 Color 属性设置颜色  
            drawingAttributes.Color = Colors.White;
        }
        /// <summary>
        /// 画笔颜色事件 红色
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnRed_Click(object sender, RoutedEventArgs e)
        {

            //设置 DrawingAttributes 的 Color 属性设置颜色  
            drawingAttributes.Color = Colors.Red;
        }
        /// <summary>
        /// 画笔颜色事件 灰色
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnGray_Click(object sender, RoutedEventArgs e)
        {
            drawingAttributes.Color = Colors.Gray;
        }
        /// <summary>
        /// 画笔颜色事件 青色
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnCyanBlue_Click(object sender, RoutedEventArgs e)
        {
            drawingAttributes.Color = Colors.LimeGreen;
        }
        /// <summary>
        /// 画笔颜色事件 黄色
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnYellow_Click(object sender, RoutedEventArgs e)
        {
            drawingAttributes.Color = Colors.Gold;
        }
        /// <summary>
        /// 画笔颜色事件 蓝色
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnBlue_Click(object sender, RoutedEventArgs e)
        {
            drawingAttributes.Color = Colors.DeepSkyBlue;
        }
        /// <summary>
        /// 画笔粗细事件 细
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void RbnFine_Click(object sender, RoutedEventArgs e)
        {
            drawingAttributes.Width = 1;
            drawingAttributes.Height = 1;
        }
        /// <summary>
        /// 画笔粗细事件 中
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void RbnIn_Click(object sender, RoutedEventArgs e)
        {
            drawingAttributes.Width = 3;
            drawingAttributes.Height = 3;
        }
        /// <summary>
        /// 画笔粗细事件 粗
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void RbnCrude_Click(object sender, RoutedEventArgs e)
        {
            drawingAttributes.Width = 5;
            drawingAttributes.Height = 5;
        }
        /// <summary>
        /// 登陆事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnLoginType_Click(object sender, RoutedEventArgs e)
        {
            Login();
        }
        /// <summary>
        /// 登陆
        /// </summary>
        private void Login()
        {
            if (APP.W_LoginWindow == null)
            {
                APP.W_LoginWindow = new LoginWindow();

            }
            else
            {
                APP.W_LoginWindow.Initialize();
            }
            APP.W_LoginWindow.ShowDialog();
            if (APP.IsLoginType)
            {
                txbLoginType.Text = APP.UserInfo.Username;
            }
            else
            {
                txbLoginType.Text = "未登录";
            }
        }
        /// <summary>
        /// 截图事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnScreenshot_Click(object sender, RoutedEventArgs e)
        {
            if (APP.IsLoginType == false)
            {
                Login();
                return;
            }
            string time = GetTimeStamp();
            string desktopPath = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + time + ".jpg";
            ImageHelper.GetScreenshot(new System.Drawing.Rectangle(0, 0, 0, 0), desktopPath);

            if (APP.W_JieTuWindow != null)
            {
                APP.W_JieTuWindow.initialization();
                APP.W_JieTuWindow.Screenshot();
                APP.W_JieTuWindow.WindowState = WindowState.Maximized;
                APP.W_JieTuWindow.Visibility = Visibility.Visible;
            }
            else
            {
                APP.W_JieTuWindow = new JieTuWindow();
                // 订阅事件
                APP.W_JieTuWindow.ChangeTextEvent += new ChangeTextHandler(frm_ChangeTextEvent);
                APP.W_JieTuWindow.click_closeJietuWindowClick += JietuWindow_click_closeJietuWindowClick;
                APP.W_JieTuWindow.Show();
            }

            //imgCanvas.Source = new BitmapImage(new Uri(desktopPath));
        }
        /// <summary>
        /// 截图关闭窗口
        /// </summary>
        /// <param name="text"></param>
        private void frm_ChangeTextEvent(string text)
        {
            if ("关闭窗口".Equals(text))
            {
                if(!string.IsNullOrWhiteSpace(APP.ImgPath)&&File.Exists(APP.ImgPath))
                {
                    APP.JPaths[APP.pageData.currpage]= APP.ImgPath;
                    if(!string.IsNullOrWhiteSpace(APP.JPaths[APP.pageData.currpage]))
                    {
                        imgCanvas.Source = new BitmapImage(new Uri(APP.JPaths[APP.pageData.currpage]));
                    }
                }
            }
        }
        /// <summary>
        /// 截图关闭 非正常关闭截图时，截图清空
        /// </summary>
        private void JietuWindow_click_closeJietuWindowClick()
        {
            APP.W_JieTuWindow = null;
        }
        /// <summary>
        /// 获取时间戳
        /// </summary>
        /// <returns></returns>
        public string GetTimeStamp()
        {
            TimeSpan ts = DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0, 0);
            return Convert.ToInt64(ts.TotalSeconds).ToString();
        }
        /// <summary>
        /// 导入事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnImport_Click(object sender, RoutedEventArgs e)
        {
            if (APP.IsLoginType == false)
            {
                Login();
                return;
            }
            try
            {
                string desktopPath = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
                ofd = new System.Windows.Forms.OpenFileDialog
                {
                    Filter = "文档|*.docx;*.doc;*ppt",
                    InitialDirectory = desktopPath,
                    Multiselect = false,
                    AddExtension = true,
                    DereferenceLinks = true
                };

                new Thread(
                    o =>
                    {
                        Thread.Sleep(400);
                        Dispatcher.Invoke(new Action(() =>
                        {
                            OpenDialogPPT();
                        }
                            ));
                    })
                {
                    IsBackground = true
                }.Start();
            }
            catch (Exception ex)
            {
                LogHelper.WriteErrLog("【导入（BtnImport_Click）" + ex.Message, ex);
            }
        }
        private void OpenDialog()
        {
            result = ofd.ShowDialog();
            if (result == System.Windows.Forms.DialogResult.OK)
            {
                if (ofd.FileName != "")
                {
                    string filepath = ofd.FileName;
                    string path = AppDomain.CurrentDomain.BaseDirectory + "Temp\\";
                    APP.Paths = ConvertWordToImage(filepath, path, "", 0, 0, null, 0).ToArray();

                    for (int i = 0; i < APP.Paths.Length; i++)
                    {
                        APP.pageData.pagenum += 1;
                    }
                    if (APP.pageData.pagenum > 1)
                    {
                        APP.pageData.pagenum -= 1;
                    }
                    if (!string.IsNullOrWhiteSpace(txbCurrpage.Text) && APP.pageData.currpage < APP.Paths.Length)
                    {
                        imgCanvas.Source = new BitmapImage(new Uri(APP.Paths[APP.pageData.currpage - 1]));
                    }
                    else
                    {
                        imgCanvas.Source = null;
                    }
                }
            }
        }
        private void OpenDialogPPT()
        {
            result = ofd.ShowDialog();
            if (result == System.Windows.Forms.DialogResult.OK)
            {
                if (ofd.FileName != "")
                {
                    #region PPT转PDF
                    string filepath = ofd.FileName;
                    string path = ofd.SafeFileName.Replace(".ppt", "").Trim();
                    string pathTemp = AppDomain.CurrentDomain.BaseDirectory + "Temp\\";
                    path = pathTemp + path + ".pdf";
                    //PPT转PDF
                    Presentation ppt = new Presentation(filepath);
                    ppt.Save(path, Aspose.Slides.Export.SaveFormat.Pdf); 
                    #endregion


                    #region PDF转图片
                    // 图片绝对路径集合
                    List<string> images = new List<string>();
                    string directoryPath = pathTemp;
                    //aspose许可证
                    //Aspose.Pdf.License l = new Aspose.Pdf.License();
                    //string licenseName = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Aspose.Total.Product.Family.lic");
                    //l.SetLicense(licenseName);
                    //定义Jpeg转换设备
                    Aspose.Pdf.Document document = new Aspose.Pdf.Document(path);
                    var device = new Aspose.Pdf.Devices.JpegDevice();
                    //int quality = int.Parse(this.comboBox1.SelectedItem.ToString());
                    //directoryPath += quality;
                    Directory.CreateDirectory(directoryPath);
                    //默认质量为100，设置质量的好坏与处理速度不成正比，甚至是设置的质量越低反而花的时间越长，怀疑处理过程是先生成高质量的再压缩
                    device = new Aspose.Pdf.Devices.JpegDevice(100);
                    //遍历每一页转为jpg
                    for (var i = 1; i <= document.Pages.Count; i++)
                    {
                        long ii = Timestamp();
                        string filePathOutPut = Path.Combine(directoryPath, string.Format("{0}{1}.jpg", ii, i));
                        images.Add(filePathOutPut);
                        FileStream fs = new FileStream(filePathOutPut, FileMode.OpenOrCreate);
                        try
                        {
                            device.Process(document.Pages[i], fs);
                            fs.Close();
                        }
                        catch (Exception ex)
                        {
                            fs.Close();
                            File.Delete(filePathOutPut);
                        }
                    } 
                    #endregion

                    APP.Paths = images.ToArray();
                    ImgPDFPath= images.ToArray();
                    for (int i = 0; i < APP.Paths.Length; i++)
                    {
                        APP.pageData.pagenum += 1;
                    }
                    if (APP.pageData.pagenum > 1)
                    {
                        APP.pageData.pagenum -= 1;
                    }
                    if (!string.IsNullOrWhiteSpace(txbCurrpage.Text) && APP.pageData.currpage < APP.Paths.Length)
                    {
                        imgCanvas.Source = new BitmapImage(new Uri(APP.Paths[APP.pageData.currpage - 1]));
                    }
                    else
                    {
                        imgCanvas.Source = null;
                    }
                }
            }
        }
        /// <summary>
        /// 返回一个时间戳到毫秒
        /// </summary>
        /// <returns></returns>
        public static long Timestamp()
        {
            TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
            long timestr = Convert.ToInt64(ts.TotalMilliseconds);
            return timestr;
        }
        #region 录制窗口
        #region 变量
        /// <summary>
        /// 视频保存路径
        /// </summary>
        string RecordingPath;
        /// <summary>
        /// 图片保存路径
        /// </summary>
        string ImgPath;
        /// <summary>
        /// 音频保存路径名
        /// </summary>
        string AudioPathName;
        /// <summary>
        /// 视频保存路径名
        /// </summary>
        string VideoSavePathName;
        /// <summary>
        /// 暂停录制
        /// </summary>
        bool IsSuspendR = true;
        /// <summary>
        /// 是否首次录制
        /// </summary>
        bool IsFirstR = true;
        /// <summary>
        /// 图片
        /// </summary>
        List<string> RsImgName = null;
        /// <summary>
        /// 是否开始截图计数
        /// </summary>
        bool IsStartCount = false;
        #endregion
        /// <summary>
        /// 录制窗口内容
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnRecord_Click(object sender, RoutedEventArgs e)
        {
            if (APP.IsLoginType == false)
            {
                Login();
                return;
            }

            blackboard_canvas.Visibility = Visibility.Visible;
            StartRecord();
        }
        /// <summary>
        /// 停止录制窗口内容
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnStop_Click(object sender, RoutedEventArgs e)
        {
            if (APP.IsLoginType == false)
            {
                Login();
                return;
            }
            blackboard_canvas.Visibility = Visibility.Collapsed;
            EndRecord();
        }
        System.Timers.Timer timer;
        /// <summary>
        /// 开始录制和暂停录制
        /// </summary>
        void StartRecord()
        {
            if (IsSuspendR)
            {
                if (IsFirstR)//是否第一次录制  初始化录制
                {
                    VideoInfo = new Model_Video();
                    VideoInfo.VideoType = (Enum_VideoType)int.Parse(FileToolsCommon.GetConfigValue("VideoType"));
                    VideoInfo.WkType = Enum_WKVidetype.RecordingLessons;
                    RecordingPath = APP.WKData.WkPath;
                    ImgPath = APP.WKData.WkPath + "temp/Image/";
                    AudioPathName = APP.WKData.WkPath + "temp/audio/";
                    FileToolsCommon.DeleteDirectory(APP.WKData.WkPath + "temp/");
                    FileToolsCommon.CreateDirectory(RecordingPath);
                    FileToolsCommon.CreateDirectory(ImgPath);
                    FileToolsCommon.CreateDirectory(AudioPathName);
                    AudioPathName += APP.WKData.WkName + ".MP3";
                    VideoSavePathName = RecordingPath + APP.WKData.WkName + "_录制." + VideoInfo.VideoType.ToString();
                    
                    if (FileToolsCommon.IsExistFile(VideoSavePathName))
                    {
                        MessageBoxResult dr = System.Windows.MessageBox.Show("课程已录制，是否覆盖？", "提示", MessageBoxButton.OKCancel);
                        if (dr == MessageBoxResult.OK)
                        {
                            try
                            {
                                FileToolsCommon.DeleteFile(VideoSavePathName);
                                APP.VideoList.RemoveAll(x => x.VidePath == VideoSavePathName);
                            }
                            catch (Exception ex)
                            {
                                LogHelper.WriteErrLog("【录制】（StartRecord）无法移除视频，" + ex.Message, ex);
                            }
                        }
                        else
                        {
                            return;
                        }
                    }
                    IsFirstR = false;
                    RsImgName = new List<string>();
                    timer = new System.Timers.Timer(200);//设置执行一次（false）还是一直执行(true)
                    timer.AutoReset = true;//设置是否执行System.Timers.Timer.Elapsed事件
                    timer.Elapsed += new System.Timers.ElapsedEventHandler(Timer_Elapsed);
                    timer.Enabled = true; //启动计时器
                }
                #region 录像倒计时
                if (APP.W_CountdownWindow == null)
                {
                    APP.W_CountdownWindow = new CountdownWindow();
                    //APP.W_CountdownWindow.Topmost = true;
                }
                else
                {
                    APP.W_CountdownWindow.Initialize();
                    APP.W_CountdownWindow.Topmost = true;
                }
                APP.W_CountdownWindow.Show();
                #endregion
                //继续录制
                IsSuspendR = false;
                //BtnRecording.Content = "暂停录制";
                ImgRecord.Source = new BitmapImage(new Uri("pack://application:,,,/Images/microLessonSystem_23.png"));
                TxbRecordingWord.Text = "暂停";
                try
                {
                    APP.FFmpeg.StartRecordingAudio(AudioPathName);
                    new Thread(new ThreadStart(new Action(() =>
                    {
                        Thread.Sleep(1000);
                        Dispatcher.Invoke(() =>
                        {
                            IsStartCount = true;
                            //timer.Start();
                        });
                    }))).Start();
                }
                catch (Exception ex)
                {
                    System.Windows.MessageBox.Show(ex.Message);
                }
            }
            else
            {
                //暂停
                IsSuspendR = true;
                ImgRecord.Source = new BitmapImage(new Uri("pack://application:,,,/Images/microLessonSystem_14.png"));
                TxbRecordingWord.Text = "继续";
                try
                {
                    APP.FFmpeg.SuspendFFmpeg();
                    new Thread(new ThreadStart(new Action(() =>
                    {
                        while (APP.FFmpeg.myProcess != null)
                        {
                            Thread.Sleep(100);
                        }
                        IsStartCount = false;
                    }))).Start();
                }
                catch (Exception ex)
                {
                    System.Windows.MessageBox.Show(ex.Message);
                }
            }
        }
        /// <summary>
        /// 录制保存图片
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            if (IsStartCount)
            {
                try
                {
                    Dispatcher.Invoke(() =>
                    {
                        string FilePathName = ImgPath + RsImgName.Count + ".png";
                        ImageHelper.SaveUIToImage(GridMain, FilePathName, (int)this.ActualWidth, (int)this.ActualHeight);
                        RsImgName.Add(FilePathName);
                    });
                }
                catch (Exception ex)
                {
                    LogHelper.WriteErrLog("【录制】(Timer_Elapsed)生成图片错误:" + ex.Message, ex);
                }
            }
        }
        /// <summary>
        /// 停止录制并生成录制文件
        /// </summary>
        void EndRecord()
        {
            if (!IsFirstR)
            {
                IsFirstR = true;
                IsSuspendR = true;
                ImgRecord.Source = new BitmapImage(new Uri("pack://application:,,,/Images/microLessonSystem_14.png"));
                TxbRecordingWord.Text = "录制";
                try
                {
                    APP.FFmpeg.StopFFmpeg(AudioPathName);
                    new Thread(new ThreadStart(new Action(() =>
                    {
                        while (APP.FFmpeg.myProcess != null)
                        {
                            Thread.Sleep(100);
                        }
                        Dispatcher.Invoke(() =>
                        {
                            IsStartCount = false;
                            timer.Stop();
                        });
                    }))).Start();

                    new Thread(new ThreadStart(new Action(() =>
                    {
                        while (APP.FFmpeg.myProcess != null)
                        {
                            Thread.Sleep(100);
                        }
                    }))).Start();
                    APP.FFmpeg.SynthesisVideo(ImgPath, AudioPathName, VideoSavePathName, 5, (int)GridMain.Width, (int)GridMain.Height);
                    //生成缩略图
                    string ThumbnailPath = FileToolsCommon.GetDirectoryName(VideoSavePathName) + "ThumbnailPath/";
                    FileToolsCommon.CreateDirectory(ThumbnailPath);
                    //缩略图存储位置
                    string ThumbnailPathName = ThumbnailPath + FileToolsCommon.GetIOFileNameNoExtension(VideoSavePathName) + ".JPG";
                    new Thread(new ThreadStart(new Action(() =>
                    {
                        while (!FileToolsCommon.IsExistFile(VideoSavePathName))
                        {
                            Thread.Sleep(100);
                        }
                        FileToolsCommon.DeleteFile(ThumbnailPathName);
                        VideoInfo.VideoSize = FileToolsCommon.GetFileSizeByMB(VideoSavePathName).ToString() + " MB";
                        VideoInfo.RSTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
                        VideoInfo.VidePath = VideoSavePathName;
                        VideoInfo.ThumbnailPath = ThumbnailPathName;
                        APP.FFmpeg.GenerateThumbnails(VideoSavePathName, ThumbnailPathName);
                        APP.VideoList.Add(VideoInfo);
                    }))).Start();
                    //List<Model_Video> VideoList
                }
                catch (Exception ex)
                {
                    System.Windows.MessageBox.Show(ex.Message);
                }
            }
        }
        #endregion

        /// <summary>
        /// 增加事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnAdd_Click(object sender, RoutedEventArgs e)
        {
            if (APP.IsLoginType == false)
            {
                Login();
                return;
            }
            APP.pageData.pagenum += 1;
            APP.pageData.currpage = APP.pageData.pagenum;
            myblackboard.changepage(APP.pageData.currpage - 1);
            imgCanvas.Source = null;
        }
        /// <summary>
        /// 打印事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnPrint_Click(object sender, RoutedEventArgs e)
        {
            if (APP.IsLoginType == false)
            {
                Login();
                return;
            }

            //for(int i=0;i< APP.pageData.pagenum; i++)
            //{

            //}



            ////string[] files = { @"C:\101\1.jpg", @"C:\101\2.jpg" };
            iTextSharp.text.Document document = new iTextSharp.text.Document(iTextSharp.text.PageSize.A4, 25, 25, 25, 25);
            try
            {
                iTextSharp.text.pdf.PdfWriter.GetInstance(document, new FileStream(@"G:\101.pdf", FileMode.Create, FileAccess.ReadWrite));
                document.Open();
                iTextSharp.text.Image image;
                for (int i = 0; i < ImgPDFPath.Length; i++)
                {
                    if (String.IsNullOrEmpty(ImgPDFPath[i])) break;


                    image = iTextSharp.text.Image.GetInstance(ImgPDFPath[i]);


                    if (image.Height > iTextSharp.text.PageSize.A4.Height - 25)
                    {
                        image.ScaleToFit(iTextSharp.text.PageSize.A4.Width - 25, iTextSharp.text.PageSize.A4.Height - 25);
                    }
                    else if (image.Width > iTextSharp.text.PageSize.A4.Width - 25)
                    {
                        image.ScaleToFit(iTextSharp.text.PageSize.A4.Width - 25, iTextSharp.text.PageSize.A4.Height - 25);
                    }
                    image.Alignment = iTextSharp.text.Image.ALIGN_MIDDLE;
                    document.NewPage();
                    document.Add(image);
                    //iTextSharp.text.Chunk c1 = new iTextSharp.text.Chunk("Hello World");
                    //iTextSharp.text.Phrase p1 = new iTextSharp.text.Phrase();
                    //p1.Leading = 150;      //行间距
                    //document.Add(p1);
                }
                Console.WriteLine("转换成功！");
            }
            catch (Exception ex)
            {
                Console.WriteLine("转换失败，原因：" + ex.Message);
            }
            document.Close();
            ////Console.ReadKey();

        }
        /// <summary>
        /// 我的
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnMyMine_Click(object sender, RoutedEventArgs e)
        {
            if (APP.IsLoginType == false)
            {
                Login();
                return;
            }
        }
        /// <summary>
        /// 上一页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void last_button_Click(object sender, RoutedEventArgs e)
        {
            if (APP.pageData.currpage > 1)
            {
                APP.pageData.currpage -= 1;
                myblackboard.changepage(APP.pageData.currpage - 1);
                if (APP.Paths.Length > 0)
                {
                    if (!string.IsNullOrWhiteSpace(txbCurrpage.Text) && APP.pageData.currpage < APP.Paths.Length&& APP.pageData.currpage > 0)
                    {
                        imgCanvas.Source = new BitmapImage(new Uri(APP.Paths[APP.pageData.currpage - 1]));
                    }
                    else
                    {
                        imgCanvas.Source = null;
                    }
                }
                if (!string.IsNullOrWhiteSpace(APP.JPaths[APP.pageData.currpage]))
                {
                    imgCanvas.Source = new BitmapImage(new Uri(APP.JPaths[APP.pageData.currpage]));
                }
            }

        }
        /// <summary>
        /// 下一页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void next_btn_Click(object sender, RoutedEventArgs e)
        {
            if (APP.pageData.currpage < APP.pageData.pagenum)
            {
                APP.pageData.currpage += 1;
                myblackboard.changepage(APP.pageData.currpage - 1);
                if (APP.Paths.Length > 0)
                {

                    if (!string.IsNullOrWhiteSpace(txbCurrpage.Text) && APP.pageData.currpage <= APP.Paths.Length)
                    {
                        imgCanvas.Source = new BitmapImage(new Uri(APP.Paths[APP.pageData.currpage-1]));
                    }
                    else
                    {
                        imgCanvas.Source = null;
                    }
                }
                if (!string.IsNullOrWhiteSpace(APP.JPaths[APP.pageData.currpage]))
                {
                    imgCanvas.Source = new BitmapImage(new Uri(APP.JPaths[APP.pageData.currpage]));
                }



                try
                {
                    Dispatcher.Invoke(() =>
                    {
                        string FilePathName  = AppDomain.CurrentDomain.BaseDirectory + "Temp\\" +"pdf"+ APP.pageData.currpage.ToString() + ".jpg";
                        ImageHelper.SaveUIToImage(GridMain, FilePathName, (int)GridMain.ActualWidth, (int)GridMain.ActualHeight);
                    ImgPDFPath[APP.pageData.currpage - 1] =FilePathName;
                    });
                }
                catch (Exception ex)
                {
                    LogHelper.WriteErrLog("【录制】(Timer_Elapsed)生成图片错误:" + ex.Message, ex);
                }
            }
        }
        /// <summary>
        /// 将Word文档转换为图片的方法（该方法基于第三方DLL），你可以像这样调用该方法： ConvertPDF2Image("F:\\PdfFile.doc", "F:\\",
        /// "ImageFile", 1, 20, ImageFormat.Png, 256);
        /// </summary>
        /// <param name="pdfInputPath">Word文件路径</param>
        /// <param name="imageOutputPath">图片输出路径，如果为空，默认值为Word所在路径</param>
        /// <param name="imageName">图片的名字，不需要带扩展名，如果为空，默认值为Word的名称</param>
        /// <param name="startPageNum">从PDF文档的第几页开始转换，如果为0，默认值为1</param>
        /// <param name="endPageNum">从PDF文档的第几页开始停止转换，如果为0，默认值为Word总页数</param>
        /// <param name="imageFormat">设置所需图片格式，如果为null，默认格式为PNG</param>
        /// <param name="resolution">设置图片的像素，数字越大越清晰，如果为0，默认值为128，建议最大值不要超过1024</param>
        public List<string> ConvertWordToImage(string wordInputPath, string imageOutputPath,
            string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, float resolution)
        {
            // 返回的图片绝对路径集合
            List<string> images = new List<string>();
            try
            {
                // open word file
                Aspose.Words.Document doc = new Aspose.Words.Document(wordInputPath);
                // validate parameter
                if (doc == null) { throw new Exception("Word文件无效或者Word文件被加密！"); }
                if (imageOutputPath.Trim().Length == 0) { imageOutputPath = System.IO.Path.GetDirectoryName(wordInputPath); }
                if (!Directory.Exists(imageOutputPath)) { Directory.CreateDirectory(imageOutputPath); }
                if (imageName.Trim().Length == 0) { imageName = System.IO.Path.GetFileNameWithoutExtension(wordInputPath); }
                if (startPageNum <= 0) { startPageNum = 1; }
                if (endPageNum > doc.PageCount || endPageNum <= 0) { endPageNum = doc.PageCount; }
                if (startPageNum > endPageNum) { int tempPageNum = startPageNum; startPageNum = endPageNum; endPageNum = startPageNum; }
                if (imageFormat == null) { imageFormat = ImageFormat.Png; }
                if (resolution <= 0) { resolution = 128; }

                ImageSaveOptions imageSaveOptions = new ImageSaveOptions(GetSaveFormat(imageFormat))
                {
                    Resolution = resolution
                };

                // start to convert each page
                for (int i = startPageNum; i <= endPageNum; i++)
                {
                    imageSaveOptions.PageIndex = i - 1;
                    doc.Save(System.IO.Path.Combine(imageOutputPath, imageName) + "_" + APP.num.ToString() + "." + imageFormat.ToString(), imageSaveOptions);
                    images.Add(System.IO.Path.Combine(imageOutputPath, imageName) + "_" + APP.num.ToString() + "." + imageFormat.ToString());
                    APP.num++;
                }
                imageSaveOptions = null;
                doc = null;
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show("文档已打开,请关闭后重试！");
                LogHelper.WriteErrLog("【课堂考试（ExamWindow）】错误日志：" + ex.Message, ex);
            }
            return images;
        }
        private static SaveFormat GetSaveFormat(ImageFormat imageFormat)
        {
            SaveFormat sf;// = SaveFormat.Unknown;
            if (imageFormat.Equals(ImageFormat.Png))
            {
                sf = SaveFormat.Png;
            }
            else if (imageFormat.Equals(ImageFormat.Jpeg))
            {
                sf = SaveFormat.Jpeg;
            }
            else if (imageFormat.Equals(ImageFormat.Tiff))
            {
                sf = SaveFormat.Tiff;
            }
            else if (imageFormat.Equals(ImageFormat.Bmp))
            {
                sf = SaveFormat.Bmp;
            }
            else
            {
                sf = SaveFormat.Unknown;
            }

            return sf;
        }

        #region 图像缩放，移动
        private bool mouseDown;
        private System.Windows.Point mouseXY;
        private void IMG1_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            var img = sender as ContentControl;
            if (img == null)
            {
                return;
            }
            img.CaptureMouse();
            mouseDown = true;
            mouseXY = e.GetPosition(img);
            Console.WriteLine("mouseXY.X = " + mouseXY.X + "; mouseXY.Y = " + mouseXY.Y);

        }
        private void PicEMap_MouseDown(object sender, MouseButtonEventArgs e)
        {
            System.Windows.Point point = e.GetPosition(imgCanvas);
            //Console.WriteLine("PicEmap.X = " + point.X + "; PicEmap.Y = " + point.Y);
            //if ((point.X - 304) * (point.X - 304) + (point.Y - 86) * (point.Y - 86) < 100) 
            //{
            //    Console.WriteLine("在范围内");
            //}
        }
        private void IMG1_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            var img = sender as ContentControl;
            if (img == null)
            {
                return;
            }
            img.ReleaseMouseCapture();
            mouseDown = false;
        }
        private void IMG1_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
        {
            var img = sender as ContentControl;
            if (img == null)
            {
                return;
            }
            if (mouseDown)
            {
                Domousemove(img, e);
            }
        }
        private void Domousemove(ContentControl img, System.Windows.Input.MouseEventArgs e)
        {
            if (e.LeftButton != MouseButtonState.Pressed)
            {
                return;
            }
            var group = IMG.FindResource("Imageview") as TransformGroup;
            var transform = group.Children[1] as TranslateTransform;
            var position = e.GetPosition(img);
            transform.X -= mouseXY.X - position.X;
            transform.Y -= mouseXY.Y - position.Y;
            mouseXY = position;
        }
        private void IMG1_MouseWheel(object sender, MouseWheelEventArgs e)
        {
            var img = sender as ContentControl;
            if (img == null)
            {
                return;
            }
            var point = e.GetPosition(img);
            Console.WriteLine("point.X = " + point.X + "; point.Y=" + point.Y);
            var PicLocate = e.GetPosition(imgCanvas);
            Console.WriteLine("PicEmap.X = " + PicLocate.X + "; PicEmap.Y=" + PicLocate.Y);


            var group = IMG.FindResource("Imageview") as TransformGroup;
            var delta = e.Delta * 0.001;
            DowheelZoom(group, point, delta);
        }
        private void DowheelZoom(TransformGroup group, System.Windows.Point point, double delta)
        {
            var pointToContent = group.Inverse.Transform(point);
            var transform = group.Children[0] as ScaleTransform;
            if (transform.ScaleX + delta < 0.1) return;
            transform.ScaleX += delta;
            transform.ScaleY += delta;
            var transform1 = group.Children[1] as TranslateTransform;
            transform1.X = -1 * ((pointToContent.X * transform.ScaleX) - point.X);
            transform1.Y = -1 * ((pointToContent.Y * transform.ScaleY) - point.Y);
            //Console.WriteLine("transform.ScaleX = " + transform.ScaleX + "; transform.ScaleY = " + transform.ScaleY);
        }
        #endregion
    }
}