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;

namespace XHWK.WKTool
{
    /// <summary>
    /// 主页面
    /// </summary>
    public partial class XHMicroLessonSystemWindow : Window
    {
        #region 初始值
        /// <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;
        #endregion

        #region 初始化
        /// <summary>
        /// 主页面
        /// </summary>
        public XHMicroLessonSystemWindow()
        {
            InitializeComponent();
            myblackboard = new BlackboardNew(blackboard_canvas);
            APP.pageData.pagenum = 1;
            APP.pageData.currpage = 1;
            DataContext = APP.pageData;
            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;
            drawingAttributes.FitToCurve = true;

            wfhCamera.Visibility = Visibility.Hidden;

         
        }
        #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_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();

            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 - 60;
            this.Hide();
            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)
        {
            this.Close();
        }
        /// <summary>
        /// 设置 保存事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnSave_Click(object sender, RoutedEventArgs e)
        {
            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;
            }
        }
        /// <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",
                    InitialDirectory = desktopPath,
                    Multiselect = false,
                    AddExtension = true,
                    DereferenceLinks = true
                };

                new Thread(
                    o =>
                    {
                        Thread.Sleep(400);
                        Dispatcher.Invoke(new Action(() =>
                        {
                            openDialog();
                        }
                            ));
                    })
                {
                    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;
                        APP.pageData.currpage = APP.pageData.pagenum;
                        myblackboard.changepage(APP.pageData.currpage - 1);
                    }
                    if (!string.IsNullOrWhiteSpace(txbCurrpage.Text) && APP.pageData.currpage < APP.Paths.Length)
                    {
                        imgCanvas.Source = new BitmapImage(new Uri(APP.Paths[Convert.ToInt32(txbCurrpage.Text) - 1]));
                    }
                    else
                    {
                        imgCanvas.Source = null;
                    }
                }
            }
        }
        #region 录制窗口

        /// <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;
            }

        }
        /// <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>
        int ImgNum = 0;
        /// <summary>
        /// 是否开始截图计数
        /// </summary>
        bool IsStartCount = false;

        /// <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
                {
                    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."+ ((Enum_VideoType)int.Parse(FileToolsCommon.GetConfigValue("VideoType"))).ToString();
                    if(FileToolsCommon.IsExistFile(VideoSavePathName))
                    {

                    }
                    IsFirstR = false;
                    ImgNum = 0;
                    new Thread(new ThreadStart(new Action(() =>
                    {
                        while (true)
                        {
                            Thread.Sleep(200);
                            if (IsStartCount)
                            {
                                ImgNum++;
                                Dispatcher.Invoke(() =>
                                {
                                    string FilePathName = ImgPath + ImgNum + ".png";
                                    ImageHelper.SaveUIToImage(GridMain, FilePathName, (int)GridMain.ActualWidth, (int)GridMain.ActualHeight);
                                });
                            }
                        }
                    }))).Start();
                }
                //继续录制
                IsSuspendR = false;
                //BtnRecording.Content = "暂停录制";
                ImgRecord.Source = new BitmapImage(new Uri("pack://application:,,,/Images/microLessonSystem_23.png"));
                try
                {
                    APP.FFmpeg.StartRecordingAudio(AudioPathName);
                    new Thread(new ThreadStart(new Action(() =>
                    {
                        Thread.Sleep(1000);
                        //Dispatcher.Invoke(() =>
                        //{
                            IsStartCount = true;
                        //});
                    }))).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"));
                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>
        /// 停止录制并生成录制文件
        /// </summary>
        void EndRecord()
        {
            IsFirstR = true;
            IsSuspendR = true;
            ImgRecord.Source = new BitmapImage(new Uri("pack://application:,,,/Images/microLessonSystem_14.png"));
            try
            {
                APP.FFmpeg.StopFFmpeg(AudioPathName);
                new Thread(new ThreadStart(new Action(() =>
                {
                    while (APP.FFmpeg.myProcess != null)
                    {
                        Thread.Sleep(100);
                    }
                    Dispatcher.Invoke(() =>
                    {
                        IsStartCount = false;
                    });
                }))).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.ActualWidth, (int)GridMain.ActualHeight);
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show(ex.Message);
            }
        }
        #endregion

        /// <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;
            }
        }
        /// <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;
            }
        }
        /// <summary>
        /// 打印事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnPrint_Click(object sender, RoutedEventArgs e)
        {

        }
        /// <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;
                    }
                }
            }
            
        }
        /// <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]));
                    }
                    else
                    {
                        imgCanvas.Source = null;
                    }
                }
            }
        }
        /// <summary>
        /// 添加
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void add_button_Click(object sender, RoutedEventArgs e)
        {
            APP.pageData.pagenum += 1;
            APP.pageData.currpage = APP.pageData.pagenum;
            myblackboard.changepage(APP.pageData.currpage - 1);
        }
        /// <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 = Path.GetDirectoryName(wordInputPath); }
                if (!Directory.Exists(imageOutputPath)) { Directory.CreateDirectory(imageOutputPath); }
                if (imageName.Trim().Length == 0) { imageName = 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(Path.Combine(imageOutputPath, imageName) + "_" + APP.num.ToString() + "." + imageFormat.ToString(), imageSaveOptions);
                    images.Add(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;
        }
    }
}