using PaintDotNet.Annotation.Enum;
using PaintDotNet.Base;
using PaintDotNet.Data.Param;
using PaintDotNet.FieldView;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Globalization;
using System.Windows.Forms;

namespace PaintDotNet.Menus
{
    /// <summary>
    /// 视场菜单
    /// </summary>
    internal sealed class ViewSettingMenu : PdnMenuItem
    {
        private PdnMenuItem menuViewSelect;
        private PdnMenuItem menuViewDeleteSelect;
        private PdnMenuItem menuViewClearAll;
        private ToolStripSeparator menuHelpSeparator1;
        private PdnMenuItem menuOvalView;
        private PdnMenuItem menuRoundView;
        private PdnMenuItem menuRectangleView;
        private PdnMenuItem menuRectangleExView;
        private PdnMenuItem menuTriangleView;
        private PdnMenuItem menuTriangleExView;
        private PdnMenuItem menuSquareView;
        private PdnMenuItem menuPolygonView;
        private ToolStripSeparator menuHelpSeparator2;
        private PdnMenuItem menuMergeFieldOfView;
        private PdnMenuItem menuDeleteFieldOfView;
        private ToolStripSeparator menuHelpSeparator3;
        private PdnMenuItem menuShearFieldOfView;
        private PdnMenuItem menuTransparentCut;
        private ToolStripSeparator menuHelpSeparator4;
        private PdnMenuItem menuOpenFieldOfView;
        private PdnMenuItem menuModifyFieldOfView;
        private PdnMenuItem menuSaveFieldOfView;

        public ViewSettingMenu(int menuId)
        {
            InitializeComponent();
            this.MenuId = menuId;
            this.AutoNextScript = false;
            this.AutomaticScript = false;
        }

        protected override void OnAppWorkspaceChanged()
        {
            base.OnAppWorkspaceChanged();
        }

        protected override void OnDropDownOpening(EventArgs e)
        {
            //this.RecursiveData(this.DropDownItems);

            base.OnDropDownOpening(e);
        }

        private void InitializeComponent()
        {
            this.menuViewSelect = new PdnMenuItem(ActionType.ViewSelect);
            this.menuViewDeleteSelect = new PdnMenuItem(ActionType.ViewDeleteSelect);
            this.menuViewClearAll = new PdnMenuItem(ActionType.ViewClearAll);
            this.menuHelpSeparator1 = new ToolStripSeparator();
            this.menuOvalView = new PdnMenuItem(ActionType.OvalView);
            this.menuRoundView = new PdnMenuItem(ActionType.RoundView);
            this.menuRectangleView = new PdnMenuItem(ActionType.RectangleView);
            this.menuRectangleExView = new PdnMenuItem(ActionType.RectangleExView);
            this.menuTriangleView = new PdnMenuItem(ActionType.TriangleView);
            this.menuTriangleExView = new PdnMenuItem(ActionType.TriangleExView);
            this.menuSquareView = new PdnMenuItem(ActionType.SquareView);
            this.menuPolygonView = new PdnMenuItem(ActionType.PolygonView);
            this.menuHelpSeparator2 = new ToolStripSeparator();
            this.menuMergeFieldOfView = new PdnMenuItem(ActionType.MergeFieldOfView);
            this.menuDeleteFieldOfView = new PdnMenuItem(ActionType.DeleteFieldOfView);
            this.menuHelpSeparator3 = new ToolStripSeparator();
            this.menuShearFieldOfView = new PdnMenuItem(ActionType.ShearFieldOfView);
            this.menuTransparentCut = new PdnMenuItem(ActionType.TransparentCut);
            this.menuHelpSeparator4 = new ToolStripSeparator();
            this.menuOpenFieldOfView = new PdnMenuItem(ActionType.OpenFieldOfView);
            this.menuModifyFieldOfView = new PdnMenuItem(ActionType.ModifyFieldOfView);
            this.menuSaveFieldOfView = new PdnMenuItem(ActionType.SaveFieldOfView);
            //
            // 主菜单
            //
            this.DropDownItems.AddRange(new ToolStripItem[] {
                this.menuViewSelect,
                this.menuViewDeleteSelect,
                this.menuViewClearAll,
                this.menuHelpSeparator1,
                this.menuOvalView,
                this.menuRoundView,
                this.menuRectangleView,
                this.menuRectangleExView,
                this.menuTriangleView,
                this.menuTriangleExView,
                this.menuSquareView,
                this.menuPolygonView,
                this.menuHelpSeparator2,
                this.menuMergeFieldOfView,
                this.menuDeleteFieldOfView,
                this.menuHelpSeparator3,
                this.menuShearFieldOfView,
                this.menuTransparentCut,
                this.menuHelpSeparator4,
                this.menuOpenFieldOfView,
                this.menuModifyFieldOfView,
                this.menuSaveFieldOfView
            });
            this.Name = "Menu.ViewSetting";
            this.Text = PdnResources.GetString("Menu.ViewSetting.Text");
            //
            // 选择视场
            //
            this.menuViewSelect.Click += new EventHandler(MenuViewSelect_Click);
            this.menuViewSelect.NeedWaitKey = true;
            //
            // 删除选择
            //
            this.menuViewDeleteSelect.Click += new System.EventHandler(MenuViewDeleteSelect_Click);
            this.menuViewDeleteSelect.NeedWaitKey = true;
            //
            // 清空全部
            //
            this.menuViewClearAll.Click += new System.EventHandler(MenuViewClearAll_Click);
            this.menuViewClearAll.NeedWaitKey = true;
            //
            // 椭圆视场
            //
            this.menuOvalView.Click += new System.EventHandler(MenuOvalView_Click);
            this.menuOvalView.NeedWaitKey = true;
            //
            // 圆形视场
            //
            this.menuRoundView.Click += new System.EventHandler(MenuRoundView_Click);
            this.menuRoundView.NeedWaitKey = true;
            //
            // 矩形视场
            //
            this.menuRectangleView.Click += new System.EventHandler(MenuRectangleView_Click);
            this.menuRectangleView.NeedWaitKey = true;
            //
            // 矩形视场
            //
            this.menuRectangleExView.Click += new System.EventHandler(MenuRectangleExView_Click);
            this.menuRectangleExView.NeedWaitKey = true;
            //
            // 直角三角形视场
            //
            this.menuTriangleView.Click += new System.EventHandler(MenuTriangleView_Click);
            this.menuTriangleView.NeedWaitKey = true;
            //
            // 任意三角形视场
            //
            this.menuTriangleExView.Click += new System.EventHandler(MenuTriangleExView_Click);
            this.menuTriangleExView.NeedWaitKey = true;
            //
            // 正方形视场
            //
            this.menuSquareView.Click += new System.EventHandler(MenuSquareView_Click);
            this.menuSquareView.NeedWaitKey = true;
            //
            // 多边形视场
            //
            this.menuPolygonView.Click += new System.EventHandler(MenuPolygonView_Click);
            this.menuPolygonView.NeedWaitKey = true;
            //
            // 合并视场
            //
            this.menuMergeFieldOfView.Click += new System.EventHandler(MenuMergeFieldOfView_Click);
            this.menuMergeFieldOfView.NeedWaitKey = true;
            this.menuMergeFieldOfView.Checked = true;


            //
            // 删除视场
            //
            this.menuDeleteFieldOfView.Click += new System.EventHandler(MenuDeleteFieldOfView_Click);
            this.menuDeleteFieldOfView.NeedWaitKey = true;
            this.menuDeleteFieldOfView.Checked = false;
            //
            // 剪切视场
            //
            this.menuShearFieldOfView.Click += new System.EventHandler(MenuShearFieldOfView_Click);
            this.menuShearFieldOfView.NeedWaitKey = true;
            //
            // 透明剪切
            //
            this.menuTransparentCut.Click += new System.EventHandler(MenuTransparentCut_Click);
            this.menuTransparentCut.NeedWaitKey = true;
            //
            // 打开视场
            //
            this.menuOpenFieldOfView.Click += new System.EventHandler(MenuOpenFieldOfView_Click);
            this.menuOpenFieldOfView.NeedWaitKey = true;
            //
            // 修改视场
            //
            this.menuModifyFieldOfView.Click += new System.EventHandler(MenuModifyFieldOfView_Click);
            this.menuModifyFieldOfView.NeedWaitKey = true;
            //
            // 保存视场
            //
            this.menuSaveFieldOfView.Click += new System.EventHandler(MenuSaveFieldOfView_Click);
            this.menuSaveFieldOfView.NeedWaitKey = true;

            //
            // 加载菜单的文字和icon
            //
            this.LoadNames(this.Name);
            this.LoadIcons();
        }
        /// <summary>
        /// 选择视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuViewSelect_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.ActiveTool = DrawToolType.Pointer;
            }
        }
        /// <summary>
        /// 删除选择的视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuViewDeleteSelect_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.ActiveTool = DrawToolType.Pointer;
                AppWorkspace.ActiveDocumentWorkspace.GraphicsList.DeleteSelection(DrawClass.View);
                AppWorkspace.ActiveDocumentWorkspace.Refresh();
            }
        }
        /// <summary>
        /// 清空全部
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuViewClearAll_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.GraphicsList.DeleteAllView();
                AppWorkspace.ActiveDocumentWorkspace.Refresh();
            }
        } 
        /// <summary>
        /// 椭圆视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuOvalView_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.ActiveTool = DrawToolType.ViewOval;
            }
        }
        /// <summary>
        /// 圆形视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuRoundView_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.ActiveTool = DrawToolType.ViewCircle;
            }
        }
        /// <summary>
        /// 矩形视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuRectangleView_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.ActiveTool = DrawToolType.ViewRectangle;
            }
        }
        /// <summary>
        /// 矩形视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuRectangleExView_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.ActiveTool = DrawToolType.ViewRectangleEx;
            }
        }
        /// <summary>
        /// 三角形视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuTriangleView_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.ActiveTool = DrawToolType.ViewTriangle;
            }
        }
        /// <summary>
        /// 任意三角形视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuTriangleExView_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.ActiveTool = DrawToolType.ViewTriangleEx;
            }
        }
        /// <summary>
        /// 正方形视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuSquareView_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.ActiveTool = DrawToolType.ViewSquare;
            }
        }
        /// <summary>
        /// 多边形视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuPolygonView_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                AppWorkspace.ActiveDocumentWorkspace.ActiveTool = DrawToolType.ViewPolygon;
            }
        }
        /// <summary>
        /// 合并视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuMergeFieldOfView_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                AppWorkspace.ActiveDocumentWorkspace.CombineMode = CombineMode.Union;

                if (!AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView)
                {
                    if (AppWorkspace.startScriptRecording)
                    {
                        AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                    }
                    AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView = AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView;
                    AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView = !AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView;
                    this.menuMergeFieldOfView.Checked = AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView;
                    this.menuDeleteFieldOfView.Checked = AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView;
                    this.AppWorkspace.toolBar.RefreshBtnSelect(AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView, "DeleteFieldOfView");
                    this.AppWorkspace.toolsPanel.RefreshBtnSelect(AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView, "DeleteFieldOfView");
                    this.AppWorkspace.toolBar.RefreshBtnSelect(AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView, "MergeFieldOfView");
                    this.AppWorkspace.toolsPanel.RefreshBtnSelect(AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView, "MergeFieldOfView");
                }
         
            }
        }
        /// <summary>
        /// 删除视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuDeleteFieldOfView_Click(object sender, EventArgs e)
        {
            if (AppWorkspace.ActiveDocumentWorkspace != null)
            {
                AppWorkspace.ActiveDocumentWorkspace.CombineMode = CombineMode.Complement;
                if(!AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView)
                {
                    if (AppWorkspace.startScriptRecording)
                    {
                        AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                    }
                    AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView = AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView;
                    AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView = !AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView;
                    this.menuMergeFieldOfView.Checked = AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView;
                    this.menuDeleteFieldOfView.Checked = AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView;
                    this.AppWorkspace.toolBar.RefreshBtnSelect(AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView, "MergeFieldOfView");
                    this.AppWorkspace.toolsPanel.RefreshBtnSelect(AppWorkspace.ActiveDocumentWorkspace.MergeFieldOfView, "MergeFieldOfView");
                    this.AppWorkspace.toolBar.RefreshBtnSelect(AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView, "DeleteFieldOfView");
                    this.AppWorkspace.toolsPanel.RefreshBtnSelect(AppWorkspace.ActiveDocumentWorkspace.DeleteFieldOfView, "DeleteFieldOfView");
                }
      
            }
        }
        /// <summary>
        /// 剪切视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuShearFieldOfView_Click(object sender, EventArgs e)
        {
            if (this.AppWorkspace!=null && this.AppWorkspace.ActiveDocumentWorkspace!=null) 
            {
                Bitmap bitmap = this.AppWorkspace.ActiveDocumentWorkspace.GetCutSizeWithColorWhiteOrTransparent(false);
                if(bitmap!=null)
                {
                    if (AppWorkspace.startScriptRecording)
                    {
                        AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                    }
                    DocumentWorkspace dw = AppWorkspace.AddNewDocumentWorkspace();
                    Document document = Document.FromImageMat(Camera.Tools.ToMat(bitmap));
                    dw.Document = document;
                    dw.xmlSaveModel =  this.AppWorkspace.ActiveDocumentWorkspace.xmlSaveModel;
                    dw.rules =  this.AppWorkspace.ActiveDocumentWorkspace.rules;
                    dw.fileText = PdnResources.GetString("Menu.ViewSetting.ShearFieldOfView.Text") + "-" + Startup.instance.step_length;
                    AppWorkspace.ActiveDocumentWorkspace = dw;
                    Startup.instance.step_length += 1;
                }
            }
        }
        /// <summary>
        /// 透明剪切
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuTransparentCut_Click(object sender, EventArgs e)
        {
            if (this.AppWorkspace != null && this.AppWorkspace.ActiveDocumentWorkspace != null)
            {
                Bitmap bitmap = this.AppWorkspace.ActiveDocumentWorkspace.GetCutSizeWithColorWhiteOrTransparent(true);
                if (bitmap != null)
                {
                    if (AppWorkspace.startScriptRecording)
                    {
                        AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                    }
                    DocumentWorkspace dw = AppWorkspace.AddNewDocumentWorkspace();
                    Document document = Document.FromImageMat(Camera.Tools.ToMat(bitmap));
                    dw.Document = document;
                    dw.xmlSaveModel = this.AppWorkspace.ActiveDocumentWorkspace.xmlSaveModel;
                    dw.rules = this.AppWorkspace.ActiveDocumentWorkspace.rules;
                    dw.fileText = PdnResources.GetString("Menu.ViewSetting.TransparentCut.Text") + "-" + Startup.instance.step_length;
                    AppWorkspace.ActiveDocumentWorkspace = dw;
                    Startup.instance.step_length += 1;
                }
            }
        }
        /// <summary>
        /// 打开视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuOpenFieldOfView_Click(object sender, EventArgs e)
        {
            using (OpenViewDialog dialog = new OpenViewDialog(AppWorkspace))
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
                dialog.StartPosition = FormStartPosition.CenterScreen;
                dialog.ShowDialog();
            }
        }
        /// <summary>
        /// 修改视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuModifyFieldOfView_Click(object sender, EventArgs e)
        {
            //如果当前界面有视场、并且选中的是视场
            if (AppWorkspace.ActiveDocumentWorkspace!=null 
                && AppWorkspace.ActiveDocumentWorkspace.GraphicsList!=null
                && AppWorkspace.ActiveDocumentWorkspace.GraphicsList.Count>0
                && AppWorkspace.ActiveDocumentWorkspace.GraphicsList.SelectionCount==1)
            {
                if (AppWorkspace.startScriptRecording)
                {
                    AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                }
               var  changeViewDialog = (ChangeViewDialog)Application.OpenForms["ChangeViewDialog"];//尝试获取已经弹出的窗口对象
                FloatingFormMethod.ShowFloatForm(changeViewDialog, changeViewDialog == null ? new ChangeViewDialog(AppWorkspace)/*没有弹出的窗口对象则创建*/ : null, AppWorkspace);
            }
            else
            {
                MessageBox.Show(PdnResources.GetString("Menu.leaseonlyonefieldofviewtomodify.Text"));
            }
        }
        /// <summary>
        /// 保存视场
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MenuSaveFieldOfView_Click(object sender, EventArgs e)
        {
            if(AppWorkspace.ActiveDocumentWorkspace!=null)
            {
                Region region = AppWorkspace.ActiveDocumentWorkspace.GetRegion();
                Bitmap bitmap = AppWorkspace.ActiveDocumentWorkspace.CompositionSurface.CreateAliasedBitmap();
                //判断当前surfacebox内是否有视场
                if (region != null)
                {
                    using (SaveViewDialog dialog = new SaveViewDialog(AppWorkspace, region, bitmap))
                    {
                        if (AppWorkspace.startScriptRecording)
                        {
                            AppWorkspace.SetScriptStartRecording(((PdnMenuItem)sender).MenuId, ((PdnMenuItem)sender).Text, new List<Args>());
                        }
                        dialog.StartPosition = FormStartPosition.CenterScreen;
                        dialog.ShowDialog();
                    }
                }
                else
                {
                    MessageBox.Show(PdnResources.GetString("Menu.Drawthefieldofviewfirst.Text"));
                }
            }
        }
        private string GetCultureInfoName(CultureInfo ci)
        {
            CultureInfo en_US = new CultureInfo("en-US");

            if (ci.Equals(en_US))
            {
                return GetCultureInfoName(ci.Parent);
            }
            else
            {
                return ci.NativeName;
            }
        }
    }
}