Added export as PostScript

Editor/Editor/SpiroEditor.cs

@@ -650,6 +650,39 @@ namespace SpiroNet.Editor
             }
         }
 
+        public void ExportAsPs(string path)
+        {
+            using (var f = System.IO.File.CreateText(path))
+            {
+                var sb = new StringBuilder();
+
+                sb.Append(PsBezierContext.PsProlog);
+                sb.Append(string.Format(PsBezierContext.PsSize, Width, Height));
+
+                foreach (var shape in Shapes)
+                {
+                    var bc = new PsBezierContext();
+
+                    try
+                    {
+                        if (TryGetData(shape, bc))
+                        {
+                            sb.Append(bc);
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        Debug.Print(ex.Message);
+                        Debug.Print(ex.StackTrace);
+                    }
+                }
+
+                sb.Append(PsBezierContext.PsPostlog);
+
+                f.Write(sb);
+            }
+        }
+
         public void ExecuteScript(string script)
         {
             var shapes = Plate.ToShapes(script);

Editor/SpiroNet.Editor.csproj

@@ -45,6 +45,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Contexts\PsBezierContext.cs" />
     <Compile Include="Editor\SpiroEditor.cs" />
     <Compile Include="Json\JsonSerializer.cs" />
     <Compile Include="Json\ObservableCollectionContractResolver.cs" />

Wpf/Controls/SpiroControl.xaml.cs

@@ -217,7 +217,7 @@ namespace SpiroNet.Wpf
         private void Export()
         {
             var dlg = new Microsoft.Win32.SaveFileDialog();
-            dlg.Filter = "Svg Files (*.svg)|*.svg|All Files (*.*)|*.*";
+            dlg.Filter = "Svg Files (*.svg)|*.svg|Ps Files (*.ps)|*.ps|All Files (*.*)|*.*";
             dlg.FileName = "drawing.svg";
 
             var result = dlg.ShowDialog();
@@ -230,6 +230,9 @@ namespace SpiroNet.Wpf
                         case 1:
                             _editor.ExportAsSvg(dlg.FileName);
                             break;
+                        case 2:
+                            _editor.ExportAsPs(dlg.FileName);
+                            break;
                         default:
                             _editor.ExportAsSvg(dlg.FileName);
                             break;