Addition of capability to copy a page as an image to clipboard.

This enables a page to be copied and pasted into another app like Power point, word etc.
Also, enable the saving of the clipboard image to various formats including, png,
jpeg, tiff, bmp, wmp, and gif via the windows encoding methods.

1 files changed, 85 insertions, 14 deletions

diff --git a/platform/winrt/gsview/MainWindow.xaml.cs b/platform/winrt/gsview/MainWindow.xaml.cs
index 9fe3a2a4..4cf9d78f 100644
--- a/platform/winrt/gsview/MainWindow.xaml.cs
+++ b/platform/winrt/gsview/MainWindow.xaml.cs
@@ -212,6 +212,7 @@ namespace gsview
 		private Rectangle rect;
 		String m_prevsearch = null;
 		int m_numpagesvisible;
+		bool m_clipboardset;
 
 		public MainWindow()
 		{
@@ -327,6 +328,7 @@ namespace gsview
 			m_document_type = DocumentTypes.UNKNOWN;
 			EnabletoPDF();
 			m_numpagesvisible = 3;
+			m_clipboardset = false;
 			return result;
 		}
 
@@ -771,7 +773,7 @@ namespace gsview
 					if (found != null)
 					{
 						var Item = (DocPage)found;
-						RenderRange(Item.PageNum, false);
+						RenderRange(Item.PageNum - 1, false);
 					}
 					return;
 				}
@@ -1242,6 +1244,80 @@ namespace gsview
 			}
 		}
 
+#region Copy Paste Code
+		/* Copy the current page as a bmp to the clipboard this is done at the 
+		 * current resolution */
+		private void CopyPage(object sender, RoutedEventArgs e)
+		{
+			if (!m_init_done)
+				return;
+			var curr_page = m_docPages[m_currpage];
+			System.Windows.Clipboard.SetImage(curr_page.BitMap);
+			m_clipboardset = true;
+		}
+
+		/* Paste the page to various types supported by the windows encoder class */
+		private void PastePage(object sender, RoutedEventArgs e)
+		{
+			var menu = (System.Windows.Controls.MenuItem)sender;
+
+			String tag = (String) menu.Tag;
+
+			if (!m_clipboardset || !System.Windows.Clipboard.ContainsImage() || 
+				!m_init_done)
+				return;
+			var bitmap = System.Windows.Clipboard.GetImage();
+
+			BitmapEncoder encoder;
+			SaveFileDialog dlg = new SaveFileDialog();
+			dlg.FilterIndex = 1;
+
+			switch (tag)
+			{
+				case "PNG":
+					dlg.Filter = "PNG Files(*.png)|*.png";
+					encoder = new PngBitmapEncoder();
+
+					break;
+				case "JPG":
+					dlg.Filter = "JPEG Files(*.jpg)|*.jpg";
+					encoder = new JpegBitmapEncoder();
+					break;
+
+				case "WDP":
+					dlg.Filter = "HDP Files(*.wdp)|*.wdp";
+					encoder = new WmpBitmapEncoder();
+					break;
+
+				case "TIF":
+					dlg.Filter = "TIFF Files(*.tif)|*.tif";
+					encoder = new TiffBitmapEncoder();
+					break;
+
+				case "BMP":
+					dlg.Filter = "BMP Files(*.bmp)|*.bmp";
+					encoder = new BmpBitmapEncoder();
+					break;
+
+				case "GIF":
+					dlg.Filter = "GIF Files(*.gif)|*.gif";
+					encoder = new GifBitmapEncoder();
+					break;
+
+				default:
+					return;
+			}
+
+			encoder.Frames.Add(BitmapFrame.Create(bitmap));
+			if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
+			{
+				using (var stream = dlg.OpenFile())
+					encoder.Save(stream);
+			}
+		}
+#endregion Copy Paste Code
+		
+#region SaveAs Code
 		String CreatePDFXA(Save_Type_t type)
 		{
 			Byte[] Resource;
@@ -1426,16 +1502,6 @@ namespace gsview
 			SaveFile(Save_Type_t.PDF);
 		}
 
-		private void CopyPage(object sender, RoutedEventArgs e)
-		{
-
-		}
-
-		private void PastePage(object sender, RoutedEventArgs e)
-		{
-
-		}
-
 		private void SaveText(object sender, RoutedEventArgs e)
 		{
 			SaveFile(Save_Type_t.TEXT);
@@ -1509,10 +1575,13 @@ namespace gsview
 		private void SaveXPS(object sender, RoutedEventArgs e)
 		{
 			SaveFile(Save_Type_t.XPS);
-		}		
+		}
+#endregion SaveAs Code
+
+#region Extract Code
 		private void Extract(Extract_Type_t type)
 		{
-			if (m_selection != null)
+			if (m_selection != null || !m_init_done)
 				return;
 
 			m_selection = new Selection(m_currpage + 1, m_doczoom, type);
@@ -1559,6 +1628,7 @@ namespace gsview
 				}
 			}
 		}
+
 		private void SelectionMade(object gsObject, SelectEventArgs results)
 		{
 			switch (results.State)
@@ -1655,6 +1725,7 @@ namespace gsview
 		{
 			m_outputintents.Show();
 		}
+#endregion Extract Code
 
 #region Search Code
 		/* Search related code */
@@ -1669,7 +1740,7 @@ namespace gsview
 			else
 			{
 				xaml_SearchControl.Visibility = System.Windows.Visibility.Collapsed;
-				xaml_SearchProgress.Visibility = System.Windows.Visibility.Collapsed;
+				xaml_SearchGrid.Visibility = System.Windows.Visibility.Collapsed;
 				ClearTextSearch();
 			}
 		}