add a 'Paint background' check menu item in the MyImageFrame class

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57111 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 14c1c82d476ef1a57edda5c99af15eeb5d4be236..01af647f11d9fa230abc2a97486378bcb1bcd625 100644 (file)
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -152,9 +152,10 @@ private:
 
 enum
 {
 
 enum
 {

-    ID_ROTATE_LEFT = 100,
+    ID_ROTATE_LEFT = wxID_HIGHEST+1,

     ID_ROTATE_RIGHT,
     ID_ROTATE_RIGHT,

-    ID_RESIZE
+    ID_RESIZE,
+    ID_PAINT_BG

 };
 
 class MyImageFrame : public wxFrame
 };
 
 class MyImageFrame : public wxFrame


@@ -170,6 +171,8 @@ public:
         wxMenu *menu = new wxMenu;
         menu->Append(wxID_SAVE);
         menu->AppendSeparator();
         wxMenu *menu = new wxMenu;
         menu->Append(wxID_SAVE);
         menu->AppendSeparator();

+        m_pClearBgMenu = menu->AppendCheckItem(ID_PAINT_BG, _T("&Paint background"));
+        menu->AppendSeparator();

         menu->Append(ID_RESIZE, _T("&Fit to window\tCtrl-F"));
         menu->AppendSeparator();
         menu->Append(ID_ROTATE_LEFT, _T("Rotate &left\tCtrl-L"));
         menu->Append(ID_RESIZE, _T("&Fit to window\tCtrl-F"));
         menu->AppendSeparator();
         menu->Append(ID_ROTATE_LEFT, _T("Rotate &left\tCtrl-L"));


@@ -184,8 +187,8 @@ public:
         SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
 
         UpdateStatusBar();
         SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
 
         UpdateStatusBar();

-        
-        SetBackgroundColour(*wxWHITE);
+
+//        SetBackgroundColour(*wxWHITE);

     }
 
     void OnEraseBackground(wxEraseEvent& WXUNUSED(event))
     }
 
     void OnEraseBackground(wxEraseEvent& WXUNUSED(event))


@@ -196,9 +199,10 @@ public:
     void OnPaint(wxPaintEvent& WXUNUSED(event))
     {
         wxPaintDC dc(this);
     void OnPaint(wxPaintEvent& WXUNUSED(event))
     {
         wxPaintDC dc(this);

-        
-        ClearBackground();
-        
+
+        if (m_pClearBgMenu->IsChecked())
+            ClearBackground();
+

         const wxSize size = GetClientSize();
         dc.DrawBitmap(m_bitmap,
                       (size.x - m_bitmap.GetWidth())/2,
         const wxSize size = GetClientSize();
         dc.DrawBitmap(m_bitmap,
                       (size.x - m_bitmap.GetWidth())/2,


@@ -373,6 +377,7 @@ private:
     }
 
     wxBitmap m_bitmap;
     }
 
     wxBitmap m_bitmap;

+    wxMenuItem* m_pClearBgMenu;

 
     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };