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[wxWidgets.git] / samples / png / pngdemo.cpp

diff --git a/samples/png/pngdemo.cpp b/samples/png/pngdemo.cpp
index 7bbd13e4739b7a28f6e767bd13166d633e7982cf..5ae070ba07bdb682c2e8650565820252ce50bd60 100644 (file)
--- a/samples/png/pngdemo.cpp
+++ b/samples/png/pngdemo.cpp
@@ -29,10 +29,6 @@ wxBitmap  *g_TestBitmap = (wxBitmap *) NULL;
 
 IMPLEMENT_APP(MyApp)
 
-MyApp::MyApp()
-{
-}
-
 bool MyApp::OnInit(void)
 {
   wxImage::AddHandler(new wxPNGHandler);
@@ -40,8 +36,10 @@ bool MyApp::OnInit(void)
   // Create the main frame window
   frame = new MyFrame((wxFrame *) NULL, _T("wxPNGBitmap Demo"), wxPoint(0, 0), wxSize(300, 300));
 
+#if wxUSE_STATUSBAR
   // Give it a status line
   frame->CreateStatusBar(2);
+#endif // wxUSE_STATUSBAR
 
   // Make a menubar
   wxMenu *file_menu = new wxMenu;
@@ -68,7 +66,9 @@ bool MyApp::OnInit(void)
 
   frame->Show(true);
 
+#if wxUSE_STATUSBAR
   frame->SetStatusText(_T("Hello, wxWidgets"));
+#endif // wxUSE_STATUSBAR
 
   return true;
 }
@@ -115,9 +115,9 @@ void MyFrame::OnSaveFile(wxCommandEvent& WXUNUSED(event))
                                wxT("png"), wxT("PNG files (*.png)|*.png") );
 
   if (f == _T(""))  return;
-  
+
   wxBitmap *backstore = new wxBitmap( 150, 150 );
-  
+
   wxMemoryDC memDC;
   memDC.SelectObject( *backstore );
   memDC.Clear();
@@ -128,11 +128,11 @@ void MyFrame::OnSaveFile(wxCommandEvent& WXUNUSED(event))
   memDC.DrawLine( 0, 0, 0, 10 );
   memDC.SetTextForeground( *wxWHITE );
   memDC.DrawText( _T("This is a memory dc."), 10, 10 );
-  
+
   memDC.SelectObject( wxNullBitmap );
-  
+
   backstore->SaveFile( f, wxBITMAP_TYPE_PNG, (wxPalette*)NULL );
-  
+
   delete backstore;
 }
 
@@ -169,10 +169,6 @@ MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size):
 {
 }
 
-MyCanvas::~MyCanvas(void)
-{
-}
-
 // Define the repainting behaviour
 void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
 {