added an extremely simple cell attr cache (yet it catches 80% of acccesses)

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

diff --git a/samples/png/pngdemo.cpp b/samples/png/pngdemo.cpp
index 07d19ac4a5269e4f23d5f875acf486284852136a..473340a6e95e51fd39794423d36c31388eb2e47d 100644 (file)
--- a/samples/png/pngdemo.cpp
+++ b/samples/png/pngdemo.cpp
@@ -20,10 +20,7 @@
 #pragma hdrstop
 #endif
 
-#ifdef __WXMSW__
-#include <wx/pnghand.h>
-// #include <wx/xpmhand.h>
-#endif
+#include "wx/image.h"
 
 #include "pngdemo.h"
 
@@ -38,11 +35,7 @@ MyApp::MyApp()
 
 bool MyApp::OnInit(void)
 {
-#ifdef __WXMSW__
-  wxBitmap::AddHandler(new wxPNGFileHandler);
-//  wxBitmap::AddHandler(new wxXPMFileHandler);
-//  wxBitmap::AddHandler(new wxXPMDataHandler);
-#endif
+  wxImage::AddHandler(new wxPNGHandler);
 
   // Create the main frame window
   frame = new MyFrame((wxFrame *) NULL, "wxPNGBitmap Demo", wxPoint(0, 0), wxSize(300, 300));
@@ -107,10 +100,10 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnSaveFile(wxCommandEvent& WXUNUSED(event))
 {
-  char *f = wxFileSelector( "Save Image", (const char *)NULL, (const char *)NULL, 
+  wxString f = wxFileSelector( "Save Image", (const char *)NULL, (const char *)NULL,
                             "png", "PNG files (*.png)|*.png" );
 
-  if (!f)  return;
+  if (f == "")  return;
   
   wxBitmap *backstore = new wxBitmap( 150, 150 );
   
@@ -135,10 +128,10 @@ void MyFrame::OnSaveFile(wxCommandEvent& WXUNUSED(event))
 void MyFrame::OnLoadFile(wxCommandEvent& WXUNUSED(event))
 {
        // Show file selector.
-       char *f = wxFileSelector("Open Image", (const char *) NULL, (const char *) NULL,"png",
+       wxString f = wxFileSelector("Open Image", (const char *) NULL, (const char *) NULL,"png",
                  "PNG files (*.png)|*.png");
 
-       if (!f)
+       if (f == "")
          return;
 
     if ( g_TestBitmap )
@@ -207,12 +200,4 @@ void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
   }
 }
 
-// Define the behaviour for the frame closing
-// - must delete all frames except for the main one.
-bool MyFrame::OnClose(void)
-{
-  Show(FALSE);
-
-  return TRUE;
-}