X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c030b70fc6270c2e44a81f83e69fcc91d2b3c768..8e08b761b0c5ecb6df295785b78f1f3637331887:/samples/png/pngdemo.cpp

diff --git a/samples/png/pngdemo.cpp b/samples/png/pngdemo.cpp
index e28ab8a588..473340a6e9 100644
--- a/samples/png/pngdemo.cpp
+++ b/samples/png/pngdemo.cpp
@@ -20,9 +20,7 @@
 #pragma hdrstop
 #endif
 
-#ifdef __WXMSW__
-#include <wx/pnghand.h>
-#endif
+#include "wx/image.h"
 
 #include "pngdemo.h"
 
@@ -37,9 +35,7 @@ MyApp::MyApp()
 
 bool MyApp::OnInit(void)
 {
-#ifdef __WXMSW__
-  wxBitmap::AddHandler(new wxPNGFileHandler);
-#endif
+  wxImage::AddHandler(new wxPNGHandler);
 
   // Create the main frame window
   frame = new MyFrame((wxFrame *) NULL, "wxPNGBitmap Demo", wxPoint(0, 0), wxSize(300, 300));
@@ -104,10 +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 );
   
@@ -132,10 +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 )
@@ -178,10 +174,10 @@ void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
   if ( g_TestBitmap && g_TestBitmap->Ok() )
   {
     wxMemoryDC memDC;
-    if ( g_TestBitmap->GetColourMap() )
+    if ( g_TestBitmap->GetPalette() )
     {
-        memDC.SetPalette(* g_TestBitmap->GetColourMap());
-        dc.SetPalette(* g_TestBitmap->GetColourMap());
+        memDC.SetPalette(* g_TestBitmap->GetPalette());
+        dc.SetPalette(* g_TestBitmap->GetPalette());
     }
     memDC.SelectObject(* g_TestBitmap);
 
@@ -204,12 +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;
-}