wxMSW update for CW, wxMac updated

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4802 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/pnghand.h

@@ -0,0 +1,37 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        pnghand.h
+// Purpose:     PNG bitmap handler
+// Author:      Julian Smart
+// Modified by: 
+// Created:     04/01/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Microsoft, Julian Smart
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma interface "pnghand.h"
+#endif
+
+#ifndef _WX_PNGHAND_H_
+#define _WX_PNGHAND_H_
+
+class WXDLLEXPORT wxPNGFileHandler: public wxBitmapHandler
+{
+  DECLARE_DYNAMIC_CLASS(wxPNGFileHandler)
+public:
+  inline wxPNGFileHandler(void)
+  {
+	m_name = "PNG bitmap file";
+	m_extension = "bmp";
+	m_type = wxBITMAP_TYPE_PNG;
+  };
+
+  virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
+      int desiredWidth, int desiredHeight);
+  virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
+};
+
+#endif
+  // _WX_PNGHAND_H_
+