Fix Ok/IsOk() mess in wxGDIObject-derived classes; also added

wxGDIObject::Create/CloneGDIRefData() and implemented them for (almost) all
ports


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50727 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/cocoa/bitmap.mm

@@ -46,6 +46,8 @@ public:
     wxBitmapRefData( const wxBitmapRefData& data );
     virtual ~wxBitmapRefData();
 
+    virtual bool IsOk() const { return m_ok; }
+
 protected:
     int                 m_width;
     int                 m_height;
@@ -145,12 +147,12 @@ wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
     LoadFile(filename, type);
 }
 
-wxObjectRefData *wxBitmap::CreateRefData() const
+wxGDIRefData *wxBitmap::CreateGDIRefData() const
 {
     return new wxBitmapRefData;
 }
 
-wxObjectRefData *wxBitmap::CloneRefData(const wxObjectRefData *data) const
+wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *data) const
 {
     return new wxBitmapRefData(*(wxBitmapRefData*)data);
 }
@@ -254,11 +256,6 @@ void wxBitmap::SetMask(wxMask *mask)
     M_BITMAPDATA->m_bitmapMask = mask ;
 }
 
-bool wxBitmap::IsOk() const
-{
-    return m_refData && M_BITMAPDATA->m_ok;
-}
-
 wxPalette* wxBitmap::GetPalette() const
 {
     if(!m_refData)