use GlobalPtrLock (modified to allow not initializing it if the ptr is NULL) in wxGet...

[wxWidgets.git] / include / wx / msw / gdiimage.h

diff --git a/include/wx/msw/gdiimage.h b/include/wx/msw/gdiimage.h
index 2111414a63e63ba96c0502bd72d93565b6645ddb..2a085f319fa462d971e6ae8d6e210e2c91d96835 100644 (file)
--- a/include/wx/msw/gdiimage.h
+++ b/include/wx/msw/gdiimage.h
@@ -20,9 +20,9 @@
 #include "wx/gdicmn.h"          // wxBITMAP_TYPE_INVALID
 #include "wx/list.h"
 
-class WXDLLEXPORT wxGDIImageRefData;
-class WXDLLEXPORT wxGDIImageHandler;
-class WXDLLEXPORT wxGDIImage;
+class WXDLLIMPEXP_FWD_CORE wxGDIImageRefData;
+class WXDLLIMPEXP_FWD_CORE wxGDIImageHandler;
+class WXDLLIMPEXP_FWD_CORE wxGDIImage;
 
 WX_DECLARE_EXPORTED_LIST(wxGDIImageHandler, wxGDIImageHandlerList);
 
@@ -51,7 +51,7 @@ public:
     }
 
     // accessors
-    bool IsOk() const { return m_handle != 0; }
+    virtual bool IsOk() const { return m_handle != 0; }
 
     void SetSize(int w, int h) { m_width = w; m_height = h; }
 
@@ -154,9 +154,6 @@ public:
     void SetHandle(WXHANDLE handle)
         { AllocExclusive(); GetGDIImageData()->m_handle = handle; }
 
-    bool Ok() const { return IsOk(); }
-    bool IsOk() const { return GetHandle() != 0; }
-
     int GetWidth() const { return IsNull() ? 0 : GetGDIImageData()->m_width; }
     int GetHeight() const { return IsNull() ? 0 : GetGDIImageData()->m_height; }
     int GetDepth() const { return IsNull() ? 0 : GetGDIImageData()->m_depth; }
@@ -180,8 +177,17 @@ protected:
     // create the data for the derived class here
     virtual wxGDIImageRefData *CreateData() const = 0;
 
-    // implement the wxObject method in terms of our, more specific, one
-    virtual wxObjectRefData *CreateRefData() const { return CreateData(); }
+    // implement the wxGDIObject method in terms of our, more specific, one
+    virtual wxGDIRefData *CreateGDIRefData() const { return CreateData(); }
+
+    // we can't [efficiently] clone objects of this class
+    virtual wxGDIRefData *
+    CloneGDIRefData(const wxGDIRefData *WXUNUSED(data)) const
+    {
+        wxFAIL_MSG( _T("must be implemented if used") );
+
+        return NULL;
+    }
 
     static wxGDIImageHandlerList ms_handlers;
 };