#include "wx/object.h" // the base class
+#include "wx/intl.h" // for wxLayoutDirection
#include "wx/cursor.h" // we have member variables of these classes
#include "wx/font.h" // so we can't do without them
#include "wx/colour.h"
#include "wx/os2/dc.h"
#endif
+#if wxUSE_GRAPHICS_CONTEXT
+ #include "wx/dcgraph.h"
+#endif
+
// ----------------------------------------------------------------------------
// helper class: you can use it to temporarily change the DC text colour and
// restore it automatically when the object goes out of scope
// ----------------------------------------------------------------------------
// creates an overlay over an existing window, allowing for manipulations like
-// rubberbanding etc. this API is not stable yet, not to be used outside wx
+// rubberbanding etc. this API is not stable yet, not to be used outside wx
// internal code
// ----------------------------------------------------------------------------
-class wxOverlayImpl ;
-class wxWindowDC ;
+class WXDLLEXPORT wxOverlayImpl;
+class WXDLLEXPORT wxWindowDC;
-class WXDLLEXPORT wxOverlay
+class WXDLLEXPORT wxOverlay
{
-public :
- wxOverlay();
+public:
+ wxOverlay();
~wxOverlay();
-
+
// clears the overlay without restoring the former state
// to be done eg when the window content has been changed and repainted
void Reset();
-
-private :
+
+private:
friend class WXDLLEXPORT wxDCOverlay;
-
+
// returns true if it has been setup
bool IsOk();
- void Init( wxWindowDC* dc, int x , int y , int width , int height );
-
- void BeginDrawing( wxWindowDC* dc);
-
- void EndDrawing( wxWindowDC* dc);
-
- void Clear( wxWindowDC* dc);
+ void Init(wxWindowDC* dc, int x , int y , int width , int height);
+
+ void BeginDrawing(wxWindowDC* dc);
+
+ void EndDrawing(wxWindowDC* dc);
+
+ void Clear(wxWindowDC* dc);
wxOverlayImpl* m_impl;
-
+
bool m_inDrawing;
-} ;
+
+
+ DECLARE_NO_COPY_CLASS(wxOverlay)
+};
class WXDLLEXPORT wxDCOverlay
{
-public :
+public:
// connects this overlay to the corresponding drawing dc, if the overlay is not initialized yet
// this call will do so
- wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc, int x , int y , int width , int height);
-
+ wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc, int x , int y , int width , int height);
+
// convenience wrapper that behaves the same using the entire area of the dc
- wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc);
+ wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc);
// removes the connection between the overlay and the dc
- virtual ~wxDCOverlay();
-
+ virtual ~wxDCOverlay();
+
// clears the layer, restoring the state at the last init
void Clear();
-private :
+
+private:
void Init(wxWindowDC *dc, int x , int y , int width , int height);
wxOverlay& m_overlay;
wxWindowDC* m_dc;
-} ;
-#endif
- // _WX_DC_H_BASE_
+
+ DECLARE_NO_COPY_CLASS(wxDCOverlay)
+};
+
+#endif // _WX_DC_H_BASE_