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/////////////////////////////////////////////////////////////////////////////
// Name: wx/dfb/private/overlay.h
// Purpose: wxOverlayImpl declaration
// Author: Vaclav Slavik
// Created: 2006-10-20
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DFB_PRIVATE_OVERLAY_H_
#define _WX_DFB_PRIVATE_OVERLAY_H_
#include "wx/dfb/dfbptr.h"
#include "wx/gdicmn.h"
wxDFB_DECLARE_INTERFACE(IDirectFBSurface);
class WXDLLIMPEXP_FWD_CORE wxWindow;
class WXDLLIMPEXP_FWD_CORE wxDC;
class wxOverlayImpl
{
public:
wxOverlayImpl();
~wxOverlayImpl();
void Reset();
bool IsOk();
void Init(wxDC* dc, int x , int y , int width , int height);
void BeginDrawing(wxDC* dc);
void EndDrawing(wxDC* dc);
void Clear(wxDC* dc);
// wxDFB specific methods:
bool IsEmpty() const { return m_isEmpty; }
wxRect GetRect() const { return m_rect; }
wxIDirectFBSurfacePtr GetDirectFBSurface() const { return m_surface; }
public:
// window the overlay is associated with
wxWindow *m_window;
// rectangle covered by the overlay, in m_window's window coordinates
wxRect m_rect;
// surface of the overlay, same size as m_rect
wxIDirectFBSurfacePtr m_surface;
// this flag is set to true if nothing was drawn on the overlay (either
// initially or Clear() was called)
bool m_isEmpty;
};
#endif // _WX_DFB_PRIVATE_OVERLAY_H_
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