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/////////////////////////////////////////////////////////////////////////////
// Name: wx/private/overlay.h
// Purpose: wxOverlayImpl declaration
// Author: Stefan Csomor
// Modified by:
// Created: 2006-10-20
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PRIVATE_OVERLAY_H_
#define _WX_PRIVATE_OVERLAY_H_
#include "wx/overlay.h"
#ifdef wxHAS_NATIVE_OVERLAY
#if defined(__WXMAC__)
#include "wx/osx/carbon/private/overlay.h"
#elif defined(__WXDFB__)
#include "wx/dfb/private/overlay.h"
#else
#error "unknown native wxOverlay implementation"
#endif
#else // !wxHAS_NATIVE_OVERLAY
#include "wx/bitmap.h"
class WXDLLIMPEXP_FWD_CORE wxWindow;
// generic implementation of wxOverlay
class wxOverlayImpl
{
public:
wxOverlayImpl();
~wxOverlayImpl();
// clears the overlay without restoring the former state
// to be done eg when the window content has been changed and repainted
void Reset();
// returns true if it has been setup
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);
private:
wxBitmap m_bmpSaved ;
int m_x ;
int m_y ;
int m_width ;
int m_height ;
wxWindow* m_window ;
};
#endif // wxHAS_NATIVE_OVERLAY/!wxHAS_NATIVE_OVERLAY
#endif // _WX_PRIVATE_OVERLAY_H_
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