0c1a66dc5d
Use a common base class for wxOverlay implementations This will allow for the possibility of choosing the implementation dynamically at runtime.
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/dfb/private/overlay.h
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// Purpose: wxOverlayImpl declaration
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// Author: Vaclav Slavik
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// Created: 2006-10-20
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// Copyright: (c) wxWidgets team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DFB_PRIVATE_OVERLAY_H_
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#define _WX_DFB_PRIVATE_OVERLAY_H_
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#include "wx/dfb/dfbptr.h"
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#include "wx/gdicmn.h"
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#include "wx/private/overlay.h"
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wxDFB_DECLARE_INTERFACE(IDirectFBSurface);
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class WXDLLIMPEXP_FWD_CORE wxWindow;
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class WXDLLIMPEXP_FWD_CORE wxDC;
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class wxOverlayImpl: public wxOverlay::Impl
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{
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public:
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wxOverlayImpl();
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~wxOverlayImpl();
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virtual void Reset() wxOVERRIDE;
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virtual bool IsOk() wxOVERRIDE;
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virtual void Init(wxDC* dc, int x, int y, int width, int height) wxOVERRIDE;
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virtual void BeginDrawing(wxDC* dc) wxOVERRIDE;
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virtual void EndDrawing(wxDC* dc) wxOVERRIDE;
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virtual void Clear(wxDC* dc) wxOVERRIDE;
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// wxDFB specific methods:
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bool IsEmpty() const { return m_isEmpty; }
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wxRect GetRect() const { return m_rect; }
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wxIDirectFBSurfacePtr GetDirectFBSurface() const { return m_surface; }
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public:
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// window the overlay is associated with
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wxWindow *m_window;
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// rectangle covered by the overlay, in m_window's window coordinates
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wxRect m_rect;
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// surface of the overlay, same size as m_rect
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wxIDirectFBSurfacePtr m_surface;
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// this flag is set to true if nothing was drawn on the overlay (either
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// initially or Clear() was called)
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bool m_isEmpty;
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};
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#endif // _WX_DFB_PRIVATE_OVERLAY_H_
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