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1/////////////////////////////////////////////////////////////////////////////
2// Name: wx/private/overlay.h
3// Purpose: wxOverlayImpl declaration
4// Author: Stefan Csomor
5// Modified by:
6// Created: 2006-10-20
7// RCS-ID: $Id$
8// Copyright: (c) wxWidgets team
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_PRIVATE_OVERLAY_H_
13#define _WX_PRIVATE_OVERLAY_H_
14
15#include "wx/overlay.h"
16
17#ifdef wxHAS_NATIVE_OVERLAY
18
19#if defined(__WXMAC__)
20 #include "wx/mac/carbon/private/overlay.h"
21#elif defined(__WXDFB__)
22 #include "wx/dfb/private/overlay.h"
23#else
24 #error "unknown native wxOverlay implementation"
25#endif
26
27#else // !wxHAS_NATIVE_OVERLAY
28
29#include "wx/bitmap.h"
30
31class WXDLLIMPEXP_FWD_CORE wxWindow;
32
33// generic implementation of wxOverlay
34class wxOverlayImpl
35{
36public:
37 wxOverlayImpl();
38 ~wxOverlayImpl();
39
40
41 // clears the overlay without restoring the former state
42 // to be done eg when the window content has been changed and repainted
43 void Reset();
44
45 // returns true if it has been setup
46 bool IsOk();
47
48 void Init(wxWindowDC* dc, int x , int y , int width , int height);
49
50 void BeginDrawing(wxWindowDC* dc);
51
52 void EndDrawing(wxWindowDC* dc);
53
54 void Clear(wxWindowDC* dc);
55
56private:
57 wxBitmap m_bmpSaved ;
58 int m_x ;
59 int m_y ;
60 int m_width ;
61 int m_height ;
62// this is to enable wxMOTIF and UNIV to compile....
63// currently (10 oct 06) we don't use m_window
64// ce - how do we fix this
65#if defined(__WXGTK__) || defined(__WXMSW__)
66 wxWindow* m_window ;
67#endif
68} ;
69
70#endif // wxHAS_NATIVE_OVERLAY/!wxHAS_NATIVE_OVERLAY
71
72#endif // _WX_PRIVATE_OVERLAY_H_