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[wxWidgets.git] / include / wx / private / overlay.h
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 #if 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 // generic implementation of wxOverlay
30 class wxOverlayImpl
31 {
32 public:
33 wxOverlayImpl();
34 ~wxOverlayImpl();
35
36
37 // clears the overlay without restoring the former state
38 // to be done eg when the window content has been changed and repainted
39 void Reset();
40
41 // returns true if it has been setup
42 bool IsOk();
43
44 void Init(wxWindowDC* dc, int x , int y , int width , int height);
45
46 void BeginDrawing(wxWindowDC* dc);
47
48 void EndDrawing(wxWindowDC* dc);
49
50 void Clear(wxWindowDC* dc);
51
52 private:
53 wxBitmap m_bmpSaved ;
54 int m_x ;
55 int m_y ;
56 int m_width ;
57 int m_height ;
58 // this is to enable wxMOTIF and UNIV to compile....
59 // currently (10 oct 06) we don't use m_window
60 // ce - how do we fix this
61 #if defined(__WXGTK__) || defined(__WXMSW__)
62 wxWindow* m_window ;
63 #endif
64 } ;
65
66 #endif // wxHAS_NATIVE_OVERLAY/!wxHAS_NATIVE_OVERLAY
67
68 #endif // _WX_PRIVATE_OVERLAY_H_