| 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 | |
| 31 | class WXDLLIMPEXP_FWD_CORE wxWindow; |
| 32 | |
| 33 | // generic implementation of wxOverlay |
| 34 | class wxOverlayImpl |
| 35 | { |
| 36 | public: |
| 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(wxDC* dc, int x , int y , int width , int height); |
| 49 | |
| 50 | void BeginDrawing(wxDC* dc); |
| 51 | |
| 52 | void EndDrawing(wxDC* dc); |
| 53 | |
| 54 | void Clear(wxDC* dc); |
| 55 | |
| 56 | private: |
| 57 | wxBitmap m_bmpSaved ; |
| 58 | int m_x ; |
| 59 | int m_y ; |
| 60 | int m_width ; |
| 61 | int m_height ; |
| 62 | wxWindow* m_window ; |
| 63 | }; |
| 64 | |
| 65 | #endif // wxHAS_NATIVE_OVERLAY/!wxHAS_NATIVE_OVERLAY |
| 66 | |
| 67 | #endif // _WX_PRIVATE_OVERLAY_H_ |