| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: wx/dcmemory.h |
| | 3 | // Purpose: wxMemoryDC base header |
| | 4 | // Author: Julian Smart |
| | 5 | // Modified by: |
| | 6 | // Created: |
| | 7 | // Copyright: (c) Julian Smart |
| | 8 | // RCS-ID: $Id$ |
| | 9 | // Licence: wxWindows Licence |
| | 10 | ///////////////////////////////////////////////////////////////////////////// |
| | 11 | |
| | 12 | #ifndef _WX_DCMEMORY_H_BASE_ |
| | 13 | #define _WX_DCMEMORY_H_BASE_ |
| | 14 | |
| | 15 | #include "wx/bitmap.h" |
| | 16 | |
| | 17 | // NOTE: different native implementations of wxMemoryDC will derive from |
| | 18 | // different wxDC classes (wxPaintDC, wxWindowDC, etc), so that |
| | 19 | // we cannot derive wxMemoryDCBase from wxDC and then use it as the |
| | 20 | // only base class for native impl of wxMemoryDC... |
| | 21 | class WXDLLEXPORT wxMemoryDCBase |
| | 22 | { |
| | 23 | public: |
| | 24 | wxMemoryDCBase() { } |
| | 25 | |
| | 26 | // avoid warnings about having virtual functions but non virtual dtor |
| | 27 | virtual ~wxMemoryDCBase() { } |
| | 28 | |
| | 29 | // select the given bitmap to draw on it |
| | 30 | void SelectObject(wxBitmap& bmp) |
| | 31 | { |
| | 32 | // make sure that the given wxBitmap is not sharing its data with other |
| | 33 | // wxBitmap instances as its contents will be modified by any drawing |
| | 34 | // operation done on this DC |
| | 35 | if (bmp.IsOk()) |
| | 36 | bmp.UnShare(); |
| | 37 | |
| | 38 | DoSelect(bmp); |
| | 39 | } |
| | 40 | |
| | 41 | // select the given bitmap for read-only |
| | 42 | virtual void SelectObjectAsSource(const wxBitmap& bmp) |
| | 43 | { |
| | 44 | DoSelect(bmp); |
| | 45 | } |
| | 46 | |
| | 47 | protected: |
| | 48 | virtual void DoSelect(const wxBitmap& bmp) = 0; |
| | 49 | }; |
| | 50 | |
| | 51 | #if defined(__WXPALMOS__) |
| | 52 | #include "wx/palmos/dcmemory.h" |
| | 53 | #elif defined(__WXMSW__) |
| | 54 | #include "wx/msw/dcmemory.h" |
| | 55 | #elif defined(__WXMOTIF__) |
| | 56 | #include "wx/motif/dcmemory.h" |
| | 57 | #elif defined(__WXGTK20__) |
| | 58 | #include "wx/gtk/dcmemory.h" |
| | 59 | #elif defined(__WXGTK__) |
| | 60 | #include "wx/gtk1/dcmemory.h" |
| | 61 | #elif defined(__WXX11__) |
| | 62 | #include "wx/x11/dcmemory.h" |
| | 63 | #elif defined(__WXMGL__) |
| | 64 | #include "wx/mgl/dcmemory.h" |
| | 65 | #elif defined(__WXDFB__) |
| | 66 | #include "wx/dfb/dcmemory.h" |
| | 67 | #elif defined(__WXMAC__) |
| | 68 | #include "wx/mac/dcmemory.h" |
| | 69 | #elif defined(__WXCOCOA__) |
| | 70 | #include "wx/cocoa/dcmemory.h" |
| | 71 | #elif defined(__WXPM__) |
| | 72 | #include "wx/os2/dcmemory.h" |
| | 73 | #endif |
| | 74 | |
| | 75 | #endif |
| | 76 | // _WX_DCMEMORY_H_BASE_ |
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