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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/msw/dcmemory.h | |
3 | // Purpose: wxMemoryDC class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 01/02/97 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifndef _WX_DCMEMORY_H_ | |
13 | #define _WX_DCMEMORY_H_ | |
14 | ||
15 | #include "wx/dcmemory.h" | |
16 | #include "wx/msw/dc.h" | |
17 | ||
18 | class WXDLLIMPEXP_CORE wxMemoryDCImpl: public wxMSWDCImpl | |
19 | { | |
20 | public: | |
21 | wxMemoryDCImpl( wxMemoryDC *owner ); | |
22 | wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap ); | |
23 | wxMemoryDCImpl( wxMemoryDC *owner, wxDC *dc ); // Create compatible DC | |
24 | ||
25 | // override some base class virtuals | |
26 | virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height); | |
27 | virtual void DoGetSize(int* width, int* height) const; | |
28 | virtual void DoSelect(const wxBitmap& bitmap); | |
29 | ||
30 | virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const | |
31 | { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmapOfHDC(*subrect, GetHDC() );} | |
32 | ||
33 | protected: | |
34 | // create DC compatible with the given one or screen if dc == NULL | |
35 | bool CreateCompatible(wxDC *dc); | |
36 | ||
37 | // initialize the newly created DC | |
38 | void Init(); | |
39 | ||
40 | DECLARE_CLASS(wxMemoryDCImpl) | |
41 | DECLARE_NO_COPY_CLASS(wxMemoryDCImpl) | |
42 | }; | |
43 | ||
44 | #endif | |
45 | // _WX_DCMEMORY_H_ |