]> git.saurik.com Git - wxWidgets.git/blob - include/wx/os2/dcmemory.h
Initialized control member pointers and checked for null pointer
[wxWidgets.git] / include / wx / os2 / dcmemory.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: dcmemory.h
3 // Purpose: wxMemoryDC class
4 // Author: David Webster
5 // Modified by:
6 // Created: 09/09/99
7 // RCS-ID: $Id$
8 // Copyright: (c) David Webster
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_DCMEMORY_H_
13 #define _WX_DCMEMORY_H_
14
15 #include "wx/dcclient.h"
16
17 class WXDLLEXPORT wxMemoryDC: public wxDC
18 {
19 public:
20 wxMemoryDC(void);
21 wxMemoryDC(wxDC* pDC); // Create compatible DC
22
23 virtual void SelectObject(const wxBitmap& rBitmap);
24 protected:
25 // override some base class virtuals
26 virtual void DoGetSize( int* pWidth
27 ,int* pHeight
28 ) const;
29 // create DC compatible with the given one or screen if dc == NULL
30 bool CreateCompatible(wxDC* pDC);
31
32 // initialize the newly created DC
33 void Init(void);
34 private:
35 DECLARE_DYNAMIC_CLASS(wxMemoryDC)
36 }; // end of CLASS wxMemoryDC
37
38 #endif
39 // _WX_DCMEMORY_H_