#include "wx/dcclient.h"
-class WXDLLEXPORT wxMemoryDC: public wxDC
+class WXDLLEXPORT wxMemoryDC: public wxDC, public wxMemoryDCBase
{
- DECLARE_DYNAMIC_CLASS(wxMemoryDC)
-
public:
- wxMemoryDC(void);
+ wxMemoryDC() { CreateCompatible(NULL); Init(); }
+ wxMemoryDC(wxBitmap& bitmap) { CreateCompatible(NULL); Init(); SelectObject(bitmap); }
wxMemoryDC(wxDC* pDC); // Create compatible DC
- ~wxMemoryDC(void);
- virtual void SelectObject(const wxBitmap& rBitmap);
+protected:
+ // override some base class virtuals
virtual void DoGetSize( int* pWidth
,int* pHeight
) const;
+ virtual void DoSelect(const wxBitmap& bitmap);
+
+ // create DC compatible with the given one or screen if dc == NULL
+ bool CreateCompatible(wxDC* pDC);
+
+ // initialize the newly created DC
+ void Init(void);
+private:
+ DECLARE_DYNAMIC_CLASS(wxMemoryDC)
}; // end of CLASS wxMemoryDC
#endif