include/wx/osx/dcmemory.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/osx/dcmemory.h
   3 // Purpose:     wxMemoryDC class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // Copyright:   (c) Stefan Csomor
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_DCMEMORY_H_
  12 #define _WX_DCMEMORY_H_
  13
  14 #include "wx/osx/dcclient.h"
  15
  16 class WXDLLIMPEXP_CORE wxMemoryDCImpl: public wxPaintDCImpl
  17 {
  18 public:
  19     wxMemoryDCImpl( wxMemoryDC *owner );
  20     wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap );
  21     wxMemoryDCImpl( wxMemoryDC *owner, wxDC *dc );
  22
  23     virtual ~wxMemoryDCImpl();
  24
  25     virtual void DoGetSize( int *width, int *height ) const;
  26     virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const
  27        { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmap(*subrect); }
  28     virtual void DoSelect(const wxBitmap& bitmap);
  29
  30     virtual const wxBitmap& GetSelectedBitmap() const
  31         { return m_selected; }
  32     virtual wxBitmap& GetSelectedBitmap()
  33         { return m_selected; }
  34
  35 private:
  36     void Init();
  37
  38     wxBitmap  m_selected;
  39
  40     DECLARE_CLASS(wxMemoryDCImpl)
  41     wxDECLARE_NO_COPY_CLASS(wxMemoryDCImpl);
  42 };
  43
  44 #endif
  45     // _WX_DCMEMORY_H_