include/wx/mac/carbon/dcmemory.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcmemory.h
   3 // Purpose:     wxMemoryDC class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   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 wxPaintDC, public wxMemoryDCBase
  18 {
  19   DECLARE_DYNAMIC_CLASS(wxMemoryDC)
  20
  21 public:
  22     wxMemoryDC() { Init(); }
  23     wxMemoryDC(wxBitmap& bitmap) { Init(); SelectObject(bitmap); }
  24     wxMemoryDC( wxDC *dc ); // Create compatible DC
  25     virtual ~wxMemoryDC(void);
  26
  27     const wxBitmap& GetSelectedBitmap() const { return m_selected; }
  28     wxBitmap    GetSelectedBitmap() { return m_selected; }
  29
  30         wxBitmap    GetSelectedObject() { return GetSelectedBitmap() ; }
  31
  32 protected:
  33     virtual void DoGetSize( int *width, int *height ) const;
  34     virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const
  35     { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmap(*subrect); }
  36     virtual void DoSelect(const wxBitmap& bitmap);
  37
  38 private:
  39     void Init();
  40
  41     wxBitmap  m_selected;
  42 };
  43
  44 #endif
  45     // _WX_DCMEMORY_H_