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, public wxMemoryDCBase
  18 {
  19 public:
  20     wxMemoryDC() { CreateCompatible(NULL); Init(); }
  21     wxMemoryDC(wxBitmap& bitmap) { CreateCompatible(NULL); Init(); SelectObject(bitmap); }
  22     wxMemoryDC(wxDC* pDC); // Create compatible DC
  23
  24 protected:
  25     // override some base class virtuals
  26     virtual void DoGetSize( int* pWidth
  27                            ,int* pHeight
  28                           ) const;
  29     virtual void DoSelect(const wxBitmap& bitmap);
  30
  31     // create DC compatible with the given one or screen if dc == NULL
  32     bool CreateCompatible(wxDC* pDC);
  33
  34     // initialize the newly created DC
  35     void Init(void);
  36 private:
  37     DECLARE_DYNAMIC_CLASS(wxMemoryDC)
  38 }; // end of CLASS wxMemoryDC
  39
  40 #endif
  41     // _WX_DCMEMORY_H_