include/wx/palmos/dcmemory.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/palmos/dcmemory.h
   3 // Purpose:     wxMemoryDC class
   4 // Author:      William Osborne - minimal working wxPalmOS port
   5 // Modified by:
   6 // Created:     10/13/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) William Osborne
   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() { Init(); }
  21     wxMemoryDC(wxBitmap& bitmap) { Init(); SelectObject(bitmap); }
  22     wxMemoryDC(wxDC *dc); // Create compatible DC
  23
  24 protected:
  25     // override some base class virtuals
  26     virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
  27     virtual void DoGetSize(int* width, int* height) const;
  28     virtual void DoSelect(const wxBitmap& bitmap);
  29
  30     // create DC compatible with the given one or screen if dc == NULL
  31     bool CreateCompatible(wxDC *dc);
  32
  33     // initialize the newly created DC
  34     void Init();
  35
  36 private:
  37     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMemoryDC)
  38 };
  39
  40 #endif
  41     // _WX_DCMEMORY_H_