include/wx/cocoa/dcmemory.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/cocoa/dcmemory.h
   3 // Purpose:     wxMemoryDC class
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/03/16
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __WX_COCOA_DCMEMORY_H__
  13 #define __WX_COCOA_DCMEMORY_H__
  14
  15 #include "wx/dc.h"
  16
  17 class WXDLLEXPORT wxMemoryDC: public wxDC
  18 {
  19     DECLARE_DYNAMIC_CLASS(wxMemoryDC)
  20 public:
  21     wxMemoryDC(void);
  22     wxMemoryDC( wxDC *dc ); // Create compatible DC
  23     ~wxMemoryDC(void);
  24     virtual void SelectObject(const wxBitmap& bitmap);
  25     virtual void DoGetSize(int *width, int *height) const;
  26
  27     virtual void Clear();
  28 protected:
  29     wxBitmap m_selectedBitmap;
  30     WX_NSImage m_cocoaNSImage;
  31 // DC stack
  32     virtual bool CocoaLockFocus();
  33     virtual bool CocoaUnlockFocus();
  34 // Blitting
  35     virtual bool CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest,
  36         wxCoord width, wxCoord height, wxCoord xsrc, wxCoord ysrc,
  37         int logicalFunc, bool useMask, wxCoord xsrcMask, wxCoord ysrcMask);
  38 };
  39
  40 #endif // __WX_COCOA_DCMEMORY_H__