include/wx/cocoa/dcmemory.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/cocoa/dcmemory.h
   3 // Purpose:     wxMemoryDCImpl class
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/03/16
   7 // Copyright:   (c) 2003 David Elliott
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef __WX_COCOA_DCMEMORY_H__
  12 #define __WX_COCOA_DCMEMORY_H__
  13
  14 #include "wx/cocoa/dc.h"
  15
  16 #include "wx/dcmemory.h"
  17
  18 class WXDLLIMPEXP_CORE wxMemoryDCImpl: public wxCocoaDCImpl
  19 {
  20     DECLARE_DYNAMIC_CLASS(wxMemoryDCImpl)
  21
  22 public:
  23     wxMemoryDCImpl(wxMemoryDC *owner)
  24     :   wxCocoaDCImpl(owner)
  25     {   Init(); }
  26     wxMemoryDCImpl(wxMemoryDC *owner, wxBitmap& bitmap)
  27     :   wxCocoaDCImpl(owner)
  28     {   Init();
  29         owner->SelectObject(bitmap);
  30     }
  31     wxMemoryDCImpl(wxMemoryDC *owner, wxDC *dc ); // Create compatible DC
  32     virtual ~wxMemoryDCImpl(void);
  33
  34     virtual void DoGetSize(int *width, int *height) const;
  35     virtual void DoSelect(const wxBitmap& bitmap);
  36
  37 protected:
  38     wxBitmap m_selectedBitmap;
  39     WX_NSImage m_cocoaNSImage;
  40 // DC stack
  41     virtual bool CocoaLockFocus();
  42     virtual bool CocoaUnlockFocus();
  43     virtual bool CocoaGetBounds(void *rectData);
  44 // Blitting
  45     virtual bool CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest,
  46         wxCoord width, wxCoord height, wxCoord xsrc, wxCoord ysrc,
  47         wxRasterOperationMode logicalFunc, bool useMask, wxCoord xsrcMask, wxCoord ysrcMask);
  48
  49 private:
  50     void Init();
  51 };
  52
  53 #endif
  54     // __WX_COCOA_DCMEMORY_H__