include/wx/gtk/dcmemory.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcmemory.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_GTK_DCMEMORY_H_
  11 #define _WX_GTK_DCMEMORY_H_
  12
  13 #include "wx/dcmemory.h"
  14 #include "wx/gtk/dcclient.h"
  15
  16 //-----------------------------------------------------------------------------
  17 // wxMemoryDCImpl
  18 //-----------------------------------------------------------------------------
  19
  20 class WXDLLIMPEXP_CORE wxMemoryDCImpl : public wxWindowDCImpl
  21 {
  22 public:
  23     wxMemoryDCImpl( wxMemoryDC *owner );
  24     wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap );
  25     wxMemoryDCImpl( wxMemoryDC *owner, wxDC *dc );
  26
  27     virtual ~wxMemoryDCImpl();
  28
  29 #if wxUSE_GRAPHICS_CONTEXT
  30     virtual wxGraphicsContext* CreateGraphicsContext();
  31 #endif
  32
  33     // these get reimplemented for mono-bitmaps to behave
  34     // more like their Win32 couterparts. They now interpret
  35     // wxWHITE, wxWHITE_BRUSH and wxWHITE_PEN as drawing 0
  36     // and everything else as drawing 1.
  37     virtual void SetPen( const wxPen &pen );
  38     virtual void SetBrush( const wxBrush &brush );
  39     virtual void SetBackground( const wxBrush &brush );
  40     virtual void SetTextForeground( const wxColour &col );
  41     virtual void SetTextBackground( const wxColour &col );
  42
  43     // overridden from wxDCImpl
  44     virtual void DoGetSize( int *width, int *height ) const;
  45     virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const;
  46
  47     // overridden for wxMemoryDC Impl
  48     virtual void DoSelect(const wxBitmap& bitmap);
  49
  50     virtual const wxBitmap& GetSelectedBitmap() const;
  51     virtual wxBitmap& GetSelectedBitmap();
  52
  53 private:
  54     wxBitmap  m_selected;
  55
  56     void Init();
  57
  58     DECLARE_ABSTRACT_CLASS(wxMemoryDCImpl)
  59 };
  60
  61 #endif
  62     // _WX_GTK_DCMEMORY_H_
  63