include/wx/gtk/dcmemory.h

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