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/dcclient.h"
  14
  15 //-----------------------------------------------------------------------------
  16 // wxMemoryDC
  17 //-----------------------------------------------------------------------------
  18
  19
  20 #if wxUSE_NEW_DC
  21 class WXDLLIMPEXP_CORE wxGTKMemoryImplDC : public wxGTKWindowImplDC, public wxMemoryImplDCBase
  22 #else
  23 #define wxGTKMemoryImplDC wxMemoryDC
  24 class WXDLLIMPEXP_CORE wxMemoryDC : public wxWindowDC, public wxMemoryDCBase
  25 #endif
  26 {
  27 public:
  28
  29 #if wxUSE_NEW_DC
  30     wxGTKMemoryImplDC( wxMemoryDC *owner );
  31     wxGTKMemoryImplDC( wxMemoryDC *owner, wxBitmap& bitmap );
  32     wxGTKMemoryImplDC( wxMemoryDC *owner, wxDC *dc );
  33 #else
  34     wxMemoryDC();
  35     wxMemoryDC(wxBitmap& bitmap);
  36     wxMemoryDC( wxDC *dc );
  37 #endif
  38
  39     virtual ~wxGTKMemoryImplDC();
  40
  41     // these get reimplemented for mono-bitmaps to behave
  42     // more like their Win32 couterparts. They now interpret
  43     // wxWHITE, wxWHITE_BRUSH and wxWHITE_PEN as drawing 0
  44     // and everything else as drawing 1.
  45     virtual void SetPen( const wxPen &pen );
  46     virtual void SetBrush( const wxBrush &brush );
  47     virtual void SetBackground( const wxBrush &brush );
  48     virtual void SetTextForeground( const wxColour &col );
  49     virtual void SetTextBackground( const wxColour &col );
  50
  51     // implementation
  52     wxBitmap GetSelectedBitmap() const { return m_selected; }
  53
  54 protected:
  55     // overridden from wxImplDC
  56     virtual void DoGetSize( int *width, int *height ) const;
  57     virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const;
  58
  59     // overridden from wxMemoryImplDCBase
  60     virtual void DoSelect(const wxBitmap& bitmap);
  61     virtual const wxBitmap& DoGetSelectedBitmap() const;
  62     virtual wxBitmap& DoGetSelectedBitmap();
  63
  64     wxBitmap  m_selected;
  65
  66 private:
  67     void Init();
  68
  69     DECLARE_ABSTRACT_CLASS(wxGTKMemoryImplDC)
  70 };
  71
  72 #endif // _WX_GTK_DCMEMORY_H_