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 __GTKDCMEMORYH__
  11 #define __GTKDCMEMORYH__
  12
  13 #include "wx/defs.h"
  14 #include "wx/dcclient.h"
  15
  16 //-----------------------------------------------------------------------------
  17 // classes
  18 //-----------------------------------------------------------------------------
  19
  20 class WXDLLIMPEXP_CORE wxMemoryDC;
  21
  22 //-----------------------------------------------------------------------------
  23 // wxMemoryDC
  24 //-----------------------------------------------------------------------------
  25
  26 class WXDLLIMPEXP_CORE wxMemoryDC : public wxWindowDC, public wxMemoryDCBase
  27 {
  28 public:
  29     wxMemoryDC() : wxWindowDC() { Init(); }
  30     wxMemoryDC(wxBitmap& bitmap) : wxWindowDC() { Init(); SelectObject(bitmap); }
  31     wxMemoryDC( wxDC *dc ); // Create compatible DC
  32     virtual ~wxMemoryDC();
  33
  34     // these get reimplemented for mono-bitmaps to behave
  35     // more like their Win32 couterparts. They now interpret
  36     // wxWHITE, wxWHITE_BRUSH and wxWHITE_PEN as drawing 0
  37     // and everything else as drawing 1.
  38     virtual void SetPen( const wxPen &pen );
  39     virtual void SetBrush( const wxBrush &brush );
  40     virtual void SetBackground( const wxBrush &brush );
  41     virtual void SetTextForeground( const wxColour &col );
  42     virtual void SetTextBackground( const wxColour &col );
  43
  44     // implementation
  45     virtual wxBitmap GetSelectedBitmap() const { return m_selected; }
  46     wxBitmap  m_selected;
  47
  48 protected:
  49     void DoGetSize( int *width, int *height ) const;
  50     virtual void DoSelect(const wxBitmap& bitmap);
  51
  52 private:
  53     void Init();
  54     virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const
  55     { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmap(*subrect); }
  56
  57     DECLARE_DYNAMIC_CLASS(wxMemoryDC)
  58 };
  59
  60 #endif
  61     // __GTKDCMEMORYH__
  62