include/wx/mgl/private.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        private.h
   3 // Purpose:     Private declarations: as this header is only included by
   4 //              wxWindows itself, it may contain identifiers which don't start
   5 //              with "wx".
   6 // Author:      Vaclav Slavik
   7 // Created:     2001/04/07
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 2001 Vaclav Slavik
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_PRIVATE_H_
  14 #define _WX_PRIVATE_H_
  15
  16 #include <mgraph.hpp>
  17
  18 class WXDLLEXPORT wxBitmap;
  19
  20
  21 // ---------------------------------------------------------------------------
  22 // private variables
  23 // ---------------------------------------------------------------------------
  24
  25 extern MGLDevCtx *g_displayDC;
  26
  27 // ---------------------------------------------------------------------------
  28 // helper functions
  29 // ---------------------------------------------------------------------------
  30
  31
  32 // This function converts wxBitmap into pixpattern24_t representation
  33 // (used by wxBrush and wxPen)
  34
  35 extern void wxBitmapToPixPattern(const wxBitmap& bitmap,
  36                                  pixpattern24_t *pix, pattern_t *mask);
  37
  38
  39 // Sets current DC and restores previous one upon destruction:
  40 class wxCurrentDCSwitcher
  41 {
  42 public:
  43     wxCurrentDCSwitcher(MGLDevCtx *dc)
  44             { m_old = dc->makeCurrent(); }
  45     ~wxCurrentDCSwitcher()
  46             { MGL_makeCurrentDC(m_old); }
  47     MGLDC *m_old;
  48 };
  49
  50
  51 #endif // _WX_PRIVATE_H_