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) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_PRIVATE_H_
  14 #define _WX_PRIVATE_H_
  15
  16 #include <mgraph.hpp>
  17 #include "pmapi.h"
  18
  19 class WXDLLEXPORT wxBitmap;
  20
  21
  22 // ---------------------------------------------------------------------------
  23 // private variables
  24 // ---------------------------------------------------------------------------
  25
  26 extern MGLDevCtx *g_displayDC;
  27 extern winmng_t  *g_winMng;
  28
  29 // ---------------------------------------------------------------------------
  30 // helper functions
  31 // ---------------------------------------------------------------------------
  32
  33
  34 // This function converts wxBitmap into pixpattern24_t representation
  35 // (used by wxBrush and wxPen)
  36
  37 extern void wxBitmapToPixPattern(const wxBitmap& bitmap,
  38                                  pixpattern24_t *pix, pattern_t *mask);
  39
  40
  41 // Sets current DC and restores previous one upon destruction:
  42 class wxCurrentDCSwitcher
  43 {
  44 public:
  45     wxCurrentDCSwitcher(MGLDevCtx *dc)
  46             { m_old = dc->makeCurrent(); }
  47     ~wxCurrentDCSwitcher()
  48             { MGL_makeCurrentDC(m_old); }
  49     MGLDC *m_old;
  50 };
  51
  52
  53 #endif // _WX_PRIVATE_H_