include/wx/mgl/private.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        private.h
   3 // Purpose:     Private declarations: as this header is only included by
   4 //              wxWidgets 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_MGL_PRIVATE_H_
  14 #define _WX_MGL_PRIVATE_H_
  15
  16 #include "wx/ioswrap.h"
  17 #include <mgraph.hpp>
  18 #include "pmapi.h"
  19
  20 class WXDLLEXPORT wxBitmap;
  21
  22
  23 // ---------------------------------------------------------------------------
  24 // private variables
  25 // ---------------------------------------------------------------------------
  26
  27 extern MGLDevCtx *g_displayDC;
  28 extern winmng_t  *g_winMng;
  29
  30 // ---------------------------------------------------------------------------
  31 // helper functions
  32 // ---------------------------------------------------------------------------
  33
  34
  35 // This function converts wxBitmap into pixpattern24_t representation
  36 // (used by wxBrush and wxPen)
  37
  38 extern void wxBitmapToPixPattern(const wxBitmap& bitmap,
  39                                  pixpattern24_t *pix, pattern_t *mask);
  40
  41
  42 // Sets current DC and restores previous one upon destruction:
  43 class wxCurrentDCSwitcher
  44 {
  45 public:
  46     wxCurrentDCSwitcher(MGLDevCtx *dc)
  47             { m_old = dc->makeCurrent(); }
  48     ~wxCurrentDCSwitcher()
  49             { MGL_makeCurrentDC(m_old); }
  50     MGLDC *m_old;
  51 };
  52
  53
  54 #endif // _WX_MGL_PRIVATE_H_