added more files (unchanged) from wxUniv branch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10674 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mgl/private.h

@@ -0,0 +1,51 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        private.h
+// Purpose:     Private declarations: as this header is only included by
+//              wxWindows itself, it may contain identifiers which don't start
+//              with "wx".
+// Author:      Vaclav Slavik
+// Created:     2001/04/07
+// RCS-ID:      $Id$
+// Copyright:   (c) 2001 Vaclav Slavik
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_PRIVATE_H_
+#define _WX_PRIVATE_H_
+
+#include <mgraph.hpp>
+
+class WXDLLEXPORT wxBitmap;
+
+
+// ---------------------------------------------------------------------------
+// private variables
+// ---------------------------------------------------------------------------
+
+extern MGLDevCtx *g_displayDC;
+
+// ---------------------------------------------------------------------------
+// helper functions
+// ---------------------------------------------------------------------------
+
+
+// This function converts wxBitmap into pixpattern24_t representation
+// (used by wxBrush and wxPen)
+
+extern void wxBitmapToPixPattern(const wxBitmap& bitmap, 
+                                 pixpattern24_t *pix, pattern_t *mask);
+                       
+
+// Sets current DC and restores previous one upon destruction:
+class wxCurrentDCSwitcher
+{
+public:
+    wxCurrentDCSwitcher(MGLDevCtx *dc)
+            { m_old = dc->makeCurrent(); }
+    ~wxCurrentDCSwitcher()
+            { MGL_makeCurrentDC(m_old); }
+    MGLDC *m_old;
+};
+
+
+#endif // _WX_PRIVATE_H_