pixmapext.h

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// -*- C++ -*-
/* gdkglextmm - C++ Wrapper for GdkGLExt
 * Copyright (C) 2002-2003  Naofumi Yasufuku
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA.
 */

#ifndef _GDKMM_GL_PIXMAPEXT_H
#define _GDKMM_GL_PIXMAPEXT_H

#include <glibmm.h>

#include <gdkmm/gl/defs.h>
#include <gdkmm/gl/pixmap.h>

namespace Gdk
{
  namespace GL
  {

    class PixmapExtProxy
    {
    private:
      PixmapExtProxy(const Glib::RefPtr<Gdk::Pixmap>& pixmap)
        : pixmap_(pixmap)
      {}

    private:
      PixmapExtProxy(const PixmapExtProxy&);
      PixmapExtProxy& operator=(const PixmapExtProxy&);

    public:

      Glib::RefPtr<Pixmap> set_gl_capability(const Glib::RefPtr<const Config>& glconfig,
                                             const int* attrib_list = 0);

      void unset_gl_capability();

      bool is_gl_capable() const;

      Glib::RefPtr<Pixmap> get_gl_pixmap() const;

      Glib::RefPtr<Gdk::GL::Drawable> get_gl_drawable() const;

    private:
      const Glib::RefPtr<Gdk::Pixmap>& pixmap_;

      friend PixmapExtProxy ext(const Glib::RefPtr<Gdk::Pixmap>&);
      friend const PixmapExtProxy ext(const Glib::RefPtr<const Gdk::Pixmap>&);
    };

    inline
    PixmapExtProxy ext(const Glib::RefPtr<Gdk::Pixmap>& pixmap)
    { return PixmapExtProxy(pixmap); }

    inline
    const PixmapExtProxy ext(const Glib::RefPtr<const Gdk::Pixmap>& pixmap)
    { return PixmapExtProxy(reinterpret_cast<const Glib::RefPtr<Gdk::Pixmap>&>(pixmap)); }

  } // namespace GL
} // namespace Gdk

#endif // _GDKMM_GL_PIXMAPEXT_H

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