/*
 * This program source code file is part of KICAD, a free EDA CAD application.
 *
 * Copyright (C) 2011 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
 * Copyright (C) 2011 Kicad Developers, see change_log.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#ifndef SCH_CANVAS_H_
#define SCH_CANVAS_H_

#include <gal/opengl/opengl_gal.h>


namespace SCH {

class PART;

class CANVAS : public OPENGL_GAL
{

protected:
    PART*   part;           ///< which PART to draw


public:
    CANVAS( wxWindow* aParent );

    /**
     * Function Paint (overloaded)
     * redraws the entire window, overloads OPENGL_GAL::Paint()
     */
    void Paint();

    /**
     * Function SetPart
     * sets the PART to draw, returns the previous PART.
     */
    PART*   SetPart( PART* aPart )
    {
        PART* ret = part;
        part = aPart;
        return ret;
    }
};


} // namespace SCH

#endif  // SCH_PART_H_

