trimmable.h

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/*
 * Copyright (C) 2010-2015 Paul Davis <paul@linuxaudiosystems.com>
 *
 * 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, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#pragma once
 
#include "ardour/libardour_visibility.h"
 
namespace ARDOUR {
 
class LIBARDOUR_API Trimmable {
  public:
        Trimmable() {}
        virtual ~Trimmable() {}
 
        enum CanTrim {
                FrontTrimEarlier = 0x1,
                FrontTrimLater = 0x2,
                EndTrimEarlier = 0x4,
                EndTrimLater = 0x8,
                TopTrimUp = 0x10,
                TopTrimDown = 0x20,
                BottomTrimUp = 0x40,
                BottomTrimDown = 0x80
        } ;
 
        virtual CanTrim can_trim() const {
                return CanTrim (FrontTrimEarlier |
                                FrontTrimLater |
                                EndTrimEarlier |
                                EndTrimLater |
                                TopTrimUp |
                                TopTrimDown |
                                BottomTrimUp |
                                BottomTrimDown);
        }
};
 
}