mobject/session/clip.hpp

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/*
  CLIP.hpp  -  a Media Clip

  Copyright (C)         Lumiera.org
    2008,               Hermann Vosseler <Ichthyostega@web.de>

  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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/


#ifndef STEAM_MOBJECT_SESSION_CLIP_H
#define STEAM_MOBJECT_SESSION_CLIP_H

#include "steam/mobject/session/abstractmo.hpp"
#include "lib/time/timevalue.hpp"
#include "lib/p.hpp"


namespace steam {
namespace asset {
  class Media;
  class Clip;
}

namespace mobject {
namespace session {
  
  using asset::Media;
  using lib::time::TimeVar;
  
  class Clip;
  
  using PMedia = lib::P<Media>;
  using PClipAsset = lib::P<asset::Clip>;
  
  using PClip = Placement<Clip>;
  
  
  class Clip
    : public AbstractMO
    {
      string
      initShortID()  const
        {
          return buildShortID("Clip");
        }
      
      void setupLength();
      
      
      
    protected:
      TimeVar start_;
      
      const Media & mediaDef_;
      const asset::Clip & clipDef_;
      
      Clip (const asset::Clip&, const Media&);
      friend class MObjectFactory;
      
      
    public:
      bool isValid()  const;
      
      PMedia getMedia ()  const;
      
      PClipAsset findClipAsset ()  const;
      
      DEFINE_PROCESSABLE_BY (builder::BuilderTool);
      
    };
  
  
  
  
}}} // namespace steam::mobject::session
#endif