notationchord.h

LINUX下的混音软件

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */

/*
    Rosegarden
    A MIDI and audio sequencer and musical notation editor.

    This program is Copyright 2000-2007
        Guillaume Laurent   <[e-mail]>,
        Chris Cannam        <[e-mail]>,
        Richard Bown        <[e-mail]>

    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
    Bown to claim authorship of this work have been asserted.

    Other copyrights also apply to some parts of this work.  Please
    see the AUTHORS file and individual file headers for details.

    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.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _RG_NOTATIONCHORD_H_
#define _RG_NOTATIONCHORD_H_

#include "base/NotationTypes.h"
#include "base/Sets.h"
#include "NotationElement.h"

class Iterator;


namespace Rosegarden
{

class Quantizer;
class NotationProperties;


class NotationChord : public GenericChord<NotationElement,
                                          NotationElementList,
                                          true>
{
public:
    NotationChord(NotationElementList &c,
                  NotationElementList::iterator i,
                  const Quantizer *quantizer,
                  const NotationProperties &properties,
                  const Clef &clef = Clef::DefaultClef,
                  const Key &key = Key::DefaultKey);

    virtual ~NotationChord() { }

    virtual int getHighestNoteHeight() const {
        return getHeight(getHighestNote());
    }
    virtual int getLowestNoteHeight() const {
        return getHeight(getLowestNote());
    }

    virtual bool hasStem() const;
    virtual bool hasStemUp() const;

    virtual bool hasNoteHeadShifted() const;
    virtual bool isNoteHeadShifted(const NotationElementList::iterator &itr)
        const;

    void applyAccidentalShiftProperties();

    virtual int getMaxAccidentalShift(bool &extra) const;
    virtual int getAccidentalShift(const NotationElementList::iterator &itr,
                                   bool &extra) const;

protected:
    const NotationProperties &m_properties;
    Clef m_clef;
    Key m_key;


    int getHeight(const Iterator&) const;
};



}

#endif