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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
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 SV_NOTE_EXPORTABLE_H
#define SV_NOTE_EXPORTABLE_H
#include "NoteData.h"
namespace sv {
class NoteExportable
{
public:
virtual ~NoteExportable() { }
/**
* Get all notes in the exportable object.
*/
virtual NoteList getNotes() const = 0;
/**
* Get notes that are active at the given frame, i.e. that start
* before or at this frame and have not ended by it.
*/
virtual NoteList getNotesActiveAt(sv_frame_t frame) const = 0;
/**
* Get notes that start within the range in frames defined by the
* given start frame and duration.
*/
virtual NoteList getNotesStartingWithin(sv_frame_t startFrame,
sv_frame_t duration) const = 0;
};
} // end namespace sv
#endif
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