Chris@1643: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@1643: 
Chris@1643: /*
Chris@1643:     Sonic Visualiser
Chris@1643:     An audio file viewer and annotation editor.
Chris@1643:     Centre for Digital Music, Queen Mary, University of London.
Chris@1643:     
Chris@1643:     This program is free software; you can redistribute it and/or
Chris@1643:     modify it under the terms of the GNU General Public License as
Chris@1643:     published by the Free Software Foundation; either version 2 of the
Chris@1643:     License, or (at your option) any later version.  See the file
Chris@1643:     COPYING included with this distribution for more information.
Chris@1643: */
Chris@1643: 
Chris@1643: #ifndef SV_NOTE_EXPORTABLE_H
Chris@1643: #define SV_NOTE_EXPORTABLE_H
Chris@1643: 
Chris@1643: #include "NoteData.h"
Chris@1643: 
Chris@1643: class NoteExportable
Chris@1643: {
Chris@1643: public:
Chris@1643:     /**
Chris@1643:      * Get all notes in the exportable object.
Chris@1643:      */
Chris@1643:     virtual NoteList getNotes() const = 0;
Chris@1643: 
Chris@1643:     /**
Chris@1643:      * Get notes that are active at the given frame, i.e. that start
Chris@1643:      * before or at this frame and have not ended by it.
Chris@1643:      */
Chris@1643:     virtual NoteList getNotesActiveAt(sv_frame_t frame) const = 0;
Chris@1643: 
Chris@1643:     /**
Chris@1643:      * Get notes that start within the range in frames defined by the
Chris@1643:      * given start frame and duration.
Chris@1643:      */
Chris@1643:     virtual NoteList getNotesStartingWithin(sv_frame_t startFrame,
Chris@1643:                                             sv_frame_t duration) const = 0;
Chris@1643: };
Chris@1643: 
Chris@1643: #endif