lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 Chris Cannam.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #include "NoteModel.h"
lbajardsilogic@0: 
lbajardsilogic@0: NoteModel::PointList
lbajardsilogic@0: NoteModel::getPoints(long start, long end) const
lbajardsilogic@0: {
lbajardsilogic@0:     if (start > end) return PointList();
lbajardsilogic@0:     QMutexLocker locker(&m_mutex);
lbajardsilogic@0: 
lbajardsilogic@0:     Note endPoint(end);
lbajardsilogic@0:     
lbajardsilogic@0:     PointListConstIterator endItr = m_points.upper_bound(endPoint);
lbajardsilogic@0: 
lbajardsilogic@0:     if (endItr != m_points.end()) ++endItr;
lbajardsilogic@0:     if (endItr != m_points.end()) ++endItr;
lbajardsilogic@0: 
lbajardsilogic@0:     PointList rv;
lbajardsilogic@0: 
lbajardsilogic@0:     for (PointListConstIterator i = endItr; i != m_points.begin(); ) {
lbajardsilogic@0:         --i;
lbajardsilogic@0:         if (i->frame < start) {
lbajardsilogic@0:             if (i->frame + long(i->duration) >= start) {
lbajardsilogic@0:                 rv.insert(*i);
lbajardsilogic@0:             }
lbajardsilogic@0:         } else if (i->frame <= end) {
lbajardsilogic@0:             rv.insert(*i);
lbajardsilogic@0:         }
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     return rv;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: NoteModel::PointList
lbajardsilogic@0: NoteModel::getPoints(long frame) const
lbajardsilogic@0: {
lbajardsilogic@0:     QMutexLocker locker(&m_mutex);
lbajardsilogic@0: 
lbajardsilogic@0:     if (m_resolution == 0) return PointList();
lbajardsilogic@0: 
lbajardsilogic@0:     long start = (frame / m_resolution) * m_resolution;
lbajardsilogic@0:     long end = start + m_resolution;
lbajardsilogic@0: 
lbajardsilogic@0:     Note endPoint(end);
lbajardsilogic@0:     
lbajardsilogic@0:     PointListConstIterator endItr = m_points.upper_bound(endPoint);
lbajardsilogic@0: 
lbajardsilogic@0:     PointList rv;
lbajardsilogic@0: 
lbajardsilogic@0:     for (PointListConstIterator i = endItr; i != m_points.begin(); ) {
lbajardsilogic@0:         --i;
lbajardsilogic@0:         if (i->frame < start) {
lbajardsilogic@0:             if (i->frame + long(i->duration) >= start) {
lbajardsilogic@0:                 rv.insert(*i);
lbajardsilogic@0:             }
lbajardsilogic@0:         } else if (i->frame <= end) {
lbajardsilogic@0:             rv.insert(*i);
lbajardsilogic@0:         }
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     return rv;
lbajardsilogic@0: }