Chris@147: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@147: 
Chris@147: /*
Chris@147:     Sonic Visualiser
Chris@147:     An audio file viewer and annotation editor.
Chris@147:     Centre for Digital Music, Queen Mary, University of London.
Chris@147:     This file copyright 2006 Chris Cannam.
Chris@147:     
Chris@147:     This program is free software; you can redistribute it and/or
Chris@147:     modify it under the terms of the GNU General Public License as
Chris@147:     published by the Free Software Foundation; either version 2 of the
Chris@147:     License, or (at your option) any later version.  See the file
Chris@147:     COPYING included with this distribution for more information.
Chris@147: */
Chris@147: 
Chris@147: #include "NoteModel.h"
Chris@147: 
Chris@147: NoteModel::PointList
Chris@147: NoteModel::getPoints(long start, long end) const
Chris@147: {
Chris@147:     if (start > end) return PointList();
Chris@147:     QMutexLocker locker(&m_mutex);
Chris@147: 
Chris@147:     Note endPoint(end);
Chris@147:     
Chris@147:     PointListIterator endItr = m_points.upper_bound(endPoint);
Chris@147: 
Chris@147:     if (endItr != m_points.end()) ++endItr;
Chris@147:     if (endItr != m_points.end()) ++endItr;
Chris@147: 
Chris@147:     PointList rv;
Chris@147: 
Chris@147:     for (PointListIterator i = endItr; i != m_points.begin(); ) {
Chris@147:         --i;
Chris@147:         if (i->frame < start) {
Chris@259:             if (i->frame + long(i->duration) >= start) {
Chris@147:                 rv.insert(*i);
Chris@147:             }
Chris@147:         } else if (i->frame <= end) {
Chris@147:             rv.insert(*i);
Chris@147:         }
Chris@147:     }
Chris@147: 
Chris@147:     return rv;
Chris@147: }
Chris@147: 
Chris@147: NoteModel::PointList
Chris@147: NoteModel::getPoints(long frame) const
Chris@147: {
Chris@147:     QMutexLocker locker(&m_mutex);
Chris@147: 
Chris@147:     if (m_resolution == 0) return PointList();
Chris@147: 
Chris@147:     long start = (frame / m_resolution) * m_resolution;
Chris@147:     long end = start + m_resolution;
Chris@147: 
Chris@147:     Note endPoint(end);
Chris@147:     
Chris@147:     PointListIterator endItr = m_points.upper_bound(endPoint);
Chris@147: 
Chris@147:     PointList rv;
Chris@147: 
Chris@147:     for (PointListIterator i = endItr; i != m_points.begin(); ) {
Chris@147:         --i;
Chris@147:         if (i->frame < start) {
Chris@259:             if (i->frame + long(i->duration) >= start) {
Chris@147:                 rv.insert(*i);
Chris@147:             }
Chris@147:         } else if (i->frame <= end) {
Chris@147:             rv.insert(*i);
Chris@147:         }
Chris@147:     }
Chris@147: 
Chris@147:     return rv;
Chris@147: }