Mercurial > hg > svcore
diff data/model/NoteModel.cpp @ 147:3a13b0d4934e
* Reorganising code base. This revision will not compile.
author | Chris Cannam |
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date | Mon, 31 Jul 2006 11:44:37 +0000 |
parents | |
children | dc46851837d6 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/data/model/NoteModel.cpp Mon Jul 31 11:44:37 2006 +0000 @@ -0,0 +1,75 @@ +/* -*- 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 file copyright 2006 Chris Cannam. + + 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. +*/ + +#include "NoteModel.h" + +NoteModel::PointList +NoteModel::getPoints(long start, long end) const +{ + if (start > end) return PointList(); + QMutexLocker locker(&m_mutex); + + Note endPoint(end); + + PointListIterator endItr = m_points.upper_bound(endPoint); + + if (endItr != m_points.end()) ++endItr; + if (endItr != m_points.end()) ++endItr; + + PointList rv; + + for (PointListIterator i = endItr; i != m_points.begin(); ) { + --i; + if (i->frame < start) { + if (i->frame + i->duration >= start) { + rv.insert(*i); + } + } else if (i->frame <= end) { + rv.insert(*i); + } + } + + return rv; +} + +NoteModel::PointList +NoteModel::getPoints(long frame) const +{ + QMutexLocker locker(&m_mutex); + + if (m_resolution == 0) return PointList(); + + long start = (frame / m_resolution) * m_resolution; + long end = start + m_resolution; + + Note endPoint(end); + + PointListIterator endItr = m_points.upper_bound(endPoint); + + PointList rv; + + for (PointListIterator i = endItr; i != m_points.begin(); ) { + --i; + if (i->frame < start) { + if (i->frame + i->duration >= start) { + rv.insert(*i); + } + } else if (i->frame <= end) { + rv.insert(*i); + } + } + + return rv; +}