diff data/model/NoteModel.cpp @ 147:3a13b0d4934e

* Reorganising code base. This revision will not compile.
author Chris Cannam
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;
+}