comparison data/model/PathModel.h @ 407:88ad01799040

* Save alignments to session file.  Needs much testing.

+/* -*- 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 2007 QMUL.
+    
+    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.
+*/
+
+#ifndef _PATH_MODEL_H_
+#define _PATH_MODEL_H_
+
+#include "Model.h"
+#include "SparseModel.h"
+#include "base/RealTime.h"
+
+#include <QStringList>
+
+
+struct PathPoint
+{
+    PathPoint(long _frame) : frame(_frame), mapframe(_frame) { }
+    PathPoint(long _frame, long _mapframe) :
+        frame(_frame), mapframe(_mapframe) { }
+
+    int getDimensions() const { return 2; }
+
+    long frame;
+    long mapframe;
+
+    QString getLabel() const { return ""; }
+
+    void toXml(QTextStream &stream, QString indent = "",
+               QString extraAttributes = "") const {
+        stream << QString("%1<point frame=\"%2\" mapframe=\"%3\" %4/>\n")
+            .arg(indent).arg(frame).arg(mapframe).arg(extraAttributes);
+    }
+        
+    QString toDelimitedDataString(QString delimiter,
+                                  size_t sampleRate) const {
+        QStringList list;
+        list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
+        list << QString("%1").arg(mapframe);
+        return list.join(delimiter);
+    }
+
+    struct Comparator {
+        bool operator()(const PathPoint &p1, const PathPoint &p2) const {
+            if (p1.frame != p2.frame) return p1.frame < p2.frame;
+            return p1.mapframe < p2.mapframe;
+        }
+    };
+    
+    struct OrderComparator {
+        bool operator()(const PathPoint &p1, const PathPoint &p2) const {
+            return p1.frame < p2.frame;
+        }
+    };
+};
+
+class PathModel : public SparseModel<PathPoint>
+{
+public:
+    PathModel(size_t sampleRate, size_t resolution, bool notify = true) :
+        SparseModel<PathPoint>(sampleRate, resolution, notify) { }
+
+    virtual void toXml(QTextStream &out,
+                       QString indent = "",
+                       QString extraAttributes = "") const
+    {
+        SparseModel<PathPoint>::toXml
+            (out, 
+             indent,
+             QString("%1 subtype=\"path\"")
+             .arg(extraAttributes));
+    }
+};
+
+
+#endif