diff data/model/SparseOneDimensionalModel.h @ 147:3a13b0d4934e

* Reorganising code base. This revision will not compile.
author Chris Cannam
date Mon, 31 Jul 2006 11:44:37 +0000
parents
children 4b2ea82fd0ed
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/data/model/SparseOneDimensionalModel.h	Mon Jul 31 11:44:37 2006 +0000
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+/* -*- 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.
+*/
+
+#ifndef _SPARSE_ONE_DIMENSIONAL_MODEL_H_
+#define _SPARSE_ONE_DIMENSIONAL_MODEL_H_
+
+#include "SparseModel.h"
+#include "PlayParameterRepository.h"
+#include "base/RealTime.h"
+
+struct OneDimensionalPoint
+{
+public:
+    OneDimensionalPoint(long _frame) : frame(_frame) { }
+    OneDimensionalPoint(long _frame, QString _label) : frame(_frame), label(_label) { }
+
+    int getDimensions() const { return 1; }
+    
+    long frame;
+    QString label;
+    
+    QString toXmlString(QString indent = "",
+			QString extraAttributes = "") const
+    {
+	return QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n")
+	    .arg(indent).arg(frame).arg(label).arg(extraAttributes);
+    }
+
+    QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
+    {
+        QStringList list;
+        list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
+        list << label;
+        return list.join(delimiter);
+    }
+
+    struct Comparator {
+	bool operator()(const OneDimensionalPoint &p1,
+			const OneDimensionalPoint &p2) const {
+	    if (p1.frame != p2.frame) return p1.frame < p2.frame;
+	    return p1.label < p2.label;
+	}
+    };
+    
+    struct OrderComparator {
+	bool operator()(const OneDimensionalPoint &p1,
+			const OneDimensionalPoint &p2) const {
+	    return p1.frame < p2.frame;
+	}
+    };
+};
+
+
+class SparseOneDimensionalModel : public SparseModel<OneDimensionalPoint>
+{
+public:
+    SparseOneDimensionalModel(size_t sampleRate, size_t resolution,
+			      bool notifyOnAdd = true) :
+	SparseModel<OneDimensionalPoint>(sampleRate, resolution, notifyOnAdd)
+    {
+	PlayParameterRepository::getInstance()->addModel(this);
+    }
+
+    int getIndexOf(const Point &point) {
+	// slow
+	int i = 0;
+	Point::Comparator comparator;
+	for (PointList::const_iterator j = m_points.begin();
+	     j != m_points.end(); ++j, ++i) {
+	    if (!comparator(*j, point) && !comparator(point, *j)) return i;
+	}
+	return -1;
+    }
+};
+
+#endif
+
+
+