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

* Reorganising code base.  This revision will not compile.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/data/model/SparseTimeValueModel.h	Mon Jul 31 11:44:37 2006 +0000
@@ -0,0 +1,94 @@
+/* -*- 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_TIME_VALUE_MODEL_H_
+#define _SPARSE_TIME_VALUE_MODEL_H_
+
+#include "SparseValueModel.h"
+#include "PlayParameterRepository.h"
+#include "base/RealTime.h"
+
+/**
+ * Time/value point type for use in a SparseModel or SparseValueModel.
+ * With this point type, the model basically represents a wiggly-line
+ * plot with points at arbitrary intervals of the model resolution.
+ */
+
+struct TimeValuePoint
+{
+public:
+    TimeValuePoint(long _frame) : frame(_frame), value(0.0f) { }
+    TimeValuePoint(long _frame, float _value, QString _label) : 
+	frame(_frame), value(_value), label(_label) { }
+
+    int getDimensions() const { return 2; }
+    
+    long frame;
+    float value;
+    QString label;
+    
+    QString toXmlString(QString indent = "",
+			QString extraAttributes = "") const
+    {
+	return QString("%1<point frame=\"%2\" value=\"%3\" label=\"%4\" %5/>\n")
+	    .arg(indent).arg(frame).arg(value).arg(label).arg(extraAttributes);
+    }
+
+    QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
+    {
+        QStringList list;
+        list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
+        list << QString("%1").arg(value);
+        list << label;
+        return list.join(delimiter);
+    }
+
+    struct Comparator {
+	bool operator()(const TimeValuePoint &p1,
+			const TimeValuePoint &p2) const {
+	    if (p1.frame != p2.frame) return p1.frame < p2.frame;
+	    if (p1.value != p2.value) return p1.value < p2.value;
+	    return p1.label < p2.label;
+	}
+    };
+    
+    struct OrderComparator {
+	bool operator()(const TimeValuePoint &p1,
+			const TimeValuePoint &p2) const {
+	    return p1.frame < p2.frame;
+	}
+    };
+};
+
+
+class SparseTimeValueModel : public SparseValueModel<TimeValuePoint>
+{
+public:
+    SparseTimeValueModel(size_t sampleRate, size_t resolution,
+			 float valueMinimum, float valueMaximum,
+			 bool notifyOnAdd = true) :
+	SparseValueModel<TimeValuePoint>(sampleRate, resolution,
+					 valueMinimum, valueMaximum,
+					 notifyOnAdd)
+    {
+	PlayParameterRepository::getInstance()->addModel(this);
+    }
+};
+
+
+#endif
+
+
+