comparison data/model/TextModel.h @ 147:3a13b0d4934e

* Reorganising code base.  This revision will not compile.

+/* -*- 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 _TEXT_MODEL_H_
+#define _TEXT_MODEL_H_
+
+#include "SparseModel.h"
+#include "base/RealTime.h"
+
+/**
+ * Text point type for use in a SparseModel.  This represents a piece
+ * of text at a given time and y-value in the [0,1) range (indicative
+ * of height on the window).  Intended for casual textual annotations.
+ */
+
+struct TextPoint
+{
+public:
+    TextPoint(long _frame) : frame(_frame), height(0.0f) { }
+    TextPoint(long _frame, float _height, QString _label) : 
+	frame(_frame), height(_height), label(_label) { }
+
+    int getDimensions() const { return 2; }
+    
+    long frame;
+    float height;
+    QString label;
+    
+    QString toXmlString(QString indent = "",
+			QString extraAttributes = "") const
+    {
+	return QString("%1<point frame=\"%2\" height=\"%3\" label=\"%4\" %5/>\n")
+	    .arg(indent).arg(frame).arg(height).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(height);
+        list << label;
+        return list.join(delimiter);
+    }
+
+    struct Comparator {
+	bool operator()(const TextPoint &p1,
+			const TextPoint &p2) const {
+	    if (p1.frame != p2.frame) return p1.frame < p2.frame;
+	    if (p1.height != p2.height) return p1.height < p2.height;
+	    return p1.label < p2.label;
+	}
+    };
+    
+    struct OrderComparator {
+	bool operator()(const TextPoint &p1,
+			const TextPoint &p2) const {
+	    return p1.frame < p2.frame;
+	}
+    };
+};
+
+
+// Make this a class rather than a typedef so it can be predeclared.
+
+class TextModel : public SparseModel<TextPoint>
+{
+public:
+    TextModel(size_t sampleRate, size_t resolution, bool notifyOnAdd = true) :
+	SparseModel<TextPoint>(sampleRate, resolution, notifyOnAdd)
+    { }
+
+    virtual QString toXmlString(QString indent = "",
+				QString extraAttributes = "") const
+    {
+	return SparseModel<TextPoint>::toXmlString
+	    (indent,
+	     QString("%1 subtype=\"text\"")
+	     .arg(extraAttributes));
+    }
+};
+
+
+#endif
+
+
+