annotate data/model/SparseTimeValueModel.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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Chris@147 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@147 2
Chris@147 3 /*
Chris@147 4 Sonic Visualiser
Chris@147 5 An audio file viewer and annotation editor.
Chris@147 6 Centre for Digital Music, Queen Mary, University of London.
Chris@147 7 This file copyright 2006 Chris Cannam.
Chris@147 8
Chris@147 9 This program is free software; you can redistribute it and/or
Chris@147 10 modify it under the terms of the GNU General Public License as
Chris@147 11 published by the Free Software Foundation; either version 2 of the
Chris@147 12 License, or (at your option) any later version. See the file
Chris@147 13 COPYING included with this distribution for more information.
Chris@147 14 */
Chris@147 15
Chris@147 16 #ifndef _SPARSE_TIME_VALUE_MODEL_H_
Chris@147 17 #define _SPARSE_TIME_VALUE_MODEL_H_
Chris@147 18
Chris@147 19 #include "SparseValueModel.h"
Chris@147 20 #include "PlayParameterRepository.h"
Chris@147 21 #include "base/RealTime.h"
Chris@147 22
Chris@147 23 /**
Chris@147 24 * Time/value point type for use in a SparseModel or SparseValueModel.
Chris@147 25 * With this point type, the model basically represents a wiggly-line
Chris@147 26 * plot with points at arbitrary intervals of the model resolution.
Chris@147 27 */
Chris@147 28
Chris@147 29 struct TimeValuePoint
Chris@147 30 {
Chris@147 31 public:
Chris@147 32 TimeValuePoint(long _frame) : frame(_frame), value(0.0f) { }
Chris@147 33 TimeValuePoint(long _frame, float _value, QString _label) :
Chris@147 34 frame(_frame), value(_value), label(_label) { }
Chris@147 35
Chris@147 36 int getDimensions() const { return 2; }
Chris@147 37
Chris@147 38 long frame;
Chris@147 39 float value;
Chris@147 40 QString label;
Chris@147 41
Chris@147 42 QString toXmlString(QString indent = "",
Chris@147 43 QString extraAttributes = "") const
Chris@147 44 {
Chris@147 45 return QString("%1<point frame=\"%2\" value=\"%3\" label=\"%4\" %5/>\n")
Chris@147 46 .arg(indent).arg(frame).arg(value).arg(label).arg(extraAttributes);
Chris@147 47 }
Chris@147 48
Chris@147 49 QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
Chris@147 50 {
Chris@147 51 QStringList list;
Chris@147 52 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@147 53 list << QString("%1").arg(value);
Chris@147 54 list << label;
Chris@147 55 return list.join(delimiter);
Chris@147 56 }
Chris@147 57
Chris@147 58 struct Comparator {
Chris@147 59 bool operator()(const TimeValuePoint &p1,
Chris@147 60 const TimeValuePoint &p2) const {
Chris@147 61 if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147 62 if (p1.value != p2.value) return p1.value < p2.value;
Chris@147 63 return p1.label < p2.label;
Chris@147 64 }
Chris@147 65 };
Chris@147 66
Chris@147 67 struct OrderComparator {
Chris@147 68 bool operator()(const TimeValuePoint &p1,
Chris@147 69 const TimeValuePoint &p2) const {
Chris@147 70 return p1.frame < p2.frame;
Chris@147 71 }
Chris@147 72 };
Chris@147 73 };
Chris@147 74
Chris@147 75
Chris@147 76 class SparseTimeValueModel : public SparseValueModel<TimeValuePoint>
Chris@147 77 {
Chris@147 78 public:
Chris@147 79 SparseTimeValueModel(size_t sampleRate, size_t resolution,
Chris@147 80 float valueMinimum, float valueMaximum,
Chris@147 81 bool notifyOnAdd = true) :
Chris@147 82 SparseValueModel<TimeValuePoint>(sampleRate, resolution,
Chris@147 83 valueMinimum, valueMaximum,
Chris@147 84 notifyOnAdd)
Chris@147 85 {
Chris@147 86 PlayParameterRepository::getInstance()->addModel(this);
Chris@147 87 }
Chris@147 88 };
Chris@147 89
Chris@147 90
Chris@147 91 #endif
Chris@147 92
Chris@147 93
Chris@147 94