annotate data/model/SparseOneDimensionalModel.h @ 314:70a232b1f12a

* Make XmlExportable::toXml the function that is universally overridden (and pure virtual) instead of toXmlString. Tidies up some classes, notably the model classes, significantly. Closes #1794561.
author Chris Cannam
date Thu, 18 Oct 2007 10:15:07 +0000
parents 4b2ea82fd0ed
children 7a4bd2c8585c
rev   line source
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_ONE_DIMENSIONAL_MODEL_H_
Chris@147 17 #define _SPARSE_ONE_DIMENSIONAL_MODEL_H_
Chris@147 18
Chris@147 19 #include "SparseModel.h"
Chris@150 20 #include "base/PlayParameterRepository.h"
Chris@147 21 #include "base/RealTime.h"
Chris@147 22
Chris@147 23 struct OneDimensionalPoint
Chris@147 24 {
Chris@147 25 public:
Chris@147 26 OneDimensionalPoint(long _frame) : frame(_frame) { }
Chris@147 27 OneDimensionalPoint(long _frame, QString _label) : frame(_frame), label(_label) { }
Chris@147 28
Chris@147 29 int getDimensions() const { return 1; }
Chris@147 30
Chris@147 31 long frame;
Chris@147 32 QString label;
Chris@147 33
Chris@314 34 void toXml(QTextStream &stream,
Chris@314 35 QString indent = "",
Chris@314 36 QString extraAttributes = "") const
Chris@147 37 {
Chris@314 38 stream << QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n")
Chris@147 39 .arg(indent).arg(frame).arg(label).arg(extraAttributes);
Chris@147 40 }
Chris@147 41
Chris@147 42 QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
Chris@147 43 {
Chris@147 44 QStringList list;
Chris@147 45 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@147 46 list << label;
Chris@147 47 return list.join(delimiter);
Chris@147 48 }
Chris@147 49
Chris@147 50 struct Comparator {
Chris@147 51 bool operator()(const OneDimensionalPoint &p1,
Chris@147 52 const OneDimensionalPoint &p2) const {
Chris@147 53 if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147 54 return p1.label < p2.label;
Chris@147 55 }
Chris@147 56 };
Chris@147 57
Chris@147 58 struct OrderComparator {
Chris@147 59 bool operator()(const OneDimensionalPoint &p1,
Chris@147 60 const OneDimensionalPoint &p2) const {
Chris@147 61 return p1.frame < p2.frame;
Chris@147 62 }
Chris@147 63 };
Chris@147 64 };
Chris@147 65
Chris@147 66
Chris@147 67 class SparseOneDimensionalModel : public SparseModel<OneDimensionalPoint>
Chris@147 68 {
Chris@147 69 public:
Chris@147 70 SparseOneDimensionalModel(size_t sampleRate, size_t resolution,
Chris@147 71 bool notifyOnAdd = true) :
Chris@147 72 SparseModel<OneDimensionalPoint>(sampleRate, resolution, notifyOnAdd)
Chris@147 73 {
Chris@147 74 PlayParameterRepository::getInstance()->addModel(this);
Chris@147 75 }
Chris@147 76
Chris@147 77 int getIndexOf(const Point &point) {
Chris@147 78 // slow
Chris@147 79 int i = 0;
Chris@147 80 Point::Comparator comparator;
Chris@147 81 for (PointList::const_iterator j = m_points.begin();
Chris@147 82 j != m_points.end(); ++j, ++i) {
Chris@147 83 if (!comparator(*j, point) && !comparator(point, *j)) return i;
Chris@147 84 }
Chris@147 85 return -1;
Chris@147 86 }
Chris@147 87 };
Chris@147 88
Chris@147 89 #endif
Chris@147 90
Chris@147 91
Chris@147 92