annotate data/model/SparseOneDimensionalModel.h @ 384:6f6ab834449d spectrogram-cache-rejig

* Merge from trunk
author Chris Cannam
date Wed, 27 Feb 2008 11:59:42 +0000
parents 7a4bd2c8585c
children
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@384 33
Chris@384 34 QString getLabel() const { return label; }
Chris@384 35
Chris@314 36 void toXml(QTextStream &stream,
Chris@314 37 QString indent = "",
Chris@314 38 QString extraAttributes = "") const
Chris@147 39 {
Chris@314 40 stream << QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n")
Chris@147 41 .arg(indent).arg(frame).arg(label).arg(extraAttributes);
Chris@147 42 }
Chris@147 43
Chris@147 44 QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
Chris@147 45 {
Chris@147 46 QStringList list;
Chris@147 47 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@318 48 if (label != "") list << label;
Chris@147 49 return list.join(delimiter);
Chris@147 50 }
Chris@147 51
Chris@147 52 struct Comparator {
Chris@147 53 bool operator()(const OneDimensionalPoint &p1,
Chris@147 54 const OneDimensionalPoint &p2) const {
Chris@147 55 if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147 56 return p1.label < p2.label;
Chris@147 57 }
Chris@147 58 };
Chris@147 59
Chris@147 60 struct OrderComparator {
Chris@147 61 bool operator()(const OneDimensionalPoint &p1,
Chris@147 62 const OneDimensionalPoint &p2) const {
Chris@147 63 return p1.frame < p2.frame;
Chris@147 64 }
Chris@147 65 };
Chris@147 66 };
Chris@147 67
Chris@147 68
Chris@147 69 class SparseOneDimensionalModel : public SparseModel<OneDimensionalPoint>
Chris@147 70 {
Chris@147 71 public:
Chris@147 72 SparseOneDimensionalModel(size_t sampleRate, size_t resolution,
Chris@147 73 bool notifyOnAdd = true) :
Chris@147 74 SparseModel<OneDimensionalPoint>(sampleRate, resolution, notifyOnAdd)
Chris@147 75 {
Chris@147 76 PlayParameterRepository::getInstance()->addModel(this);
Chris@147 77 }
Chris@147 78
Chris@147 79 int getIndexOf(const Point &point) {
Chris@147 80 // slow
Chris@147 81 int i = 0;
Chris@147 82 Point::Comparator comparator;
Chris@147 83 for (PointList::const_iterator j = m_points.begin();
Chris@147 84 j != m_points.end(); ++j, ++i) {
Chris@147 85 if (!comparator(*j, point) && !comparator(point, *j)) return i;
Chris@147 86 }
Chris@147 87 return -1;
Chris@147 88 }
Chris@384 89
Chris@384 90 QString getTypeName() const { return tr("Sparse 1-D"); }
Chris@147 91 };
Chris@147 92
Chris@147 93 #endif
Chris@147 94
Chris@147 95
Chris@147 96