annotate data/model/SparseOneDimensionalModel.h @ 248:084ae1c213ee

* Add display of selection extents in status bar when dragging a selection * Some build fixes after that i18n update
author Chris Cannam
date Wed, 07 Mar 2007 18:00:49 +0000
parents 4b2ea82fd0ed
children 70a232b1f12a
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@147 34 QString toXmlString(QString indent = "",
Chris@147 35 QString extraAttributes = "") const
Chris@147 36 {
Chris@147 37 return QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n")
Chris@147 38 .arg(indent).arg(frame).arg(label).arg(extraAttributes);
Chris@147 39 }
Chris@147 40
Chris@147 41 QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
Chris@147 42 {
Chris@147 43 QStringList list;
Chris@147 44 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@147 45 list << label;
Chris@147 46 return list.join(delimiter);
Chris@147 47 }
Chris@147 48
Chris@147 49 struct Comparator {
Chris@147 50 bool operator()(const OneDimensionalPoint &p1,
Chris@147 51 const OneDimensionalPoint &p2) const {
Chris@147 52 if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147 53 return p1.label < p2.label;
Chris@147 54 }
Chris@147 55 };
Chris@147 56
Chris@147 57 struct OrderComparator {
Chris@147 58 bool operator()(const OneDimensionalPoint &p1,
Chris@147 59 const OneDimensionalPoint &p2) const {
Chris@147 60 return p1.frame < p2.frame;
Chris@147 61 }
Chris@147 62 };
Chris@147 63 };
Chris@147 64
Chris@147 65
Chris@147 66 class SparseOneDimensionalModel : public SparseModel<OneDimensionalPoint>
Chris@147 67 {
Chris@147 68 public:
Chris@147 69 SparseOneDimensionalModel(size_t sampleRate, size_t resolution,
Chris@147 70 bool notifyOnAdd = true) :
Chris@147 71 SparseModel<OneDimensionalPoint>(sampleRate, resolution, notifyOnAdd)
Chris@147 72 {
Chris@147 73 PlayParameterRepository::getInstance()->addModel(this);
Chris@147 74 }
Chris@147 75
Chris@147 76 int getIndexOf(const Point &point) {
Chris@147 77 // slow
Chris@147 78 int i = 0;
Chris@147 79 Point::Comparator comparator;
Chris@147 80 for (PointList::const_iterator j = m_points.begin();
Chris@147 81 j != m_points.end(); ++j, ++i) {
Chris@147 82 if (!comparator(*j, point) && !comparator(point, *j)) return i;
Chris@147 83 }
Chris@147 84 return -1;
Chris@147 85 }
Chris@147 86 };
Chris@147 87
Chris@147 88 #endif
Chris@147 89
Chris@147 90
Chris@147 91