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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2007 QMUL.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #ifndef _PATH_MODEL_H_
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17 #define _PATH_MODEL_H_
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18
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19 #include "Model.h"
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20 #include "SparseModel.h"
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21 #include "base/RealTime.h"
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22 #include "base/BaseTypes.h"
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23
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24 #include <QStringList>
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25
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26
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27 struct PathPoint
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28 {
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29 PathPoint(sv_frame_t _frame) : frame(_frame), mapframe(_frame) { }
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30 PathPoint(sv_frame_t _frame, sv_frame_t _mapframe) :
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31 frame(_frame), mapframe(_mapframe) { }
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32
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33 int getDimensions() const { return 2; }
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34
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35 sv_frame_t frame;
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36 sv_frame_t mapframe;
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37
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38 QString getLabel() const { return ""; }
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39
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40 void toXml(QTextStream &stream, QString indent = "",
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41 QString extraAttributes = "") const {
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42 stream << QString("%1<point frame=\"%2\" mapframe=\"%3\" %4/>\n")
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43 .arg(indent).arg(frame).arg(mapframe).arg(extraAttributes);
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44 }
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45
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46 QString toDelimitedDataString(QString delimiter, DataExportOptions,
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47 sv_samplerate_t sampleRate) const {
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48 QStringList list;
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49 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
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50 list << QString("%1").arg(mapframe);
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51 return list.join(delimiter);
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52 }
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53
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54 struct Comparator {
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55 bool operator()(const PathPoint &p1, const PathPoint &p2) const {
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56 if (p1.frame != p2.frame) return p1.frame < p2.frame;
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57 return p1.mapframe < p2.mapframe;
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58 }
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59 };
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60
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61 struct OrderComparator {
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62 bool operator()(const PathPoint &p1, const PathPoint &p2) const {
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63 return p1.frame < p2.frame;
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64 }
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65 };
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66 };
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67
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68 class PathModel : public SparseModel<PathPoint>
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69 {
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70 public:
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71 PathModel(sv_samplerate_t sampleRate, int resolution, bool notify = true) :
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72 SparseModel<PathPoint>(sampleRate, resolution, notify) { }
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73
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74 void toXml(QTextStream &out,
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75 QString indent = "",
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76 QString extraAttributes = "") const override
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77 {
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78 SparseModel<PathPoint>::toXml
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79 (out,
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80 indent,
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81 QString("%1 subtype=\"path\"")
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82 .arg(extraAttributes));
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83 }
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84
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85 /**
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86 * TabularModel is inherited via SparseModel, but we don't need it here.
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87 */
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88 QString getHeading(int) const override { return ""; }
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89 bool isColumnTimeValue(int) const override { return false; }
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90 SortType getSortType(int) const override { return SortNumeric; }
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91
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92 };
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93
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94
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95 #endif
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