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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 2006 Chris Cannam.
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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 _CLIPBOARD_H_
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17 #define _CLIPBOARD_H_
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18
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19 #include <QString>
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20 #include <vector>
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21
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22 class Clipboard
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23 {
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24 public:
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25 class Point
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26 {
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27 public:
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28 Point(long frame, QString label);
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29 Point(long frame, float value, QString label);
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30 Point(long frame, float value, int duration, QString label);
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31 Point(long frame, float value, int duration, float level, QString label);
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32 Point(const Point &point);
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33 Point &operator=(const Point &point);
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34
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35 bool haveFrame() const;
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36 long getFrame() const;
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37 Point withFrame(long frame) const;
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38
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39 bool haveValue() const;
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40 float getValue() const;
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41 Point withValue(float value) const;
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42
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43 bool haveDuration() const;
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44 int getDuration() const;
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45 Point withDuration(int duration) const;
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46
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47 bool haveLabel() const;
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48 QString getLabel() const;
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49 Point withLabel(QString label) const;
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50
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51 bool haveLevel() const;
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52 float getLevel() const;
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53 Point withLevel(float level) const;
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54
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55 bool haveReferenceFrame() const;
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56 bool referenceFrameDiffers() const; // from point frame
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57
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58 long getReferenceFrame() const;
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59 void setReferenceFrame(long);
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60
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61 private:
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62 bool m_haveFrame;
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63 long m_frame;
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64 bool m_haveValue;
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65 float m_value;
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66 bool m_haveDuration;
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67 int m_duration;
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68 bool m_haveLabel;
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69 QString m_label;
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70 bool m_haveLevel;
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71 float m_level;
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72 bool m_haveReferenceFrame;
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73 long m_referenceFrame;
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74 };
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75
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76 Clipboard();
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77 ~Clipboard();
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78
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79 typedef std::vector<Point> PointList;
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80
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81 void clear();
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82 bool empty() const;
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83 const PointList &getPoints() const;
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84 void setPoints(const PointList &points);
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85 void addPoint(const Point &point);
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86
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87 bool haveReferenceFrames() const;
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88 bool referenceFramesDiffer() const;
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89
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90 protected:
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91 PointList m_points;
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92 };
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93
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94 #endif
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