view base/Clipboard.h @ 76:af2725b5d6fe

* Implement harmonic cursor in spectrogram
* Implement layer export.  This doesn't quite do the right thing for the SV
  XML layer export yet -- it doesn't include layer display information, so
  when imported, it only creates an invisible model.  Could also do with
  fixing CSV file import so as to work correctly for note and text layers.

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 Chris Cannam.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _CLIPBOARD_H_
#define _CLIPBOARD_H_

#include <QString>
#include <vector>

class Clipboard
{
public:
    class Point
    {
    public:
        Point(long frame, QString label);
        Point(long frame, float value, QString label);
        Point(long frame, float value, size_t duration, QString label);
        Point(const Point &point);
        Point &operator=(const Point &point);

        bool haveFrame() const;
        long getFrame() const;

        bool haveValue() const;
        float getValue() const;
        
        bool haveDuration() const;
        size_t getDuration() const;
        
        bool haveLabel() const;
        QString getLabel() const;

    private:
        bool m_haveFrame;
        long m_frame;
        bool m_haveValue;
        float m_value;
        bool m_haveDuration;
        size_t m_duration;
        bool m_haveLabel;
        QString m_label;
    };

    Clipboard();
    ~Clipboard();

    typedef std::vector<Point> PointList;

    void clear();
    bool empty() const;
    const PointList &getPoints() const;
    void setPoints(const PointList &points);
    void addPoint(const Point &point);

protected:
    PointList m_points;
};

#endif