Mercurial > hg > svcore
view base/Clipboard.h @ 1610:7db29268cf4c single-point
Bitfield + reorder for packing
author | Chris Cannam |
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date | Tue, 05 Mar 2019 14:18:37 +0000 |
parents | ad5f892c0c4d |
children | b2f32c554199 |
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/* -*- 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 SV_CLIPBOARD_H #define SV_CLIPBOARD_H #include <QString> #include <vector> #include "BaseTypes.h" class Clipboard { public: class Point { public: Point(sv_frame_t frame, QString label); Point(sv_frame_t frame, float value, QString label); Point(sv_frame_t frame, float value, sv_frame_t duration, QString label); Point(sv_frame_t frame, float value, sv_frame_t duration, float level, QString label); Point(const Point &point) =default; Point &operator=(const Point &point) =default; bool haveFrame() const; sv_frame_t getFrame() const; Point withFrame(sv_frame_t frame) const; bool haveValue() const; float getValue() const; Point withValue(float value) const; bool haveDuration() const; sv_frame_t getDuration() const; Point withDuration(sv_frame_t duration) const; bool haveLabel() const; QString getLabel() const; Point withLabel(QString label) const; bool haveLevel() const; float getLevel() const; Point withLevel(float level) const; bool haveReferenceFrame() const; bool referenceFrameDiffers() const; // from point frame sv_frame_t getReferenceFrame() const; void setReferenceFrame(sv_frame_t); private: // Order of fields here is chosen to minimise overall size of struct. // If you change something, check what difference it makes to packing. bool m_haveValue : 1; bool m_haveLevel : 1; bool m_haveFrame : 1; bool m_haveDuration : 1; bool m_haveReferenceFrame : 1; bool m_haveLabel : 1; float m_value; float m_level; sv_frame_t m_frame; sv_frame_t m_duration; sv_frame_t m_referenceFrame; 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); bool haveReferenceFrames() const; bool referenceFramesDiffer() const; protected: PointList m_points; }; #endif