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// -*- c-basic-offset: 4 -*-
/*
Rosegarden
A sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <[email protected]>,
Chris Cannam <[email protected]>,
Richard Bown <[email protected]>
The moral right of the authors to claim authorship of this work
has been asserted.
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 BASIC_QUANTIZER_H
#define BASIC_QUANTIZER_H
#include "Quantizer.h"
namespace Rosegarden {
class BasicQuantizer : public Quantizer
{
public:
// The default unit is the shortest note type. A unit of
// zero means do no quantization (rather pointlessly).
BasicQuantizer(timeT unit = -1, bool doDurations = false,
int swingPercent = 0, int iteratePercent = 100);
BasicQuantizer(std::string source, std::string target,
timeT unit = -1, bool doDurations = false,
int swingPercent = 0, int iteratePercent = 100);
BasicQuantizer(const BasicQuantizer &);
virtual ~BasicQuantizer();
void setUnit(timeT unit) { m_unit = unit; }
timeT getUnit() const { return m_unit; }
void setDoDurations(bool doDurations) { m_durations = doDurations; }
bool getDoDurations() const { return m_durations; }
void setSwing(int percent) { m_swing = percent; }
int getSwing() const { return m_swing; }
void setIterative(int percent) { m_iterate = percent; }
int getIterative() const { return m_iterate; }
/**
* Return the standard quantization units in descending order of
* unit duration
*/
static std::vector<timeT> getStandardQuantizations();
/**
* Study the given segment; if all the events in it have times
* that match one or more of the standard quantizations, return
* the longest standard quantization unit to match. Otherwise
* return 0.
*/
static timeT getStandardQuantization(Segment *);
/**
* Study the given selection; if all the events in it have times
* that match one or more of the standard quantizations, return
* the longest standard quantization unit to match. Otherwise
* return 0.
*/
static timeT getStandardQuantization(EventSelection *);
protected:
virtual void quantizeSingle(Segment *,
Segment::iterator) const;
private:
BasicQuantizer &operator=(const BasicQuantizer &); // not provided
timeT m_unit;
bool m_durations;
int m_swing;
int m_iterate;
static std::vector<timeT> m_standardQuantizations;
static void checkStandardQuantizations();
static timeT getUnitFor(Event *);
};
}
#endif
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