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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 2009 QMUL.
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 _DENSE_3D_MODEL_PEAK_CACHE_H_
#define _DENSE_3D_MODEL_PEAK_CACHE_H_
#include "DenseThreeDimensionalModel.h"
#include "EditableDenseThreeDimensionalModel.h"
#include "base/ResizeableBitset.h"
class Dense3DModelPeakCache : public DenseThreeDimensionalModel
{
Q_OBJECT
public:
Dense3DModelPeakCache(DenseThreeDimensionalModel *source,
int columnsPerPeak);
~Dense3DModelPeakCache();
virtual bool isOK() const {
return m_source && m_source->isOK();
}
virtual sv_samplerate_t getSampleRate() const {
return m_source->getSampleRate();
}
virtual sv_frame_t getStartFrame() const {
return m_source->getStartFrame();
}
virtual sv_frame_t getEndFrame() const {
return m_source->getEndFrame();
}
virtual int getResolution() const {
return m_source->getResolution() * m_resolution;
}
virtual int getWidth() const {
return m_source->getWidth() / m_resolution + 1;
}
virtual int getHeight() const {
return m_source->getHeight();
}
virtual float getMinimumLevel() const {
return m_source->getMinimumLevel();
}
virtual float getMaximumLevel() const {
return m_source->getMaximumLevel();
}
virtual bool isColumnAvailable(int column) const;
virtual Column getColumn(int column) const;
virtual float getValueAt(int column, int n) const;
virtual QString getBinName(int n) const {
return m_source->getBinName(n);
}
virtual bool shouldUseLogValueScale() const {
return m_source->shouldUseLogValueScale();
}
QString getTypeName() const { return tr("Dense 3-D Peak Cache"); }
virtual int getCompletion() const {
return m_source->getCompletion();
}
protected slots:
void sourceModelChanged();
void sourceModelAboutToBeDeleted();
private:
DenseThreeDimensionalModel *m_source;
mutable EditableDenseThreeDimensionalModel *m_cache;
mutable ResizeableBitset m_coverage;
int m_resolution;
bool haveColumn(int column) const;
void fillColumn(int column) const;
};
#endif
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