Chris@545: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@545: 
Chris@545: /*
Chris@545:     Sonic Visualiser
Chris@545:     An audio file viewer and annotation editor.
Chris@545:     Centre for Digital Music, Queen Mary, University of London.
Chris@545:     This file copyright 2009 QMUL.
Chris@545:     
Chris@545:     This program is free software; you can redistribute it and/or
Chris@545:     modify it under the terms of the GNU General Public License as
Chris@545:     published by the Free Software Foundation; either version 2 of the
Chris@545:     License, or (at your option) any later version.  See the file
Chris@545:     COPYING included with this distribution for more information.
Chris@545: */
Chris@545: 
Chris@545: #ifndef _DENSE_3D_MODEL_PEAK_CACHE_H_
Chris@545: #define _DENSE_3D_MODEL_PEAK_CACHE_H_
Chris@545: 
Chris@545: #include "DenseThreeDimensionalModel.h"
Chris@545: #include "EditableDenseThreeDimensionalModel.h"
Chris@545: #include "base/ResizeableBitset.h"
Chris@545: 
Chris@545: class Dense3DModelPeakCache : public DenseThreeDimensionalModel
Chris@545: {
Chris@546:     Q_OBJECT
Chris@546: 
Chris@545: public:
Chris@545:     Dense3DModelPeakCache(DenseThreeDimensionalModel *source,
Chris@545:                           size_t columnsPerPeak);
Chris@545:     ~Dense3DModelPeakCache();
Chris@545: 
Chris@546:     virtual bool isOK() const {
Chris@546:         return m_source && m_source->isOK(); 
Chris@546:     }
Chris@546: 
Chris@546:     virtual size_t getSampleRate() const {
Chris@546:         return m_source->getSampleRate();
Chris@546:     }
Chris@546: 
Chris@546:     virtual size_t getStartFrame() const {
Chris@546:         return m_source->getStartFrame();
Chris@546:     }
Chris@546: 
Chris@546:     virtual size_t getEndFrame() const {
Chris@546:         return m_source->getEndFrame();
Chris@546:     }
Chris@546: 
Chris@546:     virtual Model *clone() const {
Chris@546:         return new Dense3DModelPeakCache(m_source, m_resolution);
Chris@546:     }
Chris@546:     
Chris@545:     virtual size_t getResolution() const {
Chris@545:         return m_source->getResolution() * m_resolution;
Chris@545:     }
Chris@545: 
Chris@545:     virtual size_t getWidth() const {
Chris@545:         return m_source->getWidth() / m_resolution + 1;
Chris@545:     }
Chris@545: 
Chris@545:     virtual size_t getHeight() const {
Chris@545:         return m_source->getHeight();
Chris@545:     }
Chris@545: 
Chris@545:     virtual float getMinimumLevel() const {
Chris@545:         return m_source->getMinimumLevel();
Chris@545:     }
Chris@545: 
Chris@545:     virtual float getMaximumLevel() const {
Chris@545:         return m_source->getMaximumLevel();
Chris@545:     }
Chris@545: 
Chris@545:     virtual bool isColumnAvailable(size_t column) const;
Chris@545: 
Chris@545:     virtual Column getColumn(size_t column) const;
Chris@545: 
Chris@545:     virtual float getValueAt(size_t column, size_t n) const;
Chris@545: 
Chris@545:     virtual QString getBinName(size_t n) const {
Chris@545:         return m_source->getBinName(n);
Chris@545:     }
Chris@545: 
Chris@545:     virtual bool shouldUseLogValueScale() const {
Chris@545:         return m_source->shouldUseLogValueScale();
Chris@545:     }
Chris@545: 
Chris@545:     QString getTypeName() const { return tr("Dense 3-D Peak Cache"); }
Chris@545: 
Chris@545:     virtual int getCompletion() const {
Chris@545:         return m_source->getCompletion();
Chris@545:     }
Chris@545: 
Chris@545: protected slots:
Chris@545:     void sourceModelChanged();
Chris@545:     void sourceModelAboutToBeDeleted();
Chris@545: 
Chris@545: private:
Chris@545:     DenseThreeDimensionalModel *m_source;
Chris@545:     mutable EditableDenseThreeDimensionalModel *m_cache;
Chris@545:     mutable ResizeableBitset m_coverage;
Chris@545:     size_t m_resolution;
Chris@545: 
Chris@545:     bool haveColumn(size_t column) const;
Chris@545:     void fillColumn(size_t column) const;
Chris@545: };
Chris@545: 
Chris@545: 
Chris@545: #endif