lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 Chris Cannam.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #ifndef _FFT_FUZZY_ADAPTER_H_
lbajardsilogic@0: #define _FFT_FUZZY_ADAPTER_H_
lbajardsilogic@0: 
lbajardsilogic@0: #include "FFTDataServer.h"
lbajardsilogic@0: 
lbajardsilogic@0: class FFTFuzzyAdapter
lbajardsilogic@0: {
lbajardsilogic@0: public:
lbajardsilogic@0:     FFTFuzzyAdapter(const DenseTimeValueModel *model,
lbajardsilogic@0:                     int channel,
lbajardsilogic@0:                     WindowType windowType,
lbajardsilogic@0:                     size_t windowSize,
lbajardsilogic@0:                     size_t windowIncrement,
lbajardsilogic@0:                     size_t fftSize,
lbajardsilogic@0:                     bool polar,
lbajardsilogic@0:                     size_t fillFromColumn = 0);
lbajardsilogic@0:     ~FFTFuzzyAdapter();
lbajardsilogic@0: 
lbajardsilogic@0:     size_t getWidth() const {
lbajardsilogic@0:         return m_server->getWidth() >> m_xshift;
lbajardsilogic@0:     }
lbajardsilogic@0:     size_t getHeight() const {
lbajardsilogic@0:         return m_server->getHeight() >> m_yshift;
lbajardsilogic@0:     }
lbajardsilogic@0:     float getMagnitudeAt(size_t x, size_t y) {
lbajardsilogic@0:         return m_server->getMagnitudeAt(x << m_xshift, y << m_yshift);
lbajardsilogic@0:     }
lbajardsilogic@0:     float getNormalizedMagnitudeAt(size_t x, size_t y) {
lbajardsilogic@0:         return m_server->getNormalizedMagnitudeAt(x << m_xshift, y << m_yshift);
lbajardsilogic@0:     }
lbajardsilogic@0:     float getMaximumMagnitudeAt(size_t x) {
lbajardsilogic@0:         return m_server->getMaximumMagnitudeAt(x << m_xshift);
lbajardsilogic@0:     }
lbajardsilogic@0:     float getPhaseAt(size_t x, size_t y) {
lbajardsilogic@0:         return m_server->getPhaseAt(x << m_xshift, y << m_yshift);
lbajardsilogic@0:     }
lbajardsilogic@0:     void getValuesAt(size_t x, size_t y, float &real, float &imaginary) {
lbajardsilogic@0:         m_server->getValuesAt(x << m_xshift, y << m_yshift, real, imaginary);
lbajardsilogic@0:     }
lbajardsilogic@0:     bool isColumnReady(size_t x) {
lbajardsilogic@0:         return m_server->isColumnReady(x << m_xshift);
lbajardsilogic@0:     }
lbajardsilogic@0:     bool isLocalPeak(size_t x, size_t y) {
lbajardsilogic@0:         float mag = getMagnitudeAt(x, y);
lbajardsilogic@0:         if (y > 0 && mag < getMagnitudeAt(x, y - 1)) return false;
lbajardsilogic@0:         if (y < getHeight() - 1 && mag < getMagnitudeAt(x, y + 1)) return false;
lbajardsilogic@0:         return true;
lbajardsilogic@0:     }
lbajardsilogic@0:     bool isOverThreshold(size_t x, size_t y, float threshold) {
lbajardsilogic@0:         return getMagnitudeAt(x, y) > threshold;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     size_t getFillCompletion() const { return m_server->getFillCompletion(); }
lbajardsilogic@0:     size_t getFillExtent() const { return m_server->getFillExtent(); }
lbajardsilogic@0: 
lbajardsilogic@0: private:
lbajardsilogic@0:     FFTFuzzyAdapter(const FFTFuzzyAdapter &); // not implemented
lbajardsilogic@0:     FFTFuzzyAdapter &operator=(const FFTFuzzyAdapter &); // not implemented
lbajardsilogic@0: 
lbajardsilogic@0:     FFTDataServer *m_server;
lbajardsilogic@0:     int m_xshift;
lbajardsilogic@0:     int m_yshift;
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: #endif