Chris@148: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@148: 
Chris@148: /*
Chris@148:     Sonic Visualiser
Chris@148:     An audio file viewer and annotation editor.
Chris@148:     Centre for Digital Music, Queen Mary, University of London.
Chris@148:     This file copyright 2006 Chris Cannam.
Chris@148:     
Chris@148:     This program is free software; you can redistribute it and/or
Chris@148:     modify it under the terms of the GNU General Public License as
Chris@148:     published by the Free Software Foundation; either version 2 of the
Chris@148:     License, or (at your option) any later version.  See the file
Chris@148:     COPYING included with this distribution for more information.
Chris@148: */
Chris@148: 
Chris@148: #ifndef _FFT_FUZZY_ADAPTER_H_
Chris@148: #define _FFT_FUZZY_ADAPTER_H_
Chris@148: 
Chris@148: #include "FFTDataServer.h"
Chris@148: 
Chris@148: class FFTFuzzyAdapter
Chris@148: {
Chris@148: public:
Chris@148:     FFTFuzzyAdapter(const DenseTimeValueModel *model,
Chris@148:                     int channel,
Chris@148:                     WindowType windowType,
Chris@929:                     int windowSize,
Chris@929:                     int windowIncrement,
Chris@929:                     int fftSize,
Chris@148:                     bool polar,
Chris@929:                     int fillFromColumn = 0);
Chris@148:     ~FFTFuzzyAdapter();
Chris@148: 
Chris@929:     int getWidth() const {
Chris@148:         return m_server->getWidth() >> m_xshift;
Chris@148:     }
Chris@929:     int getHeight() const {
Chris@148:         return m_server->getHeight() >> m_yshift;
Chris@148:     }
Chris@929:     float getMagnitudeAt(int x, int y) {
Chris@148:         return m_server->getMagnitudeAt(x << m_xshift, y << m_yshift);
Chris@148:     }
Chris@929:     float getNormalizedMagnitudeAt(int x, int y) {
Chris@148:         return m_server->getNormalizedMagnitudeAt(x << m_xshift, y << m_yshift);
Chris@148:     }
Chris@929:     float getMaximumMagnitudeAt(int x) {
Chris@148:         return m_server->getMaximumMagnitudeAt(x << m_xshift);
Chris@148:     }
Chris@929:     float getPhaseAt(int x, int y) {
Chris@148:         return m_server->getPhaseAt(x << m_xshift, y << m_yshift);
Chris@148:     }
Chris@929:     void getValuesAt(int x, int y, float &real, float &imaginary) {
Chris@148:         m_server->getValuesAt(x << m_xshift, y << m_yshift, real, imaginary);
Chris@148:     }
Chris@929:     bool isColumnReady(int x) {
Chris@148:         return m_server->isColumnReady(x << m_xshift);
Chris@148:     }
Chris@929:     bool isLocalPeak(int x, int y) {
Chris@148:         float mag = getMagnitudeAt(x, y);
Chris@148:         if (y > 0 && mag < getMagnitudeAt(x, y - 1)) return false;
Chris@148:         if (y < getHeight() - 1 && mag < getMagnitudeAt(x, y + 1)) return false;
Chris@148:         return true;
Chris@148:     }
Chris@929:     bool isOverThreshold(int x, int y, float threshold) {
Chris@148:         return getMagnitudeAt(x, y) > threshold;
Chris@148:     }
Chris@148: 
Chris@929:     int getFillCompletion() const { return m_server->getFillCompletion(); }
Chris@929:     int getFillExtent() const { return m_server->getFillExtent(); }
Chris@148: 
Chris@148: private:
Chris@148:     FFTFuzzyAdapter(const FFTFuzzyAdapter &); // not implemented
Chris@148:     FFTFuzzyAdapter &operator=(const FFTFuzzyAdapter &); // not implemented
Chris@148: 
Chris@148:     FFTDataServer *m_server;
Chris@148:     int m_xshift;
Chris@148:     int m_yshift;
Chris@148: };
Chris@148: 
Chris@148: #endif