Chris@58: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@59:     Sonic Visualiser
Chris@59:     An audio file viewer and annotation editor.
Chris@59:     Centre for Digital Music, Queen Mary, University of London.
Chris@484:     This file copyright 2006-2009 Chris Cannam and QMUL.
Chris@0:     
Chris@59:     This program is free software; you can redistribute it and/or
Chris@59:     modify it under the terms of the GNU General Public License as
Chris@59:     published by the Free Software Foundation; either version 2 of the
Chris@59:     License, or (at your option) any later version.  See the file
Chris@59:     COPYING included with this distribution for more information.
Chris@0: */
Chris@0: 
Chris@0: #include "SpectrogramLayer.h"
Chris@0: 
Chris@128: #include "view/View.h"
Chris@0: #include "base/Profiler.h"
Chris@0: #include "base/AudioLevel.h"
Chris@0: #include "base/Window.h"
Chris@24: #include "base/Pitch.h"
Chris@118: #include "base/Preferences.h"
Chris@167: #include "base/RangeMapper.h"
Chris@253: #include "base/LogRange.h"
Chris@376: #include "widgets/CommandHistory.h"
Chris@376: #include "ColourMapper.h"
Chris@283: #include "ImageRegionFinder.h"
Chris@484: #include "data/model/Dense3DModelPeakCache.h"
Chris@690: #include "PianoScale.h"
Chris@0: 
Chris@0: #include <QPainter>
Chris@0: #include <QImage>
Chris@0: #include <QPixmap>
Chris@0: #include <QRect>
Chris@0: #include <QTimer>
Chris@92: #include <QApplication>
Chris@178: #include <QMessageBox>
Chris@283: #include <QMouseEvent>
Chris@316: #include <QTextStream>
Chris@0: 
Chris@0: #include <iostream>
Chris@0: 
Chris@682: 
Chris@682: 
Chris@0: #include <cassert>
Chris@0: #include <cmath>
Chris@0: 
Chris@545: #ifndef __GNUC__
Chris@545: #include <alloca.h>
Chris@545: #endif
Chris@545: 
Chris@490: //#define DEBUG_SPECTROGRAM_REPAINT 1
Chris@0: 
Chris@44: SpectrogramLayer::SpectrogramLayer(Configuration config) :
Chris@0:     m_model(0),
Chris@0:     m_channel(0),
Chris@0:     m_windowSize(1024),
Chris@0:     m_windowType(HanningWindow),
Chris@97:     m_windowHopLevel(2),
Chris@109:     m_zeroPadLevel(0),
Chris@107:     m_fftSize(1024),
Chris@0:     m_gain(1.0),
Chris@215:     m_initialGain(1.0),
Chris@37:     m_threshold(0.0),
Chris@215:     m_initialThreshold(0.0),
Chris@9:     m_colourRotation(0),
Chris@215:     m_initialRotation(0),
Chris@119:     m_minFrequency(10),
Chris@0:     m_maxFrequency(8000),
Chris@135:     m_initialMaxFrequency(8000),
Chris@0:     m_colourScale(dBColourScale),
Chris@197:     m_colourMap(0),
Chris@0:     m_frequencyScale(LinearFrequencyScale),
Chris@37:     m_binDisplay(AllBins),
Chris@36:     m_normalizeColumns(false),
Chris@120:     m_normalizeVisibleArea(false),
Chris@719:     m_normalizeHybrid(false),
Chris@133:     m_lastEmittedZoomStep(-1),
Chris@390:     m_synchronous(false),
Chris@608:     m_haveDetailedScale(false),
Chris@215:     m_lastPaintBlockWidth(0),
Chris@0:     m_updateTimer(0),
Chris@44:     m_candidateFillStartFrame(0),
Chris@193:     m_exiting(false),
Chris@193:     m_sliceableModel(0)
Chris@0: {
Chris@215:     if (config == FullRangeDb) {
Chris@215:         m_initialMaxFrequency = 0;
Chris@215:         setMaxFrequency(0);
Chris@215:     } else if (config == MelodicRange) {
Chris@0: 	setWindowSize(8192);
Chris@97: 	setWindowHopLevel(4);
Chris@215:         m_initialMaxFrequency = 1500;
Chris@215: 	setMaxFrequency(1500);
Chris@215:         setMinFrequency(40);
Chris@0: 	setColourScale(LinearColourScale);
Chris@215:         setColourMap(ColourMapper::Sunset);
Chris@215:         setFrequencyScale(LogFrequencyScale);
Chris@224: //        setGain(20);
Chris@37:     } else if (config == MelodicPeaks) {
Chris@37: 	setWindowSize(4096);
Chris@97: 	setWindowHopLevel(5);
Chris@135:         m_initialMaxFrequency = 2000;
Chris@40: 	setMaxFrequency(2000);
Chris@37: 	setMinFrequency(40);
Chris@37: 	setFrequencyScale(LogFrequencyScale);
Chris@215: 	setColourScale(LinearColourScale);
Chris@37: 	setBinDisplay(PeakFrequencies);
Chris@37: 	setNormalizeColumns(true);
Chris@0:     }
Chris@110: 
Chris@122:     Preferences *prefs = Preferences::getInstance();
Chris@122:     connect(prefs, SIGNAL(propertyChanged(PropertyContainer::PropertyName)),
Chris@122:             this, SLOT(preferenceChanged(PropertyContainer::PropertyName)));
Chris@122:     setWindowType(prefs->getWindowType());
Chris@122: 
Chris@197:     initialisePalette();
Chris@0: }
Chris@0: 
Chris@0: SpectrogramLayer::~SpectrogramLayer()
Chris@0: {
Chris@0:     delete m_updateTimer;
Chris@0:     m_updateTimer = 0;
Chris@0:     
Chris@130:     invalidateFFTModels();
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: SpectrogramLayer::setModel(const DenseTimeValueModel *model)
Chris@0: {
Chris@682: //    cerr << "SpectrogramLayer(" << this << "): setModel(" << model << ")" << endl;
Chris@34: 
Chris@110:     if (model == m_model) return;
Chris@110: 
Chris@0:     m_model = model;
Chris@130:     invalidateFFTModels();
Chris@0: 
Chris@0:     if (!m_model || !m_model->isOK()) return;
Chris@0: 
Chris@320:     connectSignals(m_model);
Chris@0: 
Chris@0:     connect(m_model, SIGNAL(modelChanged()), this, SLOT(cacheInvalid()));
Chris@0:     connect(m_model, SIGNAL(modelChanged(size_t, size_t)),
Chris@0: 	    this, SLOT(cacheInvalid(size_t, size_t)));
Chris@0: 
Chris@0:     emit modelReplaced();
Chris@110: }
Chris@115: 
Chris@0: Layer::PropertyList
Chris@0: SpectrogramLayer::getProperties() const
Chris@0: {
Chris@0:     PropertyList list;
Chris@87:     list.push_back("Colour");
Chris@87:     list.push_back("Colour Scale");
Chris@87:     list.push_back("Window Size");
Chris@97:     list.push_back("Window Increment");
Chris@87:     list.push_back("Normalize Columns");
Chris@120:     list.push_back("Normalize Visible Area");
Chris@87:     list.push_back("Bin Display");
Chris@87:     list.push_back("Threshold");
Chris@87:     list.push_back("Gain");
Chris@87:     list.push_back("Colour Rotation");
Chris@153: //    list.push_back("Min Frequency");
Chris@153: //    list.push_back("Max Frequency");
Chris@87:     list.push_back("Frequency Scale");
Chris@153: ////    list.push_back("Zero Padding");
Chris@0:     return list;
Chris@0: }
Chris@0: 
Chris@87: QString
Chris@87: SpectrogramLayer::getPropertyLabel(const PropertyName &name) const
Chris@87: {
Chris@87:     if (name == "Colour") return tr("Colour");
Chris@87:     if (name == "Colour Scale") return tr("Colour Scale");
Chris@87:     if (name == "Window Size") return tr("Window Size");
Chris@112:     if (name == "Window Increment") return tr("Window Overlap");
Chris@87:     if (name == "Normalize Columns") return tr("Normalize Columns");
Chris@120:     if (name == "Normalize Visible Area") return tr("Normalize Visible Area");
Chris@87:     if (name == "Bin Display") return tr("Bin Display");
Chris@87:     if (name == "Threshold") return tr("Threshold");
Chris@87:     if (name == "Gain") return tr("Gain");
Chris@87:     if (name == "Colour Rotation") return tr("Colour Rotation");
Chris@87:     if (name == "Min Frequency") return tr("Min Frequency");
Chris@87:     if (name == "Max Frequency") return tr("Max Frequency");
Chris@87:     if (name == "Frequency Scale") return tr("Frequency Scale");
Chris@109:     if (name == "Zero Padding") return tr("Smoothing");
Chris@87:     return "";
Chris@87: }
Chris@87: 
Chris@335: QString
Chris@335: SpectrogramLayer::getPropertyIconName(const PropertyName &name) const
Chris@335: {
Chris@335:     if (name == "Normalize Columns") return "normalise-columns";
Chris@335:     if (name == "Normalize Visible Area") return "normalise";
Chris@335:     return "";
Chris@335: }
Chris@335: 
Chris@0: Layer::PropertyType
Chris@0: SpectrogramLayer::getPropertyType(const PropertyName &name) const
Chris@0: {
Chris@87:     if (name == "Gain") return RangeProperty;
Chris@87:     if (name == "Colour Rotation") return RangeProperty;
Chris@87:     if (name == "Normalize Columns") return ToggleProperty;
Chris@120:     if (name == "Normalize Visible Area") return ToggleProperty;
Chris@87:     if (name == "Threshold") return RangeProperty;
Chris@109:     if (name == "Zero Padding") return ToggleProperty;
Chris@0:     return ValueProperty;
Chris@0: }
Chris@0: 
Chris@0: QString
Chris@0: SpectrogramLayer::getPropertyGroupName(const PropertyName &name) const
Chris@0: {
Chris@153:     if (name == "Bin Display" ||
Chris@153:         name == "Frequency Scale") return tr("Bins");
Chris@87:     if (name == "Window Size" ||
Chris@109: 	name == "Window Increment" ||
Chris@109:         name == "Zero Padding") return tr("Window");
Chris@87:     if (name == "Colour" ||
Chris@87: 	name == "Threshold" ||
Chris@87: 	name == "Colour Rotation") return tr("Colour");
Chris@87:     if (name == "Normalize Columns" ||
Chris@120:         name == "Normalize Visible Area" ||
Chris@153:         name == "Gain" ||
Chris@87: 	name == "Colour Scale") return tr("Scale");
Chris@0:     return QString();
Chris@0: }
Chris@0: 
Chris@0: int
Chris@0: SpectrogramLayer::getPropertyRangeAndValue(const PropertyName &name,
Chris@216: 					   int *min, int *max, int *deflt) const
Chris@0: {
Chris@216:     int val = 0;
Chris@216: 
Chris@216:     int garbage0, garbage1, garbage2;
Chris@55:     if (!min) min = &garbage0;
Chris@55:     if (!max) max = &garbage1;
Chris@216:     if (!deflt) deflt = &garbage2;
Chris@10: 
Chris@87:     if (name == "Gain") {
Chris@0: 
Chris@0: 	*min = -50;
Chris@0: 	*max = 50;
Chris@0: 
Chris@216:         *deflt = lrintf(log10(m_initialGain) * 20.0);;
Chris@216: 	if (*deflt < *min) *deflt = *min;
Chris@216: 	if (*deflt > *max) *deflt = *max;
Chris@216: 
Chris@216: 	val = lrintf(log10(m_gain) * 20.0);
Chris@216: 	if (val < *min) val = *min;
Chris@216: 	if (val > *max) val = *max;
Chris@0: 
Chris@87:     } else if (name == "Threshold") {
Chris@37: 
Chris@37: 	*min = -50;
Chris@37: 	*max = 0;
Chris@37: 
Chris@216:         *deflt = lrintf(AudioLevel::multiplier_to_dB(m_initialThreshold));
Chris@216: 	if (*deflt < *min) *deflt = *min;
Chris@216: 	if (*deflt > *max) *deflt = *max;
Chris@216: 
Chris@216: 	val = lrintf(AudioLevel::multiplier_to_dB(m_threshold));
Chris@216: 	if (val < *min) val = *min;
Chris@216: 	if (val > *max) val = *max;
Chris@37: 
Chris@87:     } else if (name == "Colour Rotation") {
Chris@9: 
Chris@9: 	*min = 0;
Chris@9: 	*max = 256;
Chris@216:         *deflt = m_initialRotation;
Chris@216: 
Chris@216: 	val = m_colourRotation;
Chris@9: 
Chris@87:     } else if (name == "Colour Scale") {
Chris@0: 
Chris@0: 	*min = 0;
Chris@176: 	*max = 4;
Chris@216:         *deflt = int(dBColourScale);
Chris@216: 
Chris@216: 	val = (int)m_colourScale;
Chris@0: 
Chris@87:     } else if (name == "Colour") {
Chris@0: 
Chris@0: 	*min = 0;
Chris@196: 	*max = ColourMapper::getColourMapCount() - 1;
Chris@216:         *deflt = 0;
Chris@216: 
Chris@216: 	val = m_colourMap;
Chris@0: 
Chris@87:     } else if (name == "Window Size") {
Chris@0: 
Chris@0: 	*min = 0;
Chris@0: 	*max = 10;
Chris@216:         *deflt = 5;
Chris@0: 	
Chris@216: 	val = 0;
Chris@0: 	int ws = m_windowSize;
Chris@216: 	while (ws > 32) { ws >>= 1; val ++; }
Chris@0: 
Chris@97:     } else if (name == "Window Increment") {
Chris@0: 	
Chris@0: 	*min = 0;
Chris@97: 	*max = 5;
Chris@216:         *deflt = 2;
Chris@216: 
Chris@216:         val = m_windowHopLevel;
Chris@0:     
Chris@109:     } else if (name == "Zero Padding") {
Chris@109: 	
Chris@109: 	*min = 0;
Chris@109: 	*max = 1;
Chris@216:         *deflt = 0;
Chris@109: 	
Chris@216:         val = m_zeroPadLevel > 0 ? 1 : 0;
Chris@109:     
Chris@87:     } else if (name == "Min Frequency") {
Chris@37: 
Chris@37: 	*min = 0;
Chris@37: 	*max = 9;
Chris@216:         *deflt = 1;
Chris@37: 
Chris@37: 	switch (m_minFrequency) {
Chris@216: 	case 0: default: val = 0; break;
Chris@216: 	case 10: val = 1; break;
Chris@216: 	case 20: val = 2; break;
Chris@216: 	case 40: val = 3; break;
Chris@216: 	case 100: val = 4; break;
Chris@216: 	case 250: val = 5; break;
Chris@216: 	case 500: val = 6; break;
Chris@216: 	case 1000: val = 7; break;
Chris@216: 	case 4000: val = 8; break;
Chris@216: 	case 10000: val = 9; break;
Chris@37: 	}
Chris@37:     
Chris@87:     } else if (name == "Max Frequency") {
Chris@0: 
Chris@0: 	*min = 0;
Chris@0: 	*max = 9;
Chris@216:         *deflt = 6;
Chris@0: 
Chris@0: 	switch (m_maxFrequency) {
Chris@216: 	case 500: val = 0; break;
Chris@216: 	case 1000: val = 1; break;
Chris@216: 	case 1500: val = 2; break;
Chris@216: 	case 2000: val = 3; break;
Chris@216: 	case 4000: val = 4; break;
Chris@216: 	case 6000: val = 5; break;
Chris@216: 	case 8000: val = 6; break;
Chris@216: 	case 12000: val = 7; break;
Chris@216: 	case 16000: val = 8; break;
Chris@216: 	default: val = 9; break;
Chris@0: 	}
Chris@0: 
Chris@87:     } else if (name == "Frequency Scale") {
Chris@0: 
Chris@0: 	*min = 0;
Chris@0: 	*max = 1;
Chris@216:         *deflt = int(LinearFrequencyScale);
Chris@216: 	val = (int)m_frequencyScale;
Chris@0: 
Chris@87:     } else if (name == "Bin Display") {
Chris@35: 
Chris@35: 	*min = 0;
Chris@35: 	*max = 2;
Chris@216:         *deflt = int(AllBins);
Chris@216: 	val = (int)m_binDisplay;
Chris@35: 
Chris@87:     } else if (name == "Normalize Columns") {
Chris@36: 	
Chris@216:         *deflt = 0;
Chris@216: 	val = (m_normalizeColumns ? 1 : 0);
Chris@36: 
Chris@120:     } else if (name == "Normalize Visible Area") {
Chris@120: 	
Chris@216:         *deflt = 0;
Chris@216: 	val = (m_normalizeVisibleArea ? 1 : 0);
Chris@120: 
Chris@0:     } else {
Chris@216: 	val = Layer::getPropertyRangeAndValue(name, min, max, deflt);
Chris@0:     }
Chris@0: 
Chris@216:     return val;
Chris@0: }
Chris@0: 
Chris@0: QString
Chris@0: SpectrogramLayer::getPropertyValueLabel(const PropertyName &name,
Chris@9: 					int value) const
Chris@0: {
Chris@87:     if (name == "Colour") {
Chris@196:         return ColourMapper::getColourMapName(value);
Chris@0:     }
Chris@87:     if (name == "Colour Scale") {
Chris@0: 	switch (value) {
Chris@0: 	default:
Chris@37: 	case 0: return tr("Linear");
Chris@37: 	case 1: return tr("Meter");
Chris@215: 	case 2: return tr("dBV^2");
Chris@215: 	case 3: return tr("dBV");
Chris@119: 	case 4: return tr("Phase");
Chris@0: 	}
Chris@0:     }
Chris@87:     if (name == "Window Size") {
Chris@0: 	return QString("%1").arg(32 << value);
Chris@0:     }
Chris@97:     if (name == "Window Increment") {
Chris@0: 	switch (value) {
Chris@0: 	default:
Chris@112: 	case 0: return tr("None");
Chris@112: 	case 1: return tr("25 %");
Chris@112: 	case 2: return tr("50 %");
Chris@112: 	case 3: return tr("75 %");
Chris@112: 	case 4: return tr("87.5 %");
Chris@112: 	case 5: return tr("93.75 %");
Chris@0: 	}
Chris@0:     }
Chris@109:     if (name == "Zero Padding") {
Chris@109:         if (value == 0) return tr("None");
Chris@109:         return QString("%1x").arg(value + 1);
Chris@109:     }
Chris@87:     if (name == "Min Frequency") {
Chris@37: 	switch (value) {
Chris@37: 	default:
Chris@38: 	case 0: return tr("No min");
Chris@37: 	case 1: return tr("10 Hz");
Chris@37: 	case 2: return tr("20 Hz");
Chris@37: 	case 3: return tr("40 Hz");
Chris@37: 	case 4: return tr("100 Hz");
Chris@37: 	case 5: return tr("250 Hz");
Chris@37: 	case 6: return tr("500 Hz");
Chris@37: 	case 7: return tr("1 KHz");
Chris@37: 	case 8: return tr("4 KHz");
Chris@37: 	case 9: return tr("10 KHz");
Chris@37: 	}
Chris@37:     }
Chris@87:     if (name == "Max Frequency") {
Chris@0: 	switch (value) {
Chris@0: 	default:
Chris@0: 	case 0: return tr("500 Hz");
Chris@0: 	case 1: return tr("1 KHz");
Chris@0: 	case 2: return tr("1.5 KHz");
Chris@0: 	case 3: return tr("2 KHz");
Chris@0: 	case 4: return tr("4 KHz");
Chris@0: 	case 5: return tr("6 KHz");
Chris@0: 	case 6: return tr("8 KHz");
Chris@0: 	case 7: return tr("12 KHz");
Chris@0: 	case 8: return tr("16 KHz");
Chris@38: 	case 9: return tr("No max");
Chris@0: 	}
Chris@0:     }
Chris@87:     if (name == "Frequency Scale") {
Chris@0: 	switch (value) {
Chris@0: 	default:
Chris@0: 	case 0: return tr("Linear");
Chris@0: 	case 1: return tr("Log");
Chris@0: 	}
Chris@0:     }
Chris@87:     if (name == "Bin Display") {
Chris@35: 	switch (value) {
Chris@35: 	default:
Chris@37: 	case 0: return tr("All Bins");
Chris@37: 	case 1: return tr("Peak Bins");
Chris@37: 	case 2: return tr("Frequencies");
Chris@35: 	}
Chris@35:     }
Chris@0:     return tr("<unknown>");
Chris@0: }
Chris@0: 
Chris@167: RangeMapper *
Chris@167: SpectrogramLayer::getNewPropertyRangeMapper(const PropertyName &name) const
Chris@167: {
Chris@167:     if (name == "Gain") {
Chris@167:         return new LinearRangeMapper(-50, 50, -25, 25, tr("dB"));
Chris@167:     }
Chris@167:     if (name == "Threshold") {
Chris@167:         return new LinearRangeMapper(-50, 0, -50, 0, tr("dB"));
Chris@167:     }
Chris@167:     return 0;
Chris@167: }
Chris@167: 
Chris@0: void
Chris@0: SpectrogramLayer::setProperty(const PropertyName &name, int value)
Chris@0: {
Chris@87:     if (name == "Gain") {
Chris@0: 	setGain(pow(10, float(value)/20.0));
Chris@87:     } else if (name == "Threshold") {
Chris@37: 	if (value == -50) setThreshold(0.0);
Chris@37: 	else setThreshold(AudioLevel::dB_to_multiplier(value));
Chris@87:     } else if (name == "Colour Rotation") {
Chris@9: 	setColourRotation(value);
Chris@87:     } else if (name == "Colour") {
Chris@197:         setColourMap(value);
Chris@87:     } else if (name == "Window Size") {
Chris@0: 	setWindowSize(32 << value);
Chris@97:     } else if (name == "Window Increment") {
Chris@97:         setWindowHopLevel(value);
Chris@109:     } else if (name == "Zero Padding") {
Chris@109:         setZeroPadLevel(value > 0.1 ? 3 : 0);
Chris@87:     } else if (name == "Min Frequency") {
Chris@37: 	switch (value) {
Chris@37: 	default:
Chris@37: 	case 0: setMinFrequency(0); break;
Chris@37: 	case 1: setMinFrequency(10); break;
Chris@37: 	case 2: setMinFrequency(20); break;
Chris@37: 	case 3: setMinFrequency(40); break;
Chris@37: 	case 4: setMinFrequency(100); break;
Chris@37: 	case 5: setMinFrequency(250); break;
Chris@37: 	case 6: setMinFrequency(500); break;
Chris@37: 	case 7: setMinFrequency(1000); break;
Chris@37: 	case 8: setMinFrequency(4000); break;
Chris@37: 	case 9: setMinFrequency(10000); break;
Chris@37: 	}
Chris@133:         int vs = getCurrentVerticalZoomStep();
Chris@133:         if (vs != m_lastEmittedZoomStep) {
Chris@133:             emit verticalZoomChanged();
Chris@133:             m_lastEmittedZoomStep = vs;
Chris@133:         }
Chris@87:     } else if (name == "Max Frequency") {
Chris@0: 	switch (value) {
Chris@0: 	case 0: setMaxFrequency(500); break;
Chris@0: 	case 1: setMaxFrequency(1000); break;
Chris@0: 	case 2: setMaxFrequency(1500); break;
Chris@0: 	case 3: setMaxFrequency(2000); break;
Chris@0: 	case 4: setMaxFrequency(4000); break;
Chris@0: 	case 5: setMaxFrequency(6000); break;
Chris@0: 	case 6: setMaxFrequency(8000); break;
Chris@0: 	case 7: setMaxFrequency(12000); break;
Chris@0: 	case 8: setMaxFrequency(16000); break;
Chris@0: 	default:
Chris@0: 	case 9: setMaxFrequency(0); break;
Chris@0: 	}
Chris@133:         int vs = getCurrentVerticalZoomStep();
Chris@133:         if (vs != m_lastEmittedZoomStep) {
Chris@133:             emit verticalZoomChanged();
Chris@133:             m_lastEmittedZoomStep = vs;
Chris@133:         }
Chris@87:     } else if (name == "Colour Scale") {
Chris@0: 	switch (value) {
Chris@0: 	default:
Chris@0: 	case 0: setColourScale(LinearColourScale); break;
Chris@0: 	case 1: setColourScale(MeterColourScale); break;
Chris@215: 	case 2: setColourScale(dBSquaredColourScale); break;
Chris@215: 	case 3: setColourScale(dBColourScale); break;
Chris@119: 	case 4: setColourScale(PhaseColourScale); break;
Chris@0: 	}
Chris@87:     } else if (name == "Frequency Scale") {
Chris@0: 	switch (value) {
Chris@0: 	default:
Chris@0: 	case 0: setFrequencyScale(LinearFrequencyScale); break;
Chris@0: 	case 1: setFrequencyScale(LogFrequencyScale); break;
Chris@0: 	}
Chris@87:     } else if (name == "Bin Display") {
Chris@35: 	switch (value) {
Chris@35: 	default:
Chris@37: 	case 0: setBinDisplay(AllBins); break;
Chris@37: 	case 1: setBinDisplay(PeakBins); break;
Chris@37: 	case 2: setBinDisplay(PeakFrequencies); break;
Chris@35: 	}
Chris@82:     } else if (name == "Normalize Columns") {
Chris@36: 	setNormalizeColumns(value ? true : false);
Chris@120:     } else if (name == "Normalize Visible Area") {
Chris@120: 	setNormalizeVisibleArea(value ? true : false);
Chris@0:     }
Chris@0: }
Chris@0: 
Chris@0: void
Chris@478: SpectrogramLayer::invalidateImageCaches()
Chris@95: {
Chris@478:     for (ViewImageCache::iterator i = m_imageCaches.begin();
Chris@478:          i != m_imageCaches.end(); ++i) {
Chris@95:         i->second.validArea = QRect();
Chris@95:     }
Chris@95: }
Chris@95: 
Chris@95: void
Chris@478: SpectrogramLayer::invalidateImageCaches(size_t startFrame, size_t endFrame)
Chris@95: {
Chris@478:     for (ViewImageCache::iterator i = m_imageCaches.begin();
Chris@478:          i != m_imageCaches.end(); ++i) {
Chris@131: 
Chris@95:         //!!! when are views removed from the map? on setLayerDormant?
Chris@95:         const View *v = i->first;
Chris@95: 
Chris@391: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:         SVDEBUG << "SpectrogramLayer::invalidateImageCaches(" 
Chris@391:                   << startFrame << ", " << endFrame << "): view range is "
Chris@391:                   << v->getStartFrame() << ", " << v->getEndFrame()
Chris@585:                   << endl;
Chris@391: 
Chris@682:         cerr << "Valid area was: " << i->second.validArea.x() << ", "
Chris@391:                   << i->second.validArea.y() << " "
Chris@391:                   << i->second.validArea.width() << "x"
Chris@682:                   << i->second.validArea.height() << endl;
Chris@391: #endif
Chris@391: 
Chris@391:         if (long(startFrame) > v->getStartFrame()) {
Chris@391:             if (startFrame >= v->getEndFrame()) {
Chris@391: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:                 cerr << "Modified start frame is off right of view" << endl;
Chris@391: #endif
Chris@391:                 return;
Chris@391:             }
Chris@391:             int x = v->getXForFrame(startFrame);
Chris@407: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:             SVDEBUG << "clipping from 0 to " << x-1 << endl;
Chris@407: #endif
Chris@391:             if (x > 1) {
Chris@391:                 i->second.validArea &=
Chris@391:                     QRect(0, 0, x-1, v->height());
Chris@391:             } else {
Chris@391:                 i->second.validArea = QRect();
Chris@391:             }
Chris@391:         } else {
Chris@391:             if (long(endFrame) < v->getStartFrame()) {
Chris@391: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:                 cerr << "Modified end frame is off left of view" << endl;
Chris@391: #endif
Chris@391:                 return;
Chris@391:             }
Chris@391:             int x = v->getXForFrame(endFrame);
Chris@391: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:             SVDEBUG << "clipping from " << x+1 << " to " << v->width()
Chris@585:                       << endl;
Chris@391: #endif
Chris@391:             if (x < v->width()) {
Chris@391:                 i->second.validArea &=
Chris@391:                     QRect(x+1, 0, v->width()-(x+1), v->height());
Chris@391:             } else {
Chris@391:                 i->second.validArea = QRect();
Chris@391:             }
Chris@95:         }
Chris@391: 
Chris@391: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:         cerr << "Valid area is now: " << i->second.validArea.x() << ", "
Chris@391:                   << i->second.validArea.y() << " "
Chris@391:                   << i->second.validArea.width() << "x"
Chris@682:                   << i->second.validArea.height() << endl;
Chris@391: #endif
Chris@95:     }
Chris@95: }
Chris@95: 
Chris@95: void
Chris@122: SpectrogramLayer::preferenceChanged(PropertyContainer::PropertyName name)
Chris@122: {
Chris@587:     SVDEBUG << "SpectrogramLayer::preferenceChanged(" << name << ")" << endl;
Chris@122: 
Chris@122:     if (name == "Window Type") {
Chris@122:         setWindowType(Preferences::getInstance()->getWindowType());
Chris@122:         return;
Chris@122:     }
Chris@490:     if (name == "Spectrogram Y Smoothing") {
Chris@490:         invalidateImageCaches();
Chris@490:         invalidateMagnitudes();
Chris@490:         emit layerParametersChanged();
Chris@490:     }
Chris@490:     if (name == "Spectrogram X Smoothing") {
Chris@478:         invalidateImageCaches();
Chris@122:         invalidateMagnitudes();
Chris@122:         emit layerParametersChanged();
Chris@122:     }
Chris@122:     if (name == "Tuning Frequency") {
Chris@122:         emit layerParametersChanged();
Chris@122:     }
Chris@122: }
Chris@122: 
Chris@122: void
Chris@0: SpectrogramLayer::setChannel(int ch)
Chris@0: {
Chris@0:     if (m_channel == ch) return;
Chris@0: 
Chris@478:     invalidateImageCaches();
Chris@0:     m_channel = ch;
Chris@130:     invalidateFFTModels();
Chris@9: 
Chris@0:     emit layerParametersChanged();
Chris@0: }
Chris@0: 
Chris@0: int
Chris@0: SpectrogramLayer::getChannel() const
Chris@0: {
Chris@0:     return m_channel;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: SpectrogramLayer::setWindowSize(size_t ws)
Chris@0: {
Chris@0:     if (m_windowSize == ws) return;
Chris@0: 
Chris@478:     invalidateImageCaches();
Chris@0:     
Chris@0:     m_windowSize = ws;
Chris@109:     m_fftSize = ws * (m_zeroPadLevel + 1);
Chris@0:     
Chris@130:     invalidateFFTModels();
Chris@9: 
Chris@9:     emit layerParametersChanged();
Chris@0: }
Chris@0: 
Chris@0: size_t
Chris@0: SpectrogramLayer::getWindowSize() const
Chris@0: {
Chris@0:     return m_windowSize;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@97: SpectrogramLayer::setWindowHopLevel(size_t v)
Chris@0: {
Chris@97:     if (m_windowHopLevel == v) return;
Chris@0: 
Chris@478:     invalidateImageCaches();
Chris@0:     
Chris@97:     m_windowHopLevel = v;
Chris@0:     
Chris@130:     invalidateFFTModels();
Chris@9: 
Chris@9:     emit layerParametersChanged();
Chris@9: 
Chris@110: //    fillCache();
Chris@0: }
Chris@0: 
Chris@0: size_t
Chris@97: SpectrogramLayer::getWindowHopLevel() const
Chris@0: {
Chris@97:     return m_windowHopLevel;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@109: SpectrogramLayer::setZeroPadLevel(size_t v)
Chris@109: {
Chris@109:     if (m_zeroPadLevel == v) return;
Chris@109: 
Chris@478:     invalidateImageCaches();
Chris@109:     
Chris@109:     m_zeroPadLevel = v;
Chris@109:     m_fftSize = m_windowSize * (v + 1);
Chris@110: 
Chris@130:     invalidateFFTModels();
Chris@109: 
Chris@109:     emit layerParametersChanged();
Chris@109: }
Chris@109: 
Chris@109: size_t
Chris@109: SpectrogramLayer::getZeroPadLevel() const
Chris@109: {
Chris@109:     return m_zeroPadLevel;
Chris@109: }
Chris@109: 
Chris@109: void
Chris@0: SpectrogramLayer::setWindowType(WindowType w)
Chris@0: {
Chris@0:     if (m_windowType == w) return;
Chris@0: 
Chris@478:     invalidateImageCaches();
Chris@0:     
Chris@0:     m_windowType = w;
Chris@110: 
Chris@130:     invalidateFFTModels();
Chris@9: 
Chris@9:     emit layerParametersChanged();
Chris@0: }
Chris@0: 
Chris@0: WindowType
Chris@0: SpectrogramLayer::getWindowType() const
Chris@0: {
Chris@0:     return m_windowType;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: SpectrogramLayer::setGain(float gain)
Chris@0: {
Chris@587: //    SVDEBUG << "SpectrogramLayer::setGain(" << gain << ") (my gain is now "
Chris@585: //	      << m_gain << ")" << endl;
Chris@55: 
Chris@40:     if (m_gain == gain) return;
Chris@0: 
Chris@478:     invalidateImageCaches();
Chris@0:     
Chris@0:     m_gain = gain;
Chris@0:     
Chris@9:     emit layerParametersChanged();
Chris@0: }
Chris@0: 
Chris@0: float
Chris@0: SpectrogramLayer::getGain() const
Chris@0: {
Chris@0:     return m_gain;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@37: SpectrogramLayer::setThreshold(float threshold)
Chris@37: {
Chris@40:     if (m_threshold == threshold) return;
Chris@37: 
Chris@478:     invalidateImageCaches();
Chris@37:     
Chris@37:     m_threshold = threshold;
Chris@37: 
Chris@37:     emit layerParametersChanged();
Chris@37: }
Chris@37: 
Chris@37: float
Chris@37: SpectrogramLayer::getThreshold() const
Chris@37: {
Chris@37:     return m_threshold;
Chris@37: }
Chris@37: 
Chris@37: void
Chris@37: SpectrogramLayer::setMinFrequency(size_t mf)
Chris@37: {
Chris@37:     if (m_minFrequency == mf) return;
Chris@37: 
Chris@587: //    SVDEBUG << "SpectrogramLayer::setMinFrequency: " << mf << endl;
Chris@187: 
Chris@478:     invalidateImageCaches();
Chris@119:     invalidateMagnitudes();
Chris@37:     
Chris@37:     m_minFrequency = mf;
Chris@37: 
Chris@37:     emit layerParametersChanged();
Chris@37: }
Chris@37: 
Chris@37: size_t
Chris@37: SpectrogramLayer::getMinFrequency() const
Chris@37: {
Chris@37:     return m_minFrequency;
Chris@37: }
Chris@37: 
Chris@37: void
Chris@0: SpectrogramLayer::setMaxFrequency(size_t mf)
Chris@0: {
Chris@0:     if (m_maxFrequency == mf) return;
Chris@0: 
Chris@587: //    SVDEBUG << "SpectrogramLayer::setMaxFrequency: " << mf << endl;
Chris@187: 
Chris@478:     invalidateImageCaches();
Chris@119:     invalidateMagnitudes();
Chris@0:     
Chris@0:     m_maxFrequency = mf;
Chris@0:     
Chris@9:     emit layerParametersChanged();
Chris@0: }
Chris@0: 
Chris@0: size_t
Chris@0: SpectrogramLayer::getMaxFrequency() const
Chris@0: {
Chris@0:     return m_maxFrequency;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@9: SpectrogramLayer::setColourRotation(int r)
Chris@9: {
Chris@478:     invalidateImageCaches();
Chris@9: 
Chris@9:     if (r < 0) r = 0;
Chris@9:     if (r > 256) r = 256;
Chris@9:     int distance = r - m_colourRotation;
Chris@9: 
Chris@9:     if (distance != 0) {
Chris@197: 	rotatePalette(-distance);
Chris@9: 	m_colourRotation = r;
Chris@9:     }
Chris@9:     
Chris@9:     emit layerParametersChanged();
Chris@9: }
Chris@9: 
Chris@9: void
Chris@0: SpectrogramLayer::setColourScale(ColourScale colourScale)
Chris@0: {
Chris@0:     if (m_colourScale == colourScale) return;
Chris@0: 
Chris@478:     invalidateImageCaches();
Chris@0:     
Chris@0:     m_colourScale = colourScale;
Chris@0:     
Chris@9:     emit layerParametersChanged();
Chris@0: }
Chris@0: 
Chris@0: SpectrogramLayer::ColourScale
Chris@0: SpectrogramLayer::getColourScale() const
Chris@0: {
Chris@0:     return m_colourScale;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@197: SpectrogramLayer::setColourMap(int map)
Chris@0: {
Chris@197:     if (m_colourMap == map) return;
Chris@0: 
Chris@478:     invalidateImageCaches();
Chris@0:     
Chris@197:     m_colourMap = map;
Chris@197:     initialisePalette();
Chris@9: 
Chris@0:     emit layerParametersChanged();
Chris@0: }
Chris@0: 
Chris@196: int
Chris@197: SpectrogramLayer::getColourMap() const
Chris@0: {
Chris@197:     return m_colourMap;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: SpectrogramLayer::setFrequencyScale(FrequencyScale frequencyScale)
Chris@0: {
Chris@0:     if (m_frequencyScale == frequencyScale) return;
Chris@0: 
Chris@478:     invalidateImageCaches();
Chris@0:     m_frequencyScale = frequencyScale;
Chris@9: 
Chris@9:     emit layerParametersChanged();
Chris@0: }
Chris@0: 
Chris@0: SpectrogramLayer::FrequencyScale
Chris@0: SpectrogramLayer::getFrequencyScale() const
Chris@0: {
Chris@0:     return m_frequencyScale;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@37: SpectrogramLayer::setBinDisplay(BinDisplay binDisplay)
Chris@35: {
Chris@37:     if (m_binDisplay == binDisplay) return;
Chris@35: 
Chris@478:     invalidateImageCaches();
Chris@37:     m_binDisplay = binDisplay;
Chris@35: 
Chris@35:     emit layerParametersChanged();
Chris@35: }
Chris@35: 
Chris@37: SpectrogramLayer::BinDisplay
Chris@37: SpectrogramLayer::getBinDisplay() const
Chris@35: {
Chris@37:     return m_binDisplay;
Chris@35: }
Chris@35: 
Chris@35: void
Chris@36: SpectrogramLayer::setNormalizeColumns(bool n)
Chris@36: {
Chris@36:     if (m_normalizeColumns == n) return;
Chris@36: 
Chris@478:     invalidateImageCaches();
Chris@119:     invalidateMagnitudes();
Chris@36:     m_normalizeColumns = n;
Chris@36: 
Chris@36:     emit layerParametersChanged();
Chris@36: }
Chris@36: 
Chris@36: bool
Chris@36: SpectrogramLayer::getNormalizeColumns() const
Chris@36: {
Chris@36:     return m_normalizeColumns;
Chris@36: }
Chris@36: 
Chris@36: void
Chris@719: SpectrogramLayer::setNormalizeHybrid(bool n)
Chris@719: {
Chris@719:     if (m_normalizeHybrid == n) return;
Chris@719: 
Chris@719:     invalidateImageCaches();
Chris@719:     invalidateMagnitudes();
Chris@719:     m_normalizeHybrid = n;
Chris@719: 
Chris@719:     emit layerParametersChanged();
Chris@719: }
Chris@719: 
Chris@719: bool
Chris@719: SpectrogramLayer::getNormalizeHybrid() const
Chris@719: {
Chris@719:     return m_normalizeHybrid;
Chris@719: }
Chris@719: 
Chris@719: void
Chris@120: SpectrogramLayer::setNormalizeVisibleArea(bool n)
Chris@120: {
Chris@587:     SVDEBUG << "SpectrogramLayer::setNormalizeVisibleArea(" << n
Chris@585:               << ") (from " << m_normalizeVisibleArea << ")" << endl;
Chris@327: 
Chris@120:     if (m_normalizeVisibleArea == n) return;
Chris@120: 
Chris@478:     invalidateImageCaches();
Chris@120:     invalidateMagnitudes();
Chris@120:     m_normalizeVisibleArea = n;
Chris@120: 
Chris@120:     emit layerParametersChanged();
Chris@120: }
Chris@120: 
Chris@120: bool
Chris@120: SpectrogramLayer::getNormalizeVisibleArea() const
Chris@120: {
Chris@120:     return m_normalizeVisibleArea;
Chris@120: }
Chris@120: 
Chris@120: void
Chris@47: SpectrogramLayer::setLayerDormant(const View *v, bool dormant)
Chris@29: {
Chris@33:     if (dormant) {
Chris@33: 
Chris@331: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:         SVDEBUG << "SpectrogramLayer::setLayerDormant(" << dormant << ")"
Chris@585:                   << endl;
Chris@331: #endif
Chris@331: 
Chris@131:         if (isLayerDormant(v)) {
Chris@131:             return;
Chris@131:         }
Chris@131: 
Chris@131:         Layer::setLayerDormant(v, true);
Chris@33: 
Chris@478: 	invalidateImageCaches();
Chris@478:         m_imageCaches.erase(v);
Chris@114: 
Chris@130:         if (m_fftModels.find(v) != m_fftModels.end()) {
Chris@193: 
Chris@193:             if (m_sliceableModel == m_fftModels[v].first) {
Chris@193:                 bool replaced = false;
Chris@193:                 for (ViewFFTMap::iterator i = m_fftModels.begin();
Chris@193:                      i != m_fftModels.end(); ++i) {
Chris@193:                     if (i->second.first != m_sliceableModel) {
Chris@193:                         emit sliceableModelReplaced(m_sliceableModel, i->second.first);
Chris@193:                         replaced = true;
Chris@193:                         break;
Chris@193:                     }
Chris@193:                 }
Chris@193:                 if (!replaced) emit sliceableModelReplaced(m_sliceableModel, 0);
Chris@193:             }
Chris@193: 
Chris@130:             delete m_fftModels[v].first;
Chris@130:             m_fftModels.erase(v);
Chris@484: 
Chris@484:             delete m_peakCaches[v];
Chris@484:             m_peakCaches.erase(v);
Chris@114:         }
Chris@33: 	
Chris@33:     } else {
Chris@33: 
Chris@131:         Layer::setLayerDormant(v, false);
Chris@33:     }
Chris@29: }
Chris@29: 
Chris@29: void
Chris@0: SpectrogramLayer::cacheInvalid()
Chris@0: {
Chris@391: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:     SVDEBUG << "SpectrogramLayer::cacheInvalid()" << endl;
Chris@391: #endif
Chris@391: 
Chris@478:     invalidateImageCaches();
Chris@119:     invalidateMagnitudes();
Chris@0: }
Chris@0: 
Chris@0: void
Chris@391: SpectrogramLayer::cacheInvalid(size_t from, size_t to)
Chris@0: {
Chris@391: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:     SVDEBUG << "SpectrogramLayer::cacheInvalid(" << from << ", " << to << ")" << endl;
Chris@391: #endif
Chris@391: 
Chris@478:     invalidateImageCaches(from, to);
Chris@391:     invalidateMagnitudes();
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: SpectrogramLayer::fillTimerTimedOut()
Chris@0: {
Chris@115:     if (!m_model) return;
Chris@115: 
Chris@115:     bool allDone = true;
Chris@115: 
Chris@184: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:     SVDEBUG << "SpectrogramLayer::fillTimerTimedOut: have " << m_fftModels.size() << " FFT models associated with views" << endl;
Chris@184: #endif
Chris@184: 
Chris@130:     for (ViewFFTMap::iterator i = m_fftModels.begin();
Chris@130:          i != m_fftModels.end(); ++i) {
Chris@115: 
Chris@130:         const FFTModel *model = i->second.first;
Chris@115:         size_t lastFill = i->second.second;
Chris@115: 
Chris@130:         if (model) {
Chris@130: 
Chris@130:             size_t fill = model->getFillExtent();
Chris@115: 
Chris@0: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:             SVDEBUG << "SpectrogramLayer::fillTimerTimedOut: extent for " << model << ": " << fill << ", last " << lastFill << ", total " << m_model->getEndFrame() << endl;
Chris@0: #endif
Chris@115: 
Chris@115:             if (fill >= lastFill) {
Chris@115:                 if (fill >= m_model->getEndFrame() && lastFill > 0) {
Chris@0: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:                     cerr << "complete!" << endl;
Chris@0: #endif
Chris@478:                     invalidateImageCaches();
Chris@184:                     i->second.second = -1;
Chris@115:                     emit modelChanged();
Chris@115: 
Chris@115:                 } else if (fill > lastFill) {
Chris@0: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:                     cerr << "SpectrogramLayer: emitting modelChanged("
Chris@682:                               << lastFill << "," << fill << ")" << endl;
Chris@0: #endif
Chris@478:                     invalidateImageCaches(lastFill, fill);
Chris@184:                     i->second.second = fill;
Chris@115:                     emit modelChanged(lastFill, fill);
Chris@115:                 }
Chris@115:             } else {
Chris@0: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:                 cerr << "SpectrogramLayer: going backwards, emitting modelChanged("
Chris@682:                           << m_model->getStartFrame() << "," << m_model->getEndFrame() << ")" << endl;
Chris@0: #endif
Chris@478:                 invalidateImageCaches();
Chris@184:                 i->second.second = fill;
Chris@115:                 emit modelChanged(m_model->getStartFrame(), m_model->getEndFrame());
Chris@115:             }
Chris@115: 
Chris@115:             if (i->second.second >= 0) {
Chris@115:                 allDone = false;
Chris@115:             }
Chris@115:         }
Chris@0:     }
Chris@115: 
Chris@115:     if (allDone) {
Chris@115: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:         cerr << "SpectrogramLayer: all complete!" << endl;
Chris@115: #endif
Chris@115:         delete m_updateTimer;
Chris@115:         m_updateTimer = 0;
Chris@115:     }
Chris@0: }
Chris@0: 
Chris@224: bool
Chris@224: SpectrogramLayer::hasLightBackground() const 
Chris@224: {
Chris@287:     return ColourMapper(m_colourMap, 1.f, 255.f).hasLightBackground();
Chris@224: }
Chris@224: 
Chris@0: void
Chris@197: SpectrogramLayer::initialisePalette()
Chris@0: {
Chris@10:     int formerRotation = m_colourRotation;
Chris@10: 
Chris@197:     if (m_colourMap == (int)ColourMapper::BlackOnWhite) {
Chris@197: 	m_palette.setColour(NO_VALUE, Qt::white);
Chris@38:     } else {
Chris@197: 	m_palette.setColour(NO_VALUE, Qt::black);
Chris@38:     }
Chris@0: 
Chris@197:     ColourMapper mapper(m_colourMap, 1.f, 255.f);
Chris@196:     
Chris@0:     for (int pixel = 1; pixel < 256; ++pixel) {
Chris@197:         m_palette.setColour(pixel, mapper.map(pixel));
Chris@0:     }
Chris@9: 
Chris@196:     m_crosshairColour = mapper.getContrastingColour();
Chris@196: 
Chris@9:     m_colourRotation = 0;
Chris@197:     rotatePalette(m_colourRotation - formerRotation);
Chris@10:     m_colourRotation = formerRotation;
Chris@478: 
Chris@478:     m_drawBuffer = QImage();
Chris@9: }
Chris@9: 
Chris@9: void
Chris@197: SpectrogramLayer::rotatePalette(int distance)
Chris@9: {
Chris@31:     QColor newPixels[256];
Chris@9: 
Chris@197:     newPixels[NO_VALUE] = m_palette.getColour(NO_VALUE);
Chris@9: 
Chris@9:     for (int pixel = 1; pixel < 256; ++pixel) {
Chris@9: 	int target = pixel + distance;
Chris@9: 	while (target < 1) target += 255;
Chris@9: 	while (target > 255) target -= 255;
Chris@197: 	newPixels[target] = m_palette.getColour(pixel);
Chris@9:     }
Chris@9: 
Chris@9:     for (int pixel = 0; pixel < 256; ++pixel) {
Chris@197: 	m_palette.setColour(pixel, newPixels[pixel]);
Chris@9:     }
Chris@478: 
Chris@478:     m_drawBuffer = QImage();
Chris@0: }
Chris@0: 
Chris@38: unsigned char
Chris@119: SpectrogramLayer::getDisplayValue(View *v, float input) const
Chris@38: {
Chris@38:     int value;
Chris@37: 
Chris@120:     float min = 0.f;
Chris@120:     float max = 1.f;
Chris@120: 
Chris@120:     if (m_normalizeVisibleArea) {
Chris@120:         min = m_viewMags[v].getMin();
Chris@120:         max = m_viewMags[v].getMax();
Chris@120:     } else if (!m_normalizeColumns) {
Chris@224:         if (m_colourScale == LinearColourScale //||
Chris@224: //            m_colourScale == MeterColourScale) {
Chris@224:             ) {
Chris@224:             max = 0.1f;
Chris@120:         }
Chris@120:     }
Chris@120: 
Chris@119:     float thresh = -80.f;
Chris@119: 
Chris@119:     if (max == 0.f) max = 1.f;
Chris@119:     if (max == min) min = max - 0.0001f;
Chris@119: 
Chris@40:     switch (m_colourScale) {
Chris@40: 	
Chris@40:     default:
Chris@40:     case LinearColourScale:
Chris@119:         value = int(((input - min) / (max - min)) * 255.f) + 1;
Chris@40: 	break;
Chris@40: 	
Chris@40:     case MeterColourScale:
Chris@210:         value = AudioLevel::multiplier_to_preview
Chris@210:             ((input - min) / (max - min), 254) + 1;
Chris@40: 	break;
Chris@119: 
Chris@210:     case dBSquaredColourScale:
Chris@215:         input = ((input - min) * (input - min)) / ((max - min) * (max - min));
Chris@133:         if (input > 0.f) {
Chris@133:             input = 10.f * log10f(input);
Chris@133:         } else {
Chris@133:             input = thresh;
Chris@133:         }
Chris@119:         if (min > 0.f) {
Chris@119:             thresh = 10.f * log10f(min * min);
Chris@119:             if (thresh < -80.f) thresh = -80.f;
Chris@119:         }
Chris@119: 	input = (input - thresh) / (-thresh);
Chris@119: 	if (input < 0.f) input = 0.f;
Chris@119: 	if (input > 1.f) input = 1.f;
Chris@119: 	value = int(input * 255.f) + 1;
Chris@119: 	break;
Chris@40: 	
Chris@215:     case dBColourScale:
Chris@215:         //!!! experiment with normalizing the visible area this way.
Chris@215:         //In any case, we need to have some indication of what the dB
Chris@215:         //scale is relative to.
Chris@215:         input = (input - min) / (max - min);
Chris@215:         if (input > 0.f) {
Chris@215:             input = 10.f * log10f(input);
Chris@215:         } else {
Chris@215:             input = thresh;
Chris@215:         }
Chris@215:         if (min > 0.f) {
Chris@215:             thresh = 10.f * log10f(min);
Chris@215:             if (thresh < -80.f) thresh = -80.f;
Chris@215:         }
Chris@215: 	input = (input - thresh) / (-thresh);
Chris@215: 	if (input < 0.f) input = 0.f;
Chris@215: 	if (input > 1.f) input = 1.f;
Chris@215: 	value = int(input * 255.f) + 1;
Chris@215: 	break;
Chris@215: 	
Chris@40:     case PhaseColourScale:
Chris@40: 	value = int((input * 127.0 / M_PI) + 128);
Chris@40: 	break;
Chris@0:     }
Chris@210: 
Chris@38:     if (value > UCHAR_MAX) value = UCHAR_MAX;
Chris@38:     if (value < 0) value = 0;
Chris@38:     return value;
Chris@0: }
Chris@0: 
Chris@40: float
Chris@40: SpectrogramLayer::getEffectiveMinFrequency() const
Chris@40: {
Chris@40:     int sr = m_model->getSampleRate();
Chris@107:     float minf = float(sr) / m_fftSize;
Chris@40: 
Chris@40:     if (m_minFrequency > 0.0) {
Chris@107: 	size_t minbin = size_t((double(m_minFrequency) * m_fftSize) / sr + 0.01);
Chris@40: 	if (minbin < 1) minbin = 1;
Chris@107: 	minf = minbin * sr / m_fftSize;
Chris@40:     }
Chris@40: 
Chris@40:     return minf;
Chris@40: }
Chris@40: 
Chris@40: float
Chris@40: SpectrogramLayer::getEffectiveMaxFrequency() const
Chris@40: {
Chris@40:     int sr = m_model->getSampleRate();
Chris@40:     float maxf = float(sr) / 2;
Chris@40: 
Chris@40:     if (m_maxFrequency > 0.0) {
Chris@107: 	size_t maxbin = size_t((double(m_maxFrequency) * m_fftSize) / sr + 0.1);
Chris@107: 	if (maxbin > m_fftSize / 2) maxbin = m_fftSize / 2;
Chris@107: 	maxf = maxbin * sr / m_fftSize;
Chris@40:     }
Chris@40: 
Chris@40:     return maxf;
Chris@40: }
Chris@40: 
Chris@0: bool
Chris@44: SpectrogramLayer::getYBinRange(View *v, int y, float &q0, float &q1) const
Chris@0: {
Chris@382:     Profiler profiler("SpectrogramLayer::getYBinRange");
Chris@382:     
Chris@44:     int h = v->height();
Chris@0:     if (y < 0 || y >= h) return false;
Chris@0: 
Chris@38:     int sr = m_model->getSampleRate();
Chris@40:     float minf = getEffectiveMinFrequency();
Chris@40:     float maxf = getEffectiveMaxFrequency();
Chris@0: 
Chris@38:     bool logarithmic = (m_frequencyScale == LogFrequencyScale);
Chris@38: 
Chris@44:     q0 = v->getFrequencyForY(y, minf, maxf, logarithmic);
Chris@44:     q1 = v->getFrequencyForY(y - 1, minf, maxf, logarithmic);
Chris@38: 
Chris@490:     // Now map these on to ("proportions of") actual bins, using raw
Chris@490:     // FFT size (unsmoothed)
Chris@490: 
Chris@490:     q0 = (q0 * m_fftSize) / sr;
Chris@490:     q1 = (q1 * m_fftSize) / sr;
Chris@0: 
Chris@0:     return true;
Chris@0: }
Chris@486: 
Chris@486: bool
Chris@486: SpectrogramLayer::getSmoothedYBinRange(View *v, int y, float &q0, float &q1) const
Chris@486: {
Chris@486:     Profiler profiler("SpectrogramLayer::getSmoothedYBinRange");
Chris@486: 
Chris@486:     int h = v->height();
Chris@486:     if (y < 0 || y >= h) return false;
Chris@486: 
Chris@486:     int sr = m_model->getSampleRate();
Chris@486:     float minf = getEffectiveMinFrequency();
Chris@486:     float maxf = getEffectiveMaxFrequency();
Chris@486: 
Chris@486:     bool logarithmic = (m_frequencyScale == LogFrequencyScale);
Chris@486: 
Chris@486:     q0 = v->getFrequencyForY(y, minf, maxf, logarithmic);
Chris@486:     q1 = v->getFrequencyForY(y - 1, minf, maxf, logarithmic);
Chris@486: 
Chris@490:     // Now map these on to ("proportions of") actual bins, using raw
Chris@490:     // FFT size (unsmoothed)
Chris@490: 
Chris@490:     q0 = (q0 * getFFTSize(v)) / sr;
Chris@490:     q1 = (q1 * getFFTSize(v)) / sr;
Chris@486: 
Chris@486:     return true;
Chris@486: }
Chris@38:     
Chris@0: bool
Chris@44: SpectrogramLayer::getXBinRange(View *v, int x, float &s0, float &s1) const
Chris@0: {
Chris@21:     size_t modelStart = m_model->getStartFrame();
Chris@21:     size_t modelEnd = m_model->getEndFrame();
Chris@0: 
Chris@0:     // Each pixel column covers an exact range of sample frames:
Chris@44:     int f0 = v->getFrameForX(x) - modelStart;
Chris@44:     int f1 = v->getFrameForX(x + 1) - modelStart - 1;
Chris@20: 
Chris@41:     if (f1 < int(modelStart) || f0 > int(modelEnd)) {
Chris@41: 	return false;
Chris@41:     }
Chris@20:       
Chris@0:     // And that range may be drawn from a possibly non-integral
Chris@0:     // range of spectrogram windows:
Chris@0: 
Chris@0:     size_t windowIncrement = getWindowIncrement();
Chris@0:     s0 = float(f0) / windowIncrement;
Chris@0:     s1 = float(f1) / windowIncrement;
Chris@0: 
Chris@0:     return true;
Chris@0: }
Chris@0:  
Chris@0: bool
Chris@44: SpectrogramLayer::getXBinSourceRange(View *v, int x, RealTime &min, RealTime &max) const
Chris@0: {
Chris@0:     float s0 = 0, s1 = 0;
Chris@44:     if (!getXBinRange(v, x, s0, s1)) return false;
Chris@0:     
Chris@0:     int s0i = int(s0 + 0.001);
Chris@0:     int s1i = int(s1);
Chris@0: 
Chris@0:     int windowIncrement = getWindowIncrement();
Chris@0:     int w0 = s0i * windowIncrement - (m_windowSize - windowIncrement)/2;
Chris@0:     int w1 = s1i * windowIncrement + windowIncrement +
Chris@0: 	(m_windowSize - windowIncrement)/2 - 1;
Chris@0:     
Chris@0:     min = RealTime::frame2RealTime(w0, m_model->getSampleRate());
Chris@0:     max = RealTime::frame2RealTime(w1, m_model->getSampleRate());
Chris@0:     return true;
Chris@0: }
Chris@0: 
Chris@0: bool
Chris@44: SpectrogramLayer::getYBinSourceRange(View *v, int y, float &freqMin, float &freqMax)
Chris@0: const
Chris@0: {
Chris@0:     float q0 = 0, q1 = 0;
Chris@44:     if (!getYBinRange(v, y, q0, q1)) return false;
Chris@0: 
Chris@0:     int q0i = int(q0 + 0.001);
Chris@0:     int q1i = int(q1);
Chris@0: 
Chris@0:     int sr = m_model->getSampleRate();
Chris@0: 
Chris@0:     for (int q = q0i; q <= q1i; ++q) {
Chris@121: 	if (q == q0i) freqMin = (sr * q) / m_fftSize;
Chris@121: 	if (q == q1i) freqMax = (sr * (q+1)) / m_fftSize;
Chris@0:     }
Chris@0:     return true;
Chris@0: }
Chris@35: 
Chris@35: bool
Chris@44: SpectrogramLayer::getAdjustedYBinSourceRange(View *v, int x, int y,
Chris@35: 					     float &freqMin, float &freqMax,
Chris@35: 					     float &adjFreqMin, float &adjFreqMax)
Chris@35: const
Chris@35: {
Chris@277:     if (!m_model || !m_model->isOK() || !m_model->isReady()) {
Chris@277: 	return false;
Chris@277:     }
Chris@277: 
Chris@130:     FFTModel *fft = getFFTModel(v);
Chris@114:     if (!fft) return false;
Chris@110: 
Chris@35:     float s0 = 0, s1 = 0;
Chris@44:     if (!getXBinRange(v, x, s0, s1)) return false;
Chris@35: 
Chris@35:     float q0 = 0, q1 = 0;
Chris@44:     if (!getYBinRange(v, y, q0, q1)) return false;
Chris@35: 
Chris@35:     int s0i = int(s0 + 0.001);
Chris@35:     int s1i = int(s1);
Chris@35: 
Chris@35:     int q0i = int(q0 + 0.001);
Chris@35:     int q1i = int(q1);
Chris@35: 
Chris@35:     int sr = m_model->getSampleRate();
Chris@35: 
Chris@38:     size_t windowSize = m_windowSize;
Chris@38:     size_t windowIncrement = getWindowIncrement();
Chris@38: 
Chris@35:     bool haveAdj = false;
Chris@35: 
Chris@37:     bool peaksOnly = (m_binDisplay == PeakBins ||
Chris@37: 		      m_binDisplay == PeakFrequencies);
Chris@37: 
Chris@35:     for (int q = q0i; q <= q1i; ++q) {
Chris@35: 
Chris@35: 	for (int s = s0i; s <= s1i; ++s) {
Chris@35: 
Chris@160:             if (!fft->isColumnAvailable(s)) continue;
Chris@117: 
Chris@35: 	    float binfreq = (sr * q) / m_windowSize;
Chris@35: 	    if (q == q0i) freqMin = binfreq;
Chris@35: 	    if (q == q1i) freqMax = binfreq;
Chris@37: 
Chris@114: 	    if (peaksOnly && !fft->isLocalPeak(s, q)) continue;
Chris@38: 
Chris@253: 	    if (!fft->isOverThreshold(s, q, m_threshold * (m_fftSize/2))) continue;
Chris@38: 
Chris@38: 	    float freq = binfreq;
Chris@38: 	    bool steady = false;
Chris@40: 	    
Chris@114: 	    if (s < int(fft->getWidth()) - 1) {
Chris@38: 
Chris@277:                 fft->estimateStableFrequency(s, q, freq);
Chris@35: 	    
Chris@38: 		if (!haveAdj || freq < adjFreqMin) adjFreqMin = freq;
Chris@38: 		if (!haveAdj || freq > adjFreqMax) adjFreqMax = freq;
Chris@35: 
Chris@35: 		haveAdj = true;
Chris@35: 	    }
Chris@35: 	}
Chris@35:     }
Chris@35: 
Chris@35:     if (!haveAdj) {
Chris@40: 	adjFreqMin = adjFreqMax = 0.0;
Chris@35:     }
Chris@35: 
Chris@35:     return haveAdj;
Chris@35: }
Chris@0:     
Chris@0: bool
Chris@44: SpectrogramLayer::getXYBinSourceRange(View *v, int x, int y,
Chris@38: 				      float &min, float &max,
Chris@38: 				      float &phaseMin, float &phaseMax) const
Chris@0: {
Chris@277:     if (!m_model || !m_model->isOK() || !m_model->isReady()) {
Chris@277: 	return false;
Chris@277:     }
Chris@277: 
Chris@0:     float q0 = 0, q1 = 0;
Chris@44:     if (!getYBinRange(v, y, q0, q1)) return false;
Chris@0: 
Chris@0:     float s0 = 0, s1 = 0;
Chris@44:     if (!getXBinRange(v, x, s0, s1)) return false;
Chris@0:     
Chris@0:     int q0i = int(q0 + 0.001);
Chris@0:     int q1i = int(q1);
Chris@0: 
Chris@0:     int s0i = int(s0 + 0.001);
Chris@0:     int s1i = int(s1);
Chris@0: 
Chris@37:     bool rv = false;
Chris@37: 
Chris@122:     size_t zp = getZeroPadLevel(v);
Chris@122:     q0i *= zp + 1;
Chris@122:     q1i *= zp + 1;
Chris@122: 
Chris@130:     FFTModel *fft = getFFTModel(v);
Chris@0: 
Chris@114:     if (fft) {
Chris@114: 
Chris@114:         int cw = fft->getWidth();
Chris@114:         int ch = fft->getHeight();
Chris@0: 
Chris@110:         min = 0.0;
Chris@110:         max = 0.0;
Chris@110:         phaseMin = 0.0;
Chris@110:         phaseMax = 0.0;
Chris@110:         bool have = false;
Chris@0: 
Chris@110:         for (int q = q0i; q <= q1i; ++q) {
Chris@110:             for (int s = s0i; s <= s1i; ++s) {
Chris@110:                 if (s >= 0 && q >= 0 && s < cw && q < ch) {
Chris@117: 
Chris@160:                     if (!fft->isColumnAvailable(s)) continue;
Chris@110:                     
Chris@110:                     float value;
Chris@38: 
Chris@114:                     value = fft->getPhaseAt(s, q);
Chris@110:                     if (!have || value < phaseMin) { phaseMin = value; }
Chris@110:                     if (!have || value > phaseMax) { phaseMax = value; }
Chris@91: 
Chris@252:                     value = fft->getMagnitudeAt(s, q) / (m_fftSize/2);
Chris@110:                     if (!have || value < min) { min = value; }
Chris@110:                     if (!have || value > max) { max = value; }
Chris@110:                     
Chris@110:                     have = true;
Chris@110:                 }	
Chris@110:             }
Chris@110:         }
Chris@110:         
Chris@110:         if (have) {
Chris@110:             rv = true;
Chris@110:         }
Chris@0:     }
Chris@0: 
Chris@37:     return rv;
Chris@0: }
Chris@0:    
Chris@114: size_t
Chris@114: SpectrogramLayer::getZeroPadLevel(const View *v) const
Chris@114: {
Chris@114:     //!!! tidy all this stuff
Chris@114: 
Chris@114:     if (m_binDisplay != AllBins) return 0;
Chris@221: 
Chris@221:     Preferences::SpectrogramSmoothing smoothing = 
Chris@221:         Preferences::getInstance()->getSpectrogramSmoothing();
Chris@221:     
Chris@221:     if (smoothing == Preferences::NoSpectrogramSmoothing ||
Chris@221:         smoothing == Preferences::SpectrogramInterpolated) return 0;
Chris@221: 
Chris@114:     if (m_frequencyScale == LogFrequencyScale) return 3;
Chris@114: 
Chris@114:     int sr = m_model->getSampleRate();
Chris@114:     
Chris@184:     size_t maxbin = m_fftSize / 2;
Chris@114:     if (m_maxFrequency > 0) {
Chris@184: 	maxbin = int((double(m_maxFrequency) * m_fftSize) / sr + 0.1);
Chris@184: 	if (maxbin > m_fftSize / 2) maxbin = m_fftSize / 2;
Chris@114:     }
Chris@114: 
Chris@114:     size_t minbin = 1;
Chris@114:     if (m_minFrequency > 0) {
Chris@114: 	minbin = int((double(m_minFrequency) * m_fftSize) / sr + 0.1);
Chris@114: 	if (minbin < 1) minbin = 1;
Chris@184: 	if (minbin >= maxbin) minbin = maxbin - 1;
Chris@114:     }
Chris@114: 
Chris@118:     float perPixel =
Chris@118:         float(v->height()) /
Chris@184:         float((maxbin - minbin) / (m_zeroPadLevel + 1));
Chris@118: 
Chris@118:     if (perPixel > 2.8) {
Chris@118:         return 3; // 4x oversampling
Chris@118:     } else if (perPixel > 1.5) {
Chris@118:         return 1; // 2x
Chris@114:     } else {
Chris@118:         return 0; // 1x
Chris@114:     }
Chris@114: }
Chris@114: 
Chris@114: size_t
Chris@114: SpectrogramLayer::getFFTSize(const View *v) const
Chris@114: {
Chris@114:     return m_fftSize * (getZeroPadLevel(v) + 1);
Chris@114: }
Chris@114: 	
Chris@130: FFTModel *
Chris@130: SpectrogramLayer::getFFTModel(const View *v) const
Chris@114: {
Chris@114:     if (!m_model) return 0;
Chris@114: 
Chris@114:     size_t fftSize = getFFTSize(v);
Chris@114: 
Chris@130:     if (m_fftModels.find(v) != m_fftModels.end()) {
Chris@184:         if (m_fftModels[v].first == 0) {
Chris@184: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:             SVDEBUG << "SpectrogramLayer::getFFTModel(" << v << "): Found null model" << endl;
Chris@184: #endif
Chris@184:             return 0;
Chris@184:         }
Chris@184:         if (m_fftModels[v].first->getHeight() != fftSize / 2 + 1) {
Chris@184: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:             SVDEBUG << "SpectrogramLayer::getFFTModel(" << v << "): Found a model with the wrong height (" << m_fftModels[v].first->getHeight() << ", wanted " << (fftSize / 2 + 1) << ")" << endl;
Chris@184: #endif
Chris@130:             delete m_fftModels[v].first;
Chris@130:             m_fftModels.erase(v);
Chris@484:             delete m_peakCaches[v];
Chris@484:             m_peakCaches.erase(v);
Chris@184:         } else {
Chris@184: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:             SVDEBUG << "SpectrogramLayer::getFFTModel(" << v << "): Found a good model of height " << m_fftModels[v].first->getHeight() << endl;
Chris@184: #endif
Chris@184:             return m_fftModels[v].first;
Chris@114:         }
Chris@114:     }
Chris@114: 
Chris@130:     if (m_fftModels.find(v) == m_fftModels.end()) {
Chris@169: 
Chris@169:         FFTModel *model = new FFTModel(m_model,
Chris@169:                                        m_channel,
Chris@169:                                        m_windowType,
Chris@169:                                        m_windowSize,
Chris@169:                                        getWindowIncrement(),
Chris@169:                                        fftSize,
Chris@382:                                        true, // polar
Chris@327:                                        StorageAdviser::SpeedCritical,
Chris@169:                                        m_candidateFillStartFrame);
Chris@169: 
Chris@178:         if (!model->isOK()) {
Chris@178:             QMessageBox::critical
Chris@178:                 (0, tr("FFT cache failed"),
Chris@178:                  tr("Failed to create the FFT model for this spectrogram.\n"
Chris@178:                     "There may be insufficient memory or disc space to continue."));
Chris@178:             delete model;
Chris@178:             m_fftModels[v] = FFTFillPair(0, 0);
Chris@178:             return 0;
Chris@178:         }
Chris@178: 
Chris@193:         if (!m_sliceableModel) {
Chris@248: #ifdef DEBUG_SPECTROGRAM
Chris@682:             cerr << "SpectrogramLayer: emitting sliceableModelReplaced(0, " << model << ")" << endl;
Chris@248: #endif
Chris@193:             ((SpectrogramLayer *)this)->sliceableModelReplaced(0, model);
Chris@193:             m_sliceableModel = model;
Chris@193:         }
Chris@193: 
Chris@169:         m_fftModels[v] = FFTFillPair(model, 0);
Chris@169: 
Chris@169:         model->resume();
Chris@114:         
Chris@114:         delete m_updateTimer;
Chris@114:         m_updateTimer = new QTimer((SpectrogramLayer *)this);
Chris@114:         connect(m_updateTimer, SIGNAL(timeout()),
Chris@114:                 this, SLOT(fillTimerTimedOut()));
Chris@114:         m_updateTimer->start(200);
Chris@114:     }
Chris@114: 
Chris@130:     return m_fftModels[v].first;
Chris@114: }
Chris@114: 
Chris@484: Dense3DModelPeakCache *
Chris@484: SpectrogramLayer::getPeakCache(const View *v) const
Chris@484: {
Chris@484:     if (!m_peakCaches[v]) {
Chris@484:         FFTModel *f = getFFTModel(v);
Chris@484:         if (!f) return 0;
Chris@484:         m_peakCaches[v] = new Dense3DModelPeakCache(f, 8);
Chris@484:     }
Chris@484:     return m_peakCaches[v];
Chris@484: }
Chris@484: 
Chris@193: const Model *
Chris@193: SpectrogramLayer::getSliceableModel() const
Chris@193: {
Chris@193:     if (m_sliceableModel) return m_sliceableModel;
Chris@193:     if (m_fftModels.empty()) return 0;
Chris@193:     m_sliceableModel = m_fftModels.begin()->second.first;
Chris@193:     return m_sliceableModel;
Chris@193: }
Chris@193: 
Chris@114: void
Chris@130: SpectrogramLayer::invalidateFFTModels()
Chris@114: {
Chris@130:     for (ViewFFTMap::iterator i = m_fftModels.begin();
Chris@130:          i != m_fftModels.end(); ++i) {
Chris@115:         delete i->second.first;
Chris@114:     }
Chris@486:     for (PeakCacheMap::iterator i = m_peakCaches.begin();
Chris@486:          i != m_peakCaches.end(); ++i) {
Chris@486:         delete i->second;
Chris@486:     }
Chris@114:     
Chris@130:     m_fftModels.clear();
Chris@486:     m_peakCaches.clear();
Chris@193: 
Chris@193:     if (m_sliceableModel) {
Chris@682:         cerr << "SpectrogramLayer: emitting sliceableModelReplaced(" << m_sliceableModel << ", 0)" << endl;
Chris@193:         emit sliceableModelReplaced(m_sliceableModel, 0);
Chris@193:         m_sliceableModel = 0;
Chris@193:     }
Chris@114: }
Chris@114: 
Chris@0: void
Chris@119: SpectrogramLayer::invalidateMagnitudes()
Chris@119: {
Chris@119:     m_viewMags.clear();
Chris@119:     for (std::vector<MagnitudeRange>::iterator i = m_columnMags.begin();
Chris@119:          i != m_columnMags.end(); ++i) {
Chris@119:         *i = MagnitudeRange();
Chris@119:     }
Chris@119: }
Chris@119: 
Chris@119: bool
Chris@119: SpectrogramLayer::updateViewMagnitudes(View *v) const
Chris@119: {
Chris@119:     MagnitudeRange mag;
Chris@119: 
Chris@119:     int x0 = 0, x1 = v->width();
Chris@119:     float s00 = 0, s01 = 0, s10 = 0, s11 = 0;
Chris@119:     
Chris@203:     if (!getXBinRange(v, x0, s00, s01)) {
Chris@203:         s00 = s01 = m_model->getStartFrame() / getWindowIncrement();
Chris@203:     }
Chris@203: 
Chris@203:     if (!getXBinRange(v, x1, s10, s11)) {
Chris@203:         s10 = s11 = m_model->getEndFrame() / getWindowIncrement();
Chris@203:     }
Chris@119: 
Chris@119:     int s0 = int(std::min(s00, s10) + 0.0001);
Chris@203:     int s1 = int(std::max(s01, s11) + 0.0001);
Chris@203: 
Chris@587: //    SVDEBUG << "SpectrogramLayer::updateViewMagnitudes: x0 = " << x0 << ", x1 = " << x1 << ", s00 = " << s00 << ", s11 = " << s11 << " s0 = " << s0 << ", s1 = " << s1 << endl;
Chris@119: 
Chris@248:     if (int(m_columnMags.size()) <= s1) {
Chris@119:         m_columnMags.resize(s1 + 1);
Chris@119:     }
Chris@119: 
Chris@119:     for (int s = s0; s <= s1; ++s) {
Chris@119:         if (m_columnMags[s].isSet()) {
Chris@119:             mag.sample(m_columnMags[s]);
Chris@119:         }
Chris@119:     }
Chris@119: 
Chris@184: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:     SVDEBUG << "SpectrogramLayer::updateViewMagnitudes returning from cols "
Chris@585:               << s0 << " -> " << s1 << " inclusive" << endl;
Chris@184: #endif
Chris@119: 
Chris@119:     if (!mag.isSet()) return false;
Chris@119:     if (mag == m_viewMags[v]) return false;
Chris@119:     m_viewMags[v] = mag;
Chris@119:     return true;
Chris@119: }
Chris@119: 
Chris@119: void
Chris@389: SpectrogramLayer::setSynchronousPainting(bool synchronous)
Chris@389: {
Chris@389:     m_synchronous = synchronous;
Chris@389: }
Chris@389: 
Chris@389: void
Chris@44: SpectrogramLayer::paint(View *v, QPainter &paint, QRect rect) const
Chris@0: {
Chris@253:     // What a lovely, old-fashioned function this is.
Chris@253:     // It's practically FORTRAN 77 in its clarity and linearity.
Chris@253: 
Chris@334:     Profiler profiler("SpectrogramLayer::paint", false);
Chris@334: 
Chris@0: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:     SVDEBUG << "SpectrogramLayer::paint(): m_model is " << m_model << ", zoom level is " << v->getZoomLevel() << ", m_updateTimer " << m_updateTimer << endl;
Chris@95:     
Chris@682:     cerr << "rect is " << rect.x() << "," << rect.y() << " " << rect.width() << "x" << rect.height() << endl;
Chris@0: #endif
Chris@95: 
Chris@133:     long startFrame = v->getStartFrame();
Chris@133:     if (startFrame < 0) m_candidateFillStartFrame = 0;
Chris@133:     else m_candidateFillStartFrame = startFrame;
Chris@44: 
Chris@0:     if (!m_model || !m_model->isOK() || !m_model->isReady()) {
Chris@0: 	return;
Chris@0:     }
Chris@0: 
Chris@47:     if (isLayerDormant(v)) {
Chris@587: 	SVDEBUG << "SpectrogramLayer::paint(): Layer is dormant, making it undormant again" << endl;
Chris@29:     }
Chris@29: 
Chris@48:     // Need to do this even if !isLayerDormant, as that could mean v
Chris@48:     // is not in the dormancy map at all -- we need it to be present
Chris@48:     // and accountable for when determining whether we need the cache
Chris@48:     // in the cache-fill thread above.
Chris@131:     //!!! no longer use cache-fill thread
Chris@131:     const_cast<SpectrogramLayer *>(this)->Layer::setLayerDormant(v, false);
Chris@48: 
Chris@114:     size_t fftSize = getFFTSize(v);
Chris@484: /*
Chris@130:     FFTModel *fft = getFFTModel(v);
Chris@114:     if (!fft) {
Chris@682: 	cerr << "ERROR: SpectrogramLayer::paint(): No FFT model, returning" << endl;
Chris@0: 	return;
Chris@0:     }
Chris@484: */
Chris@478:     ImageCache &cache = m_imageCaches[v];
Chris@95: 
Chris@95: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:     SVDEBUG << "SpectrogramLayer::paint(): image cache valid area " << cache.
Chris@585: 
Chris@585: validArea.x() << ", " << cache.validArea.y() << ", " << cache.validArea.width() << "x" << cache.validArea.height() << endl;
Chris@95: #endif
Chris@95: 
Chris@248: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@0:     bool stillCacheing = (m_updateTimer != 0);
Chris@587:     SVDEBUG << "SpectrogramLayer::paint(): Still cacheing = " << stillCacheing << endl;
Chris@0: #endif
Chris@0: 
Chris@44:     int zoomLevel = v->getZoomLevel();
Chris@0: 
Chris@0:     int x0 = 0;
Chris@44:     int x1 = v->width();
Chris@0: 
Chris@478:     bool recreateWholeImageCache = true;
Chris@0: 
Chris@95:     x0 = rect.left();
Chris@95:     x1 = rect.right() + 1;
Chris@481: /*
Chris@479:     float xPixelRatio = float(fft->getResolution()) / float(zoomLevel);
Chris@682:     cerr << "xPixelRatio = " << xPixelRatio << endl;
Chris@479:     if (xPixelRatio < 1.f) xPixelRatio = 1.f;
Chris@481: */
Chris@95:     if (cache.validArea.width() > 0) {
Chris@95: 
Chris@482:         int cw = cache.image.width();
Chris@482:         int ch = cache.image.height();
Chris@482:         
Chris@95: 	if (int(cache.zoomLevel) == zoomLevel &&
Chris@482: 	    cw == v->width() &&
Chris@482: 	    ch == v->height()) {
Chris@95: 
Chris@95: 	    if (v->getXForFrame(cache.startFrame) ==
Chris@95: 		v->getXForFrame(startFrame) &&
Chris@95:                 cache.validArea.x() <= x0 &&
Chris@95:                 cache.validArea.x() + cache.validArea.width() >= x1) {
Chris@0: 	    
Chris@0: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682: 		cerr << "SpectrogramLayer: image cache good" << endl;
Chris@0: #endif
Chris@0: 
Chris@478: 		paint.drawImage(rect, cache.image, rect);
Chris@479:                 //!!!
Chris@479: //                paint.drawImage(v->rect(), cache.image,
Chris@479: //                                QRect(QPoint(0, 0), cache.image.size()));
Chris@479: 
Chris@121:                 illuminateLocalFeatures(v, paint);
Chris@0: 		return;
Chris@0: 
Chris@0: 	    } else {
Chris@0: 
Chris@0: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682: 		cerr << "SpectrogramLayer: image cache partially OK" << endl;
Chris@0: #endif
Chris@0: 
Chris@478: 		recreateWholeImageCache = false;
Chris@0: 
Chris@95: 		int dx = v->getXForFrame(cache.startFrame) -
Chris@44: 		         v->getXForFrame(startFrame);
Chris@0: 
Chris@0: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682: 		cerr << "SpectrogramLayer: dx = " << dx << " (image cache " << cw << "x" << ch << ")" << endl;
Chris@0: #endif
Chris@0: 
Chris@95: 		if (dx != 0 &&
Chris@482:                     dx > -cw &&
Chris@482:                     dx <  cw) {
Chris@482:                     
Chris@482:                     int dxp = dx;
Chris@482:                     if (dxp < 0) dxp = -dxp;
Chris@482:                     int copy = (cw - dxp) * sizeof(QRgb);
Chris@482:                     for (int y = 0; y < ch; ++y) {
Chris@482:                         QRgb *line = (QRgb *)cache.image.scanLine(y);
Chris@482:                         if (dx < 0) {
Chris@482:                             memmove(line, line + dxp, copy);
Chris@482:                         } else {
Chris@482:                             memmove(line + dxp, line, copy);
Chris@482:                         }
Chris@331:                     }
Chris@0: 
Chris@95:                     int px = cache.validArea.x();
Chris@95:                     int pw = cache.validArea.width();
Chris@0: 
Chris@0: 		    if (dx < 0) {
Chris@482: 			x0 = cw + dx;
Chris@482: 			x1 = cw;
Chris@95:                         px += dx;
Chris@95:                         if (px < 0) {
Chris@95:                             pw += px;
Chris@95:                             px = 0;
Chris@95:                             if (pw < 0) pw = 0;
Chris@95:                         }
Chris@0: 		    } else {
Chris@0: 			x0 = 0;
Chris@0: 			x1 = dx;
Chris@95:                         px += dx;
Chris@482:                         if (px + pw > cw) {
Chris@482:                             pw = int(cw) - px;
Chris@95:                             if (pw < 0) pw = 0;
Chris@95:                         }
Chris@0: 		    }
Chris@95:                     
Chris@95:                     cache.validArea =
Chris@95:                         QRect(px, cache.validArea.y(),
Chris@95:                               pw, cache.validArea.height());
Chris@95: 
Chris@331: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:                     cerr << "valid area now "
Chris@331:                               << px << "," << cache.validArea.y()
Chris@331:                               << " " << pw << "x" << cache.validArea.height()
Chris@682:                               << endl;
Chris@331: #endif
Chris@479: /*
Chris@478: 		    paint.drawImage(rect & cache.validArea,
Chris@478:                                      cache.image,
Chris@95:                                      rect & cache.validArea);
Chris@479: */
Chris@331:                 } else if (dx != 0) {
Chris@331: 
Chris@331:                     // we scrolled too far to be of use
Chris@331: 
Chris@391: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:                     cerr << "dx == " << dx << ": scrolled too far for cache to be useful" << endl;
Chris@391: #endif
Chris@391: 
Chris@331:                     cache.validArea = QRect();
Chris@478:                     recreateWholeImageCache = true;
Chris@331:                 }
Chris@0: 	    }
Chris@0: 	} else {
Chris@0: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682: 	    cerr << "SpectrogramLayer: image cache useless" << endl;
Chris@224:             if (int(cache.zoomLevel) != zoomLevel) {
Chris@682:                 cerr << "(cache zoomLevel " << cache.zoomLevel
Chris@682:                           << " != " << zoomLevel << ")" << endl;
Chris@224:             }
Chris@482:             if (cw != v->width()) {
Chris@682:                 cerr << "(cache width " << cw
Chris@224:                           << " != " << v->width();
Chris@224:             }
Chris@482:             if (ch != v->height()) {
Chris@682:                 cerr << "(cache height " << ch
Chris@224:                           << " != " << v->height();
Chris@224:             }
Chris@0: #endif
Chris@95:             cache.validArea = QRect();
Chris@478: //            recreateWholeImageCache = true;
Chris@0: 	}
Chris@0:     }
Chris@95: 
Chris@133:     if (updateViewMagnitudes(v)) {
Chris@184: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:         cerr << "SpectrogramLayer: magnitude range changed to [" << m_viewMags[v].getMin() << "->" << m_viewMags[v].getMax() << "]" << endl;
Chris@184: #endif
Chris@331:         if (m_normalizeVisibleArea) {
Chris@331:             cache.validArea = QRect();
Chris@478:             recreateWholeImageCache = true;
Chris@331:         }
Chris@133:     } else {
Chris@184: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:         cerr << "No change in magnitude range [" << m_viewMags[v].getMin() << "->" << m_viewMags[v].getMax() << "]" << endl;
Chris@184: #endif
Chris@133:     }
Chris@133: 
Chris@478:     if (recreateWholeImageCache) {
Chris@95:         x0 = 0;
Chris@95:         x1 = v->width();
Chris@95:     }
Chris@95: 
Chris@215:     struct timeval tv;
Chris@215:     (void)gettimeofday(&tv, 0);
Chris@215:     RealTime mainPaintStart = RealTime::fromTimeval(tv);
Chris@215: 
Chris@215:     int paintBlockWidth = m_lastPaintBlockWidth;
Chris@215: 
Chris@389:     if (m_synchronous) {
Chris@389:         if (paintBlockWidth < x1 - x0) {
Chris@389:             // always paint full width
Chris@389:             paintBlockWidth = x1 - x0;
Chris@389:         }
Chris@215:     } else {
Chris@389:         if (paintBlockWidth == 0) {
Chris@389:             paintBlockWidth = (300000 / zoomLevel);
Chris@389:         } else {
Chris@389:             RealTime lastTime = m_lastPaintTime;
Chris@389:             while (lastTime > RealTime::fromMilliseconds(200) &&
Chris@389:                    paintBlockWidth > 50) {
Chris@389:                 paintBlockWidth /= 2;
Chris@389:                 lastTime = lastTime / 2;
Chris@389:             }
Chris@389:             while (lastTime < RealTime::fromMilliseconds(90) &&
Chris@389:                    paintBlockWidth < 1500) {
Chris@389:                 paintBlockWidth *= 2;
Chris@389:                 lastTime = lastTime * 2;
Chris@389:             }
Chris@215:         }
Chris@389:         
Chris@389:         if (paintBlockWidth < 20) paintBlockWidth = 20;
Chris@215:     }
Chris@215: 
Chris@525: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:     cerr << "[" << this << "]: last paint width: " << m_lastPaintBlockWidth << ", last paint time: " << m_lastPaintTime << ", new paint width: " << paintBlockWidth << endl;
Chris@525: #endif
Chris@224: 
Chris@224:     // We always paint the full height when refreshing the cache.
Chris@224:     // Smaller heights can be used when painting direct from cache
Chris@224:     // (further up in this function), but we want to ensure the cache
Chris@224:     // is coherent without having to worry about vertical matching of
Chris@224:     // required and valid areas as well as horizontal.
Chris@224: 
Chris@224:     int h = v->height();
Chris@215: 
Chris@96:     if (cache.validArea.width() > 0) {
Chris@96: 
Chris@331:         // If part of the cache is known to be valid, select a strip
Chris@331:         // immediately to left or right of the valid part
Chris@331: 
Chris@481:         //!!! this really needs to be coordinated with the selection
Chris@481:         //!!! of m_drawBuffer boundaries in the bufferBinResolution
Chris@481:         //!!! case below
Chris@481: 
Chris@96:         int vx0 = 0, vx1 = 0;
Chris@96:         vx0 = cache.validArea.x();
Chris@96:         vx1 = cache.validArea.x() + cache.validArea.width();
Chris@96:         
Chris@96: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:         cerr << "x0 " << x0 << ", x1 " << x1 << ", vx0 " << vx0 << ", vx1 " << vx1 << ", paintBlockWidth " << paintBlockWidth << endl;
Chris@331: #endif         
Chris@96:         if (x0 < vx0) {
Chris@96:             if (x0 + paintBlockWidth < vx0) {
Chris@96:                 x0 = vx0 - paintBlockWidth;
Chris@331:             }
Chris@331:             x1 = vx0;
Chris@331:         } else if (x0 >= vx1) {
Chris@331:             x0 = vx1;
Chris@331:             if (x1 > x0 + paintBlockWidth) {
Chris@331:                 x1 = x0 + paintBlockWidth;
Chris@331:             }
Chris@331:         } else {
Chris@331:             // x0 is within the valid area
Chris@331:             if (x1 > vx1) {
Chris@331:                 x0 = vx1;
Chris@331:                 if (x0 + paintBlockWidth < x1) {
Chris@331:                     x1 = x0 + paintBlockWidth;
Chris@331:                 }
Chris@96:             } else {
Chris@331:                 x1 = x0; // it's all valid, paint nothing
Chris@95:             }
Chris@96:         }
Chris@331:          
Chris@96:         cache.validArea = QRect
Chris@96:             (std::min(vx0, x0), cache.validArea.y(),
Chris@96:              std::max(vx1 - std::min(vx0, x0),
Chris@337:                        x1 - std::min(vx0, x0)),
Chris@96:              cache.validArea.height());
Chris@337: 
Chris@337: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:         cerr << "Valid area becomes " << cache.validArea.x()
Chris@337:                   << ", " << cache.validArea.y() << ", "
Chris@337:                   << cache.validArea.width() << "x"
Chris@682:                   << cache.validArea.height() << endl;
Chris@337: #endif
Chris@95:             
Chris@96:     } else {
Chris@96:         if (x1 > x0 + paintBlockWidth) {
Chris@133:             int sfx = x1;
Chris@133:             if (startFrame < 0) sfx = v->getXForFrame(0);
Chris@133:             if (sfx >= x0 && sfx + paintBlockWidth <= x1) {
Chris@133:                 x0 = sfx;
Chris@133:                 x1 = x0 + paintBlockWidth;
Chris@133:             } else {
Chris@133:                 int mid = (x1 + x0) / 2;
Chris@133:                 x0 = mid - paintBlockWidth/2;
Chris@133:                 x1 = x0 + paintBlockWidth;
Chris@133:             }
Chris@95:         }
Chris@337: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:         cerr << "Valid area becomes " << x0 << ", 0, " << (x1-x0)
Chris@682:                   << "x" << h << endl;
Chris@337: #endif
Chris@224:         cache.validArea = QRect(x0, 0, x1 - x0, h);
Chris@95:     }
Chris@95: 
Chris@481: /*
Chris@480:     if (xPixelRatio != 1.f) {
Chris@480:         x0 = int((int(x0 / xPixelRatio) - 4) * xPixelRatio + 0.0001);
Chris@480:         x1 = int((int(x1 / xPixelRatio) + 4) * xPixelRatio + 0.0001);
Chris@480:     }
Chris@481: */
Chris@0:     int w = x1 - x0;
Chris@0: 
Chris@95: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:     cerr << "x0 " << x0 << ", x1 " << x1 << ", w " << w << ", h " << h << endl;
Chris@95: #endif
Chris@95: 
Chris@37:     int sr = m_model->getSampleRate();
Chris@122: 
Chris@122:     // Set minFreq and maxFreq to the frequency extents of the possibly
Chris@122:     // zero-padded visible bin range, and displayMinFreq and displayMaxFreq
Chris@122:     // to the actual scale frequency extents (presumably not zero padded).
Chris@253: 
Chris@253:     // If we are zero padding, we want to use the zero-padded
Chris@253:     // equivalents of the bins that we would be using if not zero
Chris@253:     // padded, to avoid spaces at the top and bottom of the display.
Chris@253: 
Chris@253:     // Note fftSize is the actual zero-padded fft size, m_fftSize the
Chris@253:     // nominal fft size.
Chris@35:     
Chris@253:     size_t maxbin = m_fftSize / 2;
Chris@35:     if (m_maxFrequency > 0) {
Chris@253: 	maxbin = int((double(m_maxFrequency) * m_fftSize) / sr + 0.001);
Chris@253: 	if (maxbin > m_fftSize / 2) maxbin = m_fftSize / 2;
Chris@35:     }
Chris@111: 
Chris@40:     size_t minbin = 1;
Chris@37:     if (m_minFrequency > 0) {
Chris@253: 	minbin = int((double(m_minFrequency) * m_fftSize) / sr + 0.001);
Chris@682: //        cerr << "m_minFrequency = " << m_minFrequency << " -> minbin = " << minbin << endl;
Chris@40: 	if (minbin < 1) minbin = 1;
Chris@184: 	if (minbin >= maxbin) minbin = maxbin - 1;
Chris@37:     }
Chris@37: 
Chris@253:     int zpl = getZeroPadLevel(v) + 1;
Chris@253:     minbin = minbin * zpl;
Chris@253:     maxbin = (maxbin + 1) * zpl - 1;
Chris@253: 
Chris@114:     float minFreq = (float(minbin) * sr) / fftSize;
Chris@184:     float maxFreq = (float(maxbin) * sr) / fftSize;
Chris@0: 
Chris@122:     float displayMinFreq = minFreq;
Chris@122:     float displayMaxFreq = maxFreq;
Chris@122: 
Chris@122:     if (fftSize != m_fftSize) {
Chris@122:         displayMinFreq = getEffectiveMinFrequency();
Chris@122:         displayMaxFreq = getEffectiveMaxFrequency();
Chris@122:     }
Chris@122: 
Chris@682: //    cerr << "(giving actual minFreq " << minFreq << " and display minFreq " << displayMinFreq << ")" << endl;
Chris@253: 
Chris@518:     int increment = getWindowIncrement();
Chris@40:     
Chris@40:     bool logarithmic = (m_frequencyScale == LogFrequencyScale);
Chris@488: /*
Chris@481:     float yforbin[maxbin - minbin + 1];
Chris@481: 
Chris@184:     for (size_t q = minbin; q <= maxbin; ++q) {
Chris@114:         float f0 = (float(q) * sr) / fftSize;
Chris@477:         yforbin[q - minbin] =
Chris@382:             v->getYForFrequency(f0, displayMinFreq, displayMaxFreq,
Chris@382:                                 logarithmic);
Chris@92:     }
Chris@488: */
Chris@119:     MagnitudeRange overallMag = m_viewMags[v];
Chris@119:     bool overallMagChanged = false;
Chris@119: 
Chris@162:     bool fftSuspended = false;
Chris@131: 
Chris@137: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:     cerr << ((float(v->getFrameForX(1) - v->getFrameForX(0))) / increment) << " bin(s) per pixel" << endl;
Chris@137: #endif
Chris@137: 
Chris@224:     bool runOutOfData = false;
Chris@224: 
Chris@331:     if (w == 0) {
Chris@587:         SVDEBUG << "*** NOTE: w == 0" << endl;
Chris@331:     }
Chris@331: 
Chris@331: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@331:     size_t pixels = 0;
Chris@331: #endif
Chris@331: 
Chris@382:     Profiler outerprof("SpectrogramLayer::paint: all cols");
Chris@382: 
Chris@481:     // The draw buffer contains a fragment at either our pixel
Chris@481:     // resolution (if there is more than one time-bin per pixel) or
Chris@481:     // time-bin resolution (if a time-bin spans more than one pixel).
Chris@481:     // We need to ensure that it starts and ends at points where a
Chris@481:     // time-bin boundary occurs at an exact pixel boundary, and with a
Chris@481:     // certain amount of overlap across existing pixels so that we can
Chris@481:     // scale and draw from it without smoothing errors at the edges.
Chris@481: 
Chris@481:     // If (getFrameForX(x) / increment) * increment ==
Chris@481:     // getFrameForX(x), then x is a time-bin boundary.  We want two
Chris@481:     // such boundaries at either side of the draw buffer -- one which
Chris@481:     // we draw up to, and one which we subsequently crop at.
Chris@481: 
Chris@481:     bool bufferBinResolution = false;
Chris@481:     if (increment > zoomLevel) bufferBinResolution = true;
Chris@481: 
Chris@481:     long leftBoundaryFrame = -1, leftCropFrame = -1;
Chris@481:     long rightBoundaryFrame = -1, rightCropFrame = -1;
Chris@481: 
Chris@481:     int bufwid;
Chris@481: 
Chris@481:     if (bufferBinResolution) {
Chris@481: 
Chris@482:         for (int x = x0; ; --x) {
Chris@481:             long f = v->getFrameForX(x);
Chris@481:             if ((f / increment) * increment == f) {
Chris@481:                 if (leftCropFrame == -1) leftCropFrame = f;
Chris@482:                 else if (x < x0 - 2) { leftBoundaryFrame = f; break; }
Chris@481:             }
Chris@481:         }
Chris@482:         for (int x = x0 + w; ; ++x) {
Chris@481:             long f = v->getFrameForX(x);
Chris@481:             if ((f / increment) * increment == f) {
Chris@481:                 if (rightCropFrame == -1) rightCropFrame = f;
Chris@482:                 else if (x > x0 + w + 2) { rightBoundaryFrame = f; break; }
Chris@481:             }
Chris@481:         }
Chris@485: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@481:         cerr << "Left: crop: " << leftCropFrame << " (bin " << leftCropFrame/increment << "); boundary: " << leftBoundaryFrame << " (bin " << leftBoundaryFrame/increment << ")" << endl;
Chris@481:         cerr << "Right: crop: " << rightCropFrame << " (bin " << rightCropFrame/increment << "); boundary: " << rightBoundaryFrame << " (bin " << rightBoundaryFrame/increment << ")" << endl;
Chris@485: #endif
Chris@481: 
Chris@481:         bufwid = (rightBoundaryFrame - leftBoundaryFrame) / increment;
Chris@481: 
Chris@481:     } else {
Chris@481:         
Chris@481:         bufwid = w;
Chris@481:     }
Chris@481: 
Chris@545: #ifdef __GNUC__
Chris@481:     int binforx[bufwid];
Chris@490:     float binfory[h];
Chris@545: #else
Chris@545:     int *binforx = (int *)alloca(bufwid * sizeof(int));
Chris@545:     float *binfory = (float *)alloca(h * sizeof(float));
Chris@545: #endif
Chris@481: 
Chris@484:     bool usePeaksCache = false;
Chris@484: 
Chris@481:     if (bufferBinResolution) {
Chris@481:         for (int x = 0; x < bufwid; ++x) {
Chris@481:             binforx[x] = (leftBoundaryFrame / increment) + x;
Chris@482: //            cerr << "binforx[" << x << "] = " << binforx[x] << endl;
Chris@481:         }
Chris@481:         m_drawBuffer = QImage(bufwid, h, QImage::Format_Indexed8);
Chris@481:     } else {
Chris@481:         for (int x = 0; x < bufwid; ++x) {
Chris@481:             float s0 = 0, s1 = 0;
Chris@481:             if (getXBinRange(v, x + x0, s0, s1)) {
Chris@481:                 binforx[x] = int(s0 + 0.0001);
Chris@481:             } else {
Chris@487:                 binforx[x] = -1; //???
Chris@481:             }
Chris@481:         }
Chris@481:         if (m_drawBuffer.width() < bufwid || m_drawBuffer.height() < h) {
Chris@481:             m_drawBuffer = QImage(bufwid, h, QImage::Format_Indexed8);
Chris@480:         }
Chris@484:         usePeaksCache = (increment * 8) < zoomLevel;
Chris@487:         if (m_colourScale == PhaseColourScale) usePeaksCache = false;
Chris@480:     }
Chris@481: 
Chris@616: // No longer exists in Qt5:    m_drawBuffer.setNumColors(256);
Chris@481:     for (int pixel = 0; pixel < 256; ++pixel) {
Chris@481:         m_drawBuffer.setColor(pixel, m_palette.getColour(pixel).rgb());
Chris@481:     }
Chris@481: 
Chris@481:     m_drawBuffer.fill(0);
Chris@480:     
Chris@488:     if (m_binDisplay != PeakFrequencies) {
Chris@488: 
Chris@488:         for (int y = 0; y < h; ++y) {
Chris@488:             float q0 = 0, q1 = 0;
Chris@488:             if (!getSmoothedYBinRange(v, h-y-1, q0, q1)) {
Chris@488:                 binfory[y] = -1;
Chris@488:             } else {
Chris@490:                 binfory[y] = q0;
Chris@488: //                cerr << "binfory[" << y << "] = " << binfory[y] << endl;
Chris@488:             }
Chris@480:         }
Chris@488: 
Chris@491:         paintDrawBuffer(v, bufwid, h, binforx, binfory, usePeaksCache,
Chris@491:                         overallMag, overallMagChanged);
Chris@488: 
Chris@488:     } else {
Chris@488: 
Chris@488:         paintDrawBufferPeakFrequencies(v, bufwid, h, binforx,
Chris@488:                                        minbin, maxbin,
Chris@488:                                        displayMinFreq, displayMaxFreq,
Chris@491:                                        logarithmic,
Chris@491:                                        overallMag, overallMagChanged);
Chris@480:     }
Chris@481: 
Chris@480: /*
Chris@479:     for (int x = 0; x < w / xPixelRatio; ++x) {
Chris@35: 
Chris@382:         Profiler innerprof("SpectrogramLayer::paint: 1 pixel column");
Chris@382: 
Chris@478:         runOutOfData = !paintColumnValues(v, fft, x0, x,
Chris@478:                                           minbin, maxbin,
Chris@478:                                           displayMinFreq, displayMaxFreq,
Chris@479:                                           xPixelRatio,
Chris@478:                                           h, yforbin);
Chris@477: 
Chris@331:         if (runOutOfData) {
Chris@331: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:             cerr << "Run out of data -- dropping out of loop" << endl;
Chris@331: #endif
Chris@331:             break;
Chris@331:         }
Chris@35:     }
Chris@480: */
Chris@331: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682: //    cerr << pixels << " pixels drawn" << endl;
Chris@331: #endif
Chris@331: 
Chris@119:     if (overallMagChanged) {
Chris@119:         m_viewMags[v] = overallMag;
Chris@209: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:         cerr << "Overall mag is now [" << m_viewMags[v].getMin() << "->" << m_viewMags[v].getMax() << "] - will be updating" << endl;
Chris@209: #endif
Chris@119:     } else {
Chris@209: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:         cerr << "Overall mag unchanged at [" << m_viewMags[v].getMin() << "->" << m_viewMags[v].getMax() << "]" << endl;
Chris@209: #endif
Chris@119:     }
Chris@119: 
Chris@382:     outerprof.end();
Chris@382: 
Chris@382:     Profiler profiler2("SpectrogramLayer::paint: draw image");
Chris@137: 
Chris@478:     if (recreateWholeImageCache) {
Chris@407: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:         SVDEBUG << "Recreating image cache: width = " << v->width()
Chris@585:                   << ", height = " << h << endl;
Chris@407: #endif
Chris@556: 	cache.image = QImage(v->width(), h, QImage::Format_ARGB32_Premultiplied);
Chris@0:     }
Chris@0: 
Chris@331:     if (w > 0) {
Chris@224: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:         SVDEBUG << "Painting " << w << "x" << h
Chris@331:                   << " from draw buffer at " << 0 << "," << 0
Chris@480:                   << " to " << w << "x" << h << " on cache at "
Chris@585:                   << x0 << "," << 0 << endl;
Chris@224: #endif
Chris@224: 
Chris@478:         QPainter cachePainter(&cache.image);
Chris@481: 
Chris@481:         if (bufferBinResolution) {
Chris@481:             int scaledLeft = v->getXForFrame(leftBoundaryFrame);
Chris@481:             int scaledRight = v->getXForFrame(rightBoundaryFrame);
Chris@485: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:             SVDEBUG << "Rescaling image from " << bufwid
Chris@481:                  << "x" << h << " to "
Chris@481:                  << scaledRight-scaledLeft << "x" << h << endl;
Chris@485: #endif
Chris@490:             Preferences::SpectrogramXSmoothing xsmoothing = 
Chris@490:                 Preferences::getInstance()->getSpectrogramXSmoothing();
Chris@587: //            SVDEBUG << "xsmoothing == " << xsmoothing << endl;
Chris@481:             QImage scaled = m_drawBuffer.scaled
Chris@481:                 (scaledRight - scaledLeft, h,
Chris@490:                  Qt::IgnoreAspectRatio,
Chris@490:                  ((xsmoothing == Preferences::SpectrogramXInterpolated) ?
Chris@490:                   Qt::SmoothTransformation : Qt::FastTransformation));
Chris@481:             int scaledLeftCrop = v->getXForFrame(leftCropFrame);
Chris@481:             int scaledRightCrop = v->getXForFrame(rightCropFrame);
Chris@485: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:             SVDEBUG << "Drawing image region of width " << scaledRightCrop - scaledLeftCrop << " to "
Chris@481:                  << scaledLeftCrop << " from " << scaledLeftCrop - scaledLeft << endl;
Chris@485: #endif
Chris@481:             cachePainter.drawImage
Chris@481:                 (QRect(scaledLeftCrop, 0,
Chris@481:                        scaledRightCrop - scaledLeftCrop, h),
Chris@481:                  scaled,
Chris@481:                  QRect(scaledLeftCrop - scaledLeft, 0,
Chris@481:                        scaledRightCrop - scaledLeftCrop, h));
Chris@481:         } else {
Chris@481:             cachePainter.drawImage(QRect(x0, 0, w, h),
Chris@481:                                    m_drawBuffer,
Chris@481:                                    QRect(0, 0, w, h));
Chris@481:         }
Chris@481: 
Chris@331:         cachePainter.end();
Chris@331:     }
Chris@331: 
Chris@337:     QRect pr = rect & cache.validArea;
Chris@337: 
Chris@337: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:     SVDEBUG << "Painting " << pr.width() << "x" << pr.height()
Chris@337:               << " from cache at " << pr.x() << "," << pr.y()
Chris@585:               << " to window" << endl;
Chris@337: #endif
Chris@337: 
Chris@478:     paint.drawImage(pr.x(), pr.y(), cache.image,
Chris@479:                     pr.x(), pr.y(), pr.width(), pr.height());
Chris@479:     //!!!
Chris@479: //    paint.drawImage(v->rect(), cache.image,
Chris@479: //                    QRect(QPoint(0, 0), cache.image.size()));
Chris@337: 
Chris@331:     cache.startFrame = startFrame;
Chris@331:     cache.zoomLevel = zoomLevel;
Chris@119: 
Chris@389:     if (!m_synchronous) {
Chris@389: 
Chris@389:         if (!m_normalizeVisibleArea || !overallMagChanged) {
Chris@0:     
Chris@389:             if (cache.validArea.x() > 0) {
Chris@95: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:                 SVDEBUG << "SpectrogramLayer::paint() updating left (0, "
Chris@585:                           << cache.validArea.x() << ")" << endl;
Chris@95: #endif
Chris@389:                 v->update(0, 0, cache.validArea.x(), h);
Chris@389:             }
Chris@389:             
Chris@389:             if (cache.validArea.x() + cache.validArea.width() <
Chris@478:                 cache.image.width()) {
Chris@389: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:                 SVDEBUG << "SpectrogramLayer::paint() updating right ("
Chris@389:                           << cache.validArea.x() + cache.validArea.width()
Chris@389:                           << ", "
Chris@478:                           << cache.image.width() - (cache.validArea.x() +
Chris@389:                                                      cache.validArea.width())
Chris@585:                           << ")" << endl;
Chris@389: #endif
Chris@389:                 v->update(cache.validArea.x() + cache.validArea.width(),
Chris@389:                           0,
Chris@478:                           cache.image.width() - (cache.validArea.x() +
Chris@389:                                                   cache.validArea.width()),
Chris@389:                           h);
Chris@389:             }
Chris@389:         } else {
Chris@389:             // overallMagChanged
Chris@682:             cerr << "\noverallMagChanged - updating all\n" << endl;
Chris@389:             cache.validArea = QRect();
Chris@389:             v->update();
Chris@119:         }
Chris@95:     }
Chris@0: 
Chris@121:     illuminateLocalFeatures(v, paint);
Chris@120: 
Chris@0: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:     SVDEBUG << "SpectrogramLayer::paint() returning" << endl;
Chris@0: #endif
Chris@131: 
Chris@389:     if (!m_synchronous) {
Chris@389:         m_lastPaintBlockWidth = paintBlockWidth;
Chris@389:         (void)gettimeofday(&tv, 0);
Chris@389:         m_lastPaintTime = RealTime::fromTimeval(tv) - mainPaintStart;
Chris@389:     }
Chris@215: 
Chris@473: //!!!    if (fftSuspended) fft->resume();
Chris@0: }
Chris@0: 
Chris@480: bool
Chris@488: SpectrogramLayer::paintDrawBufferPeakFrequencies(View *v,
Chris@488:                                                  int w,
Chris@488:                                                  int h,
Chris@488:                                                  int *binforx,
Chris@488:                                                  int minbin,
Chris@488:                                                  int maxbin,
Chris@488:                                                  float displayMinFreq,
Chris@488:                                                  float displayMaxFreq,
Chris@491:                                                  bool logarithmic,
Chris@491:                                                  MagnitudeRange &overallMag,
Chris@491:                                                  bool &overallMagChanged) const
Chris@488: {
Chris@488:     Profiler profiler("SpectrogramLayer::paintDrawBufferPeakFrequencies");
Chris@488: 
Chris@488: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@488:     cerr << "minbin " << minbin << ", maxbin " << maxbin << "; w " << w << ", h " << h << endl;
Chris@488: #endif
Chris@488:     if (minbin < 0) minbin = 0;
Chris@488:     if (maxbin < 0) maxbin = minbin+1;
Chris@488: 
Chris@488:     FFTModel *fft = getFFTModel(v);
Chris@488:     if (!fft) return false;
Chris@488: 
Chris@488:     FFTModel::PeakSet peakfreqs;
Chris@488: 
Chris@488:     int px = -1, psx = -1;
Chris@545: 
Chris@545: #ifdef __GNUC__
Chris@488:     float values[maxbin - minbin + 1];
Chris@545: #else
Chris@545:     float *values = (float *)alloca((maxbin - minbin + 1) * sizeof(float));
Chris@545: #endif
Chris@488: 
Chris@488:     for (int x = 0; x < w; ++x) {
Chris@488:         
Chris@488:         if (binforx[x] < 0) continue;
Chris@488: 
Chris@488:         float columnMax = 0.f;
Chris@488: 
Chris@488:         int sx0 = binforx[x];
Chris@488:         int sx1 = sx0;
Chris@488:         if (x+1 < w) sx1 = binforx[x+1];
Chris@488:         if (sx0 < 0) sx0 = sx1 - 1;
Chris@488:         if (sx0 < 0) continue;
Chris@488:         if (sx1 <= sx0) sx1 = sx0 + 1;
Chris@488: 
Chris@488:         for (int sx = sx0; sx < sx1; ++sx) {
Chris@488: 
Chris@488:             if (x == px && sx == psx) continue;
Chris@488:             if (sx < 0 || sx >= int(fft->getWidth())) continue;
Chris@488: 
Chris@488:             if (!m_synchronous) {
Chris@488:                 if (!fft->isColumnAvailable(sx)) {
Chris@488: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:                     cerr << "Met unavailable column at col " << sx << endl;
Chris@488: #endif
Chris@488:                     return false;
Chris@488:                 }
Chris@488:             }
Chris@488: 
Chris@488:             MagnitudeRange mag;
Chris@488: 
Chris@488:             if (sx != psx) {
Chris@488:                 peakfreqs = fft->getPeakFrequencies(FFTModel::AllPeaks, sx,
Chris@488:                                                     minbin, maxbin - 1);
Chris@488:                 if (m_colourScale == PhaseColourScale) {
Chris@488:                     fft->getPhasesAt(sx, values, minbin, maxbin - minbin + 1);
Chris@488:                 } else if (m_normalizeColumns) {
Chris@488:                     fft->getNormalizedMagnitudesAt(sx, values, minbin, maxbin - minbin + 1);
Chris@719:                 } else if (m_normalizeHybrid) {
Chris@719:                     fft->getNormalizedMagnitudesAt(sx, values, minbin, maxbin - minbin + 1);
Chris@719:                     float max = fft->getMaximumMagnitudeAt(sx);
Chris@719:                     if (max > 0.f) {
Chris@719:                         for (int i = minbin; i <= maxbin; ++i) {
Chris@719:                             values[i - minbin] *= log10(max);
Chris@719:                         }
Chris@719:                     }
Chris@488:                 } else {
Chris@488:                     fft->getMagnitudesAt(sx, values, minbin, maxbin - minbin + 1);
Chris@488:                 }
Chris@488:                 psx = sx;
Chris@488:             }
Chris@488: 
Chris@488:             for (FFTModel::PeakSet::const_iterator pi = peakfreqs.begin();
Chris@488:                  pi != peakfreqs.end(); ++pi) {
Chris@488: 
Chris@488:                 int bin = pi->first;
Chris@488:                 int freq = pi->second;
Chris@488: 
Chris@488:                 if (bin < minbin) continue;
Chris@488:                 if (bin > maxbin) break;
Chris@488: 
Chris@488:                 float value = values[bin - minbin];
Chris@488: 
Chris@488:                 if (m_colourScale != PhaseColourScale) {
Chris@719:                     if (!m_normalizeColumns && !m_normalizeHybrid) {
Chris@488:                         value /= (m_fftSize/2.f);
Chris@488:                     }
Chris@488:                     mag.sample(value);
Chris@488:                     value *= m_gain;
Chris@488:                 }
Chris@488: 
Chris@488:                 float y = v->getYForFrequency
Chris@488:                     (freq, displayMinFreq, displayMaxFreq, logarithmic);
Chris@488: 
Chris@558:                 int iy = int(y + 0.5);
Chris@558:                 if (iy < 0 || iy >= h) continue;
Chris@558: 
Chris@558:                 m_drawBuffer.setPixel(x, iy, getDisplayValue(v, value));
Chris@488:             }
Chris@488: 
Chris@488:             if (mag.isSet()) {
Chris@488:                 if (sx >= int(m_columnMags.size())) {
Chris@540: #ifdef DEBUG_SPECTROGRAM
Chris@682:                     cerr << "INTERNAL ERROR: " << sx << " >= "
Chris@488:                               << m_columnMags.size()
Chris@488:                               << " at SpectrogramLayer.cpp::paintDrawBuffer"
Chris@682:                               << endl;
Chris@540: #endif
Chris@490:                 } else {
Chris@490:                     m_columnMags[sx].sample(mag);
Chris@491:                     if (overallMag.sample(mag)) overallMagChanged = true;
Chris@488:                 }
Chris@488:             }
Chris@488:         }
Chris@488:     }
Chris@488: 
Chris@488:     return true;
Chris@488: }
Chris@488: 
Chris@488: bool
Chris@481: SpectrogramLayer::paintDrawBuffer(View *v,
Chris@481:                                   int w,
Chris@481:                                   int h,
Chris@481:                                   int *binforx,
Chris@490:                                   float *binfory,
Chris@491:                                   bool usePeaksCache,
Chris@491:                                   MagnitudeRange &overallMag,
Chris@491:                                   bool &overallMagChanged) const
Chris@480: {
Chris@481:     Profiler profiler("SpectrogramLayer::paintDrawBuffer");
Chris@480: 
Chris@490:     int minbin = int(binfory[0] + 0.0001);
Chris@480:     int maxbin = binfory[h-1];
Chris@480: 
Chris@485: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@481:     cerr << "minbin " << minbin << ", maxbin " << maxbin << "; w " << w << ", h " << h << endl;
Chris@485: #endif
Chris@480:     if (minbin < 0) minbin = 0;
Chris@480:     if (maxbin < 0) maxbin = minbin+1;
Chris@480: 
Chris@484:     DenseThreeDimensionalModel *sourceModel = 0;
Chris@484:     FFTModel *fft = 0;
Chris@484:     int divisor = 1;
Chris@485: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@484:     cerr << "Note: bin display = " << m_binDisplay << ", w = " << w << ", binforx[" << w-1 << "] = " << binforx[w-1] << ", binforx[0] = " << binforx[0] << endl;
Chris@485: #endif
Chris@484:     if (usePeaksCache) { //!!!
Chris@484:         sourceModel = getPeakCache(v);
Chris@484:         divisor = 8;//!!!
Chris@484:         minbin = 0;
Chris@484:         maxbin = sourceModel->getHeight();
Chris@484:     } else {
Chris@484:         sourceModel = fft = getFFTModel(v);
Chris@484:     }
Chris@484: 
Chris@484:     if (!sourceModel) return false;
Chris@484: 
Chris@490:     bool interpolate = false;
Chris@490:     Preferences::SpectrogramSmoothing smoothing = 
Chris@490:         Preferences::getInstance()->getSpectrogramSmoothing();
Chris@490:     if (smoothing == Preferences::SpectrogramInterpolated ||
Chris@490:         smoothing == Preferences::SpectrogramZeroPaddedAndInterpolated) {
Chris@490:         if (m_binDisplay != PeakBins &&
Chris@490:             m_binDisplay != PeakFrequencies) {
Chris@490:             interpolate = true;
Chris@490:         }
Chris@490:     }
Chris@490: 
Chris@480:     int psx = -1;
Chris@545: 
Chris@545: #ifdef __GNUC__
Chris@490:     float autoarray[maxbin - minbin + 1];
Chris@545:     float peaks[h];
Chris@545: #else
Chris@545:     float *autoarray = (float *)alloca((maxbin - minbin + 1) * sizeof(float));
Chris@545:     float *peaks = (float *)alloca(h * sizeof(float));
Chris@545: #endif
Chris@545: 
Chris@490:     const float *values = autoarray;
Chris@484:     DenseThreeDimensionalModel::Column c;
Chris@480: 
Chris@480:     for (int x = 0; x < w; ++x) {
Chris@480:         
Chris@482:         if (binforx[x] < 0) continue;
Chris@482: 
Chris@488: //        float columnGain = m_gain;
Chris@487:         float columnMax = 0.f;
Chris@487: 
Chris@484:         int sx0 = binforx[x] / divisor;
Chris@483:         int sx1 = sx0;
Chris@484:         if (x+1 < w) sx1 = binforx[x+1] / divisor;
Chris@483:         if (sx0 < 0) sx0 = sx1 - 1;
Chris@483:         if (sx0 < 0) continue;
Chris@483:         if (sx1 <= sx0) sx1 = sx0 + 1;
Chris@483: 
Chris@483:         for (int y = 0; y < h; ++y) peaks[y] = 0.f;
Chris@480:             
Chris@483:         for (int sx = sx0; sx < sx1; ++sx) {
Chris@483: 
Chris@518: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682: //            cerr << "sx = " << sx << endl;
Chris@518: #endif
Chris@518: 
Chris@484:             if (sx < 0 || sx >= int(sourceModel->getWidth())) continue;
Chris@483: 
Chris@483:             if (!m_synchronous) {
Chris@484:                 if (!sourceModel->isColumnAvailable(sx)) {
Chris@480: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@682:                     cerr << "Met unavailable column at col " << sx << endl;
Chris@480: #endif
Chris@483:                     return false;
Chris@480:                 }
Chris@483:             }
Chris@483: 
Chris@488:             MagnitudeRange mag;
Chris@488: 
Chris@483:             if (sx != psx) {
Chris@484:                 if (fft) {
Chris@485: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:                     SVDEBUG << "Retrieving column " << sx << " from fft directly" << endl;
Chris@485: #endif
Chris@487:                     if (m_colourScale == PhaseColourScale) {
Chris@490:                         fft->getPhasesAt(sx, autoarray, minbin, maxbin - minbin + 1);
Chris@487:                     } else if (m_normalizeColumns) {
Chris@490:                         fft->getNormalizedMagnitudesAt(sx, autoarray, minbin, maxbin - minbin + 1);
Chris@719:                     } else if (m_normalizeHybrid) {
Chris@719:                         fft->getNormalizedMagnitudesAt(sx, autoarray, minbin, maxbin - minbin + 1);
Chris@719:                         float max = fft->getMaximumMagnitudeAt(sx);
Chris@719:                         for (int i = minbin; i <= maxbin; ++i) {
Chris@719:                             if (max > 0.f) {
Chris@719:                                 autoarray[i - minbin] *= log10(max);
Chris@719:                             }
Chris@719:                         }
Chris@487:                     } else {
Chris@490:                         fft->getMagnitudesAt(sx, autoarray, minbin, maxbin - minbin + 1);
Chris@487:                     }
Chris@484:                 } else {
Chris@485: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:                     SVDEBUG << "Retrieving column " << sx << " from peaks cache" << endl;
Chris@485: #endif
Chris@484:                     c = sourceModel->getColumn(sx);
Chris@719:                     if (m_normalizeColumns || m_normalizeHybrid) {
Chris@487:                         for (int y = 0; y < h; ++y) {
Chris@487:                             if (c[y] > columnMax) columnMax = c[y];
Chris@487:                         }
Chris@487:                     }
Chris@490:                     values = c.constData() + minbin;
Chris@484:                 }
Chris@483:                 psx = sx;
Chris@483:             }
Chris@483: 
Chris@483:             for (int y = 0; y < h; ++y) {
Chris@480: 
Chris@490:                 float sy0 = binfory[y];
Chris@490:                 float sy1 = sy0 + 1;
Chris@481:                 if (y+1 < h) sy1 = binfory[y+1];
Chris@490: 
Chris@490:                 float value = 0.f;
Chris@490: 
Chris@490:                 if (interpolate && fabsf(sy1 - sy0) < 1.f) {
Chris@490: 
Chris@490:                     float centre = (sy0 + sy1) / 2;
Chris@490:                     float dist = (centre - 0.5) - lrintf(centre - 0.5);
Chris@490:                     int bin = int(centre);
Chris@490:                     int other = (dist < 0 ? (bin-1) : (bin+1));
Chris@490:                     if (bin < minbin) bin = minbin;
Chris@490:                     if (bin > maxbin) bin = maxbin;
Chris@490:                     if (other < minbin || other > maxbin) other = bin;
Chris@490:                     float prop = 1.f - fabsf(dist);
Chris@490: 
Chris@490:                     float v0 = values[bin - minbin];
Chris@490:                     float v1 = values[other - minbin];
Chris@490:                     if (m_binDisplay == PeakBins) {
Chris@490:                         if (bin == minbin || bin == maxbin ||
Chris@490:                             v0 < values[bin-minbin-1] ||
Chris@490:                             v0 < values[bin-minbin+1]) v0 = 0.f;
Chris@490:                         if (other == minbin || other == maxbin ||
Chris@490:                             v1 < values[other-minbin-1] ||
Chris@490:                             v1 < values[other-minbin+1]) v1 = 0.f;
Chris@489:                     }
Chris@490:                     if (v0 == 0.f && v1 == 0.f) continue;
Chris@490:                     value = prop * v0 + (1.f - prop) * v1;
Chris@484: 
Chris@488:                     if (m_colourScale != PhaseColourScale) {
Chris@488:                         if (!m_normalizeColumns) {
Chris@488:                             value /= (m_fftSize/2.f);
Chris@488:                         }
Chris@488:                         mag.sample(value);
Chris@488:                         value *= m_gain;
Chris@488:                     }
Chris@488: 
Chris@490:                     peaks[y] = value;
Chris@490: 
Chris@490:                 } else {                    
Chris@490: 
Chris@490:                     int by0 = int(sy0 + 0.0001);
Chris@490:                     int by1 = int(sy1 + 0.0001);
Chris@490:                     if (by1 < by0 + 1) by1 = by0 + 1;
Chris@490: 
Chris@490:                     for (int bin = by0; bin < by1; ++bin) {
Chris@490: 
Chris@490:                         value = values[bin - minbin];
Chris@490:                         if (m_binDisplay == PeakBins) {
Chris@490:                             if (bin == minbin || bin == maxbin ||
Chris@490:                                 value < values[bin-minbin-1] ||
Chris@490:                                 value < values[bin-minbin+1]) continue;
Chris@480:                         }
Chris@490: 
Chris@490:                         if (m_colourScale != PhaseColourScale) {
Chris@490:                             if (!m_normalizeColumns) {
Chris@490:                                 value /= (m_fftSize/2.f);
Chris@490:                             }
Chris@490:                             mag.sample(value);
Chris@490:                             value *= m_gain;
Chris@490:                         }
Chris@490: 
Chris@490:                         if (value > peaks[y]) peaks[y] = value; //!!! not right for phase!
Chris@480:                     }
Chris@480:                 }
Chris@483:             }
Chris@488: 
Chris@488:             if (mag.isSet()) {
Chris@488:                 if (sx >= int(m_columnMags.size())) {
Chris@540: #ifdef DEBUG_SPECTROGRAM
Chris@682:                     cerr << "INTERNAL ERROR: " << sx << " >= "
Chris@488:                               << m_columnMags.size()
Chris@488:                               << " at SpectrogramLayer.cpp::paintDrawBuffer"
Chris@682:                               << endl;
Chris@540: #endif
Chris@490:                 } else {
Chris@490:                     m_columnMags[sx].sample(mag);
Chris@491:                     if (overallMag.sample(mag)) overallMagChanged = true;
Chris@488:                 }
Chris@488:             }
Chris@483:         }
Chris@483: 
Chris@483:         for (int y = 0; y < h; ++y) {
Chris@483: 
Chris@483:             float peak = peaks[y];
Chris@483:             
Chris@488:             if (m_colourScale != PhaseColourScale &&
Chris@719:                 (m_normalizeColumns || m_normalizeHybrid) && 
Chris@488:                 columnMax > 0.f) {
Chris@488:                 peak /= columnMax;
Chris@719:                 if (m_normalizeHybrid) {
Chris@719:                     peak *= log10(columnMax);
Chris@719:                 }
Chris@480:             }
Chris@483:             
Chris@483:             unsigned char peakpix = getDisplayValue(v, peak);
Chris@480: 
Chris@480:             m_drawBuffer.setPixel(x, h-y-1, peakpix);
Chris@480:         }
Chris@480:     }
Chris@480: 
Chris@480:     return true;
Chris@480: }
Chris@477: 
Chris@121: void
Chris@121: SpectrogramLayer::illuminateLocalFeatures(View *v, QPainter &paint) const
Chris@121: {
Chris@382:     Profiler profiler("SpectrogramLayer::illuminateLocalFeatures");
Chris@382: 
Chris@121:     QPoint localPos;
Chris@121:     if (!v->shouldIlluminateLocalFeatures(this, localPos) || !m_model) {
Chris@121:         return;
Chris@121:     }
Chris@121: 
Chris@682: //    cerr << "SpectrogramLayer: illuminateLocalFeatures("
Chris@682: //              << localPos.x() << "," << localPos.y() << ")" << endl;
Chris@121: 
Chris@121:     float s0, s1;
Chris@121:     float f0, f1;
Chris@121: 
Chris@121:     if (getXBinRange(v, localPos.x(), s0, s1) &&
Chris@121:         getYBinSourceRange(v, localPos.y(), f0, f1)) {
Chris@121:         
Chris@121:         int s0i = int(s0 + 0.001);
Chris@121:         int s1i = int(s1);
Chris@121:         
Chris@121:         int x0 = v->getXForFrame(s0i * getWindowIncrement());
Chris@121:         int x1 = v->getXForFrame((s1i + 1) * getWindowIncrement());
Chris@121: 
Chris@248:         int y1 = int(getYForFrequency(v, f1));
Chris@248:         int y0 = int(getYForFrequency(v, f0));
Chris@121:         
Chris@682: //        cerr << "SpectrogramLayer: illuminate "
Chris@682: //                  << x0 << "," << y1 << " -> " << x1 << "," << y0 << endl;
Chris@121:         
Chris@287:         paint.setPen(v->getForeground());
Chris@133: 
Chris@133:         //!!! should we be using paintCrosshairs for this?
Chris@133: 
Chris@121:         paint.drawRect(x0, y1, x1 - x0 + 1, y0 - y1 + 1);
Chris@121:     }
Chris@121: }
Chris@121: 
Chris@42: float
Chris@267: SpectrogramLayer::getYForFrequency(const View *v, float frequency) const
Chris@42: {
Chris@44:     return v->getYForFrequency(frequency,
Chris@44: 			       getEffectiveMinFrequency(),
Chris@44: 			       getEffectiveMaxFrequency(),
Chris@44: 			       m_frequencyScale == LogFrequencyScale);
Chris@42: }
Chris@42: 
Chris@42: float
Chris@267: SpectrogramLayer::getFrequencyForY(const View *v, int y) const
Chris@42: {
Chris@44:     return v->getFrequencyForY(y,
Chris@44: 			       getEffectiveMinFrequency(),
Chris@44: 			       getEffectiveMaxFrequency(),
Chris@44: 			       m_frequencyScale == LogFrequencyScale);
Chris@42: }
Chris@42: 
Chris@0: int
Chris@115: SpectrogramLayer::getCompletion(View *v) const
Chris@0: {
Chris@115:     if (m_updateTimer == 0) return 100;
Chris@130:     if (m_fftModels.find(v) == m_fftModels.end()) return 100;
Chris@130: 
Chris@130:     size_t completion = m_fftModels[v].first->getCompletion();
Chris@224: #ifdef DEBUG_SPECTROGRAM_REPAINT
Chris@587:     SVDEBUG << "SpectrogramLayer::getCompletion: completion = " << completion << endl;
Chris@224: #endif
Chris@0:     return completion;
Chris@0: }
Chris@0: 
Chris@583: QString
Chris@583: SpectrogramLayer::getError(View *v) const
Chris@583: {
Chris@583:     if (m_fftModels.find(v) == m_fftModels.end()) return "";
Chris@583:     return m_fftModels[v].first->getError();
Chris@583: }
Chris@583: 
Chris@28: bool
Chris@101: SpectrogramLayer::getValueExtents(float &min, float &max,
Chris@101:                                   bool &logarithmic, QString &unit) const
Chris@79: {
Chris@133:     if (!m_model) return false;
Chris@133: 
Chris@133:     int sr = m_model->getSampleRate();
Chris@133:     min = float(sr) / m_fftSize;
Chris@133:     max = float(sr) / 2;
Chris@133:     
Chris@101:     logarithmic = (m_frequencyScale == LogFrequencyScale);
Chris@79:     unit = "Hz";
Chris@79:     return true;
Chris@79: }
Chris@79: 
Chris@79: bool
Chris@101: SpectrogramLayer::getDisplayExtents(float &min, float &max) const
Chris@101: {
Chris@101:     min = getEffectiveMinFrequency();
Chris@101:     max = getEffectiveMaxFrequency();
Chris@253: 
Chris@587: //    SVDEBUG << "SpectrogramLayer::getDisplayExtents: " << min << "->" << max << endl;
Chris@101:     return true;
Chris@101: }    
Chris@101: 
Chris@101: bool
Chris@120: SpectrogramLayer::setDisplayExtents(float min, float max)
Chris@120: {
Chris@120:     if (!m_model) return false;
Chris@187: 
Chris@587: //    SVDEBUG << "SpectrogramLayer::setDisplayExtents: " << min << "->" << max << endl;
Chris@187: 
Chris@120:     if (min < 0) min = 0;
Chris@120:     if (max > m_model->getSampleRate()/2) max = m_model->getSampleRate()/2;
Chris@120:     
Chris@120:     size_t minf = lrintf(min);
Chris@120:     size_t maxf = lrintf(max);
Chris@120: 
Chris@120:     if (m_minFrequency == minf && m_maxFrequency == maxf) return true;
Chris@120: 
Chris@478:     invalidateImageCaches();
Chris@120:     invalidateMagnitudes();
Chris@120: 
Chris@120:     m_minFrequency = minf;
Chris@120:     m_maxFrequency = maxf;
Chris@120:     
Chris@120:     emit layerParametersChanged();
Chris@120: 
Chris@133:     int vs = getCurrentVerticalZoomStep();
Chris@133:     if (vs != m_lastEmittedZoomStep) {
Chris@133:         emit verticalZoomChanged();
Chris@133:         m_lastEmittedZoomStep = vs;
Chris@133:     }
Chris@133: 
Chris@120:     return true;
Chris@120: }
Chris@120: 
Chris@120: bool
Chris@267: SpectrogramLayer::getYScaleValue(const View *v, int y,
Chris@261:                                  float &value, QString &unit) const
Chris@261: {
Chris@261:     value = getFrequencyForY(v, y);
Chris@261:     unit = "Hz";
Chris@261:     return true;
Chris@261: }
Chris@261: 
Chris@261: bool
Chris@248: SpectrogramLayer::snapToFeatureFrame(View *, int &frame,
Chris@28: 				     size_t &resolution,
Chris@28: 				     SnapType snap) const
Chris@13: {
Chris@13:     resolution = getWindowIncrement();
Chris@28:     int left = (frame / resolution) * resolution;
Chris@28:     int right = left + resolution;
Chris@28: 
Chris@28:     switch (snap) {
Chris@28:     case SnapLeft:  frame = left;  break;
Chris@28:     case SnapRight: frame = right; break;
Chris@28:     case SnapNearest:
Chris@28:     case SnapNeighbouring:
Chris@28: 	if (frame - left > right - frame) frame = right;
Chris@28: 	else frame = left;
Chris@28: 	break;
Chris@28:     }
Chris@28:     
Chris@28:     return true;
Chris@28: } 
Chris@13: 
Chris@283: void
Chris@283: SpectrogramLayer::measureDoubleClick(View *v, QMouseEvent *e)
Chris@283: {
Chris@478:     ImageCache &cache = m_imageCaches[v];
Chris@478: 
Chris@682:     cerr << "cache width: " << cache.image.width() << ", height: "
Chris@682:               << cache.image.height() << endl;
Chris@478: 
Chris@478:     QImage image = cache.image;
Chris@283: 
Chris@283:     ImageRegionFinder finder;
Chris@283:     QRect rect = finder.findRegionExtents(&image, e->pos());
Chris@283:     if (rect.isValid()) {
Chris@283:         MeasureRect mr;
Chris@283:         setMeasureRectFromPixrect(v, mr, rect);
Chris@283:         CommandHistory::getInstance()->addCommand
Chris@283:             (new AddMeasurementRectCommand(this, mr));
Chris@283:     }
Chris@283: }
Chris@283: 
Chris@77: bool
Chris@264: SpectrogramLayer::getCrosshairExtents(View *v, QPainter &paint,
Chris@77:                                       QPoint cursorPos,
Chris@77:                                       std::vector<QRect> &extents) const
Chris@77: {
Chris@77:     QRect vertical(cursorPos.x() - 12, 0, 12, v->height());
Chris@77:     extents.push_back(vertical);
Chris@77: 
Chris@77:     QRect horizontal(0, cursorPos.y(), cursorPos.x(), 1);
Chris@77:     extents.push_back(horizontal);
Chris@77: 
Chris@608:     int sw = getVerticalScaleWidth(v, m_haveDetailedScale, paint);
Chris@264: 
Chris@280:     QRect freq(sw, cursorPos.y() - paint.fontMetrics().ascent() - 2,
Chris@280:                paint.fontMetrics().width("123456 Hz") + 2,
Chris@280:                paint.fontMetrics().height());
Chris@280:     extents.push_back(freq);
Chris@264: 
Chris@279:     QRect pitch(sw, cursorPos.y() + 2,
Chris@279:                 paint.fontMetrics().width("C#10+50c") + 2,
Chris@279:                 paint.fontMetrics().height());
Chris@279:     extents.push_back(pitch);
Chris@279: 
Chris@280:     QRect rt(cursorPos.x(),
Chris@280:              v->height() - paint.fontMetrics().height() - 2,
Chris@280:              paint.fontMetrics().width("1234.567 s"),
Chris@280:              paint.fontMetrics().height());
Chris@280:     extents.push_back(rt);
Chris@280: 
Chris@280:     int w(paint.fontMetrics().width("1234567890") + 2);
Chris@280:     QRect frame(cursorPos.x() - w - 2,
Chris@280:                 v->height() - paint.fontMetrics().height() - 2,
Chris@280:                 w,
Chris@280:                 paint.fontMetrics().height());
Chris@280:     extents.push_back(frame);
Chris@280: 
Chris@77:     return true;
Chris@77: }
Chris@77: 
Chris@77: void
Chris@77: SpectrogramLayer::paintCrosshairs(View *v, QPainter &paint,
Chris@77:                                   QPoint cursorPos) const
Chris@77: {
Chris@77:     paint.save();
Chris@283: 
Chris@608:     int sw = getVerticalScaleWidth(v, m_haveDetailedScale, paint);
Chris@283: 
Chris@282:     QFont fn = paint.font();
Chris@282:     if (fn.pointSize() > 8) {
Chris@282:         fn.setPointSize(fn.pointSize() - 1);
Chris@282:         paint.setFont(fn);
Chris@282:     }
Chris@77:     paint.setPen(m_crosshairColour);
Chris@77: 
Chris@77:     paint.drawLine(0, cursorPos.y(), cursorPos.x() - 1, cursorPos.y());
Chris@77:     paint.drawLine(cursorPos.x(), 0, cursorPos.x(), v->height());
Chris@77:     
Chris@77:     float fundamental = getFrequencyForY(v, cursorPos.y());
Chris@77: 
Chris@278:     v->drawVisibleText(paint,
Chris@278:                        sw + 2,
Chris@278:                        cursorPos.y() - 2,
Chris@278:                        QString("%1 Hz").arg(fundamental),
Chris@278:                        View::OutlinedText);
Chris@278: 
Chris@279:     if (Pitch::isFrequencyInMidiRange(fundamental)) {
Chris@279:         QString pitchLabel = Pitch::getPitchLabelForFrequency(fundamental);
Chris@279:         v->drawVisibleText(paint,
Chris@279:                            sw + 2,
Chris@279:                            cursorPos.y() + paint.fontMetrics().ascent() + 2,
Chris@279:                            pitchLabel,
Chris@279:                            View::OutlinedText);
Chris@279:     }
Chris@279: 
Chris@280:     long frame = v->getFrameForX(cursorPos.x());
Chris@279:     RealTime rt = RealTime::frame2RealTime(frame, m_model->getSampleRate());
Chris@280:     QString rtLabel = QString("%1 s").arg(rt.toText(true).c_str());
Chris@280:     QString frameLabel = QString("%1").arg(frame);
Chris@280:     v->drawVisibleText(paint,
Chris@280:                        cursorPos.x() - paint.fontMetrics().width(frameLabel) - 2,
Chris@280:                        v->height() - 2,
Chris@280:                        frameLabel,
Chris@280:                        View::OutlinedText);
Chris@280:     v->drawVisibleText(paint,
Chris@280:                        cursorPos.x() + 2,
Chris@280:                        v->height() - 2,
Chris@280:                        rtLabel,
Chris@280:                        View::OutlinedText);
Chris@264: 
Chris@77:     int harmonic = 2;
Chris@77: 
Chris@77:     while (harmonic < 100) {
Chris@77: 
Chris@77:         float hy = lrintf(getYForFrequency(v, fundamental * harmonic));
Chris@77:         if (hy < 0 || hy > v->height()) break;
Chris@77:         
Chris@77:         int len = 7;
Chris@77: 
Chris@77:         if (harmonic % 2 == 0) {
Chris@77:             if (harmonic % 4 == 0) {
Chris@77:                 len = 12;
Chris@77:             } else {
Chris@77:                 len = 10;
Chris@77:             }
Chris@77:         }
Chris@77: 
Chris@77:         paint.drawLine(cursorPos.x() - len,
Chris@248:                        int(hy),
Chris@77:                        cursorPos.x(),
Chris@248:                        int(hy));
Chris@77: 
Chris@77:         ++harmonic;
Chris@77:     }
Chris@77: 
Chris@77:     paint.restore();
Chris@77: }
Chris@77: 
Chris@25: QString
Chris@44: SpectrogramLayer::getFeatureDescription(View *v, QPoint &pos) const
Chris@25: {
Chris@25:     int x = pos.x();
Chris@25:     int y = pos.y();
Chris@0: 
Chris@25:     if (!m_model || !m_model->isOK()) return "";
Chris@0: 
Chris@38:     float magMin = 0, magMax = 0;
Chris@38:     float phaseMin = 0, phaseMax = 0;
Chris@0:     float freqMin = 0, freqMax = 0;
Chris@35:     float adjFreqMin = 0, adjFreqMax = 0;
Chris@25:     QString pitchMin, pitchMax;
Chris@0:     RealTime rtMin, rtMax;
Chris@0: 
Chris@38:     bool haveValues = false;
Chris@0: 
Chris@44:     if (!getXBinSourceRange(v, x, rtMin, rtMax)) {
Chris@38: 	return "";
Chris@38:     }
Chris@44:     if (getXYBinSourceRange(v, x, y, magMin, magMax, phaseMin, phaseMax)) {
Chris@38: 	haveValues = true;
Chris@38:     }
Chris@0: 
Chris@35:     QString adjFreqText = "", adjPitchText = "";
Chris@35: 
Chris@38:     if (m_binDisplay == PeakFrequencies) {
Chris@35: 
Chris@44: 	if (!getAdjustedYBinSourceRange(v, x, y, freqMin, freqMax,
Chris@38: 					adjFreqMin, adjFreqMax)) {
Chris@38: 	    return "";
Chris@38: 	}
Chris@35: 
Chris@35: 	if (adjFreqMin != adjFreqMax) {
Chris@65: 	    adjFreqText = tr("Peak Frequency:\t%1 - %2 Hz\n")
Chris@35: 		.arg(adjFreqMin).arg(adjFreqMax);
Chris@35: 	} else {
Chris@65: 	    adjFreqText = tr("Peak Frequency:\t%1 Hz\n")
Chris@35: 		.arg(adjFreqMin);
Chris@38: 	}
Chris@38: 
Chris@38: 	QString pmin = Pitch::getPitchLabelForFrequency(adjFreqMin);
Chris@38: 	QString pmax = Pitch::getPitchLabelForFrequency(adjFreqMax);
Chris@38: 
Chris@38: 	if (pmin != pmax) {
Chris@65: 	    adjPitchText = tr("Peak Pitch:\t%3 - %4\n").arg(pmin).arg(pmax);
Chris@38: 	} else {
Chris@65: 	    adjPitchText = tr("Peak Pitch:\t%2\n").arg(pmin);
Chris@35: 	}
Chris@35: 
Chris@35:     } else {
Chris@35: 	
Chris@44: 	if (!getYBinSourceRange(v, y, freqMin, freqMax)) return "";
Chris@35:     }
Chris@35: 
Chris@25:     QString text;
Chris@25: 
Chris@25:     if (rtMin != rtMax) {
Chris@25: 	text += tr("Time:\t%1 - %2\n")
Chris@25: 	    .arg(rtMin.toText(true).c_str())
Chris@25: 	    .arg(rtMax.toText(true).c_str());
Chris@25:     } else {
Chris@25: 	text += tr("Time:\t%1\n")
Chris@25: 	    .arg(rtMin.toText(true).c_str());
Chris@0:     }
Chris@0: 
Chris@25:     if (freqMin != freqMax) {
Chris@65: 	text += tr("%1Bin Frequency:\t%2 - %3 Hz\n%4Bin Pitch:\t%5 - %6\n")
Chris@65: 	    .arg(adjFreqText)
Chris@25: 	    .arg(freqMin)
Chris@25: 	    .arg(freqMax)
Chris@65: 	    .arg(adjPitchText)
Chris@65: 	    .arg(Pitch::getPitchLabelForFrequency(freqMin))
Chris@65: 	    .arg(Pitch::getPitchLabelForFrequency(freqMax));
Chris@65:     } else {
Chris@65: 	text += tr("%1Bin Frequency:\t%2 Hz\n%3Bin Pitch:\t%4\n")
Chris@35: 	    .arg(adjFreqText)
Chris@25: 	    .arg(freqMin)
Chris@65: 	    .arg(adjPitchText)
Chris@65: 	    .arg(Pitch::getPitchLabelForFrequency(freqMin));
Chris@25:     }	
Chris@25: 
Chris@38:     if (haveValues) {
Chris@38: 	float dbMin = AudioLevel::multiplier_to_dB(magMin);
Chris@38: 	float dbMax = AudioLevel::multiplier_to_dB(magMax);
Chris@43: 	QString dbMinString;
Chris@43: 	QString dbMaxString;
Chris@43: 	if (dbMin == AudioLevel::DB_FLOOR) {
Chris@43: 	    dbMinString = tr("-Inf");
Chris@43: 	} else {
Chris@43: 	    dbMinString = QString("%1").arg(lrintf(dbMin));
Chris@43: 	}
Chris@43: 	if (dbMax == AudioLevel::DB_FLOOR) {
Chris@43: 	    dbMaxString = tr("-Inf");
Chris@43: 	} else {
Chris@43: 	    dbMaxString = QString("%1").arg(lrintf(dbMax));
Chris@43: 	}
Chris@25: 	if (lrintf(dbMin) != lrintf(dbMax)) {
Chris@199: 	    text += tr("dB:\t%1 - %2").arg(dbMinString).arg(dbMaxString);
Chris@25: 	} else {
Chris@199: 	    text += tr("dB:\t%1").arg(dbMinString);
Chris@25: 	}
Chris@38: 	if (phaseMin != phaseMax) {
Chris@38: 	    text += tr("\nPhase:\t%1 - %2").arg(phaseMin).arg(phaseMax);
Chris@38: 	} else {
Chris@38: 	    text += tr("\nPhase:\t%1").arg(phaseMin);
Chris@38: 	}
Chris@25:     }
Chris@25: 
Chris@25:     return text;
Chris@0: }
Chris@25: 
Chris@0: int
Chris@40: SpectrogramLayer::getColourScaleWidth(QPainter &paint) const
Chris@40: {
Chris@40:     int cw;
Chris@40: 
Chris@119:     cw = paint.fontMetrics().width("-80dB");
Chris@119: 
Chris@40:     return cw;
Chris@40: }
Chris@40: 
Chris@40: int
Chris@607: SpectrogramLayer::getVerticalScaleWidth(View *, bool detailed, QPainter &paint) const
Chris@0: {
Chris@0:     if (!m_model || !m_model->isOK()) return 0;
Chris@0: 
Chris@607:     int cw = 0;
Chris@607:     if (detailed) cw = getColourScaleWidth(paint);
Chris@40: 
Chris@0:     int tw = paint.fontMetrics().width(QString("%1")
Chris@0: 				     .arg(m_maxFrequency > 0 ?
Chris@0: 					  m_maxFrequency - 1 :
Chris@0: 					  m_model->getSampleRate() / 2));
Chris@0: 
Chris@234:     int fw = paint.fontMetrics().width(tr("43Hz"));
Chris@0:     if (tw < fw) tw = fw;
Chris@40: 
Chris@40:     int tickw = (m_frequencyScale == LogFrequencyScale ? 10 : 4);
Chris@0:     
Chris@40:     return cw + tickw + tw + 13;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@607: SpectrogramLayer::paintVerticalScale(View *v, bool detailed, QPainter &paint, QRect rect) const
Chris@0: {
Chris@0:     if (!m_model || !m_model->isOK()) {
Chris@0: 	return;
Chris@0:     }
Chris@0: 
Chris@382:     Profiler profiler("SpectrogramLayer::paintVerticalScale");
Chris@122: 
Chris@120:     //!!! cache this?
Chris@120: 
Chris@0:     int h = rect.height(), w = rect.width();
Chris@0: 
Chris@40:     int tickw = (m_frequencyScale == LogFrequencyScale ? 10 : 4);
Chris@40:     int pkw = (m_frequencyScale == LogFrequencyScale ? 10 : 0);
Chris@40: 
Chris@107:     size_t bins = m_fftSize / 2;
Chris@0:     int sr = m_model->getSampleRate();
Chris@0: 
Chris@0:     if (m_maxFrequency > 0) {
Chris@107: 	bins = int((double(m_maxFrequency) * m_fftSize) / sr + 0.1);
Chris@107: 	if (bins > m_fftSize / 2) bins = m_fftSize / 2;
Chris@0:     }
Chris@0: 
Chris@607:     int cw = 0;
Chris@607: 
Chris@607:     if (detailed) cw = getColourScaleWidth(paint);
Chris@119:     int cbw = paint.fontMetrics().width("dB");
Chris@40: 
Chris@0:     int py = -1;
Chris@0:     int textHeight = paint.fontMetrics().height();
Chris@0:     int toff = -textHeight + paint.fontMetrics().ascent() + 2;
Chris@0: 
Chris@607:     if (detailed && (h > textHeight * 3 + 10)) {
Chris@119: 
Chris@119:         int topLines = 2;
Chris@119:         if (m_colourScale == PhaseColourScale) topLines = 1;
Chris@119: 
Chris@119: 	int ch = h - textHeight * (topLines + 1) - 8;
Chris@119: //	paint.drawRect(4, textHeight + 4, cw - 1, ch + 1);
Chris@119: 	paint.drawRect(4 + cw - cbw, textHeight * topLines + 4, cbw - 1, ch + 1);
Chris@40: 
Chris@40: 	QString top, bottom;
Chris@119:         float min = m_viewMags[v].getMin();
Chris@119:         float max = m_viewMags[v].getMax();
Chris@119: 
Chris@119:         float dBmin = AudioLevel::multiplier_to_dB(min);
Chris@119:         float dBmax = AudioLevel::multiplier_to_dB(max);
Chris@119: 
Chris@120:         if (dBmax < -60.f) dBmax = -60.f;
Chris@120:         else top = QString("%1").arg(lrintf(dBmax));
Chris@120: 
Chris@120:         if (dBmin < dBmax - 60.f) dBmin = dBmax - 60.f;
Chris@119:         bottom = QString("%1").arg(lrintf(dBmin));
Chris@119: 
Chris@119:         //!!! & phase etc
Chris@119: 
Chris@119:         if (m_colourScale != PhaseColourScale) {
Chris@119:             paint.drawText((cw + 6 - paint.fontMetrics().width("dBFS")) / 2,
Chris@119:                            2 + textHeight + toff, "dBFS");
Chris@119:         }
Chris@119: 
Chris@119: //	paint.drawText((cw + 6 - paint.fontMetrics().width(top)) / 2,
Chris@119: 	paint.drawText(3 + cw - cbw - paint.fontMetrics().width(top),
Chris@119: 		       2 + textHeight * topLines + toff + textHeight/2, top);
Chris@119: 
Chris@119: 	paint.drawText(3 + cw - cbw - paint.fontMetrics().width(bottom),
Chris@119: 		       h + toff - 3 - textHeight/2, bottom);
Chris@40: 
Chris@40: 	paint.save();
Chris@40: 	paint.setBrush(Qt::NoBrush);
Chris@119: 
Chris@119:         int lasty = 0;
Chris@119:         int lastdb = 0;
Chris@119: 
Chris@40: 	for (int i = 0; i < ch; ++i) {
Chris@119: 
Chris@119:             float dBval = dBmin + (((dBmax - dBmin) * i) / (ch - 1));
Chris@119:             int idb = int(dBval);
Chris@119: 
Chris@119:             float value = AudioLevel::dB_to_multiplier(dBval);
Chris@119:             int colour = getDisplayValue(v, value * m_gain);
Chris@210: 
Chris@197: 	    paint.setPen(m_palette.getColour(colour));
Chris@119: 
Chris@119:             int y = textHeight * topLines + 4 + ch - i;
Chris@119: 
Chris@119:             paint.drawLine(5 + cw - cbw, y, cw + 2, y);
Chris@119: 
Chris@119:             if (i == 0) {
Chris@119:                 lasty = y;
Chris@119:                 lastdb = idb;
Chris@119:             } else if (i < ch - paint.fontMetrics().ascent() &&
Chris@120:                        idb != lastdb &&
Chris@119:                        ((abs(y - lasty) > textHeight && 
Chris@119:                          idb % 10 == 0) ||
Chris@119:                         (abs(y - lasty) > paint.fontMetrics().ascent() && 
Chris@119:                          idb % 5 == 0))) {
Chris@287:                 paint.setPen(v->getBackground());
Chris@119:                 QString text = QString("%1").arg(idb);
Chris@119:                 paint.drawText(3 + cw - cbw - paint.fontMetrics().width(text),
Chris@119:                                y + toff + textHeight/2, text);
Chris@287:                 paint.setPen(v->getForeground());
Chris@119:                 paint.drawLine(5 + cw - cbw, y, 8 + cw - cbw, y);
Chris@119:                 lasty = y;
Chris@119:                 lastdb = idb;
Chris@119:             }
Chris@40: 	}
Chris@40: 	paint.restore();
Chris@40:     }
Chris@40: 
Chris@40:     paint.drawLine(cw + 7, 0, cw + 7, h);
Chris@40: 
Chris@0:     int bin = -1;
Chris@0: 
Chris@44:     for (int y = 0; y < v->height(); ++y) {
Chris@0: 
Chris@0: 	float q0, q1;
Chris@44: 	if (!getYBinRange(v, v->height() - y, q0, q1)) continue;
Chris@0: 
Chris@0: 	int vy;
Chris@0: 
Chris@0: 	if (int(q0) > bin) {
Chris@0: 	    vy = y;
Chris@0: 	    bin = int(q0);
Chris@0: 	} else {
Chris@0: 	    continue;
Chris@0: 	}
Chris@0: 
Chris@107: 	int freq = (sr * bin) / m_fftSize;
Chris@0: 
Chris@0: 	if (py >= 0 && (vy - py) < textHeight - 1) {
Chris@40: 	    if (m_frequencyScale == LinearFrequencyScale) {
Chris@40: 		paint.drawLine(w - tickw, h - vy, w, h - vy);
Chris@40: 	    }
Chris@0: 	    continue;
Chris@0: 	}
Chris@0: 
Chris@0: 	QString text = QString("%1").arg(freq);
Chris@234: 	if (bin == 1) text = tr("%1Hz").arg(freq); // bin 0 is DC
Chris@40: 	paint.drawLine(cw + 7, h - vy, w - pkw - 1, h - vy);
Chris@0: 
Chris@0: 	if (h - vy - textHeight >= -2) {
Chris@40: 	    int tx = w - 3 - paint.fontMetrics().width(text) - std::max(tickw, pkw);
Chris@0: 	    paint.drawText(tx, h - vy + toff, text);
Chris@0: 	}
Chris@0: 
Chris@0: 	py = vy;
Chris@0:     }
Chris@40: 
Chris@40:     if (m_frequencyScale == LogFrequencyScale) {
Chris@40: 
Chris@277:         // piano keyboard
Chris@277: 
Chris@690:         PianoScale().paintPianoVertical
Chris@690:             (v, paint, QRect(w - pkw - 1, 0, pkw, h),
Chris@690:              getEffectiveMinFrequency(), getEffectiveMaxFrequency());
Chris@40:     }
Chris@608: 
Chris@608:     m_haveDetailedScale = detailed;
Chris@0: }
Chris@0: 
Chris@187: class SpectrogramRangeMapper : public RangeMapper
Chris@187: {
Chris@187: public:
Chris@248:     SpectrogramRangeMapper(int sr, int /* fftsize */) :
Chris@187:         m_dist(float(sr) / 2),
Chris@187:         m_s2(sqrtf(sqrtf(2))) { }
Chris@187:     ~SpectrogramRangeMapper() { }
Chris@187:     
Chris@187:     virtual int getPositionForValue(float value) const {
Chris@187: 
Chris@187:         float dist = m_dist;
Chris@187:     
Chris@187:         int n = 0;
Chris@187: 
Chris@187:         while (dist > (value + 0.00001) && dist > 0.1f) {
Chris@187:             dist /= m_s2;
Chris@187:             ++n;
Chris@187:         }
Chris@187: 
Chris@187:         return n;
Chris@187:     }
Chris@187: 
Chris@187:     virtual float getValueForPosition(int position) const {
Chris@187: 
Chris@187:         // Vertical zoom step 0 shows the entire range from DC ->
Chris@187:         // Nyquist frequency.  Step 1 shows 2^(1/4) of the range of
Chris@187:         // step 0, and so on until the visible range is smaller than
Chris@187:         // the frequency step between bins at the current fft size.
Chris@187: 
Chris@187:         float dist = m_dist;
Chris@187:     
Chris@187:         int n = 0;
Chris@187:         while (n < position) {
Chris@187:             dist /= m_s2;
Chris@187:             ++n;
Chris@187:         }
Chris@187: 
Chris@187:         return dist;
Chris@187:     }
Chris@187:     
Chris@187:     virtual QString getUnit() const { return "Hz"; }
Chris@187: 
Chris@187: protected:
Chris@187:     float m_dist;
Chris@187:     float m_s2;
Chris@187: };
Chris@187: 
Chris@133: int
Chris@133: SpectrogramLayer::getVerticalZoomSteps(int &defaultStep) const
Chris@133: {
Chris@135:     if (!m_model) return 0;
Chris@187: 
Chris@187:     int sr = m_model->getSampleRate();
Chris@187: 
Chris@187:     SpectrogramRangeMapper mapper(sr, m_fftSize);
Chris@187: 
Chris@187: //    int maxStep = mapper.getPositionForValue((float(sr) / m_fftSize) + 0.001);
Chris@187:     int maxStep = mapper.getPositionForValue(0);
Chris@187:     int minStep = mapper.getPositionForValue(float(sr) / 2);
Chris@250: 
Chris@250:     size_t initialMax = m_initialMaxFrequency;
Chris@250:     if (initialMax == 0) initialMax = sr / 2;
Chris@250: 
Chris@250:     defaultStep = mapper.getPositionForValue(initialMax) - minStep;
Chris@250: 
Chris@587: //    SVDEBUG << "SpectrogramLayer::getVerticalZoomSteps: " << maxStep - minStep << " (" << maxStep <<"-" << minStep << "), default is " << defaultStep << " (from initial max freq " << initialMax << ")" << endl;
Chris@187: 
Chris@187:     return maxStep - minStep;
Chris@133: }
Chris@133: 
Chris@133: int
Chris@133: SpectrogramLayer::getCurrentVerticalZoomStep() const
Chris@133: {
Chris@133:     if (!m_model) return 0;
Chris@133: 
Chris@133:     float dmin, dmax;
Chris@133:     getDisplayExtents(dmin, dmax);
Chris@133:     
Chris@187:     SpectrogramRangeMapper mapper(m_model->getSampleRate(), m_fftSize);
Chris@187:     int n = mapper.getPositionForValue(dmax - dmin);
Chris@587: //    SVDEBUG << "SpectrogramLayer::getCurrentVerticalZoomStep: " << n << endl;
Chris@133:     return n;
Chris@133: }
Chris@133: 
Chris@133: void
Chris@133: SpectrogramLayer::setVerticalZoomStep(int step)
Chris@133: {
Chris@187:     if (!m_model) return;
Chris@187: 
Chris@253:     float dmin = m_minFrequency, dmax = m_maxFrequency;
Chris@253: //    getDisplayExtents(dmin, dmax);
Chris@253: 
Chris@682: //    cerr << "current range " << dmin << " -> " << dmax << ", range " << dmax-dmin << ", mid " << (dmax + dmin)/2 << endl;
Chris@133:     
Chris@133:     int sr = m_model->getSampleRate();
Chris@187:     SpectrogramRangeMapper mapper(sr, m_fftSize);
Chris@253:     float newdist = mapper.getValueForPosition(step);
Chris@253: 
Chris@253:     float newmin, newmax;
Chris@253: 
Chris@253:     if (m_frequencyScale == LogFrequencyScale) {
Chris@253: 
Chris@253:         // need to pick newmin and newmax such that
Chris@253:         //
Chris@253:         // (log(newmin) + log(newmax)) / 2 == logmid
Chris@253:         // and
Chris@253:         // newmax - newmin = newdist
Chris@253:         //
Chris@253:         // so log(newmax - newdist) + log(newmax) == 2logmid
Chris@253:         // log(newmax(newmax - newdist)) == 2logmid
Chris@253:         // newmax.newmax - newmax.newdist == exp(2logmid)
Chris@253:         // newmax^2 + (-newdist)newmax + -exp(2logmid) == 0
Chris@253:         // quadratic with a = 1, b = -newdist, c = -exp(2logmid), all known
Chris@253:         // 
Chris@253:         // positive root
Chris@253:         // newmax = (newdist + sqrt(newdist^2 + 4exp(2logmid))) / 2
Chris@253:         //
Chris@253:         // but logmid = (log(dmin) + log(dmax)) / 2
Chris@253:         // so exp(2logmid) = exp(log(dmin) + log(dmax))
Chris@253:         // = exp(log(dmin.dmax))
Chris@253:         // = dmin.dmax
Chris@253:         // so newmax = (newdist + sqrtf(newdist^2 + 4dmin.dmax)) / 2
Chris@253: 
Chris@253:         newmax = (newdist + sqrtf(newdist*newdist + 4*dmin*dmax)) / 2;
Chris@253:         newmin = newmax - newdist;
Chris@253: 
Chris@682: //        cerr << "newmin = " << newmin << ", newmax = " << newmax << endl;
Chris@253: 
Chris@253:     } else {
Chris@253:         float dmid = (dmax + dmin) / 2;
Chris@253:         newmin = dmid - newdist / 2;
Chris@253:         newmax = dmid + newdist / 2;
Chris@253:     }
Chris@187: 
Chris@187:     float mmin, mmax;
Chris@187:     mmin = 0;
Chris@187:     mmax = float(sr) / 2;
Chris@133:     
Chris@187:     if (newmin < mmin) {
Chris@187:         newmax += (mmin - newmin);
Chris@187:         newmin = mmin;
Chris@187:     }
Chris@187:     if (newmax > mmax) {
Chris@187:         newmax = mmax;
Chris@187:     }
Chris@133:     
Chris@587: //    SVDEBUG << "SpectrogramLayer::setVerticalZoomStep: " << step << ": " << newmin << " -> " << newmax << " (range " << newdist << ")" << endl;
Chris@253: 
Chris@253:     setMinFrequency(lrintf(newmin));
Chris@253:     setMaxFrequency(lrintf(newmax));
Chris@187: }
Chris@187: 
Chris@187: RangeMapper *
Chris@187: SpectrogramLayer::getNewVerticalZoomRangeMapper() const
Chris@187: {
Chris@187:     if (!m_model) return 0;
Chris@187:     return new SpectrogramRangeMapper(m_model->getSampleRate(), m_fftSize);
Chris@133: }
Chris@133: 
Chris@273: void
Chris@273: SpectrogramLayer::updateMeasureRectYCoords(View *v, const MeasureRect &r) const
Chris@273: {
Chris@273:     int y0 = 0;
Chris@273:     if (r.startY > 0.0) y0 = getYForFrequency(v, r.startY);
Chris@273:     
Chris@273:     int y1 = y0;
Chris@273:     if (r.endY > 0.0) y1 = getYForFrequency(v, r.endY);
Chris@273: 
Chris@587: //    SVDEBUG << "SpectrogramLayer::updateMeasureRectYCoords: start " << r.startY << " -> " << y0 << ", end " << r.endY << " -> " << y1 << endl;
Chris@273: 
Chris@273:     r.pixrect = QRect(r.pixrect.x(), y0, r.pixrect.width(), y1 - y0);
Chris@273: }
Chris@273: 
Chris@273: void
Chris@273: SpectrogramLayer::setMeasureRectYCoord(View *v, MeasureRect &r, bool start, int y) const
Chris@273: {
Chris@273:     if (start) {
Chris@273:         r.startY = getFrequencyForY(v, y);
Chris@273:         r.endY = r.startY;
Chris@273:     } else {
Chris@273:         r.endY = getFrequencyForY(v, y);
Chris@273:     }
Chris@587: //    SVDEBUG << "SpectrogramLayer::setMeasureRectYCoord: start " << r.startY << " <- " << y << ", end " << r.endY << " <- " << y << endl;
Chris@273: 
Chris@273: }
Chris@273: 
Chris@316: void
Chris@316: SpectrogramLayer::toXml(QTextStream &stream,
Chris@316:                         QString indent, QString extraAttributes) const
Chris@6: {
Chris@6:     QString s;
Chris@6:     
Chris@6:     s += QString("channel=\"%1\" "
Chris@6: 		 "windowSize=\"%2\" "
Chris@153: 		 "windowHopLevel=\"%3\" "
Chris@153: 		 "gain=\"%4\" "
Chris@153: 		 "threshold=\"%5\" ")
Chris@6: 	.arg(m_channel)
Chris@6: 	.arg(m_windowSize)
Chris@97: 	.arg(m_windowHopLevel)
Chris@37: 	.arg(m_gain)
Chris@37: 	.arg(m_threshold);
Chris@37: 
Chris@37:     s += QString("minFrequency=\"%1\" "
Chris@37: 		 "maxFrequency=\"%2\" "
Chris@37: 		 "colourScale=\"%3\" "
Chris@37: 		 "colourScheme=\"%4\" "
Chris@37: 		 "colourRotation=\"%5\" "
Chris@37: 		 "frequencyScale=\"%6\" "
Chris@761: 		 "binDisplay=\"%7\" ")
Chris@37: 	.arg(m_minFrequency)
Chris@6: 	.arg(m_maxFrequency)
Chris@6: 	.arg(m_colourScale)
Chris@197: 	.arg(m_colourMap)
Chris@37: 	.arg(m_colourRotation)
Chris@35: 	.arg(m_frequencyScale)
Chris@761: 	.arg(m_binDisplay);
Chris@761: 
Chris@761:     s += QString("normalizeColumns=\"%1\" "
Chris@761:                  "normalizeVisibleArea=\"%2\" "
Chris@761:                  "normalizeHybrid=\"%3\" ")
Chris@153: 	.arg(m_normalizeColumns ? "true" : "false")
Chris@761:         .arg(m_normalizeVisibleArea ? "true" : "false")
Chris@761:         .arg(m_normalizeHybrid ? "true" : "false");
Chris@6: 
Chris@316:     Layer::toXml(stream, indent, extraAttributes + " " + s);
Chris@6: }
Chris@6: 
Chris@11: void
Chris@11: SpectrogramLayer::setProperties(const QXmlAttributes &attributes)
Chris@11: {
Chris@11:     bool ok = false;
Chris@11: 
Chris@11:     int channel = attributes.value("channel").toInt(&ok);
Chris@11:     if (ok) setChannel(channel);
Chris@11: 
Chris@11:     size_t windowSize = attributes.value("windowSize").toUInt(&ok);
Chris@11:     if (ok) setWindowSize(windowSize);
Chris@11: 
Chris@97:     size_t windowHopLevel = attributes.value("windowHopLevel").toUInt(&ok);
Chris@97:     if (ok) setWindowHopLevel(windowHopLevel);
Chris@97:     else {
Chris@97:         size_t windowOverlap = attributes.value("windowOverlap").toUInt(&ok);
Chris@97:         // a percentage value
Chris@97:         if (ok) {
Chris@97:             if (windowOverlap == 0) setWindowHopLevel(0);
Chris@97:             else if (windowOverlap == 25) setWindowHopLevel(1);
Chris@97:             else if (windowOverlap == 50) setWindowHopLevel(2);
Chris@97:             else if (windowOverlap == 75) setWindowHopLevel(3);
Chris@97:             else if (windowOverlap == 90) setWindowHopLevel(4);
Chris@97:         }
Chris@97:     }
Chris@11: 
Chris@11:     float gain = attributes.value("gain").toFloat(&ok);
Chris@11:     if (ok) setGain(gain);
Chris@11: 
Chris@37:     float threshold = attributes.value("threshold").toFloat(&ok);
Chris@37:     if (ok) setThreshold(threshold);
Chris@37: 
Chris@37:     size_t minFrequency = attributes.value("minFrequency").toUInt(&ok);
Chris@187:     if (ok) {
Chris@587:         SVDEBUG << "SpectrogramLayer::setProperties: setting min freq to " << minFrequency << endl;
Chris@187:         setMinFrequency(minFrequency);
Chris@187:     }
Chris@37: 
Chris@11:     size_t maxFrequency = attributes.value("maxFrequency").toUInt(&ok);
Chris@187:     if (ok) {
Chris@587:         SVDEBUG << "SpectrogramLayer::setProperties: setting max freq to " << maxFrequency << endl;
Chris@187:         setMaxFrequency(maxFrequency);
Chris@187:     }
Chris@11: 
Chris@11:     ColourScale colourScale = (ColourScale)
Chris@11: 	attributes.value("colourScale").toInt(&ok);
Chris@11:     if (ok) setColourScale(colourScale);
Chris@11: 
Chris@197:     int colourMap = attributes.value("colourScheme").toInt(&ok);
Chris@197:     if (ok) setColourMap(colourMap);
Chris@11: 
Chris@37:     int colourRotation = attributes.value("colourRotation").toInt(&ok);
Chris@37:     if (ok) setColourRotation(colourRotation);
Chris@37: 
Chris@11:     FrequencyScale frequencyScale = (FrequencyScale)
Chris@11: 	attributes.value("frequencyScale").toInt(&ok);
Chris@11:     if (ok) setFrequencyScale(frequencyScale);
Chris@35: 
Chris@37:     BinDisplay binDisplay = (BinDisplay)
Chris@37: 	attributes.value("binDisplay").toInt(&ok);
Chris@37:     if (ok) setBinDisplay(binDisplay);
Chris@36: 
Chris@36:     bool normalizeColumns =
Chris@36: 	(attributes.value("normalizeColumns").trimmed() == "true");
Chris@36:     setNormalizeColumns(normalizeColumns);
Chris@153: 
Chris@153:     bool normalizeVisibleArea =
Chris@153: 	(attributes.value("normalizeVisibleArea").trimmed() == "true");
Chris@153:     setNormalizeVisibleArea(normalizeVisibleArea);
Chris@761: 
Chris@761:     bool normalizeHybrid =
Chris@761: 	(attributes.value("normalizeHybrid").trimmed() == "true");
Chris@761:     setNormalizeHybrid(normalizeHybrid);
Chris@11: }
Chris@11: