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SaControls.cpp
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SaControls.cpp
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/*
* SaControls.cpp - definition of SaControls class.
*
* Copyright (c) 2019 Martin Pavelek <he29/dot/HS/at/gmail/dot/com>
*
* This file is part of LMMS - https://lmms.io
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include "SaControls.h"
#include <QDomElement>
#include "Analyzer.h"
#include "SaControlsDialog.h"
namespace lmms
{
SaControls::SaControls(Analyzer *effect) :
EffectControls(effect),
m_effect(effect),
// initialize bool models and set default values
m_pauseModel(false, this, tr("Pause")),
m_refFreezeModel(false, this, tr("Reference freeze")),
m_waterfallModel(false, this, tr("Waterfall")),
m_smoothModel(false, this, tr("Averaging")),
m_stereoModel(false, this, tr("Stereo")),
m_peakHoldModel(false, this, tr("Peak hold")),
m_logXModel(true, this, tr("Logarithmic frequency")),
m_logYModel(true, this, tr("Logarithmic amplitude")),
// default values of combo boxes are set after they are populated
m_freqRangeModel(this, tr("Frequency range")),
m_ampRangeModel(this, tr("Amplitude range")),
m_blockSizeModel(this, tr("FFT block size")),
m_windowModel(this, tr("FFT window type")),
// Advanced settings knobs
m_envelopeResolutionModel(0.25f, 0.1f, 3.0f, 0.05f, this, tr("Peak envelope resolution")),
m_spectrumResolutionModel(1.5f, 0.1f, 3.0f, 0.05f, this, tr("Spectrum display resolution")),
m_peakDecayFactorModel(0.992f, 0.95f, 0.999f, 0.001f, this, tr("Peak decay multiplier")),
m_averagingWeightModel(0.15f, 0.01f, 0.5f, 0.01f, this, tr("Averaging weight")),
m_waterfallHeightModel(300.0f, 50.0f, 1000.0f, 50.0f, this, tr("Waterfall history size")),
m_waterfallGammaModel(0.30f, 0.10f, 1.00f, 0.05f, this, tr("Waterfall gamma correction")),
m_windowOverlapModel(2.0f, 1.0f, 4.0f, 1.0f, this, tr("FFT window overlap")),
m_zeroPaddingModel(2.0f, 0.0f, 4.0f, 1.0f, this, tr("FFT zero padding"))
{
// Frequency and amplitude ranges; order must match
// FrequencyRange and AmplitudeRange defined in SaControls.h
m_freqRangeModel.addItem(tr("Full (auto)"));
m_freqRangeModel.addItem(tr("Audible"));
m_freqRangeModel.addItem(tr("Bass"));
m_freqRangeModel.addItem(tr("Mids"));
m_freqRangeModel.addItem(tr("High"));
m_freqRangeModel.setValue(m_freqRangeModel.findText(tr("Full (auto)")));
m_ampRangeModel.addItem(tr("Extended"));
m_ampRangeModel.addItem(tr("Audible"));
m_ampRangeModel.addItem(tr("Loud"));
m_ampRangeModel.addItem(tr("Silent"));
m_ampRangeModel.setValue(m_ampRangeModel.findText(tr("Audible")));
// FFT block size labels are generated automatically, based on
// FFT_BLOCK_SIZES vector defined in fft_helpers.h
for (unsigned int i = 0; i < FFT_BLOCK_SIZES.size(); i++)
{
if (i == 0)
{
m_blockSizeModel.addItem((std::to_string(FFT_BLOCK_SIZES[i]) + " ").c_str() + tr("(High time res.)"));
}
else if (i == FFT_BLOCK_SIZES.size() - 1)
{
m_blockSizeModel.addItem((std::to_string(FFT_BLOCK_SIZES[i]) + " ").c_str() + tr("(High freq. res.)"));
}
else
{
m_blockSizeModel.addItem(std::to_string(FFT_BLOCK_SIZES[i]).c_str());
}
}
m_blockSizeModel.setValue(m_blockSizeModel.findText("2048"));
// Window type order must match FFTWindow defined in fft_helpers.h
m_windowModel.addItem(tr("Rectangular (Off)"));
m_windowModel.addItem(tr("Blackman-Harris (Default)"));
m_windowModel.addItem(tr("Hamming"));
m_windowModel.addItem(tr("Hanning"));
m_windowModel.setValue(m_windowModel.findText(tr("Blackman-Harris (Default)")));
// Colors
// Background color is defined by Qt / theme.
// Make sure the sum of colors for L and R channel results into a neutral
// color that has at least one component equal to 255 (i.e. ideally white).
// This means the color overflows to zero exactly when signal reaches
// clipping threshold, indicating the problematic frequency to user.
// Mono waterfall color should have similarly at least one component at 255.
m_colorL = QColor(51, 148, 204, 135);
m_colorR = QColor(204, 107, 51, 135);
m_colorMono = QColor(51, 148, 204, 204);
m_colorMonoW = QColor(64, 185, 255, 255);
m_colorBG = QColor(7, 7, 7, 255); // ~20 % gray (after gamma correction)
m_colorGrid = QColor(30, 34, 38, 255); // ~40 % gray (slightly cold / blue)
m_colorLabels = QColor(192, 202, 212, 255); // ~90 % gray (slightly cold / blue)
}
// Create the SaControlDialog widget which handles display of GUI elements.
gui::EffectControlDialog* SaControls::createView()
{
return new gui::SaControlsDialog(this, m_effect->getProcessor());
}
void SaControls::loadSettings(const QDomElement &_this)
{
m_waterfallModel.loadSettings(_this, "Waterfall");
m_smoothModel.loadSettings(_this, "Smooth");
m_stereoModel.loadSettings(_this, "Stereo");
m_peakHoldModel.loadSettings(_this, "PeakHold");
m_logXModel.loadSettings(_this, "LogX");
m_logYModel.loadSettings(_this, "LogY");
m_freqRangeModel.loadSettings(_this, "RangeX");
m_ampRangeModel.loadSettings(_this, "RangeY");
m_blockSizeModel.loadSettings(_this, "BlockSize");
m_windowModel.loadSettings(_this, "WindowType");
m_envelopeResolutionModel.loadSettings(_this, "EnvelopeRes");
m_spectrumResolutionModel.loadSettings(_this, "SpectrumRes");
m_peakDecayFactorModel.loadSettings(_this, "PeakDecayFactor");
m_averagingWeightModel.loadSettings(_this, "AverageWeight");
m_waterfallHeightModel.loadSettings(_this, "WaterfallHeight");
m_waterfallGammaModel.loadSettings(_this, "WaterfallGamma");
m_windowOverlapModel.loadSettings(_this, "WindowOverlap");
m_zeroPaddingModel.loadSettings(_this, "ZeroPadding");
}
void SaControls::saveSettings(QDomDocument &doc, QDomElement &parent)
{
m_waterfallModel.saveSettings(doc, parent, "Waterfall");
m_smoothModel.saveSettings(doc, parent, "Smooth");
m_stereoModel.saveSettings(doc, parent, "Stereo");
m_peakHoldModel.saveSettings(doc, parent, "PeakHold");
m_logXModel.saveSettings(doc, parent, "LogX");
m_logYModel.saveSettings(doc, parent, "LogY");
m_freqRangeModel.saveSettings(doc, parent, "RangeX");
m_ampRangeModel.saveSettings(doc, parent, "RangeY");
m_blockSizeModel.saveSettings(doc, parent, "BlockSize");
m_windowModel.saveSettings(doc, parent, "WindowType");
m_envelopeResolutionModel.saveSettings(doc, parent, "EnvelopeRes");
m_spectrumResolutionModel.saveSettings(doc, parent, "SpectrumRes");
m_peakDecayFactorModel.saveSettings(doc, parent, "PeakDecayFactor");
m_averagingWeightModel.saveSettings(doc, parent, "AverageWeight");
m_waterfallHeightModel.saveSettings(doc, parent, "WaterfallHeight");
m_waterfallGammaModel.saveSettings(doc, parent, "WaterfallGamma");
m_windowOverlapModel.saveSettings(doc, parent, "WindowOverlap");
m_zeroPaddingModel.saveSettings(doc, parent, "ZeroPadding");
}
} // namespace lmms