/* * SaControls.cpp - definition of SaControls class. * * Copyright (c) 2019 Martin Pavelek * * 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 "Analyzer.h" #include "fft_helpers.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