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https://github.com/LMMS/lmms.git
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c3b4d5188a
Replace old spectrum analyzer by new one with higher resolution and many new features. Resolves #2847.
145 lines
5.2 KiB
C++
145 lines
5.2 KiB
C++
/*
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* SaControls.cpp - definition of SaControls class.
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*
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* Copyright (c) 2019 Martin Pavelek <he29/dot/HS/at/gmail/dot/com>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#include "SaControls.h"
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#include <QtXml/QDomElement>
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#include "Analyzer.h"
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#include "SaControlsDialog.h"
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SaControls::SaControls(Analyzer *effect) :
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EffectControls(effect),
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m_effect(effect),
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// initialize bool models and set default values
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m_pauseModel(false, this, tr("Pause")),
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m_refFreezeModel(false, this, tr("Reference freeze")),
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m_waterfallModel(false, this, tr("Waterfall")),
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m_smoothModel(false, this, tr("Averaging")),
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m_stereoModel(false, this, tr("Stereo")),
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m_peakHoldModel(false, this, tr("Peak hold")),
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m_logXModel(true, this, tr("Logarithmic frequency")),
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m_logYModel(true, this, tr("Logarithmic amplitude")),
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// default values of combo boxes are set after they are populated
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m_freqRangeModel(this, tr("Frequency range")),
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m_ampRangeModel(this, tr("Amplitude range")),
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m_blockSizeModel(this, tr("FFT block size")),
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m_windowModel(this, tr("FFT window type"))
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{
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// Frequency and amplitude ranges; order must match
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// FREQUENCY_RANGES and AMPLITUDE_RANGES defined in SaControls.h
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m_freqRangeModel.addItem(tr("Full (auto)"));
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m_freqRangeModel.addItem(tr("Audible"));
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m_freqRangeModel.addItem(tr("Bass"));
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m_freqRangeModel.addItem(tr("Mids"));
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m_freqRangeModel.addItem(tr("High"));
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m_freqRangeModel.setValue(m_freqRangeModel.findText(tr("Full (auto)")));
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m_ampRangeModel.addItem(tr("Extended"));
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m_ampRangeModel.addItem(tr("Default"));
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m_ampRangeModel.addItem(tr("Audible"));
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m_ampRangeModel.addItem(tr("Noise"));
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m_ampRangeModel.setValue(m_ampRangeModel.findText(tr("Default")));
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// FFT block size labels are generated automatically, based on
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// FFT_BLOCK_SIZES vector defined in fft_helpers.h
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for (unsigned int i = 0; i < FFT_BLOCK_SIZES.size(); i++)
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{
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if (i == 0)
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{
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m_blockSizeModel.addItem((std::to_string(FFT_BLOCK_SIZES[i]) + " ").c_str() + tr("(High time res.)"));
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}
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else if (i == FFT_BLOCK_SIZES.size() - 1)
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{
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m_blockSizeModel.addItem((std::to_string(FFT_BLOCK_SIZES[i]) + " ").c_str() + tr("(High freq. res.)"));
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}
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else
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{
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m_blockSizeModel.addItem(std::to_string(FFT_BLOCK_SIZES[i]).c_str());
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}
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}
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m_blockSizeModel.setValue(m_blockSizeModel.findText("2048"));
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// Window type order must match FFT_WINDOWS defined in fft_helpers.h
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m_windowModel.addItem(tr("Rectangular (Off)"));
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m_windowModel.addItem(tr("Blackman-Harris (Default)"));
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m_windowModel.addItem(tr("Hamming"));
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m_windowModel.addItem(tr("Hanning"));
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m_windowModel.setValue(m_windowModel.findText(tr("Blackman-Harris (Default)")));
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// Colors
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// Background color is defined by Qt / theme.
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// Make sure the sum of colors for L and R channel stays lower or equal
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// to 255. Otherwise the Waterfall pixels may overflow back to 0 even when
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// the input signal isn't clipping (over 1.0).
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m_colorL = QColor(51, 148, 204, 135);
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m_colorR = QColor(204, 107, 51, 135);
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m_colorMono = QColor(51, 148, 204, 204);
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m_colorBG = QColor(7, 7, 7, 255); // ~20 % gray (after gamma correction)
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m_colorGrid = QColor(30, 34, 38, 255); // ~40 % gray (slightly cold / blue)
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m_colorLabels = QColor(192, 202, 212, 255); // ~90 % gray (slightly cold / blue)
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}
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// Create the SaControlDialog widget which handles display of GUI elements.
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EffectControlDialog* SaControls::createView()
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{
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return new SaControlsDialog(this, m_effect->getProcessor());
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}
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void SaControls::loadSettings(const QDomElement &_this)
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{
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m_waterfallModel.loadSettings(_this, "Waterfall");
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m_smoothModel.loadSettings(_this, "Smooth");
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m_stereoModel.loadSettings(_this, "Stereo");
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m_peakHoldModel.loadSettings(_this, "PeakHold");
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m_logXModel.loadSettings(_this, "LogX");
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m_logYModel.loadSettings(_this, "LogY");
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m_freqRangeModel.loadSettings(_this, "RangeX");
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m_ampRangeModel.loadSettings(_this, "RangeY");
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m_blockSizeModel.loadSettings(_this, "BlockSize");
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m_windowModel.loadSettings(_this, "WindowType");
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}
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void SaControls::saveSettings(QDomDocument &doc, QDomElement &parent)
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{
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m_waterfallModel.saveSettings(doc, parent, "Waterfall");
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m_smoothModel.saveSettings(doc, parent, "Smooth");
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m_stereoModel.saveSettings(doc, parent, "Stereo");
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m_peakHoldModel.saveSettings(doc, parent, "PeakHold");
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m_logXModel.saveSettings(doc, parent, "LogX");
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m_logYModel.saveSettings(doc, parent, "LogY");
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m_freqRangeModel.saveSettings(doc, parent, "RangeX");
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m_ampRangeModel.saveSettings(doc, parent, "RangeY");
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m_blockSizeModel.saveSettings(doc, parent, "BlockSize");
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m_windowModel.saveSettings(doc, parent, "WindowType");
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}
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