CompressorControlDialog.h

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/*
 * CompressorControlDialog.h
 *
 * Copyright (c) 2020 Lost Robot <r94231@gmail.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.
 *
 */
 
#ifndef COMPRESSOR_CONTROL_DIALOG_H
#define COMPRESSOR_CONTROL_DIALOG_H
 
#include <QBasicTimer>
#include <QElapsedTimer>
#include <QPainter>
 
#include "EffectControlDialog.h"
 
class QLabel;
 
namespace lmms
{
 
constexpr float COMP_NOISE_FLOOR = 0.000001f;// -120 dbFs
 
class CompressorControls;
 
 
namespace gui
{
 
constexpr int COMP_MILLI_PER_PIXEL = 6;
constexpr int MIN_COMP_SCREEN_X = 800;
constexpr int MIN_COMP_SCREEN_Y = 360;
constexpr int MAX_COMP_SCREEN_X = 1920;
constexpr int MAX_COMP_SCREEN_Y = 1080;
constexpr int COMP_SCREEN_X = 800;
constexpr int COMP_SCREEN_Y = 560;
constexpr int KNEE_SCREEN_X = COMP_SCREEN_Y;
constexpr int KNEE_SCREEN_Y = COMP_SCREEN_Y;
constexpr int COMP_KNEE_LINES = 20;
constexpr int COMP_BOX_X = 720;
constexpr int COMP_BOX_Y = 280;
constexpr float COMP_GRID_SPACING = 3.f;// 3 db per grid line
constexpr float COMP_GRID_MAX = 96.f;// Can't zoom out past 96 db
 
class AutomatableButtonGroup;
class Knob;
class PixmapButton;
class EqFader;
 
 
class CompressorControlDialog : public EffectControlDialog
{
        Q_OBJECT
public:
        CompressorControlDialog(CompressorControls* controls);
 
        QSize sizeHint() const override {return QSize(COMP_SCREEN_X, COMP_SCREEN_Y);}
 
        // For theming purposes
        Q_PROPERTY(QColor inVolAreaColor MEMBER m_inVolAreaColor)
        Q_PROPERTY(QColor inVolColor MEMBER m_inVolColor)
        Q_PROPERTY(QColor outVolAreaColor MEMBER m_outVolAreaColor)
        Q_PROPERTY(QColor outVolColor MEMBER m_outVolColor)
        Q_PROPERTY(QColor gainReductionColor MEMBER m_gainReductionColor)
        Q_PROPERTY(QColor kneeColor MEMBER m_kneeColor)
        Q_PROPERTY(QColor kneeColor2 MEMBER m_kneeColor2)
        Q_PROPERTY(QColor threshColor MEMBER m_threshColor)
        Q_PROPERTY(QColor textColor MEMBER m_textColor)
        Q_PROPERTY(QColor graphColor MEMBER m_graphColor)
        Q_PROPERTY(QColor resetColor MEMBER m_resetColor)
        Q_PROPERTY(QColor backgroundColor MEMBER m_backgroundColor)
 
protected:
        void resizeEvent(QResizeEvent *event) override;
        void paintEvent(QPaintEvent *event) override;
        void wheelEvent(QWheelEvent *event) override;
 
private slots:
        void updateDisplay();
        void peakmodeChanged();
        void stereoLinkChanged();
        void lookaheadChanged();
        void limiterChanged();
 
private:
        void makeLargeKnob(Knob * knob, QString hint, QString unit);
        void makeSmallKnob(Knob * knob, QString hint, QString unit);
        void resetCompressorView();
        void drawVisPixmap();
        void redrawKnee();
        void drawKneePixmap2();
        void drawMiscPixmap();
        void drawGraph();
        void mouseDoubleClickEvent(QMouseEvent* event) override;
        void setGuiVisibility(bool isVisible);
 
        QPainter m_p;
 
        QBasicTimer m_updateTimer;
 
        CompressorControls * m_controls;
 
        inline int dbfsToYPoint(float inDbfs);
        inline int dbfsToXPoint(float inDbfs);
 
        QPixmap m_visPixmap = QPixmap(MAX_COMP_SCREEN_X, MAX_COMP_SCREEN_Y);
        QPixmap m_kneePixmap = QPixmap(MAX_COMP_SCREEN_X, MAX_COMP_SCREEN_Y);
        QPixmap m_kneePixmap2 = QPixmap(MAX_COMP_SCREEN_X, MAX_COMP_SCREEN_Y);
        QPixmap m_miscPixmap = QPixmap(MAX_COMP_SCREEN_X, MAX_COMP_SCREEN_Y);
        QPixmap m_graphPixmap = QPixmap(MAX_COMP_SCREEN_X, MAX_COMP_SCREEN_Y);
 
        int m_lastPoint;
        int m_lastGainPoint;
        int m_lastKneePoint = 0;
 
        int m_windowSizeX = size().width();
        int m_windowSizeY = size().height();
        int m_kneeWindowSizeX = m_windowSizeY;
        int m_kneeWindowSizeY = m_windowSizeY;
        int m_controlsBoxX = 0;
        int m_controlsBoxY = 0;
 
        float m_dbRange = 36;
 
        QColor m_inVolAreaColor = QColor(209, 216, 228, 17);
        QColor m_inVolColor = QColor(209, 216, 228, 100);
        QColor m_outVolAreaColor = QColor(209, 216, 228, 30);
        QColor m_outVolColor = QColor(209, 216, 228, 240);
        QColor m_gainReductionColor = QColor(180, 100, 100, 210);
        QColor m_kneeColor = QColor(39, 171, 95, 255);
        QColor m_kneeColor2 = QColor(9, 171, 160, 255);
        QColor m_threshColor = QColor(39, 171, 95, 100);
        QColor m_textColor = QColor(209, 216, 228, 50);
        QColor m_graphColor = QColor(209, 216, 228, 50);
        QColor m_resetColor = QColor(200, 100, 15, 200);
        QColor m_backgroundColor = QColor(7, 8, 9, 255);
 
        float m_peakAvg;
        float m_gainAvg;
 
        float m_yPoint;
        float m_yGainPoint;
 
        int m_threshYPoint;
        int m_threshXPoint;
 
        int m_compPixelMovement;
 
        QLabel * m_controlsBoxLabel;
        QLabel * m_rmsEnabledLabel;
        QLabel * m_blendEnabledLabel;
        QLabel * m_lookaheadEnabledLabel;
        QLabel * m_ratioEnabledLabel;
 
        Knob * m_thresholdKnob;
        Knob * m_ratioKnob;
        Knob * m_attackKnob;
        Knob * m_releaseKnob;
        Knob * m_kneeKnob;
        Knob * m_rangeKnob;
        Knob * m_lookaheadLengthKnob;
        Knob * m_holdKnob;
 
        Knob * m_rmsKnob;
        Knob * m_inBalanceKnob;
        Knob * m_outBalanceKnob;
        Knob * m_stereoBalanceKnob;
        Knob * m_blendKnob;
        Knob * m_tiltKnob;
        Knob * m_tiltFreqKnob;
        Knob * m_mixKnob;
 
        Knob * m_autoAttackKnob;
        Knob * m_autoReleaseKnob;
 
        EqFader * m_outFader;
        EqFader * m_inFader;
 
        PixmapButton * rmsButton;
        PixmapButton * peakButton;
        AutomatableButtonGroup * rmsPeakGroup;
 
        PixmapButton * leftRightButton;
        PixmapButton * midSideButton;
        AutomatableButtonGroup * leftRightMidSideGroup;
 
        PixmapButton * compressButton;
        PixmapButton * limitButton;
        AutomatableButtonGroup * compressLimitGroup;
 
        PixmapButton * unlinkedButton;
        PixmapButton * maximumButton;
        PixmapButton * averageButton;
        PixmapButton * minimumButton;
        PixmapButton * blendButton;
        AutomatableButtonGroup * stereoLinkGroup;
 
        PixmapButton * autoMakeupButton;
        PixmapButton * auditionButton;
        PixmapButton * feedbackButton;
        PixmapButton * lookaheadButton;
 
        bool m_guiVisibility = true;
 
        QElapsedTimer m_timeElapsed;
        int m_timeSinceLastUpdate = 0;
 
        friend class CompressorControls;
} ;
 
 
 
} // namespace gui
 
} // namespace lmms
 
#endif