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/*
* ZamDynamicEQ
* Copyright (C) 2016 Damien Zammit <damien@zamaudio.com>
*
* 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.
*/
#ifndef ZAMDYNAMICEQUI_HPP_INCLUDED
#define ZAMDYNAMICEQUI_HPP_INCLUDED
#include "DistrhoUI.hpp"
#include "ImageWidgets.hpp"
#include "../../widgets/ZamWidgets.hpp"
#include "ZamDynamicEQArtwork.hpp"
#define EQPOINTS 575
#include <complex>
using DGL::Image;
using DGL::ZamKnob;
using DGL::ZamSwitch;
using DGL::ImageSwitch;
using DGL::ImageSlider;
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
class ZamDynamicEQUI : public UI,
public ZamKnob::Callback,
public ZamSwitch::Callback,
public ImageSwitch::Callback
{
public:
ZamDynamicEQUI();
protected:
// -------------------------------------------------------------------
// DSP Callbacks
void parameterChanged(uint32_t index, float value) override;
void programLoaded(uint32_t index) override;
// -------------------------------------------------------------------
// Widget Callbacks
void imageKnobDragStarted(ZamKnob* knob) override;
void imageKnobDragFinished(ZamKnob* knob) override;
void imageKnobValueChanged(ZamKnob* knob, float value) override;
void imageSwitchClicked(ImageSwitch* toggle, bool down) override;
void imageSwitchClicked(ZamSwitch* toggle, bool down) override;
void onDisplay() override;
inline double
to_dB(double g) {
return (20.*log10(g));
}
inline double
from_dB(double gdb) {
return (exp(gdb/20.*log(10.)));
}
inline double
sanitize_denormal(double value) {
if (!std::isnormal(value)) {
return (0.);
}
return value;
}
void calceqcurve(float x[], float y[]);
void peq(double G0, double G, double GB, double w0, double Dw, double *a0, double *a1, double *a2, double *b0, double *b1, double *b2, double *gn);
void highshelfeq(double, double G, double, double w0, double, double q, double B[], double A[]);
void lowshelfeq(double, double G, double, double w0, double, double q, double B[], double A[]);
private:
Image fImgBackground, fHighOnImg, fHighOffImg, fLowOnImg, fLowOffImg;
Image fPeakOnImg, fPeakOffImg, fTogOffImg, fTogOnImg, fSliderEq;
ScopedPointer<ZamSwitch> fToggleLow, fTogglePeak, fToggleHigh;
ScopedPointer<ImageSwitch> fToggleSidechain, fToggleBoostCut;
ScopedPointer<ZamKnob> fKnobAttack, fKnobRelease;
ScopedPointer<ZamKnob> fKnobThresh, fKnobRatio, fKnobKnee, fKnobTargetWidth;
ScopedPointer<ZamKnob> fKnobMax, fKnobSlew, fKnobTargetFreq, fKnobDetectFreq;
DGL::Rectangle<int> fCanvasArea;
float eqx[EQPOINTS], eqy[EQPOINTS];
double a0x,a1x,a2x,b0x,b1x,b2x,gainx;
double a0y,a1y,a2y,b0y,b1y,b2y,gainy;
double Bl[3];
double Al[3];
double Bh[3];
double Ah[3];
float fControlGain;
};
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
#endif
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