8-voice polyphonic granular synth (VST3/AU/LV2) with: - 128 grain pool per voice, Hann windowing, linear interpolation - Root note selector, sample rate correction, sustain pedal (CC64) - Scatter controls, direction modes (Fwd/Rev/PingPong), freeze - ADSR envelope, global filter (LP/HP/BP), reverb - Waveform display with grain visualization - Drag & drop sample loading, full state save/restore - CI/CD for Windows/macOS/Linux Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
64 sor
2.4 KiB
C++
64 sor
2.4 KiB
C++
#include "EnvelopePanel.h"
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EnvelopePanel::EnvelopePanel()
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{
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titleLabel.setText ("ENVELOPE", juce::dontSendNotification);
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titleLabel.setJustificationType (juce::Justification::centredLeft);
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titleLabel.setColour (juce::Label::textColourId, InstaGrainLookAndFeel::textPrimary);
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addAndMakeVisible (titleLabel);
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setupKnob (attackKnob, aLabel, "A", 0.001, 2.0, 0.01, " s");
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setupKnob (decayKnob, dLabel, "D", 0.001, 2.0, 0.1, " s");
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setupKnob (sustainKnob, sLabel, "S", 0.0, 1.0, 1.0);
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setupKnob (releaseKnob, rLabel, "R", 0.01, 5.0, 0.3, " s");
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attackKnob.setSkewFactorFromMidPoint (0.2);
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decayKnob.setSkewFactorFromMidPoint (0.3);
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releaseKnob.setSkewFactorFromMidPoint (0.5);
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}
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void EnvelopePanel::setupKnob (juce::Slider& knob, juce::Label& label, const juce::String& name,
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double min, double max, double def, const juce::String& suffix)
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{
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knob.setSliderStyle (juce::Slider::RotaryHorizontalVerticalDrag);
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knob.setTextBoxStyle (juce::Slider::TextBoxBelow, false, 50, 14);
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knob.setRange (min, max);
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knob.setValue (def);
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knob.setTextValueSuffix (suffix);
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knob.getProperties().set (InstaGrainLookAndFeel::knobTypeProperty, "orange");
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addAndMakeVisible (knob);
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label.setText (name, juce::dontSendNotification);
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label.setJustificationType (juce::Justification::centred);
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label.setColour (juce::Label::textColourId, InstaGrainLookAndFeel::textSecondary);
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addAndMakeVisible (label);
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}
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void EnvelopePanel::resized()
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{
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auto bounds = getLocalBounds().reduced (4);
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titleLabel.setBounds (bounds.removeFromTop (20));
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int knobW = bounds.getWidth() / 4;
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juce::Slider* knobs[] = { &attackKnob, &decayKnob, &sustainKnob, &releaseKnob };
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juce::Label* labels[] = { &aLabel, &dLabel, &sLabel, &rLabel };
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for (int i = 0; i < 4; ++i)
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{
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auto col = bounds.removeFromLeft (knobW);
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auto knobArea = col.withTrimmedBottom (16);
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knobs[i]->setBounds (knobArea.reduced (2));
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labels[i]->setBounds (col.getX(), knobArea.getBottom() - 2, col.getWidth(), 16);
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}
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}
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void EnvelopePanel::paint (juce::Graphics& g)
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{
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auto bounds = getLocalBounds().toFloat();
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g.setColour (InstaGrainLookAndFeel::bgMedium.withAlpha (0.5f));
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g.fillRoundedRectangle (bounds, 4.0f);
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g.setColour (InstaGrainLookAndFeel::bgLight.withAlpha (0.3f));
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g.drawRoundedRectangle (bounds, 4.0f, 1.0f);
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}
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