Add functional sliders for bit crush and bulge

Source/EffectsComponent.cpp

@@ -23,22 +23,19 @@ EffectsComponent::EffectsComponent(OscirenderAudioProcessor& p) : audioProcessor
 		auto effect = effects[i];
         effect->setValue(0.5);
 		audioProcessor.enableEffect(effect);
+		itemData.data.push_back(effect);
 	}
 
-    itemData.data.push_back(juce::String("Item 1"));
-    itemData.data.push_back(juce::String("Item 2"));
-    itemData.data.push_back(juce::String("Item 3"));
-
-    addBtn.setButtonText("Add Item...");
+    /*addBtn.setButtonText("Add Item...");
     addBtn.onClick = [this]()
     {
         itemData.data.push_back(juce::String("Item " + juce::String(1 + itemData.getNumItems())));
         listBox.updateContent();
     };
-    addAndMakeVisible(addBtn);
+    addAndMakeVisible(addBtn);*/
 
     listBox.setModel(&listBoxModel);
-    listBox.setRowHeight(40);
+    listBox.setRowHeight(30);
     addAndMakeVisible(listBox);
 }
 

Source/audio/BitCrushEffect.cpp

@@ -4,9 +4,20 @@ BitCrushEffect::BitCrushEffect() {}
 
 BitCrushEffect::~BitCrushEffect() {}
 
+// algorithm from https://www.kvraudio.com/forum/viewtopic.php?t=163880
 Vector2 BitCrushEffect::apply(int index, Vector2 input) {
-	double crush = 3.0 * (1.0 - value);
-	return Vector2(bitCrush(input.x, crush), bitCrush(input.y, crush));
+	// change rage of value from 0-1 to 0.0-0.78
+	double rangedValue = value * 0.78;
+	double powValue = pow(2.0f, 1.0 - rangedValue) - 1.0;
+	double crush = powValue * 12;
+	double x = powf(2.0f, crush);
+	double quant = 0.5 * x;
+	double dequant = 1.0f / quant;
+	return Vector2(dequant * (int)(input.x * quant), dequant * (int)(input.y * quant));
+}
+
+double BitCrushEffect::getValue() {
+	return value;
 }
 
 void BitCrushEffect::setValue(double value) {
@@ -25,9 +36,10 @@ void BitCrushEffect::setPrecedence(int precedence) {
 	this->precedence = precedence;
 }
 
-double BitCrushEffect::bitCrush(double value, double places) {
-    long factor = (long) pow(10, places);
-    value = value * factor;
-    long tmp = round(value);
-    return (double) tmp / factor;
+juce::String BitCrushEffect::getName() {
+	return juce::String("Bit Crush");
+}
+
+juce::String BitCrushEffect::getId() {
+	return juce::String("bitCrush");
 }

Source/audio/BitCrushEffect.h

@@ -8,15 +8,16 @@ public:
 	~BitCrushEffect();
 
 	Vector2 apply(int index, Vector2 input) override;
+	double getValue() override;
 	void setValue(double value) override;
 	void setFrequency(double frequency) override;
 	int getPrecedence() override;
 	void setPrecedence(int precedence) override;
+	juce::String getName() override;
+	juce::String getId() override;
 private:
 
 	double value = 0.0;
 	double frequency = 1.0;
 	int precedence = -1;
-
-	double bitCrush(double value, double places);
 };

Source/audio/BulgeEffect.cpp

@@ -14,6 +14,10 @@ Vector2 BulgeEffect::apply(int index, Vector2 input) {
     return Vector2(rn * cos(theta), rn * sin(theta));
 }
 
+double BulgeEffect::getValue() {
+    return value;
+}
+
 void BulgeEffect::setValue(double value) {
 	this->value = value;
 }
@@ -29,3 +33,11 @@ int BulgeEffect::getPrecedence() {
 void BulgeEffect::setPrecedence(int precedence) {
     this->precedence = precedence;
 }
+
+juce::String BulgeEffect::getName() {
+    return juce::String("Bulge");
+}
+
+juce::String BulgeEffect::getId() {
+    return juce::String("bulge");
+}

Source/audio/BulgeEffect.h

@@ -7,13 +7,14 @@ public:
 	BulgeEffect();
 	~BulgeEffect();
 
-	
-
 	Vector2 apply(int index, Vector2 input) override;
+	double getValue() override;
 	void setValue(double value) override;
 	void setFrequency(double frequency) override;
 	int getPrecedence() override;
 	void setPrecedence(int precedence) override;
+	juce::String getName() override;
+	juce::String getId() override;
 
 private:
 	double value = 0.0;

Source/audio/Effect.h

@@ -1,13 +1,17 @@
 #pragma once
 #include "../shape/Vector2.h"
+#include <JuceHeader.h>
 
 class Effect {
 public:
 	Effect();
 
 	virtual Vector2 apply(int index, Vector2 input) = 0;
+	virtual double getValue() = 0;
 	virtual void setValue(double value) = 0;
 	virtual void setFrequency(double frequency) = 0;
 	virtual int getPrecedence() = 0;
 	virtual void setPrecedence(int precedence) = 0;
+	virtual juce::String getName() = 0;
+	virtual juce::String getId() = 0;
 };

Source/components/MyListComponent.cpp

@@ -1,45 +1,35 @@
 #include "MyListComponent.h"
 
-MyListComponent::MyListComponent(DraggableListBox& lb, MyListBoxItemData& data, int rn)
-    : DraggableListBoxItem(lb, data, rn)
-{
-    actionBtn.setButtonText("Action");
-    actionBtn.onClick = [this]()
-    {
-        ((MyListBoxItemData&)modelData).doItemAction(rowNum);
-    };
-    addAndMakeVisible(actionBtn);
+MyListComponent::MyListComponent(DraggableListBox& lb, MyListBoxItemData& data, int rn) : DraggableListBoxItem(lb, data, rn) {
+    addAndMakeVisible(slider);
+    addAndMakeVisible(label);
 
-    deleteBtn.setButtonText("Delete");
-    deleteBtn.onClick = [this]()
-    {
-        modelData.deleteItem(rowNum);
-        listBox.updateContent();
-    };
-    addAndMakeVisible(deleteBtn);
+    label.setText(data.getText(rn), juce::dontSendNotification);
+    label.attachToComponent(&slider, true);
+
+    slider.setSliderStyle(juce::Slider::LinearHorizontal);
+    slider.setTextBoxStyle(juce::Slider::TextBoxRight, false, 90, slider.getTextBoxHeight());
+	slider.setRange(0.0, 1.0, 0.01);
+    slider.setValue(data.getValue(rn), juce::dontSendNotification);
+	slider.onValueChange = [this] {
+        ((MyListBoxItemData&)modelData).setValue(rowNum, slider.getValue());
+	};
 }
 
-MyListComponent::~MyListComponent()
-{
-    
-}
+MyListComponent::~MyListComponent() {}
 
-void MyListComponent::paint (juce::Graphics& g)
-{
+void MyListComponent::paint (juce::Graphics& g) {
     modelData.paintContents(rowNum, g, dataArea);
     DraggableListBoxItem::paint(g);
 }
 
-void MyListComponent::resized()
-{
-    dataArea = getLocalBounds();
-    actionBtn.setBounds(dataArea.removeFromLeft(70).withSizeKeepingCentre(56, 24));
-    deleteBtn.setBounds(dataArea.removeFromRight(70).withSizeKeepingCentre(56, 24));
+void MyListComponent::resized() {
+    auto sliderLeft = 100;
+    slider.setBounds(sliderLeft, 0, getWidth() - 110, getHeight());
 }
 
 
-juce::Component* MyListBoxModel::refreshComponentForRow(int rowNumber, bool isRowSelected, juce::Component *existingComponentToUpdate)
-{
+juce::Component* MyListBoxModel::refreshComponentForRow(int rowNumber, bool isRowSelected, juce::Component *existingComponentToUpdate) {
     std::unique_ptr<MyListComponent> item(dynamic_cast<MyListComponent*>(existingComponentToUpdate));
     if (juce::isPositiveAndBelow(rowNumber, modelData.getNumItems()))
     {

Source/components/MyListComponent.h

@@ -1,39 +1,33 @@
 #pragma once
 #include "DraggableListBox.h"
 #include <JuceHeader.h>
+#include "../audio/Effect.h"
 
 // Application-specific data container
 struct MyListBoxItemData : public DraggableListBoxItemData
 {
-    std::vector<juce::String> data;
+    std::vector<std::shared_ptr<Effect>> data;
 
-    int getNumItems() override
-    {
+    int getNumItems() override {
         return data.size();
     }
 
-    void deleteItem(int indexOfItemToDelete) override
-    {
+    void deleteItem(int indexOfItemToDelete) override {
 		data.erase(data.begin() + indexOfItemToDelete);
     }
 
-    void addItemAtEnd() override
-    {
-        data.push_back(juce::String("Yahoo"));
+    void addItemAtEnd() override {
+        // data.push_back(juce::String("Yahoo"));
     }
 
-    void paintContents(int rowNum, juce::Graphics& g, juce::Rectangle<int> bounds) override
-    {
+    void paintContents(int rowNum, juce::Graphics& g, juce::Rectangle<int> bounds) override {
         g.fillAll(juce::Colours::lightgrey);
         g.setColour(juce::Colours::black);
         g.drawRect(bounds);
-        if (rowNum < data.size()) {
-            g.drawText(data[rowNum], bounds, juce::Justification::centred);
-        }
     }
 
 	void moveBefore(int indexOfItemToMove, int indexOfItemToPlaceBefore) override {
-		juce::String temp = data[indexOfItemToMove];
+		auto temp = data[indexOfItemToMove];
 
         if (indexOfItemToMove < indexOfItemToPlaceBefore) {
             move(data, indexOfItemToMove, indexOfItemToPlaceBefore - 1);
@@ -43,7 +37,7 @@ struct MyListBoxItemData : public DraggableListBoxItemData
 	}
 
     void moveAfter(int indexOfItemToMove, int indexOfItemToPlaceAfter) override {
-        juce::String temp = data[indexOfItemToMove];
+        auto temp = data[indexOfItemToMove];
         
         if (indexOfItemToMove <= indexOfItemToPlaceAfter) {
             move(data, indexOfItemToMove, indexOfItemToPlaceAfter);
@@ -52,20 +46,25 @@ struct MyListBoxItemData : public DraggableListBoxItemData
         }
     }
 
-    template <typename t> void move(std::vector<t>& v, size_t oldIndex, size_t newIndex)
-    {
+    template <typename t> void move(std::vector<t>& v, size_t oldIndex, size_t newIndex) {
         if (oldIndex > newIndex) {
             std::rotate(v.rend() - oldIndex - 1, v.rend() - oldIndex, v.rend() - newIndex);
         } else {
             std::rotate(v.begin() + oldIndex, v.begin() + oldIndex + 1, v.begin() + newIndex + 1);
         }
     }
-
-    // This is an example of an operation on a single list item.
-    void doItemAction(int itemIndex)
-    {
-        DBG(data[itemIndex]);
+    
+    void setValue(int itemIndex, double value) {
+		data[itemIndex]->setValue(value);
     }
+
+	juce::String getText(int itemIndex) {
+		return data[itemIndex]->getName();
+	}
+
+	double getValue(int itemIndex) {
+		return data[itemIndex]->getValue();
+	}
 };
 
 // Custom list-item Component (which includes item-delete button)
@@ -80,7 +79,10 @@ public:
 
 protected:
     juce::Rectangle<int> dataArea;
-    juce::TextButton actionBtn, deleteBtn;
+    
+    juce::Slider slider;
+    juce::Label label;
+    juce::String id;
 
 private:
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(MyListComponent)