From 08559603b6e168b7176493dc526e965729bcb819 Mon Sep 17 00:00:00 2001
From: Christian Colglazier <christian@cacolglazier.com>
Date: Tue, 22 Sep 2020 10:46:41 -0400
Subject: [PATCH] Delete wave on droplet close

---
 src/droplets/vco_droplet.cpp | 7 +++++--
 src/droplets/vco_droplet.h   | 1 +
 src/graphics/sprite.cpp      | 7 +++++++
 src/graphics/sprite.h        | 1 +
 4 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/droplets/vco_droplet.cpp b/src/droplets/vco_droplet.cpp
index 1c679f9..fd5eb3b 100644
--- a/src/droplets/vco_droplet.cpp
+++ b/src/droplets/vco_droplet.cpp
@@ -4,7 +4,7 @@ VCODroplet::VCODroplet(DaisyPatch* m_patch,
 		       DropletState m_state,
 		       float sample_rate) :
   Droplet(m_patch,
-	  m_state){
+	  m_state) {
   int num_waves = Oscillator::WAVE_LAST;
   SetAnimationRate(10);
   osc.Init(sample_rate);
@@ -18,6 +18,10 @@ VCODroplet::VCODroplet(DaisyPatch* m_patch,
 	       0.5f, Parameter::LINEAR);
 }
 
+VCODroplet::~VCODroplet() {
+  delete wave;
+}
+
 void VCODroplet::Control() {}
 
 void VCODroplet::Process(float** in, float** out, size_t size) {
@@ -32,7 +36,6 @@ void VCODroplet::Process(float** in, float** out, size_t size) {
     wave = wavectrl.Process();
     amp = ampctrl.Process();
     // Set osc params
-    
     osc.SetFreq(freq);
     osc.SetWaveform(wave);
     osc.SetAmp(amp);
diff --git a/src/droplets/vco_droplet.h b/src/droplets/vco_droplet.h
index 7ed4b0d..60dc60b 100644
--- a/src/droplets/vco_droplet.h
+++ b/src/droplets/vco_droplet.h
@@ -25,6 +25,7 @@ private:
   Sprite* wave = new Sprite(sine_width, kTitleHeight);
 public:
   VCODroplet(DaisyPatch*, DropletState, float);
+  ~VCODroplet();
   void Control();
   void Process(float**, float**, size_t);
   void Draw();
diff --git a/src/graphics/sprite.cpp b/src/graphics/sprite.cpp
index d3c0470..8f3b6ef 100644
--- a/src/graphics/sprite.cpp
+++ b/src/graphics/sprite.cpp
@@ -12,6 +12,13 @@ Sprite::Sprite(int m_width, int m_height) {
   }
 }
 
+Sprite::~Sprite() {
+  for (int w = 0; w < width; w++) {
+    delete[] sprite[w];
+  }
+  delete[] sprite;
+}
+
 void Sprite::SetPixel(int x, int y, bool solid) {
   sprite[x][y] = solid;
 }
diff --git a/src/graphics/sprite.h b/src/graphics/sprite.h
index 2b23ae7..bd1699f 100644
--- a/src/graphics/sprite.h
+++ b/src/graphics/sprite.h
@@ -13,6 +13,7 @@ class Sprite {
   bool** sprite;
  public:
   Sprite(int, int);
+  ~Sprite();
   void SetPixel(int, int, bool);
   int GetHeight();
   int GetWidth();