Centered text

src/droplets/noise_droplet.cpp

@@ -28,5 +28,17 @@ void NoiseDroplet::Process(float** in, float** out, size_t size) {
 }
 
 void NoiseDroplet::Draw() {
-  WriteString(*patch, 0, 30, Font_6x8, "Test");
+  DrawName(patch);
+}
+
+
+void NoiseDroplet::DrawName(DaisyPatch* patch) {
+  int min = 0;
+  int max = SSD1309_WIDTH;
+  if (state == DropletState::kLeft) {
+    max = SSD1309_WIDTH / 2;
+  } else if (state == DropletState::kRight) {
+    min = SSD1309_WIDTH / 2;
+  }
+  WriteCenteredString(*patch, (min + max) / 2, 0, Font_6x8, "Noise");
 }

src/droplets/noise_droplet.h

@@ -14,6 +14,7 @@ class NoiseDroplet: public Droplet {
   DaisyPatch* patch;
   daisysp::WhiteNoise noise;
   daisysp::NlFilt filter;
+  void DrawName(DaisyPatch*);
  public:
   NoiseDroplet(DaisyPatch*, float, DropletState);
   void Control();

src/main.cpp

@@ -18,7 +18,9 @@ Droplet* droplet;
 int main(void) {
   patch.Init();
   float samplerate = patch.AudioSampleRate();
-  droplet = new NoiseDroplet(&patch, samplerate, DropletState::kFull);
+  droplet = new NoiseDroplet(&patch,
+			     samplerate,
+			     DropletState::kFull);
   patch.StartAdc();
   patch.StartAudio(AudioThrough);
   
@@ -39,7 +41,8 @@ void ProcessControls() {
     }
   } else {
     if (patch.encoder.Pressed()) {
-      if (patch.encoder.TimeHeldMs() > 500 && patch.encoder.TimeHeldMs() < 505) {
+      if (patch.encoder.TimeHeldMs() > 500 &&
+	  patch.encoder.TimeHeldMs() < 505) {
 	menu.SetInMenu(true);
       }
     }
@@ -59,7 +62,9 @@ void ProcessOled() {
   patch.display.Update();
 }
 
-static void AudioThrough(float **in, float **out, size_t size) {
+static void AudioThrough(float **in,
+			 float **out,
+			 size_t size) {
   patch.UpdateAnalogControls();
   droplet->Process(in, out, size);
 }

src/util.cpp

@@ -28,3 +28,22 @@ void WriteString(DaisyPatch patch,
 		 std::string text) {
   WriteString(patch, x, y, font, text, true);
 }
+
+void WriteCenteredString(DaisyPatch patch,
+			 int x,
+			 int y,
+			 FontDef font,
+			 std::string text,
+			 bool on) {
+
+  int text_width = font.FontWidth * text.size();
+  WriteString(patch, x - (text_width / 2), y, font, text, on);
+}
+
+void WriteCenteredString(DaisyPatch patch,
+		 int x,
+		 int y,
+		 FontDef font,
+		 std::string text) {
+  WriteCenteredString(patch, x, y, font, text, true);
+}

src/util.h

@@ -29,4 +29,17 @@ void WriteString(DaisyPatch,
 		 FontDef,
 		 std::string);
 
+void WriteCenteredString(DaisyPatch,
+			 int,
+			 int,
+			 FontDef,
+			 std::string,
+			 bool);
+
+void WriteCenteredString(DaisyPatch,
+			 int,
+			 int,
+			 FontDef,
+			 std::string);
+
 #endif // CASCADE_UTIL_H_