Update meters example to use enumeration

dpf

@@ -1 +1 @@
-Subproject commit d6d1d3b55c2737a9a0c13f69ee76238917ad62e3
+Subproject commit c2b9c40333a7b5e066dcb8d60fa023373b639324

plugins/Meters/DistrhoPluginInfo.h

@@ -1,6 +1,6 @@
 /*
  * DISTRHO Plugin Framework (DPF)
- * Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2012-2018 Filipe Coelho <falktx@falktx.com>
  *
  * Permission to use, copy, modify, and/or distribute this software for any purpose with
  * or without fee is hereby granted, provided that the above copyright notice and this
@@ -28,4 +28,7 @@
 #define DISTRHO_PLUGIN_WANT_STATE  1
 #define DISTRHO_UI_USE_NANOVG      1
 
+#define METER_COLOR_GREEN 0
+#define METER_COLOR_BLUE  1
+
 #endif // DISTRHO_PLUGIN_INFO_H_INCLUDED

plugins/Meters/ExamplePluginMeters.cpp

@@ -1,6 +1,6 @@
 /*
  * DISTRHO Plugin Framework (DPF)
- * Copyright (C) 2012-2015 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2012-2018 Filipe Coelho <falktx@falktx.com>
  *
  * Permission to use, copy, modify, and/or distribute this software for any purpose with
  * or without fee is hereby granted, provided that the above copyright notice and this
@@ -123,6 +123,17 @@ protected:
             parameter.hints  = kParameterIsAutomable|kParameterIsInteger;
             parameter.name   = "color";
             parameter.symbol = "color";
+            parameter.enumValues.count = 2;
+            parameter.enumValues.restrictedMode = true;
+            {
+                ParameterEnumerationValue* const values = new ParameterEnumerationValue[2];
+                parameter.enumValues.values = values;
+
+                values[0].label = "Green";
+                values[0].value = METER_COLOR_GREEN;
+                values[1].label = "Blue";
+                values[1].value = METER_COLOR_BLUE;
+            }
             break;
         case 1:
             parameter.hints  = kParameterIsAutomable|kParameterIsOutput;

plugins/Meters/ExampleUIMeters.cpp

@@ -1,6 +1,6 @@
 /*
  * DISTRHO Plugin Framework (DPF)
- * Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2012-2018 Filipe Coelho <falktx@falktx.com>
  *
  * Permission to use, copy, modify, and/or distribute this software for any purpose with
  * or without fee is hereby granted, provided that the above copyright notice and this
@@ -58,7 +58,7 @@ protected:
         switch (index)
         {
         case 0: // color
-            updateColor(value);
+            updateColor(std::round(value));
             break;
 
         case 1: // out-left
@@ -224,10 +224,10 @@ private:
 
         switch (color)
         {
-        case 0: // green
+        case METER_COLOR_GREEN:
             fColor = Color(93, 231, 61);
             break;
-        case 1: // blue
+        case METER_COLOR_BLUE:
             fColor = Color(82, 238, 248);
             break;
         }