initial commit

source/Background/IBackground.mc

@@ -0,0 +1,20 @@
+import Toybox.Graphics;
+import Toybox.Lang;
+import Toybox.WatchUi;
+
+class IBackground extends Drawable {
+
+    typedef BackgroundParams as {
+        :Identifier as Object,
+    };
+
+    function initialize(options as BackgroundParams) {
+        Drawable.initialize({:identifier => options[:Identifier]});
+    }
+
+    function draw(dc as Dc) as Void {
+        drawBackground(dc);
+    }
+
+    function drawBackground(dc as Dc) as Void {}
+}

source/Background/SolidBackground.mc

@@ -0,0 +1,24 @@
+import Toybox.Graphics;
+import Toybox.Lang;
+import Toybox.WatchUi;
+
+class SolidBackground extends IBackground {
+
+    var Color as ColorType;
+
+    typedef SolidBackgroundParams as {
+        :BackgroundParams as IBackground.BackgroundParams,
+        :Color as ColorType,
+    };
+
+    function initialize(options as SolidBackgroundParams) {
+        IBackground.initialize(getOrElse(options[:BackgroundParams], {}));
+
+        Color = getOrElse(options[:Color], Graphics.COLOR_BLACK);
+    }
+
+    function drawBackground(dc as Dc) as Void {
+        dc.setColor(Graphics.COLOR_TRANSPARENT, Color);
+        dc.clear();
+    }
+}