From f26ba041cea7728fdb80af798cd0ddc574e43a94 Mon Sep 17 00:00:00 2001
From: Lukasz Stanislawski <l.stanislaws@samsung.com>
Date: Mon, 19 Oct 2020 12:33:23 +0200
Subject: [PATCH] Introduce Unit metric

According to new guideline rules all elements will be described
in units instead of pixels. Provide utilities for easier conversion
between units and pixes.
---
 Fitness/Config.cs           |  5 +++++
 Fitness/UnitSize.cs         | 34 ++++++++++++++++++++++++++++++++++
 Fitness/Views/UnitsUtils.cs | 12 ++++++++++++
 3 files changed, 51 insertions(+)
 create mode 100644 Fitness/UnitSize.cs
 create mode 100644 Fitness/Views/UnitsUtils.cs

diff --git a/Fitness/Config.cs b/Fitness/Config.cs
index 37233c6..bfe7f77 100644
--- a/Fitness/Config.cs
+++ b/Fitness/Config.cs
@@ -9,5 +9,10 @@ namespace Fitness
         /// Log tag used to identify application-specific events in the logging utility tool.
         /// </summary>
         public const string LogTag = "FitnessApp";
+
+        /// <summary>
+        /// Unit Size for current screen
+        /// </summary>
+        public const UnitSize Unit = UnitSize.MediumUnit;
     }
 }
diff --git a/Fitness/UnitSize.cs b/Fitness/UnitSize.cs
new file mode 100644
index 0000000..4236315
--- /dev/null
+++ b/Fitness/UnitSize.cs
@@ -0,0 +1,34 @@
+namespace Fitness
+{
+    /// <summary>
+    /// UnitSize is used to convert size descibe in abstract metric - called
+    /// unit - into pixels.
+    /// </summary>
+    public enum UnitSize
+    {
+        /// <summary>
+        /// Number of pixels per unit for very large size displays with very small dpi.
+        /// </summary>
+        ExtraSmallUnit = 1,
+
+        /// <summary>
+        /// Number of pixels per unit for large size displays with small dpi.
+        /// </summary>
+        SmallUnit = 2,
+
+        /// <summary>
+        /// Number of pixels per unit for average size displays with average dpi.
+        /// </summary>
+        MediumUnit = 4,
+
+        /// <summary>
+        /// Number of pixels per unit for small size displays with high dpi.
+        /// </summary>
+        LargeUnit = 6,
+
+        /// <summary>
+        /// Number of pixels per unit for very small size displays with very high dpi.
+        /// </summary>
+        ExtraLargUnit = 8,
+    }
+}
diff --git a/Fitness/Views/UnitsUtils.cs b/Fitness/Views/UnitsUtils.cs
new file mode 100644
index 0000000..9a8cf87
--- /dev/null
+++ b/Fitness/Views/UnitsUtils.cs
@@ -0,0 +1,12 @@
+using Fitness;
+
+namespace Fitness.Views
+{
+    public static class UnitsUtils
+    {
+        public static int UnitsToPixels(int units)
+        {
+            return units * (int)Config.Unit;
+        }
+    }
+}
-- 
2.7.4