Support Density Independent Pixel on FontSize

 - FontSize on Span was use DP unit

Change-Id: I1a0a50dbeae3ede0c61a67f60f7238631684537d

3 files changed, 17 insertions, 6 deletions

diff --git a/Xamarin.Forms.Platform.Tizen/Forms.cs b/Xamarin.Forms.Platform.Tizen/Forms.cs
index 34828a41..453bab82 100644
--- a/Xamarin.Forms.Platform.Tizen/Forms.cs
+++ b/Xamarin.Forms.Platform.Tizen/Forms.cs
@@ -11,6 +11,12 @@ namespace Xamarin.Forms.Platform.Tizen
 {
 	public static class Forms
 	{
+		static Lazy<int> s_dpi = new Lazy<int>(() =>
+		{
+			int dpi = 0;
+			TSystemInfo.TryGetValue<int>("http://tizen.org/feature/screen.dpi", out dpi);
+			return dpi;
+		});
 		class TizenDeviceInfo : DeviceInfo
 		{
 			readonly Size pixelScreenSize;
@@ -178,6 +184,11 @@ namespace Xamarin.Forms.Platform.Tizen
 			// TODO: implement me
 			return Color.Black;
 		}
+
+		internal static int ConvertToPixel(double dp)
+		{
+			return (int)Math.Round(dp * s_dpi.Value / 160.0);
+		}
 	}
 
 	class TizenExpressionSearch : ExpressionVisitor, IExpressionSearch
@@ -206,4 +217,4 @@ namespace Xamarin.Forms.Platform.Tizen
 			return base.VisitMember(node);
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/Xamarin.Forms.Platform.Tizen/Native/Span.cs b/Xamarin.Forms.Platform.Tizen/Native/Span.cs
index 7ac4134f..0e3f0000 100644
--- a/Xamarin.Forms.Platform.Tizen/Native/Span.cs
+++ b/Xamarin.Forms.Platform.Tizen/Native/Span.cs
@@ -175,7 +175,7 @@ namespace Xamarin.Forms.Platform.Tizen.Native
 
 			if (FontSize != -1)
 			{
-				_formattingString.AppendFormat("font_size={0} ", FontSize);
+				_formattingString.AppendFormat("font_size={0} ", Forms.ConvertToPixel(FontSize));
 			}
 
 			if ((FontAttributes & FontAttributes.Bold) != 0)
diff --git a/Xamarin.Forms.Platform.Tizen/TizenPlatformServices.cs b/Xamarin.Forms.Platform.Tizen/TizenPlatformServices.cs
index 7d442318..db7ee1de 100644
--- a/Xamarin.Forms.Platform.Tizen/TizenPlatformServices.cs
+++ b/Xamarin.Forms.Platform.Tizen/TizenPlatformServices.cs
@@ -82,14 +82,14 @@ namespace Xamarin.Forms.Platform.Tizen
 			switch (size)
 			{
 				case NamedSize.Micro:
-					return 16;
+					return 10;
 				case NamedSize.Small:
-					return 20;
+					return 12;
 				case NamedSize.Default:
 				case NamedSize.Medium:
-					return 24;
+					return 14;
 				case NamedSize.Large:
-					return 30;
+					return 18;
 				default:
 					throw new ArgumentOutOfRangeException();
 			}