From f4e3f04d5d689f28997d16cbe62389108e3398b8 Mon Sep 17 00:00:00 2001
From: Kangho Hur <kangho.hur@samsung.com>
Date: Fri, 6 Jan 2017 15:43:46 +0900
Subject: Support BlendColor to Image as a TizenSpecific API

Change-Id: Ic3068b3c0834605be5d45cc5f1a96d6933a0856f
---
 .../PlatformConfiguration/TizenSpecific/Image.cs   | 30 +++++++++++++++
 Xamarin.Forms.Core/Xamarin.Forms.Core.csproj       |  5 ++-
 .../Renderers/ImageRenderer.cs                     | 45 ++++++++++++++++++++--
 3 files changed, 75 insertions(+), 5 deletions(-)
 create mode 100644 Xamarin.Forms.Core/PlatformConfiguration/TizenSpecific/Image.cs

diff --git a/Xamarin.Forms.Core/PlatformConfiguration/TizenSpecific/Image.cs b/Xamarin.Forms.Core/PlatformConfiguration/TizenSpecific/Image.cs
new file mode 100644
index 00000000..2c86fd04
--- /dev/null
+++ b/Xamarin.Forms.Core/PlatformConfiguration/TizenSpecific/Image.cs
@@ -0,0 +1,30 @@
+namespace Xamarin.Forms.PlatformConfiguration.TizenSpecific
+{
+	using FormsElement = Forms.Image;
+
+	public static class Image
+	{
+		public static readonly BindableProperty BlendColorProperty = BindableProperty.Create("BlendColor", typeof(Color), typeof(FormsElement), Color.Default);
+
+		public static Color GetBlendColor(BindableObject element)
+		{
+			return (Color)element.GetValue(BlendColorProperty);
+		}
+
+		public static void SetBlendColor(BindableObject element, Color color)
+		{
+			element.SetValue(BlendColorProperty, color);
+		}
+
+		public static Color GetBlendColor(this IPlatformElementConfiguration<Tizen, FormsElement> config)
+		{
+			return GetBlendColor(config.Element);
+		}
+
+		public static IPlatformElementConfiguration<Tizen, FormsElement> SetBlendColor(this IPlatformElementConfiguration<Tizen, FormsElement> config, Color color)
+		{
+			SetBlendColor(config.Element, color);
+			return config;
+		}
+	}
+}
diff --git a/Xamarin.Forms.Core/Xamarin.Forms.Core.csproj b/Xamarin.Forms.Core/Xamarin.Forms.Core.csproj
index 8f217e58..07dc83ea 100644
--- a/Xamarin.Forms.Core/Xamarin.Forms.Core.csproj
+++ b/Xamarin.Forms.Core/Xamarin.Forms.Core.csproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -99,6 +99,7 @@
     <Compile Include="PlatformConfiguration\iOSSpecific\StatusBarHiddenMode.cs" />
     <Compile Include="PlatformConfiguration\iOSSpecific\UIStatusBarAnimation.cs" />
     <Compile Include="PlatformConfiguration\iOSSpecific\VisualElement.cs" />
+    <Compile Include="PlatformConfiguration\TizenSpecific\Image.cs" />
     <Compile Include="PlatformConfiguration\TizenSpecific\ProgressBar.cs" />
     <Compile Include="PlatformConfiguration\WindowsSpecific\MasterDetailPage.cs" />
     <Compile Include="PlatformConfiguration\WindowsSpecific\CollapseStyle.cs" />
@@ -460,4 +461,4 @@
     </PostBuildEvent>
   </PropertyGroup>
   <ItemGroup />
-</Project>
+</Project>
\ No newline at end of file
diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/ImageRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/ImageRenderer.cs
index ca06a669..09353b2a 100644
--- a/Xamarin.Forms.Platform.Tizen/Renderers/ImageRenderer.cs
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/ImageRenderer.cs
@@ -1,15 +1,15 @@
+using System.ComponentModel;
 using System.Threading;
 using System.Threading.Tasks;
 
+using Specific = Xamarin.Forms.PlatformConfiguration.TizenSpecific.Image;
+
 namespace Xamarin.Forms.Platform.Tizen
 {
 	public class ImageRenderer : ViewRenderer<Image, Native.Image>
 	{
 		public ImageRenderer()
 		{
-			RegisterPropertyHandler(Image.SourceProperty, UpdateSource);
-			RegisterPropertyHandler(Image.AspectProperty, UpdateAspect);
-			RegisterPropertyHandler(Image.IsOpaqueProperty, UpdateIsOpaque);
 		}
 
 		protected override void OnElementChanged(ElementChangedEventArgs<Image> e)
@@ -20,9 +20,35 @@ namespace Xamarin.Forms.Platform.Tizen
 				SetNativeControl(image);
 			}
 
+			if (e.NewElement != null)
+			{
+				UpdateAll();
+			}
+
 			base.OnElementChanged(e);
 		}
 
+		protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+		{
+			base.OnElementPropertyChanged(sender, e);
+			if (e.PropertyName == Image.SourceProperty.PropertyName)
+			{
+				UpdateSource();
+			}
+			else if (e.PropertyName == Image.AspectProperty.PropertyName)
+			{
+				UpdateAspect();
+			}
+			else if (e.PropertyName == Image.IsOpaqueProperty.PropertyName)
+			{
+				UpdateIsOpaque();
+			}
+			else if (e.PropertyName == Specific.BlendColorProperty.PropertyName)
+			{
+				UpdateBlendColor();
+			}
+		}
+
 		async void UpdateSource()
 		{
 			ImageSource source = Element.Source;
@@ -49,6 +75,19 @@ namespace Xamarin.Forms.Platform.Tizen
 		{
 			Control.IsOpaque = Element.IsOpaque;
 		}
+
+		void UpdateBlendColor()
+		{
+			Control.Color = Specific.GetBlendColor(Element).ToNative();
+		}
+
+		void UpdateAll()
+		{
+			UpdateSource();
+			UpdateAspect();
+			UpdateIsOpaque();
+			UpdateBlendColor();
+		}
 	}
 
 	public interface IImageSourceHandler : IRegisterable
-- 
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