paulpatarinski · BradChase2011 · Sep 3, 2015 · Sep 3, 2015 · Sep 3, 2015
diff --git a/SVG/SVG.sln b/SVG/SVG.sln
diff --git a/SVG/SVG/SVG.Forms.Plugin.Abstractions/ColorPair.cs b/SVG/SVG/SVG.Forms.Plugin.Abstractions/ColorPair.cs
@@ -0,0 +1,27 @@
+using Xamarin.Forms;
+using System.Collections.ObjectModel;
+
+namespace SVG.Forms.Plugin.Abstractions
+{
+    public class ColorPairs : ObservableCollection<ColorPair>
+    {
+
+    }
+
+    public class ColorPair
+    {
+        public Color OldColor { get; set; }
+        public Color NewColor { get; set; }
+
+        public ColorPair( Color in_OldColor, Color in_NewColor ) : this( )
+        {
+            OldColor = in_OldColor;
+            NewColor = in_NewColor;
+        }
+
+        public ColorPair( )
+        {
+
+        }
+    }
+}
diff --git a/SVG/SVG/SVG.Forms.Plugin.Abstractions/ISvgImageRenderer.cs b/SVG/SVG/SVG.Forms.Plugin.Abstractions/ISvgImageRenderer.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SVG.Forms.Plugin.Abstractions
+{
+    public interface ISvgImageRenderer
+    {
+        void Render( );
+    }
+}
diff --git a/SVG/SVG/SVG.Forms.Plugin.Abstractions/SVG.Forms.Plugin.Abstractions.csproj b/SVG/SVG/SVG.Forms.Plugin.Abstractions/SVG.Forms.Plugin.Abstractions.csproj
@@ -1,75 +1,80 @@
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-  </PropertyGroup>
-  <ItemGroup>
-    <Compile Include="SvgImage.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
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-    <Reference Include="Xamarin.Forms.Platform, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
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-      <Private>True</Private>
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-      <HintPath>..\..\packages\Xamarin.Forms.1.4.4.6392\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Xaml.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="packages.config" />
-  </ItemGroup>
-  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
-  <Import Project="..\..\packages\Xamarin.Forms.1.4.4.6392\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets" Condition="Exists('..\..\packages\Xamarin.Forms.1.4.4.6392\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\..\packages\Xamarin.Forms.1.4.4.6392\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Xamarin.Forms.1.4.4.6392\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets'))" />
-  </Target>
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <MinimumVisualStudioVersion>10.0</MinimumVisualStudioVersion>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{14C534B6-1984-41A9-A384-D3A5508588E3}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>SVG.Forms.Plugin.Abstractions</RootNamespace>
+    <AssemblyName>SVG.Forms.Plugin.Abstractions</AssemblyName>
+    <DefaultLanguage>en-US</DefaultLanguage>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <TargetFrameworkProfile>Profile78</TargetFrameworkProfile>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <NuGetPackageImportStamp>32acdf3c</NuGetPackageImportStamp>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <DocumentationFile>bin\Release\SVG.Forms.Plugin.Abstractions.XML</DocumentationFile>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="ColorPair.cs" />
+    <Compile Include="ISvgImageRenderer.cs" />
+    <Compile Include="SvgImage.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="SvgImageRendererExtensions.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="NGraphics.Custom">
+      <HintPath>ext_bin\NGraphics.Custom.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Core, Version=1.5.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Xamarin.Forms.1.5.0.6404-pre3\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Core.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Xamarin.Forms.1.5.0.6404-pre3\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Platform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Xaml, Version=1.5.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Xamarin.Forms.1.5.0.6404-pre3\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Xaml.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
+  <Import Project="..\..\packages\Xamarin.Forms.1.5.0.6404-pre3\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets" Condition="Exists('..\..\packages\Xamarin.Forms.1.5.0.6404-pre3\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\packages\Xamarin.Forms.1.5.0.6404-pre3\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Xamarin.Forms.1.5.0.6404-pre3\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets'))" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
   </Target>
   <Target Name="AfterBuild">
   </Target>
-  -->
+  -->
 </Project>
diff --git a/SVG/SVG/SVG.Forms.Plugin.Abstractions/SvgImage.cs b/SVG/SVG/SVG.Forms.Plugin.Abstractions/SvgImage.cs
@@ -1,38 +1,109 @@
 using System.Reflection;
-using Xamarin.Forms;
+using Xamarin.Forms;
 
 namespace SVG.Forms.Plugin.Abstractions
 {
-  public class SvgImage : Image
-  {
-    /// <summary>
-    /// The path to the svg file
-    /// </summary>
-    public static readonly BindableProperty SvgPathProperty =
-      BindableProperty.Create("SvgPath", typeof(string), typeof(SvgImage), default(string));
+  public class SvgImage : Image
+  {
+      private bool _IsTemplateLoaded          = false;
+
+        #region Properties
+        /// <summary>
+        /// The path to the svg file
+        /// </summary>
+        public static readonly BindableProperty SvgPathProperty = BindableProperty.Create("SvgPath", typeof(string), typeof(SvgImage), default(string));
 
-    /// <summary>
-    /// The path to the svg file
-    /// </summary>
-    public string SvgPath
-    {
-      get { return (string)GetValue(SvgPathProperty); }
-      set { SetValue(SvgPathProperty, value); }
-    }
+        /// <summary>
+        /// The path to the svg file
+        /// </summary>
+        public string SvgPath
+        {
+            get { return (string)GetValue(SvgPathProperty); }
+            set { SetValue(SvgPathProperty, value); }
+        }
 
-    /// <summary>
-    /// The assembly containing the svg file
-    /// </summary>
-    public static readonly BindableProperty SvgAssemblyProperty =
-      BindableProperty.Create("SvgAssembly", typeof(Assembly), typeof(SvgImage), default(Assembly));
+        /// <summary>
+        /// The assembly containing the svg file
+        /// </summary>
+        public static readonly BindableProperty SvgAssemblyProperty = BindableProperty.Create("SvgAssembly", typeof(Assembly), typeof(SvgImage), default(Assembly));
 
-    /// <summary>
-    /// The assembly containing the svg file
-    /// </summary>
-    public Assembly SvgAssembly
-    {
-      get { return (Assembly)GetValue(SvgAssemblyProperty); }
-      set { SetValue(SvgAssemblyProperty, value); }
-    }
+        /// <summary>
+        /// The assembly containing the svg file
+        /// </summary>
+        public Assembly SvgAssembly
+        {
+            get { return (Assembly)GetValue(SvgAssemblyProperty); }
+            set { SetValue(SvgAssemblyProperty, value); }
+        }
+
+        /// <summary>
+        /// Colors to replace upon render.
+        /// </summary>
+        public static readonly BindableProperty ReplacementColorsProperty = BindableProperty.Create<SvgImage, ColorPairs>(w => w.ReplacementColors, null, BindingMode.Default, null, OnReplacementColorsPropertyChanged, null, null, null);
+        /// <summary>
+        /// Colors to replace upon render.
+        /// </summary>
+        public ColorPairs ReplacementColors
+        {
+            get { return (ColorPairs)GetValue(ReplacementColorsProperty); }
+            set { SetValue(ReplacementColorsProperty, value); }
+        }
+        #endregion
+
+        #region Startup
+        public SvgImage( ) : base( )
+        {
+            if( ReplacementColors == null )
+                ReplacementColors = new ColorPairs( );
+
+            ApplyTemplate( );
+        }
+
+        private void ApplyTemplate( )
+        {
+            _IsTemplateLoaded = true;
+            OnReplacementColorsChanged( );
+        }
+        #endregion
+
+        #region Property Changes
+        private static void OnReplacementColorsPropertyChanged( BindableObject d, ColorPairs in_OldValue, ColorPairs in_NewValue )
+        {
+            SvgImage element = d as SvgImage;
+
+            if( element == null )
+                return;
+
+            if( in_OldValue != null )
+                in_OldValue.CollectionChanged -= element.ColorPairs_CollectionChanged;
+
+            if( in_NewValue != null )
+            {
+                in_NewValue.CollectionChanged -= element.ColorPairs_CollectionChanged;
+                in_NewValue.CollectionChanged += element.ColorPairs_CollectionChanged;
+            }
+
+            if( in_NewValue == in_OldValue )
+                return;
+
+            element.OnReplacementColorsChanged( );
+        }
+
+        private void ColorPairs_CollectionChanged( object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e )
+        {
+            // inefficient for now, should go by whats added and what is not --bwc
+            OnReplacementColorsChanged( );
+        }
+
+        private void OnReplacementColorsChanged( )
+        {
+            if( !_IsTemplateLoaded )
+                return;
+
+            //ISvgImageRenderer renderer = RendererFactory.GetRenderer(this) as ISvgImageRenderer;
+            //if( renderer != null )
+            //    renderer.Render( );
+        }
+        #endregion
   }
 }