Update v2.4

EmptyKeys.UserInterface.Core/AssetManager.cs

@@ -37,5 +37,13 @@ public AssetManager()
         /// <param name="file">The file.</param>
         /// <returns></returns>
         public abstract SoundBase LoadSound(object contentManager, string file);
+
+        /// <summary>
+        /// Loads the effect.
+        /// </summary>
+        /// <param name="contentManager">The content manager.</param>
+        /// <param name="file">The file.</param>
+        /// <returns></returns>
+        public abstract EffectBase LoadEffect(object contentManager, string file);
     }
 }

EmptyKeys.UserInterface.Core/EmptyKeys.UserInterface.Core.csproj

@@ -61,7 +61,9 @@
     <Compile Include="Media\AudioDevice.cs" />
     <Compile Include="Media\Colors.cs" />
     <Compile Include="Media\ColorW.cs" />
+    <Compile Include="Media\EffectBase.cs" />
     <Compile Include="Media\FontBase.cs" />
+    <Compile Include="Media\FontEffectType.cs" />
     <Compile Include="Media\GeometryBuffer.cs" />
     <Compile Include="Media\GeometryPrimitiveType.cs" />
     <Compile Include="Media\GradientSpreadMethod.cs" />

EmptyKeys.UserInterface.Core/Engine.cs

@@ -58,7 +58,7 @@ public static Engine Instance
         /// <value>
         /// The input device.
         /// </value>
-        public abstract InputDeviceBase InputDevice { get; }
+        public abstract InputDeviceBase InputDevice { get; }        
 
         /// <summary>
         /// Initializes a new instance of the <see cref="Engine"/> class.

EmptyKeys.UserInterface.Core/Media/EffectBase.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace EmptyKeys.UserInterface.Media
+{
+    /// <summary>
+    /// Implements abstract Effect
+    /// </summary>
+    public abstract class EffectBase
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="EffectBase"/> class.
+        /// </summary>
+        /// <param name="nativeEffect">The native effect.</param>
+        public EffectBase(object nativeEffect)
+        {
+        }
+
+        /// <summary>
+        /// Gets the native effect.
+        /// </summary>
+        /// <returns></returns>
+        public abstract object GetNativeEffect();
+
+        /// <summary>
+        /// Updates the effect parameters.
+        /// </summary>
+        /// <param name="parameters">The parameters.</param>
+        public abstract void UpdateEffectParameters(params object[] parameters);
+    }
+}

EmptyKeys.UserInterface.Core/Media/FontBase.cs

@@ -31,6 +31,14 @@ public abstract class FontBase
         /// </value>
         public abstract float Spacing { get; set; }
 
+        /// <summary>
+        /// Gets or sets the type of the effect.
+        /// </summary>
+        /// <value>
+        /// The type of the effect.
+        /// </value>
+        public abstract FontEffectType EffectType { get; }
+
         /// <summary>
         /// Initializes a new instance of the <see cref="FontBase"/> class.
         /// </summary>

EmptyKeys.UserInterface.Core/Media/FontEffectType.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace EmptyKeys.UserInterface.Media
+{
+    /// <summary>
+    /// Describes font effect
+    /// </summary>
+    public enum FontEffectType
+    {
+        /// <summary>
+        /// No effect needed, this is standard sprite font
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Signed Distance Field font type
+        /// </summary>
+        SDF
+    }
+}

EmptyKeys.UserInterface.Core/Renderers/Renderer.cs

@@ -47,21 +47,34 @@ public abstract bool IsFullScreen
         /// </summary>
         public abstract void Begin();
 
+        /// <summary>
+        /// Begins the rendering with custom effect
+        /// </summary>
+        /// <param name="effect">The effect.</param>
+        public abstract void Begin(EffectBase effect);
+
         /// <summary>
         /// Ends rendering
         /// </summary>
-        public abstract void End();
+        public abstract void End(bool endEffect = false);
 
         /// <summary>
         /// Begins the clipped rendering
         /// </summary>
         /// <param name="clipRect">The clip rect.</param>
         public abstract void BeginClipped(Rect clipRect);
 
+        /// <summary>
+        /// Begins the clipped rendering with custom effect
+        /// </summary>
+        /// <param name="clipRect">The clip rect.</param>
+        /// <param name="effect">The effect.</param>
+        public abstract void BeginClipped(Rect clipRect, EffectBase effect);
+
         /// <summary>
         /// Ends the clipped rendering
         /// </summary>
-        public abstract void EndClipped();
+        public abstract void EndClipped(bool endEffect = false);
 
         /// <summary>
         /// Determines whether the specified rectangle is outside of clip bounds
@@ -164,5 +177,18 @@ public abstract bool IsFullScreen
         /// Resets the size of the native. Sets NativeScreenWidth and NativeScreenHeight based on active back buffer
         /// </summary>
         public abstract void ResetNativeSize();
+
+        /// <summary>
+        /// Creates the effect.
+        /// </summary>
+        /// <param name="nativeEffect">The native effect.</param>
+        /// <returns></returns>
+        public abstract EffectBase CreateEffect(object nativeEffect);
+
+        /// <summary>
+        /// Gets the SDF font effect.
+        /// </summary>
+        /// <returns></returns>
+        public abstract EffectBase GetSDFFontEffect();
     }
 }

EmptyKeys.UserInterface.FNA/EmptyKeys.UserInterface.FNA.csproj

@@ -77,6 +77,7 @@
     <Compile Include="Media\FNAAudioDevice.cs" />
     <Compile Include="Media\FNASound.cs" />
     <Compile Include="FNAEngine.cs" />
+    <Compile Include="Media\FNAEffect.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Renderers\FNARenderer.cs" />
     <Compile Include="FNAAssetManager.cs" />

EmptyKeys.UserInterface.FNA/FNAAssetManager.cs

@@ -61,5 +61,27 @@ public override SoundBase LoadSound(object contentManager, string file)
             SoundEffect native = database.Load<SoundEffect>(file);
             return Engine.Instance.AudioDevice.CreateSound(native);
         }
+
+        /// <summary>
+        /// Loads the effect.
+        /// </summary>
+        /// <param name="contentManager">The content manager.</param>
+        /// <param name="file">The file.</param>
+        /// <returns></returns>
+        public override EffectBase LoadEffect(object contentManager, string file)
+        {
+            ContentManager database = contentManager as ContentManager;
+            Effect native = null;
+            try
+            {
+                native = database.Load<Effect>(file);
+            }
+            catch (Exception)
+            {
+                // some built-in effects are not implemented yet
+            }
+
+            return Engine.Instance.Renderer.CreateEffect(native);
+        }
     }
 }

EmptyKeys.UserInterface.FNA/Media/FNAEffect.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace EmptyKeys.UserInterface.Media
+{
+    /// <summary>
+    /// Implements FNA specific effect
+    /// </summary>
+    /// <seealso cref="EmptyKeys.UserInterface.Media.EffectBase" />
+    public class FNAEffect : EffectBase
+    {
+        private Effect effect;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FNAEffect"/> class.
+        /// </summary>
+        /// <param name="nativeEffect">The native effect.</param>
+        public FNAEffect(object nativeEffect) : base(nativeEffect)
+        {
+            effect = nativeEffect as Effect;            
+        }
+
+        /// <summary>
+        /// Gets the native effect.
+        /// </summary>
+        /// <returns></returns>
+        public override object GetNativeEffect()
+        {
+            return effect;
+        }
+
+        /// <summary>
+        /// Updates the effect parameters.
+        /// </summary>
+        /// <param name="parameters">The parameters.</param>
+        public override void UpdateEffectParameters(params object[] parameters)
+        {                     
+        }
+    }
+}

EmptyKeys.UserInterface.FNA/Media/FNAFont.cs

@@ -55,6 +55,21 @@ public override float Spacing
             }
         }
 
+        /// <summary>
+        /// Gets or sets the type of the effect.
+        /// </summary>
+        /// <value>
+        /// The type of the effect.
+        /// </value>
+        /// <exception cref="System.NotImplementedException"></exception>
+        public override FontEffectType EffectType
+        {
+            get
+            {
+                return FontEffectType.None;
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the <see cref="FNAFont" /> class.
         /// </summary>