Layer effects - WIP commit

Profile editor - Show brush icons at different parts in the editor

src/Artemis.Core/Plugins/Abstract/LayerEffectProvider.cs

@@ -1,4 +1,8 @@
-using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using Artemis.Core.Plugins.Exceptions;
+using Artemis.Core.Plugins.LayerEffect;
+using Artemis.Core.Plugins.LayerEffect.Abstract;
 
 namespace Artemis.Core.Plugins.Abstract
 {
@@ -6,16 +10,37 @@ namespace Artemis.Core.Plugins.Abstract
     /// <summary>
     ///     Allows you to create one or more <see cref="LayerEffect" />s usable by profile layers.
     /// </summary>
-    public class LayerEffectProvider : Plugin
+    public abstract class LayerEffectProvider : Plugin
     {
-        public override void EnablePlugin()
+        private readonly List<LayerEffectDescriptor> _layerEffectDescriptors;
+
+        protected LayerEffectProvider()
         {
-            throw new NotImplementedException();
+            _layerEffectDescriptors = new List<LayerEffectDescriptor>();
         }
 
-        public override void DisablePlugin()
+        /// <summary>
+        ///     A read-only collection of all layer effects added with <see cref="AddLayerEffectDescriptor{T}" />
+        /// </summary>
+        public ReadOnlyCollection<LayerEffectDescriptor> LayerEffectDescriptors => _layerEffectDescriptors.AsReadOnly();
+
+        /// <summary>
+        ///     Adds a layer effect descriptor for a given layer effect, so that it appears in the UI.
+        ///     <para>Note: You do not need to manually remove these on disable</para>
+        /// </summary>
+        /// <typeparam name="T">The type of the layer effect you wish to register</typeparam>
+        /// <param name="displayName">The name to display in the UI</param>
+        /// <param name="description">The description to display in the UI</param>
+        /// <param name="icon">
+        ///     The Material icon to display in the UI, a full reference can be found
+        ///     <see href="https://materialdesignicons.com">here</see>
+        /// </param>
+        protected void AddLayerEffectDescriptor<T>(string displayName, string description, string icon) where T : BaseLayerEffect
         {
-            throw new NotImplementedException();
+            if (!Enabled)
+                throw new ArtemisPluginException(PluginInfo, "Can only add a layer effect descriptor when the plugin is enabled");
+
+            _layerEffectDescriptors.Add(new LayerEffectDescriptor(displayName, description, icon, typeof(T), this));
         }
     }
 }

src/Artemis.Core/Plugins/LayerBrush/Abstract/BaseLayerBrush.cs

@@ -36,6 +36,11 @@ namespace Artemis.Core.Plugins.LayerBrush.Abstract
         /// </summary>
         public virtual LayerPropertyGroup BaseProperties => null;
 
+        /// <summary>
+        ///     Gets whether the brush supports transformations, RGB.NET brushes never support transformation
+        /// </summary>
+        public bool SupportsTransformation { get; protected set; }
+
         public void Dispose()
         {
             DisableLayerBrush();

src/Artemis.Core/Plugins/LayerBrush/Abstract/PropertiesLayerBrush.cs

@@ -38,6 +38,7 @@ namespace Artemis.Core.Plugins.LayerBrush.Abstract
         internal void InitializeProperties(ILayerService layerService)
         {
             Properties = Activator.CreateInstance<T>();
+            Properties.LayerBrush = this;
             Properties.InitializeProperties(layerService, Layer, "LayerBrush.");
             PropertiesInitialized = true;
 

src/Artemis.Core/Plugins/LayerEffect/Abstract/LayerEffect.cs

@@ -35,19 +35,14 @@ namespace Artemis.Core.Plugins.LayerEffect.Abstract
             internal set => _properties = value;
         }
 
-        /// <summary>
-        ///     Called when all layer properties in this effect have been initialized
-        /// </summary>
-        protected virtual void OnPropertiesInitialized()
-        {
-        }
-
         internal void InitializeProperties(ILayerService layerService)
         {
             Properties = Activator.CreateInstance<T>();
+            Properties.LayerEffect = this;
             Properties.InitializeProperties(layerService, Layer, "LayerEffect.");
-            OnPropertiesInitialized();
             PropertiesInitialized = true;
+
+            EnableLayerEffect();
         }
 
         internal override void Initialize(ILayerService layerService)