Replaced effects with decorators.

Decorators should be way more flexible while beeing easy to use.

RGB.NET.Decorators/Brush/FlashDecorator.cs

@@ -0,0 +1,156 @@
+// ReSharper disable MemberCanBePrivate.Global
+// ReSharper disable AutoPropertyCanBeMadeGetOnly.Global
+// ReSharper disable UnusedMember.Global
+
+using System;
+using RGB.NET.Core;
+
+namespace RGB.NET.Decorators.Brush
+{
+    /// <summary>
+    /// Represents a decorator which allows to flash a brush by modifying his opacity.
+    /// </summary>
+    public class FlashDecorator : AbstractUpdateAwareDecorator, IBrushDecorator
+    {
+        #region Properties & Fields
+
+        /// <summary>
+        /// Gets or sets the attack-time (in seconds) of the decorator. (default: 0.2)<br />
+        /// This is close to a synthesizer envelope. (See <see href="http://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope" />  as reference)
+        /// </summary>
+        public double Attack { get; set; } = 0.2;
+
+        /// <summary>
+        /// Gets or sets the decay-time (in seconds) of the decorator. (default: 0)<br />
+        /// This is close to a synthesizer envelope. (See <see href="http://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope" /> as reference)
+        /// </summary>
+        public double Decay { get; set; } = 0;
+
+        /// <summary>
+        /// Gets or sets the sustain-time (in seconds) of the decorator. (default: 0.3)<br />
+        /// This is close to a synthesizer envelope. (See <see href="http://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope" /> as reference)<br />
+        /// Note that this value for naming reasons represents the time NOT the level.
+        /// </summary>
+        public double Sustain { get; set; } = 0.3;
+
+        /// <summary>
+        /// Gets or sets the release-time (in seconds) of the decorator. (default: 0.2)<br />
+        /// This is close to a synthesizer envelope. (See <see href="http://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope" /> as reference)
+        /// </summary>
+        public double Release { get; set; } = 0.2;
+
+        /// <summary>
+        /// Gets or sets the level to which the oppacity (percentage) should raise in the attack-cycle. (default: 1);
+        /// </summary>
+        public double AttackValue { get; set; } = 1;
+
+        /// <summary>
+        /// Gets or sets the level at which the oppacity (percentage) should stay in the sustain-cycle. (default: 1);
+        /// </summary>
+        public double SustainValue { get; set; } = 1;
+
+        /// <summary>
+        /// Gets or sets the interval (in seconds) in which the decorator should repeat (if repetition is enabled). (default: 1)
+        /// </summary>
+        public double Interval { get; set; } = 1;
+
+        /// <summary>
+        /// Gets or sets the amount of repetitions the decorator should do until it's finished. Zero means infinite. (default: 0)
+        /// </summary>
+        public int Repetitions { get; set; } = 0;
+
+        private ADSRPhase _currentPhase;
+        private double _currentPhaseValue;
+        private int _repetitionCount;
+
+        private double _currentValue;
+
+        #endregion
+
+        #region Methods
+
+        /// <inheritdoc />
+        public void ManipulateColor(Rectangle rectangle, BrushRenderTarget renderTarget, ref Color color) => color.APercent = _currentValue;
+
+        /// <inheritdoc />
+        protected override void Update(double deltaTime)
+        {
+            _currentPhaseValue -= deltaTime;
+
+            // Using ifs instead of a switch allows to skip phases with time 0.
+            // ReSharper disable InvertIf
+
+            if (_currentPhase == ADSRPhase.Attack)
+                if (_currentPhaseValue > 0)
+                    _currentValue = Math.Min(1, (Attack - _currentPhaseValue) / Attack) * AttackValue;
+                else
+                {
+                    _currentPhaseValue = Decay;
+                    _currentPhase = ADSRPhase.Decay;
+                }
+
+            if (_currentPhase == ADSRPhase.Decay)
+                if (_currentPhaseValue > 0)
+                    _currentValue = SustainValue + (Math.Min(1, _currentPhaseValue / Decay) * (AttackValue - SustainValue));
+                else
+                {
+                    _currentPhaseValue = Sustain;
+                    _currentPhase = ADSRPhase.Sustain;
+                }
+
+            if (_currentPhase == ADSRPhase.Sustain)
+                if (_currentPhaseValue > 0)
+                    _currentValue = SustainValue;
+                else
+                {
+                    _currentPhaseValue = Release;
+                    _currentPhase = ADSRPhase.Release;
+                }
+
+            if (_currentPhase == ADSRPhase.Release)
+                if (_currentPhaseValue > 0)
+                    _currentValue = Math.Min(1, _currentPhaseValue / Release) * SustainValue;
+                else
+                {
+                    _currentPhaseValue = Interval;
+                    _currentPhase = ADSRPhase.Pause;
+                }
+
+            if (_currentPhase == ADSRPhase.Pause)
+                if (_currentPhaseValue > 0)
+                    _currentValue = 0;
+                else
+                {
+                    if ((++_repetitionCount >= Repetitions) && (Repetitions > 0))
+                        Detach<IBrush, FlashDecorator>();
+                    _currentPhaseValue = Attack;
+                    _currentPhase = ADSRPhase.Attack;
+                }
+
+            // ReSharper restore InvertIf
+        }
+
+        /// <inheritdoc />
+        public override void OnAttached(IDecoratable decoratable)
+        {
+            base.OnAttached(decoratable);
+
+            _currentPhase = ADSRPhase.Attack;
+            _currentPhaseValue = Attack;
+            _repetitionCount = 0;
+            _currentValue = 0;
+        }
+
+        #endregion
+
+        // ReSharper disable once InconsistentNaming
+        private enum ADSRPhase
+        {
+            Attack,
+            Decay,
+            Sustain,
+            Release,
+            Pause
+        }
+    }
+}

RGB.NET.Decorators/Gradient/MoveGradientDecorator.cs

@@ -0,0 +1,70 @@
+using RGB.NET.Brushes;
+using RGB.NET.Brushes.Gradients;
+using RGB.NET.Core;
+
+namespace RGB.NET.Decorators.Gradient
+{
+    /// <summary>
+    /// Represents a decorator which allows to move an <see cref="IGradient"/> by modifying his offset.
+    /// </summary>
+    public class MoveGradientDecorator : AbstractUpdateAwareDecorator, IGradientDecorator
+    {
+        #region Properties & Fields
+        // ReSharper disable AutoPropertyCanBeMadeGetOnly.Global
+        // ReSharper disable MemberCanBePrivate.Global
+
+        /// <summary>
+        /// Gets or sets the direction the <see cref="IGradient"/> is moved.
+        /// True leads to an offset-increment (normaly moving to the right), false to an offset-decrement (normaly moving to the left).
+        /// </summary>
+        public bool Direction { get; set; }
+
+        /// <summary>
+        /// Gets or sets the speed of the movement in units per second.
+        /// The meaning of units differs for the different <see cref="IGradient"/>, but 360 units will always be one complete cycle:
+        ///   <see cref="LinearGradient"/>: 360 unit = 1 offset.
+        ///   <see cref="RainbowGradient"/>: 1 unit = 1 degree.
+        /// </summary>
+        public double Speed { get; set; }
+
+        // ReSharper restore MemberCanBePrivate.Global
+        // ReSharper restore AutoPropertyCanBeMadeGetOnly.Global
+        #endregion
+
+        #region Constructors
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MoveGradientDecorator"/> class.
+        /// </summary>
+        /// <param name="speed">The speed of the movement in units per second.
+        /// The meaning of units differs for the different <see cref="IGradient"/>  but 360 units will always be one complete cycle:
+        ///   <see cref="LinearGradient"/>: 360 unit = 1 offset.
+        ///   <see cref="RainbowGradient"/>: 1 unit = 1 degree.</param>
+        /// <param name="direction">The direction the <see cref="IGradient"/> is moved.
+        /// True leads to an offset-increment (normaly moving to the right), false to an offset-decrement (normaly moving to the left).</param>
+        public MoveGradientDecorator(double speed = 180.0, bool direction = true)
+        {
+            this.Speed = speed;
+            this.Direction = direction;
+        }
+
+        #endregion
+
+        #region Methods
+
+        /// <inheritdoc />
+        protected override void Update(double deltaTime)
+        {
+            double movement = Speed * deltaTime;
+
+            if (!Direction)
+                movement = -movement;
+
+            foreach (IDecoratable decoratedObject in DecoratedObjects)
+                if (decoratedObject is IGradient gradient)
+                    gradient.Move(movement);
+        }
+
+        #endregion
+    }
+}

RGB.NET.Decorators/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("RGB.NET.Decorators")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("RGB.NET.Decorators")]
+[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("7012c431-244a-453f-b7fd-59e030cdbc44")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

RGB.NET.Decorators/RGB.NET.Decorators.csproj

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{7012C431-244A-453F-B7FD-59E030CDBC44}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>RGB.NET.Decorators</RootNamespace>
+    <AssemblyName>RGB.NET.Decorators</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\bin\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <DocumentationFile>..\bin\RGB.NET.Decorators.xml</DocumentationFile>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>..\bin\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <DocumentationFile>..\bin\RGB.NET.Decorators.xml</DocumentationFile>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.ValueTuple, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.ValueTuple.4.3.1\lib\netstandard1.0\System.ValueTuple.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Brush\FlashDecorator.cs" />
+    <Compile Include="Gradient\MoveGradientDecorator.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\RGB.NET.Brushes\RGB.NET.Brushes.csproj">
+      <Project>{347c5f0f-f490-4dec-9c1c-6e84750d838d}</Project>
+      <Name>RGB.NET.Brushes</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\RGB.NET.Core\RGB.NET.Core.csproj">
+      <Project>{5a4f9a75-75fe-47cd-90e5-914d5b20d232}</Project>
+      <Name>RGB.NET.Core</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

RGB.NET.Decorators/packages.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="RGB.NET.Brushes" version="1.0.0" targetFramework="net45" />
+  <package id="RGB.NET.Core" version="1.0.0" targetFramework="net45" />
+  <package id="System.ValueTuple" version="4.3.1" targetFramework="net45" />
+</packages>