- Improve code structure

- Improve log output format

src/DesktopMagicPluginAPI/DesktopMagicPluginAPI.md

@@ -28,9 +28,14 @@
   - [Font](#P-DesktopMagicPluginAPI-IPluginData-Font 'DesktopMagicPluginAPI.IPluginData.Font')
   - [PluginName](#P-DesktopMagicPluginAPI-IPluginData-PluginName 'DesktopMagicPluginAPI.IPluginData.PluginName')
   - [PluginPath](#P-DesktopMagicPluginAPI-IPluginData-PluginPath 'DesktopMagicPluginAPI.IPluginData.PluginPath')
+  - [Theme](#P-DesktopMagicPluginAPI-IPluginData-Theme 'DesktopMagicPluginAPI.IPluginData.Theme')
   - [WindowPosition](#P-DesktopMagicPluginAPI-IPluginData-WindowPosition 'DesktopMagicPluginAPI.IPluginData.WindowPosition')
   - [WindowSize](#P-DesktopMagicPluginAPI-IPluginData-WindowSize 'DesktopMagicPluginAPI.IPluginData.WindowSize')
   - [UpdateWindow()](#M-DesktopMagicPluginAPI-IPluginData-UpdateWindow 'DesktopMagicPluginAPI.IPluginData.UpdateWindow')
+- [ITheme](#T-DesktopMagicPluginAPI-ITheme 'DesktopMagicPluginAPI.ITheme')
+  - [Font](#P-DesktopMagicPluginAPI-ITheme-Font 'DesktopMagicPluginAPI.ITheme.Font')
+  - [PrimaryColor](#P-DesktopMagicPluginAPI-ITheme-PrimaryColor 'DesktopMagicPluginAPI.ITheme.PrimaryColor')
+  - [SecondaryColor](#P-DesktopMagicPluginAPI-ITheme-SecondaryColor 'DesktopMagicPluginAPI.ITheme.SecondaryColor')
 - [IntegerUpDown](#T-DesktopMagicPluginAPI-Inputs-IntegerUpDown 'DesktopMagicPluginAPI.Inputs.IntegerUpDown')
   - [#ctor(min,max,value)](#M-DesktopMagicPluginAPI-Inputs-IntegerUpDown-#ctor-System-Int32,System-Int32,System-Int32- 'DesktopMagicPluginAPI.Inputs.IntegerUpDown.#ctor(System.Int32,System.Int32,System.Int32)')
   - [Maximum](#P-DesktopMagicPluginAPI-Inputs-IntegerUpDown-Maximum 'DesktopMagicPluginAPI.Inputs.IntegerUpDown.Maximum')
@@ -323,14 +328,14 @@ Defines properties and methods that provide information about the main applicati
 
 ##### Summary
 
-Gets the color of the main application.
+Gets the current color of the main application.
 
 <a name='P-DesktopMagicPluginAPI-IPluginData-Font'></a>
 ### Font `property`
 
 ##### Summary
 
-Gets the font of the main application.
+Gets the current font of the main application.
 
 <a name='P-DesktopMagicPluginAPI-IPluginData-PluginName'></a>
 ### PluginName `property`
@@ -346,6 +351,13 @@ Gets the name of the plugin.
 
 Gets the path of the parent directory of the plugin.
 
+<a name='P-DesktopMagicPluginAPI-IPluginData-Theme'></a>
+### Theme `property`
+
+##### Summary
+
+Gets the current theme setting of the main application.
+
 <a name='P-DesktopMagicPluginAPI-IPluginData-WindowPosition'></a>
 ### WindowPosition `property`
 
@@ -371,6 +383,38 @@ Updates the plugin window.
 
 This method has no parameters.
 
+<a name='T-DesktopMagicPluginAPI-ITheme'></a>
+## ITheme `type`
+
+##### Namespace
+
+DesktopMagicPluginAPI
+
+##### Summary
+
+The theme settings of the main application.
+
+<a name='P-DesktopMagicPluginAPI-ITheme-Font'></a>
+### Font `property`
+
+##### Summary
+
+Gets the font of the main application.
+
+<a name='P-DesktopMagicPluginAPI-ITheme-PrimaryColor'></a>
+### PrimaryColor `property`
+
+##### Summary
+
+Gets the primary color of the main application.
+
+<a name='P-DesktopMagicPluginAPI-ITheme-SecondaryColor'></a>
+### SecondaryColor `property`
+
+##### Summary
+
+Gets the secondary color of the main application.
+
 <a name='T-DesktopMagicPluginAPI-Inputs-IntegerUpDown'></a>
 ## IntegerUpDown `type`
 
@@ -588,7 +632,7 @@ Occurs when the user rotates the mouse wheel while the mouse pointer is over thi
 
 ##### Summary
 
-Occurs once when the pugin gets activated.
+Occurs once when the plugin gets activated.
 
 ##### Parameters
 

src/DesktopMagicPluginAPI/DesktopMagicPluginAPI.xml

@@ -283,12 +283,17 @@
         </member>
         <member name="P:DesktopMagicPluginAPI.IPluginData.Font">
             <summary>
-            Gets the font of the main application.
+            Gets the current font of the main application.
             </summary>
         </member>
         <member name="P:DesktopMagicPluginAPI.IPluginData.Color">
             <summary>
-            Gets the color of the main application.
+            Gets the current color of the main application.
+            </summary>
+        </member>
+        <member name="P:DesktopMagicPluginAPI.IPluginData.Theme">
+            <summary>
+            Gets the current theme setting of the main application.
             </summary>
         </member>
         <member name="P:DesktopMagicPluginAPI.IPluginData.WindowSize">
@@ -316,6 +321,26 @@
             Updates the plugin window.
             </summary>
         </member>
+        <member name="T:DesktopMagicPluginAPI.ITheme">
+            <summary>
+            The theme settings of the main application.
+            </summary>
+        </member>
+        <member name="P:DesktopMagicPluginAPI.ITheme.PrimaryColor">
+            <summary>
+            Gets the primary color of the main application.
+            </summary>
+        </member>
+        <member name="P:DesktopMagicPluginAPI.ITheme.SecondaryColor">
+            <summary>
+            Gets the secondary color of the main application.
+            </summary>
+        </member>
+        <member name="P:DesktopMagicPluginAPI.ITheme.Font">
+            <summary>
+            Gets the font of the main application.
+            </summary>
+        </member>
         <member name="T:DesktopMagicPluginAPI.Plugin">
             <summary>
             The plugin class.
@@ -338,7 +363,7 @@
         </member>
         <member name="M:DesktopMagicPluginAPI.Plugin.Start">
             <summary>
-            Occurs once when the pugin gets activated.
+            Occurs once when the plugin gets activated.
             </summary>
         </member>
         <member name="M:DesktopMagicPluginAPI.Plugin.Main">

src/DesktopMagicPluginAPI/IPluginData.cs

@@ -1,4 +1,5 @@
-using System.Drawing;
+using System;
+using System.Drawing;
 
 namespace DesktopMagicPluginAPI
 {
@@ -8,15 +9,22 @@ namespace DesktopMagicPluginAPI
     public interface IPluginData
     {
         /// <summary>
-        /// Gets the font of the main application.
+        /// Gets the current font of the main application.
         /// </summary>
+        [Obsolete("Use the \"Theme\" property instead")]
         string Font { get; }
 
         /// <summary>
-        /// Gets the color of the main application.
+        /// Gets the current color of the main application.
         /// </summary>
+        [Obsolete("Use the \"Theme\" property instead")]
         Color Color { get; }
 
+        /// <summary>
+        /// Gets the current theme setting of the main application.
+        /// </summary>
+        ITheme Theme { get; }
+
         /// <summary>
         /// Gets the window size of the plugin window.
         /// </summary>

src/DesktopMagicPluginAPI/ITheme.cs

@@ -0,0 +1,25 @@
+using System.Drawing;
+
+namespace DesktopMagicPluginAPI
+{
+    /// <summary>
+    /// The theme settings of the main application.
+    /// </summary>
+    public interface ITheme
+    {
+        /// <summary>
+        /// Gets the primary color of the main application.
+        /// </summary>
+        Color PrimaryColor { get; }
+
+        /// <summary>
+        /// Gets the secondary color of the main application.
+        /// </summary>
+        Color SecondaryColor { get; }
+
+        /// <summary>
+        /// Gets the font of the main application.
+        /// </summary>
+        string Font { get; }
+    }
+}

src/DesktopMagicPluginAPI/Plugin.cs

@@ -43,7 +43,7 @@ namespace DesktopMagicPluginAPI
         public virtual RenderQuality RenderQuality { get; set; } = RenderQuality.High;
 
         /// <summary>
-        /// Occurs once when the pugin gets activated.
+        /// Occurs once when the plugin gets activated.
         /// </summary>
         public virtual void Start()
         {