Added IDrawable and IRecalculable in C++

LemonUI.SHV/IDrawable.hpp

@@ -0,0 +1,16 @@
+#pragma once
+
+namespace LemonUI
+{
+	/// <summary>
+	/// Represents an item that can be drawn.
+	/// </summary>
+	class IDrawable
+	{
+	public:
+		/// <summary>
+		/// Draws the item on the screen.
+		/// </summary>
+		virtual void Draw() = 0;
+	};
+}

LemonUI.SHV/IRecalculable.hpp

@@ -0,0 +1,16 @@
+#pragma once
+
+namespace LemonUI
+{
+	/// <summary>
+	/// Interface for classes that have values that need to be recalculated on resolution changes.
+	/// </summary>
+	class IRecalculable
+	{
+	public:
+		/// <summary>
+		/// Recalculates the values.
+		/// </summary>
+		virtual void Recalculate() = 0;
+	};
+}

LemonUI.SHV/LemonUI.SHV.vcxproj

@@ -15,6 +15,8 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Alignment.hpp" />
+    <ClInclude Include="IDrawable.hpp" />
+    <ClInclude Include="IRecalculable.hpp" />
     <ClInclude Include="Sound.hpp" />
   </ItemGroup>
   <PropertyGroup Label="Globals">

LemonUI.SHV/LemonUI.SHV.vcxproj.filters

@@ -26,5 +26,11 @@
     <ClInclude Include="Alignment.hpp">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="IRecalculable.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="IDrawable.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>