# HG changeset patch
# User IBBoard <dev@ibboard.co.uk>
# Date 1254855565 0
# Node ID f3bb5b77a7e4a510f649f25c32e7b7fb5d88df23
# Parent  966ba575d4e63998b3bf544182d7f5338009c218
Re #24: Add "limit" objects that can be used for numeric limits
 * Add simple rounded limit

diff -r 966ba575d4e6 -r f3bb5b77a7e4 IBBoard.csproj
--- a/IBBoard.csproj	Tue Oct 06 18:49:04 2009 +0000
+++ b/IBBoard.csproj	Tue Oct 06 18:59:25 2009 +0000
@@ -129,6 +129,7 @@
     <Compile Include="Lang\IBBMath.cs" />
     <Compile Include="CustomMath\IBBMath.cs" />
     <Compile Include="Limits\NumericSizeConstrainedLimit.cs" />
+    <Compile Include="Limits\SimpleRoundedPercentageLimit.cs" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="libs\log4net.dll" />
diff -r 966ba575d4e6 -r f3bb5b77a7e4 Limits/SimpleRoundedPercentageLimit.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Limits/SimpleRoundedPercentageLimit.cs	Tue Oct 06 18:59:25 2009 +0000
@@ -0,0 +1,38 @@
+// This file (SimpleRoundedPercentageLimit.cs) is a part of the IBBoard project and is copyright 2009 IBBoard
+// 
+// The file and the library/program it is in are licensed and distributed, without warranty, under the GNU Affero GPL license, either version 3 of the License or (at your option) any later version. Please see COPYING for more information and the full license.
+
+using System;
+using IBBoard.CustomMath;
+
+namespace IBBoard
+{
+	/// <summary>
+	/// A percentage-based limit that always either rounds up or down to the closest integer
+	/// </summary>
+	public class SimpleRoundedPercentageLimit
+	{
+		private double limit;
+		private bool roundUp;
+		
+		public SimpleRoundedPercentageLimit (double percentageLimit, bool roundFractionUp)
+		{
+			limit = percentageLimit;
+			roundUp = roundFractionUp;
+		}
+		
+		/// <summary>
+		/// Gets the limited number, based on the percentage limit that this <code>Limit</code> represents and the rounding direction
+		/// </summary>
+		/// <param name="size">
+		/// The maximum size
+		/// </param>
+		/// <returns>
+		/// <code>size</code> or the numeric limit this object was created with, whichever is smaller.
+		/// </returns>
+		public int GetLimit(int size)
+		{
+			return (int)IBBMath.Round(size * limit / 100, roundUp);
+		}
+	}
+}