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annotate Limits/SimpleRoundedPercentageLimit.cs @ 50:e98708559618

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Re #24: Add "limit" objects that can be used for numeric limits * Fix overrides
author IBBoard <dev@ibboard.co.uk>
date Sun, 11 Oct 2009 19:58:02 +0000
parents a177a3750acd
children 9a0009bc4455
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1 // This file (SimpleRoundedPercentageLimit.cs) is a part of the IBBoard project and is copyright 2009 IBBoard
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2 //
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3 // The file and the library/program it is in are licensed under the GNU LGPL license, either version 3 of the License or (at your option) any later version. Please see COPYING.LGPL for more information and the full license.
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5 using System;
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6 using IBBoard.CustomMath;
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7
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8 namespace IBBoard
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9 {
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10 /// <summary>
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11 /// A percentage-based limit that always either rounds up or down to the closest integer
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12 /// </summary>
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13 public class SimpleRoundedPercentageLimit : AbstractLimit
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14 {
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15 private bool roundUp;
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16
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17 public SimpleRoundedPercentageLimit (double percentageLimit, bool roundFractionUp) : base(percentageLimit)
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18 {
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19 roundUp = roundFractionUp;
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20 }
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22 /// <summary>
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23 /// Gets the limited number, based on the percentage limit that this <code>Limit</code> represents and the rounding direction
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24 /// </summary>
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25 /// <param name="size">
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26 /// The maximum size
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27 /// </param>
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28 /// <returns>
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29 /// <code>size</code> or the numeric limit this object was created with, whichever is smaller.
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30 /// </returns>
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31 public override int GetLimit(int size)
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32 {
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33 return (int)IBBMath.Round(size * Limit / 100, roundUp);
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34 }
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35 }
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36 }