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61 lines
2.4 KiB
61 lines
2.4 KiB
// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="ComparableExtensions.cs" company="James South">
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// Copyright © James South and contributors.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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// <summary>
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// Extension methods for classes that implement <see cref="IComparable{T}" />.
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// </summary>
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// --------------------------------------------------------------------------------------------------------------------
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namespace ImageProcessor
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{
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using System;
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/// <summary>
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/// Extension methods for classes that implement <see cref="IComparable{T}"/>.
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/// </summary>
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internal static class ComparableExtensions
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{
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/// <summary>
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/// Returns value indicating whether the given number is with in the minimum and maximum
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/// given range.
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/// </summary>
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/// <param name="value">The value to to check. </param>
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/// <param name="min">The minimum range value.</param>
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/// <param name="max">The maximum range value.</param>
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/// <typeparam name="T">The <see cref="System.Type"/> to test.</typeparam>
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/// <returns>
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/// True if the value falls within the maximum and minimum; otherwise, false.
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/// </returns>
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public static bool IsBetween<T>(this T value, T min, T max) where T : IComparable<T>
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{
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return (value.CompareTo(min) > 0) && (value.CompareTo(max) < 0);
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}
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/// <summary>
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/// Restricts a value to be within a specified range.
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/// </summary>
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/// <param name="value">The The value to clamp.</param>
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/// <param name="min">The minimum value. If value is less than min, min will be returned.</param>
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/// <param name="max">The maximum value. If value is greater than max, max will be returned.</param>
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/// <typeparam name="T">The <see cref="System.Type"/> to clamp.</typeparam>
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/// <returns>
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/// The <see cref="IComparable{T}"/> representing the clamped value.
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/// </returns>
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public static T Clamp<T>(this T value, T min, T max) where T : IComparable<T>
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{
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if (value.CompareTo(min) < 0)
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{
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return min;
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}
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if (value.CompareTo(max) > 0)
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{
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return max;
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}
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return value;
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}
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}
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}
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