lyfz_repos/其他源码/LYFZ.WinAPI/UnitConverter.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace LYFZ.WinAPI
{
    public class UnitConverter
    {
        public const decimal K = 2.54M;
        /// <summary>
        /// 英寸转厘米
        /// </summary>
        /// <param name="inch"></param>
        /// <returns></returns>
        public static decimal InchToCm(decimal inch)
        {
            return inch * K;
        }

        /// <summary>
        /// 厘米转英寸
        /// </summary>
        /// <param name="cm"></param>
        /// <returns></returns>
        public static decimal CmToInch(decimal cm)
        {
            return cm / K;
        }

        /// <summary>
        /// (百分之一)英寸制，转毫米
        /// </summary>
        /// <returns></returns>
        public static int HundredthsInchToMM(decimal d)
        {
            return (int)Math.Round((d / 100.00M) * K * 10);
        }

        /// <summary>
        /// (百分之一)英寸制，转厘米
        /// </summary>
        public static decimal HundredthsInchToCM(decimal d)
        {
            return (d / 100.00M) * K;
        }

        /// <summary>
        /// 毫米，转(百分之一)英寸制
        /// </summary>
        /// <returns></returns>
        public static int MMToHundredthsInch(decimal d)
        {
            return (int)Math.Round((d / 10m / K) * 100.00M);
        }

        /// <summary>
        /// 厘米，转(百分之一)英寸制
        /// </summary>
        public static decimal CMToHundredthsInch(decimal d)
        {
            return (d / K) * 100.00M;
        }
    }
}