using System.Drawing;

namespace Microsoft.Drawing
{
    /// <summary>
    /// Size 操作
    /// </summary>
    public static class SizeEx
    {
        /// <summary>
        /// 调整大小非空,影响原来大小
        /// </summary>
        /// <param name="size">要调整的大小</param>
        public static void MakeNotEmpty(ref Size size)
        {
            if (size.Width < 1)
                size.Width = 1;
            if (size.Height < 1)
                size.Height = 1;
        }

        /// <summary>
        /// 宽度放大倍数
        /// </summary>
        /// <param name="size">Size</param>
        /// <param name="count">倍数</param>
        /// <returns>新的Size</returns>
        public static Size MultiplyWidth(Size size, int count)
        {
            return new Size(size.Width * count, size.Height);
        }

        /// <summary>
        /// 高度放大倍数
        /// </summary>
        /// <param name="size">Size</param>
        /// <param name="count">倍数</param>
        /// <returns>新的Size</returns>
        public static Size MultiplyHeight(Size size, int count)
        {
            return new Size(size.Width, size.Height * count);
        }

        /// <summary>
        /// 宽度和高度放大倍数
        /// </summary>
        /// <param name="size">Size</param>
        /// <param name="count">倍数</param>
        /// <returns>新的Size</returns>
        public static Size MultiplyBoth(Size size, int count)
        {
            return new Size(size.Width * count, size.Height * count);
        }
    }
}