给图片加水印文件及图标

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;

namespace Common_Base.GDI
{
    /// <summary>
    /// 待绘制的信息类
    /// </summary>
    public class TextList
    {
        /// <summary>
        /// 信息
        /// </summary>
        public string Info { get; set; }
        /// <summary>
        /// 信息X轴坐标
        /// </summary>
        public float InfoX { get; set; }
        /// <summary>
        /// 信息Y轴坐标
        /// </summary>
        public float InfoY { get; set; }

        /// <summary>
        /// 时间
        /// </summary>
        public string DateTime { get; set; }
        /// <summary>
        /// 时间X轴坐标
        /// </summary>
        public float DateTimeX { get; set; }
        /// <summary>
        /// 时间Y轴坐标
        /// </summary>
        public float DateTimeY { get; set; }

        /// <summary>
        /// 图片X轴坐标
        /// </summary>
        public int PhotoX { get; set; }
        /// <summary>
        /// 图片Y轴坐标
        /// </summary>
        public int PhotoY { get; set; }
    }
    public class ImagesUtil
    {
        public Image SetImagesText(Image image, TextList textList)
        {
            Graphics g = Graphics.FromImage(image);
            g.DrawImage(image, 0, 0, image.Width, image.Height);
            Font f = new Font("Verdana", 32);
            Brush b = new SolidBrush(Color.Red);
            g.DrawString(textList.Info, f, b,textList.InfoX,textList.InfoY);
            g.DrawString(textList.DateTime, f, b, textList.DateTimeX, textList.DateTimeY);
            g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
            g.Dispose();

            return image;
        }

        public Image SetImagesPhoto(Image image, Image myImage,TextList textList)
        {
            Graphics g = Graphics.FromImage(image);
            g.DrawImage(myImage, new Rectangle(textList.PhotoX, textList.PhotoY, myImage.Width, myImage.Height),
                          0,0 , myImage.Width, myImage.Height, GraphicsUnit.Pixel);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Dispose();

            return image;
        }
    }
}