JW/Framework/Bowin.Common/Drawing/PictureHelper.cs

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

namespace Bowin.Common.Drawing
{
    public class PictureHelper
    {
        public static Image AddOverlay(Image sourceImg, Image overlay, int topPixcel, int leftPixcel)
        {
            var result = Graphics.FromImage(sourceImg);
            result.DrawImage(overlay, new Point(leftPixcel, topPixcel));

            return sourceImg;
        }
    }
}