/// 给图片加水印 中国红木网
/// </summary> /// <param name="originalImg"></param> /// <param name="waterImg"></param> /// <param name="trbl"></param> /// <returns></returns> public static Image WatermarkImage(Image originalImg, Image waterImg, WatermarkTRBL trbl) { Image image = (Image)originalImg.Clone(); using (Graphics g = Graphics.FromImage(image)) { Rectangle r = new Rectangle(); r.Height = waterImg.Height; r.Width = waterImg.Width; if (trbl.Top != null) { r.Y = (int)trbl.Top; } if (trbl.Right != null) { r.X = originalImg.Width - waterImg.Width - (int)trbl.Right; } if (trbl.Bottom != null) { r.Y = originalImg.Height - waterImg.Height - (int)trbl.Bottom; } if (trbl.Left != null) { r.X = (int)trbl.Left; } g.DrawImage(waterImg, r, 0, 0, waterImg.Width, waterImg.Height, GraphicsUnit.Pixel); } return image; }Bitmap b = new Bitmap(image.Width,
image.Height,PixelFormat.Format24bppRgb);
Graphics g =
Graphics.FromImage(b);
g.Clear(Color.White);
g.SmoothingMode =
System.Drawing.Drawing2D.SmoothingMode.Default;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Default;
g.DrawImage(image, 0, 0, image.Width, image.Height);
高质量 用普通模式
.net 加水印 图片变大很多 解决方法,布布扣,bubuko.com
原文地址：http://www.cnblogs.com/lljinz/p/3776974.html
