图片斜着打水印

Question

图片怎么斜着打水印呢，最好给点源代码，谢谢了！

Answer 1

asp.net上传图片加水印(c#) 源代码

Answer 2

旋转一下
http://msdn.microsoft.com/zh-cn/library/system.drawing.graphics.transform%28VS.80%29.aspx例子代码
http://www.c-sharpcorner.com/UploadFile/mahesh/Transformations0412192005054803AM/Transformations04.aspx

Answer 3

 Bitmap userimage=Image.FromImage(path); 
            Graphics g = Graphics.FromImage(userimage);//userimage是要旋转的图片 
            PointF Pcenter = new PointF(userimage.Width / 2, userimage.Height / 2);//Pcenter是中心点 
            g.TranslateTransform(Pcenter.X, Pcenter.Y); 
            g.RotateTransform(Rotate);//Rotate是要旋转的角度 
            g.TranslateTransform(-Pcenter.X, -Pcenter.Y); 
            g.DrawImage(temp, x, y, w, h);//x,y,w,h代表左上角的x点坐标,y点坐标,图片的宽和高 
            g.ResetTransform(); 
           userimage.save(newpath); 

Answer 4

设置水印位置
http://topic.csdn.net/u/20090105/15/b6da3548-d384-403f-9d60-6eb17d1b0ec4.html