asp.net 图片水印+文字水印
2020-12-07 00:19
标签：style blog class code java javascript width color string rgb type asp.net 图片水印+文字水印,搜素材,soscw.com asp.net 图片水印+文字水印 标签：style blog class code java javascript width color string rgb type 原文地址：http://www.cnblogs.com/Yashull/p/3701419.html
public void AddWaterPic（）
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//图片水印
string bg = Request.MapPath("~/images/bg.jpg");//背景图
string newPath = Request.MapPath("~/newImages/");//保存路径
string shuiyin= Request.MapPath("~/images/scrollBlock.jpg");//水印图片
System.Drawing.Image image = System.Drawing.Image.FromFile(bg); //取出背景图片
System.Drawing.Image img = System.Drawing.Image.FromFile(shuiyin);//取出水印图片
Graphics g = Graphics.FromImage(image);
Rectangle rectbg = new Rectangle(932, 728, image.Width, image.Height); //水印的坐标宽932,高728
g.DrawImage(img, rectbg , 0, 0, img.Width, img.Height, GraphicsUnit.Pixel); //在指定位置并且按大小绘制水印图片
//文字水印
DateTime dt = Convert.ToDateTime(Date);
g.DrawString(dt.ToString("yyyy年MM月dd日"), f, b, 934, 730);
newImageName = (dt.ToString("yyyyMMddhhmmssms") + ".jpg");
System.Drawing.Image cover = System.Drawing.Image.FromFile(newPath + newImageName);
Response.ContentType = "image/jpeg";//设置输出类型为JPEG图片
cover.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);//将修改的图片存入输出流
cover.Dispose();//输出图片到客户端
Response.End();
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