在ASP.NET中如何在图片上生成图片水印？
/// <summary> /// 在图片上生成图片水印 /// </summary> /// <param name="Path">原服务器图片路径</param> /// <param name="Path_syp">生成的带图片水印的图片路径</param> /// <param name="Path_sypf">水印图片路径</param> public static void AddShuiYinPic(string Path, string Path_syp, string Path_sypf) { System.Drawing.Image image = System.Drawing.Image.FromFile(Path);
System.Drawing.Image copyImage = System.Drawing.Image.FromFile(Path_sypf); System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(image);
g.DrawImage(copyImage, new System.Drawing.Rectangle(image.Width - copyImage.Width, image.Height - copyImage.Height, copyImage.Width, copyImage.Height), 0, 0, copyImage.Width, copyImage.Height, System.Drawing.GraphicsUnit.Pixel); g.Dispose();更多内容http://rajojia.blog.51cto.com
image.Save(Path_syp); image.Dispose(); } } Default.aspx代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>asp.net 上传图片并作处理 水印 缩略图</title> </head> <body>
<form id="form1" runat="server"> <div> <asp:FileUpload ID="FileUpload1" runat="server" BorderColor="Gray" BorderWidth="1px" />
<asp:Button ID="Button1" runat="server" onClick="Button1_Click" Text="上传" BorderColor="Gray" BorderWidth="1px" Width="70px" /><br />
<asp:Label ID="Label1" runat="server"></asp:Label> </div>
</form> </body> </html>
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