图片简单处理

前台

 
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Pictrue.aspx.cs" Inherits="Make_Pictrue_Pictrue" %>



<!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></title>

    <style type="text/css">

    </style>

</head>

<body>

    <form id="form1" runat="server">

    <div>

        <asp:Image ID="IMG1" runat="server" ImageUrl="~/App_Themes/Image/0.jpg" />

        <asp:Image ID="IMG2" runat="server" />

        <asp:Image ID="IMG3" runat="server" />

        <asp:Image ID="IMG4" runat="server" />

        <br />

        

        <asp:Button ID="Btn_SuoFang" runat="server" Text="缩放" OnClick="Click_Btn_SuoFang" />

        <asp:Button ID="Btn_ZiCai" runat="server" Text="自定义缩放" OnClick="Click_Btn_ZiCai" />

        <asp:Button ID="Btn_ShuiYing" runat="server" Text="水印" OnClick="Click_Btn_ShuiYing" />

    </div>

    </form>

</body>

</html>

 

后台

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;



public partial class Make_Pictrue_Pictrue : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        if (!IsPostBack)

        {

            

        }

    }



    /// <summary>

    /// 缩放图片

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="e"></param>

    protected void Click_Btn_SuoFang(object sender, EventArgs e)

    {

        Make_pictrue img = new Make_pictrue();



        System.IO.FileStream fs = new System.IO.FileStream(Server.MapPath("~/App_Themes/Image/0.jpg"), System.IO.FileMode.Open);



        byte[] buffer = new byte[fs.Length];



        fs.Read(buffer, 0, buffer.Length);



        string dirpath = Server.MapPath("~/App_Themes/Image/1.jpg");



        img.CutForSquare(fs, dirpath, 100, 100);



        fs.Close();



        IMG3.ImageUrl = "~/App_Themes/Image/1.jpg";

    }





    /// <summary>

    /// 自定义截图缩放

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="e"></param>

    protected void Click_Btn_ZiCai(object sender, EventArgs e)

    {

        Make_pictrue img = new Make_pictrue();



        System.IO.FileStream fs = new System.IO.FileStream(Server.MapPath("~/App_Themes/Image/0.jpg"), System.IO.FileMode.Open);



        byte[] buffer = new byte[fs.Length];



        fs.Read(buffer, 0, buffer.Length);



        string dirpath = Server.MapPath("~/App_Themes/Image/2.jpg");



        img.CutForCustom(fs, dirpath, 300, 300, 100);



        fs.Close();



        IMG2.ImageUrl = "~/App_Themes/Image/2.jpg";

    }





    /// <summary>

    /// 水印

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="e"></param>

    protected void Click_Btn_ShuiYing(object sender, EventArgs e)

    {

        Make_pictrue img = new Make_pictrue();



        System.IO.FileStream fs = new System.IO.FileStream(Server.MapPath("~/App_Themes/Image/0.jpg"), System.IO.FileMode.Open);



        byte[] buffer = new byte[fs.Length];



        fs.Read(buffer, 0, buffer.Length);



        string dirpath = Server.MapPath("~/App_Themes/Image/3.jpg");



        string Shuipath = Server.MapPath("~/App_Themes/Image/shuiyin.jpg");



        img.ZoomAuto(fs, dirpath,150,150,"123",Shuipath);



        fs.Close();



        IMG4.ImageUrl = "~/App_Themes/Image/3.jpg";

    }



}

简单的处理一下图片算是一点小积累~

123

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