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图片简单处理

作者：佚名      ASP.NET网站开发编辑：admin      更新时间：2022-07-23

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~

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