drawing.aspx.cs

ASP.NET多线程编程(二),ASP.NET多线程编程(二) .

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Drawing;
using System.IO;

public partial class FCKeditor_Drawing : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            if (string.IsNullOrEmpty(Request.QueryString["txtUrl"]))
            { 
                Response.Write("没有提供要调整的图片");
                Response.End();
            }

            if ((string.IsNullOrEmpty(Request.QueryString["width"])) || (string.IsNullOrEmpty(Request.QueryString["height"])))
            {
                Response.Write("没有提供宽度和高度");
                Response.End();
            }

            this.tbWidth.Text = Request.QueryString["width"];
            this.tbHeight.Text = Request.QueryString["height"];
        }
    }

    protected void btnDrawing_Click(object sender, EventArgs e)
    {
        string drawNewName;
        drawNewName = rename(Request.QueryString["txtUrl"]);
        Zeroone.Utilities.Watermark _Watermark = new Zeroone.Utilities.Watermark();
        _Watermark.Top = int.Parse(tbTop.Text);
        _Watermark.Left = int.Parse(tbLeft.Text);
        _Watermark.Height = int.Parse(tbHeight.Text);
        _Watermark.Width = int.Parse(tbWidth.Text);
        _Watermark.Red = int.Parse(tbRed.Text);
        _Watermark.Blue = int.Parse(tbBlue.Text); ;
        _Watermark.Green = int.Parse(tbGreen.Text); ;
        _Watermark.ResultImage = Server.MapPath(drawNewName); //注意要有写的权限 
        _Watermark.Shadow = cbShadow.Checked;
        _Watermark.Text = this.tbText.Text;
        _Watermark.Alpha = int.Parse(tbAlpha.Text);
        _Watermark.BackgroundImage = Server.MapPath(Request.QueryString["txtUrl"]); ;
        _Watermark.FontFamily = ddlFontFamily.SelectedValue;
        _Watermark.FontSize = int.Parse(ddlFontSize.SelectedValue);
        _Watermark.FontStyle = (FontStyle)Enum.Parse(typeof(FontStyle), ddFontStyle.SelectedValue);

        //调整
        _Watermark.Create();

        //返回
        Response.Clear();
        Response.Write("<script type=\"text/javascript\">");
        Response.Write("window.top.opener.SetUrl( \" " + drawNewName + "\" );");
        Response.Write("window.top.close();");
        Response.Write("window.top.opener.focus();");
        Response.Write("</script>");

        Response.End();
    }
    protected void btnCancel_Click(object sender, EventArgs e)
    {
        Response.Write("<script type=\"text/javascript\">");
        Response.Write("window.top.close();");
        Response.Write("window.top.opener.focus();");
        Response.Write("</script>");
    }

    string rename(string filename)
    {
        string extension = System.IO.Path.GetExtension(filename);
        filename = filename.Substring(0, filename.LastIndexOf("/") + 1);
        string newFileName = filename + Guid.NewGuid().ToString() + extension;
        return newFileName;
    }
}