انداختن لوگوی سایت رو تصاویر به صورت اتوماتیک

دوستانی که از Ckeditor استفاده کردین و آپلود میکنین به این صورت handler رو تغییر بدین کپی رایت هم اضافه میشه رو عکس

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Imaging
Imports Image = System.Web.UI.WebControls.Image


Public Class Handler : Implements IHttpHandler

    Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest
        Dim uploads As HttpPostedFile = context.Request.Files("upload")
        Dim CKEditorFuncNum As String = context.Request("CKEditorFuncNum")
        Dim file As String = System.IO.Path.GetFileName(uploads.FileName)
        uploads.SaveAs(context.Server.MapPath("..\Guest_Upload\upload\") & file)
        
    
        Dim url As String = "../Guest_Upload/upload/" & "upload" & file
        context.Response.Write("<script>window.parent.CKEDITOR.tools.callFunction(" & CKEditorFuncNum & ", """ & "../Guest_Upload/upload/" & file & """);</script>")





        Dim jpg1 As String = context.Server.MapPath("../Guest_Upload/upload/" & file)
        Dim jpg2 As String = context.Server.MapPath("/images/copyright.png")
        Dim jpg3 As String = context.Server.MapPath("../Guest_Upload/upload/" & file)

        Dim img1 As System.Drawing.Image = System.Drawing.Image.FromFile(jpg1)
        Dim img2 As System.Drawing.Image = System.Drawing.Image.FromFile(jpg2)


        Dim width As Integer = img1.Width
        Dim height As Integer = img1.Height

        Dim img3 As New Bitmap(width, height)
        Dim g As Graphics = Graphics.FromImage(img3)

        g.Clear(Color.Transparent)
        g.DrawImage(img1, New Point(0, 0))
        g.DrawImage(img2, New Point(0, 0))

        g.Dispose()
        img1.Dispose()
        img2.Dispose()

        img3.Save(jpg3, ImageFormat.Jpeg)
        img3.Dispose()

        context.Response.[End]()