Visual Basic

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 Public Sub waterMark()<br />
        Dim imageURL As String<br />
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        'Set the thumbnail width in px – the width will be calculated later to keep the original ratio.<br />
        Dim imageHeight As Integer<br />
        Dim imageWidth As Integer<br />
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        Dim logoX, logoY As Integer<br />
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        'Original image<br />
        imageURL = Server.MapPath("watermark_images/originalImg.jpg")<br />
        Dim fullSizeImg As System.Drawing.Image<br />
        fullSizeImg = System.Drawing.Image.FromFile(imageURL)<br />
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        'For Logo with which we watermark image<br />
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        Dim logoImg As System.Drawing.Image<br />
        imageURL = Server.MapPath("watermark_images/logo.png")<br />
        logoImg = System.Drawing.Image.FromFile(imageURL)<br />
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        imageHeight = fullSizeImg.Height<br />
        imageWidth = fullSizeImg.Width<br />
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        Response.ContentType = "image/jpeg"<br />
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        If imageHeight > 0 And imageWidth > 0 Then<br />
            Dim dummyCallBack As System.Drawing.Image.GetThumbnailImageAbort<br />
            dummyCallBack = New _<br />
               System.Drawing.Image.GetThumbnailImageAbort(AddressOf ThumbnailCallback)<br />
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            'Creating the Thumbnail image of same size<br />
            thumbNailImg = fullSizeImg.GetThumbnailImage(imageWidth, imageHeight, _<br />
                                                         dummyCallBack, IntPtr.Zero)<br />
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            'Declaring and initializing the Graphics image<br />
            'With this image we wil draw image and watermark it<br />
            Dim g As System.Drawing.Graphics = System.Drawing.Graphics.FromImage(thumbNailImg)<br />
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            'Sets the interpolation mode for a high quality image<br />
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            g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic<br />
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            'Drawing the original image<br />
            g.DrawImage(fullSizeImg, 0, 0, imageWidth, imageHeight)<br />
            'Drawing the logo on it<br />
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            logoX = imageWidth * 0.02<br />
            logoY = imageHeight * 0.92<br />
            imageHeight = logoImg.Height<br />
            imageWidth = logoImg.Width<br />
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            g.DrawImage(logoImg, logoX, logoY, imageWidth, imageHeight)<br />
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            g.SmoothingMode = SmoothingMode.HighQuality<br />
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            thumbNailImg.Save(Server.MapPath("watermark_images/watermarkedImg.jpg"))<br />
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        Else<br />
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        End If<br />
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