Adding watermark to razorpdf mvc

Question

Adding watermark to razorpdf mvc

I am using the following code to generate pdf in mvc using itext with razorpdf producer

@model myModel.Models.Examform
@{
    Layout = null;
}
<itext creationdate="@DateTime.Now.ToString()" producer="RazorPDF">
    Hello
</text>

This code works fine. I want to add a watermark to the generated pdf. I know how to add an image. I need a watermark that is displayed in the background.

+3

c # asp.net-mvc razor itextsharp razorpdf

Mary Phelps 09 Sep 14 at 16:24

source to share

3 answers

user1666620 · Answer 1 · 2014-09-09T16:32:25+0000

This is almost the same question

ItextSharp - RazorPdf put image to Pdf

so using the answer you should be working:

<image url="@Context.Server.MapPath("~/Images/sampleImage.png")" />

Edit: In order to overlay text on an image, you need to change your CSS and HTML.

How to place text over image in css

Add Watermark Effect With CSS?

http://www.the-art-of-web.com/css/textoverimage/

You may need to inline CSS.

ADH · Answer 2 · 2015-08-28T19:52:03+0000

Here's what I did. The code goes in the controller.

[HttpPost]
public FileStreamResult Certificate(MyModel model)
{
    Stream fileStream = GeneratePDF(model);
    HttpContext.Response.AddHeader("content-disposition", "inline; filename=Certificate.pdf");

    var fileStreamResult = new FileStreamResult(fileStream, "application/pdf");
    return fileStreamResult;
}

public Stream GeneratePDF(HomeViewModel model)
{ 
    var rect = new Rectangle(288f, 144f);
    var doc = new Document(rect, 0, 0, 0, 0);

    BaseFont bfArialNarrow = BaseFont.CreateFont(Server.MapPath("../Content/fonts/ARIALN.ttf"), BaseFont.CP1252, BaseFont.EMBEDDED);

    //Full Background Image (Includes watermark)
    Image fullBackground = null;
    fullBackground = Image.GetInstance(Server.MapPath("../Content/images/Certificate/Cert1.jpg"));

    doc.SetPageSize(PageSize.LETTER.Rotate());

    MemoryStream memoryStream = new MemoryStream();
    PdfWriter pdfWriter = PdfWriter.GetInstance(doc, memoryStream);
    doc.Open();

    //Full Background Image
    fullBackground.Alignment = Image.UNDERLYING | Image.ALIGN_CENTER | Image.ALIGN_MIDDLE;
    doc.Add(fullBackground);

    Font myFont = new Font(bfArialNarrow, 57);
    var myParagraph = new Paragraph("Some text here.", myFont);
    doc.Add(myParagraph);

    pdfWriter.CloseStream = false;
    doc.Close();

    memoryStream.Position = 0;

    return memoryStream;
}

flyfrog · Answer 3 · 2015-08-29T00:54:09+0000

I think this is not possible with markup.

If you look at the PdfView.cs in the RazorPDF source, it uses the XmlParser or HtmlParser in iTextsharpt to render the pdf.

https://github.com/RazorAnt/RazorPDF/blob/master/RazorPDF/PdfView.cs

Markup support in these two classes is limited. You can only do what they have implemented.

An alternative way is to use iTextsharp to generate pdf through code.

Adding watermark to razorpdf mvc

More articles: