Draw System.Drawing.Graphics Object into a pdf

["Paulo Soares" <psoares (at) consiste.pt>]

It's not possible to draw a System.Drawing.Graphics in itextsharp. You have 
examples in the iText tutorial about drawing with a PdfContentByte.

Paulo

----- Original Message ----- 
From: "Oliver Lange" <lange (at) halbach.com>
To: <itext-questions (at) lists.sourceforge.net>
Sent: Wednesday, August 16, 2006 7:43 AM
Subject: [iText-questions] Draw System.Drawing.Graphics Object into a pdf


> Dear iTexter,
>
> I've got, so i hope, a small problem regarding the drawing of
> a normal .NET Graphics object onto a pdf page. The error message
> i get is "System.Drawing.Graphics can not be convert to 
> iTextSharp.Text.Ielement"
>
> I've got an array of points (Start and Endpoints of lines) which i want to 
> get draw onto a pdf page.
> My idea is to create a graphics object und use the drawlines method for 
> it.
>
> Here is my code
>
>
> // Reading an existing pdf as "drawing background"
>  PdfReader reader = new PdfReader("C:\\base.pdf");
>  int n = reader.NumberOfPages;
>
>  Graphics grf = null;
>  pen0.Alignment = PenAlignment.Center;
>  grf.SmoothingMode = SmoothingMode.AntiAlias;
>
>  Document document = new Document();
>
>  PdfWriter writer = PdfWriter.GetInstance(document, new 
> FileStream("C:\\drawingresult.pdf",FileMode.Create));
>  document.Open();
>  PdfContentByte cb = writer.DirectContent;
>
> // loop for adding any page of the base pdf into the new pdf
>  for (int x=1; x<=n;x++){
>  try{
>   document.NewPage();
>   PdfImportedPage page = writer.GetImportedPage(reader,x);
>   cb.AddTemplate(page,0,0);
>
>   int scalefactorx = (int)page.Width/700;
>   pen0.Width=scalefactorx;
>   grf.DrawLines(pen0,pointarray);
>   document.Add(grf); //<- here comes the error ???????
>   }catch(Exception ex){
>            MessageBox.Show(ex.Message.ToString());
>   }
>  }
>
>
> Is there anyone out there who can give me a hint? Is it possible to draw a 
> System.Drawing.Graphics Object
> onto a pdf? Is there another way to draw lines onto a pdf?
>
> Hope for help and so far
>
> may the force be with you
>
> Oliver
>


--------------------------------------------------------------------------------


> -------------------------------------------------------------------------
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-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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