Re: Chunk.GetWidthPoint() returns wrong width

I forgot to note that I'm using iTextSharp v5.5.2.

Sample file:
<http://itext-general.2136553.n4.nabble.com/file/n4660296/sample.png> 

The file can be downloaded here:
https://mega.co.nz/#!rlBzXDoS!ZQ1F6Z0IVxgeNXrnX8a3cVAyJ1Xk4aPGYH3tuvIV8fI

The code:

           
FontFactory.RegisterDirectory(Environment.GetFolderPath(Environment.SpecialFolder.Fonts));
            iTextSharp.text.Font font = FontFactory.GetFont("Tahoma",
BaseFont.IDENTITY_H, 15f, iTextSharp.text.Font.NORMAL, new BaseColor(0, 0,
0));
            using (Document doc = new Document(PageSize.A4))
            {
                PdfWriter writer = PdfWriter.GetInstance(doc, new
FileStream("sample.pdf", FileMode.Create));
                doc.Open();
                doc.SetMargins(52f, 52f, 52f, 52f);
                PdfContentByte content = writer.DirectContent;
                ColumnText colt = new ColumnText(content);

                float y = 50;
                colt.SetSimpleColumn(doc.Left, doc.Bottom, doc.Right,
doc.Top - y);
                colt.AddElement(new Paragraph("English text, standard
spacing"));
                Chunk ch = new Chunk("My sample text line", font);
                float chunkWidth = ch.GetWidthPoint();
                content.SaveState();
                content.Rectangle(doc.Left, doc.Top - y - 45, chunkWidth,
20);
                content.SetColorFill(BaseColor.LIGHT_GRAY);
                content.Fill();
                content.RestoreState();
                colt.AddElement(ch);
                colt.Go();

                y = 100;
                colt.SetSimpleColumn(doc.Left, doc.Bottom, doc.Right,
doc.Top - y);
                colt.AddElement(new Paragraph("English text, spacing 1"));
                colt.Go();
                content.SetCharacterSpacing(1);
                ch = new Chunk("My sample text line", font);
                chunkWidth = ch.GetWidthPoint();
                content.SaveState();
                content.Rectangle(doc.Left, doc.Top - y - 45, chunkWidth,
20);
                content.SetColorFill(BaseColor.LIGHT_GRAY);
                content.Fill();
                content.RestoreState();
                colt.AddElement(ch);
                colt.Go();

                y = 150;
                content.SetCharacterSpacing(0);
                colt.SetSimpleColumn(doc.Left, doc.Bottom, doc.Right,
doc.Top - y);
                colt.AddElement(new Paragraph("Arabic text, standard
spacing"));
                colt.RunDirection = PdfWriter.RUN_DIRECTION_RTL;
                ch = new Chunk("بلدي عينة خط النص", font);
                chunkWidth = ch.GetWidthPoint();
                content.SaveState();
                content.Rectangle(doc.Left, doc.Top - y - 45, chunkWidth,
20);
                content.SetColorFill(BaseColor.LIGHT_GRAY);
                content.Fill();
                content.RestoreState();
                colt.AddElement(ch);
                colt.Go();

                doc.Close();
            }



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