convert tif to pdf

santhosh Vojjala — Thu, 02 Jul 2009 07:28:25 GMT

Hi all

i have one requirement argent ,i.e i am converting multiple tif files to pdf files in C# web applications,now iam using the following code,with this code converting successfully,but converted pdf file takes more size compare with tif file size,but i want less size pdf file than tif file,any one knows solution for this please help me

the using code is

iTextSharp.text.Document document = new iTextSharp.text.Document(PageSize.A4, 50, 50, 50, 50);
        PdfWriter writer = PdfWriter.GetInstance(document, new
        System.IO.FileStream(pdfFileName, System.IO.FileMode.Create, System.IO.FileAccess.Write));
        System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(tiffFileName);
        numberOfPages = bitmap.GetFrameCount(System.Drawing.Imaging.FrameDimension.Page);
        document.Open();
        PdfContentByte cb = writer.DirectContent;
        for (int page = 0; page < numberOfPages; page++)
        {
            bitmap.SelectActiveFrame(System.Drawing.Imaging.FrameDimension.Page, page);
            System.IO.MemoryStream stream = new System.IO.MemoryStream();
            bitmap.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
            iTextSharp.text.Image img =
            iTextSharp.text.Image.GetInstance(stream.ToArray());
            stream.Close();
            img.ScalePercent(72f / bitmap.HorizontalResolution * 100);
            img.SetAbsolutePosition(0, 0);
            cb.AddImage(img);
            document.NewPage();
        }
        document.Close();

thanks

System.Drawing/GDI+

convert tif to pdf