/*
 * This class is part of the book "iText in Action - 2nd Edition"
 * written by Bruno Lowagie (ISBN: 9781935182610)
 * For more info, go to: http://itextpdf.com/examples/
 * This example only works with the AGPL version of iText.
 */
package part4.chapter16;

import java.io.FileOutputStream;
import java.io.IOException;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Image;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfImage;
import com.itextpdf.text.pdf.PdfIndirectObject;
import com.itextpdf.text.pdf.PdfName;
import com.itextpdf.text.pdf.PdfWriter;

public class SpecialId {

    /** The resulting PDF file. */
    public static String RESULT = "results/part4/chapter16/special_id.pdf";
    /** An image file. */
    public static String RESOURCE = "resources/img/bruno.jpg";

    /**
     * Creates a PDF document.
     * @param filename the path to the new PDF document
     * @throws    DocumentException 
     * @throws    IOException
     */
    public void createPdf(String filename) throws IOException, DocumentException {
        Document document = new Document(new Rectangle(400, 300));
        PdfWriter writer = PdfWriter.getInstance(document,
                new FileOutputStream(filename));
        document.open();
        Image img = Image.getInstance(RESOURCE);
        img.scaleAbsolute(400, 300);
        img.setAbsolutePosition(0, 0);
        PdfImage stream = new PdfImage(img, "", null);
        stream.put(new PdfName("ITXT_SpecialId"), new PdfName("123456789"));
        PdfIndirectObject ref = writer.addToBody(stream);
        img.setDirectReference(ref.getIndirectReference());
        document.add(img);
        document.close();
    }

    /**
     * Main method.
     *
     * @param    args    no arguments needed
     * @throws DocumentException 
     * @throws IOException
     */
    public static void main(String[] args) throws IOException, DocumentException {
        new SpecialId().createPdf(RESULT);
    }
}