Example usage for com.itextpdf.text.pdf PdfStream PdfStream

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfStream PdfStream.

Prototype

public PdfStream(byte[] bytes) 

Source Link

Document

Constructs a PdfStream-object.

Usage

From source file:be.roots.taconic.pricingguide.util.iTextUtil.java

License:Open Source License

public static byte[] embedFont(byte[] pdf, String fontFileName, String fontName)
        throws IOException, DocumentException {

    try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
        // the font file
        RandomAccessFile raf = new RandomAccessFile(fontFileName, "r");
        byte fontfile[] = new byte[(int) raf.length()];
        raf.readFully(fontfile);//from w ww  .j  a  v  a 2 s  .c  o  m
        raf.close();
        // create a new stream for the font file
        PdfStream stream = new PdfStream(fontfile);
        stream.flateCompress();
        stream.put(PdfName.LENGTH1, new PdfNumber(fontfile.length));
        // create a reader object
        PdfReader reader = new PdfReader(pdf);
        int n = reader.getXrefSize();
        PdfObject object;
        PdfDictionary font;
        PdfStamper stamper = new PdfStamper(reader, baos);
        PdfName fontname = new PdfName(fontName);
        for (int i = 0; i < n; i++) {
            object = reader.getPdfObject(i);
            if (object == null || !object.isDictionary())
                continue;
            font = (PdfDictionary) object;
            if (PdfName.FONTDESCRIPTOR.equals(font.get(PdfName.TYPE1))
                    && fontname.equals(font.get(PdfName.FONTNAME))) {
                PdfIndirectObject objref = stamper.getWriter().addToBody(stream);
                font.put(PdfName.FONTFILE2, objref.getIndirectReference());
            }
        }
        stamper.close();
        reader.close();
        return baos.toByteArray();
    }
}

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