Example usage for com.lowagie.text.pdf PdfWriter setXmpMetadata

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfWriter setXmpMetadata.

Prototype

public void setXmpMetadata(byte[] xmpMetadata) 

Source Link

Document

Use this method to set the XMP Metadata.

Usage

From source file:de.unigoettingen.sub.commons.contentlib.pdflib.PDFManager.java

License:Apache License

/**
 * Write xmp metadata./*from   ww w .jav  a2 s  .c o  m*/
 * 
 * @param inWriter the in writer
 */
private void writeXMPMetadata(PdfWriter inWriter) {
    ByteArrayOutputStream os = new ByteArrayOutputStream();

    try {
        XmpWriter xmp = new XmpWriter(os);
        XmpSchema dc = new DublinCoreSchema();

        // set DublinCore metadata
        if (this.subject != null) {
            dc.setProperty(DublinCoreSchema.SUBJECT, this.subject);
        }
        if (this.title != null) {
            dc.setProperty(DublinCoreSchema.TITLE, this.title);
        }
        if (this.author != null) {
            dc.setProperty(DublinCoreSchema.CREATOR, this.author);
        }

        // add the DublinCore Simple Metadata to the RDF container

        xmp.addRdfDescription(dc);

        PdfSchema pdf = new PdfSchema();
        // set keywords
        pdf.setProperty(PdfSchema.KEYWORDS, "Hello World, XMP, Metadata");

        // set the version; must be 1.4 for PDF/A
        pdf.setProperty(PdfSchema.VERSION, "1.4");
        xmp.addRdfDescription(pdf);

        xmp.close();
    } catch (IOException e) {
        LOGGER.error("error occured while writing xmp metadata", e);
    }
    inWriter.setXmpMetadata(os.toByteArray());
}

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From source file:org.alchemy.core.AlcSession.java

License:Open Source License

/** Save the canvas to a single paged PDF file
 * /*from ww w  . j  a  va 2s  .  c o  m*/
 * @param file  The file object to save the pdf to
 * @return      True if save worked, otherwise false
 */
boolean saveSinglePdf(File file) {
    // Get the current 'real' size of the canvas without margins/borders
    java.awt.Rectangle bounds = Alchemy.canvas.getVisibleRect();
    //int singlePdfWidth = Alchemy.window.getWindowSize().width;
    //int singlePdfHeight = Alchemy.window.getWindowSize().height;
    com.lowagie.text.Document document = new com.lowagie.text.Document(
            new com.lowagie.text.Rectangle(bounds.width, bounds.height), 0, 0, 0, 0);
    System.out.println("Save Single Pdf Called: " + file.toString());
    boolean noError = true;

    try {

        PdfWriter singleWriter = PdfWriter.getInstance(document, new FileOutputStream(file));
        document.addTitle("Alchemy Session");
        document.addAuthor(USER_NAME);
        document.addCreator("Alchemy <http://al.chemy.org>");

        // Add metadata and open the document
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        XmpWriter xmp = new XmpWriter(os);
        PdfSchema pdf = new PdfSchema();
        pdf.setProperty(PdfSchema.KEYWORDS, "Alchemy <http://al.chemy.org>");
        //pdf.setProperty(PdfSchema.VERSION, "1.4");
        xmp.addRdfDescription(pdf);
        xmp.close();
        singleWriter.setXmpMetadata(os.toByteArray());

        // To avoid transparent colurs being converted from RGB>CMYK>RGB
        // We have to add everything to a transparency group
        PdfTransparencyGroup transGroup = new PdfTransparencyGroup();
        transGroup.put(PdfName.CS, PdfName.DEVICERGB);

        document.open();

        PdfContentByte cb = singleWriter.getDirectContent();
        PdfTemplate tp = cb.createTemplate(bounds.width, bounds.height);

        document.newPage();

        cb.getPdfWriter().setGroup(transGroup);
        // Make sure the color space is Device RGB
        cb.setDefaultColorspace(PdfName.CS, PdfName.DEVICERGB);

        // Draw into the template and add it to the PDF 
        Graphics2D g2pdf = tp.createGraphics(bounds.width, bounds.height);
        Alchemy.canvas.setGuide(false);
        Alchemy.canvas.vectorCanvas.paintComponent(g2pdf);
        Alchemy.canvas.setGuide(true);
        g2pdf.dispose();
        cb.addTemplate(tp, 0, 0);

    } catch (DocumentException ex) {
        System.err.println(ex);
        noError = false;
    } catch (IOException ex) {
        System.err.println(ex);
        noError = false;
    }

    document.close();

    return noError;
}

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