Java 类com.itextpdf.text.pdf.BarcodeEAN 实例源码

private void addMetaData(String barcode, DLIDownloader adminData, Document document, PdfWriter pdfWriter, Rectangle pageSize) throws DocumentException {
    document.addTitle(adminData.getAttr(AppConstants.Title));
    document.addAuthor(adminData.getAttr(AppConstants.Author));
    document.addLanguage(adminData.getAttr(AppConstants.Language));
    document.addSubject(adminData.getAttr(AppConstants.Subject));
    document.addCreator("DLI-Downloader Tool");
    document.addHeader("Barcode", adminData.getAttr(AppConstants.BARCODE));
    document.addCreationDate();
    document.setPageSize(pageSize);
    document.setMargins(1, 1, 1, 1);
    PdfContentByte cb = pdfWriter.getDirectContent();
    document.add(new Paragraph("Barcode - " + barcode + "\nTitle - " + adminData.getAttr(AppConstants.Title) + "\nSubject - " +
            adminData.getAttr(AppConstants.Subject) + "\nAuthor - " + adminData.getAttr(AppConstants.Author) + "\nLanguage - " +
            adminData.getAttr(AppConstants.Language) + "\nPages - " + adminData.getAttr(AppConstants.TotalPages) +
            "\nPublication Year - " + adminData.getAttr(AppConstants.Year) + "\nCreator - Fast DLI Downloader" +
            "\nhttps://github.com/cancerian0684/dli-downloader" + "\nBarcode EAN.UCC-13 \n"));
    BarcodeEAN codeEAN = new BarcodeEAN();
    codeEAN.setCode(barcode);
    document.add(codeEAN.createImageWithBarcode(cb, null, null));
    codeEAN.setGuardBars(true);
    document.newPage();
}

public void onRender( PdfContentByte cb ) throws PdfRenderException{

    float[] positions = new BlockFactory().getBoundsInPs(this);

    BarcodeEAN barcode = new BarcodeEAN();
    barcode.setCodeType( BarCodeType.getBarCodeType(barCodeType).codeType );
    barcode.setCode( getCode() );
    barcode.setSize( getFontSize() );
    barcode.setGuardBars(isShowGuardBars());
    barcode.setBarHeight( positions[3] );
    barcode.setTextAlignment(Element.ALIGN_RIGHT);
    if( getBaseFont() != null ){
        barcode.setFont(getBaseFont());
    }

    if( align.equals( "top" )){
        barcode.setBaseline( -1f );
    }

    PdfDocument request = getPage().getPdfDocument();
    float pageHeight = request.getSize()[1];
    float pageHeightInPs = SizeFactory.millimetersToPostscriptPoints(pageHeight);

    com.itextpdf.text.Image image  = barcode.createImageWithBarcode(cb, getBarBaseColor(), getCodeBaseColor());
    image.setRotationDegrees( rotation );
    image.setAbsolutePosition( positions[0] ,  pageHeightInPs - ( positions[1] + positions[3] + fontSize ) );
    try {
        cb.addImage( image );
    } catch (DocumentException e) {
        throw new PdfRenderException(e);
    }
}

/**
 * The Config method to creating the desired UPC-A
 * @param cb - PdfContentByte
 * @param upc - A 12 digit String representation of the UPC
 * @return An Image of the UPC
 */
private static Image generateUPC(PdfContentByte cb, String upc){
    BarcodeEAN codeEAN = new BarcodeEAN();
    codeEAN.setCodeType(Barcode.UPCA);
    codeEAN.setCode(upc);
    codeEAN.setSize(7);
    codeEAN.setBaseline(6f);
    codeEAN.setBarHeight(20f);
    codeEAN.setX(.7f);

    return codeEAN.createImageWithBarcode(cb, null, null);
}