Example usage for com.itextpdf.text.pdf.qrcode ByteMatrix getWidth

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf.qrcode ByteMatrix getWidth.

Prototype

public int getWidth() 

Source Link

Usage

From source file:com.mui.certificate.core.HalalCertification.java

License:Apache License

private BufferedImage convertToImage(ByteMatrix matrix, int scale) {
    BufferedImage buffImage = new BufferedImage(matrix.getHeight() * scale, matrix.getWidth() * scale,
            BufferedImage.TYPE_INT_ARGB);

    for (int i = 0; i < matrix.getHeight(); ++i) {
        for (int j = 0; j < matrix.getWidth(); ++j) {
            for (int iscale = 0; iscale < scale; ++iscale) {
                for (int jscale = 0; jscale < scale; ++jscale) {
                    buffImage.setRGB(j * scale + jscale, i * scale + iscale,
                            matrix.get(j, i) == 0 ? WHITE : BLACK);
                }/*from   w  w  w .  j  ava 2  s .c  o  m*/
            }
        }
    }

    return buffImage;
}

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From source file:com.mui.certificate.core.HalalCertification.java

License:Apache License

@Override
public void exportCertificate(Certificate cert, File outputPdf) throws Exception {
    ByteMatrix matrix = generateQRCode(cert.getCertificateURL().toString());
    int scale = sMagicNumber / matrix.getWidth();
    BufferedImage buffImage = convertToImage(matrix, scale);
    File tempOutput = new File("tmp-qrcode.png");
    ImageIO.write(buffImage, "png", tempOutput);
    Image itImage = Image.getInstance(tempOutput.getCanonicalPath());
    PdfReader reader = new PdfReader("doc/template_certificate_halal.pdf");
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(outputPdf));
    int centerY = 715;
    int centerX = 135;
    itImage.setAbsolutePosition(centerX - (itImage.getWidth() / 2), centerY - (itImage.getHeight() / 2));
    stamper.getOverContent(1).addImage(itImage);
    AcroFields form1 = stamper.getAcroFields();
    String nameHeader = "topmostSubform[0].Page1[0].";
    form1.setField(nameHeader + "no_certificate[0]", cert.getCertificateNumber().toString());
    form1.setField(nameHeader + "name_product[0]", cert.getProductName());
    form1.setField(nameHeader + "type_product[0]", cert.getProductType());
    form1.setField(nameHeader + "name_company[0]", cert.getCompanyName());
    form1.setField(nameHeader + "company_address[0]", cert.getCompanyAddress());
    Calendar cal = Calendar.getInstance(new Locale("id"));
    Locale idLocale = new Locale("id");
    cal.setTime(cert.getIssuedDate());//from  w  ww.  j av a2  s  .c o m
    form1.setField(nameHeader + "issued_date[0]", String.format(idLocale, "%1$tA, %1$te %1$tB %1$tY", cal));
    cal.setTime(cert.getValidDate());
    form1.setField(nameHeader + "expired_date[0]", String.format(idLocale, "%1$tA, %1$te %1$tB %1$tY", cal));
    stamper.setFormFlattening(true);
    stamper.close();
    tempOutput.delete();
}

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From source file:com.mui.halal.experiment.MatrixToImageWriter.java

License:Apache License

/**
 * Renders a {@link ByteMatrix} as an image, as a
 * {@link BufferedImage}. The byte values are construed as (unsigned)
 * luminance values, in theory./*from   w w w  .  j  a  v  a2  s.c o m*/
 * However, anything but 0 will be rendered as white, and 0 will be
 * rendered as black.
 */
public static BufferedImage toBufferedImage(ByteMatrix matrix) {
    int width = matrix.getWidth();
    int height = matrix.getHeight();
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    for (int x = 0; x < width; x++) {
        for (int y = 0; y < height; y++) {
            image.setRGB(x, y, matrix.get(x, y) == 0 ? WHITE : BLACK);
        }
    }
    return image;
}

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