Example usage for com.itextpdf.text.pdf PdfContentByte concatCTM

Introduction

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

Prototype

public void concatCTM(final double a, final double b, final double c, final double d, final double e,
        final double f) 

Source Link

Document

Concatenate a matrix to the current transformation matrix.

Usage

From source file:org.saiku.web.export.PdfReport.java

License:Apache License

public byte[] pdf(QueryResult qr, String svg) throws Exception {

    int resultWidth = qr != null && qr.getCellset() != null && qr.getCellset().size() > 0
            ? qr.getCellset().get(0).length
            : 0;/* w w  w  .  ja  v a 2 s.  c o m*/
    if (resultWidth == 0) {
        throw new SaikuServiceException("Cannot convert empty result to PDF");
    }
    Rectangle size = PageSize.A4.rotate();
    if (resultWidth > 8) {
        size = PageSize.A3.rotate();
    }
    if (resultWidth > 16) {
        size = PageSize.A2.rotate();
    }
    if (resultWidth > 32) {
        size = PageSize.A1.rotate();
    }
    if (resultWidth > 64) {
        size = PageSize.A0.rotate();
    }

    Document document = new Document(size, 15, 15, 10, 10);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PdfWriter writer = PdfWriter.getInstance(document, baos);
    document.open();
    populatePdf(document, writer, qr);

    // do we want to add a svg image?
    if (StringUtils.isNotBlank(svg)) {
        document.newPage();
        StringBuffer s1 = new StringBuffer(svg);
        if (!svg.startsWith("<svg xmlns=\"http://www.w3.org/2000/svg\" ")) {
            s1.insert(s1.indexOf("<svg") + 4, " xmlns='http://www.w3.org/2000/svg'");
        }

        String t = "<?xml version='1.0' encoding='ISO-8859-1'" + " standalone='no'?>" + s1.toString();
        PdfContentByte cb = writer.getDirectContent();
        cb.saveState();
        cb.concatCTM(1.0f, 0, 0, 1.0f, 36, 0);
        float width = document.getPageSize().getWidth() - 20;
        float height = document.getPageSize().getHeight() - 20;
        Graphics2D g2 = cb.createGraphics(width, height);
        //g2.rotate(Math.toRadians(-90), 100, 100);
        PrintTranscoder prm = new PrintTranscoder();
        TranscoderInput ti = new TranscoderInput(new StringReader(t));
        prm.transcode(ti, null);
        PageFormat pg = new PageFormat();
        Paper pp = new Paper();
        pp.setSize(width, height);
        pp.setImageableArea(5, 5, width, height);
        pg.setPaper(pp);
        prm.print(g2, pg, 0);
        g2.dispose();
        cb.restoreState();
    }

    document.close();
    return baos.toByteArray();
}

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