Example usage for org.apache.pdfbox.multipdf LayerUtility appendFormAsLayer

Introduction

In this page you can find the example usage for org.apache.pdfbox.multipdf LayerUtility appendFormAsLayer.

Prototype

public PDOptionalContentGroup appendFormAsLayer(PDPage targetPage, PDFormXObject form,
        AffineTransform transform, String layerName) throws IOException 

Source Link

Document

Places the given form over the existing content of the indicated page (like an overlay).

Usage

From source file:com.devnexus.ting.web.controller.PdfUtils.java

License:Apache License

public PdfUtils(float margin, String title) throws IOException {
    this.margin = margin;
    doc = new PDDocument();
    baseFont = PDType0Font.load(doc, PdfUtils.class.getResourceAsStream("/fonts/Arial.ttf"));
    headerFont = PDType1Font.HELVETICA_BOLD;
    subHeaderFont = PDType1Font.HELVETICA_BOLD;
    devnexusLogo = PDDocument.load(PdfUtils.class.getResourceAsStream("/fonts/devnexus-logo.pdf"));

    this.currentPage = new PDPage();
    this.pages.add(currentPage);
    this.doc.addPage(currentPage);

    final PDRectangle mediabox = currentPage.getMediaBox();
    this.width = mediabox.getWidth() - 2 * margin;

    float startX = mediabox.getLowerLeftX() + margin;
    float startY = mediabox.getUpperRightY() - margin;

    this.initialHeightCounter = startY;
    this.heightCounter = startY;

    LOGGER.info(String.format(//from  w w w . j  a v a2 s  .co  m
            "Margin: %s, width: %s, startX: %s, "
                    + "startY: %s, heightCounter: %s, baseFontSize: %s, headerFontSize: %s",
            margin, width, startX, startY, heightCounter, baseFont, headerFont));

    contents = new PDPageContentStream(doc, currentPage);

    // Add Logo

    final LayerUtility layerUtility = new LayerUtility(doc);
    final PDFormXObject logo = layerUtility.importPageAsForm(devnexusLogo, 0);
    final AffineTransform affineTransform = AffineTransform.getTranslateInstance(100, startY - 50);
    affineTransform.scale(2d, 2d);
    layerUtility.appendFormAsLayer(currentPage, logo, affineTransform, "devnexus-logo");
    this.heightCounter -= 100;

    this.contents.beginText();

    this.contents.setFont(headerFont, headerFontSize);
    this.currentLeading = this.lineSpacing * baseFontSize;
    this.contents.setLeading(this.currentLeading);

    contents.newLineAtOffset(50, heightCounter);

    println(title);

    this.contents.setFont(baseFont, baseFontSize);
    this.currentLeading = this.lineSpacing * baseFontSize;
    this.contents.setLeading(this.currentLeading);

    println();

}

---