Add Watermark

Aspose.Words - Add Watermark

private static void insertWatermarkText(Document doc, String watermarkText) throws Exception
{
    // Create a watermark shape. This will be a WordArt shape.
    // You are free to try other shape types as watermarks.
    Shape watermark = new Shape(doc, ShapeType.TEXT_PLAIN_TEXT);

    // Set up the text of the watermark.
    watermark.getTextPath().setText(watermarkText);
    watermark.getTextPath().setFontFamily("Arial");
    watermark.setWidth(500);
    watermark.setHeight(100);
    // Text will be directed from the bottom-left to the top-right corner.
    watermark.setRotation(-40);
    // Remove the following two lines if you need a solid black text.
    watermark.getFill().setColor(Color.GRAY); // Try LightGray to get more Word-style watermark
    watermark.setStrokeColor(Color.GRAY); // Try LightGray to get more Word-style watermark

    // Place the watermark in the page center.
    watermark.setRelativeHorizontalPosition(RelativeHorizontalPosition.PAGE);
    watermark.setRelativeVerticalPosition(RelativeVerticalPosition.PAGE);
    watermark.setWrapType(WrapType.NONE);
    watermark.setVerticalAlignment(VerticalAlignment.CENTER);
    watermark.setHorizontalAlignment(HorizontalAlignment.CENTER);

    // Create a new paragraph and append the watermark to this paragraph.
    Paragraph watermarkPara = new Paragraph(doc);
    watermarkPara.appendChild(watermark);

    // Insert the watermark into all headers of each document section.
    for (Section sect : doc.getSections())
    {
        // There could be up to three different headers in each section, since we want
        // the watermark to appear on all pages, insert into all headers.
        insertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HEADER_PRIMARY);
//            insertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HEADER_FIRST);
//            insertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HEADER_EVEN);
    }
}

private static void insertWatermarkIntoHeader(Paragraph watermarkPara, Section sect, int headerType) throws Exception
{
    HeaderFooter header = sect.getHeadersFooters().getByHeaderFooterType(headerType);

    if (header == null)
    {
        // There is no header of the specified type in the current section, create it.
        header = new HeaderFooter(sect.getDocument(), headerType);
        sect.getHeadersFooters().add(header);
    }

    // Insert a clone of the watermark into the header.
    header.appendChild(watermarkPara.deepClone(true));
}

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