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Clone wikiAspose for Apache POI / Add-Watermark
Aspose.Words
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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