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Add Watermark to PPT Presentation using Java

Build your own Java apps to insert text or image watermark into PPT, PPTX, or ODP presentation using server-side APIs.

Add Watermark to PPT Presentation via Java

Using Aspose.Slides for Java, you can add watermark to PPT presentation. Watermarks are an essential part of any presentation. They are used to protect the content of the presentation from being copied or used without permission. A watermark is a visible or invisible image or text that is placed on top of the presentation. It can be used to identify the owner of the presentation and to prevent unauthorized use. Watermarks can also be used to add a professional touch to the presentation and to make it look more polished.

Add Text Watermark to PPT using Java


Presentation pres = new Presentation();
try {
    IMasterSlide master = pres.getMasters().get_Item(0);
    IAutoShape watermarkShape = master.getShapes().addAutoShape(ShapeType.Triangle, 0, 0, 0, 0);
    ITextFrame watermarkTextFrame = watermarkShape.addTextFrame("Watermark");

    pres.save("watermark.ppt", SaveFormat.Ppt);
} finally {
    if (pres != null) pres.dispose();
}

Add Image Watermark to PPT Presentation using Java


Presentation pres = new Presentation();
try {
    IPPImage image = pres.getImages().addImage(Files.readAllBytes(Paths.get("watermark.png")));

    IMasterSlide master = pres.getMasters().get_Item(0);

    IAutoShape watermarkShape = master.getShapes().addAutoShape(ShapeType.Triangle, 0, 0, 100, 100);

    watermarkShape.getFillFormat().setFillType(FillType.Picture);
    watermarkShape.getFillFormat().getPictureFillFormat().getPicture().setImage(image);
    watermarkShape.getFillFormat().getPictureFillFormat().setPictureFillMode(PictureFillMode.Stretch);

    pres.save("watermark2.ppt", SaveFormat.Ppt);
} finally {
    if (pres != null) pres.dispose();
}

How to Add Watermark to PPT via Java

These are the steps to add text watermark to PPT files.

  1. Load PPT with an instance of Presentation

  2. Select the master presentation

  3. Add shape type using AddAutoShape method

  4. Add watermark text using AddTextFrame method

  5. Save result in PPT format

Other Supported Formats

Using Java, You can also add Watermark to the following formats: