GroupDocs.Watermark for Java

Java-Based Watermarking for Excel

Implement watermarks in XLS files using Java to enhance document security for Excel and OpenOffice sheets, perfect for financial and confidential data.

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Advanced Techniques: Adding Watermarks to Xls Documents via Java

Exploring Advanced Watermarking Techniques for Xls Documents with GroupDocs.Watermark for Java

Kickstart your watermarking process by initializing the Watermarker class. This foundational step sets the stage for enhancing Xls documents with watermarks. Provide the Xls file to the constructor, either as a path or a stream object.
Progress to the next level by crafting Watermark objects tailored to your specifications. These versatile entities offer precise placement not only on designated document pages but also within native elements like attachments or headers.
Refine your watermarking process by fine-tuning properties such as dimensions, alignment, font styles, and colors. This level of customization empowers you to create watermarks that perfectly complement your document aesthetics.
Utilize the Watermarker method to apply the newly created watermarks onto your documents. Enjoy the flexibility of adding multiple watermarks as per your requirements. To preserve documents, consider saving them in a secure location.

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// Add image watermark to XLS

// Pass file to be watermarked to Watermarker
Watermarker watermarker = new Watermarker("input.xls");

// Provide path to image with watermark
ImageWatermark watermark = new ImageWatermark("watermark.png");

// Save result
watermarker.add(watermark);
watermarker.save("output.xls");

<dependencies>
<dependency>
<groupId>com.groupdocs</groupId>
<artifactId>groupdocs-watermark</artifactId>
<version>24.8</version>
</dependency>
</dependencies>
<repositories>
<repository>
<id>repository.groupdocs.com</id>
<name>GroupDocs Repository</name>
<url>https://repository.groupdocs.com/repo/</url>
</repository>
</repositories>

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Mastering Document Watermarks

Elevate your document management with our sophisticated watermarking API, tailored for .NET developers. This tool offers comprehensive solutions for applying, customizing, and managing watermarks across a wide range of document formats, ensuring both aesthetic appeal and enhanced security.

Flexible Watermark Rotation

Adapt your watermarks to fit any document orientation with our flexible rotation settings. Whether your document is portrait or landscape, easily adjust the watermark angle to maintain a consistent appearance that complements the document layout.

Perfect Transparency Control

Control the transparency of your watermarks with precision, allowing for subtle yet secure markings that do not overwhelm the document’s content. This feature is ideal for maintaining the original aesthetic of your documents while adding a layer of security.

Shadow Effects for Emphasis

Enhance the visibility of your watermarks or subtly integrate them into your documents with customizable shadow effects. This feature allows for shadows of varying blur, spread, and color, making the watermark more distinctive or discreet as required.

MS Word locked watermark

This example shows how to lock watermark in DOCX all pages

Java


//  Load document as MS Word doc
WordProcessingLoadOptions loadOptions = new WordProcessingLoadOptions();
Watermarker watermarker = new Watermarker("source.docx", loadOptions);

//  Create a watermark
TextWatermark watermark = new TextWatermark("Watermark text", new Font("Arial", 19));
watermark.setForegroundColor(Color.getRed());

//  Tune native Word options
WordProcessingWatermarkPagesOptions options = new WordProcessingWatermarkPagesOptions();
options.setLocked(true);
options.setLockType(WordProcessingLockType.AllowOnlyFormFields);

//  Add watermark to result document pages
watermarker.add(textWatermark, options);
watermarker.save("result.docx");

GroupDocs.Watermark for Java

GroupDocs.Watermark for Java provides Java developers with the capability to integrate watermarking into XLS files, supporting both Excel and OpenOffice formats. This API allows for the embedding of watermarks that are both visible and subtle, ensuring that sensitive information is protected without altering the usability of the document. Key features include the ability to customize watermark text, image, and placement, which can be conditionally applied based on the document’s content or user permissions. This makes it ideal for applications in environments requiring rigorous data protection measures, such as banking, legal, and academic sectors. With support for Java 8 and higher, GroupDocs.Watermark is equipped to handle complex watermarking needs across diverse operating systems.

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