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pdf watermarking

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  1. Sign document with Stamp signature - advanced |...

     This article explains how to sign document with generated Stamp electronic signatures using advanced options with GroupDocs.Signature API....Watermark Product Solution GroupDocs...signature = new Signature ( "sample.pdf" ); // setup options with text...

    docs.groupdocs.com/signature/java/sign-document...
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  2. Working with OpenType fonts | GroupDocs

    OpenType is a format for scalable computer fonts. It was built on its predecessor TrueType, retaining TrueType’s basic structure and adding many intricate data structures for prescribing typographic behavior. Note Please find more information on the OpenType format here: https://en.wikipedia.org/wiki/OpenType. Reading OpenType metadata The GroupDocs.Metadata API supports extracting format-specific information from OpenType font files. The following are the steps to read the header of an OpenType file. Load an OpenType font file Get the root metadata package Extract the native metadata package using the OpenTypeRootPackage....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/metadata/java/working-with-o...
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  3. Deleting Barcode signatures - advanced | GroupDocs

    This article shows how to delete Barcode electronic signatures different ways with GroupDocs.Signature API....Watermark Product Solution GroupDocs...Apps. You are welcome to eSign PDF, Word, Excel, PowerPoint documents...

    docs.groupdocs.com/signature/java/deleting-barc...
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  4. Search for embedded and encrypted objects in QR...

     This section explains how to search for embedded electronic signatures into the QR-Code electronic signatures with GroupDocs.Signature API. Also this topic shows the way to customize data serialization and encryption same as provides the class definition with ability to embed it into the QR-Code electronic signature....Watermark Product Solution GroupDocs...Apps. You are welcome to eSign PDF, Word, Excel, PowerPoint documents...

    docs.groupdocs.com/signature/java/search-embed-...
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  5. Character types | GroupDocs

    This page contains descriptions of all character types. Character types differ in how characters of these types are indexed....Watermark Product Solution GroupDocs...welcome to search over your PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/search/nodejs-java/character...
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  6. Python 平鋪水印：7 個保護文件與圖像的範例

    掌握 Python 平鋪水印，通過 7 個實用範例學習。了解如何添加、創建和自訂水印以保障文件安全，移除水印，並使用 GroupDocs.Watermark API 進行企業內容保護。...什麼是水印以及為什麼您需要它們 開始之前：簡易設定 安裝 Watermark 工具（超簡單！） 7 個專業水印範本：從基礎保護到最高安全...，它們更難被移除。 開始之前：簡易設定 # 安裝 Watermark 工具（超簡單！） # 把它想像成下載一個應用程式。我們需要一個名為...

    blog.groupdocs.com/zh-hant/watermark/tiling-wat...
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  7. Password Protect Excel Files in Java | Lock Unl...

    Let's learn how to password protect Excel spreadsheet files using Java. Change the existing password or remove it to unlock the XLS/XLSX files using Java API....about adding text and image watermarks to the Excel spreadsheets...Unlock Excel Files Online Watermark Excel Files using Java Protect/Unprotect...

    blog.groupdocs.com/merger/lock-unlock-excel-fil...
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  8. Implement custom encryption with QR-Code signat...

    This article explains how to implement custom encryption for QR-code electronic signatures....Watermark Product Solution GroupDocs...signature = new Signature ( "sample.pdf" )) { // create data encryption...

    docs.groupdocs.com/signature/net/implement-cust...
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  9. Getting indexed documents | GroupDocs

    This article explains how to get a list of indexed documents from an index, and how to get the text of indexed documents in HTML or plain text format....Watermark Product Solution GroupDocs...welcome to search over your PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/search/nodejs-java/getting-i...
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  10. GroupDocs Blog

    GroupDocs Blog - GroupDocs Blog | Document Automation Solutions for .NET & Java Developers...Watermark is coming soon to Java platform...for adding text and image watermark to the popular document formats...

    blog.groupdocs.com/groupdocs.blog/page/64/
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