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image watermarking

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  1. Create custom format handler | GroupDocs

    This article shows how to implement one or several interfaces for the document's features and required redaction....Watermark Product Solution GroupDocs...page images) IImageFormatInstance Required for raster image format...

    docs.groupdocs.com/redaction/java/create-custom...
  2. Password Protect PDF Files in C# | Lock Unlock PDF

    Let's learn how to lock PDF files with password protection using C#. Change the existing password or remove it to unlock the PDF files using .NET API....discussed adding text and image watermarks to the documents to avoid...Protect PDF Files Online Watermark PDF Files using C# How to...

    blog.groupdocs.com/merger/lock-unlock-pdf-files...
  3. OCR support | GroupDocs

    This article demonstrates the ability to connect an external module (library) for the recognition of printed text (optical character recognition, OCR) on Images, either separate or embedded in documents...Watermark Product Solution GroupDocs...character recognition, OCR) on images, either separate or embedded...

    docs.groupdocs.com/search/net/ocr-support/
  4. eSign document with Barcode signature | GroupDocs

    This article explains how to add Barcode signature on document page with various options like barcode type, barcode text, positioning, alignment and other visual settings with GroupDocs.Signature...Watermark Product Solution GroupDocs...Generally speaking, barcode is an image of a rectangular form that consists...

    docs.groupdocs.com/signature/net/esign-document...
  5. Convert to Page Description Language formats wi...

    Learn about PageDescriptionLanguageConvertOptions class for PDL file formats (SVG, XPS, EPS, PS, PCL, TEX) in GroupDocs.Conversion for .NET....Watermark Product Solution GroupDocs...range specification, and watermark support. Supported Page Description...

    docs.groupdocs.com/conversion/net/convert-to-pa...
  6. Working with resources | GroupDocs

    This article demonstrates and explains different operations with resources, including retrieving them in different scenarios when editing documents with GroupDocs.Editor for Python via .NET....Watermark Product Solution GroupDocs...resources. These are first of all images; some document formats also...

    docs.groupdocs.com/editor/python-net/working-wi...
  7. Supported Document Formats | GroupDocs

    Supported File Formats The following table indicates the input and output file formats supported by GroupDocs.Assembly for Python via .NET. Format Description Load Save Populate Remarks DOC Microsoft Word 97 - 2007 Document. DOT Microsoft Word 97 - 2007 Template. DOCX Office Open XML WordprocessingML Document (macro-free). DOCM Office Open XML WordprocessingML Macro-Enabled Document. DOTX Office Open XML WordprocessingML Template (macro-free). DOTM Office Open XML WordprocessingML Macro-Enabled Template. RTF RTF format....Watermark Product Solution GroupDocs...format. Mime HTML (MHTML) Tagged Image File Format (TIFF) XML Based...

    docs.groupdocs.com/assembly/python-net/supporte...
  8. How to search signatures with predicate functio...

    This article explains how to search signatures using predicate functions (Func) with GroupDocs.Signature API to filter search results based on custom criteria....Watermark Product Solution GroupDocs...ImageSearchOptions () }; // Filter image signatures by size SearchResult...

    docs.groupdocs.com/signature/net/search-signatu...
  9. Cache results | GroupDocs

    This article contains caching use-cases with GroupDocs.Viewer within your .NET applications....Watermark Product Solution GroupDocs...character 458 The following image shows a sample console output:...

    docs.groupdocs.com/viewer/net/caching-results/
  10. Get document info | GroupDocs

    This article explains how to detect document file type, page count, and file size with GroupDocs.Parser for Python via .NET....Watermark Product Solution GroupDocs...spreadsheet, PowerPoint presentation, image etc.) page_count represents...

    docs.groupdocs.com/parser/python-net/get-docume...