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  1. GroupDocs.Signature for .NET 25.12 – 最新更新和修复(20...

    探索 GroupDocs.Signature for .NET 25.12 的新功能。现已在 NuGet 和 GroupDocs 网站上提供。...优化验证 如何获取更新 资源 本次发布的新功能 # [功能] Image digital signature support and...inputFile = "image.png" ; string outputFile = "signed_image.png" ;...

    blog.groupdocs.com/zh/signature/groupdocs-signa...
  2. Extracting MakerNote Metadata | GroupDocs

    What is MakerNote? MakerNote metadata refers to Image information that is written by digital cameras of different manufacturers. Usually, MakerNote metadata properties contain camera settings and some other conditions under which the shot was taken. Most manufacturers store MakerNote properties in a proprietary binary format derived from EXIF. GroupDocs.Metadata allows extracting MakerNote metadata saved by the following manufacturers: Canon Nikon Panasonic Sony Read all MakerNote Properties in the Form of TIFF/EXIF Tags Utilizing the GroupDocs....formats / Images / Working with metadata in JPEG images / Extracting...MakerNote metadata refers to image information that is written...

    docs.groupdocs.com/metadata/net/extracting-make...
  3. Generating worksheets (tabs) preview for spread...

    This article describes how to generate a preview for any worksheet (tab) from an existing Excel spreadsheet in SVG format using GroupDocs.Editor for Node.js....worksheet preview as an SVG image encapsulated in the SvgImage...svgPreview . save ( `Sample_out_image_ ${ worksheetIndex } .svg` );...

    docs.groupdocs.com/editor/nodejs-java/generatin...
  4. Using OCR to extract a text from images and PDF...

    GroupDocs.Parser provides API to extract a text from Image files and non-text PDFs documents. The following articles describe how to use API to extract data and integrate any paid or free OCR solution to GroupDocs.Parser....OCR to extract a text from images and PDFs Using OCR to extract...extract a text from images and PDFs Leave feedback GroupDocs.Parser...

    docs.groupdocs.com/parser/net/using-ocr/
  5. Generate Tiling Watermarks - Enhance Document S...

    Discover the techniques to generate tiling watermarks for documents using C#, Java, and Node.js. Enhance your document security with this step-by-step guide....on the specific document or image being protected. Below, we explore...ideal use cases. Refer to the image below for visual representations...

    blog.groupdocs.com/watermark/generate-tiling-wa...
  6. Working with Metadata in ASF Files | GroupDocs

    Working with metadata in ASF files Reading ASF format-specific properties The GroupDocs.Metadata API supports extracting format-specific information from ASF files. The following are the steps to read native ASF metadata. Load an ASF video Get the root metadata package Extract the native metadata package using AsfRootPackage.AsfPackage Read the ASF metadata properties AdvancedUsage.ManagingMetadataForSpecificFormats.Video.Asf.AsfReadNativeMetadataProperties using (Metadata metadata = new Metadata(Constants.InputAsf)) { var root = metadata.GetRootPackage(); var package = root.AsfPackage; // Display basic properties Console.... WriteLine ( "Image height: {0}" , videoStreamProperty...ImageHeight ); Console . WriteLine ( "Image width: {0}" , videoStreamProperty...

    docs.groupdocs.com/metadata/net/working-with-me...
  7. GroupDocs.Conversion for Java

    Find answers about converting documents and Images of various types using Java code on any platform....PNG using Java How to Convert Image to Word using Java How to Convert...

    kb.groupdocs.com/conversion/java/page/4/
  8. GroupDocs.Annotation Product Family

    Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....throwing exception “Cannot open image file”. But now you can: Import...EnableCaching feature stores image representation of a document...

    blog.groupdocs.com/categories/groupdocs.annotat...
  9. Deleting multiple signatures of different types...

    This article shows how to delete multiple electronic signatures different ways with GroupDocs.Signature API....BaseSignature >(); // collect image signatures to delete foreach...SignatureType == SignatureType . Image ) { signaturesToDelete . Add...

    docs.groupdocs.com/signature/net/deleting-multi...
  10. Saving signed documents with different formats ...

    This section explains how to save document with various file formats....different formats Leave feedback Image → format PDF → format Presentaion...

    docs.groupdocs.com/signature/net/saving-signed-...