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  1. HTML5 Image, PDF and Microsoft Office Document ...

    We’ve received a lot of feedback from our customers asking us to create a .NET library based on our HTML5 document annotation app. We’ve worked hard and today are pleased to announce the release of the document annotation library for developers on .NET platforms (ASP.NET, C#, VB.NET). Using the library, developers can seamlessly enhance their web and mobile apps with the ability to annotate Microsoft Office documents, PDFs and image files....files and images (JPEG, GIF, PNG, BMP, TIFF). Documents are rendered...

    blog.groupdocs.com/annotation/html5-image-and-p...
  2. Using OCR to redact image documents | Documenta...

    GroupDocs.Redaction supports both types of image documents for Optical Character Recognition (OCR): image files, such as printed document scans (Png, JPG, etc.) embedded images within office documents (PDF, DOCX, etc.) You have to implement IOcrConnector interface and pass the instance to RedactorSettings constructor. For more details, see OCR Usage Basics article. OCR usage limitations There are the following limitations of the OCR with GroupDocs.Redaction v21.3: textual replacements are not supported, so you have to use color box replacements to redact text in images....such as printed document scans (PNG, JPG, etc.) embedded images within...

    docs.groupdocs.com/redaction/net/using-ocr/
  3. Introducing GroupDocs.Signature for .NET | Docu...

    Introduction to GroupDocs.Signature for .NET - what is it and why to use...DOCX/DOC, PPTX/PPT, XLSX/XLS, JPG, PNG, TIFF, HTML and many others....

    docs.groupdocs.com/signature/net/introducing-gr...
  4. Get text coordinates | Documentation

    Learn how to obtain text coordinates when rendering your documents with Image Viewer by GroupDocs and place text over rendered document page image....Render documents / Render to PNG or JPEG / Get text coordinates...

    docs.groupdocs.com/viewer/java/image-viewer-get...
  5. 在 ASP.NET Core MVC 中为 140 多种文件格式创建文档查看器

    在线文档查看器在越来越多地使用数字文档后变得流行起来,尤其是在内容管理系统中。这种流行背后的原因是您无需购买或安装专用软件程序即可查看各种文档格式。考虑到文档查看器的重要性,我想写一篇关于如何在 ASP.NET MVC 中创建通用文档查看器的文章。 我们将创建一个针对 .NET Core 框架。对于后端的文档呈现,我们将使用 GroupDocs.Viewer for .NET API - 一个强大的文档查看器 API它支持 140 多种文档类型,包括 PDF、Word、Excel、PowerPoint、Visio、CAD、Outlook 和许多其他流行的格式。 为什么选择 .NET Core? .NET Core 是 Microsoft 对 .NET 生态系统的重要补充。它使开发跨平台应用程序成为可能,而无需开发人员进行任何额外的努力。这就是我选择 .NET Core 作为目标框架的原因。 在 ASP.NET Core 中创建文档查看器的步骤 1. 打开 Visual Studio 并启动一个新项目。 2. 从项目类型中选择 .NET Core,从模板中选择 ASP.NET Core Web Application。 3. 选择 Web Application (Model-View-Controller) 并点击 Ok 按钮。 4. 从 NuGet 安装 GroupDocs.Viewer。 5. 打开 Views/Home/Index.cshtml 文件并将其内容替换为以下内容: @{ ViewData["Title"] = "Home Page"; }