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Category Archive: GroupDocs.Annotation Product Family
Add Annotations in a PDF file using C#
We are living in a paper-less era. Everything in business has gone digital. If you are given a document (e.g. PDF, Word, Presentation) and asked to brief the sales achieved in 2018. What will you do? You will try to highlight or add arrow to the concerned text.
Supported Annotations
Following are the supported annotation types:
- Area
- Arrow
- Distance
- Ellipse
- Link
- Point
See full list of supported annotations in this article and list of supported file formats here.
Insert
… Continue ReadingAnnotate documents programmatically using GroupDocs.Annotation for .NET
How about annotating a document programmatically? GroupDocs.Annotation for .NET offers a wide range of annotations (e.g. graphical, watermark, redaction, underline, etc.) that can be added in any supported document without third party software/tool installation.
If you are already using GroupDocs.Annotation for .NET. You can migrate to version 19.9 because:
- Annotator class introduced as a single entry point to manage the document annotating process to any supported file format
- The overall rendering speed improved dramatically by saving rendered page as soon as
Posted in GroupDocs.Annotation Product Family Tagged .NET, Annotate docs, Document Annotation API
Adding Ellipse Annotation in a PDF Document
GroupDocs.Annotation API
GroupDocs.Annotation comes with an extensive set of tools that you can use to easily add common shapes to your documents as an annotation. The list of tools is not limited to area, point, text, polyline, etc. In this section, we will primarily discuss how the Ellipse annotation could be added in a PDF document by using GroupDocs.Annotation API.
Adding Ellipse Annotation
While discussing the family of annotation types, we cannot ignore ellipse annotation. It could be regarded as … Continue Reading
Posted in GroupDocs.Annotation Product Family Tagged Annotation, Ellipse, Ellipse Annotation, GroupDocs.Annotation
Add Ellipse Annotation in Multiple Documents
We are always keen to make our APIs rich in features and enhance usability. When we talk about annotation types. One cannot neglect ellipse annotation. Its a multi purposed annotation type. For instance you can use it to display extra information on your gauge or capture graph hits against a target line. Previously, Ellipse annotation was implemented in .NET version and it seemed very useful. We are pleased to announce that Ellipse annotation is now added in GroupDocs.Annotation for Java … Continue Reading
Posted in GroupDocs.Annotation Product Family Tagged GroupDocs.Annotation for Java
Export Annotations to TIFF Files
This may be a big news for those who annotate TIFF documents, most of the time. Previously, there was issue with this format. API was throwing exception “Cannot open image file”. But now you can:
- Import annotations from TIFF file
- Delete annotations from it
- Export annotations into it
Moreover, in trial mode you were not able to get document info. This issue is now resolved in GroupDocs.Annotation for .NET 19.6.
Lets see new features introduced:
More Slide FormatsAPI… Continue Reading
Posted in GroupDocs.Annotation Product Family Tagged GroupDocs.Annotation for .NET
Cache Page Previews in GroupDocs.Annotation for Java
EnableCaching feature stores image representation of a document in a directory at the local drive. In case of repetitive processing/opening of a document, it uses cached data. This thing helps to avoid the processing of the same document again and again. You might be waiting for this feature. The wait is over now. GroupDocs.Annotation for Java 19.5 permits you to enable cache mode and cache page previews. Let’s take a overview of its code.
We also added possibility to display … Continue Reading
Posted in GroupDocs.Annotation Product Family Tagged GroupDocs.Annotation for Java
Implement Link Annotation in PDF Documents
You might be wondering if there would be more annotation types. The wait is over, we’ve introduced Link Annotation in GroupDocs.Annotation for .NET 19.4. With the passage of time we’ll introduce more annotations. Currently, Link Annotation is supported for PDF, Slides and Word documents only. Let’s see the minimal set of fields required for Link Annotation.
There is one improvement and few bug fixes introduced as well. Previously,
GetPdfFile method was not processing password protected documents. Now, if you need … Continue Reading
Posted in GroupDocs.Annotation Product Family Tagged GroupDocs.Annotation for .NET
Add Ellipse Annotation in Slides
We try our best to provide minimal yet appropriate solutions to our customers. Hence, in this month’s release of GroupDocs.Annotation for .NET 19.3 you will observe some new “easy-to-implement” features. Lets start with ellipse annotation. You might be looking for it, we’ve now added its support for different document formats.
Ellipse Annotation
GroupDocs.Annotation for .NET 19.3 provides GetThumbnail method for PageImage class, that helps you in getting thumbnails of PDF document pages.
Get Thumbnails
You’ll be glad to hear that … Continue Reading
Posted in GroupDocs.Annotation Product Family Tagged GroupDocs.Annotation for .NET
Possibility to Cache Page Previews using GroupDocs.Annotation for .NET 19.1

We are pleased to announce another monthly release of GroupDocs.Annotation for .NET 19.1. API now allows you to cache page previews and implement possibility to display distance annotation caption for Slide, Cell and Diagram formats. Apart from that, line width issue in Slides is fixed. Please follow the release notes here for further details. We’d recommend you to download the new version of the API to enhance your document annotation experience.
Features
- Add possibility to cache page previews
- Implement
Posted in GroupDocs.Annotation Product Family Tagged GroupDocs.Annotation for .NET