GroupDocs.Annotation for .NET 17.7.0 Release Notes

This page contains release notes for GroupDocs.Annotation for .NET 17.7.0

Major Features

Below the list of  new features and fixed bugs in this regular monthly release of GroupDocs.Annotation for .NET. The most notable are:

  • Fixed SVG path parsing for specific cases
  • Implemented annotations import for Diagrams format (Area Redaction, Polyline, Text Field, Area Redaction)
  • Implemented setting opacity to annotations where it is possible
  • Exceptions handling improvements (added several more specific type of exceptions)

Full List of Issues Covering all Changes in this Release

KeySummaryIssue Type
ANNOTATIONNET-448Set opacity for Diagrams annotationsNew Feature
ANNOTATIONNET-447Set opacity for Pdf annotationsNew Feature
ANNOTATIONNET-446Set opacity for Words annotationsNew Feature
ANNOTATIONNET-445Set opacity for Slides annotationsNew Feature
ANNOTATIONNET-442Implement additional specific exceptionsImprovement
ANNOTATIONNET-441Import text field annotation from DiagramNew Feature
ANNOTATIONNET-440Import polyline annotation from DiagramNew Feature
ANNOTATIONNET-439Import Area Redaction annotation from diagramNew Feature
ANNOTATIONNET-438Import area annotation from diagramNew Feature
ANNOTATIONNET-430Implement import annotations for DiagramNew Feature
ANNOTATIONNET-421Bug with parsing specific SVG pathBug
ANNOTATIONNET-419Implement TextField annotation for DiagramsNew Feature

Public API and Backward Incompatible Changes

This section lists public API changes that were introduced in GroupDocs.Annotation for .NET 17.7.0. It includes not only new and obsoleted public methods, but also a description of any changes in the behavior behind the scenes in GroupDocs.Annotation which may affect existing code. Any behavior introduced that could be seen as a regression and modifies existing behavior is especially important and is documented here.

How to use Opacity

// 1. To AnnotationInfo object added new Opacity field that sets opacity of annotation (can be null or float number between 0 and 1)

	public double? Opacity { get; set; }

// 2. Text annotation.
AnnotationInfo textAnnotation = new AnnotationInfo
    Box = new Rectangle(68, 154, 102, 9),
    PageNumber = 0,
    SvgPath = "[{\"x\":68.7886,\"y\":687.5769},{\"x\":170.8186,\"y\":687.5769},{\"x\":68.7886,\"y\":678.5769},{\"x\":170.8186,\"y\":678.5769}]",
    Type = AnnotationType.Text,
    CreatorName = "Anonym A."
    CreatorName = "Anonym A.",
	Opacity = 0.1

Import annotations from Diagram documents

using System.IO;
using System.Linq;
using System.Reflection;
using GroupDocs.Annotation;
using GroupDocs.Annotation.Config;
using GroupDocs.Annotation.Domain;
using GroupDocs.Annotation.Handler;
namespace ImportAnnotationsDiagram
    class Program
        static void Main(string[] args)
            AnnotationConfig cfg = new AnnotationConfig();
            cfg.StoragePath = "StorageFolder";
            AnnotationImageHandler annotator = new AnnotationImageHandler(cfg);
            if (!Directory.Exists(cfg.StoragePath))
            new License().SetLicense(@"path_to_licence");
            Stream input = new FileStream("../../testImportArrow.vsdx", FileMode.Open,FileAccess.ReadWrite); 
            AnnotationInfo[] annotations = annotator.ImportAnnotations(input, DocumentType.Diagram);
            Stream clearDocument = new FileStream("../../testClear.vsd", FileMode.Open,FileAccess.ReadWrite); 
            Stream output = annotator.ExportAnnotationsToDocument(clearDocument, annotations.ToList(), DocumentType.Diagram);

            using (FileStream fileStream = new FileStream("../../testDiagramExported.vsdx", FileMode.Create))
                byte[] buffer = new byte[output.Length];
                output.Seek(0L, SeekOrigin.Begin);
                output.Read(buffer, 0, buffer.Length);
                fileStream.Write(buffer, 0, buffer.Length);