Add Caret Annotations in PDF using C++

Add Caret annotation to PDF document programmaticaly using Aspose.PDF for C++ Library

In order to annotate PDF file, we’ll useAspose.PDF for C++ API which is a feature-rich, powerful and easy to use document manipulation API for C++ platform. Open NuGet package manager, search for Aspose.PDF and install. You may also use the following command from the Package Manager Console.

Package Manager Console

PM > Install-Package Aspose.PDF.Cpp

Add Caret Annotation via C++


You need Aspose.PDF to try the code in your environment.

  • Load PDF in an instance of Document class
  • Create a new page or get a reference to an existing one
  • Create Caret annotation
  • Call method Add for Caret annotation from Page.Annotations collections
  • Save the file again

System Requirements


Aspose.PDF for C++ is supported on all major operating systems. Just make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with C++ Runtime Environment for Windows 32 bit, Windows 64 bit and Linux 64 bit.
  • Development environment like Microsoft Visual Studio.
  • Aspose.PDF for C++ DLL referenced in your project.

Add Caret Annotations from PDF - C++

Example

    // Load the PDF file
    Document document = new Document(System.IO.Path.Combine(_dataDir, "sample.pdf"));
    // This annotation is used to indicate the insertion of text
    var caretAnnotation1 = new CaretAnnotation(document.Pages[1], new Rectangle(299.988, 713.664, 308.708, 720.769))
    {
        Title = "Aspose User",
        Subject = "Inserted text 1",
        Flags = AnnotationFlags.Print,
        Color = Color.Blue
    };
    document.Pages[1].Annotations.Add(caretAnnotation1);
    document.Save(System.IO.Path.Combine(_dataDir, "sample_caret.pdf"));