Manage Annotations in PDF via C++
Managing annotations in PDF document. Use Aspose.PDF for C++ to modify PDF files programmatically
How to Manage Annotations Using C++ Library
In order to add Text Annotation in PDF file, we’ll use Aspose.PDF for C++ API which is a feature-rich, powerful and easy to use document manipulation API for cpp 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.CppCreate Annotations in PDF document via C++
You need Aspose.PDF for C++ to try the code in your environment.
- Load PDF in an instance of Document class.
- Create an annotation that you want to add to the PDF.
- Add the annotation to the Page object’s Annotations collection.
- Save the PDF file.
PDF Text Annotation - C++
Example: C++
auto document = MakeObject<Document>(_dataDir + u"sample.pdf");
auto page = document->get_Pages()->idx_get(1);
auto rect = MakeObject<Rectangle>(200, 750, 400, 790);
auto textAnnotation = MakeObject<Aspose::Pdf::Annotations::TextAnnotation>(page, rect);
textAnnotation->set_Title(u"Aspose User");
textAnnotation->set_Subject(u"Sample Subject");
textAnnotation->set_State(Aspose::Pdf::Annotations::AnnotationState::Accepted);
textAnnotation->set_Contents(u"Sample contents for the annotation");
textAnnotation->set_Open(true);
textAnnotation->set_Icon(Aspose::Pdf::Annotations::TextIcon::Circle);
auto border = MakeObject<Aspose::Pdf::Annotations::Border>(textAnnotation);
border->set_Width(5);
border->set_Dash(MakeObject<Aspose::Pdf::Annotations::Dash>(1, 1));
textAnnotation->set_Border(border);
textAnnotation->set_Rect(rect);
page->get_Annotations()->Add(textAnnotation);
document->Save(_dataDir + u"sample_textannot.pdf");
}