This chapter covers
Annotations: overview of the most common types
Fields: buttons, text fields, choice fields
Forms: a second series of actions
In chapter 2, you learned how to fill in form fields using
PdfStamper. We didn’t go into the details of form filling, nor did we discuss how a PDF containing an interactive form (an AcroForm) can be created using iText objects. Most fields in such a form use widget annotations to represent their appearance and to manage user interactions.
That’s why we’ll begin this chapter by explaining how to add annotations to a PDF document. In the second part of this chapter, you’ll use widget annotations to create three types of form fields: button, text, and choice fields. ...