Dynamically adjust font size of text to fit into a PDF text field using iTextSharp.LGPLv2.Core.

In one of the asp.net core projects I worked on, I used iTextSharp.LGPLv2.Core to programmatically fill out a PDF form. Sometimes, we have a string that is too long to fit within the rectangle area of the text field. After a bit of googling, I found and adopted the solution in this StackOverFlow to solve this problem by dynamically compute the appropriate font size I can use so that the value can fit within the field.

Fill out a PDF form using iTextSharp for .NET core.

iTextSharp is a popular library for working with PDF files. The  unofficial port of the v4.16 is available for .NET core. In this post, I show examples of using the library to programmatically read and fill out a PDF form.

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