How to subclass QAbstractTextDocumentLayout C++ version (English ver)

Greeting

Hello. This is how to create a subclass of QAbstractTextDocumentLayout.

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Launching the project

The project name can be anything. Since you are someone who wants to learn this, I think you can easily understand this.

Create a QAbstractTextDocumentLayout class file

QAbstractTextDocumentLayout is an abstract class with pure virtual functions. Therefore, it must be used as a subclass.