Throughout your career as a developer or your studies and research, you will come across the word, sustainable a lot. This chapter's goal was to introduce you to the basic concepts of creating a sustainable application in general, and a computer vision application using Qt and OpenCV in particular. You are now familiar with creating plugins, which consequently means you can create an application that can be extended by reusable libraries created by third-party developers (or yourself, of course) and without the need to rebuild the core application. In this chapter, you also learned about customizing the look and feel of a Qt application and creating multi-language Qt applications.
It was a long, but hopefully rewarding chapter. If you have followed through every example and step-by-step instruction, then by now you should be familiar with some of the most crucial techniques of cross-platform application development using the Qt framework. In this chapter, you learned about styling...