Book Image

Qt5 C++ GUI Programming Cookbook - Second Edition

By : Lee Zhi Eng
Book Image

Qt5 C++ GUI Programming Cookbook - Second Edition

By: Lee Zhi Eng

Overview of this book

With the growing need to develop GUIs for multiple targets and multiple screens, improving the visual quality of your application becomes important so that it stands out from your competitors. With its cross-platform ability and the latest UI paradigms, Qt makes it possible to build intuitive, interactive, and user-friendly user interfaces for your applications. Qt5 C++ GUI Programming Cookbook, Second Edition teaches you how to develop functional and appealing user interfaces using the latest version of QT5 and C++. This book will help you learn a variety of topics such as GUI customization and animation, graphics rendering, implementing Google Maps, and more. You will also be taken through advanced concepts like asynchronous programming, event handling using signals and slots, network programming, various aspects of optimizing your application. By the end of the book, you will be confident to design and customize GUI applications that meet your clients' expectations and have an understanding of best practice solutions for common problems.
Table of Contents (15 chapters)

Applying image effects to graphics

Qt provides an easy way to add image effects to any graphics drawn using the QPainter class. In this example, we will learn how to apply different images effects such as drop shadow, blur, colorize, and opacity effects, to a graphic before displaying it onscreen.

How to do it...

Let's learn how to apply image effects to text and graphics by following these steps:

  1. Create a new Qt Widgets Application project and remove the menuBar, mainToolBar, and StatusBar.
  1. Create a new resource file by going to File | New File or Project and adding all the images required by the project:
  1. Next, open up mainwindow.ui and add four labels to the window. Two of the labels will be text, and the two...