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Cross-Platform Development with Qt 6 and Modern C++

You're reading from Cross-Platform Development with Qt 6 and Modern C++

Product type Book

Published in Jun 2021

Publisher Packt

ISBN-13 9781800204584

Pages 442 pages

Edition 1st Edition

Languages

Concepts

GUI Application Development

Author (1):

Nibedit Dey

Table of Contents (17) Chapters

Preface

1. Section 1: The Basics

2. Chapter 1: Introduction to Qt 6

3. Chapter 2: Introduction to Qt Creator

4. Chapter 3: GUI Design Using Qt Widgets

5. Chapter 4: Qt Quick and QML

6. Section 2: Cross-Platform Development

7. Chapter 5: Cross-Platform Development

8. Section 3: Advanced Programming, Debugging, and Deployment

9. Chapter 6: Signals and Slots

10. Chapter 7: Model View Programming

11. Chapter 8: Graphics and Animations

12. Chapter 9: Testing and Debugging

13. Chapter 10: Deploying Qt Applications

14. Chapter 11: Internationalization

15. Chapter 12: Performance Considerations

16. Other Books You May Enjoy

Profiling a Qt Quick application using QML Profiler and Flame Graph

QML in Qt 6 takes advantage of graphics processing units (GPUs) and uses hardware acceleration for rendering. This feature makes QML superior to Qt Widgets in terms of performance. However, there can be bottlenecks in your QML code that may impact overall application performance. In this section, we will focus on using the built-in tool to find these bottlenecks. Qt Creator provides seamless integration with multiple tools. The most important tool is QML Profiler. It is provided by Qt and works on all Qt-supported platforms. Other than QML Profiler, Qt Creator also provides third-party tools such as Valgrind, Heob, and Performance Analyzer. You can enable new plugins or remove some plugins from About Plugins…, available under the Help menu.

Let's discuss QML Profiler, which you will be using most of the time to find the bottlenecks in your QML code. The goal of QML Profiler is to help you identify bottlenecks...

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Authors (1)

Nibedit Dey

Nibedit Dey is a software engineer turned serial entrepreneur with over a decade of experience in building complex software-based products with amazing user interfaces. Before starting his entrepreneurial journey, he worked for Larsen and Toubro and Tektronix in different R&D roles. He holds a bachelor's degree in biomedical engineering and a master's degree in digital design and embedded systems. Specializing in Qt and embedded technologies, his current role involves end-to-end ownership of products right from architecture to delivery. Currently, he manages two technology-driven product startups named ibrum technologies and AIDIA Health. He is a tech-savvy developer who is passionate about embracing new technologies.

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