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Hands-On GUI Programming with C++ and Qt5

Hands-On GUI Programming with C++ and Qt5

By : Eng, Lee Z Eng
3 (8)
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Hands-On GUI Programming with C++ and Qt5

Hands-On GUI Programming with C++ and Qt5

3 (8)
By: Eng, Lee Z Eng

Overview of this book

Qt 5, the latest version of Qt, enables you to develop applications with complex user interfaces for multiple targets. It provides you with faster and smarter ways to create modern UIs and applications for multiple platforms. This book will teach you to design and build graphical user interfaces that are functional, appealing, and user-friendly. In the initial part of the book, you will learn what Qt 5 is and what you can do with it. You will explore the Qt Designer, discover the different types of widgets generally used in Qt 5, and then connect your application to the database to perform dynamic operations. Next, you will be introduced to Qt 5 chart which allows you to easily render different types of graphs and charts and incorporate List View Widgets in your application. You will also work with various Qt modules, like QtLocation, QtWebEngine, and the networking module through the course of the book. Finally, we will focus on cross-platform development with QT 5 that enables you to code once and run it everywhere, including mobile platforms. By the end of this book, you will have successfully learned about high-end GUI applications and will be capable of building many more powerful, cross-platform applications.
Table of Contents (18 chapters)
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Drawing vector shapes

In the following section, we will learn how to render vector graphics on our Qt application using the QPainter class.

Vector versus bitmap

There are two types of format in computer graphics—bitmap and vector. Bitmap images (also known as raster images) are images that are stored as a series of tiny dots called pixels. Each pixel will be assigned a color and gets displayed on screen exactly how it's stored—a one-to-one correspondence between the pixels and what is displayed on the screen.

On the other hand, vector images are not based on bitmap patterns but rather use mathematical formulas to represent lines and curves that can be combined to create geometrical shapes.

The main characteristics...

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