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Qt 6 C++ GUI Programming Cookbook

You're reading from   Qt 6 C++ GUI Programming Cookbook Practical recipes for building cross-platform GUI applications, widgets, and animations with Qt 6

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Product type Paperback
Published in Apr 2024
Publisher Packt
ISBN-13 9781805122630
Length 428 pages
Edition 3rd Edition
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Author (1):
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Lee Zhi Eng Lee Zhi Eng
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Lee Zhi Eng
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Toc

Table of Contents (17) Chapters Close

Preface 1. Chapter 1: Look-and-Feel Customization with Qt Designer FREE CHAPTER 2. Chapter 2: Event Handling – Signals and Slots 3. Chapter 3: States and Animations with Qt and QML 4. Chapter 4: QPainter and 2D Graphics 5. Chapter 5: OpenGL Implementation 6. Chapter 6: Transitioning from Qt 5 to Qt 6 7. Chapter 7: Using Network and Managing Large Documents 8. Chapter 8: Threading Basics –Asynchronous Programming 9. Chapter 9: Building a Touch Screen Application with Qt 6 10. Chapter 10: JSON Parsing Made Easy 11. Chapter 11: Conversion Library 12. Chapter 12: Accessing Databases with SQL Driver and Qt 13. Chapter 13: Developing Web Applications Using Qt WebEngine 14. Chapter 14: Performance Optimization 15. Index 16. Other Books You May Enjoy

Rendering a 2D canvas in QML

In all the previous examples of this chapter, we have discussed the methods and techniques used to render 2D graphics with Qt’s C++ API. However, we have yet to learn how to achieve similar results using the powerful QML script.

How to do it…

In this project, we’ll be doing something quite different:

  1. As usual, the first step is to create a new project by going to File | New File or Project and selecting Qt Quick Application as the project template:
Figure 4.19 – Creating a new Qt Quick Application project

Figure 4.19 – Creating a new Qt Quick Application project

  1. Once you are done creating the new project, open up main.qml, which is listed under qml.qrc in the project pane. After that, set an ID for the window and adjust its width and height values to larger values, like so:
    import QtQuick
    import QtQuick.Window
    Window {
        id: myWindow
        visible: true
        width: 640
     ...
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