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Category: Qt

Alles über Qt, QML und QtOPC UA

3D Rendering Solutions in Qt – an Overview

Berthold Krevert
March 3, 2025

Qt’s 3D offering is changing, so we decided to look at different options for rendering 3D content in Qt.

PySide6, Qt for Python

Kai Uwe Broulik
February 13, 2025

In this article, we’re going to have a look at Qt for Python, how it integrates with Qt Creator, and why you might want to consider using it, too.

Translating Qt Applications

Kai Uwe Broulik
October 1, 2024

Translating a Qt application, can be a daunting task. This is an overview from Qt 5 to Qt 6 and what new functionality Qt 6.7 brings.

OPC UA: Programming against Type Descriptions

Jannis Völker
July 11, 2024

OPC UA client code that relies on hardcoded NodeIds is brittle and often only works with a specific OPC UA server instance. This article shows the proper way to write robust and portable OPC UA client code.

About QML Efficiency: Compilers, Language Server, and Type Annotations

Kai Uwe Broulik
May 6, 2024

In our last post we had a look at how to set up QML Modules and how we can benefit from the QML Linter. Today we’re going to set up the QML Language Server to get an IDE-like experience in an editor of our choice. We’ll also help the the QML Compiler generate more efficient code.

How To Use Modern QML Tooling in Practice

Kai Uwe Broulik
April 26, 2024

Qt 5.15 introduced “Automatic Type Registration”. With it, a C++ class can be marked as “QML_ELEMENT” to be automatically registered to the QML engine. Qt 6 takes this to the next level and builds all of its tooling around the so-called QML Modules. Let’s talk about what this new infrastructure means to your application in practice and how to benefit from it in an existing project.

Use Compute Shader in Qt Quick

Berthold Krevert
April 2, 2024

With this blog post, we introduce the QtQuickComputeItem – a Qt Quick item that allows you to easily integrate compute shader into your Qt Quick Code. Compute Shader are used to perform arbitrary computations on the GPU. For example, the screenshot below shows a Qt Quick application that generates Gray Scott Reaction Diffusion patterns. The simulation is executed by a compute shader that is configured directly in QML.

Hello, RHI – How to get started with Qt RHI

Berthold Krevert
November 24, 2023

For some time now, Qt has been internally utilizing RHI (Rendering Hardware Interface), a new cross-platform technology for graphic rendering. Since Qt 6.6, this API has been semi-public, meaning that the API is mature for practical use but may still be subject to potential changes between major Qt versions. In this blog post, we demonstrate how to to get started with RHI.

RiveQtQuickPlugin now with Text Support

Jeremias Bosch
November 10, 2023

The RiveQtQuickPlugin has now integrated the latest rivecpp version. We’ve implemented rendering support for rive text elements. We ensured seamless text rendering compatibility across both software and hardware-backed renderers. Explore our latest blog post for a demonstration video and to learn about more rendering enhancements.

Embed Rive in your QtQuick applications

Berthold Krevert
October 30, 2023

Learn how to use Rive within Qt and Qt Quick. Rive is a tool (and file format) that enables you to create interactive vector animations. With the RiveQtQuickPlugin, you can effortlessly load and display Rive animations within your QtQuick projects. In this article, we will demonstrate how to embed Rive files, use different rendering backends, load artboards and trigger animations.