Dev Loop

Maurice Kalinowski

Serialization in and with Qt

Published Thursday May 31st, 2018
17 Comments on Serialization in and with Qt
Posted in Automation, Dev Loop, Embedded, Internet of Things | Tags: , , ,

In our first part of this series, we looked at how to set up messages, combine them, and reduce their overhead in the context of telemetry sensors. This part focuses on the payload of messages and how to optimize them. There are multiple methods to serialize an object with Qt. In part one, we used […]

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Alistair Adams

Released and Certified: Qt Safe Renderer – An ASIL-D Functional Safety Solution

Published Thursday May 31st, 2018
1 Comment on Released and Certified: Qt Safe Renderer – An ASIL-D Functional Safety Solution
Posted in Announcements, Automotive, Biz Circuit & Dev Loop, Medical

We are pleased to announce that the Qt Safe Renderer has been certified to meet the following functional safety standards: ISO 26262:2011-6, ISO 26262:2011-8 (ASIL-D) (road vehicles functional safety) IEC 61508:2010-3 7.4.4 (SIL 3) (electrical/electronic/programmable safety-related systems) EN 50128:2011 6.7.4 (SIL 4) (railway applications) IEC 62304:2015(2006+A1) (medical devices) With this certification, the Qt Safe Renderer […]

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Morten Johan Sørvig

Vulkan for Qt on macOS

Published Wednesday May 30th, 2018
2 Comments on Vulkan for Qt on macOS
Posted in Dev Loop, Graphics, macOS, Vulkan

Sometimes, development efforts align such that new use cases can be enabled with modest extra effort. The QtBase dev branch (which will become Qt 5.12) now has experimental Vulkan support, courtesy of MoltenVK and prior work in Qt. Let’s take a look at what has happened. Backstory Last year, Laszlo wrote about Vulkan support in […]

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Jesús Fernández

Playing with coroutines and QML

Published Tuesday May 29th, 2018
6 Comments on Playing with coroutines and QML
Posted in Qt | Tags: ,

** aka Playing with coroutines and Qt (Part II) From 5747a7530206ac410b6bd7c1b8490d7d389ad3a5 JavaScript Generators are supported in QML. This enables to write the Fibonacci example from the previous post using generators and QML. Mandatory example: import QtQuick 2.11 import QtQuick.Window 2.11 import QtQuick.Controls 2.2 Window { property var fibonacci: function* () { yield “0: 0” yield […]

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Johan Helsing

What’s new with the Wayland platform plugin in Qt 5.11?

Published Tuesday May 29th, 2018
8 Comments on What’s new with the Wayland platform plugin in Qt 5.11?
Posted in Dev Loop, Qt, Wayland | Tags: , ,

Wayland is a display server protocol used on modern Linux systems, the Qt Wayland platform plugin lets Qt applications run on Wayland display servers (compositors). Apart from bug fixes, the Qt 5.11 release contains a substantial amount of improvements, especially for desktop users. Key composition support Support for compose keys has been missing for a […]

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