Dev Loop

Eskil Abrahamsen Blomfeldt

How to shoot yourself in the foot using only a scene graph (neat optimization trick inside)

Published Thursday January 19th, 2017 | 9 Comments on How to shoot yourself in the foot using only a scene graph (neat optimization trick inside)
Posted in Declarative UI, Dev Loop, Graphics, OpenGL, Performance, Qt, Qt Quick 2, Text and font handling, UI

I am trying to get into the habit of blogging more often, also about topics that may not warrant a white paper worth of text, but that may be interesting to some of you. For those of you who don’t know me, I am the maintainer of the text and font code in Qt, and recently I came across a curious customer case where the optimization mechanisms in the Qt Quick scene graph ended up doing more harm than good. I thought I would share the case with you, along with the work-around I ended up giving to the customer.

Read More
Laszlo Agocs

Which OpenGL implementation is my Qt Quick app using today?

Published Wednesday January 18th, 2017 | 4 Comments on Which OpenGL implementation is my Qt Quick app using today?
Posted in Declarative UI, Dev Loop, Embedded, Graphics, Performance, Qt Quick

Qt Quick-based user interfaces have traditionally been requiring OpenGL, quite unsurprisingly, since the foundation of it all, the Qt Quick 2 scenegraph, is designed exclusively with OpenGL ES 2.0 (the top of the line for mobile/embedded at the time) in mind. As you may have heard, the graphics API story is a bit more inclusive […]

Read More
Rolland Dudemaine, Green Hills Software

Embedded Devices with Qt and the INTEGRITY RTOS

Published Tuesday December 20th, 2016 | Comments Off on Embedded Devices with Qt and the INTEGRITY RTOS
Posted in Automotive, Dev Loop, Embedded, Guest Blog, RTOS

The Green Hills INTEGRITY Real-Time Operating System (RTOS) is widely used in safety- and security-critical systems. Work has been ongoing for already some time to get Qt 5 running on INTEGRITY, and now we are delighted to show a proof-of-concept port of Qt 5.7 on top of INTEGRITY. Qt 4.8 support has been available for […]

Read More
Tuukka Turunen

Qt 5.7.1 Released

Published Wednesday December 14th, 2016 | 18 Comments on Qt 5.7.1 Released
Posted in Dev Loop, Releases

Qt 5.7.1 has been released today. It contains all the latest bug fixes and improvements, including everything from Qt 5.6.2 patch release as well as additional improvements and functionality not available in the Qt 5.6 branch. The brand new Qt Creator 4.2.0 is also included in the Qt 5.7.1 offline installer packages as well as the […]

Read More
Carl Engh

Qt World Summit 2016 Webinar Series – Christmas Sessions

Published Monday November 28th, 2016 | 8 Comments on Qt World Summit 2016 Webinar Series – Christmas Sessions
Posted in Dev Loop, Events

‘Tis the season to be jolly and as always we are just trying to be Qt /kjuːt/. We just keep on giving and giving and here is another present for you. We are hosting webinars based on the breakout sessions from The Qt World Summit 2016. So, grab a cup of cocoa and sign up for […]

Read More
Tobias Hunger

CMake support in Qt Creator (and elsewhere?)

Published Tuesday November 15th, 2016 | 35 Comments on CMake support in Qt Creator (and elsewhere?)
Posted in Dev Loop, QtCreator | Tags: ,

Kitware released CMake version 3.7 on Friday night. There is one feature mentioned at the very bottom of the feature list that makes this a really exciting release for people writing tools that integrate with CMake: The server-mode. What is CMake server-mode? The Qt Creator team has had contact with the CMake community for a long […]

Read More
Karsten Heimrich

Qt Visual Studio Tools 2.0 Released

Published Friday November 11th, 2016 | 22 Comments on Qt Visual Studio Tools 2.0 Released
Posted in Dev Loop, integration, Labs, Qt, Random, Releases, Uncategorized, upgrading, Visual Studio, Windows

Today we are releasing Qt Visual Studio Tools 2.0. This is mainly a release moving the functionality of the old Visual Studio Add-In to newer versions of Visual Studio. In addition to some minor bug fixes the Qt Visual Studio Tools now support Visual Studio 2013 and Visual Studio 2015. The commercial version of the […]

Read More
Gatis Paeglis

Over-the-Air Updates, Part 3: Repository Configuration and Handling

Published Friday November 11th, 2016 | Comments Off on Over-the-Air Updates, Part 3: Repository Configuration and Handling
Posted in Dev Loop, Embedded

Part one of the blog post series introduced the challenges of implementing an update system. We looked at the OSTree project and how it can help us to bring system update functionality to Qt for Device Creation. The second part demonstrated the tooling and the API that is provided by the Qt OTA Update module. […]

Read More
Get started today with Qt Download now