Qt Quick 2

Alex Blasche

Qt QML Performance improvements in Qt 5.8.0

Published Wednesday March 8th, 2017 | 9 Comments on Qt QML Performance improvements in Qt 5.8.0
Posted in Performance, Qt Quick 2, Qt Quick Controls

Qt 5.8 benefited from significant performance efforts in Qt QML.  Some of us spent our entire time figuring out why things are slow and what could be done. This is a continued effort that pretty much started with the first Qt QML release and I don’t think will ever stop.  After a bit of deliberation […]

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Jesús Fernández

Qt Quick WebGL Streaming

Published Wednesday February 22nd, 2017 | 61 Comments on Qt Quick WebGL Streaming
Posted in Dev Loop, Qt Quick 2, WebGL

WebGL Streaming is optimized for Qt Quick and allows you to run remote Qt Quick applications in a browser. I’m working on a platform plugin to run remote applications in your browser, using OpenGL command streaming. When the remote application runs using this new platform plugin, the application will create a lightweight web server. When […]

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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.

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Maurice Kalinowski

Status Update on Qt for WinRT / UWP

Published Friday July 1st, 2016 | 1 Comment on Status Update on Qt for WinRT / UWP
Posted in cross-platform, desktop, Dev Loop, Embedded, Mobile, Qt Bluetooth, Qt Quick 2, Windows, WinRT | Tags: , , , , , , , , , , , ,

It has been a long while since we were writing on this blog about the WinRT port of Qt. Hence, this is going to be a longer article on what we achieved in the meanwhile, are currently working on, and what we will provide in future releases.

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More of Qt Quick Designer and Qt Quick Controls 2

Published Monday June 6th, 2016 | 10 Comments on More of Qt Quick Designer and Qt Quick Controls 2
Posted in Qt Quick, Qt Quick 2, Qt Quick Controls, QtCreator

Qt Creator 4.0 is now released and since so many of you asked for it, we now publish the full uncut video that shows how to create the UI of a simple home automation application using the new Qt Quick 2 Controls. The resulting demo application is available here: Smart Home Demo Application To use […]

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Qt Quick Designer and Qt Quick Controls 2

Published Tuesday April 26th, 2016 | 10 Comments on Qt Quick Designer and Qt Quick Controls 2
Posted in Qt Quick, Qt Quick 2, Qt Quick 2.0, Qt Quick Controls, QtCreator

Qt 5.6 introduced the Qt Quick Controls 2 and they are already integrated in the upcoming release of Qt Creator 4.0. We took this as a reason to create a video that shows how the new controls can be used to build a UI easily using Qt Creator and the integrated Qt Quick Designer. The […]

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Laszlo Agocs

Qt 5.5, computer vision, and the Nitrogen6X

Published Thursday June 4th, 2015 | 3 Comments on Qt 5.5, computer vision, and the Nitrogen6X
Posted in Embedded, Graphics, Multimedia, Qt Quick 2

In a previous post we have introduced one of the many new features of the upcoming Qt 5.5: the ability to easily integrate image processing and vision algorithms with camera and video streams via Qt Multimedia. It is now time to see the briefly mentioned OpenCV-based example in more detail. Nitrogen6X is a single board […]

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Andy Nichols (nezticle)

Introducing the Qt Quick 2D Renderer

Published Thursday January 22nd, 2015 | 11 Comments on Introducing the Qt Quick 2D Renderer
Posted in Embedded, OpenGL, Qt Quick 2

When Qt Quick 2 was introduced with the release of Qt 5.0, it came with a minimum requirement of either OpenGL 2.0 or OpenGL ES 2.0.  For desktop and mobile platforms this is usually not an issue, and when it is for example on Windows, it is now fairly easy to use an OpenGL software rasteriser as […]

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News from the Qt WebEngine Team

Published Tuesday May 13th, 2014 | 22 Comments on News from the Qt WebEngine Team
Posted in desktop, Embedded, Qt, Qt Quick, Qt Quick 2, Qt WebEngine | Tags: , , ,

It has been a while since our last blog post and we would like to provide a short summary of our work and our future plans. In the meantime, we have added several interesting features such as support for WebRTC or the system clipboard. We added support for Tooltips and Find Text to the Widgets […]

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Leena Miettinen

Qt Weekly #9: Creating Scalable Qt Quick Apps

Published Friday May 9th, 2014 | 8 Comments on Qt Weekly #9: Creating Scalable Qt Quick Apps
Posted in Declarative UI, Qt Quick 2

Qt Quick contains features that enable you to develop apps that can run on different types of devices, such as tablets and handsets. In particular, the apps can cope with different screen configurations: size, density, orientation, resolution, and aspect ratio. To implement scalable applications using Qt Quick:

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