Qt Quick

Laszlo Agocs

Get Started with Qt 3D Studio 2.0 beta 1

Published Friday May 18th, 2018 | 4 Comments on Get Started with Qt 3D Studio 2.0 beta 1
Posted in Dev Loop, Qt 3D, Qt 3D Studio, Qt Quick

Now that the beta 1 release of Qt 3D Studio 2.0 is out, let’s go through the steps involved in trying it out for real. Pre-built runtime binaries As outlined in last year’s post, the runtime component of Qt 3D Studio has undergone significant changes. This means that the Viewer application that is launched whenever […]

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Eirik Aavitsland

Compressed Textures in Qt 5.11

Published Monday May 7th, 2018 | 8 Comments on Compressed Textures in Qt 5.11
Posted in Embedded, OpenGL, Qt Quick, Qt Quick 2, Uncategorized | Tags: ,

As modern user interfaces become ever more graphics intensive, the demands on graphics memory to hold the textures increase. This is particularly relevant for embedded systems, where resources come at a higher premium, and can be a challenge for system performance. One of the key remedies for this is to reduce the memory requirements of the […]

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Tuukka Turunen

Qt Quick Performance Improvements on 64-bit ARM

Published Tuesday April 24th, 2018 | 5 Comments on Qt Quick Performance Improvements on 64-bit ARM
Posted in Biz Circuit & Dev Loop, Performance, Qt Quick

One of our major goals for Qt 5.9 LTS was to improve the performance and memory consumption compared to our previous long-term-support release Qt 5.6 LTS. In this blog post, I want to highlight the performance increase in modern embedded processors that support the 64-bit ARMv8 instruction set. The result: Today, QML performance is almost […]

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Mitch Curtis

Slate: A Basic Pixel Art Editor Built with Qt Quick

Published Tuesday March 6th, 2018 | 14 Comments on Slate: A Basic Pixel Art Editor Built with Qt Quick
Posted in C++, cross-platform, desktop, Qt Quick, Qt Quick Controls

I loved video games as a kid. Pokémon Blue and Wario Land on GameBoy. On the SNES I played SimCity, The Lost Vikings, Cannon Fodder, Super Mario World, Axelay… probably more that I can’t remember. Then there were the old Windows 95 games on PC, PlayStation, Xbox… ah, good times. Video games were the reason […]

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Shawn Rutledge

Say hello to Qt Quick Pointer Handlers

Published Thursday November 23rd, 2017 | 20 Comments on Say hello to Qt Quick Pointer Handlers
Posted in Declarative UI, Dev Loop, Gesture Recognizers, Labs, Qt Quick | Tags: , , , ,

We’ve known for several years that our multi-touch support in Qt Quick has been inadequate for many use cases.  We have PinchArea, to handle two-finger scaling, rotation and dragging; and MultiPointTouchArea, which can at least be used to show some sort of interactive feedback for the touchpoints, or maybe you could write a little state […]

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Jesús Fernández

Qt WebGL: Cinematic Experience

Published Tuesday November 14th, 2017 | 16 Comments on Qt WebGL: Cinematic Experience
Posted in Dev Loop, Qt Quick | Tags: , , ,

Following the previous blog posts related to the Qt WebGL plug-in development updates, we have some features to show. As a quick recap: Qt WebGL QPA plug-in is a new platform plug-in which will allow your Qt Quick applications to be streamed and ran directly into the browser using streaming of OpenGL calls and rendered […]

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Stefan Larndorfer

QML vs. HTML5

Published Friday July 28th, 2017 | 16 Comments on QML vs. HTML5
Posted in Automotive, Biz Circuit & Dev Loop, C++, cross-platform, Declarative UI, Design, effectiveness, efficiency, Embedded, Embedded World, framework, Guest Blog, HTML vs Qt, Internet of Things, OpenGL, Performance, QML 을 시작합시다., Qt, Qt Quick, Qt Quick 2, Qt Quick 2.0, Qt Quick Controls, UI

Guest post by Stefan Larndorfer at sequality Mobile devices have set the standard in terms of responsiveness and user-friendliness for HMIs across industries. Manufacturers of cars, medical equipment, industrial automation systems and consumer electronics now want to replicate this great user experience for their embedded devices. To find out which technology strategy we should select we […]

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Laszlo Agocs

Let There Be Shapes!

Published Friday July 7th, 2017 | 11 Comments on Let There Be Shapes!
Posted in Declarative UI, Dev Loop, Graphics, OpenGL, Painting, Qt Quick, UI

One of the new features of the upcoming Qt 5.10 is the introduction of the shapes plugin to Qt Quick. This allows adding stroked and filled paths composed of lines, quadratic curves, cubic curves, and arcs into Qt Quick scenes. While this has always been possible to achieve via QQuickPaintedItem or the Canvas type, the […]

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Jesús Fernández

Qt WebGL Streaming merged

Published Friday July 7th, 2017 | 54 Comments on Qt WebGL Streaming merged
Posted in Dev Loop, OpenGL, QPA, Qt, Qt Quick, Qt Quick 2, Qt Quick Controls | Tags: , , ,

Some time ago I published a couple of blog posts talking about Qt WebGL Streaming plugin. The time has come, and the plugin is finally merged into the Qt repository. In the meantime, I worked on stabilization, performance and reducing the calls sent over the network. It also changed a bit in the way the […]

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