Qt Quick

Laszlo Agocs

Qt Graphics with Multiple Displays on Embedded Linux

Published Monday September 19th, 2016 | 8 Comments on Qt Graphics with Multiple Displays on Embedded Linux
Posted in Automotive, Dev Loop, Embedded, Graphics, OpenGL, QPA, Qt Quick

Creating devices with multiple screens is not new to Qt. Those using Qt for Embedded in the Qt 4 times may remember configuration steps like this. The story got significantly more complicated with Qt 5’s focus on hardware accelerated rendering, so now it is time to take a look at where we are today with […]

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Laszlo Agocs

The Qt Quick Graphics Stack in Qt 5.8

Published Monday August 15th, 2016 | 14 Comments on The Qt Quick Graphics Stack in Qt 5.8
Posted in Declarative UI, Dev Loop, Embedded, Graphics, OpenGL, Painting, Qt, Qt Quick, Windows

This is a joint post with Andy. In this series of posts we are going to take a look at some of the upcoming features of Qt 5.8, focusing on Qt Quick. OpenGL… and nothing else? When Qt Quick 2 was made available with the release of Qt 5.0, it came with the limitation that […]

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Thomas Hartmann

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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Thomas Hartmann

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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Mitch Curtis

Qt Quick Controls Re-engineered – Status Update

Published Monday November 23rd, 2015 | 56 Comments on Qt Quick Controls Re-engineered – Status Update
Posted in Dev Loop, Performance, Qt, Qt Quick, Qt Quick Controls

Since announcing research on Qt Quick Controls optimized for embedded use, we’ve made good progress towards achieving feature parity with the original Qt Quick Controls. We’ve also added some new controls that didn’t exist (Drawer, RangeSlider, and SwipeView, to name a few). The previous blog post cited performance reasons as the motivation for having one fixed style. However, we […]

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Morten Johan Sørvig

Qt for Native Client (and emscripten)

Published Friday September 25th, 2015 | 15 Comments on Qt for Native Client (and emscripten)
Posted in Qt, Qt Quick

Qt for Native client has been in development for a while, and I’m pleased to announce that the project again has reached working status: running Qt applications (Qt Widgets and Qt Quick) sandboxed in the Chrome browser. In this post I’ll talk about the background of native code on the web and how to get […]

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Laszlo Agocs

Integrating custom OpenGL rendering with Qt Quick via QQuickFramebufferObject

Published Monday May 11th, 2015 | 7 Comments on Integrating custom OpenGL rendering with Qt Quick via QQuickFramebufferObject
Posted in C++, Embedded, Graphics, OpenGL, Qt Quick

Integrating custom OpenGL rendering code, for example to show 3D models, with Qt Quick is a popular topic with Qt users. With the release of Qt 5.0 the standard approach was to use the beforeRendering and afterRendering signals to issue the custom OpenGL commands before or after the rendering of the rest of the scene, […]

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Laszlo Agocs

Qt Quick with the power of OpenCL on Embedded Linux devices

Published Monday April 20th, 2015 | 9 Comments on Qt Quick with the power of OpenCL on Embedded Linux devices
Posted in C++, Embedded, Graphics, Multimedia, OpenGL, Qt Quick

Many Qt users encounter a need to integrate GPU compute solutions into their Qt-based applications. What is more, with the advent of compute API implementations and powerful GPUs on embedded devices, using OpenCL or CUDA on an Embedded Linux device is a reality now. In a previous post we looked at NVIDIA’s Jetson TK1 board […]

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Laszlo Agocs

Introducing video filters in Qt Multimedia

Published Friday March 20th, 2015 | 15 Comments on Introducing video filters in Qt Multimedia
Posted in Graphics, Multimedia, OpenGL, Qt Quick

Qt Multimedia makes it very easy to get a video stream from the camera or a video file rendered as part of your application’s Qt Quick scene. What is more, its modularized backend and video node plugin system allows to provide hardware accelerated, zero copy solutions on platforms where such an option is available. All […]

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Laszlo Agocs

Qt Weekly #21: Dynamic OpenGL implementation loading in Qt 5.4

Published Thursday November 27th, 2014 | 15 Comments on Qt Weekly #21: Dynamic OpenGL implementation loading in Qt 5.4
Posted in Graphics, OpenGL, Qt Quick, Windows

In Qt 5.4 there is a new configure option on Windows: -opengl dynamic. This, in addition to -opengl desktop and -opengl es2, changes the OpenGL implementation (and implicitly the window system interface API) that Qt is built against. However, unlike the previously existing flags, dynamic is something different. Enabling it ensures that neither the Qt […]

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