Kinetic

Chasing the raspberry pi dragon: OpenGL ES2 accelerated Qt PI

Published Monday October 3rd, 2011 | 18 Comments on Chasing the raspberry pi dragon: OpenGL ES2 accelerated Qt PI
Posted in C++, Embedded, Kinetic, Lighthouse, OpenGL, Performance, Qt Quick

The raspberry pi initiative is very compelling and (forgive me for the hype) just got even more compelling now that we have Qt 5 running with full acceleration on the target. A tagline of “An ARM Linux box for $25. Take a byte!” sums it up rather nicely and should get many a geeks pulse racing. […]

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Trolls In Brazil

Published Tuesday March 16th, 2010 | 5 Comments on Trolls In Brazil
Posted in Embedded, Kinetic, Qt, Qt Quick

Meeting Last week Espen already reported that a group of trolls were attending the Bossa’10 Conference in Manaus. It was a great conference with lots of great people attending and interesting presentations. What is especially good about this conference is that the focus is on networking. It is always good when you get to meet […]

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Upcoming QtCreator support for Qml (or: what is Bauhaus?)

Published Wednesday January 27th, 2010 | 58 Comments on Upcoming QtCreator support for Qml (or: what is Bauhaus?)
Posted in Kinetic, Qt Quick, QtCreator

Declarative UI is one of the big things on the Qt Roadmap for Qt 4.7 and 4.6.x. I already enjoyed working with the Qml language and the developers behind it for quite some time – and believe me, this one will fundamentally change the way slick Qt UIs are designed and look like! If you […]

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Anchor layout joins the family of QGraphicsLayout

Published Thursday November 26th, 2009 | 16 Comments on Anchor layout joins the family of QGraphicsLayout
Posted in Graphics View, Kinetic, Layouts

For a long time the standard layouts shipped with Qt’s have been built around the concepts of linear and grid layouts. In the QLayout regime they are represented as QBoxLayout and QGridLayout. In the QGraphicsLayout regime they are represented as QGraphicsLinearLayout and QGraphicsGridLayout. We therefore started early this year with research on a new layout. […]

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QGraphicsView is a Hummer, Plasma is the luxury version…

Published Tuesday October 27th, 2009 | 10 Comments on QGraphicsView is a Hummer, Plasma is the luxury version…
Posted in Graphics, Graphics Items, Graphics View, KDE, Kinetic, Performance

Do you know the main advantage of a Hummer? It can go pretty much everywhere, that’s why many armies are using it. If I talk about a Hummer it is because QGraphicsView can go pretty much everywhere too. Recently I was lucky enough to get a N900 (generously given by Jesper, don’t know for how […]

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Flippin’ Widgets (Medium Rare, Please)

Published Tuesday June 9th, 2009 | 9 Comments on Flippin’ Widgets (Medium Rare, Please)
Posted in Kinetic, Qt

In Qt 4.6, QGraphicsWidget is gaining some new properties for transforming items: {x,y,z}Rotation, {x,y}Scale, {horizontal,vertical}Shear and transformOrigin, to be specific. How does this fit with the 4.6 master plan, the almighty Qt Kinetic project? Did someone just say “Like a glove! (Ka-bling!)“?! Yes, that sounds about right. Naturally I set out to use and abuse […]

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Eskil Abrahamsen Blomfeldt

Animations and state machine APIs in qt/master

Published Monday May 25th, 2009 | 6 Comments on Animations and state machine APIs in qt/master
Posted in Contributors, Git, Graphics, Kinetic, News, Qt

That’s right. This weekend we integrated the animation and state machine APIs (part of the Qt Kinetic project from the road map) in Qt’s master branch. They were both released as solutions before, and we’ve had a lot of feedback. The APIs have been through a bunch of reviews and iterations, and we’re really really […]

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Layered rendering part 2, it helps solve many problems… :-)

Published Thursday April 23rd, 2009 | 7 Comments on Layered rendering part 2, it helps solve many problems… :-)
Posted in Graphics, Graphics View, KDE, Kinetic, Qt, Uncategorized

As part of Qt 4.5, we added QGraphicsItem::opacity. Which is great! But it doesn’t work as well as it could. We’re receiving a few comments about how this implementation could work better. Trouble is, in Qt 4.5 we only have two ways of rendering: direct, and indirect (“cached”, e.g., ItemCoordinateCache). And in order to apply […]

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Qt Animation Framework 2.3 is out

Published Thursday April 23rd, 2009 | 13 Comments on Qt Animation Framework 2.3 is out
Posted in Graphics, Kinetic

Since I don’t want to take focus away from the 4.5.1 release, I’ll keep this short. We have now released an updated version of the Animation Framework solution. There are not so many visible changes to the animation classes – besides bug fixes we renamed QAbstractAnimation::iterationCount back to QAbstractAnimation::loopCount. (You don’t want to know how […]

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