By Andreas Aardal Hanssen

Thoughts about graphics performance

Published Wednesday September 5th, 2007 | 17 Comments on Thoughts about graphics performance
Posted in Graphics View, KDE, Qt

Ah, performance. Today we had yet another discussion about how to make Qt even faster, preferably all over the place. Generally, we feel that resources spent on hunting down performance problems are resources well spent. But we’re (surprisingly?) not a huge lot of people working on Qt’s 1000000 lines of code, and many of us […]

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Java GUI developers, suffer no more ;-)

Published Monday August 13th, 2007 | 6 Comments on Java GUI developers, suffer no more ;-)
Posted in Graphics View, Qt, Qt Jambi

I wrote my first Jambi program today (That’s Qt for Java, btw). I admit to being one hard core C++ developer, but having nothing against Java as a language… as opposed to its horrible APIs. Which is also why I’ve shyed away from Qt Jambi, making little sarcastic remarks to those of my colleagues that […]

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Dialogs on the Canvas

Published Wednesday June 6th, 2007 | 9 Comments on Dialogs on the Canvas
Posted in Graphics View, KDE, Labs, Qt

With 4.3.0 released, it’s finally time to get back to maintenance and research again. It’s been both an exciting and exhausting release, and mostly we’re all very happy with the way things have gone. There’s certainly something special about features you spent so much time working on, popping up as topics in forums here and […]

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Graphics View with layouts and widgets?

Published Monday April 2nd, 2007 | 1 Comment on Graphics View with layouts and widgets?
Posted in Graphics View, Labs, Qt

On the way to work today, on the train, I thought about how I can make this Monday the best possible. There’s a lot of stuff going on, and the art of getting Monday morning right sounded very appealing. So here I am; I’ve put on the Katamari soundtrack, wearing big earphones, sipping coffee and […]

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Resolution independent UIs

Published Friday March 16th, 2007 | 4 Comments on Resolution independent UIs
Posted in Graphics View, Labs, Qt

After my last Graphics View blog about Widgets on the Canvas, people have been contacting me and telling how much they really really want true widgets on the canvas, with full transformations support. Resolution independent user interfaces, now that’s something very many drool over, especially the idea of not having to worry about pixel sizes […]

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QGraphicsView: Widgets on the Canvas

Published Friday March 9th, 2007 | 10 Comments on QGraphicsView: Widgets on the Canvas
Posted in Graphics Items, Graphics View, Labs, Qt

Items or widgets? QGraphicsItem or QWidget? Which should I choose? Can you do everything with both? Mostly. You can write a games board widget, or a games board scene. An audio spectrum widget, or an audio spectrum item. Is QWidget faster? It can be, especially for simple widgets, and if you do everything right and […]

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Perspective transformations on a QGraphicsView

Published Thursday March 1st, 2007 | 7 Comments on Perspective transformations on a QGraphicsView
Posted in Graphics Items, Graphics View, Labs, Qt

I don’t have much to say this time, just wanted to share a screenshot after I changed the 40000 Chips demo a bit. I replaced the single horizontal rotation-slider with three ones, each controlling one axis or rotation for the view. QTransform is really easy to use, and with some twiddling (thumb up, pointing finger […]

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