Graphics Items

The future continued

Published Friday April 9th, 2010 | 16 Comments on The future continued
Posted in Graphics Items, Qt, Qt Quick

Proof Of Life As mentioned in previous blog posts, we are currently playing around with ideas for a new widget architecture. While I was in Brazil, I spent some time working with guys at INdT in Recife. We decided to put together a proof-of-concept demo. QML application using styled components. Hey Good Lookin’ The idea […]

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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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Widgets enter the third dimension: WolfenQt

Published Tuesday December 2nd, 2008 | 40 Comments on Widgets enter the third dimension: WolfenQt
Posted in Graphics Dojo, Graphics Items, Graphics View, KDE, Labs, Qt, Qt Concurrent, Qt Script, WebKit

Some people have been asking how to embed Qt painted content (and especially Qt widgets) in a 3d scene. As I’ve been wanting to do this ever since we added QTransform supporting fully projective transformations, I sat down and wrote a small example demonstrating these capabilities. With no further delay, I present WolfenQt: Here’s a […]

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Accelerate your widgets with OpenGL

Published Friday June 27th, 2008 | 11 Comments on Accelerate your widgets with OpenGL
Posted in Graphics Dojo, Graphics Items, Graphics View, Qt

To breathe some new life into the graphics dojo, here’s an example of how to put widgets on top of an OpenGL scene using QGraphicsView. By leveraging the synergy (tounge in cheek) of the OpenGL module and graphics view’s in 4.4 new widget capabilities, the long lacking feature of putting widgets in OpenGL becomes possible. […]

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Widgets On The Canvas Integrated

Published Thursday November 22nd, 2007 | 16 Comments on Widgets On The Canvas Integrated
Posted in Graphics Items, Graphics View, KDE, Labs, Qt

The day has finally arrived. We are proud to announce that we have now integrated our development branch for the Widgets On The Canvas project into Qt/main, or what will become Qt 4.4. You have already seen a random selection of screenshots and feature rundowns in previous blogs, but now it’s all in your hands […]

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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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