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Posts about Qt, for feeds like planetqt and planetkde

A tale of 2 curves Or the complexity simplicity requires.

As my first subject for this animation blog series, we will be taking a look at Animation curves.

Curves, or better, easing curves, is one of the first concepts we are exposed to when dealing with the subject of animation in the QML space.

What are they?

Well, in simplistic terms, they are a description of an X position over a Time axis that starts in (0 , 0) and ends in (1 , 1). These curves are …

GammaRay 2.8.0 Release

We have released version 2.8.0 of our Qt application introspection tool GammaRay. GammaRay allows you to observe behavior and data structures of Qt code inside your program live at runtime.

A big focus in this release is improvements to the Qt Quick inspector, which gained layout helper grids and Qt Quick Controls 2 tracing, as well as initial support for the software renderer. We have also optimized the performance of the remote view, which previously managed to saturate a …

Creating PDF/A documents with Qt

As there were some complex issues around conformity in PDF document creation within Qt, KDAB let me spend some time digging into it so we could make sure that Qt’s PDF engine generates documents up to ISO-standard.

Nowadays, many official institutions have the requirement to archive their data digitally and PDF is a first class citizen for this purpose. However, since the overall PDF standard is too complex, to guarantee that PDF documents can be rendered in their entirety in

KDAB contributions to Qt 5.9

Qt 5.9 has just been released!

This release marks two important milestones for the Qt Project. The first is that now the Qt 5 series has had more releases than any other Qt version ever (the last release of the Qt 4 series was Qt 4.8). The second milestone is that Qt 5.9 will be a Long Term Support release, therefore providing to many users a stable foundation to build their applications upon.

KDAB has been a significant contributor to …

What makes for good animation?

In the beginning there was …

 

That’s how things start, right? And in the beginning there were punch cards. The UI was rudimentary direct machine language, so we could say there was no UI. So let there be light!

In very simplistic terms that was a screen where one could type text (using a keyboard) and see the same text on the screen … maybe get some feedback on the results of a command. And let the animation begin!

Ci vediamo a QtDay 2017?

With an apology to English-speaking audiences 🙂

Anche quest’anno KDAB partecipa a QtDay, la conferenza italiana interamente dedicata a Qt. Giunta oramai alla sua sesta edizione, QtDay continua a crescere. Quest’anno QtDay si articola in 3 giorni: il primo dedicato a un training su QML, seguito da due giorni di conferenza vera e propria.

Durante la conferenza terrò due interventi:

  • Venerdì 23 giugno parteciperò ad una tavola rotonda sul come contribuire allo sviluppo di Qt;
  • Sabato 24 giugno

Training in Foss Compliance

On June 23rd 2017, there’s a new, one day training in our Berlin facility, this time in German.

Training in FOSS Compliance will be available, in English, in Berlin and other locations later this year. More on that below, in English. Meanwhile, since our first open-enrolment training to help you with the complex issues around compliance is in German…….

Der Begriff Corporate Compliance ist seit einigen Jahren in den Fokus der Öffentlichkeit gerückt, aber wenige Unternehmen wissen bislang um die

Ci vediamo alla Italian C++ Conference 2017?

(English speaking? Keep reading!)

Il prossimo Giugno parteciperò all’Italian C++ Conference 2017, la più importante conferenza italiana sul C++, sponsorizzata da KDAB.

L’evento è gratuito e si rivolge tanto ai programmatori esperti di C++ quanto a chi voglia avvicinarsi a questo linguaggio. L’edizione di quest’anno prevede due tracce, di cui una completamente in inglese, con ospiti internazionali d’eccezione: Phil Nash, Jens Weller, Bartosz Milewski e Dietmar Kühl.

L’appuntamento è per Sabato 17 …

Corso di Qt/QML per Embedded a Milano, settembre 2017

KDAB è lieta di annunciare una data italiana per il corso Programmazione Qt/QML per sistemi embedded, che si svolgerà a Milano dal 12 al 14 settembre 2017.

Qt è un application framework moderno e ricco di funzionalità, utilizzato per realizzare applicazioni cross-platform per sistemi embedded, mobile e desktop. Qt è usato da oltre 800.000 sviluppatori in tutto il mondo per creare interfacce di domotica e home automation; sistemi di in-vehicle infotainment (IVI); pannelli di controllo industriale; applicazioni desktop …

KDAB trainings at CppCon 2017

Registrations for CppCon 2017 have just opened!

CppCon is the annual conference for the C++ community: five days packed with amazing talks, inspiring keynotes, panel discussions, hallway chats, funny evening events and much more.

CppCon is a project of the Standard C++ Foundation, a not-for-profit organization whose purpose is to support the C++ software developer community and promote the understanding and use of modern, standard C++ on all compilers and platforms.

This year KDAB is proud to be hosting

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