24.05.2016 
To get you started on this, we’ll be using KDAB’s Android utils with the humble Toast. Toasts are small popups which are used to show the user some feedback. Check Google’s API guide for more info about toasts. The easiest way to show a toast is to use Toast.makeText(Context context, CharSequence text, int duration) static […]
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QRegion will be iterable in Qt 5.8 - seamless integration with C++11 range-for
A novel solution to an old problem The QRegion class specifies a clip region for a painter. You can also query a QPaintEvent for the region() to limit the paint operations necessary in partial repaints. A region can be anything from a simple rectangle to a bitmap mask, but virtually all code that inspects a […]
Qt on Android: How to convert Qt images to Android Images and vice-versa
Sometimes we need to exchange images from Android world to Qt world and vice-versa, therefore in this article we’re going to see how to convert a QImage to an Android Bitmap and how to convert an Android bitmap and an Android Drawable into a QImage. To get access to Android Bitmap data & info we’re […]
Physically Based Rendering (PBR) in 10 minutes Understanding a new rendering model for realistic and consistent graphics
If you happened to be at the NVIDIA GTC conference last week, you may have seen a Qt demo we developed showing a Dodge Viper in the Toradex booth. If that Viper looked especially cool, that’s partially because it was displayed using Physically Based Rendering (PBR). Alright… what exactly is PBR, and can I use it in my […]
Windows Dressing The Abbreviated Guide to Running Qt on Embedded Windows
Microsoft Windows has a long history of embedded operating systems going back to 1996, branded as Windows Embedded Compact, Windows Embedded CE, Windows CE, Windows Compact, Windows Phone, Windows Runtime, and an assortment of others. One of these fine platforms might even form the basis of your embedded product. Trouble is, with the shiny new […]
Qt on Android: How to create a zero-copy Android SurfaceTexture QML item
Motivation: Android SurfaceTexture is used by all Android classes that need to display (a lot of) frames, it can be used to display media player, camera, etc. You can also use it in combination with other players: OpenMAX, VLC, etc. (well, VLC and other C++ player are using MediaCodec) to decode the images directly to […]
KDAB contributions to Qt 5.6
Qt 5.6 has just been released! Packed with incredible new features, 5.6 is also the first long term support release of Qt: it will be supported for the next 3 years, giving developers a solid foundation for their current and upcoming projects. Once more, KDAB is confirmed to be the largest independent contributor to Qt, […]
KDSoap 1.5.0 released - a web service access package for Qt applications
KDSoap is a tool for creating client applications for web services without the need for any further component such as a dedicated web server. KDSoap lets you interact with applications which have APIs that can be exported as SOAP objects. The web service then provides a machine-accessible interface to its functionality via HTTP. You can […]
Debugging and Profiling Qt development with Milian Wolff - get up to speed with the latest Qt debugging performance tools
May 18th 2016 at our Berlin Training Facility In this training you will learn how to: • find, test and fix a host of performance issues • choose the right tool, run it and interpret complex results • use advanced tools aided by Milian’s deep technical knowledge. Course Contents • The course covers the critical tools […]
KD Chart 2.6.0 released
KD Chart 2.6.0 is a maintenance release with a limited number of new features. This release publishes feature additions and bugfixes since KD Chart 2.5.1. KDAB continues to offer a commercial license without flat fee support for KD Chart. Features: – Code updated to compile with Qt 5.6 – Optional line breaking for horizontal legends […]