Burkhard on Qt Embedded Systems: No. 11

The October issue of my newsletter went out to 242 people. Please sign up here, if you want to enjoy the full contents. The last three episodes are complimentary for your sign-up. Here is the table of contents of Episode 11 (October 2020). My Blog Posts Book Review: “A Philosophy of Software Design” by John...

CppDepend: A C++ Dependency Analyser

I evaluated the dependency analyser CppDepend on a real-life embedded application. My goal was to find all dependency cycles between classes in the application. I know that the application contains 50+ dependency cycles. CppDepend only found less than 10% of the cycles. Without rewriting the the source code, CppDepend would have found no cycles...

Less Love for FOSS Qt Users

From Qt 5.15, The Qt Company make their offering a bit more inconvenient for FOSS users. They announced three changes: A Qt account is mandatory to download binary Qt packages. The offline installer is not available to FOSS users any more. LTS (long-term support) releases are not available to FOSS users, once the next...

Detecting Overdraw in QML HMIs with GammaRay

Overdraw happens when one QML item fully eclipses another QML item. The QML renderer always draws both items, although there is no need to draw the eclipsed item. You must help out the renderer by explicitly setting visible: false on the eclipsed item. On embedded systems, heavy overdraw makes animations or flicking jerky. In...

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