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Drawing graphics on a Debian Stretch platform

  • I have a Variscite DART kit that includes an imx6ul processor and a touch screen. I am having issues rendering graphics so I downloaded an easy example. I downloaded shapedClock example and compiled using QT5. The app's translucent background is not drawing the text behind the analog clock. Does this mean I cannot get a paintEvent callback? Here is a link to the simple shapedclock example. Do I need to install some rendering package. I am using c++. I have a debian login GUI including menu bars and file manager, etc. Can I prove that I have the correct packages to render the background text using my OS (it might be gnome). Maybe I should pick another example that does not use those translucent bit planes on my hardware.

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