Using BOX Element with rounded corners enclosing other UI Elements make App unusable

[Pconti31]

I'm currently working on GUIslice API theme support within the Builder. Doing so I tried to use rounded corners for boxes with some themes. Here is an example using our ex04 with a Material Dark theme

When I run this application the display flickers wildly. Making the app unusable.

Simply changing to square corners for the enclosing gray box like so

Allows the app to run perfectly. Of course, the work-around is to simply always to use square corners. I should also point out that with some color themes like my Solarized some control also disappear so its more than flicker that is at issue here.

Attached is a zip of my broken sample and it includes a file called ex04_bld_ctrls.ino.works.txt which removes the rounded corner command allowing the app to run correctly.
ex04_bld_ctrls.zip

Paul--

Device hardware

• MCU ATmega2560 and ESP32
• Display with Adafruit ILI9341 2.8" and Adafruit HX8357 3.5"