Bar doesn't display anything if value is under 1.0 and radius not effecting bar

[zagi988]

Describe the bug

If I make a "bar" object and set it min:0, max:5 and have a value of 0.00<>0.99, nothing is displayed. 1.0> already jumps to the right part of the bar. Also, when "radius" is applied to "bar", only it's background gets the corners, value bar stays with pill shape.

To Reproduce

{"page":1,"id":72,"obj":"bar","x":15,"y":430,"w":185,"h":30,"min":0,"max":5,"radius":5}

Expected behavior

Bar to display the proper value even for values under 1.0 and value bar to adopt the shape of background.

Screenshots or video

[zagi988]

Ok, just figured that I need to set "radius10" for radius. At least that isn't a bug.

[fvanroie]

min, max, val and start_value are all int16 so you can't use floating point numbers.

[zagi988]

I don't understand. How can I use floating point number for amperage and can't use it for power?
What is the difference?

[fvanroie]

You shouldn't use floating point in any case, the result is undefined. Use Round to make the number an integer so it is interpreted correctly.

If you want more then 5 steps for the Amperage, you can multiply by a fixed number (e.g. 10 or 20) frist before rounding the result. Also adjust the max in that case by the same factor.

[zagi988]

So wait, if I got it right, what you are telling me is that I shouldn't have any .something values?
Like, I can't have any bar display something that is let's say 23.4, I must round it to 23?

[fvanroie]

23.4 is not an integer, 23 is... LVGL only support integer values.
If you want to show 23.4, then multiply by 10 before rounding to get 234. But you must multiply your max value also by 10.

[zagi988]

aaaaa, I understand now. Thanks!

[fvanroie]

No problem, you're welcome.

[zagi988]

We still have the problem of radius not affecting the bar in bar. Only bar background gets changed.

[fvanroie]

Show your jsonl and screenshot please. Did you use radius10 as indicated above?

[fvanroie]

Is this still an issue? Please let me know.