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feat(arc): add knob offset utility (#3589)

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Co-authored-by: tvanfossen <vanfosst@gmail.com>
Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
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tvanfossen-bissell
2022-08-31 16:59:30 -04:00
committed by GitHub
parent 46f7384320
commit 5c71bc1434
3 changed files with 36 additions and 2 deletions
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docs/widgets/arc.md
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@@ -41,6 +41,10 @@ The mode can be set by `lv_arc_set_mode(arc, LV_ARC_MODE_...)` and used only if
If the arc is pressed the current value will set with a limited speed according to the set *change rate*.
The change rate is defined in degree/second unit and can be set with `lv_arc_set_change_rage(arc, rate)`
### Knob offset
Changing the knob offset allows the location of the knob to be moved relative to the end of the arc
The knob offset can be set by `lv_arc_set_knob_offset(arc, offset_angle)`, will only be visible if LV_PART_KNOB is visible
### Setting the indicator manually
It's also possible to set the angles of the indicator arc directly with `lv_arc_set_angles(arc, start_angle, end_angle)` function or `lv_arc_set_start/end_angle(arc, start_angle)`.