lv_draw_arc_get_area() function

Get an area the should be invalidated when the arcs angle changed between start_angle and end_ange

Syntax

Show:

Summary

Declaration

Definition

void lv_draw_arc_get_area(lv_coord_t x, lv_coord_t y, uint16_t radius, uint16_t start_angle, uint16_t end_angle, lv_coord_t w, bool rounded, lv_area_t * area);

Argument

Description

the x coordinate of the center of the arc

the y coordinate of the center of the arc

radius

the radius of the arc

start_angle

the start angle of the arc (0 deg on the bottom, 90 deg on the right)

end_angle

the end angle of the arc

width of the arc

rounded

true: the arc is rounded

area

store the area to invalidate here

from examples