1 #include "../../lv_examples.h"
2 #if LV_USE_METER && LV_BUILD_EXAMPLES
3
4 /**
5 * Create a pie chart
6 */
lv_example_meter_4(void)7 void lv_example_meter_4(void)
8 {
9 lv_obj_t * meter = lv_meter_create(lv_scr_act());
10
11 /*Remove the background and the circle from the middle*/
12 lv_obj_remove_style(meter, NULL, LV_PART_MAIN);
13 lv_obj_remove_style(meter, NULL, LV_PART_INDICATOR);
14
15 lv_obj_set_size(meter, 200, 200);
16 lv_obj_center(meter);
17
18 /*Add a scale first with no ticks.*/
19 lv_meter_scale_t * scale = lv_meter_add_scale(meter);
20 lv_meter_set_scale_ticks(meter, scale, 0, 0, 0, lv_color_black());
21 lv_meter_set_scale_range(meter, scale, 0, 100, 360, 0);
22
23 /*Add a three arc indicator*/
24 lv_coord_t indic_w = 100;
25 lv_meter_indicator_t * indic1 = lv_meter_add_arc(meter, scale, indic_w, lv_palette_main(LV_PALETTE_ORANGE), 0);
26 lv_meter_set_indicator_start_value(meter, indic1, 0);
27 lv_meter_set_indicator_end_value(meter, indic1, 40);
28
29 lv_meter_indicator_t * indic2 = lv_meter_add_arc(meter, scale, indic_w, lv_palette_main(LV_PALETTE_YELLOW), 0);
30 lv_meter_set_indicator_start_value(meter, indic2, 40); /*Start from the previous*/
31 lv_meter_set_indicator_end_value(meter, indic2, 80);
32
33 lv_meter_indicator_t * indic3 = lv_meter_add_arc(meter, scale, indic_w, lv_palette_main(LV_PALETTE_DEEP_ORANGE), 0);
34 lv_meter_set_indicator_start_value(meter, indic3, 80); /*Start from the previous*/
35 lv_meter_set_indicator_end_value(meter, indic3, 100);
36 }
37
38 #endif
39
