acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_example_meter_4.c (1489B)
      1 #include "../../lv_examples.h"
      2 #if LV_USE_METER && LV_BUILD_EXAMPLES
      3 
      4 /**
      5  * Create a pie chart
      6  */
      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