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61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
#include "../../lv_examples.h"
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#if LV_USE_METER && LV_BUILD_EXAMPLES
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static lv_obj_t * meter;
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static void set_value(void * indic, int32_t v)
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{
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lv_meter_set_indicator_end_value(meter, indic, v);
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}
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/**
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* A meter with multiple arcs
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*/
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void lv_example_meter_2(void)
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{
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meter = lv_meter_create(lv_scr_act());
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lv_obj_center(meter);
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lv_obj_set_size(meter, 200, 200);
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/*Remove the circle from the middle*/
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lv_obj_remove_style(meter, NULL, LV_PART_INDICATOR);
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/*Add a scale first*/
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lv_meter_scale_t * scale = lv_meter_add_scale(meter);
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lv_meter_set_scale_ticks(meter, scale, 11, 2, 10, lv_palette_main(LV_PALETTE_GREY));
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lv_meter_set_scale_major_ticks(meter, scale, 1, 2, 30, lv_color_hex3(0xeee), 15);
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lv_meter_set_scale_range(meter, scale, 0, 100, 270, 90);
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/*Add a three arc indicator*/
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lv_meter_indicator_t * indic1 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_RED), 0);
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lv_meter_indicator_t * indic2 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_GREEN), -10);
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lv_meter_indicator_t * indic3 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_BLUE), -20);
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/*Create an animation to set the value*/
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lv_anim_t a;
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lv_anim_init(&a);
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lv_anim_set_exec_cb(&a, set_value);
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lv_anim_set_values(&a, 0, 100);
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lv_anim_set_repeat_delay(&a, 100);
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lv_anim_set_playback_delay(&a, 100);
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lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
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lv_anim_set_time(&a, 2000);
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lv_anim_set_playback_time(&a, 500);
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lv_anim_set_var(&a, indic1);
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lv_anim_start(&a);
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lv_anim_set_time(&a, 1000);
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lv_anim_set_playback_time(&a, 1000);
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lv_anim_set_var(&a, indic2);
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lv_anim_start(&a);
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lv_anim_set_time(&a, 1000);
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lv_anim_set_playback_time(&a, 2000);
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lv_anim_set_var(&a, indic3);
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lv_anim_start(&a);
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}
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#endif
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