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41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
2 years ago
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#include "../../lv_examples.h"
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#if LV_USE_BAR && LV_BUILD_EXAMPLES
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static void set_temp(void * bar, int32_t temp)
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{
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lv_bar_set_value(bar, temp, LV_ANIM_ON);
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}
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/**
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* A temperature meter example
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*/
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void lv_example_bar_3(void)
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{
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static lv_style_t style_indic;
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lv_style_init(&style_indic);
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lv_style_set_bg_opa(&style_indic, LV_OPA_COVER);
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lv_style_set_bg_color(&style_indic, lv_palette_main(LV_PALETTE_RED));
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lv_style_set_bg_grad_color(&style_indic, lv_palette_main(LV_PALETTE_BLUE));
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lv_style_set_bg_grad_dir(&style_indic, LV_GRAD_DIR_VER);
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lv_obj_t * bar = lv_bar_create(lv_scr_act());
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lv_obj_add_style(bar, &style_indic, LV_PART_INDICATOR);
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lv_obj_set_size(bar, 20, 200);
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lv_obj_center(bar);
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lv_bar_set_range(bar, -20, 40);
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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_temp);
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lv_anim_set_time(&a, 3000);
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lv_anim_set_playback_time(&a, 3000);
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lv_anim_set_var(&a, bar);
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lv_anim_set_values(&a, -20, 40);
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lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
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lv_anim_start(&a);
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}
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#endif
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