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feat(meter): remove the option to add multiple scales

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API BREAKING
This commit is contained in:
Gabor Kiss-Vamosi
2022-11-19 08:41:56 +01:00
parent d00dd4b101
commit a218d75409
8 changed files with 280 additions and 307 deletions
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49
examples/widgets/meter/lv_example_meter_3.c
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@@ -8,6 +8,28 @@ static void set_value(void * indic, int32_t v)
lv_meter_set_indicator_end_value(meter, indic, v);
}
static void tick_label_event(lv_event_t * e)
{
lv_obj_draw_part_dsc_t * draw_part_dsc = lv_event_get_draw_part_dsc(e);
/*Be sure it's drawing meter related parts*/
if(draw_part_dsc->class_p != &lv_meter_class) return;
/*Be sure it's drawing the ticks*/
if(draw_part_dsc->type != LV_METER_DRAW_PART_TICK) return;
/*Be sure it's a major ticks*/
if(draw_part_dsc->id % 5) return;
/*The order of numbers on the clock is tricky: 12, 1, 2, 3...*/
if(draw_part_dsc->id == 0) {
lv_strncpy(draw_part_dsc->text, "12", 4);
}
else {
lv_snprintf(draw_part_dsc->text, 4, "%d", draw_part_dsc->id / 5);
}
}
/**
* A clock from a meter
*/
@@ -19,35 +41,32 @@ void lv_example_meter_3(void)
/*Create a scale for the minutes*/
/*61 ticks in a 360 degrees range (the last and the first line overlaps)*/
lv_meter_scale_t * scale_min = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale_min, 61, 1, 10, lv_palette_main(LV_PALETTE_GREY));
lv_meter_set_scale_range(meter, scale_min, 0, 60, 360, 270);
/*Create another scale for the hours. It's only visual and contains only major ticks*/
lv_meter_scale_t * scale_hour = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale_hour, 12, 0, 0, lv_palette_main(LV_PALETTE_GREY)); /*12 ticks*/
lv_meter_set_scale_major_ticks(meter, scale_hour, 1, 2, 20, lv_color_black(), 10); /*Every tick is major*/
lv_meter_set_scale_range(meter, scale_hour, 1, 12, 330, 300); /*[1..12] values in an almost full circle*/
lv_meter_set_scale_ticks(meter, 60, 1, 10, lv_palette_main(LV_PALETTE_GREY));
lv_meter_set_scale_major_ticks(meter, 5, 2, 20, lv_color_black(), 10);
lv_meter_set_scale_range(meter, 0, 59, 354, 270);
LV_IMG_DECLARE(img_hand)
/*Add a the hands from images*/
lv_meter_indicator_t * indic_min = lv_meter_add_needle_img(meter, scale_min, &img_hand, 5, 5);
lv_meter_indicator_t * indic_hour = lv_meter_add_needle_img(meter, scale_min, &img_hand, 5, 5);
lv_meter_indicator_t * indic_min = lv_meter_add_needle_img(meter, &img_hand, 5, 5);
lv_meter_indicator_t * indic_hour = lv_meter_add_needle_img(meter, &img_hand, 5, 5);
lv_obj_add_event_cb(meter, tick_label_event, LV_EVENT_DRAW_PART_BEGIN, NULL);
/*Create an animation to set the value*/
lv_anim_t a;
lv_anim_init(&a);
lv_anim_set_exec_cb(&a, set_value);
lv_anim_set_values(&a, 0, 60);
lv_anim_set_values(&a, 0, 59);
lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
lv_anim_set_time(&a, 2000); /*2 sec for 1 turn of the minute hand (1 hour)*/
lv_anim_set_time(&a, 5000); /*2 sec for 1 turn of the minute hand (1 hour)*/
lv_anim_set_var(&a, indic_min);
lv_anim_start(&a);
lv_anim_set_var(&a, indic_hour);
lv_anim_set_time(&a, 24000); /*24 sec for 1 turn of the hour hand*/
lv_anim_set_values(&a, 0, 60);
lv_anim_set_time(&a, 240000); /*24 sec for 1 turn of the hour hand*/
lv_anim_set_values(&a, 0, 59);
lv_anim_start(&a);
}