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feat(arc_label): support text offset

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Benign X
2025-01-16 18:12:58 +08:00
committed by Felipe Neves
parent 33bb46fcac
commit fc83651c0f
1 changed files with 14 additions and 6 deletions
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src/widgets/arc_label/lv_arc_label.c
+14 -6
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@@ -32,6 +32,8 @@
#define MY_CLASS (&lv_arc_label_class)
#define LV_ARC_LABEL_DEBUG 0
/**********************
* TYPEDEFS
**********************/
@@ -394,13 +396,17 @@ static void arc_label_draw_main(lv_event_t * e)
break;
}
const int32_t offset = arc_label->offset;
const int32_t angle_offset = offset / M_PI * 180 / arc_r;
switch(arc_label->text_align_h) {
case LV_ARC_LABEL_TEXT_ALIGN_LEADING:
angle_start = 0;
angle_start = angle_offset;
break;
case LV_ARC_LABEL_TEXT_ALIGN_CENTER:
angle_start = (arc_label->angle_size - calc_arc_text_total_angle(arc_label->text, font, arc_r, arc_label->angle_size,
letter_space)) / 2;
angle_start = (arc_label->angle_size + angle_offset - calc_arc_text_total_angle(arc_label->text, font, arc_r,
arc_label->angle_size,
letter_space)) / 2;
break;
case LV_ARC_LABEL_TEXT_ALIGN_TRAILING:
angle_start = arc_label->angle_size - calc_arc_text_total_angle(arc_label->text, font, arc_r, arc_label->angle_size,
@@ -424,11 +430,13 @@ static void arc_label_draw_main(lv_event_t * e)
if(processed_word_count > 0) {
const lv_value_precise_t arc_offset = (prev_letter_w + letter_w + letter_space) / (lv_value_precise_t)2;
curr_total_arc_length += arc_offset;
if(curr_total_arc_length > total_arc_length) {
break;
}
}
const lv_value_precise_t curr_angle = arc_label->angle_start + (arc_label->dir == LV_ARC_LABEL_DIR_CLOCKWISE ?
curr_total_arc_length :
-curr_total_arc_length) * 180 / M_PI / arc_r;
curr_total_arc_length : -curr_total_arc_length) * 180 / M_PI / arc_r;
#if LV_USE_FLOAT
const lv_value_precise_t x = cos(curr_angle * M_PI / 180) * arc_r;
const lv_value_precise_t y = sin(curr_angle * M_PI / 180) * arc_r;
@@ -459,7 +467,7 @@ static void arc_label_draw_main(lv_event_t * e)
prev_letter_w = letter_w;
processed_word_count++;
#if DEBUG
#if LV_ARC_LABEL_DEBUG
lv_draw_line_dsc_t line_dsc;
lv_draw_line_dsc_init(&line_dsc);
line_dsc.color = lv_color_make(0x11, 0x45, 0x14);