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add underline properties to the fonts

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This commit is contained in:
Gabor Kiss-Vamosi 2020-07-27 12:47:07 +02:00
parent 4659289924
commit c173f28a3f
2 changed files with 7 additions and 3 deletions
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6
src/lv_draw/lv_draw_label.c
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@ -213,12 +213,12 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_label(const lv_area_t * coords, const lv_area
sel_start = sel_end;
sel_end = tmp;
}
lv_draw_line_dsc_t line_dsc;
dsc->decor = LV_TEXT_DECOR_UNDERLINE;
if((dsc->decor & LV_TEXT_DECOR_UNDERLINE) || (dsc->decor & LV_TEXT_DECOR_STRIKETHROUGH)) {
lv_draw_line_dsc_init(&line_dsc);
line_dsc.color = dsc->color;
line_dsc.width = (dsc->font->line_height + 5) / 10; /*+5 for rounding*/
line_dsc.width = font->underline_thickness;
line_dsc.opa = dsc->opa;
line_dsc.blend_mode = dsc->blend_mode;
}
@ -342,7 +342,7 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_label(const lv_area_t * coords, const lv_area
lv_point_t p1;
lv_point_t p2;
p1.x = pos_x_start;
p1.y = pos.y + dsc->font->line_height - dsc->font->base_line + line_dsc.width / 2 + 1;
p1.y = pos.y + dsc->font->line_height - dsc->font->base_line - font->underline_position;
p2.x = pos.x;
p2.y = p1.y;
lv_draw_line(&p1, &p2, mask, &line_dsc);

4
src/lv_font/lv_font.h
View File

@ -71,6 +71,10 @@ typedef struct _lv_font_struct {
lv_coord_t line_height; /**< The real line height where any text fits*/
lv_coord_t base_line; /**< Base line measured from the top of the line_height*/
uint8_t subpx : 2; /**< An element of `lv_font_subpx_t`*/
int8_t underline_position; /**< Distance between the top of the underline and base line (< 0 means below the base line)*/
int8_t underline_thickness; /**< Thickness of the underline*/
void * dsc; /**< Store implementation specific or run_time data or caching here*/
#if LV_USE_USER_DATA
lv_font_user_data_t user_data; /**< Custom user data for font. */