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lv_draw_label_hint_t struct
Store some info to speed up drawing of very large texts It takes a lot of time to get the first visible character because all the previous characters needs to be checked to calculate the positions. This structure stores an earlier (e.g. at -1000 px) coordinate and the index of that line. Therefore the calculations can start from here.
Syntax
typedef struct _lv_draw_label_hint_t
{
int32_t line_start;
int32_t y;
int32_t coord_y;
} lv_draw_label_hint_t;
Fields
Field
Declared as
Description
int32_t
Give the `y` coordinate of the first letter at `line start` index. Relative to the label's coordinates.
int32_t
The 'y1' coordinate of the label when the hint was saved. Used to invalidate the hint if the label has moved too much.