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fix(roller): avoid divided-by-zero during draw event (#6285)

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ymh-masuda
2024-05-27 14:13:34 +09:00
committed by GitHub
parent 63edb43d44
commit ba8642bbc8
1 changed files with 4 additions and 1 deletions
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src/widgets/roller/lv_roller.c
+4 -1
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@@ -474,7 +474,10 @@ static void draw_main(lv_event_t * e)
/*Proportional position from the middle line.
*Will be 0 for the first option, and 1 for the last option (upscaled by << 14)*/
label_y_prop = (label_y_prop << 14) / (lv_obj_get_height(label) - normal_label_font->line_height);
int32_t remain_h = lv_obj_get_height(label) - normal_label_font->line_height;
if(remain_h > 0) {
label_y_prop = (label_y_prop << 14) / remain_h;
}
/*We don't want the selected label start and end exactly where the normal label is as
*a larger font won't centered on selected area.*/