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fix(bar): fix division by 0 (#3463)

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Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>
This commit is contained in:
_VIFEXTech
2022-07-11 20:19:15 +08:00
committed by GitHub
parent 0e367d0a76
commit aafa32aaeb
1 changed files with 11 additions and 0 deletions
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11
src/widgets/lv_bar.c
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@@ -124,6 +124,11 @@ void lv_bar_set_range(lv_obj_t * obj, int32_t min, int32_t max)
lv_bar_t * bar = (lv_bar_t *)obj; lv_bar_t * bar = (lv_bar_t *)obj;
if(max < min) {
LV_LOG_WARN("error range: min = %" LV_PRId32 ", max = %" LV_PRId32, min, max);
return;
}
if(bar->min_value == min && bar->max_value == max) return; if(bar->min_value == min && bar->max_value == max) return;
bar->max_value = max; bar->max_value = max;
@@ -259,6 +264,12 @@ static void draw_indic(lv_event_t * e)
lv_coord_t barw = lv_area_get_width(&bar_coords); lv_coord_t barw = lv_area_get_width(&bar_coords);
lv_coord_t barh = lv_area_get_height(&bar_coords); lv_coord_t barh = lv_area_get_height(&bar_coords);
int32_t range = bar->max_value - bar->min_value; int32_t range = bar->max_value - bar->min_value;
/*Prevent division by 0*/
if(range == 0) {
range = 1;
}
bool hor = barw >= barh ? true : false; bool hor = barw >= barh ? true : false;
bool sym = false; bool sym = false;
if(bar->mode == LV_BAR_MODE_SYMMETRICAL && bar->min_value < 0 && bar->max_value > 0 && if(bar->mode == LV_BAR_MODE_SYMMETRICAL && bar->min_value < 0 && bar->max_value > 0 &&