/* Return with area of an area (x * y)  */
uint32_t lv_area_get_size(const lv_area_t *area_p)
/* Return with area of an area (x * y)  */
uint32_t lv_area_get_size(const lv_area_t *area_p)
{
    uint32_t size;
    size = (uint32_t)(area_p->x2 - area_p->x1 + 1) * (area_p->y2 - area_p->y1 + 1);
    return size;
}