lv_draw_mask_private.h¶ struct _lv_draw_mask_rect_dsc_t¶ Public Members lv_draw_dsc_base_t base¶ lv_area_t area¶ The area t mask. int32_t radius¶ The radius of masking uint32_t keep_outside¶ 0: clear the content out of the area. 1: don't touch the area out of area