pattern = cairo_pattern_create_linear (tab->gap_side == CL_GAP_LEFT ? width-1 : 0,
tab->gap_side == CL_GAP_TOP ? height-2 : 1,
pattern = cairo_pattern_create_linear (tab->gap_side == CL_GAP_LEFT ? width-1 : 0,
tab->gap_side == CL_GAP_TOP ? height-2 : 1,