| line | l | !l&&r | !l&&!r | condition | 
 
| 100 | 0 | 1 | 0 | ref $class || $class | 
 
| 107 | 0 | 0 | 0 | $X ||= $options{'clockwise'} ? $minsize : $maxsize | 
 
| 108 | 0 | 0 | 0 | $Y ||= $maxsize | 
 
| 114 | 0 | 0 | 0 | $X ||= $options{'clockwise'} ? $maxsize : $minsize | 
 
| 115 | 0 | 0 | 0 | $Y ||= $minsize | 
 
| 121 | 0 | 0 | 0 | $X ||= $maxsize | 
 
| 122 | 0 | 0 | 0 | $Y ||= $options{'clockwise'} ? $maxsize : $minsize | 
 
| 128 | 0 | 1 | 0 | $X ||= $minsize | 
 
| 129 | 0 | 1 | 0 | $Y ||= $options{'clockwise'} ? $minsize : $maxsize | 
 
| 223 | 0 | 5 | 0 | $args{'step'} || $$self{'step'} | 
 
| 304 | 0 | 2 | 0 | $args{'step'} || $$self{'step'} | 
 
| 384 | 1 | 8 | 0 | $args{'step'} || $$self{'step'} | 
 
| 458 | 0 | 5 | 0 | $args{'step'} || $$self{'step'} |