dden, to match Sprite behavior
</span>  <span class='kw'>return</span> <span class='kw'>if</span> <span class='ivar'>@a</span><span class='period'>.</span><span class='id identifier rubyid_zero?'>zero?</span>

  <span class='id identifier rubyid_view_actual_size!'>view_actual_size!</span> <span class='kw'>unless</span> <span class='id identifier rubyid_source_is_set?'>source_is_set?</span>

  <span class='id identifier rubyid_x_zoom'>x_zoom</span><span class='comma'>,</span> <span class='id identifier rubyi