class Pettanr.Imager
  @thumbnail_size: (w, h) ->
    lw = Manifest.manifest().magic_numbers['thumbnail_width']
    lh = Manifest.manifest().magic_numbers['thumbnail_height']
    Pettanr.Imager.fix_size_both lw, lh, w, h
  
  @fix_size_both: (limw, limh, w, h)->
    wr = if w > limw
      limw*100/w
    else
      100
    hr = if h > limh
      limh*100/h
    else
      100
    r = if wr < hr
      [Math.floor(w*wr/100), Math.floor(h*wr/100)]
    else
      [Math.floor(w*hr/100), Math.floor(h*hr/100)]
    r