Module: Plumnailer::ImgComparator

Defined in:
lib/plumnailer/img_comparator.rb

Overview

Mixin for Magick::ImageList that adds a comparator for sorting by relevance.

Instance Method Summary collapse

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/plumnailer/img_comparator.rb', line 6

def <=> other
  # can use doc here to take source page into account

  # square of smallest dimension
  result = ([other.rows, other.columns].min ** 2) <=>
    ([rows, columns].min ** 2)
  # if still tied use number of colors
  if result == 0
    result = other.number_colors <=> number_colors
  end
  result
end