Class: SemaApiRuby::GetTextToImageRatio

Inherits:
Object
  • Object
show all
Defined in:
lib/sema_api_ruby/get_text_to_image_ratio.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(image_size, rectangles) ⇒ GetTextToImageRatio

Returns a new instance of GetTextToImageRatio.



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# File 'lib/sema_api_ruby/get_text_to_image_ratio.rb', line 11

def initialize(image_size, rectangles)
  @rectangles = rectangles
  @image_size = image_size
end

Instance Attribute Details

#image_size ⇒ Object

Returns the value of attribute image_size.



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# File 'lib/sema_api_ruby/get_text_to_image_ratio.rb', line 5

def image_size
  @image_size
end

#rectangles ⇒ Object

Returns the value of attribute rectangles.



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# File 'lib/sema_api_ruby/get_text_to_image_ratio.rb', line 5

def rectangles
  @rectangles
end

Class Method Details

.call(image_size, rectangles) ⇒ Object 



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# File 'lib/sema_api_ruby/get_text_to_image_ratio.rb', line 7

def self.call(image_size, rectangles)
  self.new(image_size, rectangles).call
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/sema_api_ruby/get_text_to_image_ratio.rb', line 16

def call
  return 0.0 unless rectangles.any?

  text_area = rectangles.inject(0.0) do |memo, rect|
    memo += if rect['text'].nil? || rect['text'].empty?
      0.0
    else
      (rect['width'] * rect['height']).to_f
    end
  end

  image_area = image_size[0] * image_size[1]

  (text_area / image_area.to_f).round(4)
end