Class: ThumbnailScraper::Image

Inherits:
Object
  • Object
show all
Includes:
WithSmartUrl
Defined in:
lib/thumbnail_scraper/image.rb

Instance Method Summary collapse

Methods included from WithSmartUrl

#url, #url=

Constructor Details

#initialize(url) ⇒ Image

Returns a new instance of Image.



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# File 'lib/thumbnail_scraper/image.rb', line 8

def initialize(url)
  self.url = url
end

Instance Method Details

#area ⇒ Object 



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# File 'lib/thumbnail_scraper/image.rb', line 28

def area
  width * height
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/thumbnail_scraper/image.rb', line 12

def exists?
  size ? true : false
end

#height ⇒ Object 



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# File 'lib/thumbnail_scraper/image.rb', line 24

def height
  size[1]
end

#size ⇒ Object 



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# File 'lib/thumbnail_scraper/image.rb', line 16

def size
  @size ||= ::FastImage.size(url.to_s)
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/thumbnail_scraper/image.rb', line 32

def valid?
  width >= 50 && height >= 50 && width.to_f / height.to_f <= 3 && height.to_f / width.to_f <= 3
end

#width ⇒ Object 



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# File 'lib/thumbnail_scraper/image.rb', line 20

def width
  size[0]
end