Class: FaceCrop::Detector::FaceCom
- Defined in:
- lib/detectors/face_com.rb
Constant Summary collapse
- URL =
"http://api.face.com/faces/detect.json"
Instance Method Summary collapse
Methods inherited from Base
Constructor Details
This class inherits a constructor from FaceCrop::Detector::Base
Instance Method Details
#detect_faces(file) ⇒ Object
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# File 'lib/detectors/face_com.rb', line 6 def detect_faces(file) query = @options.to_query url = "#{URL}?#{query}" response = RestClient.post url, :file => File.new(file) response = JSON.parse(response) photo = response['photos'].first photo['tags'].map do |tag| # values are returned as percentual values x = (photo['width'] * (tag['center']['x'] / 100.0)).to_i y = (photo['height'] * (tag['center']['y'] / 100.0)).to_i w = (photo['width'] * (tag['width'] / 100)).to_i h = (photo['height'] * (tag['height'] / 100)).to_i region = FaceCrop::Detector::Region.new(x, y, w, h) region.color = "green" region end end |