Module: ImagesHelper

Defined in:
app/helpers/images_helper.rb

Instance Method Summary collapse

Instance Method Details

#image_width_for_height(filename, target_height) ⇒ Object 



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# File 'app/helpers/images_helper.rb', line 2

def image_width_for_height(filename, target_height)
  source_width, source_height = FastImage.size("#{Rails.root}/app/assets/images/#{filename}")
  ratio = source_width.to_f / source_height.to_f
  (target_height * ratio).to_i
end