gistfile1.rb

module Merb
  module GlobalHelpers
    # helpers defined here available to all views.  
    
    def scaled_image_tag(max_width, img, opts={})
      #I only need this for scaling with a max width
      if opts.has_key? :height
        h = (opts[:height].to_f*(max_width.to_f/opts[:width].to_f)).round
        opts[:height] = h-(h%18)  #For 18px baseline. Distorts.
      end
      opts[:width] = max_width
      image_tag(img, opts)
    end    
    
  end
end