# File lib/asset_compiler/rmagick_transformation_script.rb, line 96
  def size_to_fit dimensions
    @image.change_geometry dimensions do |w,h,img|
      img.density = '72x72'
      img.resize! w, h
      #             radius, sigma,  blend, threshold
      unsharp_mask  0.5,    1.0,    0.5,   0.25
    end
  end