class PDF::Inspector::Page

def initialize
  @pages = []
end

def page=(page)
  @pages << { size: page.attributes[:MediaBox][-2..-1], strings: [] }
  @state = PDF::Reader::PageState.new(page)
end

def show_text(*params)
  params.each do |param|
    @pages.last[:strings] << @state.current_font.to_utf8(param)
  end
end

def show_text_with_positioning(*params)
  # ignore kerning information
  show_text params[0].reject { |e|
    e.is_a? Numeric
  }.join
end