danfe_builder.rb

# coding: utf-8

require 'rubygems'
require 'prawn'
require 'benchmark'

class Danfe
  
  # Largura mínima da barra deve ser de 6 cm / 297 = 0,02 cm = 0,57 pt. A largura que usaremos
  # será 0,70 pt = 0,025 cm = 7,33 cm / 297.
  BAR_WIDTH = 0.7
  
  PAGE_SIZE = 'A4'
  MARGIN = [20, 20, 20, 20]
  MAX_WIDTH = Prawn::Document::PageGeometry::SIZES[PAGE_SIZE][0] - (MARGIN[1] + MARGIN[3])
  MAX_HEIGTH = Prawn::Document::PageGeometry::SIZES[PAGE_SIZE][1] - (MARGIN[0] + MARGIN[2])
  
  LINE_WIDTH = 0.3
  TEXT_BOX_RADIUS = 2
  TEXT_BOX_HEIGTH = 20
  
  LABEL_SIZE = 6
  TEXT_SIZE = 10
  
  SECTION_SPACING = LABEL_SIZE + 4
  
  class Code128C
    
    START_CODE_C = 105
    STOP_CODE = 106
    MODULO = 103
    TABLE = [
      [2, 1, 2, 2, 2, 2],
      [2, 2, 2, 1, 2, 2],
      [2, 2, 2, 2, 2, 1],
      [1, 2, 1, 2, 2, 3],
      [1, 2, 1, 3, 2, 2],
      [1, 3, 1, 2, 2, 2],
      [1, 2, 2, 2, 1, 3],
      [1, 2, 2, 3, 1, 2],
      [1, 3, 2, 2, 1, 2],
      [2, 2, 1, 2, 1, 3],
      [2, 2, 1, 3, 1, 2],
      [2, 3, 1, 2, 1, 2],
      [1, 1, 2, 2, 3, 2],
      [1, 2, 2, 1, 3, 2],
      [1, 2, 2, 2, 3, 1],
      [1, 1, 3, 2, 2, 2],
      [1, 2, 3, 1, 2, 2],
      [1, 2, 3, 2, 2, 1],
      [2, 2, 3, 2, 1, 1],
      [2, 2, 1, 1, 3, 2],
      [2, 2, 1, 2, 3, 1],
      [2, 1, 3, 2, 1, 2],
      [2, 2, 3, 1, 1, 2],
      [3, 1, 2, 1, 3, 1],
      [3, 1, 1, 2, 2, 2],
      [3, 2, 1, 1, 2, 2],
      [3, 2, 1, 2, 2, 1],
      [3, 1, 2, 2, 1, 2],
      [3, 2, 2, 1, 1, 2],
      [3, 2, 2, 2, 1, 1],
      [2, 1, 2, 1, 2, 3],
      [2, 1, 2, 3, 2, 1],
      [2, 3, 2, 1, 2, 1],
      [1, 1, 1, 3, 2, 3],
      [1, 3, 1, 1, 2, 3],
      [1, 3, 1, 3, 2, 1],
      [1, 1, 2, 3, 1, 3],
      [1, 3, 2, 1, 1, 3],
      [1, 3, 2, 3, 1, 1],
      [2, 1, 1, 3, 1, 3],
      [2, 3, 1, 1, 1, 3],
      [2, 3, 1, 3, 1, 1],
      [1, 1, 2, 1, 3, 3],
      [1, 1, 2, 3, 3, 1],
      [1, 3, 2, 1, 3, 1],
      [1, 1, 3, 1, 2, 3],
      [1, 1, 3, 3, 2, 1],
      [1, 3, 3, 1, 2, 1],
      [3, 1, 3, 1, 2, 1],
      [2, 1, 1, 3, 3, 1],
      [2, 3, 1, 1, 3, 1],
      [2, 1, 3, 1, 1, 3],
      [2, 1, 3, 3, 1, 1],
      [2, 1, 3, 1, 3, 1],
      [3, 1, 1, 1, 2, 3],
      [3, 1, 1, 3, 2, 1],
      [3, 3, 1, 1, 2, 1],
      [3, 1, 2, 1, 1, 3],
      [3, 1, 2, 3, 1, 1],
      [3, 3, 2, 1, 1, 1],
      [3, 1, 4, 1, 1, 1],
      [2, 2, 1, 4, 1, 1],
      [4, 3, 1, 1, 1, 1],
      [1, 1, 1, 2, 2, 4],
      [1, 1, 1, 4, 2, 2],
      [1, 2, 1, 1, 2, 4],
      [1, 2, 1, 4, 2, 1],
      [1, 4, 1, 1, 2, 2],
      [1, 4, 1, 2, 2, 1],
      [1, 1, 2, 2, 1, 4],
      [1, 1, 2, 4, 1, 2],
      [1, 2, 2, 1, 1, 4],
      [1, 2, 2, 4, 1, 1],
      [1, 4, 2, 1, 1, 2],
      [1, 4, 2, 2, 1, 1],
      [2, 4, 1, 2, 1, 1],
      [2, 2, 1, 1, 1, 4],
      [4, 1, 3, 1, 1, 1],
      [2, 4, 1, 1, 1, 2],
      [1, 3, 4, 1, 1, 1],
      [1, 1, 1, 2, 4, 2],
      [1, 2, 1, 1, 4, 2],
      [1, 2, 1, 2, 4, 1],
      [1, 1, 4, 2, 1, 2],
      [1, 2, 4, 1, 1, 2],
      [1, 2, 4, 2, 1, 1],
      [4, 1, 1, 2, 1, 2],
      [4, 2, 1, 1, 1, 2],
      [4, 2, 1, 2, 1, 1],
      [2, 1, 2, 1, 4, 1],
      [2, 1, 4, 1, 2, 1],
      [4, 1, 2, 1, 2, 1],
      [1, 1, 1, 1, 4, 3],
      [1, 1, 1, 3, 4, 1],
      [1, 3, 1, 1, 4, 1],
      [1, 1, 4, 1, 1, 3],
      [1, 1, 4, 3, 1, 1],
      [4, 1, 1, 1, 1, 3],
      [4, 1, 1, 3, 1, 1],
      [1, 1, 3, 1, 4, 1],
      [1, 1, 4, 1, 3, 1],
      [3, 1, 1, 1, 4, 1],
      [4, 1, 1, 1, 3, 1],
      [2, 1, 1, 4, 1, 2],
      [2, 1, 1, 2, 1, 4],
      [2, 1, 1, 2, 3, 2],
      [2, 3, 3, 1, 1, 1, 2]
    ]
    
    def self.to_code_128c(str)
      arr = str.scan(/\d{2}/).map { |x| x.to_i }
      
      arr.unshift(START_CODE_C)
      sum = START_CODE_C
      arr.each_with_index { |x, i| sum += x * i }
      arr << sum % MODULO
      arr << STOP_CODE
      
      arr.map { |x| TABLE[x] }.flatten
    end
    
    def self.draw_bar_code_128c(str, options)
      min_width = options[:min_width]
      total_width = options[:total_width]
      start_pos = options[:start_pos]
      
      bar_code = to_code_128c(str)
      seg_count = bar_code.inject { |a, b| a + b }
      x = start_pos + (total_width - seg_count * min_width) / 2.0
      
      bar = true
      bar_code.each do |w|
        if bar
          yield(x, w * min_width)
        end
        x += w * min_width
        bar = !bar
      end  
    end
    
  end
  
  class Layout
    
    attr_reader :pdf
    attr_accessor :x
    
    public
    def initialize
      @pdf = Prawn::Document.new(:page_size => PAGE_SIZE, :margin => MARGIN)
      @pdf.font('Times-Roman')
      @pdf.line_width = LINE_WIDTH
      @x = 0
      @pdf.move_down(MARGIN[2])
    end
    
    def start_new_page
      @pdf.start_new_page
      @pdf.move_down(MARGIN[2])
    end
    
    def write(file_name)
      @pdf.close_and_stroke
      @pdf.render_file(file_name)
    end
    
    def text_box_with_box(label, text, width, height = nil, options = {})
      @pdf.rounded_rectangle([@x, y], width, height || TEXT_BOX_HEIGTH, TEXT_BOX_RADIUS)
      @pdf.text_box(label, :size => LABEL_SIZE, :at => [@x + 2, y - 2], :width => width - 2,
          :height => LABEL_SIZE, :valign => :top)
      h_text = height.nil? ? TEXT_SIZE : height - LABEL_SIZE - 4
      @pdf.text_box(text, { :size => TEXT_SIZE, :at => [@x + 2, y - LABEL_SIZE - 4],
          :width => width - 2, :height => h_text, :valign => :top }.merge(options))
      @x += width  
    end
    
    def header_cell(text, width, align = :left)
      t = Prawn::Text::Box.new(text, :size => LABEL_SIZE, :at => [@x + 1, y],
          :width => abs_width(width) - 2, :align => align, :document => @pdf)
      t.render
      @x += abs_width(width)
      t.height
    end
    
    def cell(text, width, align = :left, options = {})
      dry_run = options.delete(:dry_run)
      t = Prawn::Text::Box.new(text, options.merge({ :at => [@x + 1, y],
          :width => abs_width(width) - 2, :align => align, :document => @pdf }))
      t.render(:dry_run => dry_run)
      @x += abs_width(width) unless dry_run
      t.height
    end
    
    def text_box(text, params = {})
      t = Prawn::Text::Box.new(text, params.merge({ :document => @pdf }))
      t.render
      t.height
    end
    
    def receipt_box(label, content, start, stop)
      unless content.empty?
        @pdf.text_box(content, :size => 10, :at => [MAX_WIDTH * start, y - 21],
            :width => MAX_WIDTH * (stop - start), :align => :center)
      end
      
      @pdf.text_box(label, :size => 6, :at => [MAX_WIDTH * start, y - 33],
          :width => MAX_WIDTH * (stop - start), :align => :center)
      @pdf.horizontal_line(MAX_WIDTH * start, MAX_WIDTH * stop, :at => y - 30)
    end
    
    def cell_break
      @x = 0
      @pdf.move_down(10)
    end
    
    def space(width)
      @x += width
    end
    
    def line_break
      @x = 0
      @pdf.move_down(TEXT_BOX_HEIGTH)
    end
    
    def row
      @x = 0
      @pdf.pad_bottom(TEXT_BOX_HEIGTH) do
        yield Row.new(self)
      end
    end
    
    def section(name, options = {})
      at = options[:at]
      old_y = y
  
      @pdf.move_cursor_to(at - MARGIN[2]) if at
      begin
        @x = 0
        @pdf.pad_bottom(SECTION_SPACING) do
          @pdf.text_box(name, :size => LABEL_SIZE, :style => :bold, :at => [0, y - 4],
              :width => MAX_WIDTH, :height => LABEL_SIZE, :valign => :top)
        end
        yield
      ensure
        @pdf.move_cursor_to(old_y) if at
      end
    end
    
    def abs_width(x)
      x / 100.0 * MAX_WIDTH
    end
    
    def y
      @pdf.y
    end
    
    def move_down(v)
      @pdf.move_down(v)
    end
    
    def table(headers, data, widths, align, cell_options = {}, table_options = {})
      move_down(2)
      y0 = y
      h = 0
      @x = 0
      widths.each_with_index do |w, i|
        h = [header_cell(headers[i], w, :center), h].max
      end
      heigth_calc = table_options[:heigth_calc]
      min_y = table_options[:min_y] || 0.0
      while !data.empty?
        r = data.first
  
        if heigth_calc
          h_calc = cell(r[heigth_calc], widths[heigth_calc], align[heigth_calc], cell_options.merge({ :dry_run => true }))
          #print y - (h + 1 + 3 + h_calc + 1), ' < ', min_y, "\n"
          if y - (h + 1 + 3 + h_calc + 1) < min_y
            break
          end
        end
  
        @pdf.pad_top(h + 1) do
          @pdf.horizontal_line(0, abs_width(100), :at => y)
        end
        move_down(3)
        h = 0
        @x = 0
        widths.each_with_index do |w, i|
          h = [cell(r[i] || '', w, align[i], cell_options), h].max
        end
        
        data.shift
      end
      move_down(h + 1)
      y1 = y
      
      @pdf.stroke do
        widths.inject do |sum, x|
          @pdf.vertical_line(y0 + 2, y1, :at => abs_width(sum))
          sum + x
        end
    
        @pdf.rounded_rectangle([0, y0 + 2], MAX_WIDTH, y0 - y1 + 2, TEXT_BOX_RADIUS)
      end
      
      #puts y
    end
    
    class Row
      def initialize(layout)
        @layout = layout
      end
      
      def text_box_with_box(relative_width, label, text)
        @layout.text_box_with_box(label, text, abs_width(relative_width))
      end
      
      def space(relative_width)
        @layout.space(abs_width(relative_width))
      end
      
      private
      def abs_width(relative_width)
        if relative_width == :max
          MAX_WIDTH - @layout.x
        else
          relative_width / 100.0 * MAX_WIDTH
        end
      end
    end
    
  end

  def initialize(data)
    @layout = Layout.new
    @page_infos = []
    @data = data
    @chave = data[:chave_nfe_formatada]
    @bar_code_box_width = 2 + @layout.pdf.width_of(@chave, :size => 9, :style => :bold)
    @formulario_seguranca = !@data[:formulario_seguranca].to_i.zero?
    @fs_warning_height = @formulario_seguranca ? 20 : 0
  end
  
  def columnize_array(arr, count)
    lines = (arr.count + count - 1) / count
    item_len = arr.first.count
    
    (0...lines).map do |line|
      (0...count).map { |i| arr[i * count + line] || [nil] * item_len }.flatten
    end
  end
  
  def draw_header
    hs = 83
    hq = hp = nil
    @layout.pdf.stroke do
      @page_infos[@layout.pdf.page_number - 1] = { :center_box_top => @layout.y }
      
      emitente_box_width = MAX_WIDTH * (1 - 0.02 - 0.20) - @bar_code_box_width
        
      @layout.pdf.rounded_rectangle([0, @layout.y], emitente_box_width, hs - 2,
          TEXT_BOX_RADIUS)
      
      logo_width = 72
      
      img = Prawn::Images::PNG.new(File.binread(@data[:nome_logo]))
      
      @layout.pdf.image(@data[:nome_logo], :at => [(logo_width - img.width * 0.24) / 2.0,
          @layout.y - (hs - 2 - img.height * 0.24) / 2.0], :scale => 0.24) 

      i1 = @layout.y - 4
      
      i1 -= @layout.text_box(@data[:nome_emitente], :style => :bold, :size => 12,
          :at => [logo_width, i1], :width => emitente_box_width - logo_width, :align => :left)
      i1 -= 6
      
      i1 -= @layout.text_box(@data[:dados_emitente],
          :style => :bold, :size => 8, :at => [logo_width, i1], :width => emitente_box_width - logo_width, :align => :left)
      i1 -= 2
      
      hx = hs + 6 + 2 * TEXT_BOX_HEIGTH
      
      @layout.pdf.rounded_rectangle([MAX_WIDTH - @bar_code_box_width, @layout.y],
          @bar_code_box_width, hx, TEXT_BOX_RADIUS)
  
      hq = @layout.y - (hx - 2 * TEXT_BOX_HEIGTH) / 2
      @layout.pdf.horizontal_line(MAX_WIDTH - @bar_code_box_width, MAX_WIDTH, :at => hq)
      @layout.text_box("CHAVE DE ACESSO", :size => LABEL_SIZE,
          :at => [MAX_WIDTH - @bar_code_box_width + 2, hq - 2])
      @layout.text_box(@chave, :size => 9, :style => :bold,
          :at => [MAX_WIDTH - @bar_code_box_width, hq - 10], :width => @bar_code_box_width, :align => :center)
      @layout.pdf.horizontal_line(MAX_WIDTH - @bar_code_box_width, MAX_WIDTH, :at => hq - TEXT_BOX_HEIGTH)
      
      unless @formulario_seguranca
        @layout.text_box("Consulta de autenticidade no portal nacional\nda NF-e (www.nfe.fazenda.gov.br/portal)\nou no site da Sefaz Autorizadora",
            :size => 9, :style => :bold, :width => @bar_code_box_width, :align => :center,
            :valign => :center, :at => [MAX_WIDTH - @bar_code_box_width, hq - TEXT_BOX_HEIGTH],
            :height => (hx - 2 * TEXT_BOX_HEIGTH) / 2)
      end
  
      hp = @layout.y - (hx - TEXT_BOX_HEIGTH)
      @layout.pdf.horizontal_line(MAX_WIDTH - @bar_code_box_width, MAX_WIDTH, :at => hp)
      @layout.text_box(@data[:titulo_dados_nfe], :size => LABEL_SIZE,
          :at => [MAX_WIDTH - @bar_code_box_width + 2, hp - 2])
      @layout.text_box(@data[:conteudo_dados_nfe], :size => 9, :style => :bold,
          :at => [MAX_WIDTH - @bar_code_box_width, hp - 10], :width => @bar_code_box_width, :align => :center)
    end
  
    bar_code_height = @layout.y - hq
    bar_code_y0 = hq + bar_code_height * 0.85
    bar_code_y1 = hq + bar_code_height * 0.15
    
    Code128C.draw_bar_code_128c(@chave, :min_width => BAR_WIDTH, :total_width => @bar_code_box_width,
        :start_pos => MAX_WIDTH - @bar_code_box_width) do |x, w| 
      @layout.pdf.stroke do
        @layout.pdf.line_width = w
        @layout.pdf.vertical_line(bar_code_y0, bar_code_y1, :at => x + w / 2.0)
      end
    end
    
    bar_code_y0 = hp + bar_code_height * 0.85
    bar_code_y1 = hp + bar_code_height * 0.15
    
    if @formulario_seguranca
      Code128C.draw_bar_code_128c(@data[:conteudo_dados_nfe],
          :min_width => BAR_WIDTH, :total_width => @bar_code_box_width,
          :start_pos => MAX_WIDTH - @bar_code_box_width) do |x, w| 
        @layout.pdf.stroke do
          @layout.pdf.line_width = w
          @layout.pdf.vertical_line(bar_code_y0, bar_code_y1, :at => x + w / 2.0)
        end
      end
    end
      
    @layout.pdf.line_width = LINE_WIDTH
    
    @layout.move_down(hs + 6)
    
    natureza_operacao_width = 99 - @bar_code_box_width / MAX_WIDTH * 100
    
    @layout.row do |r|
      r.text_box_with_box(natureza_operacao_width, 'NATUREZA DE OPERAÇÃO', @data[:natureza_operacao])
    end
    
    @layout.row do |r|
      r.text_box_with_box(natureza_operacao_width / 3, 'INSCRIÇÃO ESTADUAL', @data[:inscricao_estadual_emitente])
      r.text_box_with_box(natureza_operacao_width / 3, 'INSCR. ESTADUAL DO SUBST.', @data[:inscricao_estadual_st_emitente])
      r.text_box_with_box(natureza_operacao_width / 3, 'CNPJ', @data[:cnpj_emitente])
    end  
  end
  
  def draw_center_info
    center_info_left = MAX_WIDTH * (1 - 0.21) - @bar_code_box_width
    
    @page_infos.each_with_index do |info, i|
      p = i + 1
      y = info[:center_box_top]
      
      @layout.pdf.go_to_page(p)
      
      h1 = @layout.text_box("DANFE", :style => :bold, :size => 12, :at => [center_info_left, y],
          :width => MAX_WIDTH * 0.2, :align => :center)
      
      h2 = @layout.text_box("DOCUMENTO AUXILIAR DA NOTA FISCAL ELETRÔNICA", :size => 8,
          :at => [center_info_left, y - (h1 + 6)], :width => MAX_WIDTH * 0.2,
          :align => :center)
    
      hs = h1 + 6 + h2 + 6
      
      [['TIPO:', 'ENTRADA'], ['Nº:', @data[:numero]], ['SÉRIE:', @data[:serie]], ['FOLHA:', "#{p}/#{@layout.pdf.page_count}"]].each do |x|
        hi = @layout.text_box(x[0], :size => 10,
            :at => [center_info_left, y - hs], :width => MAX_WIDTH * 0.08,
            :align => :right)
      
        @layout.text_box(x[1], :style => :bold, :size => 10,
            :at => [center_info_left + MAX_WIDTH * 0.09, y - hs],
            :width => MAX_WIDTH * 0.11, :align => :left)
        
        hs += hi + 2
      end
    end
  end
  
  def draw
    @layout.pdf.stroke do
      txt = "Recebemos de #{@data[:nome_emitente]} os produtos e/ou serviços constantes "\
          "na Nota Fiscal Eletrônica indicada ao lado."
      @layout.pdf.text_box(txt, :size => 8, :at => [MAX_WIDTH * 0.02, @layout.y],
          :width => MAX_WIDTH * (0.8 - 0.04 - 0.02), :valign => :top)
      
      @layout.receipt_box('DATA DE RECEBIMENTO', @data[:data_entrada_saida] || @data[:data_emissao], 0.02, 0.20)
      @layout.receipt_box('IDENTIFICAÇÃO E ASSINATURA DO RECEBEDOR', '', 0.24, 0.76)
  
      @layout.pdf.text_box("NF-e", :style => :bold, :size => 10, :at => [MAX_WIDTH * 0.8, @layout.y],
          :width => MAX_WIDTH * 0.2, :align => :center)
      @layout.pdf.text_box("Nº #{@data[:numero]}\nSÉRIE #{@data[:serie]}", :size => 10, :at => [MAX_WIDTH * 0.8, @layout.y - 16],
          :width => MAX_WIDTH * 0.2, :align => :center)
  
      @layout.pdf.vertical_line(@layout.y, @layout.y - 44, :at => MAX_WIDTH * 0.8)
    end
    
    @layout.pdf.dash(2)
    
    @layout.pdf.stroke do
      @layout.pdf.horizontal_line(0, MAX_WIDTH, :at => @layout.y - 44)
    end
  
    @layout.pdf.undash
    
    @layout.move_down(44 + SECTION_SPACING)
  
    draw_header
    
    @layout.section('DESTINATÁRIO/REMETENTE') do
      @layout.row do |r|
        r.text_box_with_box(65, 'NOME/RAZÃO SOCIAL', @data[:nome_destinatario])
        r.text_box_with_box(20, 'CNPJ/CPF', @data[:cnpj_destinatario])
        r.space(1)
        r.text_box_with_box(:max, 'DATA DE EMISSÃO', @data[:data_emissao])
      end
      
      @layout.row do |r|
        r.text_box_with_box(50, 'ENDEREÇO', @data[:logradouro_destinatario])
        r.text_box_with_box(25, 'BAIRRO/DISTRITO', @data[:bairro_destinatario])
        r.text_box_with_box(10, 'CEP', @data[:cep_destinatario])
        r.space(1)
        r.text_box_with_box(:max, 'DATA DE SAÍDA', @data[:data_entrada_saida])
      end
        
      @layout.row do |r|
        r.text_box_with_box(45, 'MUNICÍPIO', @data[:municipio_destinatario])
        r.text_box_with_box(18, 'FONE/FAX', @data[:telefone_destinatario])
        r.text_box_with_box(7, 'UF', @data[:uf_destinatario])
        r.text_box_with_box(15, 'INSCRIÇÃO ESTADUAL', @data[:inscricao_estadual_destinatario])
        r.space(1)
        r.text_box_with_box(:max, 'HORA DE SAÍDA', @data[:hora_entrada_saida])
      end
    end

    unless @data[:duplicatas].empty?    
      @layout.section('FATURA/DUPLICATA') do
        duplicatas = @data[:duplicatas].map { |x| [x[:numero], x[:data_vencimento], x[:valor]] } 
        
        @layout.table(
            ['NÚMERO', 'VENCIMENTO', 'VALOR'] * 3,
            columnize_array(duplicatas, 3),
            [11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.12],
            [:center, :center, :right, :center, :center, :right, :center, :center, :right],
            :size => LABEL_SIZE)
      end
    end
    
    @layout.section('CÁLCULO DE IMPOSTO') do
      @layout.row do |r|
        r.text_box_with_box(20, 'BASE DE CÁLCULO DO ICMS', @data[:icms_base_calculo])
        r.text_box_with_box(20, 'VALOR DO ICMS', @data[:icms_valor_total])
        r.text_box_with_box(20, 'BASE DE CÁLCULO DO ICMS ST', @data[:icms_base_calculo_st])
        r.text_box_with_box(20, 'VALOR DO ICMS ST', @data[:icms_valor_total_st])
        r.text_box_with_box(:max, 'VALOR TOTAL DOS PRODUTOS', @data[:valor_produtos])
      end
      @layout.row do |r|
        r.text_box_with_box(16, 'VALOR DO FRETE', @data[:valor_frete])
        r.text_box_with_box(16, 'VALOR DO SEGURO', @data[:valor_seguro])
        r.text_box_with_box(16, 'DESCONTO', @data[:valor_desconto])
        r.text_box_with_box(16, 'OUTRAS DESPESAS', @data[:valor_outras_despesas])
        r.text_box_with_box(16, 'VALOR DO IPI', @data[:valor_ipi])
        r.text_box_with_box(:max, 'VALOR TOTAL DA NOTA', @data[:valor_total])
      end
    end
    
    @layout.section('TRANSPORTADOR') do
      @layout.row do |r|
        r.text_box_with_box(30, 'NOME/RAZÃO SOCIAL', @data[:nome_transportador])
        r.text_box_with_box(15, 'FRETE POR CONTA', @data[:modalidade_frete])
        r.text_box_with_box(15, 'CÓDIGO ANTT', @data[:veiculo_rntc])
        r.text_box_with_box(15, 'PLACA DO VEÍCULO', @data[:veiculo_placa])
        r.text_box_with_box(7, 'UF', @data[:veiculo_uf])
        r.text_box_with_box(:max, 'CNPJ/CPF', @data[:cnpj_transportador])
      end
      @layout.row do |r|
        r.text_box_with_box(40, 'ENDEREÇO', @data[:endereco_transportador])
        r.text_box_with_box(35, 'MUNICÍPIO', @data[:municipio_transportador])
        r.text_box_with_box(7, 'UF', @data[:uf_transportador])
        r.text_box_with_box(:max, 'INSCRIÇÃO ESTADUAL', @data[:inscricao_estadual_transportador])
      end
    end
    
    @layout.section('VOLUMES TRANSPORTADOS') do
      volumes = @data[:volumes].map { |x| [x[:quantidade], x[:especie], x[:marca], x[:numero],
          x[:peso_liquido], x[:peso_bruto], nil] }
      @layout.table(
          ['QUANTIDADE', 'ESPÉCIE', 'MARCA', 'NUMERAÇÃO', 'PESO BRUTO', 'PESO LÍQUIDO', ''],
          volumes,
          [11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 33.34],
          [:right, :left, :left, :left, :right, :right],
          :size => LABEL_SIZE)
    end
  
    #icms_w = (@layout.pdf.width_of('15,00', :size => 8) + 2) / MAX_WIDTH * 100
    #ipi_w = (@layout.pdf.width_of('15,00', :size => 8) + 2) / MAX_WIDTH * 100
    
    reservado_ao_fisco_width = 212
    reservado_ao_fisco_height = 84
    
    table_data = @data[:itens].map { |x| [x[:codigo_produto], x[:descricao], x[:codigo_ncm],
        x[:icms_item_situacao_tributaria], x[:cfop], x[:unidade_comercial],
        x[:quantidade_comercial], x[:valor_unitario_comercial], x[:valor_bruto],
        x[:icms_item_base_calculo], x[:icms_item_valor], x[:ipi_item_valor],
        x[:icms_item_aliquota], x[:ipi_item_aliquota]] } 
    
    @layout.section('DADOS DOS PRODUTOS/SERVIÇOS') do
      @layout.table(
          ['CÓD. PROD.', 'DESCRIÇÃO', 'NCM/SH', 'CST', 'CFOP', 'UNID.', 'QUANT.', 'VALOR UNIT.',
           'VALOR TOTAL', 'BC ICMS', 'VALOR ICMS', 'VALOR IPI', 'ALÍQ. ICMS', 'ALÍQ. IPI'],
          table_data,
          [5, 28, 7, 4, 4, 5, 7, 7, 7, 7, 4, 7, 4, 4],
          [:left, :left, :left, :left, :left, :left, :right,
           :right, :right, :right, :right, :right, :right, :right],
          { :size => LABEL_SIZE },
          { :heigth_calc => 1, :min_y => reservado_ao_fisco_height + SECTION_SPACING + @fs_warning_height })
    end
    
    @layout.section('DADOS ADICIONAIS', :at => reservado_ao_fisco_height + SECTION_SPACING + @fs_warning_height) do
      @layout.pdf.stroke do
        @layout.text_box_with_box('INFORMAÇÕES ADICIONAIS', @data[:informacoes_adicionais_contribuinte],
            MAX_WIDTH - reservado_ao_fisco_width, reservado_ao_fisco_height, :size => LABEL_SIZE)
        @layout.text_box_with_box('RESERVADO AO FISCO', '',
            reservado_ao_fisco_width, reservado_ao_fisco_height)
      end
    end
    
    @layout.pdf.text_box("DANFE impresso em contingência devido a problemas técnicos",
        :style => :bold, :size => 12, :at => [0, @fs_warning_height], :width => MAX_WIDTH, :valign => :bottom,
        :align => :center)
        
    while !table_data.empty?
      @layout.start_new_page
      draw_header
      
      @layout.section('DADOS DOS PRODUTOS/SERVIÇOS') do
        @layout.table(
            ['CÓD. PROD.', 'DESCRIÇÃO', 'NCM/SH', 'CST', 'CFOP', 'UNID.', 'QUANT.', 'VALOR UNIT.',
             'VALOR TOTAL', 'BC ICMS', 'VALOR ICMS', 'VALOR IPI', 'ALÍQ. ICMS', 'ALÍQ. IPI'],
            table_data,
            [5, 28, 7, 4, 4, 5, 7, 7, 7, 7, 4, 7, 4, 4],
            [:left, :left, :left, :left, :left, :left, :right,
             :right, :right, :right, :right, :right, :right, :right],
            { :size => LABEL_SIZE },
            { :heigth_calc => 1, :min_y => @fs_warning_height })
      end
      
      @layout.pdf.text_box("DANFE impresso em contingência devido a problemas técnicos",
          :style => :bold, :size => 12, :at => [0, @fs_warning_height], :width => MAX_WIDTH, :valign => :bottom,
          :align => :center)  
    end
      
    draw_center_info
    
    @layout.write("prawn.pdf")
  end
  
end

$informacoes_adicionais_contribuinte = <<EOS
I - "DOCUMENTO EMITIDO POR ME OU EPP OPTANTE PELO SIMPLES NACIONAL";
II - "NÃO GERA DIREITO A CRÉDITO FISCAL DE ICMS, DE ISS E DE IPI".
ASM-8948 ASM-8994 ASM-8995 ASM-8996 ASM-9112 ASM-9128 ASM-9129 ASM-9130 ASM-9131 ASM-9132 ASM-9133 ASM-9134 ASM-9135 ASM-9136 ASM-9087 ASM-9093 ASM-9097 ASM-9102 ASM-9103 ASM-9104 ASM-9105 ASM-9106 ASM-9107 ASM-9108 ASM-9075 ASM-9076 ASM-9078 ASM-9079 ASM-9081 ASM-9082 ASM-9083 ASM-9084 ASM-9085 ASM-9086 ASM-9062 ASM-9065 ASM-9066 ASM-9067 ASM-9068 ASM-9069 ASM-9071 ASM-9072 ASM-9073 ASM-9074 ASM-9044 ASM-9045 ASM-9046 ASM-9047 ASM-9048 ASM-9049 ASM-9054 ASM-9055 ASM-9057 ASM-9061 ASM-9028 ASM-9029 ASM-9031 ASM-9032 ASM-9034 ASM-9035 ASM-9039 ASM-9040 ASM-9041 ASM-9043 ASM-9015 ASM-9016 ASM-9017 ASM-9018 ASM-9019 ASM-9021 ASM-9024 ASM-9025 ASM-9026 ASM-9027 ASM-9027 ASM-8904 ASM-8939 ASM-8940 ASM-8941 ASM-8942 ASM-8943 ASM-8944 ASM-8945 ASM-8946 ASM-8947 ASM-8795 ASM-8879 ASM-8891 ASM-8892 ASM-8893 ASM-8895 ASM-8897 ASM-8901 ASM-8902 ASM-8903 ASM-8779 ASM-8781 ASM-8782 ASM-8784 ASM-8785 ASM-8786 ASM-8789 ASM-8792 ASM-8793 ASM-8794 ASM-9137 ASM-8766 ASM-8769 ASM-8770 ASM-8771 ASM-8772 ASM-8773 ASM-8774 ASM-8775 ASM-8776
EOS

$campos = {
  :nome_logo => 'logo_adega_sul.png',
  :chave_nfe => '41110504505771000191550010000004161391758308',
  :ambiente => '2',
  :chave_nfe_formatada => '4111 0504 5057 7100 0191 5500 1000 0004 1613 9175 8308',
  #:formulario_seguranca => '0',
  #:titulo_dados_nfe => 'PROTOCOLO DE AUTORIZAÇÃO DE USO',
  #:conteudo_dados_nfe => '11090123456789 10/01/2011 10:00:00',
  :formulario_seguranca => '1',
  :titulo_dados_nfe => 'DADOS DA NF-E',
  :conteudo_dados_nfe => '412030889240001800000000004540012257',
  :forma_emissao => '1',
  :numero => '10200',
  :serie => '900',
  :nome_emitente => 'Reciclamix Tamandaré Comércio de Materiais Recicláveis Ltda.',
  :dados_emitente => "R. Justo Manfron, 1620 - Lamenha\nPequena - Almirante Tamandaré - PR\nCEP: 83.508-185 - Tel.: (41) 3272-1013",
  :cnpj_emitente => '10.364.208/0001-43',
  :inscricao_estadual_emitente => '9050417546',
  :inscricao_estadual_st_emitente => '',
  :informacoes_adicionais_contribuinte => $informacoes_adicionais_contribuinte,
  :natureza_operacao => 'Venda',
  :tipo_documento => '1',
  :data_emissao => '10/01/2011',
  :data_entrada_saida => '10/01/2011',
  :hora_entrada_saida => '0:00:00',
  :nome_destinatario => 'ANTONIO GENESIO CHAVES PEREIRA',
  :cnpj_destinatario => '09.147.813/0001-83',
  :inscricao_estadual_destinatario => '271259213',
  :logradouro_destinatario => 'RUA BAHIA, 60 A',
  :bairro_destinatario => '18 DO FORTE',
  :municipio_destinatario => 'Aracaju',
  :uf_destinatario => 'SE',
  :cep_destinatario => '49.072-050',
  :telefone_destinatario => '',
  :valor_produtos => '907,83',
  :valor_desconto => '0,01',
  :valor_total => '907,82',
  :icms_base_calculo => '907,83',
  :icms_valor_total => '63,55',
  :icms_base_calculo_st => '0,00',
  :icms_valor_total_st => '0,00',
  :valor_ipi => '0,00',
  :valor_outras_despesas => '0,00',
  :valor_frete => '0,00',
  :valor_seguro => '0,00',
  :modalidade_frete => 'Do destinatário',
  :nome_transportador => '',
  :cnpj_transportador => '',
  :inscricao_estadual_transportador => '',
  :endereco_transportador => '',
  :municipio_transportador => '',
  :uf_transportador => '',
  :veiculo_placa => '',
  :veiculo_uf => '',
  :veiculo_rntc => '',
  :numero_protocolo => '11090123456789',
  :duplicatas => [
    {
      :numero => '000070-1',
      :data_vencimento => '18/03/2010',
      :valor => '961,50'
    },
    {
      :numero => '000070-2',
      :data_vencimento => '18/03/2010',
      :valor => '961,50'
    },
    {
      :numero => '000070-3',
      :data_vencimento => '18/03/2010',
      :valor => '961,50'
    },
    {
      :numero => '000070-4',
      :data_vencimento => '17/01/2011',
      :valor => '978,32'
    },
    {
      :numero => '000070-5',
      :data_vencimento => '17/01/2011',
      :valor => '978,32'
    },
    {
      :numero => '000070-6',
      :data_vencimento => '17/01/2011',
      :valor => '978,32'
    },
    {
      :numero => '000070-7',
      :data_vencimento => '18/03/2010',
      :valor => '978,30'
    }
  ],
  :volumes => [
    {
      :quantidade => '1',
      :especie => 'CAIXA',
      :marca => '',
      :numero => '',
      :peso_liquido => '',
      :peso_bruto => ''
    },
    {
      :quantidade => '4',
      :especie => 'PACOTE',
      :marca => '',
      :numero => '',
      :peso_liquido => '',
      :peso_bruto => ''
    }
  ],
  :itens => [
    {
      :codigo_produto => 'TN05V',
      :codigo_ncm => '39199000',
      :valor_unitario_comercial => '2,5217',
      :unidade_comercial => 'M',
      :quantidade_comercial => '300,00',
      :valor_bruto => '756,52',
      :cfop => '6102',
      :ipi_item_aliquota => '15,00',
      :ipi_item_valor => '0,00',
      :descricao => 'CARROCERIA ABERTA C/ 5,65M 5101 UN DE COMPR., COLOCADA EM M.BENZ 1620; CHASSI 9BM695014YB236958; PLACA MBY-5669',
      :icms_item_situacao_tributaria => '100',
      :icms_item_base_calculo => '756,52',
      :icms_item_aliquota => '7,00',
      :icms_item_valor => '52,96'
    }
  ]
}

m = Benchmark.measure do
  danfe = Danfe.new($campos)
  danfe.draw
end

puts m

`cmd /c start prawn.pdf`