Microprinter_debug.rb

# TODO: turn this debug library into an rspec mock/stub; when testing, send serial data to a stub, so that we can test for expected responses, etc. 

class Microprinter_debug

  BARCODE_MODE_UPCA = 0x00
  BARCODE_MODE_UPCE = 0x01
  BARCODE_MODE_JAN13AEN = 0x02
  BARCODE_MODE_JAN8EAN = 0x03
  BARCODE_MODE_CODE39 = 0x04
  BARCODE_MODE_ITF = 0x05
  BARCODE_MODE_CODEABAR = 0x06
  BARCODE_MODE_CODE128 = 0x07

  BARCODE_WIDTH_NARROW = 0x02
  BARCODE_WIDTH_MEDIUM = 0x03
  BARCODE_WIDTH_WIDE = 0x04

  def initialize(port_str = "")
    puts "[Microprinter init]" 
  end

  def close
    puts "[Microprinter closing]"
  end

  # Feed this method either a string or an array of strings; each will be printed on its own line.
  #def print_text(text)
  #  text.each do |line|
  #    print("[print]#{line}\n")
  #  end
  #end

  def print(text)
    puts text
  end

  def print_line(text)
    puts("#{text}\n")
  end

  def feed 
    puts "[feed]\n\n\n"
  end

  def cut
    puts "[-----FULL CUT-----]"
  end
  
  def partial_cut
    puts "[-----PARTIAL CUT-----]"
  end  

  def feed_and_cut
    self.feed
    self.cut
  end
  
  def print_and_cut(text) # utility method. print line (or array of lines) then feed & cut
    self.print_line(text)
    self.feed_and_cut
  end

  def set_character_width_normal
    puts "[set print mode a (normal width text)]"
  end

  def set_character_width_narrow
    puts "[set print mode b (narrow width text)]"
  end

  def set_print_mode_a
    set_character_width_normal
  end

  def set_print_mode_b
    set_character_width_narrow
  end

  
  def set_font_weight_bold 
    puts "[set double print on (bold text)]"
  end
  
  def set_double_print_on 
    set_font_weight_bold
  end
  
  def set_font_weight_normal
    puts "[set double print off (normal weight text)]"
  end
  
  def set_double_print_off 
    set_font_weight_normal
  end
  
  def set_underline_on 
    puts "[set underline on]"
  end
  
  def set_underline_off 
    puts "[set underline off]"
  end
 
  def print_barcode(barcode_mode, barcode)
    puts "[barcode] ||||| #{barcode} (mode #{barcode_mode})"
  end

  def set_barcode_height(height) # in dots. default = 162
    puts "[set barcode height = #{height}]"
  end

  def set_barcode_width(width) # 2, 3 or 4. default = 3
    puts "[set barcode width = #{width}]"
  end
  
  def set_barcode_text_position(position) # 0-3
    puts "[set barcode text position = #{position}]"
  end


  def set_linefeed_rate(rate) #def = 22
    puts "[set linefeed rate = #{rate}]"
  end

  def print_image_row(data)
    puts "[print image row]"
  end

  def print_image_bytes(mode, data)
    puts "[print image bytes]"
  end
  
end