Class: Smartware::Interface::Printer

Inherits:
Smartware::Interface show all
Defined in:
lib/smartware/interfaces/printer.rb

Constant Summary collapse

HARDWARE_ERROR = 
1
COMMUNICATION_ERROR = 
2
OUT_OF_PAPER = 
3
PAPER_NEAR_END = 
1000

Instance Method Summary collapse

Constructor Details

#initialize(config, service) ⇒ Printer

Returns a new instance of Printer.



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# File 'lib/smartware/interfaces/printer.rb', line 10

def initialize(config, service)
  super

  @printer_mutex = Mutex.new
  Thread.new &method(:poll)
  @render = @device.new_render
  @markdown = Redcarpet::Markdown.new(@render)
end

Instance Method Details



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# File 'lib/smartware/interfaces/printer.rb', line 32

def print(file, max_time = 30)
  File.open(file, "r") do |io|
    print_markdown io.read, max_time
  end
end

#print_markdown(text, max_time = 30) ⇒ Object 



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# File 'lib/smartware/interfaces/printer.rb', line 38

def print_markdown(text, max_time = 30)
  do_print @markdown.render(text), max_time
end

#print_text(text, max_time = 30) ⇒ Object 



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# File 'lib/smartware/interfaces/printer.rb', line 42

def print_text(text, max_time = 30)
  data = "".force_encoding("BINARY")
  data << @render.doc_header.force_encoding("BINARY") if @render.respond_to? :doc_header
  data << @render.normal_text(text, true).force_encoding("BINARY") if @render.respond_to? :normal_text
  data << @render.linebreak.force_encoding("BINARY") if @render.respond_to? :linebreak
  data << @render.doc_footer.force_encoding("BINARY") if @render.respond_to? :doc_footer

  do_print data, max_time
end

#test ⇒ Object 



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# File 'lib/smartware/interfaces/printer.rb', line 19

def test
  print_markdown <<-EOS
Smartware: **#{Smartware::VERSION}**

Driver:  **#{@config["driver"]}**

Model:   **#{@device.model}**

Version: **#{@device.version}**

EOS
end