barcode generating in ruby on rails

[fruti saritha]

Can any one help..how to generate a barcode by using barby gem......i
am getting image file of 7bytes in jpeg , png formats but it was not
opened in any photo viewers...even pdf format also.............

**********LOOKING FOR YOUR VALUABLE REPLAY *********************
THANKS IN ADVANSE

[Tore Darell]

How are you generating it? Code?

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[Philippe Nenert]

Where is your code ?
If you want help, give your code !!!
Thanks, Philippe

[fruti saritha]

class UsingBarby < ActiveRecord::Base

# Gemfile, run bundle install after adding
gem 'barby'
gem 'chunky_png'

# some code to generate the png file using 3 of 9 barcode style
require 'barby'
require 'barby/barcode/code_128'
require 'barby/outputter/png_outputter'
#require 'barby/outputter/svg_outputter'
#require 'barby/outputter/ascii_outputter'
#require 'barby/outputter/pdfwriter'
#require 'barby/outputter/rmagick_outputter'

barcode = Barby::Code128B.new('saritha')
File.open('exleaz.png', 'w'){|f|

f.write barcode.to_png(:margin => 3, :xdim => 2, :height => 55)
}

end

[fruti saritha]

I AM USING WINDOWS7 OS , RUBY 1.8.7 RAILS 2.3.8.
i am getting output in .svg format.
still i require it in jpeg or png format.......
please help for this.....

thanks,saritha

[JMcCleery]

I had the same problem on windows. Windows automatically converts cr
control characters into crlf characters unless you use the binary
write option. Use:
File.open('exleaz.png', 'bw'){|f|

[fruti saritha]

when i was trying with the above mode i.e, bw mode i am getting
illegal access mode error...

can u help me.......

thanks,

Ch.sariths

[JMcCleery]

Sorry, I mis-wrote that. I just double-checked my code and it should
be 'wb' not 'bw':
File.open('exleaz.png', 'wb')

[fruti saritha]

hey.......I got the output. Thank You so much.

but , how to generate code at the bottom of the image.