# phpman > perldoc > GD::Barcode::COOP2of5

## NAME
    [GD::Barcode::COOP2of5](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5/markdown) - Create COOP2of5 barcode image with GD

## SYNOPSIS
    *ex. CGI*

      use [GD::Barcode::COOP2of5](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5/markdown);
      binmode(STDOUT);
      print "Content-Type: image/png\n\n";
      print [GD::Barcode::COOP2of5](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5/markdown)->new('1234567890')->plot->png;

    *with Error Check*

      my $oGdBar = [GD::Barcode::COOP2of5](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5/markdown)->new('A12345678');
      die $[GD::Barcode::COOP2of5::errStr](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5%3A%3AerrStr/markdown) unless($oGdBar);   #Invalid Characters
      $oGdBar->plot->png;

## DESCRIPTION
    [GD::Barcode::COOP2of5](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5/markdown) is a subclass of [GD::Barcode](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode/markdown) and allows you to create COOP2of5 barcode
    image with GD.

  new
    *$oGdBar* = [GD::Barcode::COOP2of5](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5/markdown)->new(*$sTxt*);

    Constructor. Creates a [GD::Barcode::COOP2of5](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5/markdown) object for *$sTxt*. *$sTxt* has numeric
### characters

  plot()
    *$oGd* = $oGdBar->plot([Height => *$iHeight*, NoText => *0 | 1*]);

    creates GD object with barcode image for the *$sTxt* specified at new method. *$iHeight* is
    height of the image. If *NoText* is 1, the image has no text image of *$sTxt*.

     ex.
      my $oGdB = [GD::Barcode::COOP2of5](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5/markdown)->new('12345678');
      my $oGD = $oGdB->plot(NoText=>1, Height => 20);
      # $sGD is a GD image with Height=>20 pixels, with no text.

  barcode()
    *$sPtn* = $oGdBar->barcode();

    returns a barcode pattern in string with '1' and '0'. '1' means black, '0' means white.

     ex.
      my $oGdB = [GD::Barcode::COOP2of5](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5/markdown)->new('12345678');
      my $sPtn = $oGdB->barcode();

  $errStr
    $[GD::Barcode::COOP2of5::errStr](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode%3A%3ACOOP2of5%3A%3AerrStr/markdown)

    has error message.

  $text
    $oGdBar->{$text}

    has barcode text based on *$sTxt* specified in new method.

## AUTHOR
    Kawai Takanori <GCD00051@nifty.ne.jp>

## COPYRIGHT
    The [GD::Barocde::COOP2of5](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarocde%3A%3ACOOP2of5/markdown) module is Copyright (c) 2000 Kawai Takanori. Japan. All rights
    reserved.

    You may distribute under the terms of either the GNU General Public License or the Artistic
    License, as specified in the Perl README file.

## SEE ALSO
    [GD::Barcode](https://www.chedong.com/phpMan.php/perldoc/GD%3A%3ABarcode/markdown)