drupal.zend.barcode128.php

<?php

function MYMODULE_generate_barcode128($string, $rebuild = FALSE) {
  
  $filepath = 'barcodes';
  $filename = "{$filepath}/" . md5($string) . ".png";  

  // First check if the images already exists.
  if (!file_exists(file_default_scheme()."://{$filename}") || $rebuild) {
    
    $zend_path = libraries_get_path('Zend');    
    set_include_path(get_include_path() . PATH_SEPARATOR . $zend_path);
 
    require_once 'Zend/Loader/Autoloader.php';
    Zend_Loader_Autoloader::getInstance();
        
    $barcodeOptions = array(
        'text' => $string,
        'barHeight' => 50,
        'factor' => 2
    );
 
    // No required options
    $rendererOptions = array(
        'imageType' => 'png'
    );
 
    // Draw the barcode in a new image
    $img = Zend_Barcode::draw('code128', 'image', $barcodeOptions, $rendererOptions);

    ob_start();
      @imagepng($img);
      $file = file_save_data(ob_get_contents(), file_default_scheme()."://{$filename}", TRUE);
    ob_end_clean();

    @imagedestroy($img);      
    
    $file_uri = $file->uri;
  }
  else {
    $file_uri = file_build_uri($filename);
  }
  
  $fileurl = file_create_url($file_uri);
  return $fileurl;
}

?>