function barcode_ean8_barcode in Barcode 6.2

Same name and namespace in other branches

1. 7.2 plugins/ean8.inc \barcode_ean8_barcode()

File

plugins/ean8.inc, line 13

Barcode plugin EAN-8: Short version of EAN-13, 8 characters

Code

function barcode_ean8_barcode($barnumber, $settings) {
  $barnumber = barcode_check_digit($barnumber, 7);
  $bars = barcode_ean8_encode($barnumber);
  if (empty($settings->filename_no_format)) {
    header("Content-type: image/" . $settings->format);
  }
  $scale = $settings->scale;
  if ($scale < 1) {
    $scale = 2;
  }
  $total_y = (double) $scale * $settings->height;
  if (!$space) {
    $space = array(
      'top' => 2 * $scale,
      'bottom' => 2 * $scale,
      'left' => 2 * $scale,
      'right' => 2 * $scale,
    );
  }

  /* count total width */
  $xpos = 0;
  $xpos = $scale * strlen($bars);

  /* allocate the image */
  $total_x = $xpos + $space['left'] + $space['right'];
  $xpos = $space['left'];
  $height = floor($total_y - $scale * 10);
  $height2 = floor($total_y - $space['bottom']);
  $im = @imagecreatetruecolor($total_x, $total_y);
  $bg_color = @imagecolorallocate($im, $settings->bgcolor[0], $settings->bgcolor[1], $settings->bgcolor[2]);
  @imagefilledrectangle($im, 0, 0, $total_x, $total_y, $bg_color);
  $bar_color = @imagecolorallocate($im, $settings->color[0], $settings->color[1], $settings->color[2]);
  for ($i = 0; $i < strlen($bars); $i++) {
    $h = $height;
    $val = strtoupper($bars[$i]);
    if (preg_match("/[a-z]/i", $val)) {
      $val = ord($val) - 65;
      $h = $height2;
    }
    if ($val == 1) {
      @imagefilledrectangle($im, $xpos, $space['top'], $xpos + $scale - 1, $h, $bar_color);
    }
    $xpos += $scale;
  }
  $str = substr($barnumber, 0, 4);
  $x = $space['left'] + $scale * strlen($barnumber);
  @imagettftext($im, $scale * 6, 0, $x, $height2, $bar_color, $settings->font, $str);
  $str = substr($barnumber, 4, 4);
  $x = $space['left'] + $scale * strlen($bars) / 1.65;
  @imagettftext($im, $scale * 6, 0, $x, $height2, $bar_color, $settings->font, $str);
  if ($settings->format == "png") {
    if (!empty($settings->filename_no_format)) {
      @imagepng($im, $settings->filename_no_format . "." . $settings->format);
    }
    else {
      @imagepng($im);
    }
  }
  if ($settings->format == "gif") {
    if (!empty($settings->filename_no_format)) {
      @imagegif($im, $settings->filename_no_format . "." . $settings->format);
    }
    else {
      @imagegif($im);
    }
  }
  if ($settings->format == "jpg" || $settings->format == "jpeg") {
    if (!empty($settings->filename_no_format)) {
      @imagejpeg($im, $settings->filename_no_format . "." . $settings->format);
    }
    else {
      @imagejpeg($im);
    }
  }
  @imagedestroy($im);
}