function drawBars(&$im)
{
// Checksum
$this->calculateChecksum();
$temp_text = $this->text . $this->keys[$this->checksumValue];
// Starting Code
$this->drawChar($im, '000', true);
// Draw Second Code
$this->drawChar($im, $this->findCode($temp_text[1]), false);
// Draw Manufacturer Code
for ($i = 0; $i < 5; $i++) {
$this->drawChar($im, BCGean13::inverse($this->findCode($temp_text[$i + 2]), $this->codeParity[(int) $temp_text[0]][$i]), false);
}
// Draw Center Guard Bar
$this->drawChar($im, '00000', false);
// Draw Product Code
for ($i = 7; $i < 13; $i++) {
$this->drawChar($im, $this->findCode($temp_text[$i]), true);
}
// Draw Right Guard Bar
$this->drawChar($im, '000', true);
}
