public static function uniqueBarcode($mac = NULL, $min = 11111111111, $max = 99999999999)
{
if ($mac == NULL) {
$mac = Util::getCONNECTED_MAC(NULL);
}
if ($mac == NULL) {
return Proximus::barcode();
}
$identifier = "" . mt_rand($min, $max);
try {
$res = Proximus::onetimeUniqueUser("./uniqueBarcode.txt", $mac, $identifier);
if ($res != NULL || isset($res[2])) {
$identifier = trim($res[2]);
}
} catch (Exception $e) {
$identifier = trim($identifier);
}
Logger::barcode('UPC-A', $identifier, $mac);
$font = new BCGFontFile('/home/proximus/bin/php/barcode/font/Arial.ttf', 18);
$color_black = new BCGColor(0, 0, 0);
$color_white = new BCGColor(255, 255, 255);
$drawException = null;
try {
$code = new BCGupca();
$code->setScale(2);
// Resolution
$code->setThickness(30);
// Thickness
$code->setForegroundColor($color_black);
// Color of bars
$code->setBackgroundColor($color_white);
// Color of spaces
$code->setFont($font);
// Font (or 0)
$code->parse($identifier);
// Text
} catch (Exception $exception) {
$drawException = $exception;
}
$drawing = new BCGDrawing('', $color_white);
if ($drawException) {
$drawing->drawException($drawException);
} else {
$drawing->setBarcode($code);
$drawing->draw();
}
header('Content-Type: image/png');
$drawing->finish(BCGDrawing::IMG_FORMAT_PNG);
}
/**
* Draws the barcode
*
* @param resource $im
*/
function draw(&$im)
{
$error_stop = false;
// Checking if all chars are allowed
$c = strlen($this->text);
for ($i = 0; $i < $c; $i++) {
if (array_search($this->text[$i], $this->keys) === false) {
$this->drawError($im, 'Char \'' . $this->text[$i] . '\' not allowed.');
$error_stop = true;
}
}
if ($error_stop === false) {
// Must contain 11 chars
if ($c !== 11) {
$this->drawError($im, 'Must contain 11 chars, the 12th digit is automatically added.');
$error_stop = true;
}
if ($error_stop === false) {
// The following code is exactly the same as EAN13. We just add a 0 in front of the code !
$this->text = '0' . $this->text;
// We will remove it at the end... don't worry
// 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, BCGupca::inverse($this->findCode($temp_text[$i + 2]), $this->codeParity[$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);
$this->drawText($im);
// We remove the 0 in front, as we said :)
$this->text = substr($this->text, 1);
}
}
}
