/**
* <p>Computes the dimension (number of modules on a size) of the QR Code based on the position
* of the finder patterns and estimated module size.</p>
*/
private static function computeDimension($topLeft, $topRight, $bottomLeft, $moduleSize)
{
$tltrCentersDimension = MathUtils::round(ResultPoint::distance($topLeft, $topRight) / $moduleSize);
$tlblCentersDimension = MathUtils::round(ResultPoint::distance($topLeft, $bottomLeft) / $moduleSize);
$dimension = ($tltrCentersDimension + $tlblCentersDimension) / 2 + 7;
switch ($dimension & 0x3) {
// mod 4
case 0:
$dimension++;
break;
// 1? do nothing
// 1? do nothing
case 2:
$dimension--;
break;
case 3:
throw NotFoundException::getNotFoundInstance();
}
return $dimension;
}
