public function __construct(Matrix $_matrix, $_row)
{
if (($row = (int) $_row) < 0 || $row >= $_matrix->u_size) {
parent::__construct(0);
} else {
parent::__construct($_matrix->u_stride, $_matrix->u_stride * $row, $_matrix->u_data);
}
}
public function __isset($_name)
{
switch ($_name) {
case "x":
case "X":
case "y":
case "Y":
return true;
default:
return parent::__isset($_name);
}
}
public function __construct($_length)
{
parent::__construct($_length);
}