Eduardokum\LaravelBoleto\Boleto\Render\AbstractPdf::rotate PHP Method

    protected function rotate($angle, $x = -1, $y = -1)
    {
        if ($x == -1) {
            $x = $this->x;
        }
        if ($y == -1) {
            $y = $this->y;
        }
        if ($this->angle != 0) {
            $this->_out('Q');
        }
        if ($angle != 0) {
            $angle *= M_PI / 180;
            $c = cos($angle);
            $s = sin($angle);
            $cx = $x * $this->k;
            $cy = ($this->h - $y) * $this->k;
            $this->_out(sprintf('q %.5f %.5f %.5f %.5f %.2f %.2f cm 1 0 0 1 %.2f %.2f cm', $c, $s, -$s, $c, $cx, $cy, -$cx, -$cy));
        }
    }