Method next

text-to-qr/lib/phpqrcode/qrencode.php:339–390

----------------------------------------------------------------------

()

        
        //----------------------------------------------------------------------
        public function next()
        {
            do {
            
                if($this->bit == -1) {
                    $this->bit = 0;
                    return array('x'=>$this->x, 'y'=>$this->y);
                }

                $x = $this->x;
                $y = $this->y;
                $w = $this->width;

                if($this->bit == 0) {
                    $x--;
                    $this->bit++;
                } else {
                    $x++;
                    $y += $this->dir;
                    $this->bit--;
                }

                if($this->dir < 0) {
                    if($y < 0) {
                        $y = 0;
                        $x -= 2;
                        $this->dir = 1;
                        if($x == 6) {
                            $x--;
                            $y = 9;
                        }
                    }
                } else {
                    if($y == $w) {
                        $y = $w - 1;
                        $x -= 2;
                        $this->dir = -1;
                        if($x == 6) {
                            $x--;
                            $y -= 8;
                        }
                    }
                }
                if($x < 0 || $y < 0) return null;

                $this->x = $x;
                $this->y = $y;

            } while(ord($this->frame[$y][$x]) & 0x80);
                        
            return array('x'=>$x, 'y'=>$y);
        }
        
    } ;