| | <?php |
| | |
| | |
| | |
| | |
| | |
| |
|
| | namespace PHPQRCode; |
| |
|
| | class FrameFiller { |
| |
|
| | public $width; |
| | public $frame; |
| | public $x; |
| | public $y; |
| | public $dir; |
| | public $bit; |
| |
|
| | |
| | public function __construct($width, &$frame) |
| | { |
| | $this->width = $width; |
| | $this->frame = $frame; |
| | $this->x = $width - 1; |
| | $this->y = $width - 1; |
| | $this->dir = -1; |
| | $this->bit = -1; |
| | } |
| |
|
| | |
| | public function setFrameAt($at, $val) |
| | { |
| | $this->frame[$at['y']][$at['x']] = chr($val); |
| | } |
| |
|
| | |
| | public function getFrameAt($at) |
| | { |
| | return ord($this->frame[$at['y']][$at['x']]); |
| | } |
| |
|
| | |
| | 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); |
| | } |
| |
|
| | } ; |
