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<?php
/**
* BaconQrCode
*
* @link http://github.com/Bacon/BaconQrCode For the canonical source repository
* @copyright 2013 Ben 'DASPRiD' Scholzen
* @license http://opensource.org/licenses/BSD-2-Clause Simplified BSD License
*/
namespace BaconQrCode\Encoder;
use SplFixedArray;
/**
* Byte matrix.
*/
class ByteMatrix
{
/**
* Bytes in the matrix, represented as array.
*
* @var SplFixedArray
*/
protected $bytes;
/**
* Width of the matrix.
*
* @var integer
*/
protected $width;
/**
* Height of the matrix.
*
* @var integer
*/
protected $height;
/**
* Creates a new byte matrix.
*
* @param integer $width
* @param integer $height
*/
public function __construct($width, $height)
{
$this->height = $height;
$this->width = $width;
$this->bytes = new SplFixedArray($height);
for ($y = 0; $y < $height; $y++) {
$this->bytes[$y] = new SplFixedArray($width);
}
}
/**
* Gets the width of the matrix.
*
* @return integer
*/
public function getWidth()
{
return $this->width;
}
/**
* Gets the height of the matrix.
*
* @return integer
*/
public function getHeight()
{
return $this->height;
}
/**
* Gets the internal representation of the matrix.
*
* @return SplFixedArray
*/
public function getArray()
{
return $this->bytes;
}
/**
* Gets the byte for a specific position.
*
* @param integer $x
* @param integer $y
* @return integer
*/
public function get($x, $y)
{
return $this->bytes[$y][$x];
}
/**
* Sets the byte for a specific position.
*
* @param integer $x
* @param integer $y
* @param integer $value
* @return void
*/
public function set($x, $y, $value)
{
$this->bytes[$y][$x] = (int) $value;
}
/**
* Clears the matrix with a specific value.
*
* @param integer $value
* @return void
*/
public function clear($value)
{
for ($y = 0; $y < $this->height; $y++) {
for ($x = 0; $x < $this->width; $x++) {
$this->bytes[$y][$x] = $value;
}
}
}
/**
* Returns a string representation of the matrix.
*
* @return string
*/
public function __toString()
{
$result = '';
for ($y = 0; $y < $this->height; $y++) {
for ($x = 0; $x < $this->width; $x++) {
switch ($this->bytes[$y][$x]) {
case 0:
$result .= ' 0';
break;
case 1:
$result .= ' 1';
break;
default:
$result .= ' ';
break;
}
}
$result .= "\n";
}
return $result;
}
}
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