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phpMyAdmin/vendor/bacon/bacon-qr-code/src/BaconQrCode/Encoder/ByteMatrix.php

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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;
+    }
+}