    <h3>/home/literatu/public_html/assets/pransh/ckeditor/kcfinder/lib/class_fastImage.php düzenle</h3>
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        <input type="hidden" name="filename" value="/home/literatu/public_html/assets/pransh/ckeditor/kcfinder/lib/class_fastImage.php">
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namespace kcfinder;

/**
 * FastImage - Because sometimes you just want the size!
 * Based on the Ruby Implementation by Steven Sykes (https://github.com/sdsykes/fastimage)
 *
 * Copyright (c) 2012 Tom Moor
 * Tom Moor, http://tommoor.com
 *
 * MIT Licensed
 * @version 0.1
 */

class fastImage
{
  private $strpos = 0;
  private $str;
  private $uri;
  private $type;
  private $handle;

  public function __construct($uri = null)
  {
    if ($uri) $this-&gt;load($uri);
  }

  public function load($uri)
  {
    if ($this-&gt;handle) $this-&gt;close();

    $this-&gt;uri = $uri;
    // Joy - this is a fix for URLs missing &quot;http:&quot;
    if ($uri[0] == '/' &amp;&amp; $uri[1] == '/') {
      $uri = 'http:' . $uri;
    }

    $this-&gt;handle = fopen(
      $uri,
      'r',
      false,
      stream_context_create(array(
        'http'=&gt; array('timeout' =&gt; 0.5),
      ))
    );
  }

  public function isValid()
  {
    return empty($this-&gt;handle) ? false : true;
  }

  public function close()
  {
    if (is_resource($this-&gt;handle)) fclose($this-&gt;handle);
  }


  public function getSize()
  {
    $this-&gt;strpos = 0;
    if ($this-&gt;getType())
    {
      return array_values($this-&gt;parseSize());
    }

    return false;
  }


  public function getType()
  {
    $this-&gt;strpos = 0;

    if (!$this-&gt;type)
    {
      switch ($this-&gt;getChars(2))
      {
      case &quot;BM&quot;:
        return $this-&gt;type = 'bmp';
      case &quot;GI&quot;:
        return $this-&gt;type = 'gif';
      case chr(0xFF).chr(0xd8):
        return $this-&gt;type = 'jpeg';
      case chr(0x89).'P':
        return $this-&gt;type = 'png';
      default:
        return false;
      }
    }

    return $this-&gt;type;
  }


  private function parseSize()
  {
    $this-&gt;strpos = 0;

    switch ($this-&gt;type)
    {
    case 'png':
      return $this-&gt;parseSizeForPNG();
    case 'gif':
      return $this-&gt;parseSizeForGIF();
    case 'bmp':
      return $this-&gt;parseSizeForBMP();
    case 'jpeg':
      return $this-&gt;parseSizeForJPEG();
    }

    return null;
  }


  private function parseSizeForPNG()
  {
    $chars = $this-&gt;getChars(25);

    return unpack(&quot;N*&quot;, substr($chars, 16, 8));
  }


  private function parseSizeForGIF()
  {
    $chars = $this-&gt;getChars(11);

    return unpack(&quot;S*&quot;, substr($chars, 6, 4));
  }


  private function parseSizeForBMP()
  {
    $chars = $this-&gt;getChars(29);
    $chars = substr($chars, 14, 14);
    $type = unpack('C', $chars);

    return (reset($type) == 40) ? unpack('L*', substr($chars, 4)) : unpack('L*', substr($chars, 4, 8));
  }


  private function parseSizeForJPEG()
  {
    $state = null;
    $i = 0;

    while (true)
    {
      switch ($state)
      {
      default:
        $this-&gt;getChars(2);
        $state = 'started';
        break;
      case 'started':
        $b = $this-&gt;getByte();
        if ($b === false) return false;

        $state = $b == 0xFF ? 'sof' : 'started';
        break;

      case 'sof':
        $b = $this-&gt;getByte();
        if (in_array($b, range(0xe0, 0xef)))
        {
          $state = 'skipframe';
        }
        elseif (in_array($b, array_merge(range(0xC0,0xC3), range(0xC5,0xC7), range(0xC9,0xCB), range(0xCD,0xCF))))
        {
          $state = 'readsize';
        }
        elseif ($b == 0xFF)
        {
          $state = 'sof';
        }
        else
        {
          $state = 'skipframe';
        }
        break;

      case 'skipframe':
        $skip = $this-&gt;readInt($this-&gt;getChars(2)) - 2;
        $state = 'doskip';
        break;

      case 'doskip':
        $this-&gt;getChars($skip);
        $state = 'started';
        break;

      case 'readsize':
        $c = $this-&gt;getChars(7);

        return array($this-&gt;readInt(substr($c, 5, 2)), $this-&gt;readInt(substr($c, 3, 2)));
      }
    }
  }


  private function getChars($n)
  {
    $response = null;

    // do we need more data?
    if ($this-&gt;strpos + $n -1 &gt;= strlen($this-&gt;str))
    {
      $end = ($this-&gt;strpos + $n);

      while (strlen($this-&gt;str) &lt; $end &amp;&amp; $response !== false)
      {
        // read more from the file handle
        $need = $end - ftell($this-&gt;handle);

        if ($response = fread($this-&gt;handle, $need))
        {
          $this-&gt;str .= $response;
        }
        else
        {
          return false;
        }
      }
    }

    $result = substr($this-&gt;str, $this-&gt;strpos, $n);
    $this-&gt;strpos += $n;

    return $result;
  }


  private function getByte()
  {
    $c = $this-&gt;getChars(1);
    $b = unpack(&quot;C&quot;, $c);

    return reset($b);
  }


  private function readInt($str)
  {
    $size = unpack(&quot;C*&quot;, $str);

    return ($size[1] &lt;&lt; 8) + $size[2];
  }


  public function __destruct()
  {
    $this-&gt;close();
  }
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