/**
* Check is current cache is expired
*/
public function isExpired()
{
if (!FS::isFile($this->_resultFile)) {
return true;
}
$fileAge = abs(time() - filemtime($this->_resultFile));
if ($fileAge >= $this->_cache_ttl) {
return true;
}
$firstLine = trim(FS::firstLine($this->_resultFile));
$expected = trim($this->_getHeader());
if ($expected === $firstLine) {
return false;
}
return true;
}
/**
* Determine textbox size
*
* @param string $fontSize
* @param int $angle
* @param string $fontFile
* @param string $text
* @return array
*
* @throws Exception
*/
protected static function _getTextboxSize($fontSize, $angle, $fontFile, $text)
{
// Determine textbox size
$fontPath = FS::clean($fontFile);
if (!FS::isFile($fontPath)) {
throw new Exception('Unable to load font: ' . $fontFile);
}
$box = imagettfbbox($fontSize, $angle, $fontFile, $text);
$boxWidth = abs($box[6] - $box[2]);
$boxHeight = abs($box[7] - $box[1]);
return array($boxWidth, $boxHeight);
}
/**
* Adds a timestamp to a file based resource based on the value of `Asset.timestamp` in Configure.
*
* @param string $path
* @return null|string
*/
public function assetTimestamp($path)
{
if ($this->_timeStampEnable() && strpos($path, '?') === false) {
$Path = $this->_View->getPath();
if ($Path->isVirtual($path)) {
$path = $Path->get($path);
}
if (FS::isFile($path)) {
//@codingStandardsIgnoreStart
return $path . '?' . @filemtime($path);
//@codingStandardsIgnoreEnd
}
}
return $path;
}
/**
* Load an image
*
* @param string $filename Path to image file
* @return $this
*
* @throws Exception
*/
public function loadFile($filename)
{
$cleanFilename = FS::clean($filename);
if (!FS::isFile($cleanFilename)) {
throw new Exception('Image file not forund: ' . $filename);
}
$this->cleanup();
$this->_filename = $cleanFilename;
$this->_loadMeta();
return $this;
}
/**
* Preg replace callback url.
*
* @param $match
* @return null|string
*/
protected function _replaceUrlCallback($match)
{
$path = FS::clean($match[2], '/');
if (isset($path[2]) && $path[2] == ':') {
$path = ltrim($match[2], '/');
}
$url = null;
if (FS::isFile($path)) {
$url = $this->_path->url($path);
}
return $this->_getAssetUrl($url);
}
public function testIsFile()
{
isFalse(FS::isFile(__DIR__));
isTrue(FS::isFile(__FILE__));
}
