/**
* @param string $name
* @param array $headers
*
* @return static
*/
public static function create($name, array $headers = [])
{
$container = new self($name);
$container->setHeaders($headers);
// set visibility
if (strstr($container->getMetadata()->get('Read'), '.r:*') !== false) {
$container->setPublic();
} else {
$container->setPrivate();
}
// set object count
if (null !== ($count = $container->headers->get('X-Container-Object-Count'))) {
$container->setObjectCount($count);
}
// set bytes
if (null !== ($bytes = $container->headers->get('X-Container-Bytes-Used'))) {
$container->setBytesUsed($bytes);
}
return $container;
}
/**
* Useful method to calculate real crop measures. Used when you crop an image
* which is smaller than the original one. In those cases you can call
* calculateCropMeasures to retrieve the real $ox, $oy, $dx & $dy of the
* image to be cropped.
*
* Note that you need to set the destiny image and pass the smaller (cropped)
* image to this function.
*
* @param string|Image $croppedFile The cropped image.
* @param mixed $ox Origin X.
* @param int $oy Origin Y.
* @param int $dx Destiny X.
* @param int $dy Destiny Y.
* @return array
*/
public function calculateCropMeasures($croppedFile, $ox, $oy = null, $dx = null, $dy = null)
{
list($ox, $oy, $dx, $dy) = Normalize::cropMeasures($ox, $oy, $dx, $dy);
if (!$croppedFile instanceof self) {
$croppedFile = new self($croppedFile);
}
$meta = $croppedFile->getMetadata();
$rateWidth = $this->width / $meta['width'];
$rateHeight = $this->height / $meta['height'];
$ox = round($ox * $rateWidth);
$oy = round($oy * $rateHeight);
$dx = round($dx * $rateHeight);
$dy = round($dy * $rateHeight);
$width = $dx - $ox;
$height = $dy - $oy;
return [$ox, $oy, $dx, $dy, $width, $height];
}
/**
* Parse a info object from a string
*
* @param string $stream
* @return InfoObject
*/
public static function parse($stream)
{
$info = new self();
$info->setIndex(substr($stream, 0, strpos($stream, ' ')));
$stream = str_replace($info->getIndex() . ' 0 obj', '[{info_index}] 0 obj', $stream);
// Determine the Creator
if (strpos($stream, '/Creator') !== false) {
$creator = substr($stream, strpos($stream, '/Creator'));
$creator = substr($creator, strpos($creator, '('));
$creator = substr($creator, 0, strpos($creator, ')'));
$creator = str_replace('(', '', $creator);
$stream = str_replace('Creator(' . $creator . ')', 'Creator([{creator}])', $stream);
$info->getMetadata()->setCreator($creator);
} else {
$stream = str_replace('>>', '/Creator([{creator}])>>', $stream);
}
// Determine the CreationDate
if (strpos($stream, '/CreationDate') !== false) {
$creationDate = substr($stream, strpos($stream, '/CreationDate'));
$creationDate = substr($creationDate, strpos($creationDate, '('));
$creationDate = substr($creationDate, 0, strpos($creationDate, ')'));
$creationDate = str_replace('(', '', $creationDate);
$stream = str_replace('CreationDate(' . $creationDate . ')', 'CreationDate([{creation_date}])', $stream);
$info->getMetadata()->setCreationDate($creationDate);
} else {
$stream = str_replace('>>', '/CreationDate([{creation_date}])>>', $stream);
}
// Determine the ModDate
if (strpos($stream, '/ModDate') !== false) {
$modDate = substr($stream, strpos($stream, '/ModDate'));
$modDate = substr($modDate, strpos($modDate, '('));
$modDate = substr($modDate, 0, strpos($modDate, ')'));
$modDate = str_replace('(', '', $modDate);
$stream = str_replace('ModDate(' . $modDate . ')', 'ModDate([{mod_date}])', $stream);
$info->getMetadata()->setModDate($modDate);
} else {
$stream = str_replace('>>', '/ModDate([{mod_date}])>>', $stream);
}
// Determine the Author
if (strpos($stream, '/Author') !== false) {
$author = substr($stream, strpos($stream, '/Author'));
$author = substr($author, strpos($author, '('));
$author = substr($author, 0, strpos($author, ')'));
$author = str_replace('(', '', $author);
$stream = str_replace('Author(' . $author . ')', 'Author([{author}])', $stream);
$info->getMetadata()->setAuthor($author);
} else {
$stream = str_replace('>>', '/Author([{author}])>>', $stream);
}
// Determine the Title
if (strpos($stream, '/Title') !== false) {
$title = substr($stream, strpos($stream, '/Title'));
$title = substr($title, strpos($title, '('));
$title = substr($title, 0, strpos($title, ')'));
$title = str_replace('(', '', $title);
$stream = str_replace('Title(' . $title . ')', 'Title([{title}])', $stream);
$info->getMetadata()->setTitle($title);
} else {
$stream = str_replace('>>', '/Title([{title}])>>', $stream);
}
// Determine the Subject
if (strpos($stream, '/Subject') !== false) {
$subject = substr($stream, strpos($stream, '/Subject'));
$subject = substr($subject, strpos($subject, '('));
$subject = substr($subject, 0, strpos($subject, ')'));
$subject = str_replace('(', '', $subject);
$stream = str_replace('Subject(' . $subject . ')', 'Subject([{subject}])', $stream);
$info->getMetadata()->setSubject($subject);
} else {
$stream = str_replace('>>', '/Subject([{subject}])>>', $stream);
}
// Determine the Producer
if (strpos($stream, '/Producer') !== false) {
$producer = substr($stream, strpos($stream, '/Producer'));
$producer = substr($producer, strpos($producer, '('));
$producer = substr($producer, 0, strpos($producer, ')'));
$producer = str_replace('(', '', $producer);
$stream = str_replace('Producer(' . $producer . ')', 'Producer([{producer}])', $stream);
$info->getMetadata()->setProducer($producer);
} else {
$stream = str_replace('>>', '/Producer([{producer}])>>', $stream);
}
$info->setData($stream);
return $info;
}
