public function rotate()
{
$asset = $this->getItem();
$length = $asset->length;
$chunkSize = $asset->chunkSize;
$chunks = ceil($length / $chunkSize);
$collChunkName = $asset->collectionNameGridFS() . ".chunks";
$collChunks = $asset->getDb()->{$collChunkName};
$binImagedata = null;
for ($i = 0; $i < $chunks; $i++) {
$chunk = $collChunks->findOne(array("files_id" => $asset->_id, "n" => $i));
$binImagedata .= $chunk["data"]->bin;
}
$dscImage = new \Dsc\Image(\imagecreatefromstring($binImagedata));
$dscImage->rotate($this->app->get('PARAMS.degrees'), null, false);
$buffer = $dscImage->toBuffer();
$asset->replace($buffer);
$this->app->reroute('/admin/asset/edit/' . $this->app->get('PARAMS.id'));
}
//set last-modified header
header("Last-Modified: " . gmdate("D, d M Y H:i:s", $lastModified) . " GMT");
//set etag-header
header("Etag: {$etagFile}");
//make sure caching is turned on
header('Cache-Control: public');
// set content type header
header('Content-type: ' . $item->get('contentType'));
//check if page has changed. If not, send 304 and exit
if (@strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $lastModified || $etagHeader == $etagFile) {
header("HTTP/1.1 304 Not Modified");
exit;
}
// display the binary data
$length = $item->get("length");
$chunkSize = $item->get("chunkSize");
$chunks = ceil($length / $chunkSize);
$collChunkName = $model->collectionNameGridFS() . ".chunks";
$collChunks = $model->getDb()->{$collChunkName};
$binImagedata = null;
for ($i = 0; $i < $chunks; $i++) {
$chunk = $collChunks->findOne(array("files_id" => $item->_id, "n" => $i));
$binImagedata .= $chunk["data"]->bin;
}
if (!empty($height) && !empty($width)) {
$img = new \Dsc\Image(imagecreatefromstring($binImagedata));
$img->resize($width, $height, false);
echo $img->toBuffer();
} else {
echo $binImagedata;
}
