exit;
}
$sharedFile = \OC\Files\Filesystem::normalizePath($file);
}
if ($linkedItem['item_type'] === 'file') {
$parent = $pathInfo['parent'];
$path = $view->getPath($parent);
$sharedFile = $pathInfo['name'];
}
$path = \OC\Files\Filesystem::normalizePath($path, false);
if (substr($path, 0, 1) === '/') {
$path = substr($path, 1);
}
if ($maxX === 0 || $maxY === 0) {
\OC_Response::setStatus(\OC_Response::STATUS_BAD_REQUEST);
\OCP\Util::writeLog('core-preview', 'x and/or y set to 0', \OCP\Util::DEBUG);
exit;
}
$root = 'files/' . $path;
try {
$preview = new \OC\Preview($userId, $root);
$preview->setFile($sharedFile);
$preview->setMaxX($maxX);
$preview->setMaxY($maxY);
$preview->setScalingUp($scalingUp);
$preview->setKeepAspect($keepAspect);
$preview->showPreview();
} catch (\Exception $e) {
\OC_Response::setStatus(\OC_Response::STATUS_INTERNAL_SERVER_ERROR);
\OCP\Util::writeLog('core', $e->getmessage(), \OCP\Util::DEBUG);
}
$root = \OC\Files\Filesystem::getPath($linkItem['file_source']) . '/';
$images = array_map(function ($image) use($root) {
return $root . $image;
}, $images);
} else {
$root = '';
OCP\JSON::checkLoggedIn();
$user = OCP\User::getUser();
}
session_write_close();
$eventSource = new OC_EventSource();
foreach ($images as $image) {
$height = 200 * $scale;
if ($square) {
$width = 200 * $scale;
} else {
$width = 400 * $scale;
}
$userView = new \OC\Files\View('/' . $user);
$preview = new \OC\Preview($user, 'files', '/' . $image, $width, $height);
$preview->setKeepAspect(!$square);
$fileInfo = $userView->getFileInfo('/files/' . $image);
// if the thumbnails is already cached, get it directly from the filesystem to avoid decoding and re-encoding the image
$imageName = substr($image, strlen($root));
if ($path = $preview->isCached($fileInfo->getId())) {
$eventSource->send('preview', array('image' => $imageName, 'preview' => base64_encode($userView->file_get_contents('/' . $path))));
} else {
$eventSource->send('preview', array('image' => $imageName, 'preview' => (string) $preview->getPreview()));
}
}
$eventSource->close();
public function testKeepAspectRatioCover()
{
$originalWidth = 1680;
$originalHeight = 1050;
$originalAspectRation = $originalWidth / $originalHeight;
$preview = new \OC\Preview(self::TEST_PREVIEW_USER1, 'files/', 'testimage.jpg', 150, 150);
$preview->setKeepAspect(true);
$preview->setMode(\OC\Preview::MODE_COVER);
$image = $preview->getPreview();
$aspectRatio = $image->width() / $image->height();
$this->assertEquals(round($originalAspectRation, 2), round($aspectRatio, 2));
$this->assertGreaterThanOrEqual(150, $image->width());
$this->assertGreaterThanOrEqual(150, $image->height());
}
/**
* Initialises the preview
*
* @param int $width
* @param int $height
*
* @return \OC\Preview
*/
private function createPreview($width, $height)
{
$preview = new \OC\Preview(self::TEST_PREVIEW_USER1, 'files/', $this->sampleFilename, $width, $height);
$this->assertSame(true, $preview->isFileValid());
$preview->setKeepAspect($this->keepAspect);
$preview->setScalingup($this->scalingUp);
return $preview;
}
$img = $_GET['file'];
if (!empty($_GET['token'])) {
$linkItem = \OCP\Share::getShareByToken($_GET['token']);
if (!(is_array($linkItem) && isset($linkItem['uid_owner']))) {
exit;
}
// seems to be a valid share
$rootLinkItem = \OCP\Share::resolveReShare($linkItem);
$user = $rootLinkItem['uid_owner'];
// Setup filesystem
OCP\JSON::checkUserExists($user);
OC_Util::tearDownFS();
OC_Util::setupFS($user);
$fullPath = \OC\Files\Filesystem::getPath($linkItem['file_source']);
if ($fullPath === null) {
exit;
}
$img = trim($fullPath . '/' . $img);
} else {
OCP\JSON::checkLoggedIn();
$user = OCP\User::getUser();
}
session_write_close();
$square = isset($_GET['square']) ? (bool) $_GET['square'] : false;
if ($square) {
$preview = new \OC\Preview($user, 'files', '/' . $img, 200 * $scale, 200 * $scale);
} else {
$preview = new \OC\Preview($user, 'files', '/' . $img, 400 * $scale, 200 * $scale);
$preview->setKeepAspect(true);
}
$preview->showPreview();
/**
* return a preview of a file
*
* @param string $file The path to the file where you want a thumbnail from
* @param int $maxX The maximum X size of the thumbnail. It can be smaller depending on the shape of the image
* @param int $maxY The maximum Y size of the thumbnail. It can be smaller depending on the shape of the image
* @param boolean $scaleUp Scale smaller images up to the thumbnail size or not. Might look ugly
* @param boolean $aspect Keep aspect
* @return \OCP\IImage
*/
public function createPreview($file, $maxX = 100, $maxY = 75, $scaleUp = false, $aspect = false)
{
$preview = new \OC\Preview('', '/', $file, $maxX, $maxY, $scaleUp);
$preview->setKeepAspect($aspect);
return $preview->getPreview();
}
