/**
* Generate thumbnail and redirect to resource URI
*
* @param Thumbnail $thumbnail
* @return void
*/
public function thumbnailAction(Thumbnail $thumbnail)
{
if ($thumbnail->getResource() === null && $thumbnail->getStaticResource() === null) {
$this->thumbnailService->refreshThumbnail($thumbnail);
}
$this->redirectToUri($this->thumbnailService->getUriForThumbnail($thumbnail), 0, 302);
}
/**
* @param Thumbnail $thumbnail
* @return void
* @throws Exception\NoThumbnailAvailableException
*/
public function refresh(Thumbnail $thumbnail)
{
try {
$filenameWithoutExtension = pathinfo($thumbnail->getOriginalAsset()->getResource()->getFilename(), PATHINFO_FILENAME);
$temporaryLocalCopyFilename = $thumbnail->getOriginalAsset()->getResource()->createTemporaryLocalCopy();
$documentFile = sprintf(in_array($thumbnail->getOriginalAsset()->getResource()->getFileExtension(), $this->getOption('paginableDocuments')) ? '%s[0]' : '%s', $temporaryLocalCopyFilename);
$width = $thumbnail->getConfigurationValue('width') ?: $thumbnail->getConfigurationValue('maximumWidth');
$height = $thumbnail->getConfigurationValue('height') ?: $thumbnail->getConfigurationValue('maximumHeight');
$im = new \Imagick();
$im->setResolution($this->getOption('resolution'), $this->getOption('resolution'));
$im->readImage($documentFile);
$im->setImageFormat('png');
$im->setImageBackgroundColor('white');
$im->setImageCompose(\Imagick::COMPOSITE_OVER);
if (defined('\\Imagick::ALPHACHANNEL_OFF')) {
// ImageMagick >= 7.0, Imagick >= 3.4.3RC1
// @see https://pecl.php.net/package/imagick/3.4.3RC1
$im->setImageAlphaChannel(\Imagick::ALPHACHANNEL_OFF);
} else {
$im->setImageAlphaChannel(\Imagick::ALPHACHANNEL_RESET);
}
$im->thumbnailImage($width, $height, true);
if (method_exists($im, 'mergeImageLayers')) {
// Replace flattenImages in imagick 3.3.0
// @see https://pecl.php.net/package/imagick/3.3.0RC2
$im->mergeImageLayers(\Imagick::LAYERMETHOD_MERGE);
} else {
$im->flattenImages();
}
$resource = $this->resourceManager->importResourceFromContent($im->getImageBlob(), $filenameWithoutExtension . '.png');
$im->destroy();
$thumbnail->setResource($resource);
$thumbnail->setWidth($width);
$thumbnail->setHeight($height);
} catch (\Exception $exception) {
$filename = $thumbnail->getOriginalAsset()->getResource()->getFilename();
$sha1 = $thumbnail->getOriginalAsset()->getResource()->getSha1();
$message = sprintf('Unable to generate thumbnail for the given document (filename: %s, SHA1: %s)', $filename, $sha1);
throw new Exception\NoThumbnailAvailableException($message, 1433109652, $exception);
}
}
/**
* @param Thumbnail $thumbnail
* @return void
* @throws Exception\NoThumbnailAvailableException
*/
public function refresh(Thumbnail $thumbnail)
{
try {
$width = $thumbnail->getConfigurationValue('width') ?: $thumbnail->getConfigurationValue('maximumWidth');
$height = $thumbnail->getConfigurationValue('height') ?: $thumbnail->getConfigurationValue('maximumHeight');
/** @var AssetInterface $asset */
$asset = $thumbnail->getOriginalAsset();
$icon = FileTypeIconService::getIcon($asset, $width, $height);
$thumbnail->setStaticResource($icon['src']);
$thumbnail->setWidth($icon['width']);
$thumbnail->setHeight($icon['height']);
} catch (\Exception $exception) {
$message = sprintf('Unable to generate thumbnail for the given image (filename: %s, SHA1: %s)', $thumbnail->getOriginalAsset()->getResource()->getFilename(), $thumbnail->getOriginalAsset()->getResource()->getSha1());
throw new Exception\NoThumbnailAvailableException($message, 1433109654, $exception);
}
}
/**
* @param Thumbnail $thumbnail
* @return void
* @throws Exception\NoThumbnailAvailableException
*/
public function refresh(Thumbnail $thumbnail)
{
try {
$adjustments = array(new ResizeImageAdjustment(array('width' => $thumbnail->getConfigurationValue('width'), 'maximumWidth' => $thumbnail->getConfigurationValue('maximumWidth'), 'height' => $thumbnail->getConfigurationValue('height'), 'maximumHeight' => $thumbnail->getConfigurationValue('maximumHeight'), 'ratioMode' => $thumbnail->getConfigurationValue('ratioMode'), 'allowUpScaling' => $thumbnail->getConfigurationValue('allowUpScaling'))));
$processedImageInfo = $this->imageService->processImage($thumbnail->getOriginalAsset()->getResource(), $adjustments);
$thumbnail->setResource($processedImageInfo['resource']);
$thumbnail->setWidth($processedImageInfo['width']);
$thumbnail->setHeight($processedImageInfo['height']);
} catch (\Exception $exception) {
$message = sprintf('Unable to generate thumbnail for the given image (filename: %s, SHA1: %s)', $thumbnail->getOriginalAsset()->getResource()->getFilename(), $thumbnail->getOriginalAsset()->getResource()->getSha1());
throw new Exception\NoThumbnailAvailableException($message, 1433109654, $exception);
}
}
/**
* @param Thumbnail $thumbnail
* @return boolean
*/
protected function isExtensionSupported(Thumbnail $thumbnail)
{
$extension = $thumbnail->getOriginalAsset()->getResource()->getFileExtension();
return in_array($extension, $this->getOption('supportedExtensions'));
}
/**
* @param Thumbnail $thumbnail
* @param PersistentResource $resource
* @return array
* @throws Exception\ImageFileException
*/
protected function resize(Thumbnail $thumbnail, PersistentResource $resource)
{
$adjustments = array(new ResizeImageAdjustment(array('width' => $thumbnail->getConfigurationValue('width'), 'maximumWidth' => $thumbnail->getConfigurationValue('maximumWidth'), 'height' => $thumbnail->getConfigurationValue('height'), 'maximumHeight' => $thumbnail->getConfigurationValue('maximumHeight'), 'ratioMode' => $thumbnail->getConfigurationValue('ratioMode'), 'allowUpScaling' => $thumbnail->getConfigurationValue('allowUpScaling'))));
return $this->imageService->processImage($resource, $adjustments);
}
/**
* Refreshes a thumbnail and persists the thumbnail
*
* @param Thumbnail $thumbnail
* @return void
*/
public function refreshThumbnail(Thumbnail $thumbnail)
{
$thumbnail->refresh();
$this->persistenceManager->whiteListObject($thumbnail);
if (!$this->persistenceManager->isNewObject($thumbnail)) {
$this->thumbnailRepository->update($thumbnail);
}
}
