/**
* @param PersistentResource $originalResource
* @param array $adjustments
* @return array resource, width, height as keys
* @throws ImageFileException
* @throws InvalidConfigurationException
* @throws Exception
*/
public function processImage(PersistentResource $originalResource, array $adjustments)
{
$additionalOptions = array();
$adjustmentsApplied = false;
// TODO: Special handling for SVG should be refactored at a later point.
if ($originalResource->getMediaType() === 'image/svg+xml') {
$originalResourceStream = $originalResource->getStream();
$resource = $this->resourceManager->importResource($originalResourceStream, $originalResource->getCollectionName());
fclose($originalResourceStream);
$resource->setFilename($originalResource->getFilename());
return ['width' => null, 'height' => null, 'resource' => $resource];
}
$resourceUri = $originalResource->createTemporaryLocalCopy();
$resultingFileExtension = $originalResource->getFileExtension();
$transformedImageTemporaryPathAndFilename = $this->environment->getPathToTemporaryDirectory() . uniqid('ProcessedImage-') . '.' . $resultingFileExtension;
if (!file_exists($resourceUri)) {
throw new ImageFileException(sprintf('An error occurred while transforming an image: the resource data of the original image does not exist (%s, %s).', $originalResource->getSha1(), $resourceUri), 1374848224);
}
$imagineImage = $this->imagineService->open($resourceUri);
$convertCMYKToRGB = $this->getOptionsMergedWithDefaults()['convertCMYKToRGB'];
if ($convertCMYKToRGB && $imagineImage->palette() instanceof CMYK) {
$imagineImage->usePalette(new RGB());
}
if ($this->imagineService instanceof Imagine && $originalResource->getFileExtension() === 'gif' && $this->isAnimatedGif(file_get_contents($resourceUri)) === true) {
$imagineImage->layers()->coalesce();
$layers = $imagineImage->layers();
$newLayers = array();
foreach ($layers as $index => $imagineFrame) {
$imagineFrame = $this->applyAdjustments($imagineFrame, $adjustments, $adjustmentsApplied);
$newLayers[] = $imagineFrame;
}
$imagineImage = array_shift($newLayers);
$layers = $imagineImage->layers();
foreach ($newLayers as $imagineFrame) {
$layers->add($imagineFrame);
}
$additionalOptions['animated'] = true;
} else {
$imagineImage = $this->applyAdjustments($imagineImage, $adjustments, $adjustmentsApplied);
}
if ($adjustmentsApplied === true) {
$imagineImage->save($transformedImageTemporaryPathAndFilename, $this->getOptionsMergedWithDefaults($additionalOptions));
$imageSize = $imagineImage->getSize();
// TODO: In the future the collectionName of the new resource should be configurable.
$resource = $this->resourceManager->importResource($transformedImageTemporaryPathAndFilename, $originalResource->getCollectionName());
if ($resource === false) {
throw new ImageFileException('An error occurred while importing a generated image file as a resource.', 1413562208);
}
unlink($transformedImageTemporaryPathAndFilename);
$pathInfo = UnicodeFunctions::pathinfo($originalResource->getFilename());
$resource->setFilename(sprintf('%s-%ux%u.%s', $pathInfo['filename'], $imageSize->getWidth(), $imageSize->getHeight(), $pathInfo['extension']));
} else {
$originalResourceStream = $originalResource->getStream();
$resource = $this->resourceManager->importResource($originalResourceStream, $originalResource->getCollectionName());
fclose($originalResourceStream);
$resource->setFilename($originalResource->getFilename());
$imageSize = $this->getImageSize($originalResource);
$imageSize = new Box($imageSize['width'], $imageSize['height']);
}
$this->imageSizeCache->set($resource->getCacheEntryIdentifier(), array('width' => $imageSize->getWidth(), 'height' => $imageSize->getHeight()));
$result = array('width' => $imageSize->getWidth(), 'height' => $imageSize->getHeight(), 'resource' => $resource);
return $result;
}
