/** * This method actually does the processing of files locally * * takes the original file (on remote storages this will be fetched from the remote server) * does the IM magic on the local server by creating a temporary typo3temp/ file * copies the typo3temp/ file to the processing folder of the target storage * removes the typo3temp/ file * * @param TaskInterface $task * @return array */ public function process(TaskInterface $task) { $targetFile = $task->getTargetFile(); // Merge custom configuration with default configuration $configuration = array_merge(array('width' => 64, 'height' => 64), $task->getConfiguration()); $configuration['width'] = Utility\MathUtility::forceIntegerInRange($configuration['width'], 1, 1000); $configuration['height'] = Utility\MathUtility::forceIntegerInRange($configuration['height'], 1, 1000); $originalFileName = $targetFile->getOriginalFile()->getForLocalProcessing(FALSE); // Create a temporary file in typo3temp/ if ($targetFile->getOriginalFile()->getExtension() === 'jpg') { $targetFileExtension = '.jpg'; } else { $targetFileExtension = '.png'; } // Create the thumb filename in typo3temp/preview_....jpg $temporaryFileName = Utility\GeneralUtility::tempnam('preview_') . $targetFileExtension; // Check file extension if ($targetFile->getOriginalFile()->getType() != Resource\File::FILETYPE_IMAGE && !Utility\GeneralUtility::inList($GLOBALS['TYPO3_CONF_VARS']['GFX']['imagefile_ext'], $targetFile->getOriginalFile()->getExtension())) { // Create a default image $this->processor->getTemporaryImageWithText($temporaryFileName, 'Not imagefile!', 'No ext!', $targetFile->getOriginalFile()->getName()); } else { // Create the temporary file if ($GLOBALS['TYPO3_CONF_VARS']['GFX']['im']) { $parameters = '-sample ' . $configuration['width'] . 'x' . $configuration['height'] . ' ' . $this->processor->wrapFileName($originalFileName) . '[0] ' . $this->processor->wrapFileName($temporaryFileName); $cmd = Utility\GeneralUtility::imageMagickCommand('convert', $parameters) . ' 2>&1'; Utility\CommandUtility::exec($cmd); if (!file_exists($temporaryFileName)) { // Create a error gif $this->processor->getTemporaryImageWithText($temporaryFileName, 'No thumb', 'generated!', $targetFile->getOriginalFile()->getName()); } } } return array('filePath' => $temporaryFileName); }
/** * Generates a preview for a file * * @param File $file The source file * @param array $configuration Processing configuration * @param string $targetFilePath Output file path * @return array|NULL */ protected function generatePreviewFromFile(File $file, array $configuration, $targetFilePath) { $originalFileName = $file->getForLocalProcessing(FALSE); // Check file extension if ($file->getType() != File::FILETYPE_IMAGE && !GeneralUtility::inList($GLOBALS['TYPO3_CONF_VARS']['GFX']['imagefile_ext'], $file->getExtension())) { // Create a default image $this->processor->getTemporaryImageWithText($targetFilePath, 'Not imagefile!', 'No ext!', $file->getName()); } else { // Create the temporary file if ($GLOBALS['TYPO3_CONF_VARS']['GFX']['im']) { $parameters = '-sample ' . $configuration['width'] . 'x' . $configuration['height'] . ' ' . $this->processor->wrapFileName($originalFileName) . '[0] ' . $this->processor->wrapFileName($targetFilePath); $cmd = GeneralUtility::imageMagickCommand('convert', $parameters) . ' 2>&1'; CommandUtility::exec($cmd); if (!file_exists($targetFilePath)) { // Create a error gif $this->processor->getTemporaryImageWithText($targetFilePath, 'No thumb', 'generated!', $file->getName()); } } } return array('filePath' => $targetFilePath); }