/**
* @param $asset
* @param Config $config
* @param null $fileSystemPath
* @param bool $deferred deferred means that the image will be generated on-the-fly (details see below)
* @return mixed|string
*/
public static function process($asset, Config $config, $fileSystemPath = null, $deferred = false)
{
$format = strtolower($config->getFormat());
$contentOptimizedFormat = false;
if (!$fileSystemPath && $asset instanceof Asset) {
$fileSystemPath = $asset->getFileSystemPath();
}
if ($asset instanceof Asset) {
$id = $asset->getId();
} else {
$id = "dyn~" . crc32($fileSystemPath);
}
if (!file_exists($fileSystemPath)) {
return "/pimcore/static/img/filetype-not-supported.png";
}
$modificationDate = filemtime($fileSystemPath);
$fileExt = File::getFileExtension(basename($fileSystemPath));
// simple detection for source type if SOURCE is selected
if ($format == "source" || empty($format)) {
$format = self::getAllowedFormat($fileExt, array("jpeg", "gif", "png"), "png");
$contentOptimizedFormat = true;
// format can change depending of the content (alpha-channel, ...)
}
if ($format == "print") {
$format = self::getAllowedFormat($fileExt, array("svg", "jpeg", "png", "tiff"), "png");
if (($format == "tiff" || $format == "svg") && \Pimcore\Tool::isFrontentRequestByAdmin()) {
// return a webformat in admin -> tiff cannot be displayed in browser
$format = "png";
} else {
if ($format == "tiff") {
$transformations = $config->getItems();
if (is_array($transformations) && count($transformations) > 0) {
foreach ($transformations as $transformation) {
if (!empty($transformation)) {
if ($transformation["method"] == "tifforiginal") {
return str_replace(PIMCORE_DOCUMENT_ROOT, "", $fileSystemPath);
}
}
}
}
} else {
if ($format == "svg") {
return str_replace(PIMCORE_DOCUMENT_ROOT, "", $fileSystemPath);
}
}
}
}
$thumbDir = $asset->getImageThumbnailSavePath() . "/thumb__" . $config->getName();
$filename = preg_replace("/\\." . preg_quote(File::getFileExtension($asset->getFilename())) . "/", "", $asset->getFilename());
// add custom suffix if available
if ($config->getFilenameSuffix()) {
$filename .= "~-~" . $config->getFilenameSuffix();
}
// add high-resolution modifier suffix to the filename
if ($config->getHighResolution() > 1) {
$filename .= "@" . $config->getHighResolution() . "x";
}
$filename .= "." . $format;
$fsPath = $thumbDir . "/" . $filename;
if (!is_dir(dirname($fsPath))) {
File::mkdir(dirname($fsPath));
}
$path = str_replace(PIMCORE_DOCUMENT_ROOT, "", $fsPath);
// check for existing and still valid thumbnail
if (is_file($fsPath) and filemtime($fsPath) >= $modificationDate) {
return $path;
}
// deferred means that the image will be generated on-the-fly (when requested by the browser)
// the configuration is saved for later use in Pimcore\Controller\Plugin\Thumbnail::routeStartup()
// so that it can be used also with dynamic configurations
if ($deferred) {
$configId = "thumb_" . $id . "__" . md5($path);
TmpStore::add($configId, $config, "thumbnail_deferred");
return $path;
}
// transform image
$image = Asset\Image::getImageTransformInstance();
if (!$image->load($fileSystemPath)) {
return "/pimcore/static/img/filetype-not-supported.png";
}
$image->setUseContentOptimizedFormat($contentOptimizedFormat);
$startTime = StopWatch::microtime_float();
$transformations = $config->getItems();
// check if the original image has an orientation exif flag
// if so add a transformation at the beginning that rotates and/or mirrors the image
if (function_exists("exif_read_data")) {
$exif = @exif_read_data($fileSystemPath);
if (is_array($exif)) {
if (array_key_exists("Orientation", $exif)) {
$orientation = intval($exif["Orientation"]);
if ($orientation > 1) {
$angleMappings = [2 => 180, 3 => 180, 4 => 180, 5 => 90, 6 => 90, 7 => 90, 8 => 270];
if (array_key_exists($orientation, $angleMappings)) {
array_unshift($transformations, ["method" => "rotate", "arguments" => ["angle" => $angleMappings[$orientation]]]);
}
// values that have to be mirrored, this is not very common, but should be covered anyway
$mirrorMappings = [2 => "vertical", 4 => "horizontal", 5 => "vertical", 7 => "horizontal"];
if (array_key_exists($orientation, $mirrorMappings)) {
array_unshift($transformations, ["method" => "mirror", "arguments" => ["mode" => $mirrorMappings[$orientation]]]);
}
}
}
}
}
if (is_array($transformations) && count($transformations) > 0) {
foreach ($transformations as $transformation) {
if (!empty($transformation)) {
$arguments = array();
$mapping = self::$argumentMapping[$transformation["method"]];
if (is_array($transformation["arguments"])) {
foreach ($transformation["arguments"] as $key => $value) {
$position = array_search($key, $mapping);
if ($position !== false) {
// high res calculations if enabled
if (!in_array($transformation["method"], ["cropPercent"]) && in_array($key, array("width", "height", "x", "y"))) {
if ($config->getHighResolution() && $config->getHighResolution() > 1) {
$value *= $config->getHighResolution();
}
}
$arguments[$position] = $value;
}
}
}
ksort($arguments);
call_user_func_array(array($image, $transformation["method"]), $arguments);
}
}
}
$image->save($fsPath, $format, $config->getQuality());
if ($contentOptimizedFormat) {
$tmpStoreKey = str_replace(PIMCORE_TEMPORARY_DIRECTORY . "/", "", $fsPath);
TmpStore::add($tmpStoreKey, "-", "image-optimize-queue");
}
clearstatcache();
\Logger::debug("Thumbnail " . $path . " generated in " . (StopWatch::microtime_float() - $startTime) . " seconds");
// set proper permissions
@chmod($fsPath, File::getDefaultMode());
// quick bugfix / workaround, it seems that imagemagick / image optimizers creates sometimes empty PNG chunks (total size 33 bytes)
// no clue why it does so as this is not continuous reproducible, and this is the only fix we can do for now
// if the file is corrupted the file will be created on the fly when requested by the browser (because it's deleted here)
if (is_file($fsPath) && filesize($fsPath) < 50) {
unlink($fsPath);
}
return $path;
}
