public function downloadImageThumbnailAction()
{
$image = Asset\Image::getById($this->getParam("id"));
$config = null;
if ($this->getParam("config")) {
$config = \Zend_Json::decode($this->getParam("config"));
} elseif ($this->getParam("type")) {
$predefined = ["web" => ["resize_mode" => "scaleByWidth", "width" => 3500, "dpi" => 72, "format" => "JPEG", "quality" => 85], "print" => ["resize_mode" => "scaleByWidth", "width" => 6000, "dpi" => 300, "format" => "JPEG", "quality" => 95], "office" => ["resize_mode" => "scaleByWidth", "width" => 1190, "dpi" => 144, "format" => "JPEG", "quality" => 90]];
$config = $predefined[$this->getParam("type")];
}
if ($config) {
$thumbnailConfig = new Asset\Image\Thumbnail\Config();
$thumbnailConfig->setName("pimcore-download-" . $image->getId() . "-" . md5($this->getParam("config")));
if ($config["resize_mode"] == "scaleByWidth") {
$thumbnailConfig->addItem("scaleByWidth", ["width" => $config["width"]]);
} elseif ($config["resize_mode"] == "scaleByHeight") {
$thumbnailConfig->addItem("scaleByHeight", ["height" => $config["height"]]);
} else {
$thumbnailConfig->addItem("resize", ["width" => $config["width"], "height" => $config["height"]]);
}
$thumbnailConfig->setQuality($config["quality"]);
$thumbnailConfig->setFormat($config["format"]);
if ($thumbnailConfig->getFormat() == "JPEG") {
$thumbnailConfig->setPreserveMetaData(true);
$thumbnailConfig->setPreserveColor(true);
}
$thumbnail = $image->getThumbnail($thumbnailConfig);
$thumbnailFile = $thumbnail->getFileSystemPath();
$exiftool = \Pimcore\Tool\Console::getExecutable("exiftool");
if ($thumbnailConfig->getFormat() == "JPEG" && $exiftool && isset($config["dpi"]) && $config["dpi"]) {
\Pimcore\Tool\Console::exec($exiftool . " -overwrite_original -xresolution=" . $config["dpi"] . " -yresolution=" . $config["dpi"] . " -resolutionunit=inches " . escapeshellarg($thumbnailFile));
}
$downloadFilename = str_replace("." . File::getFileExtension($image->getFilename()), "." . $thumbnail->getFileExtension(), $image->getFilename());
$downloadFilename = strtolower($downloadFilename);
header('Content-Disposition: attachment; filename="' . $downloadFilename . '"');
header("Content-Type: " . $thumbnail->getMimeType(), true);
// we have to clear the stat cache here, otherwise filesize() would return the wrong value
// the reason is that exiftool modifies the file's size, but PHP doesn't know anything about that
clearstatcache();
header("Content-Length: " . filesize($thumbnailFile), true);
$this->sendThumbnailCacheHeaders();
while (@ob_end_flush()) {
}
flush();
readfile($thumbnailFile);
@unlink($thumbnailFile);
exit;
}
}
/**
* @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;
}
/**
* @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)
* @param bool $returnAbsolutePath
* @param bool $generated
* @return mixed|string
*/
public static function process($asset, Config $config, $fileSystemPath = null, $deferred = false, $returnAbsolutePath = false, &$generated = false)
{
$generated = false;
$errorImage = PIMCORE_PATH . "/static6/img/filetype-not-supported.png";
$format = strtolower($config->getFormat());
$contentOptimizedFormat = false;
if (!$fileSystemPath && $asset instanceof Asset) {
$fileSystemPath = $asset->getFileSystemPath();
}
if ($asset instanceof Asset) {
$id = $asset->getId();
} else {
$id = "dyn~" . crc32($fileSystemPath);
}
$fileExt = File::getFileExtension(basename($fileSystemPath));
// simple detection for source type if SOURCE is selected
if ($format == "source" || empty($format)) {
$format = self::getAllowedFormat($fileExt, ["jpeg", "gif", "png"], "png");
$contentOptimizedFormat = true;
// format can change depending of the content (alpha-channel, ...)
}
if ($format == "print") {
$format = self::getAllowedFormat($fileExt, ["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";
$deferred = false;
// deferred is default, but it's not possible when using isFrontentRequestByAdmin()
} elseif ($format == "tiff") {
$transformations = $config->getItems();
if (is_array($transformations) && count($transformations) > 0) {
foreach ($transformations as $transformation) {
if (!empty($transformation)) {
if ($transformation["method"] == "tifforiginal") {
return self::returnPath($fileSystemPath, $returnAbsolutePath);
}
}
}
}
} elseif ($format == "svg") {
return self::returnPath($fileSystemPath, $returnAbsolutePath);
}
} elseif ($format == "tiff") {
if (\Pimcore\Tool::isFrontentRequestByAdmin()) {
// return a webformat in admin -> tiff cannot be displayed in browser
$format = "png";
$deferred = false;
// deferred is default, but it's not possible when using isFrontentRequestByAdmin()
}
}
$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";
}
$fileExtension = $format;
if ($format == "original") {
$fileExtension = \Pimcore\File::getFileExtension($fileSystemPath);
}
$filename .= "." . $fileExtension;
$fsPath = $thumbDir . "/" . $filename;
// deferred means that the image will be generated on-the-fly (when requested by the browser)
// the configuration is saved for later use in Pimcore\Controller\Plugin\Thumbnail::routeStartup()
// so that it can be used also with dynamic configurations
if ($deferred) {
// only add the config to the TmpStore if necessary (the config is auto-generated)
if (!Config::getByName($config->getName())) {
$configId = "thumb_" . $id . "__" . md5(str_replace(PIMCORE_TEMPORARY_DIRECTORY, "", $fsPath));
TmpStore::add($configId, $config, "thumbnail_deferred");
}
return self::returnPath($fsPath, $returnAbsolutePath);
}
// all checks on the file system should be below the deferred part for performance reasons (remote file systems)
if (!file_exists($fileSystemPath)) {
return self::returnPath($errorImage, $returnAbsolutePath);
}
if (!is_dir(dirname($fsPath))) {
File::mkdir(dirname($fsPath));
}
$path = self::returnPath($fsPath, false);
// check for existing and still valid thumbnail
if (is_file($fsPath) and filemtime($fsPath) >= filemtime($fileSystemPath)) {
return self::returnPath($fsPath, $returnAbsolutePath);
}
// transform image
$image = Asset\Image::getImageTransformInstance();
$image->setPreserveColor($config->isPreserveColor());
$image->setPreserveMetaData($config->isPreserveMetaData());
if (!$image->load($fileSystemPath)) {
return self::returnPath($errorImage, $returnAbsolutePath);
}
$image->setUseContentOptimizedFormat($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) {
$sourceImageWidth = PHP_INT_MAX;
$sourceImageHeight = PHP_INT_MAX;
if ($asset instanceof Asset\Image) {
$sourceImageWidth = $asset->getWidth();
$sourceImageHeight = $asset->getHeight();
}
$highResFactor = $config->getHighResolution();
$calculateMaxFactor = function ($factor, $original, $new) {
$newFactor = $factor * $original / $new;
if ($newFactor < 1) {
// don't go below factor 1
$newFactor = 1;
}
return $newFactor;
};
// sorry for the goto/label - but in this case it makes life really easier and the code more readable
prepareTransformations:
foreach ($transformations as $transformation) {
if (!empty($transformation)) {
$arguments = [];
$mapping = self::$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, ["width", "height", "x", "y"])) {
if ($highResFactor && $highResFactor > 1) {
$value *= $highResFactor;
$value = (int) ceil($value);
// check if source image is big enough otherwise adjust the high-res factor
if (in_array($key, ["width", "x"])) {
if ($sourceImageWidth < $value) {
$highResFactor = $calculateMaxFactor($highResFactor, $sourceImageWidth, $value);
goto prepareTransformations;
}
} elseif (in_array($key, ["height", "y"])) {
if ($sourceImageHeight < $value) {
$highResFactor = $calculateMaxFactor($highResFactor, $sourceImageHeight, $value);
goto prepareTransformations;
}
}
}
}
$arguments[$position] = $value;
}
}
}
ksort($arguments);
if (method_exists($image, $transformation["method"])) {
call_user_func_array([$image, $transformation["method"]], $arguments);
}
}
}
}
$image->save($fsPath, $format, $config->getQuality());
$generated = true;
if ($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($fsPath);
}
return self::returnPath($fsPath, $returnAbsolutePath);
}
