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;
}
}
