/**
* Process the source, apply thumbnailer if set
* @param string $source source to process
* @return string source to be used by the html of this image tag
* @throws zibo\ZiboException when the source file could not be found
*/
private function processSource($source)
{
$fileSource = new File($source);
if (!$fileSource->isAbsolute() && !String::startsWith($fileSource->getPath(), Zibo::DIRECTORY_APPLICATION . File::DIRECTORY_SEPARATOR)) {
$fileSource = Zibo::getInstance()->getFile($fileSource->getPath());
if (!$fileSource) {
throw new ZiboException('Could not find ' . $source);
}
}
$fileDestination = $this->getCacheFile($fileSource);
if (!$fileDestination->exists() || $fileSource->getModificationTime() > $fileDestination->getModificationTime()) {
$image = new CoreImage($fileSource);
if ($this->thumbnailer) {
$thumbnail = $image->thumbnail($this->thumbnailer, $this->thumbnailWidth, $this->thumbnailHeight);
if ($image === $thumbnail) {
$fileSource->copy($fileDestination);
} else {
$thumbnail->write($fileDestination);
}
} else {
$fileSource->copy($fileDestination);
}
}
// remove application/ from the path
return substr($fileDestination->getPath(), 12);
}