/**
* Asks core for a preview based on our criteria
*
* @todo Need to read scaling setting from settings
*
* @param bool $keepAspect
*
* @return \OC_Image
*/
private function getPreviewFromCore($keepAspect)
{
list($maxX, $maxY) = $this->dims;
$this->preview->setMaxX($maxX);
$this->preview->setMaxY($maxY);
$this->preview->setScalingUp(false);
$this->preview->setKeepAspect($keepAspect);
//$this->logger->debug("[PreviewService] preview {preview}", ['preview' => $this->preview]);
$previewData = $this->preview->getPreview();
return $previewData;
}
/**
* Asks core for a preview based on our criteria
*
* @todo Need to read scaling setting from settings
*
* @param bool $keepAspect
*
* @return \OC_Image
*/
private function getPreviewFromCore($keepAspect)
{
//$this->logger->debug("[PreviewService] Fetching the preview");
list($maxX, $maxY) = $this->dims;
$this->preview->setMaxX($maxX);
$this->preview->setMaxY($maxY);
$this->preview->setScalingUp(false);
$this->preview->setKeepAspect($keepAspect);
//$this->logger->debug("[PreviewService] preview {preview}", ['preview' => $this->preview]);
try {
// Can generate encryption Exceptions...
$previewData = $this->preview->getPreview();
} catch (\Exception $exception) {
return null;
}
return $previewData;
}
/**
* @param $filePath User/files/....
* @return string
*/
public static function prevImg($filePath)
{
// $filePath = 'files/Photos/Paris.jpg';
//$preview = \OC::$server->getPreviewManager()->createPreview($filePath, 128, 128, true);
$conf = explode('/files/', $filePath);
$preview = new Preview($conf[0], '/', 'files/' . $conf[1], 128, 128, true);
$resp = new DataDisplayResponse($preview->getPreview()->data(), Http::STATUS_OK, ['Content-Type' => 'image/png']);
$src = 'data: ' . $preview->getPreview()->mimeType() . ';base64,' . base64_encode($resp->render());
return $src;
}
