public QPixmap getThumbnailPixmap(String guid) {
// if (getThumbnails().containsKey(guid))
// return getThumbnails().get(guid);
QPixmap img = new QPixmap();
img.loadFromData(conn.getNoteTable().getThumbnail(guid));
if (img == null || img.isNull())
return null;
//getThumbnails().put(guid, img);
return img;
}