// Example 4
 //-----------
 // Read binary data inside data URI
 //
 static QByteArray getBinaryDataFromDataUri (const QString & dataUriString) {
     MDataUri duri = dataUriString;
     if (duri.isValid() == false) {
         qWarning() << "Invalid data uri input";
         return QByteArray();
     }
     
     return duri.data();
 }