registerOperatorProcessor("Q", new GRestore());
registerOperatorProcessor("q", new GSave());
// Text operators
registerOperatorProcessor("BT", new BeginText());
registerOperatorProcessor("ET", new EndText());
registerOperatorProcessor("Tf", new SetTextFont());
registerOperatorProcessor("Tr", new SetTextRenderingMode());
registerOperatorProcessor("Tm", new SetMatrix());
registerOperatorProcessor("Td", new MoveText());
registerOperatorProcessor("T*", new NextLine());