addOperator(new Concatenate());
addOperator(new SetStrokingColorSpace());
addOperator(new SetNonStrokingColorSpace());
addOperator(new SetLineDashPattern());
addOperator(new DrawObject());
addOperator(new SetLineJoinStyle());
addOperator(new SetLineCapStyle());
addOperator(new SetStrokingDeviceCMYKColor());
addOperator( new SetNonStrokingDeviceCMYKColor());