1. Method carried out in a printing system for creating special effects including glossmarks and watermarks for use in rendered documents, comprising the steps of: a) using an interpreter to determine parameters for a special effect; b) overlaying the object parameters for the special effect over original objects of a document; c) flattening object parameters for the special effect and original objects of a document by addressing topmost objects first to produce runs with intent tags; d) introducing intents or altered colors for use with special effects; e) collecting runs; and f) rendering runs with intent tags.