A method and apparatus for overloading operators in Page Description Language (PDL) defined graphics redefines the graphic, such as to compensate for certain undesirable line growth characteristics of a target printer or display device. Line width can be controlled based on various attributes, such as...http://www.google.com.au/patents/US6259821?utm_source=gb-gplus-sharePatent US6259821 - PDL operator overloading for line width management of lines that intersect filled objects