Hewlett-packard Company

Thomas G Smith

Kirt Alan Winter

Frank Anthony Kurucz

Different print quality modes in a printer such as a color inkjet printer invoke different print rendering options for a particular object to be printed. In an exemplary embodiment, a printer control automatically invokes an error diffusion haltoning technique for photo images whenever high quality mode is designated, and automatically invokes a dither haltoning technique for photo images whenever a normal or fast print mode is designated.

Color halftoning options influenced by print-mode setting

A method of using a printer system for identifying one or more different types of color objects in a document, selecting a preferred rendering option such as halftoning and/or color matching for each one of such different color object types, respectively, and then printing the document in accordance with the rendering options selected for each of such different color object types. In a printing system such as an inkjet color printer coupled through a printer driver to a host computer, a default halftoning technique and a default color-matching map are incorporated into the printer system for automatic invocation whenever a particular color object type is printed.

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San Diego, CA, United States of America

Thomas G Smith