System and method for supporting a variety of color spaces...

Details System and method for supporting a variety of color spaces... System and method for supporting a variety of color spaces...

2008-05-20

2008-05-20

Lamb, Twyler (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003230, C358S501000, C358S518000, C358S519000, C358S525000, C382S162000, C382S167000

Reexamination Certificate

active

07375852

ABSTRACT:
An application program may support multiple color spaces, such as Cyan Magenta Yellow blacK (CMYK) and Red Green Blue (RGB). Many computer operating systems have graphics drawing engines that only support RGB color space. For supporting non-RGB color spaces, the application program can use a color mapping table that defines a relationship between two color spaces such as CMYK and RGB. By generating unique RGB identifiers that can be passed through a graphics drawing engine and by using escape functions of a page description language, an application program can modify a printer file written in a page description language such that a non-RGB color space such as CMYK can be supported for publishing an electronic document.

REFERENCES:
patent: 7072084 (2006-07-01), Shirasawa
patent: 2003/0043392 (2003-03-01), Sugimoto
patent: 2003/0123072 (2003-07-01), Spronk

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