Oki ES3640eMFP Reference Manual page 113

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GDI (Graphics Device Interface)
Graphics and display technology used by computers running Windows. GDI applications
rely on GDI (rather than the PostScript language) to send text and pictures to devices.
GIF (Graphics Interchange Format)
A standard developed by CompuServe for bitmap graphics of up to 256 colors and used
for posting photographic images on the Internet or intranet pages; rarely used for
professional printing.
gradient
A smooth transition between two different colors or two shades of a color.
Graphics Device Interface
See GDI.
Graphics Interchange Format
See GIF.
gravure
A printing technology that uses an etched cylinder that has been immersed in ink. The ink
that remains in the etched areas is applied to the paper. The non-etched surfaces of the
cylinder are non-printing areas.
gray component replacement (GCR)
A method for improving wet ink trapping and reducing ink costs in process color printing.
In shadow, midtone, and quarter-tone areas where all three process colors (C, M, Y)
overprint, the gray components of those colors are reduced and replaced by black.
halftoning
A method for representing an original continuous tone image using a pattern of dots,
lines, or other patterns.
HSB
A color model where each color is represented by its hue, saturation, and brightness
components; supported by most color applications.
HSL
A color model where each color is represented by its hue, saturation, and lightness
components.
ES3640e MFP Color Reference Guide - 113