Note: When ColorFlow has been specified, the
Retain CMYK Black In
options are unavailable, because all black generation parameters are
specified when DeviceLink profiles are created.
CMYK Images
Select this check box to preserve the black channel information
when CMYK images are transformed from CMYK to L*a*b* and
back to CMYK.
CMYK Graphics
Select this check box to preserve the black channel information
when CMYK graphics are transformed from CMYK to L*a*b*
and back to CMYK.
Rendering Intent
Select a colorimetric rendering intent for the selected object
types:
●
In the
Images in:
section, select
CMYK
,
RGB
, or
Calibrated
Colors
●
In the
Graphics in:
section, select
CMYK
,
RGB
, or
Calibrated
Colors
Select
Relative
to turn off gamut compression and retain color
saturation for the selected object types.
Select
Perceptual
to use gamut compression and produce fewer
saturated colors for the selected object types.
Select
From PDF
to use the rendering intent that is specified in
the file when output by the creative software for the selected
object types.
Select
Absolute
to represent the colors solely with the light
source for the selected object types. No correction is made for
the output media's white point. For example, an output media's
white point might be the color of paper with no print marks on
it.
Select
Saturation
to represent the colors in a way that
preserves or emphasizes saturation for the selected object
types.
Note: Calibrated colors are described in a device-independent color
space, such as an ICC-based color space, CalGray, or CalRGB. For
colorimetric rendering of calibrated colors, do not select the
Override
Embedded Profiles
check box.
232
Chapter 10—Refining
