CHAPTER 10
982
Document Interchange
KEY
TYPE
OPI COMMENT
VALUE
Color
array
%ALDImageColor
(Optional)
An array of four numbers and a byte
string of the form
[
C M Y K colorName
]
specifying the value and name of the color in
which the image is to be rendered. The values of
C
,
M
,
Y
, and
K
must all be in the range 0.0 to 1.0.
Default value:
[ 0.0 0.0 0.0 1.0 ( Black )
].
Tint
number
%ALDImageTint
(Optional)
A number in the range 0.0 to 1.0
specifying the concentration of the color speci-
fied by
Color
in which the image is to be ren-
dered. Default value: 1.0.
(Optional)
A flag specifying whether the image
is to overprint (
true
) or knock out (
false
) under-
lying marks on other separations. Default value:
false
.
(Optional)
An array of two integers of the form
[
samples bits
]
Overprint
boolean
%ALDImageOverprint
ImageType
array
%ALDImageType
specifying the number of samples per pixel and
bits per sample in the image.
GrayMap
array
%ALDImageGrayMap
(Optional)
An array of 2
n
integers in the range 0
to 65,535 (where
n
is the number of bits per
sample) recording changes made to the bright-
ness or contrast of the image.
(Optional)
A flag specifying whether white pix-
els in the image are to be treated as transparent.
Default value:
true
.
(Optional)
An array of pairs of the form
[
tagNum
1
tagText
1
…
tagNum
n
tagText
n
]
Transparency
boolean
%ALDImageTransparency
Tags
array
%ALDImageAsciiTag<
NNN
>
where each
tagNum
is an integer representing a
TIFF tag number and each
tagText
is an ASCII
string representing the corresponding ASCII tag
value.