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CHAPTER 10 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.
Overprint boolean %ALDImageOverprint (Optional) A flag specifying whether the image
is to overprint (true) or knock out (false) under-
lying marks on other separations. Default value:
false.
ImageType array %ALDImageType (Optional) An array of two integers of the form
[ samples bits ]
specifying the number of samples per pixel and
bits per sample in the image.
GrayMap array %ALDImageGrayMap (Optional) An array of 2n 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.
Transparency boolean %ALDImageTransparency (Optional) A flag specifying whether white pix-
els in the image are to be treated as transparent.
Default value: true.
Tags array %ALDImageAsciiTag< NNN > (Optional) An array of pairs of the form
[ tagNum1 tagText1 … tagNumn tagTextn ]
where each tagNum is an integer representing a
TIFF tag number and each tagText is an ASCII
string representing the corresponding ASCII tag
value.
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