-- Module Colour-Attributes (T.415:03/1993)
Colour-Attributes {2 8 1 5 14} DEFINITIONS ::=
BEGIN
EXPORTS
Colour-Expression, Colour-Table, Colour-Spaces-List, Colour-Characteristics;
IMPORTS Character-Data
FROM Document-Profile-Descriptor; -- see 7.7
Real-Or-Int ::= CHOICE {a REAL,
b INTEGER
}
Colour-Expression ::= SEQUENCE {
colour-access-mode [0] IMPLICIT INTEGER {direct(0), indexed(1)},
a
[1] CHOICE {direct-colour [0] IMPLICIT Direct-Colour,
indexed-colour [1] IMPLICIT Indexed-Colour}
}
Direct-Colour ::= SET {
colour-space-id [0] IMPLICIT INTEGER OPTIONAL,
colour-specification [1] Colour-Specification OPTIONAL,
colour-tolerance [2] Colour-Tolerance OPTIONAL
}
Colour-Specification ::= CHOICE {
cmyk-colour [0] IMPLICIT CMYK-Colour,
rgb-colour [1] IMPLICIT RGB-Colour,
cie-colour [2] IMPLICIT CIE-Colour
}
CMYK-Colour ::= SET {
c-value [0] Real-Or-Int,
m-value [1] Real-Or-Int,
y-value [2] Real-Or-Int,
k-value [3] Real-Or-Int OPTIONAL
}
RGB-Colour ::= SET {
r-value [0] Real-Or-Int,
g-value [1] Real-Or-Int,
b-value [2] Real-Or-Int
}
CIE-Colour ::= SET {
x-value [0] Real-Or-Int,
y-value [1] Real-Or-Int,
z-value [2] Real-Or-Int
}
Colour-Tolerance ::= CHOICE {
unspecified-tolerance [0] IMPLICIT NULL,
specified-tolerance [1] IMPLICIT Specified-Tolerance
}
Specified-Tolerance ::= SET {
tolerance-value [0] Real-Or-Int,
tolerance-space [1] IMPLICIT INTEGER {cieluv(3), cielab(4)}
}
Indexed-Colour ::= SET {index [0] IMPLICIT INTEGER OPTIONAL
}
Colour-Table ::= SET {
colour-space-id [0] IMPLICIT INTEGER,
colour-table-entries
[1] IMPLICIT SET OF
SET {index [0] IMPLICIT INTEGER,
colour-coordinates [1] Colour-Specification,
colour-tolerance [2] Colour-Tolerance OPTIONAL
}
}
Colour-Characteristics ::= SET {
colour-spaces-present
[0] IMPLICIT SEQUENCE OF
SET {colour-space-type [0] IMPLICIT Colour-Space-Type,
colour-calibration-type
[1] IMPLICIT Colour-Space-Calibration-Type},
colour-modes-present [1] IMPLICIT Colour-Modes-Present,
minimum-colour-tolerance [2] Colour-Tolerance OPTIONAL,
maximum-colour-table-length [3] IMPLICIT INTEGER OPTIONAL,
-- "maximum number of colour table entries"
maximum-rgb-lut-length [4] IMPLICIT INTEGER OPTIONAL,
-- "maximum number of look-up table entries"
maximum-cmy-k-grid-size [5] IMPLICIT INTEGER OPTIONAL
}
Colour-Space-Type ::= INTEGER {rgb(0), cmyk(1), cmy(2), cieluv(3), cielab(4)}
Colour-Space-Calibration-Type ::= INTEGER {
no-calibration(0), matrices(1), lookup-tables(2),
matrices-and-lookup-tables(3)}
Colour-Modes-Present ::= INTEGER {direct(0), indexed(1), both(2)}
Colour-Spaces-List ::= SET OF Colour-Space
Colour-Space ::= SET {
colour-space-id [0] IMPLICIT INTEGER,
colour-space-type [1] IMPLICIT Colour-Space-Type,
colour-space-name [2] IMPLICIT Character-Data OPTIONAL,
colour-data-scaling [3] Colour-Data-Scaling OPTIONAL,
calibration-data [4] Calibration-Data OPTIONAL
}
Colour-Data-Scaling ::= SET {
first-component [0] IMPLICIT Scale-And-Offset,
second-component [1] IMPLICIT Scale-And-Offset,
third-component [2] IMPLICIT Scale-And-Offset,
fourth-component [3] IMPLICIT Scale-And-Offset OPTIONAL
}
Scale-And-Offset ::= SET {
colour-scale [0] Real-Or-Int,
colour-offset [1] Real-Or-Int
}
Calibration-Data ::= CHOICE {
rgb [0] IMPLICIT RGB-Calibration,
cmyk [1] IMPLICIT CMY-K-Calibration,
cmy [2] IMPLICIT CMY-K-Calibration,
cieluv [3] IMPLICIT CIE-Calibration,
cielab [4] IMPLICIT CIE-Calibration
}
CIE-Calibration ::= SET {reference-white [0] IMPLICIT CIE-Ref
}
RGB-Calibration ::= SET {
reference-white [0] IMPLICIT CIE-Ref,
matrix1 [1] IMPLICIT Three-by-Three-Matrix OPTIONAL,
lookup-table [3] IMPLICIT Colour-Lookup-Table OPTIONAL,
matrix2 [2] IMPLICIT Three-by-Three-Matrix OPTIONAL
}
Three-by-Three-Matrix ::= SEQUENCE {
row-1 Three-Nums,
row-2 Three-Nums,
row-3 Three-Nums
}
Three-Nums ::= SEQUENCE {
column-1 Real-Or-Int,
column-2 Real-Or-Int,
column-3 Real-Or-Int
}
Colour-Lookup-Table ::= SET {
number-of-entries [0] IMPLICIT INTEGER,
m [1] IMPLICIT INTEGER,
n [2] IMPLICIT INTEGER,
colour-table [3] IMPLICIT SET OF Colour-Table-Entry
}
Colour-Table-Entry ::= SET {
index [3] IMPLICIT INTEGER,
r [0] Real-Or-Int,
g [1] Real-Or-Int,
b [2] Real-Or-Int
}
CMY-K-Calibration ::= SET {
reference-white [0] IMPLICIT CIE-Ref,
comment [1] IMPLICIT Character-Data OPTIONAL,
cmyk-lut [2] IMPLICIT Grid-Specification
}
Grid-Specification ::=
SET OF
SET {grid-location [0] IMPLICIT CMYK-Colour,
grid-value [1] IMPLICIT Grid-Value}
Grid-Value ::= SET {
x-value [0] IMPLICIT REAL,
y-value [1] IMPLICIT REAL,
z-value [2] IMPLICIT REAL
}
CIE-Ref ::= SET {
xn-value [0] Real-Or-Int,
yn-value [1] Real-Or-Int,
zn-value [2] Real-Or-Int
}
END
-- Generated by Asnp, the ASN.1 pretty-printer of France Telecom R&D
