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Adobe Acrobat SDK
Adobe® Supplement to the ISO 32000
KEY
Ff
V
Insert the following new section after the subsection titled "Signature Fields" on page 702 of the PDF Reference.
Barcode Fields
A barcode field is a text field (field type
widgets that contain a
appearance of the barcode field, called the textual value, contains the value that is to be recovered from
the barcode at scan time. (See implementation note E-6,
A barcode field dynamically acquires its value through user input into one or more text fields that are
referenced in a calculate dictionary (see the
additional-actions dictionary" in the PDF Reference) of an additional-actions dictionary. (See the
in Table 8.39, "Additional entries specific to a widget annotation" in the PDF Reference.)
Additional keys in the form field and widget annotation dictionaries control whether and how the data
value is compressed, encrypted, and segmented; which barcode symbology is employed; and any other
parameters required for generating the barcode.
TABLE 8.83 Entries in a signature field seed value dictionary
TYPE
DESCRIPTION
integer
(Optional) A set of bit flags specifying the interpretation of
specific entries in this dictionary. A value of 1 for the flag
indicates that the associated entry is a required constraint. A
value of 0 indicates that the associated entry is an optional
constraint. Bit positions are 1 (
4 (
Reasons
7 (
DigestMethod
are added: 8 (
Default value: 0
real
(Optional) The minimum required capability of the signature
field seed value dictionary parser. A value of 1 specifies that the
parser must be able to recognize all seed value dictionary
entries specified in PDF 1.5. A value of 2 specifies that it must be
able to recognize all seed value dictionary entries specified in
PDF 1.7 and earlier.
recognize all seed value dictionary entries specified in extension
level 3 and earlier.
The
Note:
) in which its appearance is rendered by one or more annotation
Tx
entry. (See the PaperMetaData generation parameters dictionary,
PMD
Interactive Features (Chapter 8 in PDF Reference)
); 5 (
LegalAttestation
);
for extension level 3, the following bit flags
LockDocument
A value of 3 specifies that it shall be able to
entry indicates whether this is a required constraint.
Ff
The PDF References fifth edition (PDF1.6) and earlier,
erroneously indicates that the
This entry is of type real.
page
130.)
entry in Table 8.46, "Entries in a form field's
C
8.6.3 Field Types
); 2 (
Filter
SubFilter
); 6 (
AddRevInfo
); and 9 (
AppearanceFilter
entry is of type integer.
V
page
45
); 3 (
);
V
);
).
46.) The
entry
AA
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