SECTION 8.6
673
Interactive Forms
KEY
TYPE
VALUE
CO
array
(Required if any fields in the document have additional-actions dictio-
naries containing a
C
entry; PDF 1.3)
An array of indirect references to
field dictionaries with calculation actions, defining the
calculation or-
der
in which their values will be recalculated when the value of any
field changes (see Section 8.5.2, “Trigger Events”).
(Optional)
A resource dictionary (see Section 3.7.2, “Resource Dic-
or spaces) to be used by form field appearance streams. At a
minimum, this dictionary must contain a
Font
entry specifying the re-
source name and font dictionary of the default font for displaying text.
(See implementation notes 113 and 114 in Appendix H.)
(Optional)
A document-wide default value for the
DA
attribute of vari-
able text fields (see “Variable Text” on page 677).
(Optional)
A document-wide default value for the
Q
attribute of vari-
able text fields (see “Variable Text” on page 677).
(Optional; PDF 1.5)
A stream or array containing an
XFA resource,
whose format is described by the
Data Package (XDP) Specification.
(see the Bibliography).
The value of this entry must be either a stream representing the entire
contents of the XML Data Package or an array of text string and
stream pairs representing the individual packets comprising the XML
Data Package.
See Section 8.6.7, “XFA Forms,” for more information.
Note:
In the original version of the PDF 1.5 specification, the value of
this entry was defined as a stream only; see implementation note 115 in
DR
dictionary
DA
string
integer
stream or array
Q
XFA
The value of the interactive form dictionary’s
SigFlags
entry is an unsigned 32-bit
integer containing flags specifying various document-level characteristics related
to signature fields (see “Signature Fields” on page 695). Bit positions within the
flag word are numbered from 1 (low-order) to 32 (high-order). Table 8.68 shows
the meanings of the flags; all undefined flag bits are reserved and must be set to 0.