SECTION 8.4
627
Anno ta tions
KEY
TYPE
VALUE
LL
number
(Required if
LLE
is present, otherwise optional; PDF 1.6)
The length of
leader lines
in default user space that extend from each endpoint of the line perpendicular to
the line itself, as shown in Figure 8.5. A positive value means that the leader lines
appear in the direction that is clockwise when traversing the line from its start-
ing point to its ending point (as specified by
L
); a negative value indicates the op-
posite direction.
Default value: 0 (no leader lines).
LLE
number
(Optional; PDF 1.6)
A non-negative number representing the length of
leader
line extensions
that extend from the line proper 180 degrees from the leader
lines, as shown in Figure 8.5.
Default value: 0 (no leader line extensions).
Cap
boolean
(Optional; PDF 1.6)
If
true
, the text specified by the
Contents
or
RC
entries
should be replicated as a caption in the appearance of the line, as shown in Fig-
the content, taking into account factors such as writing direction.
Default value:
false
.
IT
name
(Optional; PDF 1.6)
A name describing the intent of the line annotation (see also
LineArrow
, which means that the annotation is in-
tended to function as an arrow, and
LineDimension
, which means that the anno-
tation is intended to function as a dimension line.
(Optional;
PDF 1.7)
A non-negative number representing the length of the lead-
er line offset, which is the amount of empty space between the endpoints of the
annotation and the beginning of the leader lines.
(Optional;
meaningful only if
Cap
is true; PDF 1.7)
A name describing the anno-
tation’s caption positioning. Valid values are
Inline
, meaning the caption will be
centered inside the line, and
Top
, meaning the caption will be on top of the line.
Default value:
Inline
LLO
number
CP
name
Measure
dictionary
(Optional;
PDF 1.7)
A measure dictionary (see Table 8.110) that specifies the
scale and units that apply to the line annotation.