Adobe Acrobat SDK
Multimedia Features (Chapter 9 in PDF Reference)
Adobe® Supplement to the ISO 32000
9.6.1 RichMedia Annotations 77
As with 3D annotations defined in Section 9.5.1 of the
PDF Reference, sixth edition
, RichMedia annotations
can be in one of two states,
Inactive:
(the default initial state) The annotation displays the normal appearance of the annotation.
Typically, the normal appearance is a 2D bitmap portraying a rendering of the default view of the
artwork within the
RichMedia
annotation.
Active:
The annotation displays a rendering of the artwork. This rendering is specified by the
annotation’s
RichMediaSettings
entry. (See
“TABLE 9.50 Entries in a RichMediaSettings dictionary”
on page 78
.)
The subsequent sections describe the structural components of a rich media annotation, beginning with
the RichMediaSettings dictionary and its subcomponents, followed by the RichMediaContent dictionary,
on
page 86
, and its subcomponents. See the
“Extended Example” on page 94
for a detailed and
comprehensive example of a rich media annotation.
TABLE 9.49 Additional entries specific to a RichMedia annotation
KEY
TYPE
VALUE
Subtype
name
(
Required; ExtensionLevel 3
) The type of annotation
that the dictionary describes. The name shall be
RichMedia
for a rich media annotation.
RichMediaSettings
dictionary
(
Optional; ExtensionLevel 3
) A RichMediaSettings
dictionary that stores conditions and responses that
determine when the annotation should be activated
and deactivated and the initial state of artwork in
those states. See
“RichMediaSettings Dictionary” on
page 78
.
Default value: If no RichMediaSettings dictionary is
present, the first configuration is loaded.
RichMediaContent
dictionary
(
Required; ExtensionLevel 3
) A RichMediaContent
dictionary that stores the rich media artwork and
information as to how it should be configured and
viewed. See
“RichMediaContent dictionary” on
page 86
.
