File Specifications; File Specification Dictionaries - Adobe 12020596 Supplement Manual

Adobe Acrobat SDK
Adobe® Supplement to the ISO 32000
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3.10 File Specifications

3.10.2 File Specification Dictionaries

The following entry is added to the file specification dictionary, Table 3.41.
KEY
Thumb
The
Thumb
navigator. However, it is extensible to any other feature that may require a thumbnail image
representation of a file specification. For information about navigators, see
<< /BaseVersion /1.7 /ExtensionLevel 4>>
/MyCo
<< /BaseVersion /500 /ExtensionLevel 1002>>
TABLE 3.41 Entries in a file specification dictionary
TYPE
stream
entry is used primarily in conjunction with files embedded in portable collections that use a
VALUE
(Optional; ExtensionLevel 3) A stream object defining the thumbnail
image for the file specification. (See Section 8.2.3, "Thumbnail
Images. " )
Syntax (Chapter 3 in PDF Reference)
3.10 File Specifications
"Navigators" on page
26
34.