Represents the "FWScale" entry of the movie activation dictionary object.

It is an optional entry defined as part of the PDF 1.0 specification.

It contains an array which contains integers, representing PDF numeric objects.

Items in this array should have a minimum value of 1.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 296, page 509.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 307, page 636.

The FWScale entry holds a two-element array giving the horizontal and vertical scale factors for the floating playback window relative to the annotation rectangle dimensions.