Nico Weber 182639217f LibPDF: Implement GoTo action for outline ...

Outline items can contain either a /Dest key or an /A key.

The /Dest key points to a "Destination" (various ways to reference a
page in the same document).

The /A key points to an "Action" which can have several types.
One type, the /GoTo type, just also points to a Destination.

Implement GoTo actions. This makes clicking "Contents" in the outline of
https://developer.apple.com/library/archive/documentation/mac/pdf/Text.pdf
work. (Almost all other items in this file's outline use /Dest.
"Contents" could too, but it uses /A /GoTo for some reason.)

(Other action types are things like opening a hyperlink, opening a
different file, playing a sound, submitting a form, etc. Actions
are also used for in-page links, not just in outlines. Many of
these action types we'll likely never want to implement.)

2023-10-18 06:29:02 -04:00

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