Decoded /F annotation flags (ISO 32000-1 §12.5.3, Table 165).
These flags control how an annotation is displayed and printed. Each is exposed
as a boolean; :raw carries the undecoded /F integer for callers that need
the original bit value.
Fields
:invisible— do not display the annotation if it has no handler and no appearance stream.:hidden— do not display or print the annotation.:print— print the annotation when the page is printed.:no_zoom— do not scale the annotation with the page zoom.:no_rotate— do not rotate the annotation with the page.:no_view— do not display the annotation on screen (it may still print).:read_only— do not allow the user to interact with the annotation.:locked— do not allow the annotation to be deleted or its properties changed.:toggle_no_view— invert:no_viewfor certain events (e.g. mouse-over).:locked_contents— do not allow the annotation's contents to be modified.:raw— the raw/Finteger.