NAME
PDF::API2::ViewerPreferences - How the PDF should be displayed or
printed
METHODS
$self = $class->new($pdf)
Creates a new ViewerPreferences object from a PDF::API2 object.
%preferences = $self->get_preferences()
Returns a hash containing all of the viewer preferences that are
defined in the PDF.
$value = $self->get_preference($name)
Returns the value of the specified viewer preference if present, or
"undef" if not.
$self->set_preferences(%values)
Sets one or more viewer preferences, as described in the preferences
section below.
PREFERENCES
Viewer Preferences describe how the document should be presented on
screen or in print. Not all PDF viewers will respect these preferences.
Boolean preferences default to false and take (or return) 0 or 1 as
arguments.
Bounding Box preferences take (or return) one of "media_box",
"crop_box", "bleed_box", "trim_box", or "art_box".
hide_toolbar (boolean)
A flag specifying whether to hide the tool bars when the document is
active.
hide_menubar (boolean)
A flag specifying whether to hide the menu bar when the document is
active.
hide_window_ui (boolean)
A flag specifying whether to hide the user interface elements in the
document's window (such as scroll bars and navigation controls),
leaving only the document's contents displayed.
fit_window (boolean)
A flag specifying whether to resize the document's window to fit the
size of the first displayed page.
center_window (boolean)
A flag specifying whether to position the document's window in the
center of the screen.
display_doc_title (boolean)
A flag specifying whether the window's title bar should display the
document title taken from the Title entry of the document
information directory. If false, the title bar should instead
display the name of the PDF file containing the document.
non_full_screen_page_mode (name)
The document's page mode, specifying how to display the document on
exiting full-screen mode. Options are the same as "page_mode" in
PDF::API2.
direction ('l2r' or 'r2l')
The predominant reading order for text (left-to-right or
right-to-left).
This entry has no direct effect on the document's contents or page
numbering but may be used to determine the relative positioning of
pages when displayed side-by-side or printed n-up.
view_area (bounding box)
The name of the page boundary representing the area of a page that
shall be displayed when viewing the document on the screen.
view_clip (bounding box)
The name of the page boundary to which the contents of a page shall
be clipped when viewing the document on the screen.
print_area (bounding box)
The name of the page boundary representing the area of a page that
shall be rendered when printing the document.
print_clip (bounding box)
The name of the page boundary to which the contents of a page shall
be clipped when printing the document.
print_scaling ('none' or 'app_default')
The page scaling option that shall be selected when a print dialog
is displayed for this document. "none" represents no page scaling,
and "app_default" represents the reader's default print scaling.
duplex ('simplex', 'duplex_short', or 'duplex_long')
The paper handling option that shall be used when printing the file
from the print dialog. The duplex values represent whether the page
should be flipped on its short edge or long edge, respectively.
pick_tray_by_pdf_size (boolean)
A flag specifying whether the PDF page size shall be used to select
the input paper tray. This setting influences only the preset values
used to populate the print dialog presented by the reader.
print_page_rage (an array of integer pairs)
The page numbers used to initialize the print dialog box when the
file is printed. The array shall contain an even number of integers
to be interpreted in pairs, with each pair specifying the first and
last pages in a sub-range of pages to be printed. The first page of
the PDF file shall be denoted by 1.
num_copies (integer)
The number of copies that shall be printed when the print dialog is
opened for this file.
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