2.4 Constants and Layout Variables
Return #t if v is 'fullscreen,
'widescreen, or #f, otherwise returns #f.
A symbolic v selects a specific aspect, while #f as
an aspect corresponds to a user-selected aspect through the
--widescreen or --fullscreen flag.
See also Fullscreen vs. Widescreen Aspect Ratio.
Added in version 1.5 of package slideshow-lib.
A width commonly used for layout.
A parameter whose value is a width used for the separation between
items by slide
, the size and spacing of a bullet for
, the space between a slide title and content in
mode, etc. The default value is gap-size
A filled bullet used by default by item
It is either (t "•"), if that character
is available in the font that t uses,
or it uses an implementation similar to o-bullet,
but not hollow (using disk, not circle).
A hollow bullet used by default by subitem
It’s implementation is:
Changed in version 1.5 of package slideshow-lib: Added get-client-w.
Changed in version 1.5 of package slideshow-lib: Added get-client-h.
Changed in version 1.5 of package slideshow-lib: Added get-full-page.
Changed in version 1.5 of package slideshow-lib: Added get-titleless-page.
Produces a number that corresponds to the current margin, which
surrounds every side of the slide. The client area for a slide
corresponds to the display area (which is either 1024 by 768 or 1360 by 766) minus
this margin on each side. The default margin is 20.
The margin can be adjusted via set-margin!.
Produces a number that corresponds to the height of a title created by
If titlet is changed via the current-titlet
parameter, the title height should be updated via
The value is #t if slides are being generated for printed
output, #f for normal on-screen display. Printing mode is
normally triggered via the --print or --ps command-line
The value is #t if slides are being generated in condensed
mode, #f for normal mode. Condensed mode is normally
triggered via the --condense command-line flag.