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 always 1024 by 768) 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.