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NAME
     xditview - display ditroff DVI files

SYNOPSIS
     xditview [ -toolkitoption ... ] [ -option ... ] [ filename ]

DESCRIPTION
     The  xditview  program  displays  ditroff  output  on  an  X
     display.   It uses no special metrics and automatically con-
     verts the printer coordinates into screen coordinates; using
     the user-specified screen resolution, rather than the actual
     resolution so that the appropriate fonts can be  found.   If
     ``-'' is given as the filename, xditview reads from standard
     input.   If  ``|''  is  the  first  character  of  filename,
     xditview  forks  sh to run the rest of the ``file name'' and
     uses the standard output of that command.

OPTIONS
     Xditview accepts all of the standard X Toolkit command  line
     options along with the additional options listed below:

     -page page-number
             This option specifies the page number of  the  docu-
             ment to be displayed at start up time.

     -resolution screen-resolution
             This specifies the desired screen resolution to use;
             fonts  will  be opened by requesting this resolution
             field in the XLFD names.

     -noPolyText
             Some X servers incorrectly implement  PolyText  with
             multiple strings per request.  This option suppesses
             the use of this feature in xditview.

     -backingStore backing-store-type
             Redisplay of the DVI window can take up to a  second
             or  so,  this  option  causes the server to save the
             window contents so that when it is  scrolled  around
             the  viewport,  the  window is painted from contents
             saved in backing store.  backing-store-type  can  be
             one of Always, WhenMapped or NotUseful.

     The following standard X Toolkit command line arguments  are
     commonly used with xditview:

     -bg color
             This option specifies the color to use for the back-
             ground of the window. The default is white.

     -bd color
             This option specifies  the  color  to  use  for  the
             border of the window.  The default is black.

     -bw number
             This option specifies the width  in  pixels  of  the
             border surrounding the window.

     -fg color
             This option specifies the color to use for  display-
             ing text.  The default is black.

     -fn font
             This option  specifies  the  font  to  be  used  for
             displaying widget text.  The default is fixed.

     -rv     This option indicates that reverse video  should  be
             simulated  by swapping the foreground and background
             colors.

     -geometry geometry
             This option specifies the preferred size  and  posi-
             tion of the window.

     -display host:display
             This option specifies the X server to contact.

     -xrm resourcestring
             This option specifies a resource string to be used.

X DEFAULTS
     This program uses a Dvi widget.  It understands all  of  the
     core resource names and classes as well as:

     width (class Width)
             Specifies the width of the window.

     height (class Height)
             Specifies the height of the window.

     foreground (class Foreground)
             Specifies the default foreground color.

     font (class Font)
             Specifies the font to be used for error messages.

     FontMap (class FontMap)
             To associate the ditroff fonts  with  appropriate  X
             fonts,  this  string resource contains a set of new-
             line separated specifications, each  of  which  con-
             sists  of  a  ditroff  name, some white space and an
             XLFD pattern with * characters in appropriate places
             to  allow  all  sizes  to  be  listed.   The default
             fontMap is:
             R    -*-times-medium-r-normal--*-*-*-*-*-*-iso8859-1\n\
             I    -*-times-medium-i-normal--*-*-*-*-*-*-iso8859-1\n\
             B    -*-times-bold-r-normal--*-*-*-*-*-*-iso8859-1\n\
             F    -*-times-bold-i-normal--*-*-*-*-*-*-iso8859-1\n\
             BI   -*-times-bold-i-normal--*-*-*-*-*-*-iso8859-1\n\
             C    -*-courier-medium-r-normal--*-*-*-*-*-*-iso8859-1\n\
             CO   -*-courier-medium-o-normal--*-*-*-*-*-*-iso8859-1\n\
             CB   -*-courier-bold-r-normal--*-*-*-*-*-*-iso8859-1\n\
             CF   -*-courier-bold-o-normal--*-*-*-*-*-*-iso8859-1\n\
             H    -*-helvetica-medium-r-normal--*-*-*-*-*-*-iso8859-1\n\
             HO   -*-helvetica-medium-o-normal--*-*-*-*-*-*-iso8859-1\n\
             HB   -*-helvetica-bold-r-normal--*-*-*-*-*-*-iso8859-1\n\
             HF   -*-helvetica-bold-o-normal--*-*-*-*-*-*-iso8859-1\n\
             N    -*-new century schoolbook-medium-r-normal--*-*-*-*-*-*-iso8859-1\n\
             NI   -*-new century schoolbook-medium-i-normal--*-*-*-*-*-*-iso8859-1\n\
             NB   -*-new century schoolbook-bold-r-normal--*-*-*-*-*-*-iso8859-1\n\
             NF   -*-new century schoolbook-bold-i-normal--*-*-*-*-*-*-iso8859-1\n\
             A    -*-charter-medium-r-normal--*-*-*-*-*-*-iso8859-1\n\
             AI   -*-charter-medium-i-normal--*-*-*-*-*-*-iso8859-1\n\
             AB   -*-charter-bold-r-normal--*-*-*-*-*-*-iso8859-1\n\
             AF   -*-charter-bold-i-normal--*-*-*-*-*-*-iso8859-1\n\
             S    -*-symbol-medium-r-normal--*-*-*-*-*-*-adobe-fontspecific\n\
             S2   -*-symbol-medium-r-normal--*-*-*-*-*-*-adobe-fontspecific\n


USING XDITVIEW WITH DITROFF
     You can use any DVI file with xditview, although  DVI  files
     which  use  the  fonts  appropriate to the fontMap will look
     more accurate on  the  screen.   On  servers  which  support
     scaled  fonts,  all  requested font sizes will be accurately
     reflected on the screen; for servers which  do  not  support
     scaled xditview will use the closest font from the same fam-
     ily.

SEE ALSO
     X11(7), xrdb(1), X Logical Font Description Conventions

ORIGIN
     Portions of this program  originated  in  xtroff  which  was
     derived from suntroff.

COPYRIGHT
     Copyright 1989, Massachusetts Institute of Technology.
     See X11(7) for a full statement of rights and permissions.

AUTHORS
     Keith Packard (MIT X Consortium)
     Richard L. Hyde (Purdue)
     David Slattengren (Berkeley)
     Malcom Slaney (Schlumberger Palo Alto Research)
     Mark Moraes (University of Toronto)

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