grodvi - Online in the Cloud

PROGRAM:

NAME

grodvi - convert groff output to TeX dvi format

SYNOPSIS

grodvi [ -dlv ] [ -Fdir ] [ -ppapersize ] [ -wn ] [ files... ]

It is possible to have whitespace between a command line option and its parameter.

DESCRIPTION

grodvi is a driver for groff that produces TeX dvi format. Normally it should be run by
groff -Tdvi. This will run troff -Tdvi; it will also input the macros in
/usr/share/groff/1.22.3/tmac/dvi.tmac.

The dvi file generated by grodvi can be printed by any correctly-written dvi driver. The
troff drawing primitives are implemented using the tpic version 2 specials. If the driver
does not support these, the \D commands will not produce any output.

There is an additional drawing command available:

\D'R dh dv'
Draw a rule (solid black rectangle), with one corner at the current position, and
the diagonally opposite corner at the current position +(dh,dv). Afterwards the
current position will be at the opposite corner. This produces a rule in the dvi
file and so can be printed even with a driver that does not support the tpic
specials unlike the other \D commands.

The groff command \X'anything' is translated into the same command in the dvi file as
would be produced by \special{anything} in TeX; anything may not contain a newline.

For inclusion of EPS image files, -Tdvi loads pspic.tmac automatically, providing the
PSPIC macro. Please check groff_tmac(5) for a detailed description.

Font files for grodvi can be created from tfm files using tfmtodit(1). The font
description file should contain the following additional commands:

internalname name
The name of the tfm file (without the .tfm extension) is name.

checksum n The checksum in the tfm file is n.

designsize n The designsize in the tfm file is n.

These are automatically generated by tfmtodit.

The default color for \m and \M is black. Currently, the drawing color for \D commands is
always black, and fill color values are translated to gray.

In troff the \N escape sequence can be used to access characters by their position in the
corresponding tfm file; all characters in the tfm file can be accessed this way.

By design, the DVI format doesn't care about physical dimensions of the output medium.
Instead, grodvi emits the equivalent to TeX's \special{papersize=width,length} on the
first page; dvips (and possibly other DVI drivers) then sets the page size accordingly.
If either the page width or length is not positive, no papersize special is output.

OPTIONS

-d Do not use tpic specials to implement drawing commands. Horizontal and vertical
lines will be implemented by rules. Other drawing commands will be ignored.

-Fdir Prepend directory dir/devname to the search path for font and device description
files; name is the name of the device, usually dvi.

-l Specify landscape orientation.

-ppapersize
Specify paper dimensions. This overrides the papersize, paperlength, and
paperwidth commands in the DESC file; it accepts the same arguments as the
papersize command (see groff_font(5) for details).

-v Print the version number.

-wn Set the default line thickness to n thousandths of an em. If this option isn't
specified, the line thickness defaults to 0.04 em.

USAGE

There are styles called R, I, B, and BI mounted at font positions 1 to 4. The fonts are
grouped into families T and H having members in each of these styles:

TR CM Roman (cmr10)
TI CM Text Italic (cmti10)
TB CM Bold Extended Roman (cmbx10)
TBI CM Bold Extended Text Italic (cmbxti10)
HR CM Sans Serif (cmss10)
HI CM Slanted Sans Serif (cmssi10)
HB CM Sans Serif Bold Extended (cmssbx10)
HBI CM Slanted Sans Serif Bold Extended (cmssbxo10)

There are also the following fonts which are not members of a family:

CW CM Typewriter Text (cmtt10)
CWI CM Italic Typewriter Text (cmitt10)

Special fonts are MI (cmmi10), S (cmsy10), EX (cmex10), SC (cmtex10, only for CW), and,
perhaps surprisingly, TR, TI, and CW, due to the different font encodings of text fonts.
For italic fonts, CWI is used instead of CW.

Finally, the symbol fonts of the American Mathematical Society are available as special
fonts SA (msam10) and SB (msbm10). These two fonts are not mounted by default.

Using the option -mec (which loads the file ec.tmac) provides the EC and TC fonts. The
design of the EC family is very similar to that of the CM fonts; additionally, they give a
much better coverage of groff symbols. Note that ec.tmac must be called before any
language-specific files; it doesn't take care of hcode values.

ENVIRONMENT

GROFF_FONT_PATH
A list of directories in which to search for the devname directory in addition to
the default ones. See troff(1) and groff_font(5) for more details.

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