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/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
Written by Gaius Mulley (gaius@glam.ac.uk)
This file is part of groff.
groff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
groff is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with groff; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include "posix.h"
#include "stringclass.h"
/*
* this file contains a very simple set of routines shared by
* tbl, pic, eqn which help the html device driver to make
* sensible formatting choices. Currently it simply indicates
* when a region of gyphs should be rendered as an image rather
* than html. In the future it should be expanded so to enable:
*
* tbl to inform grohtml about table widths.
* troff to inform grohtml about tab positions and whether
* we are entering two/three column mode.
*/
static int is_in_graphic_start = 0;
/*
* graphic_start - emit a html graphic start indicator, but only
* if one has not already been issued.
*/
void graphic_start (void)
{
if (! is_in_graphic_start) {
put_string(".if '\\*(.T'html' \\X(graphic-start(\\c\n", stdout);
is_in_graphic_start = 1;
}
}
/*
* graphic_end - emit a html graphic end indicator, but only
* if a corresponding matching graphic-start has
* been issued.
*/
void graphic_end (void)
{
if (is_in_graphic_start) {
put_string(".if '\\*(.T'html' \\X(graphic-end(\\c\n", stdout);
is_in_graphic_start = 0;
}
}
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