/*
# filename.h: declarations for manipulating filenames.
#
# Copyright (C) 1992, 2011 Free Software Foundation, Inc.
#
# This program 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 3 of the License, or
# (at your option) any later version.
#
# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
#
*/



#ifndef FILENAME_H
#define FILENAME_H

#include "types.h"


/* This searches specifically for the PK font FONT_NAME at resolution
   DPI.  If FONT_NAME is absolute or explicitly relative, we simply
   return whether `FONT_NAME.DPIpk' is readable.  Otherwise, we use the
   environment variables PKFONTS, then TEXPKS, then TEXFONTS for the
   paths to search.  We return NULL if the font cannot be found.  */
extern string find_pk_filename (string font_name, unsigned dpi);

/* Like `find_pk_filename', except search for a GF font named
   `FONT_NAME.DPIgf'.  The environment variables used are GFFONTS then
   TEXFONTS.  We return NULL if the font cannot be found.  */
extern string find_gf_filename (string font_name, unsigned dpi);

/* Like `find_pk_filename', except search for a TFM file named
   `FONT_NAME.tfm'.  The environment variable used is TEXFONTS.  We
   return NULL if the font cannot be found.  */
extern string find_tfm_filename (string font_name);

#endif /* not FILENAME_H */