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# input-pbm.h: declarations for reading an PBM file.
#
# 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 INPUT_PBM_H
#define INPUT_PBM_H
#include "types.h"
#include "image-header.h"
/* Prepare to read FILENAME. */
extern void pbm_open_input_file (string filename);
/* Close up gracefully. */
extern void pbm_close_input_file (void);
/* Read the header. */
extern void pbm_get_header (void);
/* Read a single scanline into P. P must point to a large-enough block
for one entire scanline (the width of the image is given in the
header). If at the end of the input file, returns false, else
returns true. */
extern boolean pbm_get_scanline (one_byte *p);
#endif /* not INPUT_PBM_H */
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