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# output-gf.c: write a GF 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/>.
#
#include "config.h"
#include "filename.h"
#include "gf.h"
#include "report.h"
#include "output-gf.h"
/* The basename of the input file. */
static string input_basename;
/* Open the output file and write the preamble. We don't bother to
change the comment to identify ourselves, since the changes we will
make aren't likely to be drastic. We have to ensure that we do not
overwrite the input file; if INPUT_NAME and our constructed output
name do refer to the same file, we simply prepend an `x' to the
output name. Not very elegant, but it does solve the problem. */
void
gf_start_output (string input_name, const_string output_name, string dpi,
string comment)
{
string gf_name = extend_filename (output_name, concat (dpi, "gf"));
if (same_file_p (input_name, gf_name))
{
string old_gf_name = gf_name;
gf_name = make_prefix ("x", gf_name);
WARNING2 ("fontconvert: The output file (%s) is also the \
the input file, so I am writing to `%s'", old_gf_name, gf_name);
}
if (!gf_open_output_file (gf_name))
FATAL_PERROR (gf_name);
gf_put_preamble (comment);
/* We might need this in `gf_finish_output', to open the TFM file. */
input_basename = basename (input_name);
}
/* Write a single character. */
void
gf_output_char (char_info_type c, real design_size_ratio)
{
gf_char_type gf_char;
GF_CHARCODE (gf_char) = CHARCODE (c);
GF_BITMAP (gf_char) = CHAR_BITMAP (c);
GF_CHAR_BB (gf_char) = CHAR_BB (c);
GF_H_ESCAPEMENT (gf_char) = CHAR_SET_WIDTH (c);
GF_TFM_WIDTH (gf_char) = design_size_ratio * CHAR_TFM_WIDTH (c);
gf_put_char (gf_char);
}
/* Write the postamble and close the file. */
void
gf_finish_output (real design_size, real dpi)
{
gf_put_postamble (real_to_fix (design_size), dpi, dpi);
gf_close_output_file ();
}
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