fontconfig/fc-query/fc-query.c

220 lines
5.6 KiB
C

/*
* fontconfig/fc-query/fc-query.c
*
* Copyright © 2003 Keith Packard
* Copyright © 2008 Red Hat, Inc.
* Red Hat Author(s): Behdad Esfahbod
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the author(s) not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors make no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#else
#ifdef linux
#define HAVE_GETOPT_LONG 1
#endif
#define HAVE_GETOPT 1
#endif
#include <fontconfig/fontconfig.h>
#include <fontconfig/fcfreetype.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#ifndef HAVE_GETOPT
#define HAVE_GETOPT 0
#endif
#ifndef HAVE_GETOPT_LONG
#define HAVE_GETOPT_LONG 0
#endif
#if HAVE_GETOPT_LONG
#undef _GNU_SOURCE
#define _GNU_SOURCE
#include <getopt.h>
static const struct option longopts[] = {
{"ignore-blanks", 0, 0, 'b'},
{"index", 1, 0, 'i'},
{"format", 1, 0, 'f'},
{"version", 0, 0, 'V'},
{"help", 0, 0, 'h'},
{NULL,0,0,0},
};
#else
#if HAVE_GETOPT
extern char *optarg;
extern int optind, opterr, optopt;
#endif
#endif
static void
usage (char *program, int error)
{
FILE *file = error ? stderr : stdout;
#if HAVE_GETOPT_LONG
fprintf (file, "usage: %s [-Vbh] [-i index] [-f FORMAT] [--ignore-blanks] [--index index] [--format FORMAT] [--version] [--help] font-file...\n",
program);
#else
fprintf (file, "usage: %s [-Vbh] [-i index] [-f FORMAT] font-file...\n",
program);
#endif
fprintf (file, "Query font files and print resulting pattern(s)\n");
fprintf (file, "\n");
#if HAVE_GETOPT_LONG
fprintf (file, " -b, --ignore-blanks ignore blanks to compute langauges\n");
fprintf (file, " -i, --index INDEX display the INDEX face of each font file only\n");
fprintf (file, " -f, --format=FORMAT use the given output format\n");
fprintf (file, " -V, --version display font config version and exit\n");
fprintf (file, " -h, --help display this help and exit\n");
#else
fprintf (file, " -b (ignore-blanks) ignore blanks to compute languages\n");
fprintf (file, " -i INDEX (index) display the INDEX face of each font file only\n");
fprintf (file, " -f FORMAT (format) use the given output format\n");
fprintf (file, " -V (version) display font config version and exit\n");
fprintf (file, " -h (help) display this help and exit\n");
#endif
exit (error);
}
int
main (int argc, char **argv)
{
FT_Library ftLibrary;
int index_set = 0;
int set_index = 0;
int set_face_num = 0;
int set_instance_num = 0;
int ignore_blanks = 0;
FcChar8 *format = NULL;
FcBlanks *blanks = NULL;
int err = 0;
int i;
#if HAVE_GETOPT_LONG || HAVE_GETOPT
int c;
#if HAVE_GETOPT_LONG
while ((c = getopt_long (argc, argv, "bi:f:Vh", longopts, NULL)) != -1)
#else
while ((c = getopt (argc, argv, "bi:f:Vh")) != -1)
#endif
{
switch (c) {
case 'b':
ignore_blanks = 1;
break;
case 'i':
index_set = 1;
set_index = atoi (optarg);
break;
case 'f':
format = (FcChar8 *) strdup (optarg);
break;
case 'V':
fprintf (stderr, "fontconfig version %d.%d.%d\n",
FC_MAJOR, FC_MINOR, FC_REVISION);
exit (0);
case 'h':
usage (argv[0], 0);
default:
usage (argv[0], 1);
}
}
i = optind;
#else
i = 1;
#endif
if (i == argc)
usage (argv[0], 1);
if (FT_Init_FreeType (&ftLibrary))
return 1;
if (!ignore_blanks)
blanks = FcConfigGetBlanks (NULL);
for (; i < argc; i++)
{
FT_Face face;
int num_faces = 0;
int num_instances = 0;
int face_num = 0;
int instance_num = 0;
int id;
if (index_set)
{
face_num = set_face_num = set_index & 0xFFFF;
instance_num = set_instance_num = set_index >> 16;
}
do {
FcPattern *pat;
id = ((instance_num << 16) + face_num);
if (FT_New_Face (ftLibrary, argv[i], id, &face))
break;
num_faces = face->num_faces;
num_instances = face->style_flags >> 16;
pat = FcFreeTypeQueryFace (face, (const FcChar8 *) argv[i], id, blanks);
FT_Done_Face (face);
if (pat)
{
if (format)
{
FcChar8 *s;
s = FcPatternFormat (pat, format);
if (s)
{
printf ("%s", s);
FcStrFree (s);
}
}
else
{
FcPatternPrint (pat);
}
FcPatternDestroy (pat);
}
else
{
fprintf (stderr, "Can't query face %d of font file %s\n", id, argv[i]);
err = 1;
}
if (instance_num < num_instances && !set_instance_num)
instance_num++;
else
{
face_num++;
instance_num = 0;
}
} while (!err && (!index_set || face_num == set_face_num) && face_num < num_faces);
}
FT_Done_FreeType (ftLibrary);
FcFini ();
return err;
}