toaruos/apps/font-tool.c
2021-11-03 06:31:58 +09:00

84 lines
1.7 KiB
C

/**
* @file apps/font-tool.c
* @brief Print information about TrueType fonts.
*
* @copyright
* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2021 K. Lange
*/
#include <stdio.h>
#include <getopt.h>
#include <toaru/graphics.h>
#include <toaru/text.h>
static void usage(char * argv[]) {
printf(
"usage: %s [-n] [FONT]\n"
"Print information about TrueType fonts. If FONT is not specified,\n"
"the system monospace font will be used.\n"
"\n"
" -n --name \033[3mPrint the stored name of the font.\033[0m\n"
" -h --help \033[3mShow this help message.\033[0m\n"
"\n",
argv[0]);
}
#define SHOW_NAME (1 << 0)
int main(int argc, char * argv[]) {
static struct option long_opts[] = {
{"name", no_argument, 0, 'n'},
{"help", no_argument, 0, 'h'},
{0,0,0,0}
};
int flags = 0;
/* Read some arguments */
int index, c;
while ((c = getopt_long(argc, argv, "nh", long_opts, &index)) != -1) {
if (!c) {
if (long_opts[index].flag == 0) {
c = long_opts[index].val;
}
}
switch (c) {
case 'h':
usage(argv);
return 0;
break;
case 'n':
flags |= SHOW_NAME;
break;
default:
break;
}
}
struct TT_Font * my_font;
if (optind < argc) {
my_font = tt_font_from_file(argv[optind]);
if (!my_font) {
fprintf(stderr, "%s: %s: Could not load font.\n", argv[0], argv[optind]);
return 1;
}
} else {
my_font = tt_font_from_shm("monospace");
if (!my_font) {
fprintf(stderr, "Unknown.\n");
return 1;
}
}
if (flags & SHOW_NAME) {
extern char * tt_get_name_string(struct TT_Font * font, int identifier);
fprintf(stdout, "%s\n", tt_get_name_string(my_font, 4));
}
return 0;
}