test-unifont.c revision 86db5dfb6d334e583ea4161191754522ce850eed
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright (C) 2014 David Herrmann <dh.herrmann@gmail.com>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
/*
* Test Unifont Helper
* This tries opening the binary unifont glyph-array and renders some glyphs.
* The glyphs are then compared to hard-coded glyphs.
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "macro.h"
#include "unifont-def.h"
#include "unifont-internal.h"
#include "util.h"
static void render(char *w, const unifont_glyph *g) {
unsigned int i, j;
const uint8_t *d = g->data;
for (j = 0; j < 16; ++j) {
for (i = 0; i < 8 * g->cwidth; ++i) {
if (d[i / 8] & (1 << (7 - i % 8)))
*w++ = '#';
else
*w++ = ' ';
}
*w++ = '\n';
d += g->stride;
}
*w++ = 0;
}
static void test_unifont(void) {
char buf[4096];
unifont_glyph g;
unifont *u;
assert_se(unifont_new(&u) >= 0);
/* lookup invalid font */
assert_se(unifont_lookup(u, &g, 0xffffffffU) < 0);
/* lookup and render 'A' */
assert_se(unifont_lookup(u, &g, 'A') >= 0);
assert_se(g.width == 8);
assert_se(g.height == 16);
assert_se(g.stride >= 1);
assert_se(g.cwidth == 1);
assert_se(g.data != NULL);
render(buf, &g);
assert_se(!strcmp(buf,
" \n"
" \n"
" \n"
" \n"
" ## \n"
" # # \n"
" # # \n"
" # # \n"
" # # \n"
" ###### \n"
" # # \n"
" # # \n"
" # # \n"
" # # \n"
" \n"
" \n"
));
/* lookup and render '什' */
assert_se(unifont_lookup(u, &g, 0x4ec0) >= 0);
assert_se(g.width == 16);
assert_se(g.height == 16);
assert_se(g.stride >= 2);
assert_se(g.cwidth == 2);
assert_se(g.data != NULL);
render(buf, &g);
assert_se(!strcmp(buf,
" # # \n"
" # # \n"
" # # \n"
" # # \n"
" # # \n"
" ## # \n"
" ## ########## \n"
" # # # \n"
"# # # \n"
" # # \n"
" # # \n"
" # # \n"
" # # \n"
" # # \n"
" # # \n"
" # # \n"
));
unifont_unref(u);
}
int main(int argc, char **argv) {
if (access(UNIFONT_PATH, F_OK))
return 77;
test_unifont();
return 0;
}