blob: e9e76160621c7f679663aeaa270bcfbf3a35266d [file] [log] [blame]
// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/time.h> // for timersub macro.
#include <unistd.h>
#include <time.h>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include "opentype-sanitiser.h"
#include "ots-memory-stream.h"
namespace {
int Usage(const char *argv0) {
std::fprintf(stderr, "Usage: %s <ttf file>\n", argv0);
return 1;
}
} // namespace
int main(int argc, char **argv) {
ots::DisableDebugOutput(); // turn off ERROR and WARNING outputs.
if (argc != 2) return Usage(argv[0]);
const int fd = ::open(argv[1], O_RDONLY);
if (fd < 0) {
::perror("open");
return 1;
}
struct stat st;
::fstat(fd, &st);
uint8_t *data = new uint8_t[st.st_size];
if (::read(fd, data, st.st_size) != st.st_size) {
std::fprintf(stderr, "Failed to read file!\n");
return 1;
}
// A transcoded font is usually smaller than an original font.
// However, it can be slightly bigger than the original one due to
// name table replacement and/or padding for glyf table.
static const size_t kPadLen = 20 * 1024;
uint8_t *result = new uint8_t[st.st_size + kPadLen];
int num_repeat = 250;
if (st.st_size < 1024 * 1024) {
num_repeat = 2500;
}
if (st.st_size < 1024 * 100) {
num_repeat = 5000;
}
struct timeval start, end, elapsed;
::gettimeofday(&start, 0);
for (int i = 0; i < num_repeat; ++i) {
ots::MemoryStream output(result, st.st_size + kPadLen);
bool r = ots::Process(&output, data, st.st_size);
if (!r) {
std::fprintf(stderr, "Failed to sanitise file!\n");
return 1;
}
}
::gettimeofday(&end, 0);
timersub(&end, &start, &elapsed);
long long unsigned us
= ((elapsed.tv_sec * 1000 * 1000) + elapsed.tv_usec) / num_repeat;
std::fprintf(stderr, "%llu [us] %s (%llu bytes, %llu [byte/us])\n",
us, argv[1], static_cast<long long>(st.st_size),
(us ? st.st_size / us : 0));
return 0;
}