Raph Levien
62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// A very simple commandline tool for decompressing woff2 format files
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// (given as argc[1]), writing the decompressed version to stdout.
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <cstdio>
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#include <cstdlib>
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#include "opentype-sanitiser.h"
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#include "woff2.h"
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namespace {
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int Usage(const char *argv0) {
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std::fprintf(stderr, "Usage: %s woff2_file > dest_ttf_file\n", argv0);
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return 1;
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}
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} // namespace
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int main(int argc, char **argv) {
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if (argc != 2) return Usage(argv[0]);
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if (::isatty(1)) return Usage(argv[0]);
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const int fd = ::open(argv[1], O_RDONLY);
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if (fd < 0) {
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::perror("open");
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return 1;
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}
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struct stat st;
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::fstat(fd, &st);
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uint8_t *data = new uint8_t[st.st_size];
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if (::read(fd, data, st.st_size) != st.st_size) {
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::perror("read");
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return 1;
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}
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::close(fd);
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size_t decompressed_size = ots::ComputeWOFF2FinalSize(data, st.st_size);
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if (decompressed_size == 0) {
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std::fprintf(stderr, "Error computing decompressed file size!\n");
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return 1;
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}
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uint8_t *buf = new uint8_t[decompressed_size];
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const bool result = ots::ConvertWOFF2ToTTF(buf, decompressed_size,
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data, st.st_size);
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if (!result) {
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std::fprintf(stderr, "Failed to decompress file!\n");
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}
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fwrite(buf, 1, decompressed_size, stdout);
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return !result;
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}
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