third_party/woff2/src/woff2_decompress.cc

   1 // Copyright 2013 Google Inc. All Rights Reserved.
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 // http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14 //
  15 // A very simple commandline tool for decompressing woff2 format files to true
  16 // type font files.
  17
  18 #include <string>
  19
  20
  21 #include "file.h"
  22 #include "./woff2_dec.h"
  23
  24 int main(int argc, char **argv) {
  25   using std::string;
  26
  27   if (argc != 2) {
  28     fprintf(stderr, "One argument, the input filename, must be provided.\n");
  29     return 1;
  30   }
  31
  32   string filename(argv[1]);
  33   string outfilename = filename.substr(0, filename.find_last_of(".")) + ".ttf";
  34   fprintf(stdout, "Processing %s => %s\n",
  35     filename.c_str(), outfilename.c_str());
  36   string input = woff2::GetFileContent(filename);
  37
  38   size_t decompressed_size = woff2::ComputeWOFF2FinalSize(
  39       reinterpret_cast<const uint8_t*>(input.data()), input.size());
  40   string output(decompressed_size, 0);
  41   const bool ok = woff2::ConvertWOFF2ToTTF(
  42       reinterpret_cast<uint8_t*>(&output[0]), decompressed_size,
  43       reinterpret_cast<const uint8_t*>(input.data()), input.size());
  44
  45   if (!ok) {
  46     fprintf(stderr, "Decompression failed\n");
  47     return 1;
  48   }
  49
  50   woff2::SetFileContents(outfilename, output);
  51
  52   return 0;
  53 }
  54