third_party/woff2/src/woff2_compress.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 commandline tool for compressing ttf format files to woff2.
  16
  17 #include <string>
  18
  19 #include "file.h"
  20 #include "./woff2_enc.h"
  21
  22
  23 int main(int argc, char **argv) {
  24   using std::string;
  25
  26   if (argc != 2) {
  27     fprintf(stderr, "One argument, the input filename, must be provided.\n");
  28     return 1;
  29   }
  30
  31   string filename(argv[1]);
  32   string outfilename = filename.substr(0, filename.find_last_of(".")) + ".woff2";
  33   fprintf(stdout, "Processing %s => %s\n",
  34     filename.c_str(), outfilename.c_str());
  35   string input = woff2::GetFileContent(filename);
  36
  37   const uint8_t* input_data = reinterpret_cast<const uint8_t*>(input.data());
  38   size_t output_size = woff2::MaxWOFF2CompressedSize(input_data, input.size());
  39   string output(output_size, 0);
  40   uint8_t* output_data = reinterpret_cast<uint8_t*>(&output[0]);
  41
  42   if (!woff2::ConvertTTFToWOFF2(input_data, input.size(),
  43                                 output_data, &output_size)) {
  44     fprintf(stderr, "Compression failed.\n");
  45     return 1;
  46   }
  47   output.resize(output_size);
  48
  49   woff2::SetFileContents(outfilename, output);
  50
  51   return 0;
  52 }