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      1 // Copyright 2014 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 // Library for converting WOFF2 format font files to their TTF versions.
     16 
     17 #ifndef WOFF2_WOFF2_ENC_H_
     18 #define WOFF2_WOFF2_ENC_H_
     19 
     20 #include <stddef.h>
     21 #include <inttypes.h>
     22 
     23 namespace woff2 {
     24 
     25 // Returns an upper bound on the size of the compressed file.
     26 size_t MaxWOFF2CompressedSize(const uint8_t* data, size_t length);
     27 
     28 // Compresses the font into the target buffer. *result_length should be at least
     29 // the value returned by MaxWOFF2CompressedSize(), upon return, it is set to the
     30 // actual compressed size. Returns true on successful compression.
     31 bool ConvertTTFToWOFF2(const uint8_t *data, size_t length,
     32                        uint8_t *result, size_t *result_length);
     33 
     34 } // namespace woff2
     35 
     36 #endif  // WOFF2_WOFF2_ENC_H_
     37