hb_wrappers.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_TOOLS_FONT_SUBSET_HB_WRAPPERS_H_
#define FLUTTER_TOOLS_FONT_SUBSET_HB_WRAPPERS_H_
 
#include <hb-subset.h>
 
#include <memory>
 
namespace HarfbuzzWrappers {
struct hb_blob_deleter {
  void operator()(hb_blob_t* ptr) { hb_blob_destroy(ptr); }
};
 
struct hb_face_deleter {
  void operator()(hb_face_t* ptr) { hb_face_destroy(ptr); }
};
 
struct hb_subset_input_deleter {
  void operator()(hb_subset_input_t* ptr) { hb_subset_input_destroy(ptr); }
};
 
struct hb_set_deleter {
  void operator()(hb_set_t* ptr) { hb_set_destroy(ptr); }
};
 
using HbBlobPtr = std::unique_ptr<hb_blob_t, hb_blob_deleter>;
using HbFacePtr = std::unique_ptr<hb_face_t, hb_face_deleter>;
using HbSubsetInputPtr =
    std::unique_ptr<hb_subset_input_t, hb_subset_input_deleter>;
using HbSetPtr = std::unique_ptr<hb_set_t, hb_set_deleter>;
 
};  // namespace HarfbuzzWrappers
 
#endif  // FLUTTER_TOOLS_FONT_SUBSET_HB_WRAPPERS_H_