1/*
2 * Copyright 2011 Google Inc. All Rights Reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_MERGER_H_
18#define TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_MERGER_H_
19
20#include "subtly/character_predicate.h"
21#include "subtly/font_info.h"
22
23namespace sfntly {
24class Font;
25}
26
27namespace subtly {
28// Merges the subsets in the font array into a single font.
29class Merger : public sfntly::RefCounted<Merger> {
30 public:
31  explicit Merger(sfntly::FontArray* fonts);
32  virtual ~Merger() { }
33
34  // Performs merging returning the subsetted font.
35  virtual CALLER_ATTACH sfntly::Font* Merge();
36
37 protected:
38  virtual CALLER_ATTACH FontInfo* MergeFontInfos();
39
40 private:
41  FontIdMap fonts_;
42};
43}
44
45#endif  // TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_MERGER_H_
46