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_FONT_ASSEMBLER_H_
18#define TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_FONT_ASSEMBLER_H_
19
20#include <set>
21#include <map>
22
23#include "subtly/font_info.h"
24
25#include "sfntly/tag.h"
26#include "sfntly/font.h"
27#include "sfntly/port/type.h"
28#include "sfntly/port/refcount.h"
29#include "sfntly/table/core/cmap_table.h"
30#include "sfntly/table/truetype/glyph_table.h"
31#include "sfntly/table/truetype/loca_table.h"
32
33namespace subtly {
34// Assembles FontInfo into font builders.
35// Does not take ownership of data passed to it.
36class FontAssembler : public sfntly::RefCounted<FontAssembler> {
37 public:
38  // font_info is the FontInfo which will be used for the new font
39  // table_blacklist is used to decide which tables to exclude from the
40  // final font.
41  FontAssembler(FontInfo* font_info, sfntly::IntegerSet* table_blacklist);
42  explicit FontAssembler(FontInfo* font_info);
43  ~FontAssembler() { }
44
45  // Assemble a new font from the font info object.
46  virtual CALLER_ATTACH sfntly::Font* Assemble();
47
48  sfntly::IntegerSet* table_blacklist() const { return table_blacklist_; }
49  void set_table_blacklist(sfntly::IntegerSet* table_blacklist) {
50    table_blacklist_ = table_blacklist;
51  }
52
53 protected:
54  virtual bool AssembleCMapTable();
55  virtual bool AssembleGlyphAndLocaTables();
56
57  virtual void Initialize();
58
59 private:
60  sfntly::Ptr<FontInfo> font_info_;
61  sfntly::Ptr<sfntly::FontFactory> font_factory_;
62  sfntly::Ptr<sfntly::Font::Builder> font_builder_;
63  sfntly::IntegerSet* table_blacklist_;
64};
65}
66
67#endif  // TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_FONT_ASSEMBLER_H_
68