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 SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_INDEX_SUBTABLE_FORMAT5_H_
18#define SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_INDEX_SUBTABLE_FORMAT5_H_
19
20#include "sfntly/table/bitmap/big_glyph_metrics.h"
21#include "sfntly/table/bitmap/index_sub_table.h"
22
23namespace sfntly {
24
25class IndexSubTableFormat5 : public IndexSubTable,
26                             public RefCounted<IndexSubTableFormat5> {
27 public:
28  class Builder : public IndexSubTable::Builder,
29                  public RefCounted<Builder> {
30   public:
31    class BitmapGlyphInfoIterator
32        : public RefIterator<BitmapGlyphInfo, Builder, IndexSubTable::Builder> {
33     public:
34      explicit BitmapGlyphInfoIterator(Builder* container);
35      virtual ~BitmapGlyphInfoIterator() {}
36
37      virtual bool HasNext();
38      CALLER_ATTACH virtual BitmapGlyphInfo* Next();
39
40     private:
41      int32_t offset_index_;
42    };
43    virtual ~Builder();
44    virtual int32_t NumGlyphs();
45    virtual int32_t GlyphLength(int32_t glyph_id);
46    virtual int32_t GlyphStartOffset(int32_t glyph_id);
47    CALLER_ATTACH virtual BitmapGlyphInfoIterator* GetIterator();
48
49    virtual CALLER_ATTACH FontDataTable* SubBuildTable(ReadableFontData* data);
50    virtual void SubDataSet();
51    virtual int32_t SubDataSizeToSerialize();
52    virtual bool SubReadyToSerialize();
53    virtual int32_t SubSerialize(WritableFontData* new_data);
54
55    int32_t ImageSize();
56    void SetImageSize(int32_t image_size);
57    BigGlyphMetrics::Builder* BigMetrics();
58    IntegerList* GlyphArray();
59    void SetGlyphArray(const IntegerList& v);
60
61    static CALLER_ATTACH Builder* CreateBuilder();
62    static CALLER_ATTACH Builder* CreateBuilder(ReadableFontData* data,
63                                                int32_t index_sub_table_offset,
64                                                int32_t first_glyph_index,
65                                                int32_t last_glyph_index);
66    static CALLER_ATTACH Builder* CreateBuilder(WritableFontData* data,
67                                                int32_t index_sub_table_offset,
68                                                int32_t first_glyph_index,
69                                                int32_t last_glyph_index);
70   protected:
71    void Revert();
72
73   private:
74    Builder();
75    Builder(WritableFontData* data,
76            int32_t first_glyph_index,
77            int32_t last_glyph_index);
78    Builder(ReadableFontData* data,
79            int32_t first_glyph_index,
80            int32_t last_glyph_index);
81
82    IntegerList* GetGlyphArray();
83    void Initialize(ReadableFontData* data);
84
85    static int32_t DataLength(ReadableFontData* data,
86                              int32_t index_sub_table_offset,
87                              int32_t first_glyph_index,
88                              int32_t last_glyph_index);
89
90    IntegerList glyph_array_;
91    BigGlyphMetricsBuilderPtr metrics_;
92  };
93  virtual ~IndexSubTableFormat5();
94
95  virtual int32_t NumGlyphs();
96  virtual int32_t GlyphStartOffset(int32_t glyph_id);
97  virtual int32_t GlyphLength(int32_t glyph_id);
98
99  int32_t ImageSize();
100  CALLER_ATTACH BigGlyphMetrics* BigMetrics();
101
102 private:
103  IndexSubTableFormat5(ReadableFontData* data,
104                       int32_t first_glyph_index,
105                       int32_t last_glyph_index);
106
107  static int32_t NumGlyphs(ReadableFontData* dta, int32_t table_offset);
108
109  int32_t image_size_;
110
111  friend class Builder;
112};
113typedef Ptr<IndexSubTableFormat5> IndexSubTableFormat5Ptr;
114typedef Ptr<IndexSubTableFormat5::Builder> IndexSubTableFormat5BuilderPtr;
115
116}  // namespace sfntly
117
118#endif  // SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_INDEX_SUBTABLE_FORMAT5_H_
119