Line data Source code
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_FORMAT2_H_
18 : #define SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_INDEX_SUBTABLE_FORMAT2_H_
19 :
20 : #include "sfntly/table/bitmap/index_sub_table.h"
21 : #include "sfntly/table/bitmap/big_glyph_metrics.h"
22 :
23 : namespace sfntly {
24 : // Format 2 Index Subtable Entry.
25 : class IndexSubTableFormat2 : public IndexSubTable,
26 : public RefCounted<IndexSubTableFormat2> {
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 0 : virtual ~BitmapGlyphInfoIterator() {}
36 :
37 : virtual bool HasNext();
38 : CALLER_ATTACH virtual BitmapGlyphInfo* Next();
39 :
40 : private:
41 : int32_t glyph_id_;
42 : };
43 :
44 : virtual ~Builder();
45 : virtual int32_t NumGlyphs();
46 : virtual int32_t GlyphStartOffset(int32_t glyph_id);
47 : virtual int32_t GlyphLength(int32_t glyph_id);
48 : CALLER_ATTACH virtual BitmapGlyphInfoIterator* GetIterator();
49 :
50 : virtual CALLER_ATTACH FontDataTable* SubBuildTable(ReadableFontData* data);
51 : virtual void SubDataSet();
52 : virtual int32_t SubDataSizeToSerialize();
53 : virtual bool SubReadyToSerialize();
54 : virtual int32_t SubSerialize(WritableFontData* new_data);
55 :
56 : int32_t ImageSize();
57 : void SetImageSize(int32_t image_size);
58 : BigGlyphMetrics::Builder* BigMetrics();
59 :
60 : static CALLER_ATTACH Builder* CreateBuilder();
61 : static CALLER_ATTACH Builder* CreateBuilder(ReadableFontData* data,
62 : int32_t index_sub_table_offset,
63 : int32_t first_glyph_index,
64 : int32_t last_glyph_index);
65 : static CALLER_ATTACH Builder* CreateBuilder(WritableFontData* data,
66 : int32_t index_sub_table_offset,
67 : int32_t first_glyph_index,
68 : int32_t last_glyph_index);
69 : private:
70 : Builder();
71 : Builder(WritableFontData* data,
72 : int32_t first_glyph_index,
73 : int32_t last_glyph_index);
74 : Builder(ReadableFontData* data,
75 : int32_t first_glyph_index,
76 : int32_t last_glyph_index);
77 :
78 : static int32_t DataLength(ReadableFontData* data,
79 : int32_t index_sub_table_offset,
80 : int32_t first_glyph_index,
81 : int32_t last_glyph_index);
82 :
83 : BigGlyphMetricsBuilderPtr metrics_;
84 : };
85 :
86 : virtual ~IndexSubTableFormat2();
87 :
88 : int32_t ImageSize();
89 : CALLER_ATTACH BigGlyphMetrics* BigMetrics();
90 :
91 : virtual int32_t NumGlyphs();
92 : virtual int32_t GlyphStartOffset(int32_t glyph_id);
93 : virtual int32_t GlyphLength(int32_t glyph_id);
94 :
95 : private:
96 : IndexSubTableFormat2(ReadableFontData* data, int32_t first, int32_t last);
97 :
98 : int32_t image_size_;
99 : friend class Builder;
100 : };
101 : typedef Ptr<IndexSubTableFormat2> IndexSubTableFormat2Ptr;
102 : typedef Ptr<IndexSubTableFormat2::Builder> IndexSubTableFormat2BuilderPtr;
103 :
104 : } // namespace sfntly
105 :
106 : #endif // SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_INDEX_SUBTABLE_FORMAT1_H_
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