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_BYTE_ARRAY_TABLE_BUILDER_H_
18#define SFNTLY_CPP_SRC_SFNTLY_TABLE_BYTE_ARRAY_TABLE_BUILDER_H_
19
20#include "sfntly/table/table_based_table_builder.h"
21
22namespace sfntly {
23
24// An abstract builder base for byte array based tables.
25class ByteArrayTableBuilder : public TableBasedTableBuilder {
26 public:
27  virtual ~ByteArrayTableBuilder();
28
29  // Get the byte value at the specified index. The index is relative to the
30  // start of the table.
31  // @param index index relative to the start of the table
32  // @return byte value at the given index
33  virtual int32_t ByteValue(int32_t index);
34
35  // Set the byte value at the specified index. The index is relative to the
36  // start of the table.
37  // @param index index relative to the start of the table
38  // @param b byte value to set
39  virtual void SetByteValue(int32_t index, byte_t b);
40
41  // Get the number of bytes set for this table. It may include padding bytes at
42  // the end.
43  virtual int32_t ByteCount();
44
45 protected:
46  ByteArrayTableBuilder(Header* header, WritableFontData* data);
47  ByteArrayTableBuilder(Header* header, ReadableFontData* data);
48  explicit ByteArrayTableBuilder(Header* header);
49};
50
51}  // namespace sfntly
52
53#endif  // SFNTLY_CPP_SRC_SFNTLY_TABLE_BYTE_ARRAY_TABLE_BUILDER_H_
54