1// Copyright 2016 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#ifndef CORE_FPDFAPI_FONT_CPDF_FONTENCODING_H_
8#define CORE_FPDFAPI_FONT_CPDF_FONTENCODING_H_
9
10#include <memory>
11
12#include "core/fxcrt/cfx_string_pool_template.h"
13#include "core/fxcrt/cfx_weak_ptr.h"
14#include "core/fxcrt/fx_string.h"
15
16#define PDFFONT_ENCODING_BUILTIN 0
17#define PDFFONT_ENCODING_WINANSI 1
18#define PDFFONT_ENCODING_MACROMAN 2
19#define PDFFONT_ENCODING_MACEXPERT 3
20#define PDFFONT_ENCODING_STANDARD 4
21#define PDFFONT_ENCODING_ADOBE_SYMBOL 5
22#define PDFFONT_ENCODING_ZAPFDINGBATS 6
23#define PDFFONT_ENCODING_PDFDOC 7
24#define PDFFONT_ENCODING_MS_SYMBOL 8
25#define PDFFONT_ENCODING_UNICODE 9
26
27uint32_t FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode);
28FX_WCHAR FT_UnicodeFromCharCode(int encoding, uint32_t charcode);
29
30FX_WCHAR PDF_UnicodeFromAdobeName(const FX_CHAR* name);
31CFX_ByteString PDF_AdobeNameFromUnicode(FX_WCHAR unicode);
32
33const uint16_t* PDF_UnicodesForPredefinedCharSet(int encoding);
34const FX_CHAR* PDF_CharNameFromPredefinedCharSet(int encoding,
35                                                 uint8_t charcode);
36
37class CPDF_Object;
38
39class CPDF_FontEncoding {
40 public:
41  CPDF_FontEncoding();
42  explicit CPDF_FontEncoding(int PredefinedEncoding);
43
44  void LoadEncoding(CPDF_Object* pEncoding);
45
46  bool IsIdentical(CPDF_FontEncoding* pAnother) const;
47
48  FX_WCHAR UnicodeFromCharCode(uint8_t charcode) const {
49    return m_Unicodes[charcode];
50  }
51  int CharCodeFromUnicode(FX_WCHAR unicode) const;
52
53  void SetUnicode(uint8_t charcode, FX_WCHAR unicode) {
54    m_Unicodes[charcode] = unicode;
55  }
56
57  std::unique_ptr<CPDF_Object> Realize(CFX_WeakPtr<CFX_ByteStringPool> pPool);
58
59 public:
60  FX_WCHAR m_Unicodes[256];
61};
62
63#endif  // CORE_FPDFAPI_FONT_CPDF_FONTENCODING_H_
64