1// Copyright 2014 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_INCLUDE_FXCRT_FX_UCD_H_
8#define CORE_INCLUDE_FXCRT_FX_UCD_H_
9
10#include "fx_basic.h"
11
12#define FX_BIDICLASSBITS 6
13#define FX_BIDICLASSBITSMASK (31 << FX_BIDICLASSBITS)
14enum FX_BIDICLASS {
15  FX_BIDICLASS_ON = 0,    // Other Neutral
16  FX_BIDICLASS_L = 1,     // Left Letter
17  FX_BIDICLASS_R = 2,     // Right Letter
18  FX_BIDICLASS_AN = 3,    // Arabic Number
19  FX_BIDICLASS_EN = 4,    // European Number
20  FX_BIDICLASS_AL = 5,    // Arabic Letter
21  FX_BIDICLASS_NSM = 6,   // Non-spacing Mark
22  FX_BIDICLASS_CS = 7,    // Common Number Separator
23  FX_BIDICLASS_ES = 8,    // European Separator
24  FX_BIDICLASS_ET = 9,    // European Number Terminator
25  FX_BIDICLASS_BN = 10,   // Boundary Neutral
26  FX_BIDICLASS_S = 11,    // Segment Separator
27  FX_BIDICLASS_WS = 12,   // Whitespace
28  FX_BIDICLASS_B = 13,    // Paragraph Separator
29  FX_BIDICLASS_RLO = 14,  // Right-to-Left Override
30  FX_BIDICLASS_RLE = 15,  // Right-to-Left Embedding
31  FX_BIDICLASS_LRO = 16,  // Left-to-Right Override
32  FX_BIDICLASS_LRE = 17,  // Left-to-Right Embedding
33  FX_BIDICLASS_PDF = 18,  // Pop Directional Format
34  FX_BIDICLASS_N = FX_BIDICLASS_ON,
35};
36
37extern const FX_DWORD kTextLayoutCodeProperties[];
38extern const size_t kTextLayoutCodePropertiesSize;
39
40extern const FX_WCHAR kFXTextLayoutVerticalMirror[];
41extern const size_t kFXTextLayoutVerticalMirrorSize;
42
43extern const FX_WCHAR kFXTextLayoutBidiMirror[];
44extern const size_t kFXTextLayoutBidiMirrorSize;
45
46FX_DWORD FX_GetUnicodeProperties(FX_WCHAR wch);
47FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_BOOL bRTL, FX_BOOL bVertical);
48
49#ifdef PDF_ENABLE_XFA
50enum FX_CHARBREAKPROP {
51  FX_CBP_OP = 0,
52  FX_CBP_CL = 1,
53  FX_CBP_QU = 2,
54  FX_CBP_GL = 3,
55  FX_CBP_NS = 4,
56  FX_CBP_EX = 5,
57  FX_CBP_SY = 6,
58  FX_CBP_IS = 7,
59  FX_CBP_PR = 8,
60  FX_CBP_PO = 9,
61  FX_CBP_NU = 10,
62  FX_CBP_AL = 11,
63  FX_CBP_ID = 12,
64  FX_CBP_IN = 13,
65  FX_CBP_HY = 14,
66  FX_CBP_BA = 15,
67  FX_CBP_BB = 16,
68  FX_CBP_B2 = 17,
69  FX_CBP_ZW = 18,
70  FX_CBP_CM = 19,
71  FX_CBP_WJ = 20,
72  FX_CBP_H2 = 21,
73  FX_CBP_H3 = 22,
74  FX_CBP_JL = 23,
75  FX_CBP_JV = 24,
76  FX_CBP_JT = 25,
77
78  FX_CBP_BK = 26,
79  FX_CBP_CR = 27,
80  FX_CBP_LF = 28,
81  FX_CBP_NL = 29,
82  FX_CBP_SA = 30,
83  FX_CBP_SG = 31,
84  FX_CBP_CB = 32,
85  FX_CBP_XX = 33,
86  FX_CBP_AI = 34,
87  FX_CBP_SP = 35,
88  FX_CBP_TB = 37,
89  FX_CBP_NONE = 36,
90};
91
92#define FX_CHARTYPEBITS 11
93#define FX_CHARTYPEBITSMASK (15 << FX_CHARTYPEBITS)
94enum FX_CHARTYPE {
95  FX_CHARTYPE_Unknown = 0,
96  FX_CHARTYPE_Tab = (1 << FX_CHARTYPEBITS),
97  FX_CHARTYPE_Space = (2 << FX_CHARTYPEBITS),
98  FX_CHARTYPE_Control = (3 << FX_CHARTYPEBITS),
99  FX_CHARTYPE_Combination = (4 << FX_CHARTYPEBITS),
100  FX_CHARTYPE_Numeric = (5 << FX_CHARTYPEBITS),
101  FX_CHARTYPE_Normal = (6 << FX_CHARTYPEBITS),
102  FX_CHARTYPE_ArabicAlef = (7 << FX_CHARTYPEBITS),
103  FX_CHARTYPE_ArabicSpecial = (8 << FX_CHARTYPEBITS),
104  FX_CHARTYPE_ArabicDistortion = (9 << FX_CHARTYPEBITS),
105  FX_CHARTYPE_ArabicNormal = (10 << FX_CHARTYPEBITS),
106  FX_CHARTYPE_ArabicForm = (11 << FX_CHARTYPEBITS),
107  FX_CHARTYPE_Arabic = (12 << FX_CHARTYPEBITS),
108};
109
110FX_BOOL FX_IsCtrlCode(FX_WCHAR ch);
111FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch,
112                          FX_DWORD dwProps,
113                          FX_BOOL bRTL,
114                          FX_BOOL bVertical);
115class CFX_Char {
116 public:
117  CFX_Char()
118      : m_wCharCode(0),
119        m_nBreakType(0),
120        m_nRotation(0),
121        m_dwCharProps(0),
122        m_dwCharStyles(0),
123        m_iCharWidth(0),
124        m_iHorizontalScale(100),
125        m_iVertialScale(100) {}
126  CFX_Char(FX_WORD wCharCode, FX_DWORD dwCharProps)
127      : m_wCharCode(wCharCode),
128        m_nBreakType(0),
129        m_nRotation(0),
130        m_dwCharProps(dwCharProps),
131        m_dwCharStyles(0),
132        m_iCharWidth(0),
133        m_iHorizontalScale(100),
134        m_iVertialScale(100) {}
135  FX_DWORD GetCharType() const { return m_dwCharProps & FX_CHARTYPEBITSMASK; }
136  FX_WORD m_wCharCode;
137  uint8_t m_nBreakType;
138  int8_t m_nRotation;
139  FX_DWORD m_dwCharProps;
140  FX_DWORD m_dwCharStyles;
141  int32_t m_iCharWidth;
142  int32_t m_iHorizontalScale;
143  int32_t m_iVertialScale;
144};
145typedef CFX_ArrayTemplate<CFX_Char> CFX_CharArray;
146class CFX_TxtChar : public CFX_Char {
147 public:
148  CFX_TxtChar()
149      : CFX_Char(),
150        m_dwStatus(0),
151        m_iBidiClass(0),
152        m_iBidiLevel(0),
153        m_iBidiPos(0),
154        m_iBidiOrder(0),
155        m_pUserData(NULL) {}
156  FX_DWORD m_dwStatus;
157  int16_t m_iBidiClass;
158  int16_t m_iBidiLevel;
159  int16_t m_iBidiPos;
160  int16_t m_iBidiOrder;
161  void* m_pUserData;
162};
163typedef CFX_ArrayTemplate<CFX_TxtChar> CFX_TxtCharArray;
164class CFX_RTFChar : public CFX_Char {
165 public:
166  CFX_RTFChar()
167      : CFX_Char(),
168        m_dwStatus(0),
169        m_iFontSize(0),
170        m_iFontHeight(0),
171        m_iBidiClass(0),
172        m_iBidiLevel(0),
173        m_iBidiPos(0),
174        m_dwLayoutStyles(0),
175        m_dwIdentity(0),
176        m_pUserData(NULL) {}
177  FX_DWORD m_dwStatus;
178  int32_t m_iFontSize;
179  int32_t m_iFontHeight;
180  int16_t m_iBidiClass;
181  int16_t m_iBidiLevel;
182  int16_t m_iBidiPos;
183  int16_t m_iBidiOrder;
184  FX_DWORD m_dwLayoutStyles;
185  FX_DWORD m_dwIdentity;
186  IFX_Unknown* m_pUserData;
187};
188typedef CFX_ArrayTemplate<CFX_RTFChar> CFX_RTFCharArray;
189#endif  // PDF_ENABLE_XFA
190
191#endif  // CORE_INCLUDE_FXCRT_FX_UCD_H_
192