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) 14 enum 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 37 extern const FX_DWORD kTextLayoutCodeProperties[]; 38 extern const size_t kTextLayoutCodePropertiesSize; 39 40 extern const FX_WCHAR kFXTextLayoutVerticalMirror[]; 41 extern const size_t kFXTextLayoutVerticalMirrorSize; 42 43 extern const FX_WCHAR kFXTextLayoutBidiMirror[]; 44 extern const size_t kFXTextLayoutBidiMirrorSize; 45 46 FX_DWORD FX_GetUnicodeProperties(FX_WCHAR wch); 47 FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_BOOL bRTL, FX_BOOL bVertical); 48 49 #ifdef PDF_ENABLE_XFA 50 enum 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) 94 enum 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 }; 109 110 FX_BOOL FX_IsCtrlCode(FX_WCHAR ch); 111 FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, 112 FX_DWORD dwProps, 113 FX_BOOL bRTL, 114 FX_BOOL bVertical); 115 class 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 }; 145 typedef CFX_ArrayTemplate<CFX_Char> CFX_CharArray; 146 class 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 }; 163 typedef CFX_ArrayTemplate<CFX_TxtChar> CFX_TxtCharArray; 164 class 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 }; 188 typedef CFX_ArrayTemplate<CFX_RTFChar> CFX_RTFCharArray; 189 #endif // PDF_ENABLE_XFA 190 191 #endif // CORE_INCLUDE_FXCRT_FX_UCD_H_ 192
