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_FXCRT_FX_UCD_H_ 8 #define CORE_FXCRT_FX_UCD_H_ 9 10 #include "core/fxcrt/cfx_retain_ptr.h" 11 #include "core/fxcrt/fx_basic.h" 12 13 #define FX_BIDICLASSBITS 6 14 #define FX_BIDICLASSBITSMASK (31 << FX_BIDICLASSBITS) 15 16 enum FX_BIDICLASS { 17 FX_BIDICLASS_ON = 0, // Other Neutral 18 FX_BIDICLASS_L = 1, // Left Letter 19 FX_BIDICLASS_R = 2, // Right Letter 20 FX_BIDICLASS_AN = 3, // Arabic Number 21 FX_BIDICLASS_EN = 4, // European Number 22 FX_BIDICLASS_AL = 5, // Arabic Letter 23 FX_BIDICLASS_NSM = 6, // Non-spacing Mark 24 FX_BIDICLASS_CS = 7, // Common Number Separator 25 FX_BIDICLASS_ES = 8, // European Separator 26 FX_BIDICLASS_ET = 9, // European Number Terminator 27 FX_BIDICLASS_BN = 10, // Boundary Neutral 28 FX_BIDICLASS_S = 11, // Segment Separator 29 FX_BIDICLASS_WS = 12, // Whitespace 30 FX_BIDICLASS_B = 13, // Paragraph Separator 31 FX_BIDICLASS_RLO = 14, // Right-to-Left Override 32 FX_BIDICLASS_RLE = 15, // Right-to-Left Embedding 33 FX_BIDICLASS_LRO = 16, // Left-to-Right Override 34 FX_BIDICLASS_LRE = 17, // Left-to-Right Embedding 35 FX_BIDICLASS_PDF = 18, // Pop Directional Format 36 FX_BIDICLASS_N = FX_BIDICLASS_ON, 37 }; 38 39 extern const uint32_t kTextLayoutCodeProperties[]; 40 extern const size_t kTextLayoutCodePropertiesSize; 41 42 extern const uint16_t kFXTextLayoutVerticalMirror[]; 43 extern const size_t kFXTextLayoutVerticalMirrorSize; 44 45 extern const uint16_t kFXTextLayoutBidiMirror[]; 46 extern const size_t kFXTextLayoutBidiMirrorSize; 47 48 uint32_t FX_GetUnicodeProperties(FX_WCHAR wch); 49 FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, bool bRTL, bool bVertical); 50 51 #ifdef PDF_ENABLE_XFA 52 enum FX_CHARBREAKPROP { 53 FX_CBP_OP = 0, 54 FX_CBP_CL = 1, 55 FX_CBP_QU = 2, 56 FX_CBP_GL = 3, 57 FX_CBP_NS = 4, 58 FX_CBP_EX = 5, 59 FX_CBP_SY = 6, 60 FX_CBP_IS = 7, 61 FX_CBP_PR = 8, 62 FX_CBP_PO = 9, 63 FX_CBP_NU = 10, 64 FX_CBP_AL = 11, 65 FX_CBP_ID = 12, 66 FX_CBP_IN = 13, 67 FX_CBP_HY = 14, 68 FX_CBP_BA = 15, 69 FX_CBP_BB = 16, 70 FX_CBP_B2 = 17, 71 FX_CBP_ZW = 18, 72 FX_CBP_CM = 19, 73 FX_CBP_WJ = 20, 74 FX_CBP_H2 = 21, 75 FX_CBP_H3 = 22, 76 FX_CBP_JL = 23, 77 FX_CBP_JV = 24, 78 FX_CBP_JT = 25, 79 80 FX_CBP_BK = 26, 81 FX_CBP_CR = 27, 82 FX_CBP_LF = 28, 83 FX_CBP_NL = 29, 84 FX_CBP_SA = 30, 85 FX_CBP_SG = 31, 86 FX_CBP_CB = 32, 87 FX_CBP_XX = 33, 88 FX_CBP_AI = 34, 89 FX_CBP_SP = 35, 90 FX_CBP_TB = 37, 91 FX_CBP_NONE = 36, 92 }; 93 94 #define FX_CHARTYPEBITS 11 95 #define FX_CHARTYPEBITSMASK (15 << FX_CHARTYPEBITS) 96 enum FX_CHARTYPE { 97 FX_CHARTYPE_Unknown = 0, 98 FX_CHARTYPE_Tab = (1 << FX_CHARTYPEBITS), 99 FX_CHARTYPE_Space = (2 << FX_CHARTYPEBITS), 100 FX_CHARTYPE_Control = (3 << FX_CHARTYPEBITS), 101 FX_CHARTYPE_Combination = (4 << FX_CHARTYPEBITS), 102 FX_CHARTYPE_Numeric = (5 << FX_CHARTYPEBITS), 103 FX_CHARTYPE_Normal = (6 << FX_CHARTYPEBITS), 104 FX_CHARTYPE_ArabicAlef = (7 << FX_CHARTYPEBITS), 105 FX_CHARTYPE_ArabicSpecial = (8 << FX_CHARTYPEBITS), 106 FX_CHARTYPE_ArabicDistortion = (9 << FX_CHARTYPEBITS), 107 FX_CHARTYPE_ArabicNormal = (10 << FX_CHARTYPEBITS), 108 FX_CHARTYPE_ArabicForm = (11 << FX_CHARTYPEBITS), 109 FX_CHARTYPE_Arabic = (12 << FX_CHARTYPEBITS), 110 }; 111 inline FX_CHARTYPE GetCharTypeFromProp(uint32_t prop) { 112 return static_cast<FX_CHARTYPE>(prop & FX_CHARTYPEBITSMASK); 113 } 114 115 bool FX_IsCtrlCode(FX_WCHAR ch); 116 FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, 117 uint32_t dwProps, 118 bool bRTL, 119 bool bVertical); 120 class CFX_Char { 121 public: 122 CFX_Char() 123 : m_wCharCode(0), 124 m_nBreakType(0), 125 m_dwCharProps(0), 126 m_iCharWidth(0), 127 m_iHorizontalScale(100), 128 m_iVerticalScale(100) {} 129 130 CFX_Char(uint16_t wCharCode, uint32_t dwCharProps) 131 : m_wCharCode(wCharCode), 132 m_nBreakType(0), 133 m_dwCharProps(dwCharProps), 134 m_iCharWidth(0), 135 m_iHorizontalScale(100), 136 m_iVerticalScale(100) {} 137 138 FX_CHARTYPE GetCharType() const { return GetCharTypeFromProp(m_dwCharProps); } 139 140 uint16_t m_wCharCode; 141 uint8_t m_nBreakType; 142 uint32_t m_dwCharProps; 143 int32_t m_iCharWidth; 144 int32_t m_iHorizontalScale; 145 int32_t m_iVerticalScale; 146 }; 147 148 class CFX_TxtChar : public CFX_Char { 149 public: 150 CFX_TxtChar() 151 : m_nRotation(0), 152 m_dwCharStyles(0), 153 m_dwStatus(0), 154 m_iBidiClass(0), 155 m_iBidiLevel(0), 156 m_iBidiPos(0), 157 m_iBidiOrder(0), 158 m_pUserData(nullptr) {} 159 160 int8_t m_nRotation; 161 uint32_t m_dwCharStyles; 162 uint32_t m_dwStatus; 163 int16_t m_iBidiClass; 164 int16_t m_iBidiLevel; 165 int16_t m_iBidiPos; 166 int16_t m_iBidiOrder; 167 void* m_pUserData; 168 }; 169 170 enum class CFX_RTFBreakType { None = 0, Piece, Line, Paragraph, Page }; 171 172 class CFX_RTFChar : public CFX_Char { 173 public: 174 CFX_RTFChar(); 175 CFX_RTFChar(const CFX_RTFChar& other); 176 ~CFX_RTFChar(); 177 178 CFX_RTFBreakType m_dwStatus; 179 int32_t m_iFontSize; 180 int32_t m_iFontHeight; 181 int16_t m_iBidiClass; 182 int16_t m_iBidiLevel; 183 int16_t m_iBidiPos; 184 int16_t m_iBidiOrder; 185 uint32_t m_dwIdentity; 186 CFX_RetainPtr<CFX_Retainable> m_pUserData; 187 }; 188 189 inline CFX_RTFChar::CFX_RTFChar() 190 : m_dwStatus(CFX_RTFBreakType::None), 191 m_iFontSize(0), 192 m_iFontHeight(0), 193 m_iBidiClass(0), 194 m_iBidiLevel(0), 195 m_iBidiPos(0), 196 m_dwIdentity(0), 197 m_pUserData(nullptr) {} 198 199 inline CFX_RTFChar::CFX_RTFChar(const CFX_RTFChar& other) = default; 200 inline CFX_RTFChar::~CFX_RTFChar() = default; 201 202 #endif // PDF_ENABLE_XFA 203 204 #endif // CORE_FXCRT_FX_UCD_H_ 205
