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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_INCLUDE_FXCRT_FX_UCD_H_
#define CORE_INCLUDE_FXCRT_FX_UCD_H_
#include "core/include/fxcrt/fx_basic.h"
#define FX_BIDICLASSBITS 6
#define FX_BIDICLASSBITSMASK (31 << FX_BIDICLASSBITS)
enum FX_BIDICLASS {
FX_BIDICLASS_ON = 0, // Other Neutral
FX_BIDICLASS_L = 1, // Left Letter
FX_BIDICLASS_R = 2, // Right Letter
FX_BIDICLASS_AN = 3, // Arabic Number
FX_BIDICLASS_EN = 4, // European Number
FX_BIDICLASS_AL = 5, // Arabic Letter
FX_BIDICLASS_NSM = 6, // Non-spacing Mark
FX_BIDICLASS_CS = 7, // Common Number Separator
FX_BIDICLASS_ES = 8, // European Separator
FX_BIDICLASS_ET = 9, // European Number Terminator
FX_BIDICLASS_BN = 10, // Boundary Neutral
FX_BIDICLASS_S = 11, // Segment Separator
FX_BIDICLASS_WS = 12, // Whitespace
FX_BIDICLASS_B = 13, // Paragraph Separator
FX_BIDICLASS_RLO = 14, // Right-to-Left Override
FX_BIDICLASS_RLE = 15, // Right-to-Left Embedding
FX_BIDICLASS_LRO = 16, // Left-to-Right Override
FX_BIDICLASS_LRE = 17, // Left-to-Right Embedding
FX_BIDICLASS_PDF = 18, // Pop Directional Format
FX_BIDICLASS_N = FX_BIDICLASS_ON,
};
extern const FX_DWORD kTextLayoutCodeProperties[];
extern const size_t kTextLayoutCodePropertiesSize;
extern const uint16_t kFXTextLayoutVerticalMirror[];
extern const size_t kFXTextLayoutVerticalMirrorSize;
extern const uint16_t kFXTextLayoutBidiMirror[];
extern const size_t kFXTextLayoutBidiMirrorSize;
FX_DWORD FX_GetUnicodeProperties(FX_WCHAR wch);
FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_BOOL bRTL, FX_BOOL bVertical);
#ifdef PDF_ENABLE_XFA
enum FX_CHARBREAKPROP {
FX_CBP_OP = 0,
FX_CBP_CL = 1,
FX_CBP_QU = 2,
FX_CBP_GL = 3,
FX_CBP_NS = 4,
FX_CBP_EX = 5,
FX_CBP_SY = 6,
FX_CBP_IS = 7,
FX_CBP_PR = 8,
FX_CBP_PO = 9,
FX_CBP_NU = 10,
FX_CBP_AL = 11,
FX_CBP_ID = 12,
FX_CBP_IN = 13,
FX_CBP_HY = 14,
FX_CBP_BA = 15,
FX_CBP_BB = 16,
FX_CBP_B2 = 17,
FX_CBP_ZW = 18,
FX_CBP_CM = 19,
FX_CBP_WJ = 20,
FX_CBP_H2 = 21,
FX_CBP_H3 = 22,
FX_CBP_JL = 23,
FX_CBP_JV = 24,
FX_CBP_JT = 25,
FX_CBP_BK = 26,
FX_CBP_CR = 27,
FX_CBP_LF = 28,
FX_CBP_NL = 29,
FX_CBP_SA = 30,
FX_CBP_SG = 31,
FX_CBP_CB = 32,
FX_CBP_XX = 33,
FX_CBP_AI = 34,
FX_CBP_SP = 35,
FX_CBP_TB = 37,
FX_CBP_NONE = 36,
};
#define FX_CHARTYPEBITS 11
#define FX_CHARTYPEBITSMASK (15 << FX_CHARTYPEBITS)
enum FX_CHARTYPE {
FX_CHARTYPE_Unknown = 0,
FX_CHARTYPE_Tab = (1 << FX_CHARTYPEBITS),
FX_CHARTYPE_Space = (2 << FX_CHARTYPEBITS),
FX_CHARTYPE_Control = (3 << FX_CHARTYPEBITS),
FX_CHARTYPE_Combination = (4 << FX_CHARTYPEBITS),
FX_CHARTYPE_Numeric = (5 << FX_CHARTYPEBITS),
FX_CHARTYPE_Normal = (6 << FX_CHARTYPEBITS),
FX_CHARTYPE_ArabicAlef = (7 << FX_CHARTYPEBITS),
FX_CHARTYPE_ArabicSpecial = (8 << FX_CHARTYPEBITS),
FX_CHARTYPE_ArabicDistortion = (9 << FX_CHARTYPEBITS),
FX_CHARTYPE_ArabicNormal = (10 << FX_CHARTYPEBITS),
FX_CHARTYPE_ArabicForm = (11 << FX_CHARTYPEBITS),
FX_CHARTYPE_Arabic = (12 << FX_CHARTYPEBITS),
};
FX_BOOL FX_IsCtrlCode(FX_WCHAR ch);
FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch,
FX_DWORD dwProps,
FX_BOOL bRTL,
FX_BOOL bVertical);
class CFX_Char {
public:
CFX_Char()
: m_wCharCode(0),
m_nBreakType(0),
m_nRotation(0),
m_dwCharProps(0),
m_dwCharStyles(0),
m_iCharWidth(0),
m_iHorizontalScale(100),
m_iVertialScale(100) {}
CFX_Char(FX_WORD wCharCode, FX_DWORD dwCharProps)
: m_wCharCode(wCharCode),
m_nBreakType(0),
m_nRotation(0),
m_dwCharProps(dwCharProps),
m_dwCharStyles(0),
m_iCharWidth(0),
m_iHorizontalScale(100),
m_iVertialScale(100) {}
FX_DWORD GetCharType() const { return m_dwCharProps & FX_CHARTYPEBITSMASK; }
FX_WORD m_wCharCode;
uint8_t m_nBreakType;
int8_t m_nRotation;
FX_DWORD m_dwCharProps;
FX_DWORD m_dwCharStyles;
int32_t m_iCharWidth;
int32_t m_iHorizontalScale;
int32_t m_iVertialScale;
};
typedef CFX_ArrayTemplate<CFX_Char> CFX_CharArray;
class CFX_TxtChar : public CFX_Char {
public:
CFX_TxtChar()
: CFX_Char(),
m_dwStatus(0),
m_iBidiClass(0),
m_iBidiLevel(0),
m_iBidiPos(0),
m_iBidiOrder(0),
m_pUserData(NULL) {}
FX_DWORD m_dwStatus;
int16_t m_iBidiClass;
int16_t m_iBidiLevel;
int16_t m_iBidiPos;
int16_t m_iBidiOrder;
void* m_pUserData;
};
typedef CFX_ArrayTemplate<CFX_TxtChar> CFX_TxtCharArray;
class CFX_RTFChar : public CFX_Char {
public:
CFX_RTFChar()
: CFX_Char(),
m_dwStatus(0),
m_iFontSize(0),
m_iFontHeight(0),
m_iBidiClass(0),
m_iBidiLevel(0),
m_iBidiPos(0),
m_dwLayoutStyles(0),
m_dwIdentity(0),
m_pUserData(NULL) {}
FX_DWORD m_dwStatus;
int32_t m_iFontSize;
int32_t m_iFontHeight;
int16_t m_iBidiClass;
int16_t m_iBidiLevel;
int16_t m_iBidiPos;
int16_t m_iBidiOrder;
FX_DWORD m_dwLayoutStyles;
FX_DWORD m_dwIdentity;
IFX_Unknown* m_pUserData;
};
typedef CFX_ArrayTemplate<CFX_RTFChar> CFX_RTFCharArray;
#endif // PDF_ENABLE_XFA
#endif // CORE_INCLUDE_FXCRT_FX_UCD_H_
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