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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 _FX_UNICODE_
#define _FX_UNICODE_
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_BIDICLASSBITS 6
#define FX_BIDICLASSBITSMASK (31 << FX_BIDICLASSBITS)
enum FX_BIDICLASS {
FX_BIDICLASS_ON = 0,
FX_BIDICLASS_L = 1,
FX_BIDICLASS_R = 2,
FX_BIDICLASS_AN = 3,
FX_BIDICLASS_EN = 4,
FX_BIDICLASS_AL = 5,
FX_BIDICLASS_NSM = 6,
FX_BIDICLASS_CS = 7,
FX_BIDICLASS_ES = 8,
FX_BIDICLASS_ET = 9,
FX_BIDICLASS_BN = 10,
FX_BIDICLASS_S = 11,
FX_BIDICLASS_WS = 12,
FX_BIDICLASS_B = 13,
FX_BIDICLASS_RLO = 14,
FX_BIDICLASS_RLE = 15,
FX_BIDICLASS_LRO = 16,
FX_BIDICLASS_LRE = 17,
FX_BIDICLASS_PDF = 18,
FX_BIDICLASS_N = FX_BIDICLASS_ON,
};
#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),
};
typedef struct _FX_CHARPROPERTIES {
union {
struct {
FX_DWORD dwBreakType : 6;
FX_DWORD dwBidiClass : 5;
FX_DWORD dwCharType : 4;
FX_DWORD dwRotation : 1;
FX_DWORD dwCJKSpecial : 1;
FX_DWORD dwVertIndex : 6;
FX_DWORD dwBidiIndex : 9;
};
FX_DWORD dwCharProps;
};
} FX_CHARPROPERTIES;
FX_DWORD FX_GetUnicodeProperties(FX_WCHAR wch);
FX_BOOL FX_IsCtrlCode(FX_WCHAR ch);
FX_BOOL FX_IsRotationCode(FX_WCHAR ch);
FX_BOOL FX_IsCombinationChar(FX_WCHAR wch);
FX_BOOL FX_IsBidiChar(FX_WCHAR wch);
FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_BOOL bRTL, FX_BOOL bVertical);
FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_DWORD dwProps, FX_BOOL bRTL, FX_BOOL bVertical);
#endif
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