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Diffstat (limited to 'core/include/fxcrt/fx_ucd.h')
-rw-r--r-- | core/include/fxcrt/fx_ucd.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/core/include/fxcrt/fx_ucd.h b/core/include/fxcrt/fx_ucd.h new file mode 100644 index 0000000000..447d555a4b --- /dev/null +++ b/core/include/fxcrt/fx_ucd.h @@ -0,0 +1,112 @@ +// 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 |