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Diffstat (limited to 'core/fxcrt/fx_ucd.h')
| -rw-r--r-- | core/fxcrt/fx_ucd.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/core/fxcrt/fx_ucd.h b/core/fxcrt/fx_ucd.h new file mode 100644 index 0000000000..23bacca0f6 --- /dev/null +++ b/core/fxcrt/fx_ucd.h @@ -0,0 +1,202 @@ +// 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_FXCRT_FX_UCD_H_ +#define CORE_FXCRT_FX_UCD_H_ + +#include "core/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 uint32_t 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; + +uint32_t 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), +}; +inline FX_CHARTYPE GetCharTypeFromProp(uint32_t prop) { + return static_cast<FX_CHARTYPE>(prop & FX_CHARTYPEBITSMASK); +} + +FX_BOOL FX_IsCtrlCode(FX_WCHAR ch); +FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, + uint32_t 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(uint16_t wCharCode, uint32_t 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_CHARTYPE GetCharType() const { return GetCharTypeFromProp(m_dwCharProps); } + + uint16_t m_wCharCode; + uint8_t m_nBreakType; + int8_t m_nRotation; + uint32_t m_dwCharProps; + uint32_t 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() + : m_dwStatus(0), + m_iBidiClass(0), + m_iBidiLevel(0), + m_iBidiPos(0), + m_iBidiOrder(0), + m_pUserData(nullptr) {} + uint32_t 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_RTFChar(const CFX_RTFChar& other); + + uint32_t 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; + uint32_t m_dwLayoutStyles; + uint32_t m_dwIdentity; + IFX_Retainable* m_pUserData; +}; + +inline CFX_RTFChar::CFX_RTFChar() + : 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(nullptr) {} + +inline CFX_RTFChar::CFX_RTFChar(const CFX_RTFChar& other) = default; + +typedef CFX_ArrayTemplate<CFX_RTFChar> CFX_RTFCharArray; +#endif // PDF_ENABLE_XFA + +#endif // CORE_FXCRT_FX_UCD_H_ |