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| 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 XFA_SRC_FGAS_LAYOUT_FGAS_RTFBREAK_H_ | |
| 8 #define XFA_SRC_FGAS_LAYOUT_FGAS_RTFBREAK_H_ | |
| 9 | |
| 10 #include "core/include/fxcrt/fx_ucd.h" | |
| 11 #include "core/include/fxge/fx_ge.h" | |
| 12 #include "xfa/src/fgas/crt/fgas_memory.h" | |
| 13 #include "xfa/src/fgas/crt/fgas_utils.h" | |
| 14 #include "xfa/src/fgas/layout/fgas_textbreak.h" | |
| 15 #include "xfa/src/fgas/layout/fgas_unicode.h" | |
| 16 | |
| 17 class IFX_Unknown; | |
| 18 class IFX_Font; | |
| 19 | |
| 20 #define FX_RTFBREAKPOLICY_None 0x00 | |
| 21 #define FX_RTFBREAKPOLICY_SpaceBreak 0x01 | |
| 22 #define FX_RTFBREAKPOLICY_NumberBreak 0x02 | |
| 23 #define FX_RTFBREAKPOLICY_InfixBreak 0x04 | |
| 24 #define FX_RTFBREAKPOLICY_TabBreak 0x08 | |
| 25 #define FX_RTFBREAKPOLICY_OrphanPositionedTab 0x10 | |
| 26 #define FX_RTFBREAK_None 0x00 | |
| 27 #define FX_RTFBREAK_PieceBreak 0x01 | |
| 28 #define FX_RTFBREAK_LineBreak 0x02 | |
| 29 #define FX_RTFBREAK_ParagraphBreak 0x03 | |
| 30 #define FX_RTFBREAK_PageBreak 0x04 | |
| 31 #define FX_RTFLAYOUTSTYLE_Pagination 0x01 | |
| 32 #define FX_RTFLAYOUTSTYLE_VerticalLayout 0x02 | |
| 33 #define FX_RTFLAYOUTSTYLE_VerticalChars 0x04 | |
| 34 #define FX_RTFLAYOUTSTYLE_LineDirection 0x08 | |
| 35 #define FX_RTFLAYOUTSTYLE_ExpandTab 0x10 | |
| 36 #define FX_RTFLAYOUTSTYLE_ArabicNumber 0x20 | |
| 37 #define FX_RTFLAYOUTSTYLE_SingleLine 0x40 | |
| 38 #define FX_RTFLAYOUTSTYLE_MBCSCode 0x80 | |
| 39 #define FX_RTFCHARSTYLE_Alignment 0x000F | |
| 40 #define FX_RTFCHARSTYLE_ArabicNumber 0x0010 | |
| 41 #define FX_RTFCHARSTYLE_ArabicShadda 0x0020 | |
| 42 #define FX_RTFCHARSTYLE_OddBidiLevel 0x0040 | |
| 43 #define FX_RTFCHARSTYLE_RTLReadingOrder 0x0080 | |
| 44 #define FX_RTFCHARSTYLE_ArabicContext 0x0300 | |
| 45 #define FX_RTFCHARSTYLE_ArabicIndic 0x0400 | |
| 46 #define FX_RTFCHARSTYLE_ArabicComma 0x0800 | |
| 47 #define FX_RTFLINEALIGNMENT_Left 0 | |
| 48 #define FX_RTFLINEALIGNMENT_Center 1 | |
| 49 #define FX_RTFLINEALIGNMENT_Right 2 | |
| 50 #define FX_RTFLINEALIGNMENT_Justified (1 << 2) | |
| 51 #define FX_RTFLINEALIGNMENT_Distributed (2 << 2) | |
| 52 #define FX_RTFLINEALIGNMENT_JustifiedLeft \ | |
| 53 (FX_RTFLINEALIGNMENT_Left | FX_RTFLINEALIGNMENT_Justified) | |
| 54 #define FX_RTFLINEALIGNMENT_JustifiedCenter \ | |
| 55 (FX_RTFLINEALIGNMENT_Center | FX_RTFLINEALIGNMENT_Justified) | |
| 56 #define FX_RTFLINEALIGNMENT_JustifiedRight \ | |
| 57 (FX_RTFLINEALIGNMENT_Right | FX_RTFLINEALIGNMENT_Justified) | |
| 58 #define FX_RTFLINEALIGNMENT_DistributedLeft \ | |
| 59 (FX_RTFLINEALIGNMENT_Left | FX_RTFLINEALIGNMENT_Distributed) | |
| 60 #define FX_RTFLINEALIGNMENT_DistributedCenter \ | |
| 61 (FX_RTFLINEALIGNMENT_Center | FX_RTFLINEALIGNMENT_Distributed) | |
| 62 #define FX_RTFLINEALIGNMENT_DistributedRight \ | |
| 63 (FX_RTFLINEALIGNMENT_Right | FX_RTFLINEALIGNMENT_Distributed) | |
| 64 #define FX_RTFLINEALIGNMENT_LowerMask 0x03 | |
| 65 #define FX_RTFLINEALIGNMENT_HigherMask 0x0C | |
| 66 | |
| 67 struct FX_RTFTEXTOBJ { | |
| 68 FX_RTFTEXTOBJ() { | |
| 69 pStr = NULL; | |
| 70 pWidths = NULL; | |
| 71 iLength = 0; | |
| 72 pFont = NULL; | |
| 73 fFontSize = 12.0f; | |
| 74 dwLayoutStyles = 0; | |
| 75 iCharRotation = 0; | |
| 76 iBidiLevel = 0; | |
| 77 pRect = NULL; | |
| 78 wLineBreakChar = L'\n'; | |
| 79 iHorizontalScale = 100; | |
| 80 iVerticalScale = 100; | |
| 81 } | |
| 82 | |
| 83 const FX_WCHAR* pStr; | |
| 84 int32_t* pWidths; | |
| 85 int32_t iLength; | |
| 86 IFX_Font* pFont; | |
| 87 FX_FLOAT fFontSize; | |
| 88 FX_DWORD dwLayoutStyles; | |
| 89 int32_t iCharRotation; | |
| 90 int32_t iBidiLevel; | |
| 91 const CFX_RectF* pRect; | |
| 92 FX_WCHAR wLineBreakChar; | |
| 93 int32_t iHorizontalScale; | |
| 94 int32_t iVerticalScale; | |
| 95 }; | |
| 96 | |
| 97 class CFX_RTFPiece : public CFX_Target { | |
| 98 public: | |
| 99 CFX_RTFPiece() | |
| 100 : m_dwStatus(FX_RTFBREAK_PieceBreak), | |
| 101 m_iStartPos(0), | |
| 102 m_iWidth(-1), | |
| 103 m_iStartChar(0), | |
| 104 m_iChars(0), | |
| 105 m_iBidiLevel(0), | |
| 106 m_iBidiPos(0), | |
| 107 m_iFontSize(0), | |
| 108 m_iFontHeight(0), | |
| 109 m_iHorizontalScale(100), | |
| 110 m_iVerticalScale(100), | |
| 111 m_dwLayoutStyles(0), | |
| 112 m_dwIdentity(0), | |
| 113 m_pChars(NULL), | |
| 114 m_pUserData(NULL) {} | |
| 115 ~CFX_RTFPiece() { Reset(); } | |
| 116 void AppendChar(const CFX_RTFChar& tc) { | |
| 117 FXSYS_assert(m_pChars != NULL); | |
| 118 m_pChars->Add(tc); | |
| 119 if (m_iWidth < 0) { | |
| 120 m_iWidth = tc.m_iCharWidth; | |
| 121 } else { | |
| 122 m_iWidth += tc.m_iCharWidth; | |
| 123 } | |
| 124 m_iChars++; | |
| 125 } | |
| 126 int32_t GetEndPos() const { | |
| 127 return m_iWidth < 0 ? m_iStartPos : m_iStartPos + m_iWidth; | |
| 128 } | |
| 129 int32_t GetLength() const { return m_iChars; } | |
| 130 int32_t GetEndChar() const { return m_iStartChar + m_iChars; } | |
| 131 CFX_RTFChar& GetChar(int32_t index) { | |
| 132 FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL); | |
| 133 return *m_pChars->GetDataPtr(m_iStartChar + index); | |
| 134 } | |
| 135 CFX_RTFChar* GetCharPtr(int32_t index) const { | |
| 136 FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL); | |
| 137 return m_pChars->GetDataPtr(m_iStartChar + index); | |
| 138 } | |
| 139 void GetString(FX_WCHAR* pText) const { | |
| 140 FXSYS_assert(pText != NULL); | |
| 141 int32_t iEndChar = m_iStartChar + m_iChars; | |
| 142 CFX_RTFChar* pChar; | |
| 143 for (int32_t i = m_iStartChar; i < iEndChar; i++) { | |
| 144 pChar = m_pChars->GetDataPtr(i); | |
| 145 *pText++ = (FX_WCHAR)pChar->m_wCharCode; | |
| 146 } | |
| 147 } | |
| 148 void GetString(CFX_WideString& wsText) const { | |
| 149 FX_WCHAR* pText = wsText.GetBuffer(m_iChars); | |
| 150 GetString(pText); | |
| 151 wsText.ReleaseBuffer(m_iChars); | |
| 152 } | |
| 153 void GetWidths(int32_t* pWidths) const { | |
| 154 FXSYS_assert(pWidths != NULL); | |
| 155 int32_t iEndChar = m_iStartChar + m_iChars; | |
| 156 CFX_RTFChar* pChar; | |
| 157 for (int32_t i = m_iStartChar; i < iEndChar; i++) { | |
| 158 pChar = m_pChars->GetDataPtr(i); | |
| 159 *pWidths++ = pChar->m_iCharWidth; | |
| 160 } | |
| 161 } | |
| 162 void Reset() { | |
| 163 m_dwStatus = FX_RTFBREAK_PieceBreak; | |
| 164 if (m_iWidth > -1) { | |
| 165 m_iStartPos += m_iWidth; | |
| 166 } | |
| 167 m_iWidth = -1; | |
| 168 m_iStartChar += m_iChars; | |
| 169 m_iChars = 0; | |
| 170 m_iBidiLevel = 0; | |
| 171 m_iBidiPos = 0; | |
| 172 m_iHorizontalScale = 100; | |
| 173 m_iVerticalScale = 100; | |
| 174 } | |
| 175 FX_DWORD m_dwStatus; | |
| 176 int32_t m_iStartPos; | |
| 177 int32_t m_iWidth; | |
| 178 int32_t m_iStartChar; | |
| 179 int32_t m_iChars; | |
| 180 int32_t m_iBidiLevel; | |
| 181 int32_t m_iBidiPos; | |
| 182 int32_t m_iFontSize; | |
| 183 int32_t m_iFontHeight; | |
| 184 int32_t m_iHorizontalScale; | |
| 185 int32_t m_iVerticalScale; | |
| 186 FX_DWORD m_dwLayoutStyles; | |
| 187 FX_DWORD m_dwIdentity; | |
| 188 CFX_RTFCharArray* m_pChars; | |
| 189 IFX_Unknown* m_pUserData; | |
| 190 }; | |
| 191 typedef CFX_BaseArrayTemplate<CFX_RTFPiece> CFX_RTFPieceArray; | |
| 192 | |
| 193 class IFX_RTFBreak { | |
| 194 public: | |
| 195 static IFX_RTFBreak* Create(FX_DWORD dwPolicies); | |
| 196 virtual ~IFX_RTFBreak() {} | |
| 197 virtual void Release() = 0; | |
| 198 virtual void SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) = 0; | |
| 199 virtual void SetLineStartPos(FX_FLOAT fLinePos) = 0; | |
| 200 virtual FX_DWORD GetLayoutStyles() const = 0; | |
| 201 virtual void SetLayoutStyles(FX_DWORD dwLayoutStyles) = 0; | |
| 202 virtual void SetFont(IFX_Font* pFont) = 0; | |
| 203 virtual void SetFontSize(FX_FLOAT fFontSize) = 0; | |
| 204 virtual void SetTabWidth(FX_FLOAT fTabWidth) = 0; | |
| 205 virtual void AddPositionedTab(FX_FLOAT fTabPos) = 0; | |
| 206 virtual void SetPositionedTabs(const CFX_FloatArray& tabs) = 0; | |
| 207 virtual void ClearPositionedTabs() = 0; | |
| 208 virtual void SetDefaultChar(FX_WCHAR wch) = 0; | |
| 209 virtual void SetLineBreakChar(FX_WCHAR wch) = 0; | |
| 210 virtual void SetLineBreakTolerance(FX_FLOAT fTolerance) = 0; | |
| 211 virtual void SetHorizontalScale(int32_t iScale) = 0; | |
| 212 virtual void SetVerticalScale(int32_t iScale) = 0; | |
| 213 virtual void SetCharRotation(int32_t iCharRotation) = 0; | |
| 214 virtual void SetCharSpace(FX_FLOAT fCharSpace) = 0; | |
| 215 virtual void SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) = 0; | |
| 216 virtual void SetReadingOrder(FX_BOOL bRTL = FALSE) = 0; | |
| 217 virtual void SetAlignment(int32_t iAlignment = FX_RTFLINEALIGNMENT_Left) = 0; | |
| 218 virtual void SetUserData(IFX_Unknown* pUserData) = 0; | |
| 219 virtual FX_DWORD AppendChar(FX_WCHAR wch) = 0; | |
| 220 virtual FX_DWORD EndBreak(FX_DWORD dwStatus = FX_RTFBREAK_PieceBreak) = 0; | |
| 221 virtual int32_t CountBreakPieces() const = 0; | |
| 222 virtual const CFX_RTFPiece* GetBreakPiece(int32_t index) const = 0; | |
| 223 virtual void GetLineRect(CFX_RectF& rect) const = 0; | |
| 224 virtual void ClearBreakPieces() = 0; | |
| 225 virtual void Reset() = 0; | |
| 226 virtual int32_t GetDisplayPos( | |
| 227 const FX_RTFTEXTOBJ* pText, | |
| 228 FXTEXT_CHARPOS* pCharPos, | |
| 229 FX_BOOL bCharCode = FALSE, | |
| 230 CFX_WideString* pWSForms = NULL, | |
| 231 FX_AdjustCharDisplayPos pAdjustPos = NULL) const = 0; | |
| 232 virtual int32_t GetCharRects(const FX_RTFTEXTOBJ* pText, | |
| 233 CFX_RectFArray& rtArray, | |
| 234 FX_BOOL bCharBBox = FALSE) const = 0; | |
| 235 }; | |
| 236 | |
| 237 #endif // XFA_SRC_FGAS_LAYOUT_FGAS_RTFBREAK_H_ | |
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Chromium Code Reviews
Issue 1803723002:
Move xfa/src up to xfa/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master