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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 #include "xfa/src/fgas/layout/fgas_rtfbreak.h" | |
| 8 | |
| 9 #include <algorithm> | |
| 10 | |
| 11 #include "core/include/fxcrt/fx_arb.h" | |
| 12 #include "xfa/src/fgas/layout/fgas_linebreak.h" | |
| 13 #include "xfa/src/fgas/layout/fgas_unicode.h" | |
| 14 | |
| 15 namespace { | |
| 16 | |
| 17 class CFX_RTFLine { | |
| 18 public: | |
| 19 CFX_RTFLine() | |
| 20 : m_LinePieces(16), | |
| 21 m_iStart(0), | |
| 22 m_iWidth(0), | |
| 23 m_iArabicChars(0), | |
| 24 m_iMBCSChars(0) {} | |
| 25 ~CFX_RTFLine() { RemoveAll(); } | |
| 26 int32_t CountChars() const { return m_LineChars.GetSize(); } | |
| 27 CFX_RTFChar& GetChar(int32_t index) { | |
| 28 FXSYS_assert(index > -1 && index < m_LineChars.GetSize()); | |
| 29 return *m_LineChars.GetDataPtr(index); | |
| 30 } | |
| 31 CFX_RTFChar* GetCharPtr(int32_t index) { | |
| 32 FXSYS_assert(index > -1 && index < m_LineChars.GetSize()); | |
| 33 return m_LineChars.GetDataPtr(index); | |
| 34 } | |
| 35 int32_t CountPieces() const { return m_LinePieces.GetSize(); } | |
| 36 CFX_RTFPiece& GetPiece(int32_t index) const { | |
| 37 FXSYS_assert(index > -1 && index < m_LinePieces.GetSize()); | |
| 38 return m_LinePieces.GetAt(index); | |
| 39 } | |
| 40 CFX_RTFPiece* GetPiecePtr(int32_t index) const { | |
| 41 FXSYS_assert(index > -1 && index < m_LinePieces.GetSize()); | |
| 42 return m_LinePieces.GetPtrAt(index); | |
| 43 } | |
| 44 int32_t GetLineEnd() const { return m_iStart + m_iWidth; } | |
| 45 void RemoveAll(FX_BOOL bLeaveMemory = FALSE) { | |
| 46 CFX_RTFChar* pChar; | |
| 47 IFX_Unknown* pUnknown; | |
| 48 int32_t iCount = m_LineChars.GetSize(); | |
| 49 for (int32_t i = 0; i < iCount; i++) { | |
| 50 pChar = m_LineChars.GetDataPtr(i); | |
| 51 if ((pUnknown = pChar->m_pUserData) != NULL) { | |
| 52 pUnknown->Release(); | |
| 53 } | |
| 54 } | |
| 55 m_LineChars.RemoveAll(); | |
| 56 m_LinePieces.RemoveAll(bLeaveMemory); | |
| 57 m_iWidth = 0; | |
| 58 m_iArabicChars = 0; | |
| 59 m_iMBCSChars = 0; | |
| 60 } | |
| 61 CFX_RTFCharArray m_LineChars; | |
| 62 CFX_RTFPieceArray m_LinePieces; | |
| 63 int32_t m_iStart; | |
| 64 int32_t m_iWidth; | |
| 65 int32_t m_iArabicChars; | |
| 66 int32_t m_iMBCSChars; | |
| 67 }; | |
| 68 | |
| 69 class CFX_RTFBreak : public IFX_RTFBreak { | |
| 70 public: | |
| 71 CFX_RTFBreak(FX_DWORD dwPolicies); | |
| 72 ~CFX_RTFBreak(); | |
| 73 void Release() override { delete this; } | |
| 74 void SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) override; | |
| 75 void SetLineStartPos(FX_FLOAT fLinePos) override; | |
| 76 FX_DWORD GetLayoutStyles() const override { return m_dwLayoutStyles; } | |
| 77 void SetLayoutStyles(FX_DWORD dwLayoutStyles) override; | |
| 78 void SetFont(IFX_Font* pFont) override; | |
| 79 void SetFontSize(FX_FLOAT fFontSize) override; | |
| 80 void SetTabWidth(FX_FLOAT fTabWidth) override; | |
| 81 void AddPositionedTab(FX_FLOAT fTabPos) override; | |
| 82 void SetPositionedTabs(const CFX_FloatArray& tabs) override; | |
| 83 void ClearPositionedTabs() override; | |
| 84 void SetDefaultChar(FX_WCHAR wch) override; | |
| 85 void SetLineBreakChar(FX_WCHAR wch) override; | |
| 86 void SetLineBreakTolerance(FX_FLOAT fTolerance) override; | |
| 87 void SetHorizontalScale(int32_t iScale) override; | |
| 88 void SetVerticalScale(int32_t iScale) override; | |
| 89 void SetCharRotation(int32_t iCharRotation) override; | |
| 90 void SetCharSpace(FX_FLOAT fCharSpace) override; | |
| 91 void SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) override; | |
| 92 void SetReadingOrder(FX_BOOL bRTL = FALSE) override; | |
| 93 void SetAlignment(int32_t iAlignment = FX_RTFLINEALIGNMENT_Left) override; | |
| 94 void SetUserData(IFX_Unknown* pUserData) override; | |
| 95 FX_DWORD AppendChar(FX_WCHAR wch) override; | |
| 96 FX_DWORD EndBreak(FX_DWORD dwStatus = FX_RTFBREAK_PieceBreak) override; | |
| 97 int32_t CountBreakPieces() const override; | |
| 98 const CFX_RTFPiece* GetBreakPiece(int32_t index) const override; | |
| 99 void GetLineRect(CFX_RectF& rect) const override; | |
| 100 void ClearBreakPieces() override; | |
| 101 void Reset() override; | |
| 102 int32_t GetDisplayPos( | |
| 103 const FX_RTFTEXTOBJ* pText, | |
| 104 FXTEXT_CHARPOS* pCharPos, | |
| 105 FX_BOOL bCharCode = FALSE, | |
| 106 CFX_WideString* pWSForms = NULL, | |
| 107 FX_AdjustCharDisplayPos pAdjustPos = NULL) const override; | |
| 108 int32_t GetCharRects(const FX_RTFTEXTOBJ* pText, | |
| 109 CFX_RectFArray& rtArray, | |
| 110 FX_BOOL bCharBBox = FALSE) const override; | |
| 111 FX_DWORD AppendChar_CharCode(FX_WCHAR wch); | |
| 112 FX_DWORD AppendChar_Combination(CFX_RTFChar* pCurChar, int32_t iRotation); | |
| 113 FX_DWORD AppendChar_Tab(CFX_RTFChar* pCurChar, int32_t iRotation); | |
| 114 FX_DWORD AppendChar_Control(CFX_RTFChar* pCurChar, int32_t iRotation); | |
| 115 FX_DWORD AppendChar_Arabic(CFX_RTFChar* pCurChar, int32_t iRotation); | |
| 116 FX_DWORD AppendChar_Others(CFX_RTFChar* pCurChar, int32_t iRotation); | |
| 117 | |
| 118 protected: | |
| 119 FX_DWORD m_dwPolicies; | |
| 120 IFX_ArabicChar* m_pArabicChar; | |
| 121 int32_t m_iBoundaryStart; | |
| 122 int32_t m_iBoundaryEnd; | |
| 123 FX_DWORD m_dwLayoutStyles; | |
| 124 FX_BOOL m_bPagination; | |
| 125 FX_BOOL m_bVertical; | |
| 126 FX_BOOL m_bSingleLine; | |
| 127 FX_BOOL m_bCharCode; | |
| 128 IFX_Font* m_pFont; | |
| 129 int32_t m_iFontHeight; | |
| 130 int32_t m_iFontSize; | |
| 131 int32_t m_iTabWidth; | |
| 132 CFX_Int32Array m_PositionedTabs; | |
| 133 FX_BOOL m_bOrphanLine; | |
| 134 FX_WCHAR m_wDefChar; | |
| 135 int32_t m_iDefChar; | |
| 136 FX_WCHAR m_wLineBreakChar; | |
| 137 int32_t m_iHorizontalScale; | |
| 138 int32_t m_iVerticalScale; | |
| 139 int32_t m_iLineRotation; | |
| 140 int32_t m_iCharRotation; | |
| 141 int32_t m_iRotation; | |
| 142 int32_t m_iCharSpace; | |
| 143 FX_BOOL m_bWordSpace; | |
| 144 int32_t m_iWordSpace; | |
| 145 FX_BOOL m_bRTL; | |
| 146 int32_t m_iAlignment; | |
| 147 IFX_Unknown* m_pUserData; | |
| 148 FX_DWORD m_dwCharType; | |
| 149 FX_DWORD m_dwIdentity; | |
| 150 CFX_RTFLine m_RTFLine1; | |
| 151 CFX_RTFLine m_RTFLine2; | |
| 152 CFX_RTFLine* m_pCurLine; | |
| 153 int32_t m_iReady; | |
| 154 int32_t m_iTolerance; | |
| 155 int32_t GetLineRotation(FX_DWORD dwStyles) const; | |
| 156 void SetBreakStatus(); | |
| 157 CFX_RTFChar* GetLastChar(int32_t index) const; | |
| 158 CFX_RTFLine* GetRTFLine(FX_BOOL bReady) const; | |
| 159 CFX_RTFPieceArray* GetRTFPieces(FX_BOOL bReady) const; | |
| 160 FX_DWORD GetUnifiedCharType(FX_DWORD dwType) const; | |
| 161 int32_t GetLastPositionedTab() const; | |
| 162 FX_BOOL GetPositionedTab(int32_t& iTabPos) const; | |
| 163 int32_t GetBreakPos(CFX_RTFCharArray& tca, | |
| 164 int32_t& iEndPos, | |
| 165 FX_BOOL bAllChars = FALSE, | |
| 166 FX_BOOL bOnlyBrk = FALSE); | |
| 167 void SplitTextLine(CFX_RTFLine* pCurLine, | |
| 168 CFX_RTFLine* pNextLine, | |
| 169 FX_BOOL bAllChars = FALSE); | |
| 170 FX_BOOL EndBreak_SplitLine(CFX_RTFLine* pNextLine, | |
| 171 FX_BOOL bAllChars, | |
| 172 FX_DWORD dwStatus); | |
| 173 void EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus); | |
| 174 void EndBreak_Alignment(CFX_TPOArray& tpos, | |
| 175 FX_BOOL bAllChars, | |
| 176 FX_DWORD dwStatus); | |
| 177 }; | |
| 178 | |
| 179 } // namespace | |
| 180 | |
| 181 IFX_RTFBreak* IFX_RTFBreak::Create(FX_DWORD dwPolicies) { | |
| 182 return new CFX_RTFBreak(dwPolicies); | |
| 183 } | |
| 184 CFX_RTFBreak::CFX_RTFBreak(FX_DWORD dwPolicies) | |
| 185 : m_dwPolicies(dwPolicies), | |
| 186 m_pArabicChar(NULL), | |
| 187 m_iBoundaryStart(0), | |
| 188 m_iBoundaryEnd(2000000), | |
| 189 m_dwLayoutStyles(0), | |
| 190 m_bPagination(FALSE), | |
| 191 m_bVertical(FALSE), | |
| 192 m_bSingleLine(FALSE), | |
| 193 m_bCharCode(FALSE), | |
| 194 m_pFont(NULL), | |
| 195 m_iFontHeight(240), | |
| 196 m_iFontSize(240), | |
| 197 m_iTabWidth(720000), | |
| 198 m_PositionedTabs(), | |
| 199 m_bOrphanLine(FALSE), | |
| 200 m_wDefChar(0xFEFF), | |
| 201 m_iDefChar(0), | |
| 202 m_wLineBreakChar(L'\n'), | |
| 203 m_iHorizontalScale(100), | |
| 204 m_iVerticalScale(100), | |
| 205 m_iLineRotation(0), | |
| 206 m_iCharRotation(0), | |
| 207 m_iRotation(0), | |
| 208 m_iCharSpace(0), | |
| 209 m_bWordSpace(FALSE), | |
| 210 m_iWordSpace(0), | |
| 211 m_bRTL(FALSE), | |
| 212 m_iAlignment(FX_RTFLINEALIGNMENT_Left), | |
| 213 m_pUserData(NULL), | |
| 214 m_dwCharType(0), | |
| 215 m_dwIdentity(0), | |
| 216 m_RTFLine1(), | |
| 217 m_RTFLine2(), | |
| 218 m_pCurLine(NULL), | |
| 219 m_iReady(0), | |
| 220 m_iTolerance(0) { | |
| 221 m_pArabicChar = IFX_ArabicChar::Create(); | |
| 222 m_pCurLine = &m_RTFLine1; | |
| 223 } | |
| 224 CFX_RTFBreak::~CFX_RTFBreak() { | |
| 225 Reset(); | |
| 226 m_PositionedTabs.RemoveAll(); | |
| 227 m_pArabicChar->Release(); | |
| 228 if (m_pUserData != NULL) { | |
| 229 m_pUserData->Release(); | |
| 230 } | |
| 231 } | |
| 232 void CFX_RTFBreak::SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) { | |
| 233 if (fLineStart > fLineEnd) | |
| 234 return; | |
| 235 m_iBoundaryStart = FXSYS_round(fLineStart * 20000.0f); | |
| 236 m_iBoundaryEnd = FXSYS_round(fLineEnd * 20000.0f); | |
| 237 m_pCurLine->m_iStart = std::min(m_pCurLine->m_iStart, m_iBoundaryEnd); | |
| 238 m_pCurLine->m_iStart = std::max(m_pCurLine->m_iStart, m_iBoundaryStart); | |
| 239 } | |
| 240 void CFX_RTFBreak::SetLineStartPos(FX_FLOAT fLinePos) { | |
| 241 int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f); | |
| 242 iLinePos = std::min(iLinePos, m_iBoundaryEnd); | |
| 243 iLinePos = std::max(iLinePos, m_iBoundaryStart); | |
| 244 m_pCurLine->m_iStart = iLinePos; | |
| 245 } | |
| 246 void CFX_RTFBreak::SetLayoutStyles(FX_DWORD dwLayoutStyles) { | |
| 247 if (m_dwLayoutStyles == dwLayoutStyles) { | |
| 248 return; | |
| 249 } | |
| 250 SetBreakStatus(); | |
| 251 m_dwLayoutStyles = dwLayoutStyles; | |
| 252 m_bPagination = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_Pagination) != 0; | |
| 253 m_bVertical = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0; | |
| 254 m_bSingleLine = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0; | |
| 255 m_bCharCode = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0; | |
| 256 m_iLineRotation = GetLineRotation(m_dwLayoutStyles); | |
| 257 m_iRotation = m_iLineRotation + m_iCharRotation; | |
| 258 m_iRotation %= 4; | |
| 259 } | |
| 260 void CFX_RTFBreak::SetFont(IFX_Font* pFont) { | |
| 261 if (pFont == NULL) { | |
| 262 return; | |
| 263 } | |
| 264 if (m_pFont == pFont) { | |
| 265 return; | |
| 266 } | |
| 267 SetBreakStatus(); | |
| 268 m_pFont = pFont; | |
| 269 m_iDefChar = 0; | |
| 270 if (m_pFont != NULL) { | |
| 271 m_iFontHeight = m_iFontSize; | |
| 272 if (m_wDefChar != 0xFEFF) { | |
| 273 m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); | |
| 274 m_iDefChar *= m_iFontSize; | |
| 275 } | |
| 276 } | |
| 277 } | |
| 278 void CFX_RTFBreak::SetFontSize(FX_FLOAT fFontSize) { | |
| 279 int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); | |
| 280 if (m_iFontSize == iFontSize) { | |
| 281 return; | |
| 282 } | |
| 283 SetBreakStatus(); | |
| 284 m_iFontSize = iFontSize; | |
| 285 m_iDefChar = 0; | |
| 286 if (m_pFont != NULL) { | |
| 287 m_iFontHeight = m_iFontSize; | |
| 288 if (m_wDefChar != 0xFEFF) { | |
| 289 m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); | |
| 290 m_iDefChar *= m_iFontSize; | |
| 291 } | |
| 292 } | |
| 293 } | |
| 294 void CFX_RTFBreak::SetTabWidth(FX_FLOAT fTabWidth) { | |
| 295 m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f); | |
| 296 } | |
| 297 void CFX_RTFBreak::AddPositionedTab(FX_FLOAT fTabPos) { | |
| 298 int32_t iLineEnd = m_iBoundaryEnd; | |
| 299 int32_t iTabPos = FXSYS_round(fTabPos * 20000.0f) + m_iBoundaryStart; | |
| 300 if (iTabPos > iLineEnd) { | |
| 301 iTabPos = iLineEnd; | |
| 302 } | |
| 303 if (m_PositionedTabs.Find(iTabPos, 0) > -1) { | |
| 304 return; | |
| 305 } | |
| 306 int32_t iCount = m_PositionedTabs.GetSize(); | |
| 307 int32_t iFind = 0; | |
| 308 for (; iFind < iCount; iFind++) { | |
| 309 if (m_PositionedTabs[iFind] > iTabPos) { | |
| 310 break; | |
| 311 } | |
| 312 } | |
| 313 m_PositionedTabs.InsertAt(iFind, iTabPos); | |
| 314 if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) { | |
| 315 m_bOrphanLine = GetLastPositionedTab() >= iLineEnd; | |
| 316 } else { | |
| 317 m_bOrphanLine = FALSE; | |
| 318 } | |
| 319 } | |
| 320 void CFX_RTFBreak::SetPositionedTabs(const CFX_FloatArray& tabs) { | |
| 321 m_PositionedTabs.RemoveAll(); | |
| 322 int32_t iCount = tabs.GetSize(); | |
| 323 m_PositionedTabs.SetSize(iCount); | |
| 324 int32_t iLineEnd = m_iBoundaryEnd; | |
| 325 int32_t iTabPos; | |
| 326 for (int32_t i = 0; i < iCount; i++) { | |
| 327 iTabPos = FXSYS_round(tabs[i] * 20000.0f) + m_iBoundaryStart; | |
| 328 if (iTabPos > iLineEnd) { | |
| 329 iTabPos = iLineEnd; | |
| 330 } | |
| 331 m_PositionedTabs[i] = iTabPos; | |
| 332 } | |
| 333 if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) { | |
| 334 m_bOrphanLine = GetLastPositionedTab() >= iLineEnd; | |
| 335 } else { | |
| 336 m_bOrphanLine = FALSE; | |
| 337 } | |
| 338 } | |
| 339 void CFX_RTFBreak::ClearPositionedTabs() { | |
| 340 m_PositionedTabs.RemoveAll(); | |
| 341 m_bOrphanLine = FALSE; | |
| 342 } | |
| 343 void CFX_RTFBreak::SetDefaultChar(FX_WCHAR wch) { | |
| 344 m_wDefChar = wch; | |
| 345 m_iDefChar = 0; | |
| 346 if (m_wDefChar != 0xFEFF && m_pFont != NULL) { | |
| 347 m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); | |
| 348 if (m_iDefChar < 0) { | |
| 349 m_iDefChar = 0; | |
| 350 } else { | |
| 351 m_iDefChar *= m_iFontSize; | |
| 352 } | |
| 353 } | |
| 354 } | |
| 355 void CFX_RTFBreak::SetLineBreakChar(FX_WCHAR wch) { | |
| 356 if (wch != L'\r' && wch != L'\n') { | |
| 357 return; | |
| 358 } | |
| 359 m_wLineBreakChar = wch; | |
| 360 } | |
| 361 void CFX_RTFBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) { | |
| 362 m_iTolerance = FXSYS_round(fTolerance * 20000.0f); | |
| 363 } | |
| 364 void CFX_RTFBreak::SetHorizontalScale(int32_t iScale) { | |
| 365 if (iScale < 0) { | |
| 366 iScale = 0; | |
| 367 } | |
| 368 if (m_iHorizontalScale == iScale) { | |
| 369 return; | |
| 370 } | |
| 371 SetBreakStatus(); | |
| 372 m_iHorizontalScale = iScale; | |
| 373 } | |
| 374 void CFX_RTFBreak::SetVerticalScale(int32_t iScale) { | |
| 375 if (iScale < 0) { | |
| 376 iScale = 0; | |
| 377 } | |
| 378 if (m_iVerticalScale == iScale) { | |
| 379 return; | |
| 380 } | |
| 381 SetBreakStatus(); | |
| 382 m_iVerticalScale = iScale; | |
| 383 } | |
| 384 void CFX_RTFBreak::SetCharRotation(int32_t iCharRotation) { | |
| 385 if (iCharRotation < 0) { | |
| 386 iCharRotation += (-iCharRotation / 4 + 1) * 4; | |
| 387 } else if (iCharRotation > 3) { | |
| 388 iCharRotation -= (iCharRotation / 4) * 4; | |
| 389 } | |
| 390 if (m_iCharRotation == iCharRotation) { | |
| 391 return; | |
| 392 } | |
| 393 SetBreakStatus(); | |
| 394 m_iCharRotation = iCharRotation; | |
| 395 m_iRotation = m_iLineRotation + m_iCharRotation; | |
| 396 m_iRotation %= 4; | |
| 397 } | |
| 398 void CFX_RTFBreak::SetCharSpace(FX_FLOAT fCharSpace) { | |
| 399 m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f); | |
| 400 } | |
| 401 void CFX_RTFBreak::SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) { | |
| 402 m_bWordSpace = !bDefault; | |
| 403 m_iWordSpace = FXSYS_round(fWordSpace * 20000.0f); | |
| 404 } | |
| 405 void CFX_RTFBreak::SetReadingOrder(FX_BOOL bRTL) { | |
| 406 m_bRTL = bRTL; | |
| 407 } | |
| 408 void CFX_RTFBreak::SetAlignment(int32_t iAlignment) { | |
| 409 FXSYS_assert(iAlignment >= FX_RTFLINEALIGNMENT_Left && | |
| 410 iAlignment <= FX_RTFLINEALIGNMENT_Distributed); | |
| 411 m_iAlignment = iAlignment; | |
| 412 } | |
| 413 void CFX_RTFBreak::SetUserData(IFX_Unknown* pUserData) { | |
| 414 if (m_pUserData == pUserData) { | |
| 415 return; | |
| 416 } | |
| 417 SetBreakStatus(); | |
| 418 if (m_pUserData != NULL) { | |
| 419 m_pUserData->Release(); | |
| 420 } | |
| 421 m_pUserData = pUserData; | |
| 422 if (m_pUserData != NULL) { | |
| 423 m_pUserData->AddRef(); | |
| 424 } | |
| 425 } | |
| 426 static const int32_t gs_FX_RTFLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2}; | |
| 427 int32_t CFX_RTFBreak::GetLineRotation(FX_DWORD dwStyles) const { | |
| 428 return gs_FX_RTFLineRotations[(dwStyles & 0x0E) >> 1]; | |
| 429 } | |
| 430 void CFX_RTFBreak::SetBreakStatus() { | |
| 431 m_dwIdentity++; | |
| 432 int32_t iCount = m_pCurLine->CountChars(); | |
| 433 if (iCount < 1) { | |
| 434 return; | |
| 435 } | |
| 436 CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1); | |
| 437 if (tc.m_dwStatus == 0) { | |
| 438 tc.m_dwStatus = FX_RTFBREAK_PieceBreak; | |
| 439 } | |
| 440 } | |
| 441 CFX_RTFChar* CFX_RTFBreak::GetLastChar(int32_t index) const { | |
| 442 CFX_RTFCharArray& tca = m_pCurLine->m_LineChars; | |
| 443 int32_t iCount = tca.GetSize(); | |
| 444 if (index < 0 || index >= iCount) { | |
| 445 return NULL; | |
| 446 } | |
| 447 CFX_RTFChar* pTC; | |
| 448 int32_t iStart = iCount - 1; | |
| 449 while (iStart > -1) { | |
| 450 pTC = tca.GetDataPtr(iStart--); | |
| 451 if (pTC->m_iCharWidth >= 0 || | |
| 452 pTC->GetCharType() != FX_CHARTYPE_Combination) { | |
| 453 if (--index < 0) { | |
| 454 return pTC; | |
| 455 } | |
| 456 } | |
| 457 } | |
| 458 return NULL; | |
| 459 } | |
| 460 CFX_RTFLine* CFX_RTFBreak::GetRTFLine(FX_BOOL bReady) const { | |
| 461 if (bReady) { | |
| 462 if (m_iReady == 1) { | |
| 463 return (CFX_RTFLine*)&m_RTFLine1; | |
| 464 } else if (m_iReady == 2) { | |
| 465 return (CFX_RTFLine*)&m_RTFLine2; | |
| 466 } else { | |
| 467 return NULL; | |
| 468 } | |
| 469 } | |
| 470 FXSYS_assert(m_pCurLine != NULL); | |
| 471 return m_pCurLine; | |
| 472 } | |
| 473 CFX_RTFPieceArray* CFX_RTFBreak::GetRTFPieces(FX_BOOL bReady) const { | |
| 474 CFX_RTFLine* pRTFLine = GetRTFLine(bReady); | |
| 475 if (pRTFLine == NULL) { | |
| 476 return NULL; | |
| 477 } | |
| 478 return &pRTFLine->m_LinePieces; | |
| 479 } | |
| 480 inline FX_DWORD CFX_RTFBreak::GetUnifiedCharType(FX_DWORD dwType) const { | |
| 481 return dwType >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : dwType; | |
| 482 } | |
| 483 int32_t CFX_RTFBreak::GetLastPositionedTab() const { | |
| 484 int32_t iCount = m_PositionedTabs.GetSize(); | |
| 485 if (iCount < 1) { | |
| 486 return m_iBoundaryStart; | |
| 487 } | |
| 488 return m_PositionedTabs[iCount - 1]; | |
| 489 } | |
| 490 FX_BOOL CFX_RTFBreak::GetPositionedTab(int32_t& iTabPos) const { | |
| 491 int32_t iCount = m_PositionedTabs.GetSize(); | |
| 492 for (int32_t i = 0; i < iCount; i++) { | |
| 493 if (m_PositionedTabs[i] > iTabPos) { | |
| 494 iTabPos = m_PositionedTabs[i]; | |
| 495 return TRUE; | |
| 496 } | |
| 497 } | |
| 498 return FALSE; | |
| 499 } | |
| 500 typedef FX_DWORD (CFX_RTFBreak::*FX_RTFBreak_LPFAppendChar)( | |
| 501 CFX_RTFChar* pCurChar, | |
| 502 int32_t iRotation); | |
| 503 static const FX_RTFBreak_LPFAppendChar g_FX_RTFBreak_lpfAppendChar[16] = { | |
| 504 &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Tab, | |
| 505 &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Control, | |
| 506 &CFX_RTFBreak::AppendChar_Combination, &CFX_RTFBreak::AppendChar_Others, | |
| 507 &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Arabic, | |
| 508 &CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Arabic, | |
| 509 &CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Arabic, | |
| 510 &CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Others, | |
| 511 &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Others, | |
| 512 }; | |
| 513 FX_DWORD CFX_RTFBreak::AppendChar(FX_WCHAR wch) { | |
| 514 FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL && m_pArabicChar != NULL); | |
| 515 if (m_bCharCode) { | |
| 516 return AppendChar_CharCode(wch); | |
| 517 } | |
| 518 FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch]; | |
| 519 FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK); | |
| 520 CFX_RTFCharArray& tca = m_pCurLine->m_LineChars; | |
| 521 CFX_RTFChar* pCurChar = tca.AddSpace(); | |
| 522 pCurChar->m_dwStatus = 0; | |
| 523 pCurChar->m_wCharCode = wch; | |
| 524 pCurChar->m_dwCharProps = dwProps; | |
| 525 pCurChar->m_dwCharStyles = 0; | |
| 526 pCurChar->m_dwLayoutStyles = 0; | |
| 527 pCurChar->m_iFontSize = m_iFontSize; | |
| 528 pCurChar->m_iFontHeight = m_iFontHeight; | |
| 529 pCurChar->m_iHorizontalScale = m_iHorizontalScale; | |
| 530 pCurChar->m_iVertialScale = m_iVerticalScale; | |
| 531 pCurChar->m_nRotation = m_iCharRotation; | |
| 532 pCurChar->m_iCharWidth = 0; | |
| 533 pCurChar->m_dwIdentity = m_dwIdentity; | |
| 534 if (m_pUserData != NULL) { | |
| 535 m_pUserData->AddRef(); | |
| 536 } | |
| 537 pCurChar->m_pUserData = m_pUserData; | |
| 538 FX_DWORD dwRet1 = FX_RTFBREAK_None; | |
| 539 if (dwType != FX_CHARTYPE_Combination && | |
| 540 GetUnifiedCharType(m_dwCharType) != GetUnifiedCharType(dwType)) { | |
| 541 if (!m_bSingleLine && !m_bOrphanLine && m_dwCharType > 0 && | |
| 542 m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { | |
| 543 if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) { | |
| 544 dwRet1 = EndBreak(FX_RTFBREAK_LineBreak); | |
| 545 int32_t iCount = m_pCurLine->CountChars(); | |
| 546 if (iCount > 0) { | |
| 547 pCurChar = m_pCurLine->m_LineChars.GetDataPtr(iCount - 1); | |
| 548 } | |
| 549 } | |
| 550 } | |
| 551 } | |
| 552 int32_t iRotation = m_iRotation; | |
| 553 if (m_bVertical && (dwProps & 0x8000) != 0) { | |
| 554 iRotation = (iRotation + 1) % 4; | |
| 555 } | |
| 556 FX_DWORD dwRet2 = | |
| 557 (this->*g_FX_RTFBreak_lpfAppendChar[dwType >> FX_CHARTYPEBITS])( | |
| 558 pCurChar, iRotation); | |
| 559 m_dwCharType = dwType; | |
| 560 return std::max(dwRet1, dwRet2); | |
| 561 } | |
| 562 FX_DWORD CFX_RTFBreak::AppendChar_CharCode(FX_WCHAR wch) { | |
| 563 FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL); | |
| 564 FXSYS_assert(m_bCharCode); | |
| 565 m_pCurLine->m_iMBCSChars++; | |
| 566 CFX_RTFCharArray& tca = m_pCurLine->m_LineChars; | |
| 567 CFX_RTFChar* pCurChar = tca.AddSpace(); | |
| 568 pCurChar->m_dwStatus = 0; | |
| 569 pCurChar->m_wCharCode = wch; | |
| 570 pCurChar->m_dwCharProps = 0; | |
| 571 pCurChar->m_dwCharStyles = 0; | |
| 572 pCurChar->m_dwLayoutStyles = m_dwLayoutStyles; | |
| 573 pCurChar->m_iFontSize = m_iFontSize; | |
| 574 pCurChar->m_iFontHeight = m_iFontHeight; | |
| 575 pCurChar->m_iHorizontalScale = m_iHorizontalScale; | |
| 576 pCurChar->m_iVertialScale = m_iVerticalScale; | |
| 577 pCurChar->m_nRotation = m_iCharRotation; | |
| 578 pCurChar->m_iCharWidth = 0; | |
| 579 pCurChar->m_dwIdentity = m_dwIdentity; | |
| 580 if (m_pUserData != NULL) { | |
| 581 m_pUserData->AddRef(); | |
| 582 } | |
| 583 pCurChar->m_pUserData = m_pUserData; | |
| 584 int32_t iCharWidth = 0; | |
| 585 if (m_bVertical != FX_IsOdd(m_iRotation)) { | |
| 586 iCharWidth = 1000; | |
| 587 } else { | |
| 588 if (!m_pFont->GetCharWidth(wch, iCharWidth, TRUE)) { | |
| 589 iCharWidth = m_iDefChar; | |
| 590 } | |
| 591 } | |
| 592 iCharWidth *= m_iFontSize; | |
| 593 iCharWidth = iCharWidth * m_iHorizontalScale / 100; | |
| 594 iCharWidth += m_iCharSpace; | |
| 595 pCurChar->m_iCharWidth = iCharWidth; | |
| 596 m_pCurLine->m_iWidth += iCharWidth; | |
| 597 m_dwCharType = 0; | |
| 598 if (!m_bSingleLine && | |
| 599 m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { | |
| 600 return EndBreak(FX_RTFBREAK_LineBreak); | |
| 601 } | |
| 602 return FX_RTFBREAK_None; | |
| 603 } | |
| 604 FX_DWORD CFX_RTFBreak::AppendChar_Combination(CFX_RTFChar* pCurChar, | |
| 605 int32_t iRotation) { | |
| 606 int32_t iCharWidth = 0; | |
| 607 if (m_bVertical != FX_IsOdd(iRotation)) { | |
| 608 iCharWidth = 1000; | |
| 609 } else { | |
| 610 if (!m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth, | |
| 611 m_bCharCode)) { | |
| 612 iCharWidth = 0; | |
| 613 } | |
| 614 } | |
| 615 iCharWidth *= m_iFontSize; | |
| 616 iCharWidth = iCharWidth * m_iHorizontalScale / 100; | |
| 617 CFX_RTFChar* pLastChar = GetLastChar(0); | |
| 618 if (pLastChar != NULL && pLastChar->GetCharType() > FX_CHARTYPE_Combination) { | |
| 619 iCharWidth = -iCharWidth; | |
| 620 } else { | |
| 621 m_dwCharType = FX_CHARTYPE_Combination; | |
| 622 } | |
| 623 pCurChar->m_iCharWidth = iCharWidth; | |
| 624 if (iCharWidth > 0) { | |
| 625 m_pCurLine->m_iWidth += iCharWidth; | |
| 626 } | |
| 627 return FX_RTFBREAK_None; | |
| 628 } | |
| 629 FX_DWORD CFX_RTFBreak::AppendChar_Tab(CFX_RTFChar* pCurChar, | |
| 630 int32_t iRotation) { | |
| 631 if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ExpandTab) { | |
| 632 FX_BOOL bBreak = FALSE; | |
| 633 if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) { | |
| 634 bBreak = (m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance); | |
| 635 } | |
| 636 int32_t& iLineWidth = m_pCurLine->m_iWidth; | |
| 637 int32_t iCharWidth = iLineWidth; | |
| 638 if (GetPositionedTab(iCharWidth)) { | |
| 639 iCharWidth -= iLineWidth; | |
| 640 } else { | |
| 641 iCharWidth = m_iTabWidth * (iLineWidth / m_iTabWidth + 1) - iLineWidth; | |
| 642 } | |
| 643 pCurChar->m_iCharWidth = iCharWidth; | |
| 644 iLineWidth += iCharWidth; | |
| 645 if (!m_bSingleLine && !m_bOrphanLine && bBreak) { | |
| 646 return EndBreak(FX_RTFBREAK_LineBreak); | |
| 647 } | |
| 648 } | |
| 649 return FX_RTFBREAK_None; | |
| 650 } | |
| 651 FX_DWORD CFX_RTFBreak::AppendChar_Control(CFX_RTFChar* pCurChar, | |
| 652 int32_t iRotation) { | |
| 653 FX_DWORD dwRet2 = FX_RTFBREAK_None; | |
| 654 if (!m_bSingleLine) { | |
| 655 switch (pCurChar->m_wCharCode) { | |
| 656 case L'\v': | |
| 657 case 0x2028: | |
| 658 dwRet2 = FX_RTFBREAK_LineBreak; | |
| 659 break; | |
| 660 case L'\f': | |
| 661 dwRet2 = FX_RTFBREAK_PageBreak; | |
| 662 break; | |
| 663 case 0x2029: | |
| 664 dwRet2 = FX_RTFBREAK_ParagraphBreak; | |
| 665 break; | |
| 666 default: | |
| 667 if (pCurChar->m_wCharCode == m_wLineBreakChar) { | |
| 668 dwRet2 = FX_RTFBREAK_ParagraphBreak; | |
| 669 } | |
| 670 break; | |
| 671 } | |
| 672 if (dwRet2 != FX_RTFBREAK_None) { | |
| 673 dwRet2 = EndBreak(dwRet2); | |
| 674 } | |
| 675 } | |
| 676 return dwRet2; | |
| 677 } | |
| 678 FX_DWORD CFX_RTFBreak::AppendChar_Arabic(CFX_RTFChar* pCurChar, | |
| 679 int32_t iRotation) { | |
| 680 CFX_RTFChar* pLastChar = NULL; | |
| 681 int32_t& iLineWidth = m_pCurLine->m_iWidth; | |
| 682 int32_t iCharWidth = 0; | |
| 683 FX_WCHAR wForm; | |
| 684 FX_BOOL bAlef = FALSE; | |
| 685 if (m_dwCharType >= FX_CHARTYPE_ArabicAlef && | |
| 686 m_dwCharType <= FX_CHARTYPE_ArabicDistortion) { | |
| 687 pLastChar = GetLastChar(1); | |
| 688 if (pLastChar != NULL) { | |
| 689 iLineWidth -= pLastChar->m_iCharWidth; | |
| 690 CFX_RTFChar* pPrevChar = GetLastChar(2); | |
| 691 wForm = m_pArabicChar->GetFormChar(pLastChar, pPrevChar, pCurChar); | |
| 692 bAlef = (wForm == 0xFEFF && | |
| 693 pLastChar->GetCharType() == FX_CHARTYPE_ArabicAlef); | |
| 694 int32_t iLastRotation = pLastChar->m_nRotation + m_iLineRotation; | |
| 695 if (m_bVertical && (pLastChar->m_dwCharProps & 0x8000) != 0) { | |
| 696 iLastRotation++; | |
| 697 } | |
| 698 if (m_bVertical != FX_IsOdd(iLastRotation)) { | |
| 699 iCharWidth = 1000; | |
| 700 } else { | |
| 701 if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) { | |
| 702 if (!m_pFont->GetCharWidth(pLastChar->m_wCharCode, iCharWidth, | |
| 703 m_bCharCode)) { | |
| 704 iCharWidth = m_iDefChar; | |
| 705 } | |
| 706 } | |
| 707 } | |
| 708 iCharWidth *= m_iFontSize; | |
| 709 iCharWidth = iCharWidth * m_iHorizontalScale / 100; | |
| 710 pLastChar->m_iCharWidth = iCharWidth; | |
| 711 iLineWidth += iCharWidth; | |
| 712 iCharWidth = 0; | |
| 713 } | |
| 714 } | |
| 715 wForm = | |
| 716 m_pArabicChar->GetFormChar(pCurChar, (bAlef ? NULL : pLastChar), NULL); | |
| 717 if (m_bVertical != FX_IsOdd(iRotation)) { | |
| 718 iCharWidth = 1000; | |
| 719 } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode) && | |
| 720 !m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth, | |
| 721 m_bCharCode)) { | |
| 722 iCharWidth = m_iDefChar; | |
| 723 } | |
| 724 | |
| 725 iCharWidth *= m_iFontSize; | |
| 726 iCharWidth = iCharWidth * m_iHorizontalScale / 100; | |
| 727 pCurChar->m_iCharWidth = iCharWidth; | |
| 728 iLineWidth += iCharWidth; | |
| 729 m_pCurLine->m_iArabicChars++; | |
| 730 if (!m_bSingleLine && !m_bOrphanLine && | |
| 731 m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { | |
| 732 return EndBreak(FX_RTFBREAK_LineBreak); | |
| 733 } | |
| 734 return FX_RTFBREAK_None; | |
| 735 } | |
| 736 FX_DWORD CFX_RTFBreak::AppendChar_Others(CFX_RTFChar* pCurChar, | |
| 737 int32_t iRotation) { | |
| 738 FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK); | |
| 739 FX_WCHAR wForm; | |
| 740 if (dwType == FX_CHARTYPE_Numeric) { | |
| 741 if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) { | |
| 742 wForm = pCurChar->m_wCharCode + 0x0630; | |
| 743 } else { | |
| 744 wForm = pCurChar->m_wCharCode; | |
| 745 } | |
| 746 } else if (m_bRTL || m_bVertical) { | |
| 747 wForm = FX_GetMirrorChar(pCurChar->m_wCharCode, pCurChar->m_dwCharProps, | |
| 748 m_bRTL, m_bVertical); | |
| 749 } else { | |
| 750 wForm = pCurChar->m_wCharCode; | |
| 751 } | |
| 752 int32_t iCharWidth = 0; | |
| 753 if (m_bVertical != FX_IsOdd(iRotation)) { | |
| 754 iCharWidth = 1000; | |
| 755 } else { | |
| 756 if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) { | |
| 757 iCharWidth = m_iDefChar; | |
| 758 } | |
| 759 } | |
| 760 iCharWidth *= m_iFontSize; | |
| 761 iCharWidth = iCharWidth * m_iHorizontalScale / 100; | |
| 762 iCharWidth += m_iCharSpace; | |
| 763 if (dwType == FX_CHARTYPE_Space && m_bWordSpace) { | |
| 764 iCharWidth += m_iWordSpace; | |
| 765 } | |
| 766 pCurChar->m_iCharWidth = iCharWidth; | |
| 767 m_pCurLine->m_iWidth += iCharWidth; | |
| 768 FX_BOOL bBreak = (dwType != FX_CHARTYPE_Space || | |
| 769 (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0); | |
| 770 if (!m_bSingleLine && !m_bOrphanLine && bBreak && | |
| 771 m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { | |
| 772 return EndBreak(FX_RTFBREAK_LineBreak); | |
| 773 } | |
| 774 return FX_RTFBREAK_None; | |
| 775 } | |
| 776 FX_DWORD CFX_RTFBreak::EndBreak(FX_DWORD dwStatus) { | |
| 777 FXSYS_assert(dwStatus >= FX_RTFBREAK_PieceBreak && | |
| 778 dwStatus <= FX_RTFBREAK_PageBreak); | |
| 779 m_dwIdentity++; | |
| 780 CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; | |
| 781 int32_t iCount = pCurPieces->GetSize(); | |
| 782 if (iCount > 0) { | |
| 783 CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount); | |
| 784 if (dwStatus > FX_RTFBREAK_PieceBreak) { | |
| 785 pLastPiece->m_dwStatus = dwStatus; | |
| 786 } else { | |
| 787 dwStatus = pLastPiece->m_dwStatus; | |
| 788 } | |
| 789 return dwStatus; | |
| 790 } else { | |
| 791 CFX_RTFLine* pLastLine = GetRTFLine(TRUE); | |
| 792 if (pLastLine != NULL) { | |
| 793 pCurPieces = &pLastLine->m_LinePieces; | |
| 794 iCount = pCurPieces->GetSize(); | |
| 795 if (iCount-- > 0) { | |
| 796 CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(iCount); | |
| 797 if (dwStatus > FX_RTFBREAK_PieceBreak) { | |
| 798 pLastPiece->m_dwStatus = dwStatus; | |
| 799 } else { | |
| 800 dwStatus = pLastPiece->m_dwStatus; | |
| 801 } | |
| 802 return dwStatus; | |
| 803 } | |
| 804 return FX_RTFBREAK_None; | |
| 805 } | |
| 806 iCount = m_pCurLine->CountChars(); | |
| 807 if (iCount < 1) { | |
| 808 return FX_RTFBREAK_None; | |
| 809 } | |
| 810 CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1); | |
| 811 tc.m_dwStatus = dwStatus; | |
| 812 if (dwStatus <= FX_RTFBREAK_PieceBreak) { | |
| 813 return dwStatus; | |
| 814 } | |
| 815 } | |
| 816 m_iReady = (m_pCurLine == &m_RTFLine1) ? 1 : 2; | |
| 817 CFX_RTFLine* pNextLine = | |
| 818 (m_pCurLine == &m_RTFLine1) ? &m_RTFLine2 : &m_RTFLine1; | |
| 819 FX_BOOL bAllChars = (m_iAlignment > FX_RTFLINEALIGNMENT_Right); | |
| 820 CFX_TPOArray tpos; | |
| 821 if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) { | |
| 822 goto EndBreak_Ret; | |
| 823 } | |
| 824 if (!m_bCharCode) { | |
| 825 EndBreak_BidiLine(tpos, dwStatus); | |
| 826 } | |
| 827 if (!m_bPagination && m_iAlignment > FX_RTFLINEALIGNMENT_Left) { | |
| 828 EndBreak_Alignment(tpos, bAllChars, dwStatus); | |
| 829 } | |
| 830 EndBreak_Ret: | |
| 831 m_pCurLine = pNextLine; | |
| 832 m_pCurLine->m_iStart = m_iBoundaryStart; | |
| 833 CFX_RTFChar* pTC = GetLastChar(0); | |
| 834 m_dwCharType = pTC == NULL ? 0 : pTC->GetCharType(); | |
| 835 return dwStatus; | |
| 836 } | |
| 837 FX_BOOL CFX_RTFBreak::EndBreak_SplitLine(CFX_RTFLine* pNextLine, | |
| 838 FX_BOOL bAllChars, | |
| 839 FX_DWORD dwStatus) { | |
| 840 FX_BOOL bDone = FALSE; | |
| 841 if (!m_bSingleLine && !m_bOrphanLine && | |
| 842 m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { | |
| 843 CFX_RTFChar& tc = m_pCurLine->GetChar(m_pCurLine->CountChars() - 1); | |
| 844 switch (tc.GetCharType()) { | |
| 845 case FX_CHARTYPE_Tab: | |
| 846 if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) { | |
| 847 SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); | |
| 848 bDone = TRUE; | |
| 849 } | |
| 850 break; | |
| 851 case FX_CHARTYPE_Control: | |
| 852 break; | |
| 853 case FX_CHARTYPE_Space: | |
| 854 if ((m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0) { | |
| 855 SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); | |
| 856 bDone = TRUE; | |
| 857 } | |
| 858 break; | |
| 859 default: | |
| 860 SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); | |
| 861 bDone = TRUE; | |
| 862 break; | |
| 863 } | |
| 864 } | |
| 865 if (m_bPagination || m_pCurLine->m_iMBCSChars > 0) { | |
| 866 const CFX_RTFChar* pCurChars = m_pCurLine->m_LineChars.GetData(); | |
| 867 const CFX_RTFChar* pTC; | |
| 868 CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; | |
| 869 CFX_RTFPiece tp; | |
| 870 tp.m_pChars = &m_pCurLine->m_LineChars; | |
| 871 FX_BOOL bNew = TRUE; | |
| 872 FX_DWORD dwIdentity = (FX_DWORD)-1; | |
| 873 int32_t iLast = m_pCurLine->CountChars() - 1, j = 0; | |
| 874 for (int32_t i = 0; i <= iLast;) { | |
| 875 pTC = pCurChars + i; | |
| 876 if (bNew) { | |
| 877 tp.m_iStartChar = i; | |
| 878 tp.m_iStartPos += tp.m_iWidth; | |
| 879 tp.m_iWidth = 0; | |
| 880 tp.m_dwStatus = pTC->m_dwStatus; | |
| 881 tp.m_iFontSize = pTC->m_iFontSize; | |
| 882 tp.m_iFontHeight = pTC->m_iFontHeight; | |
| 883 tp.m_iHorizontalScale = pTC->m_iHorizontalScale; | |
| 884 tp.m_iVerticalScale = pTC->m_iVertialScale; | |
| 885 tp.m_dwLayoutStyles = pTC->m_dwLayoutStyles; | |
| 886 dwIdentity = pTC->m_dwIdentity; | |
| 887 tp.m_dwIdentity = dwIdentity; | |
| 888 tp.m_pUserData = pTC->m_pUserData; | |
| 889 j = i; | |
| 890 bNew = FALSE; | |
| 891 } | |
| 892 if (i == iLast || pTC->m_dwStatus != FX_RTFBREAK_None || | |
| 893 pTC->m_dwIdentity != dwIdentity) { | |
| 894 tp.m_iChars = i - j; | |
| 895 if (pTC->m_dwIdentity == dwIdentity) { | |
| 896 tp.m_dwStatus = pTC->m_dwStatus; | |
| 897 tp.m_iWidth += pTC->m_iCharWidth; | |
| 898 tp.m_iChars += 1; | |
| 899 i++; | |
| 900 } | |
| 901 pCurPieces->Add(tp); | |
| 902 bNew = TRUE; | |
| 903 } else { | |
| 904 tp.m_iWidth += pTC->m_iCharWidth; | |
| 905 i++; | |
| 906 } | |
| 907 } | |
| 908 return TRUE; | |
| 909 } | |
| 910 if (bAllChars && !bDone) { | |
| 911 int32_t iEndPos = m_pCurLine->GetLineEnd(); | |
| 912 GetBreakPos(m_pCurLine->m_LineChars, iEndPos, bAllChars, TRUE); | |
| 913 } | |
| 914 return FALSE; | |
| 915 } | |
| 916 void CFX_RTFBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus) { | |
| 917 FX_TPO tpo; | |
| 918 CFX_RTFPiece tp; | |
| 919 CFX_RTFChar* pTC; | |
| 920 int32_t i, j; | |
| 921 CFX_RTFCharArray& chars = m_pCurLine->m_LineChars; | |
| 922 int32_t iCount = m_pCurLine->CountChars(); | |
| 923 FX_BOOL bDone = (!m_bPagination && !m_bCharCode && | |
| 924 (m_pCurLine->m_iArabicChars > 0 || m_bRTL)); | |
| 925 if (bDone) { | |
| 926 int32_t iBidiNum = 0; | |
| 927 for (i = 0; i < iCount; i++) { | |
| 928 pTC = chars.GetDataPtr(i); | |
| 929 pTC->m_iBidiPos = i; | |
| 930 if (pTC->GetCharType() != FX_CHARTYPE_Control) { | |
| 931 iBidiNum = i; | |
| 932 } | |
| 933 if (i == 0) { | |
| 934 pTC->m_iBidiLevel = 1; | |
| 935 } | |
| 936 } | |
| 937 FX_BidiLine(chars, iBidiNum + 1, m_bRTL ? 1 : 0); | |
| 938 } else { | |
| 939 for (i = 0; i < iCount; i++) { | |
| 940 pTC = chars.GetDataPtr(i); | |
| 941 pTC->m_iBidiLevel = 0; | |
| 942 pTC->m_iBidiPos = 0; | |
| 943 pTC->m_iBidiOrder = 0; | |
| 944 } | |
| 945 } | |
| 946 tp.m_dwStatus = FX_RTFBREAK_PieceBreak; | |
| 947 tp.m_iStartPos = m_pCurLine->m_iStart; | |
| 948 tp.m_pChars = &chars; | |
| 949 CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; | |
| 950 int32_t iBidiLevel = -1, iCharWidth; | |
| 951 FX_DWORD dwIdentity = (FX_DWORD)-1; | |
| 952 i = j = 0; | |
| 953 while (i < iCount) { | |
| 954 pTC = chars.GetDataPtr(i); | |
| 955 if (iBidiLevel < 0) { | |
| 956 iBidiLevel = pTC->m_iBidiLevel; | |
| 957 iCharWidth = pTC->m_iCharWidth; | |
| 958 if (iCharWidth < 1) { | |
| 959 tp.m_iWidth = 0; | |
| 960 } else { | |
| 961 tp.m_iWidth = iCharWidth; | |
| 962 } | |
| 963 tp.m_iBidiLevel = iBidiLevel; | |
| 964 tp.m_iBidiPos = pTC->m_iBidiOrder; | |
| 965 tp.m_iFontSize = pTC->m_iFontSize; | |
| 966 tp.m_iFontHeight = pTC->m_iFontHeight; | |
| 967 tp.m_iHorizontalScale = pTC->m_iHorizontalScale; | |
| 968 tp.m_iVerticalScale = pTC->m_iVertialScale; | |
| 969 dwIdentity = pTC->m_dwIdentity; | |
| 970 tp.m_dwIdentity = dwIdentity; | |
| 971 tp.m_pUserData = pTC->m_pUserData; | |
| 972 tp.m_dwStatus = FX_RTFBREAK_PieceBreak; | |
| 973 i++; | |
| 974 } else if (iBidiLevel != pTC->m_iBidiLevel || | |
| 975 pTC->m_dwIdentity != dwIdentity) { | |
| 976 tp.m_iChars = i - tp.m_iStartChar; | |
| 977 pCurPieces->Add(tp); | |
| 978 tp.m_iStartPos += tp.m_iWidth; | |
| 979 tp.m_iStartChar = i; | |
| 980 tpo.index = j++; | |
| 981 tpo.pos = tp.m_iBidiPos; | |
| 982 tpos.Add(tpo); | |
| 983 iBidiLevel = -1; | |
| 984 } else { | |
| 985 iCharWidth = pTC->m_iCharWidth; | |
| 986 if (iCharWidth > 0) { | |
| 987 tp.m_iWidth += iCharWidth; | |
| 988 } | |
| 989 i++; | |
| 990 } | |
| 991 } | |
| 992 if (i > tp.m_iStartChar) { | |
| 993 tp.m_dwStatus = dwStatus; | |
| 994 tp.m_iChars = i - tp.m_iStartChar; | |
| 995 pCurPieces->Add(tp); | |
| 996 tpo.index = j; | |
| 997 tpo.pos = tp.m_iBidiPos; | |
| 998 tpos.Add(tpo); | |
| 999 } | |
| 1000 if (!m_bCharCode) { | |
| 1001 j = tpos.GetSize() - 1; | |
| 1002 FX_TEXTLAYOUT_PieceSort(tpos, 0, j); | |
| 1003 int32_t iStartPos = m_pCurLine->m_iStart; | |
| 1004 for (i = 0; i <= j; i++) { | |
| 1005 tpo = tpos.GetAt(i); | |
| 1006 CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index); | |
| 1007 ttp.m_iStartPos = iStartPos; | |
| 1008 iStartPos += ttp.m_iWidth; | |
| 1009 } | |
| 1010 } | |
| 1011 } | |
| 1012 void CFX_RTFBreak::EndBreak_Alignment(CFX_TPOArray& tpos, | |
| 1013 FX_BOOL bAllChars, | |
| 1014 FX_DWORD dwStatus) { | |
| 1015 CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; | |
| 1016 int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth; | |
| 1017 int32_t iCount = pCurPieces->GetSize(); | |
| 1018 FX_BOOL bFind = FALSE; | |
| 1019 FX_DWORD dwCharType; | |
| 1020 int32_t i, j; | |
| 1021 FX_TPO tpo; | |
| 1022 for (i = iCount - 1; i > -1; i--) { | |
| 1023 tpo = tpos.GetAt(i); | |
| 1024 CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index); | |
| 1025 if (!bFind) { | |
| 1026 iNetWidth = ttp.GetEndPos(); | |
| 1027 } | |
| 1028 FX_BOOL bArabic = FX_IsOdd(ttp.m_iBidiLevel); | |
| 1029 j = bArabic ? 0 : ttp.m_iChars - 1; | |
| 1030 while (j > -1 && j < ttp.m_iChars) { | |
| 1031 const CFX_RTFChar& tc = ttp.GetChar(j); | |
| 1032 if (tc.m_nBreakType == FX_LBT_DIRECT_BRK) { | |
| 1033 iGapChars++; | |
| 1034 } | |
| 1035 if (!bFind || !bAllChars) { | |
| 1036 dwCharType = tc.GetCharType(); | |
| 1037 if (dwCharType == FX_CHARTYPE_Space || | |
| 1038 dwCharType == FX_CHARTYPE_Control) { | |
| 1039 if (!bFind) { | |
| 1040 iCharWidth = tc.m_iCharWidth; | |
| 1041 if (bAllChars && iCharWidth > 0) { | |
| 1042 iNetWidth -= iCharWidth; | |
| 1043 } | |
| 1044 } | |
| 1045 } else { | |
| 1046 bFind = TRUE; | |
| 1047 if (!bAllChars) { | |
| 1048 break; | |
| 1049 } | |
| 1050 } | |
| 1051 } | |
| 1052 j += bArabic ? 1 : -1; | |
| 1053 } | |
| 1054 if (!bAllChars && bFind) { | |
| 1055 break; | |
| 1056 } | |
| 1057 } | |
| 1058 int32_t iOffset = m_iBoundaryEnd - iNetWidth; | |
| 1059 int32_t iLowerAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_LowerMask); | |
| 1060 int32_t iHigherAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_HigherMask); | |
| 1061 if (iGapChars > 0 && (iHigherAlignment == FX_RTFLINEALIGNMENT_Distributed || | |
| 1062 (iHigherAlignment == FX_RTFLINEALIGNMENT_Justified && | |
| 1063 dwStatus != FX_RTFBREAK_ParagraphBreak))) { | |
| 1064 int32_t iStart = -1; | |
| 1065 for (i = 0; i < iCount; i++) { | |
| 1066 tpo = tpos.GetAt(i); | |
| 1067 CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index); | |
| 1068 if (iStart < 0) { | |
| 1069 iStart = ttp.m_iStartPos; | |
| 1070 } else { | |
| 1071 ttp.m_iStartPos = iStart; | |
| 1072 } | |
| 1073 int32_t k; | |
| 1074 for (j = 0; j < ttp.m_iChars; j++) { | |
| 1075 CFX_RTFChar& tc = ttp.GetChar(j); | |
| 1076 if (tc.m_nBreakType != FX_LBT_DIRECT_BRK || tc.m_iCharWidth < 0) { | |
| 1077 continue; | |
| 1078 } | |
| 1079 k = iOffset / iGapChars; | |
| 1080 tc.m_iCharWidth += k; | |
| 1081 ttp.m_iWidth += k; | |
| 1082 iOffset -= k; | |
| 1083 iGapChars--; | |
| 1084 if (iGapChars < 1) { | |
| 1085 break; | |
| 1086 } | |
| 1087 } | |
| 1088 iStart += ttp.m_iWidth; | |
| 1089 } | |
| 1090 } else if (iLowerAlignment > FX_RTFLINEALIGNMENT_Left) { | |
| 1091 if (iLowerAlignment == FX_RTFLINEALIGNMENT_Center) { | |
| 1092 iOffset /= 2; | |
| 1093 } | |
| 1094 if (iOffset > 0) { | |
| 1095 for (i = 0; i < iCount; i++) { | |
| 1096 CFX_RTFPiece& ttp = pCurPieces->GetAt(i); | |
| 1097 ttp.m_iStartPos += iOffset; | |
| 1098 } | |
| 1099 } | |
| 1100 } | |
| 1101 } | |
| 1102 int32_t CFX_RTFBreak::GetBreakPos(CFX_RTFCharArray& tca, | |
| 1103 int32_t& iEndPos, | |
| 1104 FX_BOOL bAllChars, | |
| 1105 FX_BOOL bOnlyBrk) { | |
| 1106 int32_t iLength = tca.GetSize() - 1; | |
| 1107 if (iLength < 1) { | |
| 1108 return iLength; | |
| 1109 } | |
| 1110 int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1, | |
| 1111 iLast = -1, iLastPos = -1; | |
| 1112 if (m_bSingleLine || m_bOrphanLine || iEndPos <= m_iBoundaryEnd) { | |
| 1113 if (!bAllChars || m_bCharCode) { | |
| 1114 return iLength; | |
| 1115 } | |
| 1116 iBreak = iLength; | |
| 1117 iBreakPos = iEndPos; | |
| 1118 } | |
| 1119 CFX_RTFChar* pCharArray = tca.GetData(); | |
| 1120 if (m_bCharCode) { | |
| 1121 const CFX_RTFChar* pChar; | |
| 1122 int32_t iCharWidth; | |
| 1123 while (iLength > 0) { | |
| 1124 if (iEndPos <= m_iBoundaryEnd) { | |
| 1125 break; | |
| 1126 } | |
| 1127 pChar = pCharArray + iLength--; | |
| 1128 iCharWidth = pChar->m_iCharWidth; | |
| 1129 if (iCharWidth > 0) { | |
| 1130 iEndPos -= iCharWidth; | |
| 1131 } | |
| 1132 } | |
| 1133 return iLength; | |
| 1134 } | |
| 1135 FX_BOOL bSpaceBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0; | |
| 1136 FX_BOOL bTabBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0; | |
| 1137 FX_BOOL bNumberBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_NumberBreak) != 0; | |
| 1138 FX_BOOL bInfixBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_InfixBreak) != 0; | |
| 1139 FX_LINEBREAKTYPE eType; | |
| 1140 FX_DWORD nCodeProp, nCur, nNext; | |
| 1141 CFX_RTFChar* pCur = pCharArray + iLength--; | |
| 1142 if (bAllChars) { | |
| 1143 pCur->m_nBreakType = FX_LBT_UNKNOWN; | |
| 1144 } | |
| 1145 nCodeProp = pCur->m_dwCharProps; | |
| 1146 nNext = nCodeProp & 0x003F; | |
| 1147 int32_t iCharWidth = pCur->m_iCharWidth; | |
| 1148 if (iCharWidth > 0) { | |
| 1149 iEndPos -= iCharWidth; | |
| 1150 } | |
| 1151 while (iLength >= 0) { | |
| 1152 pCur = pCharArray + iLength; | |
| 1153 nCodeProp = pCur->m_dwCharProps; | |
| 1154 nCur = nCodeProp & 0x003F; | |
| 1155 FX_BOOL bNeedBreak = FALSE; | |
| 1156 if (nCur == FX_CBP_SP) { | |
| 1157 bNeedBreak = !bSpaceBreak; | |
| 1158 if (nNext == FX_CBP_SP) { | |
| 1159 eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK; | |
| 1160 } else { | |
| 1161 eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable + | |
| 1162 (nCur << 5) + nNext); | |
| 1163 } | |
| 1164 } else if (nCur == FX_CBP_TB) { | |
| 1165 bNeedBreak = !bTabBreak; | |
| 1166 if (nNext == FX_CBP_TB) { | |
| 1167 eType = bTabBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK; | |
| 1168 } else { | |
| 1169 eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable + | |
| 1170 (nCur << 5) + nNext); | |
| 1171 } | |
| 1172 } else if (bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) { | |
| 1173 eType = FX_LBT_DIRECT_BRK; | |
| 1174 } else if (bInfixBreak && nCur == FX_CBP_IS && nNext == FX_CBP_IS) { | |
| 1175 eType = FX_LBT_DIRECT_BRK; | |
| 1176 } else { | |
| 1177 if (nNext == FX_CBP_SP) { | |
| 1178 eType = FX_LBT_PROHIBITED_BRK; | |
| 1179 } else { | |
| 1180 eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable + | |
| 1181 (nCur << 5) + nNext); | |
| 1182 } | |
| 1183 } | |
| 1184 if (bAllChars) { | |
| 1185 pCur->m_nBreakType = eType; | |
| 1186 } | |
| 1187 if (!bOnlyBrk) { | |
| 1188 iCharWidth = pCur->m_iCharWidth; | |
| 1189 FX_BOOL bBreak = FALSE; | |
| 1190 if (nCur == FX_CBP_TB && bTabBreak) { | |
| 1191 bBreak = iCharWidth > 0 && iEndPos - iCharWidth <= m_iBoundaryEnd; | |
| 1192 } else { | |
| 1193 bBreak = iEndPos <= m_iBoundaryEnd; | |
| 1194 } | |
| 1195 if (m_bSingleLine || m_bOrphanLine || bBreak || bNeedBreak) { | |
| 1196 if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) { | |
| 1197 iBreak = iLength; | |
| 1198 iBreakPos = iEndPos; | |
| 1199 if (!bAllChars) { | |
| 1200 return iLength; | |
| 1201 } | |
| 1202 } else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) { | |
| 1203 iIndirect = iLength; | |
| 1204 iIndirectPos = iEndPos; | |
| 1205 } | |
| 1206 if (iLast < 0) { | |
| 1207 iLast = iLength; | |
| 1208 iLastPos = iEndPos; | |
| 1209 } | |
| 1210 } | |
| 1211 if (iCharWidth > 0) { | |
| 1212 iEndPos -= iCharWidth; | |
| 1213 } | |
| 1214 } | |
| 1215 nNext = nCodeProp & 0x003F; | |
| 1216 iLength--; | |
| 1217 } | |
| 1218 if (bOnlyBrk) { | |
| 1219 return 0; | |
| 1220 } | |
| 1221 if (iBreak > -1) { | |
| 1222 iEndPos = iBreakPos; | |
| 1223 return iBreak; | |
| 1224 } | |
| 1225 if (iIndirect > -1) { | |
| 1226 iEndPos = iIndirectPos; | |
| 1227 return iIndirect; | |
| 1228 } | |
| 1229 if (iLast > -1) { | |
| 1230 iEndPos = iLastPos; | |
| 1231 return iLast; | |
| 1232 } | |
| 1233 return 0; | |
| 1234 } | |
| 1235 void CFX_RTFBreak::SplitTextLine(CFX_RTFLine* pCurLine, | |
| 1236 CFX_RTFLine* pNextLine, | |
| 1237 FX_BOOL bAllChars) { | |
| 1238 FXSYS_assert(pCurLine != NULL && pNextLine != NULL); | |
| 1239 int32_t iCount = pCurLine->CountChars(); | |
| 1240 if (iCount < 2) { | |
| 1241 return; | |
| 1242 } | |
| 1243 int32_t iEndPos = pCurLine->GetLineEnd(); | |
| 1244 CFX_RTFCharArray& curChars = pCurLine->m_LineChars; | |
| 1245 int32_t iCharPos = GetBreakPos(curChars, iEndPos, bAllChars, FALSE); | |
| 1246 if (iCharPos < 0) { | |
| 1247 iCharPos = 0; | |
| 1248 } | |
| 1249 iCharPos++; | |
| 1250 if (iCharPos >= iCount) { | |
| 1251 pNextLine->RemoveAll(TRUE); | |
| 1252 CFX_Char* pTC = curChars.GetDataPtr(iCharPos - 1); | |
| 1253 pTC->m_nBreakType = FX_LBT_UNKNOWN; | |
| 1254 return; | |
| 1255 } | |
| 1256 CFX_RTFCharArray& nextChars = pNextLine->m_LineChars; | |
| 1257 int cur_size = curChars.GetSize(); | |
| 1258 nextChars.SetSize(cur_size - iCharPos); | |
| 1259 FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos), | |
| 1260 (cur_size - iCharPos) * sizeof(CFX_RTFChar)); | |
| 1261 iCount -= iCharPos; | |
| 1262 cur_size = curChars.GetSize(); | |
| 1263 curChars.RemoveAt(cur_size - iCount, iCount); | |
| 1264 pNextLine->m_iStart = pCurLine->m_iStart; | |
| 1265 pNextLine->m_iWidth = pCurLine->GetLineEnd() - iEndPos; | |
| 1266 pCurLine->m_iWidth = iEndPos; | |
| 1267 CFX_RTFChar* tc = curChars.GetDataPtr(iCharPos - 1); | |
| 1268 tc->m_nBreakType = FX_LBT_UNKNOWN; | |
| 1269 iCount = nextChars.GetSize(); | |
| 1270 CFX_RTFChar* pNextChars = nextChars.GetData(); | |
| 1271 for (int32_t i = 0; i < iCount; i++) { | |
| 1272 CFX_RTFChar* tc = pNextChars + i; | |
| 1273 if (tc->GetCharType() >= FX_CHARTYPE_ArabicAlef) { | |
| 1274 pCurLine->m_iArabicChars--; | |
| 1275 pNextLine->m_iArabicChars++; | |
| 1276 } | |
| 1277 if (tc->m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) { | |
| 1278 pCurLine->m_iMBCSChars--; | |
| 1279 pNextLine->m_iMBCSChars++; | |
| 1280 } | |
| 1281 tc->m_dwStatus = 0; | |
| 1282 } | |
| 1283 } | |
| 1284 int32_t CFX_RTFBreak::CountBreakPieces() const { | |
| 1285 CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE); | |
| 1286 if (pRTFPieces == NULL) { | |
| 1287 return 0; | |
| 1288 } | |
| 1289 return pRTFPieces->GetSize(); | |
| 1290 } | |
| 1291 const CFX_RTFPiece* CFX_RTFBreak::GetBreakPiece(int32_t index) const { | |
| 1292 CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE); | |
| 1293 if (pRTFPieces == NULL) { | |
| 1294 return NULL; | |
| 1295 } | |
| 1296 if (index < 0 || index >= pRTFPieces->GetSize()) { | |
| 1297 return NULL; | |
| 1298 } | |
| 1299 return pRTFPieces->GetPtrAt(index); | |
| 1300 } | |
| 1301 void CFX_RTFBreak::GetLineRect(CFX_RectF& rect) const { | |
| 1302 rect.top = 0; | |
| 1303 CFX_RTFLine* pRTFLine = GetRTFLine(TRUE); | |
| 1304 if (pRTFLine == NULL) { | |
| 1305 rect.left = ((FX_FLOAT)m_iBoundaryStart) / 20000.0f; | |
| 1306 rect.width = rect.height = 0; | |
| 1307 return; | |
| 1308 } | |
| 1309 rect.left = ((FX_FLOAT)pRTFLine->m_iStart) / 20000.0f; | |
| 1310 rect.width = ((FX_FLOAT)pRTFLine->m_iWidth) / 20000.0f; | |
| 1311 CFX_RTFPieceArray& rtfPieces = pRTFLine->m_LinePieces; | |
| 1312 int32_t iCount = rtfPieces.GetSize(); | |
| 1313 if (iCount < 1) { | |
| 1314 rect.width = 0; | |
| 1315 return; | |
| 1316 } | |
| 1317 CFX_RTFPiece* pBreakPiece; | |
| 1318 int32_t iLineHeight = 0, iMax; | |
| 1319 for (int32_t i = 0; i < iCount; i++) { | |
| 1320 pBreakPiece = rtfPieces.GetPtrAt(i); | |
| 1321 int32_t iFontHeight = FXSYS_round(pBreakPiece->m_iFontHeight * | |
| 1322 pBreakPiece->m_iVerticalScale / 100.0f); | |
| 1323 iMax = std::max(pBreakPiece->m_iFontSize, iFontHeight); | |
| 1324 if (i == 0) { | |
| 1325 iLineHeight = iMax; | |
| 1326 } else if (iLineHeight < iMax) { | |
| 1327 iLineHeight = iMax; | |
| 1328 } | |
| 1329 } | |
| 1330 rect.height = ((FX_FLOAT)iLineHeight) / 20.0f; | |
| 1331 } | |
| 1332 void CFX_RTFBreak::ClearBreakPieces() { | |
| 1333 CFX_RTFLine* pRTFLine = GetRTFLine(TRUE); | |
| 1334 if (pRTFLine != NULL) { | |
| 1335 pRTFLine->RemoveAll(TRUE); | |
| 1336 } | |
| 1337 m_iReady = 0; | |
| 1338 } | |
| 1339 void CFX_RTFBreak::Reset() { | |
| 1340 m_dwCharType = 0; | |
| 1341 m_RTFLine1.RemoveAll(TRUE); | |
| 1342 m_RTFLine2.RemoveAll(TRUE); | |
| 1343 } | |
| 1344 int32_t CFX_RTFBreak::GetDisplayPos(const FX_RTFTEXTOBJ* pText, | |
| 1345 FXTEXT_CHARPOS* pCharPos, | |
| 1346 FX_BOOL bCharCode, | |
| 1347 CFX_WideString* pWSForms, | |
| 1348 FX_AdjustCharDisplayPos pAdjustPos) const { | |
| 1349 if (pText == NULL || pText->iLength < 1) { | |
| 1350 return 0; | |
| 1351 } | |
| 1352 FXSYS_assert(pText->pStr != NULL && pText->pWidths != NULL && | |
| 1353 pText->pFont != NULL && pText->pRect != NULL); | |
| 1354 const FX_WCHAR* pStr = pText->pStr; | |
| 1355 int32_t* pWidths = pText->pWidths; | |
| 1356 int32_t iLength = pText->iLength - 1; | |
| 1357 IFX_Font* pFont = pText->pFont; | |
| 1358 FX_DWORD dwStyles = pText->dwLayoutStyles; | |
| 1359 CFX_RectF rtText(*pText->pRect); | |
| 1360 FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel); | |
| 1361 FX_FLOAT fFontSize = pText->fFontSize; | |
| 1362 int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); | |
| 1363 int32_t iAscent = pFont->GetAscent(); | |
| 1364 int32_t iDescent = pFont->GetDescent(); | |
| 1365 int32_t iMaxHeight = iAscent - iDescent; | |
| 1366 FX_FLOAT fFontHeight = fFontSize; | |
| 1367 FX_FLOAT fAscent = fFontHeight * (FX_FLOAT)iAscent / (FX_FLOAT)iMaxHeight; | |
| 1368 FX_FLOAT fDescent = fFontHeight * (FX_FLOAT)iDescent / (FX_FLOAT)iMaxHeight; | |
| 1369 FX_BOOL bVerticalDoc = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalLayout) != 0; | |
| 1370 FX_BOOL bVerticalChar = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0; | |
| 1371 FX_BOOL bArabicNumber = (dwStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) != 0; | |
| 1372 FX_BOOL bMBCSCode = (dwStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0; | |
| 1373 int32_t iRotation = GetLineRotation(dwStyles) + pText->iCharRotation; | |
| 1374 int32_t iCharRotation; | |
| 1375 FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm; | |
| 1376 int32_t iWidth, iCharWidth, iCharHeight; | |
| 1377 FX_FLOAT fX, fY, fCharWidth, fCharHeight; | |
| 1378 int32_t iHorScale = pText->iHorizontalScale; | |
| 1379 int32_t iVerScale = pText->iVerticalScale; | |
| 1380 FX_BOOL bEmptyChar; | |
| 1381 FX_DWORD dwProps, dwCharType; | |
| 1382 fX = rtText.left; | |
| 1383 fY = rtText.top; | |
| 1384 if (bVerticalDoc) { | |
| 1385 fX += (rtText.width - fFontSize) / 2.0f; | |
| 1386 if (bRTLPiece) { | |
| 1387 fY = rtText.bottom(); | |
| 1388 } | |
| 1389 } else { | |
| 1390 if (bRTLPiece) { | |
| 1391 fX = rtText.right(); | |
| 1392 } | |
| 1393 fY += fAscent; | |
| 1394 } | |
| 1395 int32_t iCount = 0; | |
| 1396 for (int32_t i = 0; i <= iLength; i++) { | |
| 1397 wch = *pStr++; | |
| 1398 iWidth = *pWidths++; | |
| 1399 if (!bMBCSCode) { | |
| 1400 dwProps = FX_GetUnicodeProperties(wch); | |
| 1401 dwCharType = (dwProps & FX_CHARTYPEBITSMASK); | |
| 1402 if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) { | |
| 1403 wPrev = 0xFEFF; | |
| 1404 continue; | |
| 1405 } | |
| 1406 } else { | |
| 1407 dwProps = 0; | |
| 1408 dwCharType = 0; | |
| 1409 } | |
| 1410 if (iWidth != 0) { | |
| 1411 iCharWidth = iWidth; | |
| 1412 if (iCharWidth < 0) { | |
| 1413 iCharWidth = -iCharWidth; | |
| 1414 } | |
| 1415 if (!bMBCSCode) { | |
| 1416 bEmptyChar = (dwCharType >= FX_CHARTYPE_Tab && | |
| 1417 dwCharType <= FX_CHARTYPE_Control); | |
| 1418 } else { | |
| 1419 bEmptyChar = FALSE; | |
| 1420 } | |
| 1421 if (!bEmptyChar) { | |
| 1422 iCount++; | |
| 1423 } | |
| 1424 if (pCharPos != NULL) { | |
| 1425 iCharWidth /= iFontSize; | |
| 1426 wForm = wch; | |
| 1427 if (!bMBCSCode) { | |
| 1428 if (dwCharType >= FX_CHARTYPE_ArabicAlef) { | |
| 1429 if (i < iLength) { | |
| 1430 wNext = *pStr; | |
| 1431 if (*pWidths < 0) { | |
| 1432 if (i + 1 < iLength) { | |
| 1433 wNext = pStr[1]; | |
| 1434 } | |
| 1435 } | |
| 1436 } else { | |
| 1437 wNext = 0xFEFF; | |
| 1438 } | |
| 1439 wForm = m_pArabicChar->GetFormChar(wch, wPrev, wNext); | |
| 1440 } else if (bRTLPiece || bVerticalChar) { | |
| 1441 wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar); | |
| 1442 } else if (dwCharType == FX_CHARTYPE_Numeric && bArabicNumber) { | |
| 1443 wForm = wch + 0x0630; | |
| 1444 } | |
| 1445 dwProps = FX_GetUnicodeProperties(wForm); | |
| 1446 } | |
| 1447 iCharRotation = iRotation; | |
| 1448 if (!bMBCSCode && bVerticalChar && (dwProps & 0x8000) != 0) { | |
| 1449 iCharRotation++; | |
| 1450 iCharRotation %= 4; | |
| 1451 } | |
| 1452 if (!bEmptyChar) { | |
| 1453 if (bCharCode) { | |
| 1454 pCharPos->m_GlyphIndex = wch; | |
| 1455 } else { | |
| 1456 pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wForm, bMBCSCode); | |
| 1457 if (pCharPos->m_GlyphIndex == 0xFFFF) { | |
| 1458 pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wch, bMBCSCode); | |
| 1459 } | |
| 1460 } | |
| 1461 pCharPos->m_ExtGID = pCharPos->m_GlyphIndex; | |
| 1462 pCharPos->m_FontCharWidth = iCharWidth; | |
| 1463 if (pWSForms) { | |
| 1464 *pWSForms += wForm; | |
| 1465 } | |
| 1466 } | |
| 1467 if (bVerticalDoc) { | |
| 1468 iCharHeight = iCharWidth; | |
| 1469 iCharWidth = 1000; | |
| 1470 } else { | |
| 1471 iCharHeight = 1000; | |
| 1472 } | |
| 1473 fCharWidth = fFontSize * iCharWidth / 1000.0f; | |
| 1474 fCharHeight = fFontSize * iCharHeight / 1000.0f; | |
| 1475 if (!bMBCSCode && bRTLPiece && dwCharType != FX_CHARTYPE_Combination) { | |
| 1476 if (bVerticalDoc) { | |
| 1477 fY -= fCharHeight; | |
| 1478 } else { | |
| 1479 fX -= fCharWidth; | |
| 1480 } | |
| 1481 } | |
| 1482 if (!bEmptyChar) { | |
| 1483 CFX_PointF ptOffset; | |
| 1484 FX_BOOL bAdjusted = FALSE; | |
| 1485 if (pAdjustPos) { | |
| 1486 bAdjusted = pAdjustPos(wForm, bMBCSCode, pFont, fFontSize, | |
| 1487 bVerticalChar, ptOffset); | |
| 1488 } | |
| 1489 if (!pAdjustPos && bVerticalChar && (dwProps & 0x00010000) != 0) { | |
| 1490 CFX_Rect rtBBox; | |
| 1491 rtBBox.Reset(); | |
| 1492 if (pFont->GetCharBBox(wForm, rtBBox, bMBCSCode)) { | |
| 1493 ptOffset.x = fFontSize * (850 - rtBBox.right()) / 1000.0f; | |
| 1494 ptOffset.y = fFontSize * (1000 - rtBBox.height) / 2000.0f; | |
| 1495 } | |
| 1496 } | |
| 1497 pCharPos->m_OriginX = fX + ptOffset.x; | |
| 1498 pCharPos->m_OriginY = fY - ptOffset.y; | |
| 1499 } | |
| 1500 if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) { | |
| 1501 if (bVerticalDoc) { | |
| 1502 fY += fCharHeight; | |
| 1503 } else { | |
| 1504 fX += fCharWidth; | |
| 1505 } | |
| 1506 } | |
| 1507 if (!bEmptyChar) { | |
| 1508 pCharPos->m_bGlyphAdjust = TRUE; | |
| 1509 if (bVerticalDoc) { | |
| 1510 if (iCharRotation == 0) { | |
| 1511 pCharPos->m_AdjustMatrix[0] = -1; | |
| 1512 pCharPos->m_AdjustMatrix[1] = 0; | |
| 1513 pCharPos->m_AdjustMatrix[2] = 0; | |
| 1514 pCharPos->m_AdjustMatrix[3] = 1; | |
| 1515 pCharPos->m_OriginY += fAscent * iVerScale / 100.0f; | |
| 1516 } else if (iCharRotation == 1) { | |
| 1517 pCharPos->m_AdjustMatrix[0] = 0; | |
| 1518 pCharPos->m_AdjustMatrix[1] = -1; | |
| 1519 pCharPos->m_AdjustMatrix[2] = -1; | |
| 1520 pCharPos->m_AdjustMatrix[3] = 0; | |
| 1521 pCharPos->m_OriginX -= | |
| 1522 fDescent + fAscent * iVerScale / 100.0f - fAscent; | |
| 1523 } else if (iCharRotation == 2) { | |
| 1524 pCharPos->m_AdjustMatrix[0] = 1; | |
| 1525 pCharPos->m_AdjustMatrix[1] = 0; | |
| 1526 pCharPos->m_AdjustMatrix[2] = 0; | |
| 1527 pCharPos->m_AdjustMatrix[3] = -1; | |
| 1528 pCharPos->m_OriginX += fCharWidth; | |
| 1529 pCharPos->m_OriginY += fAscent; | |
| 1530 } else { | |
| 1531 pCharPos->m_AdjustMatrix[0] = 0; | |
| 1532 pCharPos->m_AdjustMatrix[1] = 1; | |
| 1533 pCharPos->m_AdjustMatrix[2] = 1; | |
| 1534 pCharPos->m_AdjustMatrix[3] = 0; | |
| 1535 pCharPos->m_OriginX += fAscent; | |
| 1536 pCharPos->m_OriginY += fCharWidth; | |
| 1537 } | |
| 1538 } else { | |
| 1539 if (iCharRotation == 0) { | |
| 1540 pCharPos->m_AdjustMatrix[0] = -1; | |
| 1541 pCharPos->m_AdjustMatrix[1] = 0; | |
| 1542 pCharPos->m_AdjustMatrix[2] = 0; | |
| 1543 pCharPos->m_AdjustMatrix[3] = 1; | |
| 1544 pCharPos->m_OriginY += fAscent * iVerScale / 100.0f - fAscent; | |
| 1545 } else if (iCharRotation == 1) { | |
| 1546 pCharPos->m_AdjustMatrix[0] = 0; | |
| 1547 pCharPos->m_AdjustMatrix[1] = -1; | |
| 1548 pCharPos->m_AdjustMatrix[2] = -1; | |
| 1549 pCharPos->m_AdjustMatrix[3] = 0; | |
| 1550 pCharPos->m_OriginX -= fDescent; | |
| 1551 pCharPos->m_OriginY -= fAscent + fDescent; | |
| 1552 } else if (iCharRotation == 2) { | |
| 1553 pCharPos->m_AdjustMatrix[0] = 1; | |
| 1554 pCharPos->m_AdjustMatrix[1] = 0; | |
| 1555 pCharPos->m_AdjustMatrix[2] = 0; | |
| 1556 pCharPos->m_AdjustMatrix[3] = -1; | |
| 1557 pCharPos->m_OriginX += fCharWidth; | |
| 1558 pCharPos->m_OriginY -= fAscent; | |
| 1559 } else { | |
| 1560 pCharPos->m_AdjustMatrix[0] = 0; | |
| 1561 pCharPos->m_AdjustMatrix[1] = 1; | |
| 1562 pCharPos->m_AdjustMatrix[2] = 1; | |
| 1563 pCharPos->m_AdjustMatrix[3] = 0; | |
| 1564 pCharPos->m_OriginX += fAscent * iVerScale / 100.0f; | |
| 1565 } | |
| 1566 } | |
| 1567 if (iHorScale != 100 || iVerScale != 100) { | |
| 1568 pCharPos->m_AdjustMatrix[0] = | |
| 1569 pCharPos->m_AdjustMatrix[0] * iHorScale / 100.0f; | |
| 1570 pCharPos->m_AdjustMatrix[1] = | |
| 1571 pCharPos->m_AdjustMatrix[1] * iHorScale / 100.0f; | |
| 1572 pCharPos->m_AdjustMatrix[2] = | |
| 1573 pCharPos->m_AdjustMatrix[2] * iVerScale / 100.0f; | |
| 1574 pCharPos->m_AdjustMatrix[3] = | |
| 1575 pCharPos->m_AdjustMatrix[3] * iVerScale / 100.0f; | |
| 1576 } | |
| 1577 pCharPos++; | |
| 1578 } | |
| 1579 } | |
| 1580 } | |
| 1581 if (iWidth > 0) { | |
| 1582 wPrev = wch; | |
| 1583 } | |
| 1584 } | |
| 1585 return iCount; | |
| 1586 } | |
| 1587 int32_t CFX_RTFBreak::GetCharRects(const FX_RTFTEXTOBJ* pText, | |
| 1588 CFX_RectFArray& rtArray, | |
| 1589 FX_BOOL bCharBBox) const { | |
| 1590 if (pText == NULL || pText->iLength < 1) { | |
| 1591 return 0; | |
| 1592 } | |
| 1593 FXSYS_assert(pText->pStr != NULL && pText->pWidths != NULL && | |
| 1594 pText->pFont != NULL && pText->pRect != NULL); | |
| 1595 const FX_WCHAR* pStr = pText->pStr; | |
| 1596 int32_t* pWidths = pText->pWidths; | |
| 1597 int32_t iLength = pText->iLength; | |
| 1598 CFX_RectF rect(*pText->pRect); | |
| 1599 FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel); | |
| 1600 FX_FLOAT fFontSize = pText->fFontSize; | |
| 1601 int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); | |
| 1602 FX_FLOAT fScale = fFontSize / 1000.0f; | |
| 1603 IFX_Font* pFont = pText->pFont; | |
| 1604 if (pFont == NULL) { | |
| 1605 bCharBBox = FALSE; | |
| 1606 } | |
| 1607 CFX_Rect bbox; | |
| 1608 bbox.Set(0, 0, 0, 0); | |
| 1609 if (bCharBBox) { | |
| 1610 bCharBBox = pFont->GetBBox(bbox); | |
| 1611 } | |
| 1612 FX_FLOAT fLeft = std::max(0.0f, bbox.left * fScale); | |
| 1613 FX_FLOAT fHeight = FXSYS_fabs(bbox.height * fScale); | |
| 1614 rtArray.RemoveAll(); | |
| 1615 rtArray.SetSize(iLength); | |
| 1616 FX_DWORD dwStyles = pText->dwLayoutStyles; | |
| 1617 FX_BOOL bVertical = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalLayout) != 0; | |
| 1618 FX_BOOL bSingleLine = (dwStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0; | |
| 1619 FX_BOOL bCombText = (dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0; | |
| 1620 FX_WCHAR wch, wLineBreakChar = pText->wLineBreakChar; | |
| 1621 int32_t iCharSize; | |
| 1622 FX_FLOAT fCharSize, fStart; | |
| 1623 if (bVertical) { | |
| 1624 fStart = bRTLPiece ? rect.bottom() : rect.top; | |
| 1625 } else { | |
| 1626 fStart = bRTLPiece ? rect.right() : rect.left; | |
| 1627 } | |
| 1628 for (int32_t i = 0; i < iLength; i++) { | |
| 1629 wch = *pStr++; | |
| 1630 iCharSize = *pWidths++; | |
| 1631 fCharSize = (FX_FLOAT)iCharSize / 20000.0f; | |
| 1632 FX_BOOL bRet = (!bSingleLine && FX_IsCtrlCode(wch)); | |
| 1633 if (!(wch == L'\v' || wch == L'\f' || wch == 0x2028 || wch == 0x2029 || | |
| 1634 (wLineBreakChar != 0xFEFF && wch == wLineBreakChar))) { | |
| 1635 bRet = FALSE; | |
| 1636 } | |
| 1637 if (bRet) { | |
| 1638 iCharSize = iFontSize * 500; | |
| 1639 fCharSize = fFontSize / 2.0f; | |
| 1640 } | |
| 1641 if (bVertical) { | |
| 1642 rect.top = fStart; | |
| 1643 if (bRTLPiece) { | |
| 1644 rect.top -= fCharSize; | |
| 1645 fStart -= fCharSize; | |
| 1646 } else { | |
| 1647 fStart += fCharSize; | |
| 1648 } | |
| 1649 rect.height = fCharSize; | |
| 1650 } else { | |
| 1651 rect.left = fStart; | |
| 1652 if (bRTLPiece) { | |
| 1653 rect.left -= fCharSize; | |
| 1654 fStart -= fCharSize; | |
| 1655 } else { | |
| 1656 fStart += fCharSize; | |
| 1657 } | |
| 1658 rect.width = fCharSize; | |
| 1659 } | |
| 1660 if (bCharBBox && !bRet) { | |
| 1661 int32_t iCharWidth = 1000; | |
| 1662 pFont->GetCharWidth(wch, iCharWidth); | |
| 1663 FX_FLOAT fRTLeft = 0, fCharWidth = 0; | |
| 1664 if (iCharWidth > 0) { | |
| 1665 fCharWidth = iCharWidth * fScale; | |
| 1666 fRTLeft = fLeft; | |
| 1667 if (bCombText) { | |
| 1668 fRTLeft = (rect.width - fCharWidth) / 2.0f; | |
| 1669 } | |
| 1670 } | |
| 1671 CFX_RectF rtBBoxF; | |
| 1672 if (bVertical) { | |
| 1673 rtBBoxF.top = rect.left + fRTLeft; | |
| 1674 rtBBoxF.left = rect.top + (rect.height - fHeight) / 2.0f; | |
| 1675 rtBBoxF.height = fCharWidth; | |
| 1676 rtBBoxF.width = fHeight; | |
| 1677 rtBBoxF.left = std::max(rtBBoxF.left, 0.0f); | |
| 1678 } else { | |
| 1679 rtBBoxF.left = rect.left + fRTLeft; | |
| 1680 rtBBoxF.top = rect.top + (rect.height - fHeight) / 2.0f; | |
| 1681 rtBBoxF.width = fCharWidth; | |
| 1682 rtBBoxF.height = fHeight; | |
| 1683 rtBBoxF.top = std::max(rtBBoxF.top, 0.0f); | |
| 1684 } | |
| 1685 rtArray.SetAt(i, rtBBoxF); | |
| 1686 continue; | |
| 1687 } | |
| 1688 rtArray.SetAt(i, rect); | |
| 1689 } | |
| 1690 return iLength; | |
| 1691 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1803723002:
Move xfa/src up to xfa/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master