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 #define _PDF_VT_H_ 8 class CPVT_Size; 9 class CPVT_FloatRect; 10 struct CPVT_SectionInfo; 11 struct CPVT_LineInfo; 12 struct CPVT_WordInfo; 13 class CLine; 14 class CLines; 15 class CSection; 16 class CTypeset; 17 class CPDF_EditContainer; 18 class CPDF_VariableText; 19 class CPDF_VariableText_Iterator; 20 #define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001) 21 #define IsFloatBigger(fa,fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb))) 22 #define IsFloatSmaller(fa,fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb))) 23 template<class T> T FPDF_MIN (const T & i, const T & j) 24 { 25 return ((i < j) ? i : j); 26 } 27 template<class T> T FPDF_MAX (const T & i, const T & j) 28 { 29 return ((i > j) ? i : j); 30 } 31 class CPVT_Size 32 { 33 public: 34 CPVT_Size() : x(0.0f), y(0.0f) 35 { 36 } 37 CPVT_Size(FX_FLOAT x, FX_FLOAT y) 38 { 39 this->x = x; 40 this->y = y; 41 } 42 FX_FLOAT x, y; 43 }; 44 class CPVT_FloatRect : public CFX_FloatRect 45 { 46 public: 47 CPVT_FloatRect() 48 { 49 left = top = right = bottom = 0.0f; 50 } 51 CPVT_FloatRect(FX_FLOAT left, FX_FLOAT top, 52 FX_FLOAT right, FX_FLOAT bottom) 53 { 54 this->left = left; 55 this->top = top; 56 this->right = right; 57 this->bottom = bottom; 58 } 59 CPVT_FloatRect(const CPDF_Rect & rect) 60 { 61 this->left = rect.left; 62 this->top = rect.top; 63 this->right = rect.right; 64 this->bottom = rect.bottom; 65 } 66 void Default() 67 { 68 left = top = right = bottom = 0.0f; 69 } 70 FX_FLOAT Height() const 71 { 72 if(this->top > this->bottom) { 73 return this->top - this->bottom; 74 } else { 75 return this->bottom - this->top; 76 } 77 } 78 }; 79 struct CPVT_SectionInfo { 80 CPVT_SectionInfo() : rcSection(), nTotalLine(0), pSecProps(NULL), pWordProps(NULL) 81 { 82 } 83 virtual ~CPVT_SectionInfo() 84 { 85 if (pSecProps) { 86 delete pSecProps; 87 } 88 if (pWordProps) { 89 delete pWordProps; 90 } 91 } 92 CPVT_SectionInfo(const CPVT_SectionInfo & other): rcSection(), nTotalLine(0), pSecProps(NULL), pWordProps(NULL) 93 { 94 operator = (other); 95 } 96 void operator = (const CPVT_SectionInfo & other) 97 { 98 if (this == &other) { 99 return; 100 } 101 this->rcSection = other.rcSection; 102 this->nTotalLine = other.nTotalLine; 103 if (other.pSecProps) { 104 if (pSecProps) { 105 *pSecProps = *other.pSecProps; 106 } else { 107 pSecProps = FX_NEW CPVT_SecProps(*other.pSecProps); 108 } 109 } 110 if (other.pWordProps) { 111 if (pWordProps) { 112 *pWordProps = *other.pWordProps; 113 } else { 114 pWordProps = FX_NEW CPVT_WordProps(*other.pWordProps); 115 } 116 } 117 } 118 CPVT_FloatRect rcSection; 119 FX_INT32 nTotalLine; 120 CPVT_SecProps* pSecProps; 121 CPVT_WordProps* pWordProps; 122 }; 123 struct CPVT_LineInfo { 124 CPVT_LineInfo() : nTotalWord(0), nBeginWordIndex(-1), nEndWordIndex(-1), 125 fLineX(0.0f), fLineY(0.0f), fLineWidth(0.0f), fLineAscent(0.0f), fLineDescent(0.0f) 126 { 127 } 128 FX_INT32 nTotalWord; 129 FX_INT32 nBeginWordIndex; 130 FX_INT32 nEndWordIndex; 131 FX_FLOAT fLineX; 132 FX_FLOAT fLineY; 133 FX_FLOAT fLineWidth; 134 FX_FLOAT fLineAscent; 135 FX_FLOAT fLineDescent; 136 }; 137 struct CPVT_WordInfo : public CFX_Object { 138 CPVT_WordInfo() : Word(0), nCharset(0), 139 fWordX(0.0f), fWordY(0.0f), fWordTail(0.0f), nFontIndex(-1), pWordProps(NULL) 140 { 141 } 142 CPVT_WordInfo(FX_WORD word, FX_INT32 charset, FX_INT32 fontIndex, CPVT_WordProps * pProps): 143 Word(word), nCharset(charset), fWordX(0.0f), fWordY(0.0f), fWordTail(0.0f), 144 nFontIndex(fontIndex), pWordProps(pProps) 145 { 146 } 147 virtual ~CPVT_WordInfo() 148 { 149 if (pWordProps) { 150 delete pWordProps; 151 } 152 } 153 CPVT_WordInfo(const CPVT_WordInfo & word): Word(0), nCharset(0), 154 fWordX(0.0f), fWordY(0.0f), fWordTail(0.0f), nFontIndex(-1), pWordProps(NULL) 155 { 156 operator = (word); 157 } 158 void operator = (const CPVT_WordInfo & word) 159 { 160 if (this == &word) { 161 return; 162 } 163 this->Word = word.Word; 164 this->nCharset = word.nCharset; 165 this->nFontIndex = word.nFontIndex; 166 if (word.pWordProps) { 167 if (pWordProps) { 168 *pWordProps = *word.pWordProps; 169 } else { 170 pWordProps = FX_NEW CPVT_WordProps(*word.pWordProps); 171 } 172 } 173 } 174 FX_WORD Word; 175 FX_INT32 nCharset; 176 FX_FLOAT fWordX; 177 FX_FLOAT fWordY; 178 FX_FLOAT fWordTail; 179 FX_INT32 nFontIndex; 180 CPVT_WordProps* pWordProps; 181 }; 182 struct CPVT_FloatRange { 183 CPVT_FloatRange() : fMin(0.0f), fMax(0.0f) 184 { 185 } 186 CPVT_FloatRange(FX_FLOAT min, FX_FLOAT max) : fMin(min), fMax(max) 187 { 188 } 189 FX_FLOAT Range() const 190 { 191 return fMax - fMin; 192 } 193 FX_FLOAT fMin, fMax; 194 }; 195 template<class TYPE> class CPVT_ArrayTemplate : public CFX_ArrayTemplate<TYPE> 196 { 197 public: 198 FX_BOOL IsEmpty() 199 { 200 return CFX_ArrayTemplate<TYPE>::GetSize() <= 0; 201 } 202 TYPE GetAt(int nIndex) const 203 { 204 if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize()) { 205 return CFX_ArrayTemplate<TYPE>::GetAt(nIndex); 206 } 207 return NULL; 208 } 209 void RemoveAt(int nIndex) 210 { 211 if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize()) { 212 CFX_ArrayTemplate<TYPE>::RemoveAt(nIndex); 213 } 214 } 215 }; 216 class CLine : public CFX_Object 217 { 218 public: 219 CLine(); 220 virtual ~CLine(); 221 CPVT_WordPlace GetBeginWordPlace() const; 222 CPVT_WordPlace GetEndWordPlace() const; 223 CPVT_WordPlace GetPrevWordPlace(const CPVT_WordPlace & place) const; 224 CPVT_WordPlace GetNextWordPlace(const CPVT_WordPlace & place) const; 225 CPVT_WordPlace LinePlace; 226 CPVT_LineInfo m_LineInfo; 227 }; 228 class CLines 229 { 230 public: 231 CLines() : m_nTotal(0) {} 232 virtual ~CLines() 233 { 234 RemoveAll(); 235 } 236 FX_INT32 GetSize() const 237 { 238 return m_Lines.GetSize(); 239 } 240 CLine * GetAt(FX_INT32 nIndex) const 241 { 242 return m_Lines.GetAt(nIndex); 243 } 244 void Empty() 245 { 246 m_nTotal = 0; 247 } 248 void RemoveAll() 249 { 250 for (FX_INT32 i = 0, sz = GetSize(); i < sz; i++) { 251 delete GetAt(i); 252 } 253 m_Lines.RemoveAll(); 254 m_nTotal = 0; 255 } 256 FX_INT32 Add(const CPVT_LineInfo & lineinfo) 257 { 258 if (m_nTotal >= GetSize()) { 259 if (CLine * pLine = FX_NEW CLine) { 260 pLine->m_LineInfo = lineinfo; 261 m_Lines.Add(pLine); 262 return m_nTotal++; 263 } 264 return m_nTotal; 265 } else { 266 if (CLine * pLine = GetAt(m_nTotal)) { 267 pLine->m_LineInfo = lineinfo; 268 } 269 return m_nTotal++; 270 } 271 } 272 void Clear() 273 { 274 for (FX_INT32 i = GetSize() - 1; i >= m_nTotal; i--) { 275 delete GetAt(i); 276 m_Lines.RemoveAt(i); 277 } 278 } 279 private: 280 CPVT_ArrayTemplate<CLine*> m_Lines; 281 FX_INT32 m_nTotal; 282 }; 283 class CSection : public CFX_Object 284 { 285 friend class CTypeset; 286 public: 287 CSection(CPDF_VariableText * pVT); 288 virtual ~CSection(); 289 void ResetAll(); 290 void ResetLineArray(); 291 void ResetWordArray(); 292 void ResetLinePlace(); 293 CPVT_WordPlace AddWord(const CPVT_WordPlace & place, const CPVT_WordInfo & wordinfo); 294 CPVT_WordPlace AddLine(const CPVT_LineInfo & lineinfo); 295 void ClearWords(const CPVT_WordRange & PlaceRange); 296 void ClearWord(const CPVT_WordPlace & place); 297 CPVT_FloatRect Rearrange(); 298 CPVT_Size GetSectionSize(FX_FLOAT fFontSize); 299 CPVT_WordPlace GetBeginWordPlace() const; 300 CPVT_WordPlace GetEndWordPlace() const; 301 CPVT_WordPlace GetPrevWordPlace(const CPVT_WordPlace & place) const; 302 CPVT_WordPlace GetNextWordPlace(const CPVT_WordPlace & place) const; 303 void UpdateWordPlace(CPVT_WordPlace & place) const; 304 CPVT_WordPlace SearchWordPlace(const CPDF_Point & point) const; 305 CPVT_WordPlace SearchWordPlace(FX_FLOAT fx, const CPVT_WordPlace & lineplace) const; 306 CPVT_WordPlace SearchWordPlace(FX_FLOAT fx, const CPVT_WordRange & range) const; 307 public: 308 CPVT_WordPlace SecPlace; 309 CPVT_SectionInfo m_SecInfo; 310 CLines m_LineArray; 311 CPVT_ArrayTemplate<CPVT_WordInfo*> m_WordArray; 312 private: 313 void ClearLeftWords(FX_INT32 nWordIndex); 314 void ClearRightWords(FX_INT32 nWordIndex); 315 void ClearMidWords(FX_INT32 nBeginIndex, FX_INT32 nEndIndex); 316 317 CPDF_VariableText *m_pVT; 318 }; 319 class CTypeset 320 { 321 public: 322 CTypeset(CSection * pSection); 323 virtual ~CTypeset(); 324 CPVT_Size GetEditSize(FX_FLOAT fFontSize); 325 CPVT_FloatRect Typeset(); 326 CPVT_FloatRect CharArray(); 327 private: 328 void SplitLines(FX_BOOL bTypeset, FX_FLOAT fFontSize); 329 void OutputLines(); 330 331 CPVT_FloatRect m_rcRet; 332 CPDF_VariableText * m_pVT; 333 CSection * m_pSection; 334 }; 335 class CPDF_EditContainer 336 { 337 public: 338 CPDF_EditContainer(): m_rcPlate(0, 0, 0, 0), m_rcContent(0, 0, 0, 0) {}; 339 virtual ~CPDF_EditContainer() {}; 340 virtual void SetPlateRect(const CPDF_Rect & rect) 341 { 342 m_rcPlate = rect; 343 }; 344 virtual const CPDF_Rect & GetPlateRect() const 345 { 346 return m_rcPlate; 347 }; 348 virtual void SetContentRect(const CPVT_FloatRect & rect) 349 { 350 m_rcContent = rect; 351 }; 352 virtual CPDF_Rect GetContentRect() const 353 { 354 return m_rcContent; 355 }; 356 FX_FLOAT GetPlateWidth() const 357 { 358 return m_rcPlate.right - m_rcPlate.left; 359 }; 360 FX_FLOAT GetPlateHeight() const 361 { 362 return m_rcPlate.top - m_rcPlate.bottom; 363 }; 364 CPVT_Size GetPlateSize() const 365 { 366 return CPVT_Size(GetPlateWidth(), GetPlateHeight()); 367 }; 368 CPDF_Point GetBTPoint() const 369 { 370 return CPDF_Point(m_rcPlate.left, m_rcPlate.top); 371 }; 372 CPDF_Point GetETPoint() const 373 { 374 return CPDF_Point(m_rcPlate.right, m_rcPlate.bottom); 375 }; 376 inline CPDF_Point InToOut(const CPDF_Point & point) const 377 { 378 return CPDF_Point(point.x + GetBTPoint().x, GetBTPoint().y - point.y); 379 }; 380 inline CPDF_Point OutToIn(const CPDF_Point & point) const 381 { 382 return CPDF_Point(point.x - GetBTPoint().x, GetBTPoint().y - point.y); 383 }; 384 inline CPDF_Rect InToOut(const CPVT_FloatRect & rect) const 385 { 386 CPDF_Point ptLeftTop = InToOut(CPDF_Point(rect.left, rect.top)); 387 CPDF_Point ptRightBottom = InToOut(CPDF_Point(rect.right, rect.bottom)); 388 return CPDF_Rect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x, ptLeftTop.y); 389 }; 390 inline CPVT_FloatRect OutToIn(const CPDF_Rect & rect) const 391 { 392 CPDF_Point ptLeftTop = OutToIn(CPDF_Point(rect.left, rect.top)); 393 CPDF_Point ptRightBottom = OutToIn(CPDF_Point(rect.right, rect.bottom)); 394 return CPVT_FloatRect(ptLeftTop.x, ptLeftTop.y, ptRightBottom.x, ptRightBottom.y); 395 }; 396 397 private: 398 CPDF_Rect m_rcPlate; 399 CPVT_FloatRect m_rcContent; 400 }; 401 class CPDF_VariableText : public IPDF_VariableText, public CFX_Object, private CPDF_EditContainer 402 { 403 friend class CTypeset; 404 friend class CSection; 405 friend class CPDF_VariableText_Iterator; 406 public: 407 CPDF_VariableText(); 408 virtual ~CPDF_VariableText(); 409 IPDF_VariableText_Provider* SetProvider(IPDF_VariableText_Provider * pProvider); 410 IPDF_VariableText_Iterator* GetIterator(); 411 void SetPlateRect(const CPDF_Rect & rect) 412 { 413 CPDF_EditContainer::SetPlateRect(rect); 414 } 415 void SetAlignment(FX_INT32 nFormat = 0) 416 { 417 m_nAlignment = nFormat; 418 } 419 void SetPasswordChar(FX_WORD wSubWord = '*') 420 { 421 m_wSubWord = wSubWord; 422 } 423 void SetLimitChar(FX_INT32 nLimitChar = 0) 424 { 425 m_nLimitChar = nLimitChar; 426 } 427 void SetCharSpace(FX_FLOAT fCharSpace = 0.0f) 428 { 429 m_fCharSpace = fCharSpace; 430 } 431 void SetHorzScale(FX_INT32 nHorzScale = 100) 432 { 433 m_nHorzScale = nHorzScale; 434 } 435 void SetMultiLine(FX_BOOL bMultiLine = TRUE) 436 { 437 m_bMultiLine = bMultiLine; 438 } 439 void SetAutoReturn(FX_BOOL bAuto = TRUE) 440 { 441 m_bLimitWidth = bAuto; 442 } 443 void SetFontSize(FX_FLOAT fFontSize) 444 { 445 m_fFontSize = fFontSize; 446 } 447 void SetCharArray(FX_INT32 nCharArray = 0) 448 { 449 m_nCharArray = nCharArray; 450 } 451 void SetAutoFontSize(FX_BOOL bAuto = TRUE) 452 { 453 m_bAutoFontSize = bAuto; 454 } 455 void SetRichText(FX_BOOL bRichText) 456 { 457 m_bRichText = bRichText; 458 } 459 void SetLineLeading(FX_FLOAT fLineLeading) 460 { 461 m_fLineLeading = fLineLeading; 462 } 463 void Initialize(); 464 FX_BOOL IsValid() const 465 { 466 return m_bInitial; 467 } 468 FX_BOOL IsRichText() const 469 { 470 return m_bRichText; 471 } 472 void RearrangeAll(); 473 void RearrangePart(const CPVT_WordRange & PlaceRange); 474 void ResetAll(); 475 void SetText(FX_LPCWSTR text, FX_INT32 charset = 1, const CPVT_SecProps * pSecProps = NULL, 476 const CPVT_WordProps * pWordProps = NULL); 477 CPVT_WordPlace InsertWord(const CPVT_WordPlace & place, FX_WORD word, FX_INT32 charset = 1, 478 const CPVT_WordProps * pWordProps = NULL); 479 CPVT_WordPlace InsertSection(const CPVT_WordPlace & place, const CPVT_SecProps * pSecProps = NULL, 480 const CPVT_WordProps * pWordProps = NULL); 481 CPVT_WordPlace InsertText(const CPVT_WordPlace & place, FX_LPCWSTR text, FX_INT32 charset = 1, 482 const CPVT_SecProps * pSecProps = NULL, const CPVT_WordProps * pWordProps = NULL); 483 CPVT_WordPlace DeleteWords(const CPVT_WordRange & PlaceRange); 484 CPVT_WordPlace DeleteWord(const CPVT_WordPlace & place); 485 CPVT_WordPlace BackSpaceWord(const CPVT_WordPlace & place); 486 const CPDF_Rect & GetPlateRect() const 487 { 488 return CPDF_EditContainer::GetPlateRect(); 489 } 490 CPDF_Rect GetContentRect() const; 491 FX_INT32 GetTotalWords() const; 492 FX_FLOAT GetFontSize() const 493 { 494 return m_fFontSize; 495 } 496 FX_INT32 GetAlignment() const 497 { 498 return m_nAlignment; 499 } 500 FX_INT32 GetCharArray() const 501 { 502 return m_nCharArray; 503 } 504 FX_INT32 GetLimitChar() const 505 { 506 return m_nLimitChar; 507 } 508 FX_BOOL IsMultiLine() const 509 { 510 return m_bMultiLine; 511 } 512 FX_INT32 GetHorzScale() const 513 { 514 return m_nHorzScale; 515 } 516 FX_FLOAT GetCharSpace() const 517 { 518 return m_fCharSpace; 519 } 520 521 inline CPVT_WordPlace GetBeginWordPlace() const; 522 inline CPVT_WordPlace GetEndWordPlace() const; 523 CPVT_WordPlace GetPrevWordPlace(const CPVT_WordPlace & place) const; 524 CPVT_WordPlace GetNextWordPlace(const CPVT_WordPlace & place) const; 525 CPVT_WordPlace SearchWordPlace(const CPDF_Point & point) const; 526 CPVT_WordPlace GetUpWordPlace(const CPVT_WordPlace & place, const CPDF_Point & point) const; 527 CPVT_WordPlace GetDownWordPlace(const CPVT_WordPlace & place, const CPDF_Point & point) const; 528 CPVT_WordPlace GetLineBeginPlace(const CPVT_WordPlace & place) const; 529 CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace & place) const; 530 CPVT_WordPlace GetSectionBeginPlace(const CPVT_WordPlace & place) const; 531 CPVT_WordPlace GetSectionEndPlace(const CPVT_WordPlace & place) const; 532 void UpdateWordPlace(CPVT_WordPlace & place) const; 533 FX_INT32 WordPlaceToWordIndex(const CPVT_WordPlace & place) const; 534 CPVT_WordPlace WordIndexToWordPlace(FX_INT32 index) const; 535 FX_WORD GetPasswordChar() const 536 { 537 return GetSubWord(); 538 } 539 FX_WORD GetSubWord() const 540 { 541 return m_wSubWord; 542 } 543 private: 544 FX_INT32 GetCharWidth(FX_INT32 nFontIndex, FX_WORD Word, FX_WORD SubWord, FX_INT32 nWordStyle); 545 FX_INT32 GetTypeAscent(FX_INT32 nFontIndex); 546 FX_INT32 GetTypeDescent(FX_INT32 nFontIndex); 547 FX_INT32 GetWordFontIndex(FX_WORD word, FX_INT32 charset, FX_INT32 nFontIndex); 548 FX_INT32 GetDefaultFontIndex(); 549 FX_BOOL IsLatinWord(FX_WORD word); 550 private: 551 552 CPVT_WordPlace AddSection(const CPVT_WordPlace & place, const CPVT_SectionInfo & secinfo); 553 CPVT_WordPlace AddLine(const CPVT_WordPlace & place, const CPVT_LineInfo & lineinfo); 554 CPVT_WordPlace AddWord(const CPVT_WordPlace & place, const CPVT_WordInfo & wordinfo); 555 FX_BOOL GetWordInfo(const CPVT_WordPlace & place, CPVT_WordInfo & wordinfo); 556 FX_BOOL SetWordInfo(const CPVT_WordPlace & place, const CPVT_WordInfo & wordinfo); 557 FX_BOOL GetLineInfo(const CPVT_WordPlace & place, CPVT_LineInfo & lineinfo); 558 FX_BOOL GetSectionInfo(const CPVT_WordPlace & place, CPVT_SectionInfo & secinfo); 559 FX_FLOAT GetWordFontSize(const CPVT_WordInfo & WordInfo, FX_BOOL bFactFontSize = FALSE); 560 FX_FLOAT GetWordWidth(FX_INT32 nFontIndex, FX_WORD Word, FX_WORD SubWord, 561 FX_FLOAT fCharSpace, FX_INT32 nHorzScale, 562 FX_FLOAT fFontSize, FX_FLOAT fWordTail, FX_INT32 nWordStyle); 563 FX_FLOAT GetWordWidth(const CPVT_WordInfo & WordInfo); 564 FX_FLOAT GetWordAscent(const CPVT_WordInfo & WordInfo, FX_FLOAT fFontSize); 565 FX_FLOAT GetWordDescent(const CPVT_WordInfo & WordInfo, FX_FLOAT fFontSize); 566 FX_FLOAT GetWordAscent(const CPVT_WordInfo & WordInfo, FX_BOOL bFactFontSize = FALSE); 567 FX_FLOAT GetWordDescent(const CPVT_WordInfo & WordInfo, FX_BOOL bFactFontSize = FALSE); 568 FX_FLOAT GetLineAscent(const CPVT_SectionInfo & SecInfo); 569 FX_FLOAT GetLineDescent(const CPVT_SectionInfo & SecInfo); 570 FX_FLOAT GetFontAscent(FX_INT32 nFontIndex, FX_FLOAT fFontSize); 571 FX_FLOAT GetFontDescent(FX_INT32 nFontIndex, FX_FLOAT fFontSize); 572 FX_INT32 GetWordFontIndex(const CPVT_WordInfo & WordInfo); 573 FX_FLOAT GetCharSpace(const CPVT_WordInfo & WordInfo); 574 FX_INT32 GetHorzScale(const CPVT_WordInfo & WordInfo); 575 FX_FLOAT GetLineLeading(const CPVT_SectionInfo & SecInfo); 576 FX_FLOAT GetLineIndent(const CPVT_SectionInfo & SecInfo); 577 FX_INT32 GetAlignment(const CPVT_SectionInfo& SecInfo); 578 579 void ClearSectionRightWords(const CPVT_WordPlace & place); 580 CPVT_WordPlace AjustLineHeader(const CPVT_WordPlace & place, FX_BOOL bPrevOrNext) const; 581 FX_BOOL ClearEmptySection(const CPVT_WordPlace & place); 582 void ClearEmptySections(const CPVT_WordRange & PlaceRange); 583 void LinkLatterSection(const CPVT_WordPlace & place); 584 void ClearWords(const CPVT_WordRange & PlaceRange); 585 CPVT_WordPlace ClearLeftWord(const CPVT_WordPlace & place); 586 CPVT_WordPlace ClearRightWord(const CPVT_WordPlace & place); 587 private: 588 CPVT_FloatRect Rearrange(const CPVT_WordRange & PlaceRange); 589 FX_FLOAT GetAutoFontSize(); 590 FX_BOOL IsBigger(FX_FLOAT fFontSize); 591 CPVT_FloatRect RearrangeSections(const CPVT_WordRange & PlaceRange); 592 private: 593 void ResetSectionArray(); 594 private: 595 CPVT_ArrayTemplate<CSection*> m_SectionArray; 596 FX_INT32 m_nLimitChar; 597 FX_INT32 m_nCharArray; 598 FX_BOOL m_bMultiLine; 599 FX_BOOL m_bLimitWidth; 600 FX_BOOL m_bAutoFontSize; 601 FX_INT32 m_nAlignment; 602 FX_FLOAT m_fLineLeading; 603 FX_FLOAT m_fCharSpace; 604 FX_INT32 m_nHorzScale; 605 FX_WORD m_wSubWord; 606 FX_FLOAT m_fWordSpace; 607 FX_FLOAT m_fFontSize; 608 609 private: 610 FX_BOOL m_bInitial; 611 FX_BOOL m_bRichText; 612 FX_FLOAT m_fCaretOriginX; 613 FX_INT32 m_nCurFontIndex; 614 IPDF_VariableText_Provider * m_pVTProvider; 615 CPDF_VariableText_Iterator * m_pVTIterator; 616 }; 617 class CPDF_VariableText_Iterator : public IPDF_VariableText_Iterator, public CFX_Object 618 { 619 public: 620 CPDF_VariableText_Iterator(CPDF_VariableText * pVT); 621 virtual ~CPDF_VariableText_Iterator(); 622 FX_BOOL NextWord(); 623 FX_BOOL PrevWord(); 624 FX_BOOL NextLine(); 625 FX_BOOL PrevLine(); 626 FX_BOOL NextSection(); 627 FX_BOOL PrevSection(); 628 FX_BOOL SetWord(const CPVT_Word & word); 629 FX_BOOL GetWord(CPVT_Word & word) const; 630 FX_BOOL GetLine(CPVT_Line & line) const; 631 FX_BOOL GetSection(CPVT_Section & section) const; 632 FX_BOOL SetSection(const CPVT_Section & section); 633 void SetAt(FX_INT32 nWordIndex); 634 void SetAt(const CPVT_WordPlace & place); 635 const CPVT_WordPlace & GetAt() const 636 { 637 return m_CurPos; 638 }; 639 private: 640 CPVT_WordPlace m_CurPos; 641 CPDF_VariableText * m_pVT; 642 }; 643
