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)))
FPDF_MIN(const T & i,const T & j)23 template<class T> T FPDF_MIN (const T & i, const T & j)
24 {
25 return ((i < j) ? i : j);
26 }
FPDF_MAX(const T & i,const T & j)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:
CPVT_Size()34 CPVT_Size() : x(0.0f), y(0.0f)
35 {
36 }
CPVT_Size(FX_FLOAT x,FX_FLOAT y)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:
CPVT_FloatRect()47 CPVT_FloatRect()
48 {
49 left = top = right = bottom = 0.0f;
50 }
CPVT_FloatRect(FX_FLOAT left,FX_FLOAT top,FX_FLOAT right,FX_FLOAT bottom)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 }
CPVT_FloatRect(const CPDF_Rect & rect)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 }
Default()66 void Default()
67 {
68 left = top = right = bottom = 0.0f;
69 }
Height()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 {
CPVT_SectionInfoCPVT_SectionInfo80 CPVT_SectionInfo() : rcSection(), nTotalLine(0), pSecProps(NULL), pWordProps(NULL)
81 {
82 }
~CPVT_SectionInfoCPVT_SectionInfo83 virtual ~CPVT_SectionInfo()
84 {
85 if (pSecProps) {
86 delete pSecProps;
87 }
88 if (pWordProps) {
89 delete pWordProps;
90 }
91 }
CPVT_SectionInfoCPVT_SectionInfo92 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 {
CPVT_LineInfoCPVT_LineInfo124 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 {
CPVT_WordInfoCPVT_WordInfo138 CPVT_WordInfo() : Word(0), nCharset(0),
139 fWordX(0.0f), fWordY(0.0f), fWordTail(0.0f), nFontIndex(-1), pWordProps(NULL)
140 {
141 }
CPVT_WordInfoCPVT_WordInfo142 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 }
~CPVT_WordInfoCPVT_WordInfo147 virtual ~CPVT_WordInfo()
148 {
149 if (pWordProps) {
150 delete pWordProps;
151 }
152 }
CPVT_WordInfoCPVT_WordInfo153 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 {
CPVT_FloatRangeCPVT_FloatRange183 CPVT_FloatRange() : fMin(0.0f), fMax(0.0f)
184 {
185 }
CPVT_FloatRangeCPVT_FloatRange186 CPVT_FloatRange(FX_FLOAT min, FX_FLOAT max) : fMin(min), fMax(max)
187 {
188 }
RangeCPVT_FloatRange189 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:
IsEmpty()198 FX_BOOL IsEmpty()
199 {
200 return CFX_ArrayTemplate<TYPE>::GetSize() <= 0;
201 }
GetAt(int nIndex)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 }
RemoveAt(int nIndex)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:
CLines()231 CLines() : m_nTotal(0) {}
~CLines()232 virtual ~CLines()
233 {
234 RemoveAll();
235 }
GetSize()236 FX_INT32 GetSize() const
237 {
238 return m_Lines.GetSize();
239 }
GetAt(FX_INT32 nIndex)240 CLine * GetAt(FX_INT32 nIndex) const
241 {
242 return m_Lines.GetAt(nIndex);
243 }
Empty()244 void Empty()
245 {
246 m_nTotal = 0;
247 }
RemoveAll()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 }
Add(const CPVT_LineInfo & lineinfo)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 }
Clear()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:
CPDF_EditContainer()338 CPDF_EditContainer(): m_rcPlate(0, 0, 0, 0), m_rcContent(0, 0, 0, 0) {};
~CPDF_EditContainer()339 virtual ~CPDF_EditContainer() {};
SetPlateRect(const CPDF_Rect & rect)340 virtual void SetPlateRect(const CPDF_Rect & rect)
341 {
342 m_rcPlate = rect;
343 };
GetPlateRect()344 virtual const CPDF_Rect & GetPlateRect() const
345 {
346 return m_rcPlate;
347 };
SetContentRect(const CPVT_FloatRect & rect)348 virtual void SetContentRect(const CPVT_FloatRect & rect)
349 {
350 m_rcContent = rect;
351 };
GetContentRect()352 virtual CPDF_Rect GetContentRect() const
353 {
354 return m_rcContent;
355 };
GetPlateWidth()356 FX_FLOAT GetPlateWidth() const
357 {
358 return m_rcPlate.right - m_rcPlate.left;
359 };
GetPlateHeight()360 FX_FLOAT GetPlateHeight() const
361 {
362 return m_rcPlate.top - m_rcPlate.bottom;
363 };
GetPlateSize()364 CPVT_Size GetPlateSize() const
365 {
366 return CPVT_Size(GetPlateWidth(), GetPlateHeight());
367 };
GetBTPoint()368 CPDF_Point GetBTPoint() const
369 {
370 return CPDF_Point(m_rcPlate.left, m_rcPlate.top);
371 };
GetETPoint()372 CPDF_Point GetETPoint() const
373 {
374 return CPDF_Point(m_rcPlate.right, m_rcPlate.bottom);
375 };
InToOut(const CPDF_Point & point)376 inline CPDF_Point InToOut(const CPDF_Point & point) const
377 {
378 return CPDF_Point(point.x + GetBTPoint().x, GetBTPoint().y - point.y);
379 };
OutToIn(const CPDF_Point & point)380 inline CPDF_Point OutToIn(const CPDF_Point & point) const
381 {
382 return CPDF_Point(point.x - GetBTPoint().x, GetBTPoint().y - point.y);
383 };
InToOut(const CPVT_FloatRect & rect)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 };
OutToIn(const CPDF_Rect & rect)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();
SetPlateRect(const CPDF_Rect & rect)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 }
SetFontSize(FX_FLOAT fFontSize)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 }
SetRichText(FX_BOOL bRichText)455 void SetRichText(FX_BOOL bRichText)
456 {
457 m_bRichText = bRichText;
458 }
SetLineLeading(FX_FLOAT fLineLeading)459 void SetLineLeading(FX_FLOAT fLineLeading)
460 {
461 m_fLineLeading = fLineLeading;
462 }
463 void Initialize();
IsValid()464 FX_BOOL IsValid() const
465 {
466 return m_bInitial;
467 }
IsRichText()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);
GetPlateRect()486 const CPDF_Rect & GetPlateRect() const
487 {
488 return CPDF_EditContainer::GetPlateRect();
489 }
490 CPDF_Rect GetContentRect() const;
491 FX_INT32 GetTotalWords() const;
GetFontSize()492 FX_FLOAT GetFontSize() const
493 {
494 return m_fFontSize;
495 }
GetAlignment()496 FX_INT32 GetAlignment() const
497 {
498 return m_nAlignment;
499 }
GetCharArray()500 FX_INT32 GetCharArray() const
501 {
502 return m_nCharArray;
503 }
GetLimitChar()504 FX_INT32 GetLimitChar() const
505 {
506 return m_nLimitChar;
507 }
IsMultiLine()508 FX_BOOL IsMultiLine() const
509 {
510 return m_bMultiLine;
511 }
GetHorzScale()512 FX_INT32 GetHorzScale() const
513 {
514 return m_nHorzScale;
515 }
GetCharSpace()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;
GetPasswordChar()535 FX_WORD GetPasswordChar() const
536 {
537 return GetSubWord();
538 }
GetSubWord()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);
GetAt()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