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 "../../include/fpdfapi/fpdf_resource.h"
8 #include "../../include/fpdfapi/fpdf_pageobj.h"
9 #include "../../include/fpdftext/fpdf_text.h"
10 #include "../../include/fpdfapi/fpdf_page.h"
11 #include "../../include/fpdfapi/fpdf_module.h"
12 #include <ctype.h>
13 #include "text_int.h"
_IsIgnoreSpaceCharacter(FX_WCHAR curChar)14 FX_BOOL _IsIgnoreSpaceCharacter(FX_WCHAR curChar)
15 {
16 if(curChar < 255 ) {
17 return FALSE;
18 }
19 if ( (curChar >= 0x0600 && curChar <= 0x06FF)
20 || (curChar >= 0xFE70 && curChar <= 0xFEFF)
21 || (curChar >= 0xFB50 && curChar <= 0xFDFF)
22 || (curChar >= 0x0400 && curChar <= 0x04FF)
23 || (curChar >= 0x0500 && curChar <= 0x052F)
24 || (curChar >= 0xA640 && curChar <= 0xA69F)
25 || (curChar >= 0x2DE0 && curChar <= 0x2DFF)
26 || curChar == 8467
27 || (curChar >= 0x2000 && curChar <= 0x206F)) {
28 return FALSE;
29 }
30 return TRUE;
31 }
CPDFText_ParseOptions()32 CPDFText_ParseOptions::CPDFText_ParseOptions()
33 : m_bGetCharCodeOnly(FALSE), m_bNormalizeObjs(TRUE), m_bOutputHyphen(FALSE)
34 {
35 }
CreateTextPage(const CPDF_Page * pPage,CPDFText_ParseOptions ParserOptions)36 IPDF_TextPage* IPDF_TextPage::CreateTextPage(const CPDF_Page* pPage, CPDFText_ParseOptions ParserOptions)
37 {
38 CPDF_TextPage* pTextPageEx = FX_NEW CPDF_TextPage(pPage, ParserOptions);
39 return pTextPageEx;
40 }
CreateTextPage(const CPDF_Page * pPage,int flags)41 IPDF_TextPage* IPDF_TextPage::CreateTextPage(const CPDF_Page* pPage, int flags)
42 {
43 CPDF_TextPage* pTextPage = FX_NEW CPDF_TextPage(pPage, flags);
44 return pTextPage;
45 }
CreateTextPage(const CPDF_PageObjects * pObjs,int flags)46 IPDF_TextPage* IPDF_TextPage::CreateTextPage(const CPDF_PageObjects* pObjs, int flags)
47 {
48 CPDF_TextPage* pTextPage = FX_NEW CPDF_TextPage(pObjs, flags);
49 return pTextPage;
50 }
CreatePageFind(const IPDF_TextPage * pTextPage)51 IPDF_TextPageFind* IPDF_TextPageFind::CreatePageFind(const IPDF_TextPage* pTextPage)
52 {
53 if (!pTextPage) {
54 return NULL;
55 }
56 return FX_NEW CPDF_TextPageFind(pTextPage);
57 }
CreateLinkExtract()58 IPDF_LinkExtract* IPDF_LinkExtract::CreateLinkExtract()
59 {
60 return FX_NEW CPDF_LinkExtract();
61 }
62 #define TEXT_BLANK_CHAR L' '
63 #define TEXT_LINEFEED_CHAR L'\n'
64 #define TEXT_RETURN_CHAR L'\r'
65 #define TEXT_EMPTY L""
66 #define TEXT_BLANK L" "
67 #define TEXT_RETURN_LINEFEED L"\r\n"
68 #define TEXT_LINEFEED L"\n"
69 #define TEXT_CHARRATIO_GAPDELTA 0.070
CPDF_TextPage(const CPDF_Page * pPage,int flags)70 CPDF_TextPage::CPDF_TextPage(const CPDF_Page* pPage, int flags)
71 : m_pPreTextObj(NULL),
72 m_IsParsered(FALSE),
73 m_charList(512),
74 m_TempCharList(50),
75 m_TextlineDir(-1),
76 m_CurlineRect(0, 0, 0, 0)
77 {
78 m_pPage = pPage;
79 m_parserflag = flags;
80 m_TextBuf.EstimateSize(0, 10240);
81 pPage->GetDisplayMatrix(m_DisplayMatrix, 0, 0, (int) pPage->GetPageWidth(), (int)pPage->GetPageHeight(), 0);
82 }
CPDF_TextPage(const CPDF_Page * pPage,CPDFText_ParseOptions ParserOptions)83 CPDF_TextPage::CPDF_TextPage(const CPDF_Page* pPage, CPDFText_ParseOptions ParserOptions)
84 : m_pPreTextObj(NULL)
85 , m_IsParsered(FALSE)
86 , m_charList(512)
87 , m_TempCharList(50)
88 , m_TextlineDir(-1)
89 , m_CurlineRect(0, 0, 0, 0)
90 , m_ParseOptions(ParserOptions)
91 {
92 m_pPage = pPage;
93 m_parserflag = 0;
94 m_TextBuf.EstimateSize(0, 10240);
95 pPage->GetDisplayMatrix(m_DisplayMatrix, 0, 0, (int) pPage->GetPageWidth(), (int)pPage->GetPageHeight(), 0);
96 }
CPDF_TextPage(const CPDF_PageObjects * pPage,int flags)97 CPDF_TextPage::CPDF_TextPage(const CPDF_PageObjects* pPage, int flags)
98 : m_pPreTextObj(NULL),
99 m_IsParsered(FALSE),
100 m_charList(512),
101 m_TempCharList(50),
102 m_TextlineDir(-1),
103 m_CurlineRect(0, 0, 0, 0)
104 {
105 m_pPage = pPage;
106 m_parserflag = flags;
107 m_TextBuf.EstimateSize(0, 10240);
108 CFX_FloatRect pageRect = pPage->CalcBoundingBox();
109 m_DisplayMatrix = CFX_AffineMatrix(1, 0, 0, -1, pageRect.right, pageRect.top);
110 }
NormalizeObjects(FX_BOOL bNormalize)111 void CPDF_TextPage::NormalizeObjects(FX_BOOL bNormalize)
112 {
113 m_ParseOptions.m_bNormalizeObjs = bNormalize;
114 }
IsControlChar(PAGECHAR_INFO * pCharInfo)115 FX_BOOL CPDF_TextPage::IsControlChar(PAGECHAR_INFO* pCharInfo)
116 {
117 if(!pCharInfo) {
118 return FALSE;
119 }
120 switch(pCharInfo->m_Unicode) {
121 case 0x2:
122 case 0x3:
123 case 0x93:
124 case 0x94:
125 case 0x96:
126 case 0x97:
127 case 0x98:
128 case 0xfffe:
129 if(pCharInfo->m_Flag == FPDFTEXT_CHAR_HYPHEN) {
130 return FALSE;
131 } else {
132 return TRUE;
133 }
134 default:
135 return FALSE;
136 }
137 }
ParseTextPage()138 FX_BOOL CPDF_TextPage::ParseTextPage()
139 {
140 if (!m_pPage) {
141 m_IsParsered = FALSE;
142 return FALSE;
143 }
144 m_IsParsered = FALSE;
145 m_TextBuf.Clear();
146 m_charList.RemoveAll();
147 m_pPreTextObj = NULL;
148 ProcessObject();
149 m_IsParsered = TRUE;
150 if(!m_ParseOptions.m_bGetCharCodeOnly) {
151 m_CharIndex.RemoveAll();
152 int nCount = m_charList.GetSize();
153 if(nCount) {
154 m_CharIndex.Add(0);
155 }
156 for(int i = 0; i < nCount; i++) {
157 int indexSize = m_CharIndex.GetSize();
158 FX_BOOL bNormal = FALSE;
159 PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(i);
160 if(charinfo.m_Flag == FPDFTEXT_CHAR_GENERATED) {
161 bNormal = TRUE;
162 }
163 #ifdef FOXIT_CHROME_BUILD
164 else if(charinfo.m_Unicode == 0 || IsControlChar(&charinfo))
165 #else
166 else if(charinfo.m_Unicode == 0)
167 #endif
168 bNormal = FALSE;
169 else {
170 bNormal = TRUE;
171 }
172 if(bNormal) {
173 if(indexSize % 2) {
174 m_CharIndex.Add(1);
175 } else {
176 if(indexSize <= 0) {
177 continue;
178 }
179 m_CharIndex.SetAt(indexSize - 1, m_CharIndex.GetAt(indexSize - 1) + 1);
180 }
181 } else {
182 if(indexSize % 2) {
183 if(indexSize <= 0) {
184 continue;
185 }
186 m_CharIndex.SetAt(indexSize - 1, i + 1);
187 } else {
188 m_CharIndex.Add(i + 1);
189 }
190 }
191 }
192 int indexSize = m_CharIndex.GetSize();
193 if(indexSize % 2) {
194 m_CharIndex.RemoveAt(indexSize - 1);
195 }
196 }
197 return TRUE;
198 }
CountChars() const199 int CPDF_TextPage::CountChars() const
200 {
201 if(m_ParseOptions.m_bGetCharCodeOnly) {
202 return m_TextBuf.GetSize();
203 }
204 return m_charList.GetSize();
205 }
CharIndexFromTextIndex(int TextIndex) const206 int CPDF_TextPage::CharIndexFromTextIndex(int TextIndex) const
207 {
208 int indexSize = m_CharIndex.GetSize();
209 int count = 0;
210 for(int i = 0; i < indexSize; i += 2) {
211 count += m_CharIndex.GetAt(i + 1);
212 if(count > TextIndex) {
213 return TextIndex - count + m_CharIndex.GetAt(i + 1) + m_CharIndex.GetAt(i);
214 }
215 }
216 return -1;
217 }
TextIndexFromCharIndex(int CharIndex) const218 int CPDF_TextPage::TextIndexFromCharIndex(int CharIndex) const
219 {
220 int indexSize = m_CharIndex.GetSize();
221 int count = 0;
222 for(int i = 0; i < indexSize; i += 2) {
223 count += m_CharIndex.GetAt(i + 1);
224 if(m_CharIndex.GetAt(i + 1) + m_CharIndex.GetAt(i) > CharIndex) {
225 if(CharIndex - m_CharIndex.GetAt(i) < 0) {
226 return -1;
227 }
228 return CharIndex - m_CharIndex.GetAt(i) + count - m_CharIndex.GetAt(i + 1);
229 }
230 }
231 return -1;
232 }
GetRectArray(int start,int nCount,CFX_RectArray & rectArray) const233 void CPDF_TextPage::GetRectArray(int start, int nCount, CFX_RectArray& rectArray) const
234 {
235 if(m_ParseOptions.m_bGetCharCodeOnly) {
236 return;
237 }
238 if(start < 0 || nCount == 0) {
239 return;
240 }
241 if (!m_IsParsered) {
242 return;
243 }
244 PAGECHAR_INFO info_curchar;
245 CPDF_TextObject* pCurObj = NULL;
246 CFX_FloatRect rect;
247 int curPos = start;
248 FX_BOOL flagNewRect = TRUE;
249 if (nCount + start > m_charList.GetSize() || nCount == -1) {
250 nCount = m_charList.GetSize() - start;
251 }
252 while (nCount--) {
253 info_curchar = *(PAGECHAR_INFO*)m_charList.GetAt(curPos++);
254 if (info_curchar.m_Flag == FPDFTEXT_CHAR_GENERATED) {
255 continue;
256 }
257 if(info_curchar.m_CharBox.Width() < 0.01 || info_curchar.m_CharBox.Height() < 0.01) {
258 continue;
259 }
260 if(!pCurObj) {
261 pCurObj = info_curchar.m_pTextObj;
262 }
263 if (pCurObj != info_curchar.m_pTextObj) {
264 rectArray.Add(rect);
265 pCurObj = info_curchar.m_pTextObj;
266 flagNewRect = TRUE;
267 }
268 if (flagNewRect) {
269 FX_FLOAT orgX = info_curchar.m_OriginX, orgY = info_curchar.m_OriginY;
270 CFX_AffineMatrix matrix, matrix_reverse;
271 info_curchar.m_pTextObj->GetTextMatrix(&matrix);
272 matrix.Concat(info_curchar.m_Matrix);
273 matrix_reverse.SetReverse(matrix);
274 matrix_reverse.Transform(orgX, orgY);
275 rect.left = info_curchar.m_CharBox.left;
276 rect.right = info_curchar.m_CharBox.right;
277 if (pCurObj->GetFont()->GetTypeDescent()) {
278 rect.bottom = orgY + pCurObj->GetFont()->GetTypeDescent() * pCurObj->GetFontSize() / 1000;
279 FX_FLOAT xPosTemp = orgX;
280 matrix.Transform(xPosTemp, rect.bottom);
281 } else {
282 rect.bottom = info_curchar.m_CharBox.bottom;
283 }
284 if (pCurObj->GetFont()->GetTypeAscent()) {
285 rect.top = orgY + pCurObj->GetFont()->GetTypeAscent() * pCurObj->GetFontSize() / 1000;
286 FX_FLOAT xPosTemp = orgX + GetCharWidth(info_curchar.m_CharCode, pCurObj->GetFont()) * pCurObj->GetFontSize() / 1000;
287 matrix.Transform(xPosTemp, rect.top);
288 } else {
289 rect.top = info_curchar.m_CharBox.top;
290 }
291 flagNewRect = FALSE;
292 rect = info_curchar.m_CharBox;
293 rect.Normalize();
294 } else {
295 info_curchar.m_CharBox.Normalize();
296 if (rect.left > info_curchar.m_CharBox.left) {
297 rect.left = info_curchar.m_CharBox.left;
298 }
299 if (rect.right < info_curchar.m_CharBox.right) {
300 rect.right = info_curchar.m_CharBox.right;
301 }
302 if ( rect.top < info_curchar.m_CharBox.top) {
303 rect.top = info_curchar.m_CharBox.top;
304 }
305 if (rect.bottom > info_curchar.m_CharBox.bottom) {
306 rect.bottom = info_curchar.m_CharBox.bottom;
307 }
308 }
309 }
310 rectArray.Add(rect);
311 return;
312 }
GetIndexAtPos(CPDF_Point point,FX_FLOAT xTorelance,FX_FLOAT yTorelance) const313 int CPDF_TextPage::GetIndexAtPos(CPDF_Point point , FX_FLOAT xTorelance, FX_FLOAT yTorelance) const
314 {
315 if(m_ParseOptions.m_bGetCharCodeOnly) {
316 return -3;
317 }
318 if (!m_IsParsered) {
319 return -3;
320 }
321 FX_FLOAT distance = 0;
322 int pos = 0;
323 int NearPos = -1;
324 double xdif = 5000, ydif = 5000;
325 while(pos < m_charList.GetSize()) {
326 PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)(m_charList.GetAt(pos));
327 CFX_FloatRect charrect = charinfo.m_CharBox;
328 if (charrect.Contains(point.x, point.y)) {
329 break;
330 }
331 if (xTorelance > 0 || yTorelance > 0) {
332 CFX_FloatRect charRectExt;
333 charrect.Normalize();
334 charRectExt.left = charrect.left - xTorelance / 2;
335 charRectExt.right = charrect.right + xTorelance / 2;
336 charRectExt.top = charrect.top + yTorelance / 2;
337 charRectExt.bottom = charrect.bottom - yTorelance / 2;
338 if (charRectExt.Contains(point.x, point.y)) {
339 double curXdif, curYdif;
340 curXdif = FXSYS_fabs(point.x - charrect.left) < FXSYS_fabs(point.x - charrect.right) ? FXSYS_fabs(point.x - charrect.left) : FXSYS_fabs(point.x - charrect.right);
341 curYdif = FXSYS_fabs(point.y - charrect.bottom) < FXSYS_fabs(point.y - charrect.top ) ? FXSYS_fabs(point.y - charrect.bottom) : FXSYS_fabs(point.y - charrect.top);
342 if (curYdif + curXdif < xdif + ydif) {
343 ydif = curYdif;
344 xdif = curXdif;
345 NearPos = pos;
346 }
347 }
348 }
349 ++pos;
350 }
351 if (pos >= m_charList.GetSize()) {
352 pos = NearPos;
353 }
354 return pos;
355 }
GetTextByRect(CFX_FloatRect rect) const356 CFX_WideString CPDF_TextPage::GetTextByRect(CFX_FloatRect rect) const
357 {
358 CFX_WideString strText;
359 if(m_ParseOptions.m_bGetCharCodeOnly || !m_IsParsered) {
360 return strText;
361 }
362 int nCount = m_charList.GetSize();
363 int pos = 0;
364 FX_FLOAT posy = 0;
365 FX_BOOL IsContainPreChar = FALSE;
366 FX_BOOL ISAddLineFeed = FALSE;
367 while (pos < nCount) {
368 PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(pos++);
369 if (IsRectIntersect(rect, charinfo.m_CharBox)) {
370 if (FXSYS_fabs(posy - charinfo.m_OriginY) > 0 && !IsContainPreChar && ISAddLineFeed) {
371 posy = charinfo.m_OriginY;
372 if (strText.GetLength() > 0) {
373 strText += L"\r\n";
374 }
375 }
376 IsContainPreChar = TRUE;
377 ISAddLineFeed = FALSE;
378 if (charinfo.m_Unicode) {
379 strText += charinfo.m_Unicode;
380 }
381 } else if (charinfo.m_Unicode == 32) {
382 if (IsContainPreChar && charinfo.m_Unicode) {
383 strText += charinfo.m_Unicode;
384 IsContainPreChar = FALSE;
385 ISAddLineFeed = FALSE;
386 }
387 } else {
388 IsContainPreChar = FALSE;
389 ISAddLineFeed = TRUE;
390 }
391 }
392 return strText;
393 }
GetRectsArrayByRect(CFX_FloatRect rect,CFX_RectArray & resRectArray) const394 void CPDF_TextPage::GetRectsArrayByRect(CFX_FloatRect rect, CFX_RectArray& resRectArray) const
395 {
396 if(m_ParseOptions.m_bGetCharCodeOnly) {
397 return;
398 }
399 if (!m_IsParsered) {
400 return;
401 }
402 CFX_FloatRect curRect;
403 FX_BOOL flagNewRect = TRUE;
404 CPDF_TextObject* pCurObj = NULL;
405 int nCount = m_charList.GetSize();
406 int pos = 0;
407 while (pos < nCount) {
408 PAGECHAR_INFO info_curchar = *(PAGECHAR_INFO*)m_charList.GetAt(pos++);
409 if (info_curchar.m_Flag == FPDFTEXT_CHAR_GENERATED) {
410 continue;
411 }
412 if(pos == 494) {
413 int a = 0;
414 }
415 if (IsRectIntersect(rect, info_curchar.m_CharBox)) {
416 if(!pCurObj) {
417 pCurObj = info_curchar.m_pTextObj;
418 }
419 if (pCurObj != info_curchar.m_pTextObj) {
420 resRectArray.Add(curRect);
421 pCurObj = info_curchar.m_pTextObj;
422 flagNewRect = TRUE;
423 }
424 if (flagNewRect) {
425 curRect = info_curchar.m_CharBox;
426 flagNewRect = FALSE;
427 curRect.Normalize();
428 } else {
429 info_curchar.m_CharBox.Normalize();
430 if (curRect.left > info_curchar.m_CharBox.left) {
431 curRect.left = info_curchar.m_CharBox.left;
432 }
433 if (curRect.right < info_curchar.m_CharBox.right) {
434 curRect.right = info_curchar.m_CharBox.right;
435 }
436 if ( curRect.top < info_curchar.m_CharBox.top) {
437 curRect.top = info_curchar.m_CharBox.top;
438 }
439 if (curRect.bottom > info_curchar.m_CharBox.bottom) {
440 curRect.bottom = info_curchar.m_CharBox.bottom;
441 }
442 }
443 }
444 }
445 resRectArray.Add(curRect);
446 return;
447 }
GetIndexAtPos(FX_FLOAT x,FX_FLOAT y,FX_FLOAT xTorelance,FX_FLOAT yTorelance) const448 int CPDF_TextPage::GetIndexAtPos(FX_FLOAT x, FX_FLOAT y, FX_FLOAT xTorelance, FX_FLOAT yTorelance) const
449 {
450 if(m_ParseOptions.m_bGetCharCodeOnly) {
451 return -3;
452 }
453 CPDF_Point point(x, y);
454 return GetIndexAtPos(point, xTorelance, yTorelance);
455 }
GetOrderByDirection(int order,int direction) const456 int CPDF_TextPage::GetOrderByDirection(int order, int direction) const
457 {
458 if(m_ParseOptions.m_bGetCharCodeOnly) {
459 return -3;
460 }
461 if (!m_IsParsered) {
462 return -3;
463 }
464 if (direction == FPDFTEXT_RIGHT || direction == FPDFTEXT_LEFT) {
465 order += direction;
466 while(order >= 0 && order < m_charList.GetSize()) {
467 PAGECHAR_INFO cinfo = *(PAGECHAR_INFO*)m_charList.GetAt(order);
468 if (cinfo.m_Flag != FPDFTEXT_CHAR_GENERATED) {
469 break;
470 } else {
471 if (cinfo.m_Unicode == TEXT_LINEFEED_CHAR || cinfo.m_Unicode == TEXT_RETURN_CHAR) {
472 order += direction;
473 } else {
474 break;
475 }
476 }
477 }
478 if (order >= m_charList.GetSize()) {
479 order = -2;
480 }
481 return order;
482 }
483 PAGECHAR_INFO charinfo;
484 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(order);
485 CPDF_Point curPos(charinfo.m_OriginX, charinfo.m_OriginY);
486 FX_FLOAT difPosY = 0.0, minXdif = 1000;
487 int minIndex = -2;
488 int index = order;
489 FX_FLOAT height = charinfo.m_CharBox.Height();
490 if (direction == FPDFTEXT_UP) {
491 minIndex = -1;
492 while (1) {
493 if (--index < 0) {
494 return -1;
495 }
496 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
497 if (FXSYS_fabs(charinfo.m_OriginY - curPos.y) > FX_MAX(height, charinfo.m_CharBox.Height()) / 2) {
498 difPosY = charinfo.m_OriginY;
499 minIndex = index;
500 break;
501 }
502 }
503 FX_FLOAT PreXdif = charinfo.m_OriginX - curPos.x;
504 minXdif = PreXdif;
505 if (PreXdif == 0) {
506 return index;
507 }
508 FX_FLOAT curXdif = 0;
509 while (--index >= 0) {
510 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
511 if (difPosY != charinfo.m_OriginY) {
512 break;
513 }
514 curXdif = charinfo.m_OriginX - curPos.x;
515 if (curXdif == 0) {
516 return index;
517 }
518 int signflag = 0;
519 if (curXdif > 0) {
520 signflag = 1;
521 } else {
522 signflag = -1;
523 }
524 if (signflag * PreXdif < 0) {
525 if (FXSYS_fabs(PreXdif) < FXSYS_fabs(curXdif)) {
526 return index + 1;
527 } else {
528 return index;
529 }
530 }
531 if (FXSYS_fabs(curXdif) < FXSYS_fabs(minXdif)) {
532 minIndex = index;
533 minXdif = curXdif;
534 }
535 PreXdif = curXdif;
536 if (difPosY != charinfo.m_OriginY) {
537 break;
538 }
539 }
540 return minIndex;
541 } else if(FPDFTEXT_DOWN) {
542 minIndex = -2;
543 while (1) {
544 if (++index > m_charList.GetSize() - 1) {
545 return minIndex;
546 }
547 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
548 if (FXSYS_fabs(charinfo.m_OriginY - curPos.y) > FX_MAX(height, charinfo.m_CharBox.Height()) / 2) {
549 difPosY = charinfo.m_OriginY;
550 minIndex = index;
551 break;
552 }
553 }
554 FX_FLOAT PreXdif = charinfo.m_OriginX - curPos.x;
555 minXdif = PreXdif;
556 if (PreXdif == 0) {
557 return index;
558 }
559 FX_FLOAT curXdif = 0;
560 while (++index < m_charList.GetSize()) {
561 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
562 if (difPosY != charinfo.m_OriginY) {
563 break;
564 }
565 curXdif = charinfo.m_OriginX - curPos.x;
566 if (curXdif == 0) {
567 return index;
568 }
569 int signflag = 0;
570 if (curXdif > 0) {
571 signflag = 1;
572 } else {
573 signflag = -1;
574 }
575 if (signflag * PreXdif < 0) {
576 if (FXSYS_fabs(PreXdif) < FXSYS_fabs(curXdif)) {
577 return index - 1;
578 } else {
579 return index;
580 }
581 }
582 if (FXSYS_fabs(curXdif) < FXSYS_fabs(minXdif)) {
583 minXdif = curXdif;
584 minIndex = index;
585 }
586 PreXdif = curXdif;
587 }
588 return minIndex;
589 }
590 }
GetCharInfo(int index,FPDF_CHAR_INFO & info) const591 void CPDF_TextPage::GetCharInfo(int index, FPDF_CHAR_INFO & info) const
592 {
593 if(m_ParseOptions.m_bGetCharCodeOnly) {
594 return;
595 }
596 if (!m_IsParsered) {
597 return;
598 }
599 if (index < 0 || index >= m_charList.GetSize()) {
600 return;
601 }
602 PAGECHAR_INFO charinfo;
603 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
604 info.m_Charcode = charinfo.m_CharCode;
605 info.m_OriginX = charinfo.m_OriginX;
606 info.m_OriginY = charinfo.m_OriginY;
607 info.m_Unicode = charinfo.m_Unicode;
608 info.m_Flag = charinfo.m_Flag;
609 info.m_CharBox = charinfo.m_CharBox;
610 info.m_pTextObj = charinfo.m_pTextObj;
611 if (charinfo.m_pTextObj && charinfo.m_pTextObj->GetFont()) {
612 info.m_FontSize = charinfo.m_pTextObj->GetFontSize();
613 }
614 info.m_Matrix.Copy(charinfo.m_Matrix);
615 return;
616 }
CheckMarkedContentObject(FX_INT32 & start,FX_INT32 & nCount) const617 void CPDF_TextPage::CheckMarkedContentObject(FX_INT32& start, FX_INT32& nCount) const
618 {
619 PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start);
620 PAGECHAR_INFO charinfo2 = *(PAGECHAR_INFO*)m_charList.GetAt(start + nCount - 1);
621 if (FPDFTEXT_CHAR_PIECE != charinfo.m_Flag && FPDFTEXT_CHAR_PIECE != charinfo2.m_Flag) {
622 return;
623 }
624 if (FPDFTEXT_CHAR_PIECE == charinfo.m_Flag) {
625 PAGECHAR_INFO charinfo1 = charinfo;
626 int startIndex = start;
627 while(FPDFTEXT_CHAR_PIECE == charinfo1.m_Flag && charinfo1.m_Index == charinfo.m_Index) {
628 startIndex--;
629 if (startIndex < 0) {
630 break;
631 }
632 charinfo1 = *(PAGECHAR_INFO*)m_charList.GetAt(startIndex);
633 }
634 startIndex++;
635 start = startIndex;
636 }
637 if (FPDFTEXT_CHAR_PIECE == charinfo2.m_Flag) {
638 PAGECHAR_INFO charinfo3 = charinfo2;
639 int endIndex = start + nCount - 1;
640 while(FPDFTEXT_CHAR_PIECE == charinfo3.m_Flag && charinfo3.m_Index == charinfo2.m_Index) {
641 endIndex++;
642 if (endIndex >= m_charList.GetSize()) {
643 break;
644 }
645 charinfo3 = *(PAGECHAR_INFO*)m_charList.GetAt(endIndex);
646 }
647 endIndex--;
648 nCount = endIndex - start + 1;
649 }
650 }
GetPageText(int start,int nCount) const651 CFX_WideString CPDF_TextPage::GetPageText(int start , int nCount) const
652 {
653 if (!m_IsParsered || nCount == 0) {
654 return L"";
655 }
656 if (start < 0) {
657 start = 0;
658 }
659 if (nCount == -1) {
660 nCount = m_charList.GetSize() - start;
661 return m_TextBuf.GetWideString().Mid(start, m_TextBuf.GetWideString().GetLength());
662 }
663 if(nCount <= 0 || m_charList.GetSize() <= 0) {
664 return L"";
665 }
666 if(nCount + start > m_charList.GetSize() - 1) {
667 nCount = m_charList.GetSize() - start;
668 }
669 if (nCount <= 0) {
670 return L"";
671 }
672 CheckMarkedContentObject(start, nCount);
673 int startindex = 0;
674 PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start);
675 int startOffset = 0;
676 while(charinfo.m_Index == -1) {
677 startOffset++;
678 if (startOffset > nCount || start + startOffset >= m_charList.GetSize()) {
679 return L"";
680 }
681 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start + startOffset);
682 }
683 startindex = charinfo.m_Index;
684 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start + nCount - 1);
685 int nCountOffset = 0;
686 while (charinfo.m_Index == -1) {
687 nCountOffset++;
688 if (nCountOffset >= nCount) {
689 return L"";
690 }
691 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start + nCount - nCountOffset - 1);
692 }
693 nCount = start + nCount - nCountOffset - startindex;
694 if(nCount <= 0) {
695 return L"";
696 }
697 return m_TextBuf.GetWideString().Mid(startindex, nCount);
698 }
CountRects(int start,int nCount)699 int CPDF_TextPage::CountRects(int start, int nCount)
700 {
701 if(m_ParseOptions.m_bGetCharCodeOnly) {
702 return -1;
703 }
704 if (!m_IsParsered) {
705 return -1;
706 }
707 if (start < 0) {
708 return -1;
709 }
710 if (nCount == -1 || nCount + start > m_charList.GetSize() ) {
711 nCount = m_charList.GetSize() - start;
712 }
713 m_SelRects.RemoveAll();
714 GetRectArray(start, nCount, m_SelRects);
715 return m_SelRects.GetSize();
716 }
GetRect(int rectIndex,FX_FLOAT & left,FX_FLOAT & top,FX_FLOAT & right,FX_FLOAT & bottom) const717 void CPDF_TextPage::GetRect(int rectIndex, FX_FLOAT& left, FX_FLOAT& top, FX_FLOAT& right, FX_FLOAT &bottom) const
718 {
719 if(m_ParseOptions.m_bGetCharCodeOnly) {
720 return ;
721 }
722 if (!m_IsParsered || rectIndex < 0 || rectIndex >= m_SelRects.GetSize()) {
723 return;
724 }
725 left = m_SelRects.GetAt(rectIndex).left;
726 top = m_SelRects.GetAt(rectIndex).top;
727 right = m_SelRects.GetAt(rectIndex).right;
728 bottom = m_SelRects.GetAt(rectIndex).bottom;
729 }
GetBaselineRotate(int start,int end,int & Rotate)730 FX_BOOL CPDF_TextPage::GetBaselineRotate(int start, int end, int& Rotate)
731 {
732 if(m_ParseOptions.m_bGetCharCodeOnly) {
733 return FALSE;
734 }
735 if(end == start) {
736 return FALSE;
737 }
738 FX_FLOAT dx, dy;
739 FPDF_CHAR_INFO info1, info2;
740 GetCharInfo(start, info1);
741 GetCharInfo(end, info2);
742 while(info2.m_CharBox.Width() == 0 || info2.m_CharBox.Height() == 0) {
743 end--;
744 if(end <= start) {
745 return FALSE;
746 }
747 GetCharInfo(end, info2);
748 }
749 dx = (info2.m_OriginX - info1.m_OriginX);
750 dy = (info2.m_OriginY - info1.m_OriginY);
751 if(dx == 0) {
752 if(dy > 0) {
753 Rotate = 90;
754 } else if (dy < 0) {
755 Rotate = 270;
756 } else {
757 Rotate = 0;
758 }
759 } else {
760 float a = FXSYS_atan2(dy, dx);
761 Rotate = (int)(a * 180 / FX_PI + 0.5);
762 }
763 if(Rotate < 0) {
764 Rotate = -Rotate;
765 } else if(Rotate > 0) {
766 Rotate = 360 - Rotate;
767 }
768 return TRUE;
769 }
GetBaselineRotate(CFX_FloatRect rect,int & Rotate)770 FX_BOOL CPDF_TextPage::GetBaselineRotate(CFX_FloatRect rect , int& Rotate)
771 {
772 if(m_ParseOptions.m_bGetCharCodeOnly) {
773 return FALSE;
774 }
775 int start, end, count, n = CountBoundedSegments(rect.left, rect.top, rect.right, rect.bottom, TRUE);
776 if(n < 1) {
777 return FALSE;
778 }
779 if(n > 1) {
780 GetBoundedSegment(n - 1, start, count);
781 end = start + count - 1;
782 GetBoundedSegment(0, start, count);
783 } else {
784 GetBoundedSegment(0, start, count);
785 end = start + count - 1;
786 }
787 return GetBaselineRotate(start, end, Rotate);
788 }
GetBaselineRotate(int rectIndex,int & Rotate)789 FX_BOOL CPDF_TextPage::GetBaselineRotate(int rectIndex, int& Rotate)
790 {
791 if(m_ParseOptions.m_bGetCharCodeOnly) {
792 return FALSE;
793 }
794 if (!m_IsParsered || rectIndex < 0 || rectIndex > m_SelRects.GetSize()) {
795 return FALSE;
796 }
797 CFX_FloatRect rect = m_SelRects.GetAt(rectIndex);
798 return GetBaselineRotate(rect , Rotate);
799 }
CountBoundedSegments(FX_FLOAT left,FX_FLOAT top,FX_FLOAT right,FX_FLOAT bottom,FX_BOOL bContains)800 int CPDF_TextPage::CountBoundedSegments(FX_FLOAT left, FX_FLOAT top, FX_FLOAT right, FX_FLOAT bottom, FX_BOOL bContains )
801 {
802 if(m_ParseOptions.m_bGetCharCodeOnly) {
803 return -1;
804 }
805 m_Segment.RemoveAll();
806 if (!m_IsParsered) {
807 return -1;
808 }
809 CFX_FloatRect rect(left, bottom, right, top);
810 rect.Normalize();
811 int nCount = m_charList.GetSize();
812 int pos = 0;
813 FPDF_SEGMENT segment;
814 segment.m_Start = 0;
815 segment.m_nCount = 0;
816 FX_BOOL segmentStatus = 0;
817 FX_BOOL IsContainPreChar = FALSE;
818 while (pos < nCount) {
819 if(pos == 493) {
820 int a = 0;
821 }
822 PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(pos);
823 if(bContains && rect.Contains(charinfo.m_CharBox)) {
824 if (segmentStatus == 0 || segmentStatus == 2) {
825 segment.m_Start = pos;
826 segment.m_nCount = 1;
827 segmentStatus = 1;
828 } else if (segmentStatus == 1) {
829 segment.m_nCount++;
830 }
831 IsContainPreChar = TRUE;
832 } else if (!bContains && (IsRectIntersect(rect, charinfo.m_CharBox) || rect.Contains(charinfo.m_OriginX, charinfo.m_OriginY))) {
833 if (segmentStatus == 0 || segmentStatus == 2) {
834 segment.m_Start = pos;
835 segment.m_nCount = 1;
836 segmentStatus = 1;
837 } else if (segmentStatus == 1) {
838 segment.m_nCount++;
839 }
840 IsContainPreChar = TRUE;
841 } else if (charinfo.m_Unicode == 32) {
842 if (IsContainPreChar == TRUE) {
843 if (segmentStatus == 0 || segmentStatus == 2) {
844 segment.m_Start = pos;
845 segment.m_nCount = 1;
846 segmentStatus = 1;
847 } else if (segmentStatus == 1) {
848 segment.m_nCount++;
849 }
850 IsContainPreChar = FALSE;
851 } else {
852 if (segmentStatus == 1) {
853 segmentStatus = 2;
854 m_Segment.Add(segment);
855 segment.m_Start = 0;
856 segment.m_nCount = 0;
857 }
858 }
859 } else {
860 if (segmentStatus == 1) {
861 segmentStatus = 2;
862 m_Segment.Add(segment);
863 segment.m_Start = 0;
864 segment.m_nCount = 0;
865 }
866 IsContainPreChar = FALSE;
867 }
868 pos++;
869 }
870 if (segmentStatus == 1) {
871 segmentStatus = 2;
872 m_Segment.Add(segment);
873 segment.m_Start = 0;
874 segment.m_nCount = 0;
875 }
876 return m_Segment.GetSize();
877 }
GetBoundedSegment(int index,int & start,int & count) const878 void CPDF_TextPage::GetBoundedSegment(int index, int& start, int& count) const
879 {
880 if(m_ParseOptions.m_bGetCharCodeOnly) {
881 return ;
882 }
883 if (index < 0 || index >= m_Segment.GetSize()) {
884 return;
885 }
886 start = m_Segment.GetAt(index).m_Start;
887 count = m_Segment.GetAt(index).m_nCount;
888 }
GetWordBreak(int index,int direction) const889 int CPDF_TextPage::GetWordBreak(int index, int direction) const
890 {
891 if(m_ParseOptions.m_bGetCharCodeOnly) {
892 return -1;
893 }
894 if (!m_IsParsered) {
895 return -1;
896 }
897 if (direction != FPDFTEXT_LEFT && direction != FPDFTEXT_RIGHT) {
898 return -1;
899 }
900 if (index < 0 || index >= m_charList.GetSize()) {
901 return -1;
902 }
903 PAGECHAR_INFO charinfo;
904 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
905 if (charinfo.m_Index == -1 || charinfo.m_Flag == FPDFTEXT_CHAR_GENERATED) {
906 return index;
907 }
908 if (!IsLetter(charinfo.m_Unicode)) {
909 return index;
910 }
911 int breakPos = index;
912 if (direction == FPDFTEXT_LEFT) {
913 while (--breakPos > 0) {
914 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(breakPos);
915 if (!IsLetter(charinfo.m_Unicode)) {
916 return breakPos;
917 }
918 }
919 return breakPos;
920 } else if (direction == FPDFTEXT_RIGHT) {
921 while (++breakPos < m_charList.GetSize()) {
922 charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(breakPos);
923 if (!IsLetter(charinfo.m_Unicode)) {
924 return breakPos;
925 }
926 }
927 return breakPos;
928 }
929 return breakPos;
930 }
FindTextlineFlowDirection()931 FX_INT32 CPDF_TextPage::FindTextlineFlowDirection()
932 {
933 if (!m_pPage) {
934 return -1;
935 }
936 const FX_INT32 nPageWidth = (FX_INT32)((CPDF_Page*)m_pPage)->GetPageWidth();
937 const FX_INT32 nPageHeight = (FX_INT32)((CPDF_Page*)m_pPage)->GetPageHeight();
938 CFX_ByteArray nHorizontalMask;
939 if (!nHorizontalMask.SetSize(nPageWidth)) {
940 return -1;
941 }
942 FX_BYTE* pDataH = nHorizontalMask.GetData();
943 CFX_ByteArray nVerticalMask;
944 if (!nVerticalMask.SetSize(nPageHeight)) {
945 return -1;
946 }
947 FX_BYTE* pDataV = nVerticalMask.GetData();
948 FX_INT32 index = 0;
949 FX_FLOAT fLineHeight = 0.0f;
950 CPDF_PageObject* pPageObj = NULL;
951 FX_POSITION pos = NULL;
952 pos = m_pPage->GetFirstObjectPosition();
953 if(!pos) {
954 return -1;
955 }
956 while(pos) {
957 pPageObj = m_pPage->GetNextObject(pos);
958 if(NULL == pPageObj) {
959 continue;
960 }
961 if(PDFPAGE_TEXT != pPageObj->m_Type) {
962 continue;
963 }
964 FX_INT32 minH = (FX_INT32)pPageObj->m_Left < 0 ? 0 : (FX_INT32)pPageObj->m_Left;
965 FX_INT32 maxH = (FX_INT32)pPageObj->m_Right > nPageWidth ? nPageWidth : (FX_INT32)pPageObj->m_Right;
966 FX_INT32 minV = (FX_INT32)pPageObj->m_Bottom < 0 ? 0 : (FX_INT32)pPageObj->m_Bottom;
967 FX_INT32 maxV = (FX_INT32)pPageObj->m_Top > nPageHeight ? nPageHeight : (FX_INT32)pPageObj->m_Top;
968 if (minH >= maxH || minV >= maxV){
969 continue;
970 }
971
972 FXSYS_memset8(pDataH + minH, 1, maxH - minH);
973 FXSYS_memset8(pDataV + minV, 1, maxV - minV);
974
975 if (fLineHeight <= 0.0f) {
976 fLineHeight = pPageObj->m_Top - pPageObj->m_Bottom;
977 }
978
979 pPageObj = NULL;
980 }
981 FX_INT32 nStartH = 0;
982 FX_INT32 nEndH = 0;
983 FX_FLOAT nSumH = 0.0f;
984 for (index = 0; index < nPageWidth; index++)
985 if(1 == nHorizontalMask[index]) {
986 break;
987 }
988 nStartH = index;
989 for (index = nPageWidth; index > 0; index--)
990 if(1 == nHorizontalMask[index - 1]) {
991 break;
992 }
993 nEndH = index;
994 for (index = nStartH; index < nEndH; index++) {
995 nSumH += nHorizontalMask[index];
996 }
997 nSumH /= nEndH - nStartH;
998 FX_INT32 nStartV = 0;
999 FX_INT32 nEndV = 0;
1000 FX_FLOAT nSumV = 0.0f;
1001 for (index = 0; index < nPageHeight; index++)
1002 if(1 == nVerticalMask[index]) {
1003 break;
1004 }
1005 nStartV = index;
1006 for (index = nPageHeight; index > 0; index--)
1007 if(1 == nVerticalMask[index - 1]) {
1008 break;
1009 }
1010 nEndV = index;
1011 for (index = nStartV; index < nEndV; index++) {
1012 nSumV += nVerticalMask[index];
1013 }
1014 nSumV /= nEndV - nStartV;
1015 if ((nEndV - nStartV) < (FX_INT32)(2 * fLineHeight)) {
1016 return 0;
1017 }
1018 if ((nEndH - nStartH) < (FX_INT32)(2 * fLineHeight)) {
1019 return 1;
1020 }
1021 if (nSumH > 0.8f) {
1022 return 0;
1023 }
1024 if (nSumH - nSumV > 0.0f) {
1025 return 0;
1026 }
1027 if (nSumV - nSumH > 0.0f) {
1028 return 1;
1029 }
1030 return -1;
1031 }
ProcessObject()1032 void CPDF_TextPage::ProcessObject()
1033 {
1034 CPDF_PageObject* pPageObj = NULL;
1035 if (!m_pPage) {
1036 return;
1037 }
1038 FX_POSITION pos;
1039 pos = m_pPage->GetFirstObjectPosition();
1040 if (!pos) {
1041 return;
1042 }
1043 m_TextlineDir = FindTextlineFlowDirection();
1044 int nCount = 0;
1045 while (pos) {
1046 pPageObj = m_pPage->GetNextObject(pos);
1047 if(pPageObj) {
1048 if(pPageObj->m_Type == PDFPAGE_TEXT) {
1049 if (nCount == 3) {
1050 nCount = nCount;
1051 }
1052 CFX_AffineMatrix matrix;
1053 ProcessTextObject((CPDF_TextObject*)pPageObj, matrix, pos);
1054 nCount++;
1055 } else if (pPageObj->m_Type == PDFPAGE_FORM) {
1056 CFX_AffineMatrix formMatrix(1, 0, 0, 1, 0, 0);
1057 ProcessFormObject((CPDF_FormObject*)pPageObj, formMatrix);
1058 }
1059 }
1060 pPageObj = NULL;
1061 }
1062 int count = m_LineObj.GetSize();
1063 for(int i = 0; i < count; i++) {
1064 ProcessTextObject(m_LineObj.GetAt(i));
1065 }
1066 m_LineObj.RemoveAll();
1067 CloseTempLine();
1068 }
ProcessFormObject(CPDF_FormObject * pFormObj,CFX_AffineMatrix formMatrix)1069 void CPDF_TextPage::ProcessFormObject(CPDF_FormObject* pFormObj, CFX_AffineMatrix formMatrix)
1070 {
1071 CPDF_PageObject* pPageObj = NULL;
1072 FX_POSITION pos;
1073 if (!pFormObj) {
1074 return;
1075 }
1076 pos = pFormObj->m_pForm->GetFirstObjectPosition();
1077 if (!pos) {
1078 return;
1079 }
1080 CFX_AffineMatrix curFormMatrix;
1081 curFormMatrix.Copy(pFormObj->m_FormMatrix);
1082 curFormMatrix.Concat(formMatrix);
1083 while (pos) {
1084 pPageObj = pFormObj->m_pForm->GetNextObject(pos);
1085 if(pPageObj) {
1086 if(pPageObj->m_Type == PDFPAGE_TEXT) {
1087 ProcessTextObject((CPDF_TextObject*)pPageObj, curFormMatrix, pos);
1088 } else if (pPageObj->m_Type == PDFPAGE_FORM) {
1089 ProcessFormObject((CPDF_FormObject*)pPageObj, curFormMatrix);
1090 }
1091 }
1092 pPageObj = NULL;
1093 }
1094 }
GetCharWidth(FX_DWORD charCode,CPDF_Font * pFont) const1095 int CPDF_TextPage::GetCharWidth(FX_DWORD charCode, CPDF_Font* pFont) const
1096 {
1097 if(charCode == -1) {
1098 return 0;
1099 }
1100 int w = pFont->GetCharWidthF(charCode);
1101 if(w == 0) {
1102 CFX_ByteString str;
1103 pFont->AppendChar(str, charCode);
1104 w = pFont->GetStringWidth(str, 1);
1105 if(w == 0) {
1106 FX_RECT BBox;
1107 pFont->GetCharBBox(charCode, BBox);
1108 w = BBox.right - BBox.left;
1109 }
1110 }
1111 return w;
1112 }
OnPiece(IFX_BidiChar * pBidi,CFX_WideString & str)1113 void CPDF_TextPage::OnPiece(IFX_BidiChar* pBidi, CFX_WideString& str)
1114 {
1115 FX_INT32 start, count;
1116 FX_INT32 ret = pBidi->GetBidiInfo(start, count);
1117 if(ret == 2) {
1118 for(int i = start + count - 1; i >= start; i--) {
1119 m_TextBuf.AppendChar(str.GetAt(i));
1120 m_charList.Add(*(PAGECHAR_INFO*)m_TempCharList.GetAt(i));
1121 }
1122 } else {
1123 int end = start + count ;
1124 for(int i = start; i < end; i++) {
1125 m_TextBuf.AppendChar(str.GetAt(i));
1126 m_charList.Add(*(PAGECHAR_INFO*)m_TempCharList.GetAt(i));
1127 }
1128 }
1129 }
AddCharInfoByLRDirection(CFX_WideString & str,int i)1130 void CPDF_TextPage::AddCharInfoByLRDirection(CFX_WideString& str, int i)
1131 {
1132 PAGECHAR_INFO Info = *(PAGECHAR_INFO*)m_TempCharList.GetAt(i);
1133 FX_WCHAR wChar = str.GetAt(i);
1134 #ifdef FOXIT_CHROME_BUILD
1135 if(!IsControlChar(&Info)) {
1136 #else
1137 if(wChar != 0xfffe) {
1138 #endif
1139 Info.m_Index = m_TextBuf.GetLength();
1140 if (wChar >= 0xFB00 && wChar <= 0xFB06) {
1141 FX_LPWSTR pDst = NULL;
1142 FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst);
1143 if (nCount >= 1) {
1144 pDst = FX_Alloc(FX_WCHAR, nCount);
1145 if (!pDst) {
1146 return;
1147 }
1148 FX_Unicode_GetNormalization(wChar, pDst);
1149 for (int nIndex = 0; nIndex < nCount; nIndex++) {
1150 PAGECHAR_INFO Info2 = Info;
1151 Info2.m_Unicode = pDst[nIndex];
1152 Info2.m_Flag = FPDFTEXT_CHAR_PIECE;
1153 m_TextBuf.AppendChar(Info2.m_Unicode);
1154 if( !m_ParseOptions.m_bGetCharCodeOnly) {
1155 m_charList.Add(Info2);
1156 }
1157 }
1158 FX_Free(pDst);
1159 return;
1160 }
1161 }
1162 m_TextBuf.AppendChar(wChar);
1163 } else {
1164 Info.m_Index = -1;
1165 }
1166 if( !m_ParseOptions.m_bGetCharCodeOnly) {
1167 m_charList.Add(Info);
1168 }
1169 }
1170 void CPDF_TextPage::AddCharInfoByRLDirection(CFX_WideString& str, int i)
1171 {
1172 PAGECHAR_INFO Info = *(PAGECHAR_INFO*)m_TempCharList.GetAt(i);
1173 #ifdef FOXIT_CHROME_BUILD
1174 if(!IsControlChar(&Info)) {
1175 #else
1176 if(str.GetAt(i) != 0xfffe) {
1177 #endif
1178 Info.m_Index = m_TextBuf.GetLength();
1179 FX_WCHAR wChar = FX_GetMirrorChar(str.GetAt(i), TRUE, FALSE);
1180 FX_LPWSTR pDst = NULL;
1181 FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst);
1182 if (nCount >= 1) {
1183 pDst = FX_Alloc(FX_WCHAR, nCount);
1184 if (!pDst) {
1185 return;
1186 }
1187 FX_Unicode_GetNormalization(wChar, pDst);
1188 for (int nIndex = 0; nIndex < nCount; nIndex++) {
1189 PAGECHAR_INFO Info2 = Info;
1190 Info2.m_Unicode = pDst[nIndex];
1191 Info2.m_Flag = FPDFTEXT_CHAR_PIECE;
1192 m_TextBuf.AppendChar(Info2.m_Unicode);
1193 if( !m_ParseOptions.m_bGetCharCodeOnly) {
1194 m_charList.Add(Info2);
1195 }
1196 }
1197 FX_Free(pDst);
1198 return;
1199 } else {
1200 Info.m_Unicode = wChar;
1201 }
1202 m_TextBuf.AppendChar(Info.m_Unicode);
1203 } else {
1204 Info.m_Index = -1;
1205 }
1206 if( !m_ParseOptions.m_bGetCharCodeOnly) {
1207 m_charList.Add(Info);
1208 }
1209 }
1210 void CPDF_TextPage::CloseTempLine()
1211 {
1212 int count1 = m_TempCharList.GetSize();
1213 if (count1 <= 0) {
1214 return;
1215 }
1216 IFX_BidiChar* BidiChar = IFX_BidiChar::Create();
1217 CFX_WideString str = m_TempTextBuf.GetWideString();
1218 CFX_WordArray order;
1219 FX_BOOL bR2L = FALSE;
1220 FX_INT32 start = 0, count = 0, i = 0;
1221 int nR2L = 0, nL2R = 0;
1222 FX_BOOL bPrevSpace = FALSE;
1223 for (i = 0; i < str.GetLength(); i++) {
1224 if(str.GetAt(i) == 32) {
1225 if(bPrevSpace) {
1226 m_TempTextBuf.Delete(i, 1);
1227 m_TempCharList.Delete(i);
1228 str.Delete(i);
1229 count1 --;
1230 i--;
1231 continue;
1232 }
1233 bPrevSpace = TRUE;
1234 } else {
1235 bPrevSpace = FALSE;
1236 }
1237 if(BidiChar && BidiChar->AppendChar(str.GetAt(i))) {
1238 FX_INT32 ret = BidiChar->GetBidiInfo(start, count);
1239 order.Add(start);
1240 order.Add(count);
1241 order.Add(ret);
1242 if(!bR2L) {
1243 if(ret == 2) {
1244 nR2L++;
1245 } else if (ret == 1) {
1246 nL2R++;
1247 }
1248 }
1249 }
1250 }
1251 if(BidiChar && BidiChar->EndChar()) {
1252 FX_INT32 ret = BidiChar->GetBidiInfo(start, count);
1253 order.Add(start);
1254 order.Add(count);
1255 order.Add(ret);
1256 if(!bR2L) {
1257 if(ret == 2) {
1258 nR2L++;
1259 } else if(ret == 1) {
1260 nL2R++;
1261 }
1262 }
1263 }
1264 if(nR2L > 0 && nR2L >= nL2R) {
1265 bR2L = TRUE;
1266 }
1267 if(this->m_parserflag == FPDFTEXT_RLTB || bR2L) {
1268 int count = order.GetSize();
1269 for(int j = count - 1; j > 0; j -= 3) {
1270 int ret = order.GetAt(j);
1271 int start = order.GetAt(j - 2);
1272 int count1 = order.GetAt(j - 1);
1273 if(ret == 2 || ret == 0) {
1274 for(int i = start + count1 - 1; i >= start; i--) {
1275 AddCharInfoByRLDirection(str, i);
1276 }
1277 } else {
1278 i = j;
1279 FX_BOOL bSymbol = FALSE;
1280 while(i > 0 && order.GetAt(i) != 2) {
1281 bSymbol = !order.GetAt(i);
1282 i -= 3;
1283 }
1284 int end = start + count1 ;
1285 int n = 0;
1286 if(bSymbol) {
1287 n = i + 6;
1288 } else {
1289 n = i + 3;
1290 }
1291 if(n >= j) {
1292 for(int m = start; m < end; m++) {
1293 AddCharInfoByLRDirection(str, m);
1294 }
1295 } else {
1296 i = j;
1297 j = n;
1298 for(; n <= i; n += 3) {
1299 int ret = order.GetAt(n);
1300 int start = order.GetAt(n - 2);
1301 int count1 = order.GetAt(n - 1);
1302 int end = start + count1 ;
1303 for(int m = start; m < end; m++) {
1304 AddCharInfoByLRDirection(str, m);
1305 }
1306 }
1307 }
1308 }
1309 }
1310 } else {
1311 int count = order.GetSize();
1312 FX_BOOL bL2R = FALSE;
1313 for(int j = 0; j < count; j += 3) {
1314 int ret = order.GetAt(j + 2);
1315 int start = order.GetAt(j);
1316 int count1 = order.GetAt(j + 1);
1317 if(ret == 2 || (j == 0 && ret == 0 && !bL2R)) {
1318 int i = j + 3;
1319 while(bR2L && i < count) {
1320 if(order.GetAt(i + 2) == 1) {
1321 break;
1322 } else {
1323 i += 3;
1324 }
1325 }
1326 if(i == 3) {
1327 j = -3;
1328 bL2R = TRUE;
1329 continue;
1330 }
1331 int end = m_TempCharList.GetSize() - 1;
1332 if(i < count) {
1333 end = order.GetAt(i) - 1;
1334 }
1335 j = i - 3;
1336 for(int n = end; n >= start; n--) {
1337 AddCharInfoByRLDirection(str, n);
1338 }
1339 } else {
1340 int end = start + count1 ;
1341 for(int i = start; i < end; i++) {
1342 AddCharInfoByLRDirection(str, i);
1343 }
1344 }
1345 }
1346 }
1347 int ntext = m_TextBuf.GetSize();
1348 ntext = m_charList.GetSize();
1349 order.RemoveAll();
1350 m_TempCharList.RemoveAll();
1351 m_TempTextBuf.Delete(0, m_TempTextBuf.GetLength());
1352 BidiChar->Release();
1353 }
1354 void CPDF_TextPage::ProcessTextObject(CPDF_TextObject* pTextObj, CFX_AffineMatrix formMatrix, FX_POSITION ObjPos)
1355 {
1356 CFX_FloatRect re(pTextObj->m_Left, pTextObj->m_Bottom, pTextObj->m_Right, pTextObj->m_Top);
1357 if(FXSYS_fabs(pTextObj->m_Right - pTextObj->m_Left) < 0.01f ) {
1358 return;
1359 }
1360 int count = m_LineObj.GetSize();
1361 PDFTEXT_Obj Obj;
1362 Obj.m_pTextObj = pTextObj;
1363 Obj.m_formMatrix = formMatrix;
1364 if(count == 0) {
1365 m_LineObj.Add(Obj);
1366 return;
1367 }
1368 if (IsSameAsPreTextObject(pTextObj, ObjPos)) {
1369 return;
1370 }
1371 PDFTEXT_Obj prev_Obj = m_LineObj.GetAt(count - 1);
1372 CPDF_TextObjectItem item;
1373 int nItem = prev_Obj.m_pTextObj->CountItems();
1374 prev_Obj.m_pTextObj->GetItemInfo(nItem - 1, &item);
1375 FX_FLOAT prev_width = GetCharWidth(item.m_CharCode, prev_Obj.m_pTextObj->GetFont()) * prev_Obj.m_pTextObj->GetFontSize() / 1000;
1376 CFX_AffineMatrix prev_matrix;
1377 prev_Obj.m_pTextObj->GetTextMatrix(&prev_matrix);
1378 prev_width = FXSYS_fabs(prev_width);
1379 prev_matrix.Concat(prev_Obj.m_formMatrix);
1380 prev_width = prev_matrix.TransformDistance(prev_width);
1381 pTextObj->GetItemInfo(0, &item);
1382 FX_FLOAT this_width = GetCharWidth(item.m_CharCode, pTextObj->GetFont()) * pTextObj->GetFontSize() / 1000;
1383 this_width = FXSYS_fabs(this_width);
1384 CFX_AffineMatrix this_matrix;
1385 pTextObj->GetTextMatrix(&this_matrix);
1386 this_width = FXSYS_fabs(this_width);
1387 this_matrix.Concat(formMatrix);
1388 this_width = this_matrix.TransformDistance(this_width);
1389 FX_FLOAT threshold = prev_width > this_width ? prev_width / 4 : this_width / 4;
1390 FX_FLOAT prev_x = prev_Obj.m_pTextObj->GetPosX(), prev_y = prev_Obj.m_pTextObj->GetPosY();
1391 prev_Obj.m_formMatrix.Transform(prev_x, prev_y);
1392 m_DisplayMatrix.Transform(prev_x, prev_y);
1393 FX_FLOAT this_x = pTextObj->GetPosX(), this_y = pTextObj->GetPosY();
1394 formMatrix.Transform(this_x, this_y);
1395 m_DisplayMatrix.Transform(this_x, this_y);
1396 if (FXSYS_fabs(this_y - prev_y) > threshold * 2) {
1397 for(int i = 0; i < count; i++) {
1398 ProcessTextObject(m_LineObj.GetAt(i));
1399 }
1400 m_LineObj.RemoveAll();
1401 m_LineObj.Add(Obj);
1402 return;
1403 }
1404 int i = 0;
1405 if(m_ParseOptions.m_bNormalizeObjs) {
1406 for(i = count - 1; i >= 0; i--) {
1407 PDFTEXT_Obj prev_Obj = m_LineObj.GetAt(i);
1408 CFX_AffineMatrix prev_matrix;
1409 prev_Obj.m_pTextObj->GetTextMatrix(&prev_matrix);
1410 FX_FLOAT Prev_x = prev_Obj.m_pTextObj->GetPosX(), Prev_y = prev_Obj.m_pTextObj->GetPosY();
1411 prev_Obj.m_formMatrix.Transform(Prev_x, Prev_y);
1412 m_DisplayMatrix.Transform(Prev_x, Prev_y);
1413 if(this_x >= Prev_x) {
1414 if(i == count - 1) {
1415 m_LineObj.Add(Obj);
1416 } else {
1417 m_LineObj.InsertAt(i + 1, Obj);
1418 }
1419 break;
1420 }
1421 }
1422 if(i < 0) {
1423 m_LineObj.InsertAt(0, Obj);
1424 }
1425 } else {
1426 m_LineObj.Add(Obj);
1427 }
1428 }
1429 FX_INT32 CPDF_TextPage::PreMarkedContent(PDFTEXT_Obj Obj)
1430 {
1431 CPDF_TextObject* pTextObj = Obj.m_pTextObj;
1432 CPDF_ContentMarkData* pMarkData = (CPDF_ContentMarkData*)pTextObj->m_ContentMark.GetObject();
1433 if(!pMarkData) {
1434 return FPDFTEXT_MC_PASS;
1435 }
1436 int nContentMark = pMarkData->CountItems();
1437 if (nContentMark < 1) {
1438 return FPDFTEXT_MC_PASS;
1439 }
1440 CFX_WideString actText;
1441 FX_BOOL bExist = FALSE;
1442 CPDF_Dictionary* pDict = NULL;
1443 int n = 0;
1444 for (n = 0; n < nContentMark; n++) {
1445 CPDF_ContentMarkItem& item = pMarkData->GetItem(n);
1446 CFX_ByteString tagStr = (CFX_ByteString)item.GetName();
1447 pDict = (CPDF_Dictionary*)item.GetParam();
1448 CPDF_String* temp = (CPDF_String*)pDict->GetElement(FX_BSTRC("ActualText"));
1449 if (temp) {
1450 bExist = TRUE;
1451 actText = temp->GetUnicodeText();
1452 }
1453 }
1454 if (!bExist) {
1455 return FPDFTEXT_MC_PASS;
1456 }
1457 if (m_pPreTextObj) {
1458 if (CPDF_ContentMarkData* pPreMarkData = (CPDF_ContentMarkData*)m_pPreTextObj->m_ContentMark.GetObject()) {
1459 if (pPreMarkData->CountItems() == n) {
1460 CPDF_ContentMarkItem& item = pPreMarkData->GetItem(n - 1);
1461 if (pDict == item.GetParam()) {
1462 return FPDFTEXT_MC_DONE;
1463 }
1464 }
1465 }
1466 }
1467 CPDF_Font* pFont = pTextObj->GetFont();
1468 FX_STRSIZE nItems = actText.GetLength();
1469 if (nItems < 1) {
1470 return FPDFTEXT_MC_PASS;
1471 }
1472 bExist = FALSE;
1473 for (FX_STRSIZE i = 0; i < nItems; i++) {
1474 FX_WCHAR wChar = actText.GetAt(i);
1475 if (-1 == pFont->CharCodeFromUnicode(wChar)) {
1476 continue;
1477 } else {
1478 bExist = TRUE;
1479 break;
1480 }
1481 }
1482 if (!bExist) {
1483 return FPDFTEXT_MC_PASS;
1484 }
1485 bExist = FALSE;
1486 for (FX_STRSIZE j = 0; j < nItems; j++) {
1487 FX_WCHAR wChar = actText.GetAt(j);
1488 if ((wChar > 0x80 && wChar < 0xFFFD) || (wChar <= 0x80 && isprint(wChar))) {
1489 bExist = TRUE;
1490 break;
1491 }
1492 }
1493 if (!bExist) {
1494 return FPDFTEXT_MC_DONE;
1495 }
1496 return FPDFTEXT_MC_DELAY;
1497 }
1498 void CPDF_TextPage::ProcessMarkedContent(PDFTEXT_Obj Obj)
1499 {
1500 CPDF_TextObject* pTextObj = Obj.m_pTextObj;
1501 CPDF_ContentMarkData* pMarkData = (CPDF_ContentMarkData*)pTextObj->m_ContentMark.GetObject();
1502 if(!pMarkData) {
1503 return;
1504 }
1505 int nContentMark = pMarkData->CountItems();
1506 if (nContentMark < 1) {
1507 return;
1508 }
1509 CFX_WideString actText;
1510 CPDF_Dictionary* pDict = NULL;
1511 int n = 0;
1512 for (n = 0; n < nContentMark; n++) {
1513 CPDF_ContentMarkItem& item = pMarkData->GetItem(n);
1514 CFX_ByteString tagStr = (CFX_ByteString)item.GetName();
1515 pDict = (CPDF_Dictionary*)item.GetParam();
1516 CPDF_String* temp = (CPDF_String*)pDict->GetElement(FX_BSTRC("ActualText"));
1517 if (temp) {
1518 actText = temp->GetUnicodeText();
1519 }
1520 }
1521 FX_STRSIZE nItems = actText.GetLength();
1522 if (nItems < 1) {
1523 return;
1524 }
1525 CPDF_Font* pFont = pTextObj->GetFont();
1526 CFX_AffineMatrix formMatrix = Obj.m_formMatrix;
1527 CFX_AffineMatrix matrix;
1528 pTextObj->GetTextMatrix(&matrix);
1529 matrix.Concat(formMatrix);
1530 FX_FLOAT fPosX = pTextObj->GetPosX();
1531 FX_FLOAT fPosY = pTextObj->GetPosY();
1532 int nCharInfoIndex = m_TextBuf.GetLength();
1533 CFX_FloatRect charBox;
1534 charBox.top = pTextObj->m_Top;
1535 charBox.left = pTextObj->m_Left;
1536 charBox.right = pTextObj->m_Right;
1537 charBox.bottom = pTextObj->m_Bottom;
1538 for (FX_STRSIZE k = 0; k < nItems; k++) {
1539 FX_WCHAR wChar = actText.GetAt(k);
1540 if (wChar <= 0x80 && !isprint(wChar)) {
1541 wChar = 0x20;
1542 }
1543 if (wChar >= 0xFFFD) {
1544 continue;
1545 }
1546 PAGECHAR_INFO charinfo;
1547 charinfo.m_OriginX = fPosX;
1548 charinfo.m_OriginY = fPosY;
1549 charinfo.m_Index = nCharInfoIndex;
1550 charinfo.m_Unicode = wChar;
1551 charinfo.m_CharCode = pFont->CharCodeFromUnicode(wChar);
1552 charinfo.m_Flag = FPDFTEXT_CHAR_PIECE;
1553 charinfo.m_pTextObj = pTextObj;
1554 charinfo.m_CharBox.top = charBox.top;
1555 charinfo.m_CharBox.left = charBox.left;
1556 charinfo.m_CharBox.right = charBox.right;
1557 charinfo.m_CharBox.bottom = charBox.bottom;
1558 charinfo.m_Matrix.Copy(matrix);
1559 m_TempTextBuf.AppendChar(wChar);
1560 m_TempCharList.Add(charinfo);
1561 }
1562 }
1563 void CPDF_TextPage::FindPreviousTextObject(void)
1564 {
1565 if (m_TempCharList.GetSize() < 1 && m_charList.GetSize() < 1) {
1566 return;
1567 }
1568 PAGECHAR_INFO preChar;
1569 if (m_TempCharList.GetSize() >= 1) {
1570 preChar = *(PAGECHAR_INFO*)m_TempCharList.GetAt(m_TempCharList.GetSize() - 1);
1571 } else {
1572 preChar = *(PAGECHAR_INFO*)m_charList.GetAt(m_charList.GetSize() - 1);
1573 }
1574 if (preChar.m_pTextObj) {
1575 m_pPreTextObj = preChar.m_pTextObj;
1576 }
1577 }
1578 void CPDF_TextPage::ProcessTextObject(PDFTEXT_Obj Obj)
1579 {
1580 CPDF_TextObject* pTextObj = Obj.m_pTextObj;
1581 if(FXSYS_fabs(pTextObj->m_Right - pTextObj->m_Left) < 0.01f ) {
1582 return;
1583 }
1584 CFX_AffineMatrix formMatrix = Obj.m_formMatrix;
1585 CPDF_Font* pFont = pTextObj->GetFont();
1586 CFX_AffineMatrix matrix;
1587 pTextObj->GetTextMatrix(&matrix);
1588 matrix.Concat(formMatrix);
1589 FX_INT32 bPreMKC = PreMarkedContent(Obj);
1590 if (FPDFTEXT_MC_DONE == bPreMKC) {
1591 m_pPreTextObj = pTextObj;
1592 m_perMatrix.Copy(formMatrix);
1593 return;
1594 }
1595 int result = 0;
1596 if (m_pPreTextObj) {
1597 result = ProcessInsertObject(pTextObj, formMatrix);
1598 if (2 == result) {
1599 m_CurlineRect = CFX_FloatRect(Obj.m_pTextObj->m_Left, Obj.m_pTextObj->m_Bottom, Obj.m_pTextObj->m_Right, Obj.m_pTextObj->m_Top);
1600 } else {
1601 m_CurlineRect.Union(CFX_FloatRect(Obj.m_pTextObj->m_Left, Obj.m_pTextObj->m_Bottom, Obj.m_pTextObj->m_Right, Obj.m_pTextObj->m_Top));
1602 }
1603 PAGECHAR_INFO generateChar;
1604 if (result == 1) {
1605 if (GenerateCharInfo(TEXT_BLANK_CHAR, generateChar)) {
1606 if (!formMatrix.IsIdentity()) {
1607 generateChar.m_Matrix.Copy(formMatrix);
1608 }
1609 m_TempTextBuf.AppendChar(TEXT_BLANK_CHAR);
1610 m_TempCharList.Add(generateChar);
1611 }
1612 } else if(result == 2) {
1613 CloseTempLine();
1614 if(m_TextBuf.GetSize()) {
1615 if(m_ParseOptions.m_bGetCharCodeOnly) {
1616 m_TextBuf.AppendChar(TEXT_RETURN_CHAR);
1617 m_TextBuf.AppendChar(TEXT_LINEFEED_CHAR);
1618 } else {
1619 if(GenerateCharInfo(TEXT_RETURN_CHAR, generateChar)) {
1620 m_TextBuf.AppendChar(TEXT_RETURN_CHAR);
1621 if (!formMatrix.IsIdentity()) {
1622 generateChar.m_Matrix.Copy(formMatrix);
1623 }
1624 m_charList.Add(generateChar);
1625 }
1626 if(GenerateCharInfo(TEXT_LINEFEED_CHAR, generateChar)) {
1627 m_TextBuf.AppendChar(TEXT_LINEFEED_CHAR);
1628 if (!formMatrix.IsIdentity()) {
1629 generateChar.m_Matrix.Copy(formMatrix);
1630 }
1631 m_charList.Add(generateChar);
1632 }
1633 }
1634 }
1635 } else if (result == 3 && !m_ParseOptions.m_bOutputHyphen) {
1636 FX_INT32 nChars = pTextObj->CountChars();
1637 if (nChars == 1) {
1638 CPDF_TextObjectItem item;
1639 pTextObj->GetCharInfo(0, &item);
1640 CFX_WideString wstrItem = pTextObj->GetFont()->UnicodeFromCharCode(item.m_CharCode);
1641 if(wstrItem.IsEmpty()) {
1642 wstrItem += (FX_WCHAR)item.m_CharCode;
1643 }
1644 FX_WCHAR curChar = wstrItem.GetAt(0);
1645 if (0x2D == curChar || 0xAD == curChar) {
1646 return;
1647 }
1648 }
1649 while (m_TempTextBuf.GetSize() > 0 && m_TempTextBuf.GetWideString().GetAt(m_TempTextBuf.GetLength() - 1) == 0x20) {
1650 m_TempTextBuf.Delete(m_TempTextBuf.GetLength() - 1, 1);
1651 m_TempCharList.Delete(m_TempCharList.GetSize() - 1);
1652 }
1653 PAGECHAR_INFO* cha = (PAGECHAR_INFO*)m_TempCharList.GetAt(m_TempCharList.GetSize() - 1);
1654 m_TempTextBuf.Delete(m_TempTextBuf.GetLength() - 1, 1);
1655 #ifdef FOXIT_CHROME_BUILD
1656 cha->m_Unicode = 0x2;
1657 cha->m_Flag = FPDFTEXT_CHAR_HYPHEN;
1658 m_TempTextBuf.AppendChar(0xfffe);
1659 #else
1660 cha->m_Unicode = 0;
1661 m_TempTextBuf.AppendChar(0xfffe);
1662 #endif
1663 }
1664 } else {
1665 m_CurlineRect = CFX_FloatRect(Obj.m_pTextObj->m_Left, Obj.m_pTextObj->m_Bottom, Obj.m_pTextObj->m_Right, Obj.m_pTextObj->m_Top);
1666 }
1667 if (FPDFTEXT_MC_DELAY == bPreMKC) {
1668 ProcessMarkedContent(Obj);
1669 m_pPreTextObj = pTextObj;
1670 m_perMatrix.Copy(formMatrix);
1671 return;
1672 }
1673 m_pPreTextObj = pTextObj;
1674 m_perMatrix.Copy(formMatrix);
1675 int nItems = pTextObj->CountItems();
1676 FX_FLOAT spacing = 0;
1677 FX_FLOAT baseSpace = 0.0;
1678 FX_BOOL bAllChar = TRUE;
1679 if (pTextObj->m_TextState.GetObject()->m_CharSpace && nItems >= 3) {
1680 spacing = matrix.TransformDistance(pTextObj->m_TextState.GetObject()->m_CharSpace);
1681 baseSpace = spacing;
1682 for (int i = 0; i < nItems; i++) {
1683 CPDF_TextObjectItem item;
1684 pTextObj->GetItemInfo(i, &item);
1685 if (item.m_CharCode == (FX_DWORD) - 1) {
1686 FX_FLOAT fontsize_h = pTextObj->m_TextState.GetFontSizeH();
1687 FX_FLOAT kerning = -fontsize_h * item.m_OriginX / 1000;
1688 if(kerning + spacing < baseSpace) {
1689 baseSpace = kerning + spacing;
1690 }
1691 bAllChar = FALSE;
1692 }
1693 }
1694 spacing = 0;
1695 if(baseSpace < 0.0 || (nItems == 3 && !bAllChar)) {
1696 baseSpace = 0.0;
1697 }
1698 }
1699 for (int i = 0; i < nItems; i++) {
1700 CPDF_TextObjectItem item;
1701 PAGECHAR_INFO charinfo;
1702 charinfo.m_OriginX = 0;
1703 charinfo.m_OriginY = 0;
1704 pTextObj->GetItemInfo(i, &item);
1705 if (item.m_CharCode == (FX_DWORD) - 1) {
1706 CFX_WideString str = m_TempTextBuf.GetWideString();
1707 if(str.IsEmpty()) {
1708 str = m_TextBuf.GetWideString();
1709 }
1710 if (str.IsEmpty() || str.GetAt(str.GetLength() - 1) == TEXT_BLANK_CHAR) {
1711 continue;
1712 }
1713 FX_FLOAT fontsize_h = pTextObj->m_TextState.GetFontSizeH();
1714 spacing = -fontsize_h * item.m_OriginX / 1000;
1715 continue;
1716 }
1717 FX_FLOAT charSpace = pTextObj->m_TextState.GetObject()->m_CharSpace;
1718 if (charSpace > 0.001) {
1719 spacing += matrix.TransformDistance(charSpace);
1720 } else if(charSpace < -0.001) {
1721 spacing -= matrix.TransformDistance(FXSYS_fabs(charSpace));
1722 }
1723 spacing -= baseSpace;
1724 if (spacing && i > 0) {
1725 int last_width = 0;
1726 FX_FLOAT fontsize_h = pTextObj->m_TextState.GetFontSizeH();
1727 FX_DWORD space_charcode = pFont->CharCodeFromUnicode(' ');
1728 FX_FLOAT threshold = 0;
1729 if (space_charcode != -1) {
1730 threshold = fontsize_h * pFont->GetCharWidthF(space_charcode) / 1000 ;
1731 }
1732 if (threshold > fontsize_h / 3) {
1733 threshold = 0;
1734 } else {
1735 threshold /= 2;
1736 }
1737 if (threshold == 0) {
1738 threshold = fontsize_h;
1739 int this_width = FXSYS_abs(GetCharWidth(item.m_CharCode, pFont));
1740 threshold = this_width > last_width ? (FX_FLOAT)this_width : (FX_FLOAT)last_width;
1741 int nDivide = 6;
1742 if (threshold < 300) {
1743 nDivide = 2;
1744 } else if (threshold < 500) {
1745 nDivide = 4;
1746 } else if (threshold < 700) {
1747 nDivide = 5;
1748 }
1749 threshold = threshold / nDivide;
1750 threshold = fontsize_h * threshold / 1000;
1751 }
1752 if (threshold && (spacing && spacing >= threshold) ) {
1753 charinfo.m_Unicode = TEXT_BLANK_CHAR;
1754 charinfo.m_Flag = FPDFTEXT_CHAR_GENERATED;
1755 charinfo.m_pTextObj = pTextObj;
1756 charinfo.m_Index = m_TextBuf.GetLength();
1757 m_TempTextBuf.AppendChar(TEXT_BLANK_CHAR);
1758 charinfo.m_CharCode = -1;
1759 charinfo.m_Matrix.Copy(formMatrix);
1760 matrix.Transform(item.m_OriginX, item.m_OriginY, charinfo.m_OriginX, charinfo.m_OriginY);
1761 charinfo.m_CharBox = CFX_FloatRect(charinfo.m_OriginX, charinfo.m_OriginY, charinfo.m_OriginX, charinfo.m_OriginY);
1762 m_TempCharList.Add(charinfo);
1763 }
1764 if (item.m_CharCode == (FX_DWORD) - 1) {
1765 continue;
1766 }
1767 }
1768 spacing = 0;
1769 CFX_WideString wstrItem = pFont->UnicodeFromCharCode(item.m_CharCode);
1770 FX_BOOL bNoUnicode = FALSE;
1771 FX_WCHAR wChar = wstrItem.GetAt(0);
1772 if ((wstrItem.IsEmpty() || wChar == 0) && item.m_CharCode) {
1773 if(wstrItem.IsEmpty()) {
1774 wstrItem += (FX_WCHAR)item.m_CharCode;
1775 } else {
1776 wstrItem.SetAt(0, (FX_WCHAR)item.m_CharCode);
1777 }
1778 bNoUnicode = TRUE;
1779 }
1780 charinfo.m_Index = -1;
1781 charinfo.m_CharCode = item.m_CharCode;
1782 if(bNoUnicode) {
1783 charinfo.m_Flag = FPDFTEXT_CHAR_UNUNICODE;
1784 } else {
1785 charinfo.m_Flag = FPDFTEXT_CHAR_NORMAL;
1786 }
1787 charinfo.m_pTextObj = pTextObj;
1788 charinfo.m_OriginX = 0, charinfo.m_OriginY = 0;
1789 matrix.Transform(item.m_OriginX, item.m_OriginY, charinfo.m_OriginX, charinfo.m_OriginY);
1790 FX_RECT rect(0, 0, 0, 0);
1791 rect.Intersect(0, 0, 0, 0);
1792 charinfo.m_pTextObj->GetFont()->GetCharBBox(charinfo.m_CharCode, rect);
1793 charinfo.m_CharBox.top = rect.top * pTextObj->GetFontSize() / 1000 + item.m_OriginY;
1794 charinfo.m_CharBox.left = rect.left * pTextObj->GetFontSize() / 1000 + item.m_OriginX;
1795 charinfo.m_CharBox.right = rect.right * pTextObj->GetFontSize() / 1000 + item.m_OriginX;
1796 charinfo.m_CharBox.bottom = rect.bottom * pTextObj->GetFontSize() / 1000 + item.m_OriginY;
1797 if (fabsf(charinfo.m_CharBox.top - charinfo.m_CharBox.bottom) < 0.01f) {
1798 charinfo.m_CharBox.top = charinfo.m_CharBox.bottom + pTextObj->GetFontSize();
1799 }
1800 if (fabsf(charinfo.m_CharBox.right - charinfo.m_CharBox.left) < 0.01f) {
1801 charinfo.m_CharBox.right = charinfo.m_CharBox.left + pTextObj->GetCharWidth(charinfo.m_CharCode);
1802 }
1803 matrix.TransformRect(charinfo.m_CharBox);
1804 charinfo.m_Matrix.Copy(matrix);
1805 if (wstrItem.IsEmpty()) {
1806 charinfo.m_Unicode = 0;
1807 m_TempCharList.Add(charinfo);
1808 m_TempTextBuf.AppendChar(0xfffe);
1809 continue;
1810 } else {
1811 int nTotal = wstrItem.GetLength();
1812 int n = 0;
1813 FX_BOOL bDel = FALSE;
1814 while (n < m_TempCharList.GetSize() && n < 7) {
1815 n++;
1816 PAGECHAR_INFO* charinfo1 = (PAGECHAR_INFO*)m_TempCharList.GetAt(m_TempCharList.GetSize() - n);
1817 if(charinfo1->m_CharCode == charinfo.m_CharCode &&
1818 charinfo1->m_pTextObj->GetFont() == charinfo.m_pTextObj->GetFont() &&
1819 FXSYS_fabs(charinfo1->m_OriginX - charinfo.m_OriginX) < TEXT_CHARRATIO_GAPDELTA * pTextObj->GetFontSize() &&
1820 FXSYS_fabs(charinfo1->m_OriginY - charinfo.m_OriginY) < TEXT_CHARRATIO_GAPDELTA * pTextObj->GetFontSize() ) {
1821 bDel = TRUE;
1822 break;
1823 }
1824 }
1825 if(!bDel) {
1826 for (int nIndex = 0; nIndex < nTotal; nIndex++) {
1827 charinfo.m_Unicode = wstrItem.GetAt(nIndex);
1828 if (charinfo.m_Unicode) {
1829 charinfo.m_Index = m_TextBuf.GetLength();
1830 m_TempTextBuf.AppendChar(charinfo.m_Unicode);
1831 } else {
1832 m_TempTextBuf.AppendChar(0xfffe);
1833 }
1834 m_TempCharList.Add(charinfo);
1835 }
1836 } else if(i == 0) {
1837 CFX_WideString str = m_TempTextBuf.GetWideString();
1838 if (!str.IsEmpty() && str.GetAt(str.GetLength() - 1) == TEXT_BLANK_CHAR) {
1839 m_TempTextBuf.Delete(m_TempTextBuf.GetLength() - 1, 1);
1840 m_TempCharList.Delete(m_TempCharList.GetSize() - 1);
1841 }
1842 }
1843 }
1844 }
1845 }
1846 FX_INT32 CPDF_TextPage::GetTextObjectWritingMode(const CPDF_TextObject* pTextObj)
1847 {
1848 FX_INT32 nChars = pTextObj->CountChars();
1849 if (nChars == 1) {
1850 return m_TextlineDir;
1851 }
1852 CPDF_TextObjectItem first, last;
1853 pTextObj->GetCharInfo(0, &first);
1854 pTextObj->GetCharInfo(nChars - 1, &last);
1855 CFX_Matrix textMatrix;
1856 pTextObj->GetTextMatrix(&textMatrix);
1857 textMatrix.TransformPoint(first.m_OriginX, first.m_OriginY);
1858 textMatrix.TransformPoint(last.m_OriginX, last.m_OriginY);
1859 FX_FLOAT dX = FXSYS_fabs(last.m_OriginX - first.m_OriginX);
1860 FX_FLOAT dY = FXSYS_fabs(last.m_OriginY - first.m_OriginY);
1861 if (dX <= 0.0001f && dY <= 0.0001f) {
1862 return -1;
1863 }
1864 CFX_VectorF v;
1865 v.Set(dX, dY);
1866 v.Normalize();
1867 if (v.y <= 0.0872f) {
1868 if (v.x <= 0.0872f) {
1869 return m_TextlineDir;
1870 }
1871 return 0;
1872 } else if (v.x <= 0.0872f) {
1873 return 1;
1874 }
1875 return m_TextlineDir;
1876 }
1877 FX_BOOL CPDF_TextPage::IsHyphen(FX_WCHAR curChar)
1878 {
1879 CFX_WideString strCurText = m_TempTextBuf.GetWideString();
1880 if(strCurText.GetLength() == 0) {
1881 strCurText = m_TextBuf.GetWideString();
1882 }
1883 FX_STRSIZE nCount = strCurText.GetLength();
1884 int nIndex = nCount - 1;
1885 FX_WCHAR wcTmp = strCurText.GetAt(nIndex);
1886 while(wcTmp == 0x20 && nIndex <= nCount - 1 && nIndex >= 0) {
1887 wcTmp = strCurText.GetAt(--nIndex);
1888 }
1889 if (0x2D == wcTmp || 0xAD == wcTmp) {
1890 if (--nIndex > 0) {
1891 FX_WCHAR preChar = strCurText.GetAt((nIndex));
1892 if (((preChar >= L'A' && preChar <= L'Z') || (preChar >= L'a' && preChar <= L'z'))
1893 && ((curChar >= L'A' && curChar <= L'Z') || (curChar >= L'a' && curChar <= L'z'))) {
1894 return TRUE;
1895 }
1896 }
1897 int size = m_TempCharList.GetSize();
1898 PAGECHAR_INFO preChar;
1899 if (size) {
1900 preChar = (PAGECHAR_INFO)m_TempCharList[size - 1];
1901 } else {
1902 size = m_charList.GetSize();
1903 if(size == 0) {
1904 return FALSE;
1905 }
1906 preChar = (PAGECHAR_INFO)m_charList[size - 1];
1907 }
1908 if (FPDFTEXT_CHAR_PIECE == preChar.m_Flag)
1909 if (0xAD == preChar.m_Unicode || 0x2D == preChar.m_Unicode) {
1910 return TRUE;
1911 }
1912 }
1913 return FALSE;
1914 }
1915 int CPDF_TextPage::ProcessInsertObject(const CPDF_TextObject* pObj, CFX_AffineMatrix formMatrix)
1916 {
1917 FindPreviousTextObject();
1918 FX_BOOL bNewline = FALSE;
1919 int WritingMode = GetTextObjectWritingMode(pObj);
1920 if(WritingMode == -1) {
1921 WritingMode = GetTextObjectWritingMode(m_pPreTextObj);
1922 }
1923 CFX_FloatRect this_rect(pObj->m_Left, pObj->m_Bottom, pObj->m_Right, pObj->m_Top);
1924 CFX_FloatRect prev_rect(m_pPreTextObj->m_Left, m_pPreTextObj->m_Bottom, m_pPreTextObj->m_Right, m_pPreTextObj->m_Top);
1925 CPDF_TextObjectItem PrevItem, item;
1926 int nItem = m_pPreTextObj->CountItems();
1927 m_pPreTextObj->GetItemInfo(nItem - 1, &PrevItem);
1928 pObj->GetItemInfo(0, &item);
1929 CFX_WideString wstrItem = pObj->GetFont()->UnicodeFromCharCode(item.m_CharCode);
1930 if(wstrItem.IsEmpty()) {
1931 wstrItem += (FX_WCHAR)item.m_CharCode;
1932 }
1933 FX_WCHAR curChar = wstrItem.GetAt(0);
1934 if(WritingMode == 0) {
1935 if(this_rect.Height() > 4.5 && prev_rect.Height() > 4.5) {
1936 FX_FLOAT top = this_rect.top < prev_rect.top ? this_rect.top : prev_rect.top;
1937 FX_FLOAT bottom = this_rect.bottom > prev_rect.bottom ? this_rect.bottom : prev_rect.bottom;
1938 if(bottom >= top) {
1939 if(IsHyphen(curChar)) {
1940 return 3;
1941 }
1942 return 2;
1943 }
1944 }
1945 } else if (WritingMode == 1) {
1946 if(this_rect.Width() > pObj->GetFontSize() * 0.1f && prev_rect.Width() > m_pPreTextObj->GetFontSize() * 0.1f) {
1947 FX_FLOAT left = this_rect.left > m_CurlineRect.left ? this_rect.left : m_CurlineRect.left;
1948 FX_FLOAT right = this_rect.right < m_CurlineRect.right ? this_rect.right : m_CurlineRect.right;
1949 if(right <= left) {
1950 if(IsHyphen(curChar)) {
1951 return 3;
1952 }
1953 return 2;
1954 }
1955 }
1956 }
1957 FX_FLOAT last_pos = PrevItem.m_OriginX;
1958 int nLastWidth = GetCharWidth(PrevItem.m_CharCode, m_pPreTextObj->GetFont());
1959 FX_FLOAT last_width = nLastWidth * m_pPreTextObj->GetFontSize() / 1000;
1960 last_width = FXSYS_fabs(last_width);
1961 int nThisWidth = GetCharWidth(item.m_CharCode, pObj->GetFont());
1962 FX_FLOAT this_width = nThisWidth * pObj->GetFontSize() / 1000;
1963 this_width = FXSYS_fabs(this_width);
1964 FX_FLOAT threshold = last_width > this_width ? last_width / 4 : this_width / 4;
1965 CFX_AffineMatrix prev_matrix, prev_reverse;
1966 m_pPreTextObj->GetTextMatrix(&prev_matrix);
1967 prev_matrix.Concat(m_perMatrix);
1968 prev_reverse.SetReverse(prev_matrix);
1969 FX_FLOAT x = pObj->GetPosX();
1970 FX_FLOAT y = pObj->GetPosY();
1971 formMatrix.Transform(x, y);
1972 prev_reverse.Transform(x, y);
1973 if(last_width < this_width) {
1974 threshold = prev_reverse.TransformDistance(threshold);
1975 }
1976 CFX_FloatRect rect1(m_pPreTextObj->m_Left, pObj->m_Bottom, m_pPreTextObj->m_Right, pObj->m_Top);
1977 CFX_FloatRect rect2(m_pPreTextObj->m_Left, m_pPreTextObj->m_Bottom, m_pPreTextObj->m_Right, m_pPreTextObj->m_Top);
1978 CFX_FloatRect rect3 = rect1;
1979 rect1.Intersect(rect2);
1980 if (WritingMode == 0) {
1981 if ((rect1.IsEmpty() && rect2.Height() > 5 && rect3.Height() > 5)
1982 || ((y > threshold * 2 || y < threshold * -3) && (FXSYS_fabs(y) < 1 ? FXSYS_fabs(x) < FXSYS_fabs(y) : TRUE))) {
1983 bNewline = TRUE;
1984 if(nItem > 1 ) {
1985 CPDF_TextObjectItem tempItem;
1986 m_pPreTextObj->GetItemInfo(0, &tempItem);
1987 CFX_AffineMatrix m;
1988 m_pPreTextObj->GetTextMatrix(&m);
1989 if(PrevItem.m_OriginX > tempItem.m_OriginX &&
1990 m_DisplayMatrix.a > 0.9 && m_DisplayMatrix.b < 0.1 &&
1991 m_DisplayMatrix.c < 0.1 && m_DisplayMatrix.d < -0.9
1992 && m.b < 0.1 && m.c < 0.1 ) {
1993 CFX_FloatRect re(0, m_pPreTextObj->m_Bottom, 1000, m_pPreTextObj->m_Top);
1994 if(re.Contains(pObj->GetPosX(), pObj->GetPosY())) {
1995 bNewline = FALSE;
1996 } else {
1997 CFX_FloatRect re(0, pObj->m_Bottom, 1000, pObj->m_Top);
1998 if(re.Contains(m_pPreTextObj->GetPosX(), m_pPreTextObj->GetPosY())) {
1999 bNewline = FALSE;
2000 }
2001 }
2002 }
2003 }
2004 }
2005 }
2006 if(bNewline) {
2007 if(IsHyphen(curChar)) {
2008 return 3;
2009 }
2010 return 2;
2011 }
2012 FX_INT32 nChars = pObj->CountChars();
2013 if (nChars == 1 && ( 0x2D == curChar || 0xAD == curChar))
2014 if (IsHyphen(curChar)) {
2015 return 3;
2016 }
2017 CFX_WideString PrevStr = m_pPreTextObj->GetFont()->UnicodeFromCharCode(PrevItem.m_CharCode);
2018 FX_WCHAR preChar = PrevStr.GetAt(PrevStr.GetLength() - 1);
2019 CFX_AffineMatrix matrix;
2020 pObj->GetTextMatrix(&matrix);
2021 matrix.Concat(formMatrix);
2022 threshold = (FX_FLOAT)(nLastWidth > nThisWidth ? nLastWidth : nThisWidth);
2023 threshold = threshold > 400 ? (threshold < 700 ? threshold / 4 : (threshold > 800 ? threshold / 6 : threshold / 5)) : (threshold / 2);
2024 if(nLastWidth >= nThisWidth) {
2025 threshold *= FXSYS_fabs(m_pPreTextObj->GetFontSize());
2026 } else {
2027 threshold *= FXSYS_fabs(pObj->GetFontSize());
2028 threshold = matrix.TransformDistance(threshold);
2029 threshold = prev_reverse.TransformDistance(threshold);
2030 }
2031 threshold /= 1000;
2032 if((threshold < 1.4881 && threshold > 1.4879)
2033 || (threshold < 1.39001 && threshold > 1.38999)) {
2034 threshold *= 1.5;
2035 }
2036 if (FXSYS_fabs(last_pos + last_width - x) > threshold && curChar != L' ' && preChar != L' ')
2037 if (curChar != L' ' && preChar != L' ') {
2038 if((x - last_pos - last_width) > threshold || (last_pos - x - last_width) > threshold) {
2039 return 1;
2040 }
2041 if(x < 0 && (last_pos - x - last_width) > threshold) {
2042 return 1;
2043 }
2044 if((x - last_pos - last_width) > this_width || (x - last_pos - this_width) > last_width ) {
2045 return 1;
2046 }
2047 }
2048 return 0;
2049 }
2050 FX_BOOL CPDF_TextPage::IsSameTextObject(CPDF_TextObject* pTextObj1, CPDF_TextObject* pTextObj2)
2051 {
2052 if (!pTextObj1 || !pTextObj2) {
2053 return FALSE;
2054 }
2055 CFX_FloatRect rcPreObj(pTextObj2->m_Left, pTextObj2->m_Bottom, pTextObj2->m_Right, pTextObj2->m_Top);
2056 CFX_FloatRect rcCurObj(pTextObj1->m_Left, pTextObj1->m_Bottom, pTextObj1->m_Right, pTextObj1->m_Top);
2057 if (rcPreObj.IsEmpty() && rcCurObj.IsEmpty() && !m_ParseOptions.m_bGetCharCodeOnly) {
2058 FX_FLOAT dbXdif = FXSYS_fabs(rcPreObj.left - rcCurObj.left);
2059 int nCount = m_charList.GetSize();
2060 if (nCount >= 2) {
2061 PAGECHAR_INFO perCharTemp = (PAGECHAR_INFO)m_charList[nCount - 2];
2062 FX_FLOAT dbSpace = perCharTemp.m_CharBox.Width();
2063 if (dbXdif > dbSpace) {
2064 return FALSE;
2065 }
2066 }
2067 }
2068 if (!rcPreObj.IsEmpty() || !rcCurObj.IsEmpty()) {
2069 rcPreObj.Intersect(rcCurObj);
2070 if (rcPreObj.IsEmpty()) {
2071 return FALSE;
2072 }
2073 if (FXSYS_fabs(rcPreObj.Width() - rcCurObj.Width()) > rcCurObj.Width() / 2) {
2074 return FALSE;
2075 }
2076 if (pTextObj2->GetFontSize() != pTextObj1->GetFontSize()) {
2077 return FALSE;
2078 }
2079 }
2080 int nPreCount = pTextObj2->CountItems();
2081 int nCurCount = pTextObj1->CountItems();
2082 if (nPreCount != nCurCount) {
2083 return FALSE;
2084 }
2085 CPDF_TextObjectItem itemPer, itemCur;
2086 for (int i = 0; i < nPreCount; i++) {
2087 pTextObj2->GetItemInfo(i, &itemPer);
2088 pTextObj1->GetItemInfo(i, &itemCur);
2089 if (itemCur.m_CharCode != itemPer.m_CharCode) {
2090 return FALSE;
2091 }
2092 }
2093 if(FXSYS_fabs(pTextObj1->GetPosX() - pTextObj2->GetPosX()) > GetCharWidth(itemPer.m_CharCode, pTextObj2->GetFont())*pTextObj2->GetFontSize() / 1000 * 0.9 ||
2094 FXSYS_fabs(pTextObj1->GetPosY() - pTextObj2->GetPosY()) >
2095 FX_MAX(FX_MAX(rcPreObj.Height() , rcPreObj.Width()), pTextObj2->GetFontSize()) / 8) {
2096 return FALSE;
2097 }
2098 return TRUE;
2099 }
2100 FX_BOOL CPDF_TextPage::IsSameAsPreTextObject(CPDF_TextObject* pTextObj, FX_POSITION ObjPos)
2101 {
2102 if (!pTextObj) {
2103 return FALSE;
2104 }
2105 int i = 0;
2106 if (!ObjPos) {
2107 ObjPos = m_pPage->GetLastObjectPosition();
2108 }
2109 CPDF_PageObject* pObj = m_pPage->GetPrevObject(ObjPos);
2110 while (i < 5 && ObjPos) {
2111 pObj = m_pPage->GetPrevObject(ObjPos);
2112 if(pObj == pTextObj) {
2113 continue;
2114 }
2115 if(pObj->m_Type != PDFPAGE_TEXT) {
2116 continue;
2117 }
2118 if(IsSameTextObject((CPDF_TextObject*)pObj, pTextObj)) {
2119 return TRUE;
2120 }
2121 i++;
2122 }
2123 return FALSE;
2124 }
2125 FX_BOOL CPDF_TextPage::GenerateCharInfo(FX_WCHAR unicode, PAGECHAR_INFO& info)
2126 {
2127 int size = m_TempCharList.GetSize();
2128 PAGECHAR_INFO preChar;
2129 if (size) {
2130 preChar = (PAGECHAR_INFO)m_TempCharList[size - 1];
2131 } else {
2132 size = m_charList.GetSize();
2133 if(size == 0) {
2134 return FALSE;
2135 }
2136 preChar = (PAGECHAR_INFO)m_charList[size - 1];
2137 }
2138 info.m_Index = m_TextBuf.GetLength();
2139 info.m_Unicode = unicode;
2140 info.m_pTextObj = NULL;
2141 info.m_CharCode = -1;
2142 info.m_Flag = FPDFTEXT_CHAR_GENERATED;
2143 int preWidth = 0;
2144 if (preChar.m_pTextObj && preChar.m_CharCode != (FX_DWORD) - 1) {
2145 preWidth = GetCharWidth(preChar.m_CharCode, preChar.m_pTextObj->GetFont());
2146 }
2147 FX_FLOAT fs = 0;
2148 if(preChar.m_pTextObj) {
2149 fs = preChar.m_pTextObj->GetFontSize();
2150 } else {
2151 fs = preChar.m_CharBox.Height();
2152 }
2153 if(!fs) {
2154 fs = 1;
2155 }
2156 info.m_OriginX = preChar.m_OriginX + preWidth * (fs) / 1000;
2157 info.m_OriginY = preChar.m_OriginY;
2158 info.m_CharBox = CFX_FloatRect(info.m_OriginX, info.m_OriginY, info.m_OriginX, info.m_OriginY);
2159 return TRUE;
2160 }
2161 FX_BOOL CPDF_TextPage::IsRectIntersect(CFX_FloatRect rect1, CFX_FloatRect rect2)
2162 {
2163 rect1.Intersect(rect2);
2164 if(rect1.IsEmpty()) {
2165 return FALSE;
2166 }
2167 return TRUE;
2168 }
2169 FX_BOOL CPDF_TextPage::IsLetter(FX_WCHAR unicode)
2170 {
2171 if (unicode < L'A') {
2172 return FALSE;
2173 }
2174 if (unicode > L'Z' && unicode < L'a') {
2175 return FALSE;
2176 }
2177 if (unicode > L'z') {
2178 return FALSE;
2179 }
2180 return TRUE;
2181 }
2182 CPDF_TextPageFind::CPDF_TextPageFind(const IPDF_TextPage* pTextPage)
2183 : m_IsFind(FALSE),
2184 m_pTextPage(NULL)
2185 {
2186 if (!pTextPage) {
2187 return;
2188 }
2189 CPDF_ModuleMgr* pPDFModule = CPDF_ModuleMgr::Get();
2190 m_pTextPage = pTextPage;
2191 m_strText = m_pTextPage->GetPageText();
2192 int nCount = pTextPage->CountChars();
2193 if(nCount) {
2194 m_CharIndex.Add(0);
2195 }
2196 for(int i = 0; i < nCount; i++) {
2197 FPDF_CHAR_INFO info;
2198 pTextPage->GetCharInfo(i, info);
2199 int indexSize = m_CharIndex.GetSize();
2200 if(info.m_Flag == CHAR_NORMAL || info.m_Flag == CHAR_GENERATED) {
2201 if(indexSize % 2) {
2202 m_CharIndex.Add(1);
2203 } else {
2204 if(indexSize <= 0) {
2205 continue;
2206 }
2207 m_CharIndex.SetAt(indexSize - 1, m_CharIndex.GetAt(indexSize - 1) + 1);
2208 }
2209 } else {
2210 if(indexSize % 2) {
2211 if(indexSize <= 0) {
2212 continue;
2213 }
2214 m_CharIndex.SetAt(indexSize - 1, i + 1);
2215 } else {
2216 m_CharIndex.Add(i + 1);
2217 }
2218 }
2219 }
2220 int indexSize = m_CharIndex.GetSize();
2221 if(indexSize % 2) {
2222 m_CharIndex.RemoveAt(indexSize - 1);
2223 }
2224 m_resStart = 0;
2225 m_resEnd = -1;
2226 }
2227 int CPDF_TextPageFind::GetCharIndex(int index) const
2228 {
2229 return m_pTextPage->CharIndexFromTextIndex(index);
2230 int indexSize = m_CharIndex.GetSize();
2231 int count = 0;
2232 for(int i = 0; i < indexSize; i += 2) {
2233 count += m_CharIndex.GetAt(i + 1);
2234 if(count > index) {
2235 return index - count + m_CharIndex.GetAt(i + 1) + m_CharIndex.GetAt(i);
2236 }
2237 }
2238 return -1;
2239 }
2240 FX_BOOL CPDF_TextPageFind::FindFirst(CFX_WideString findwhat, int flags, int startPos)
2241 {
2242 if (!m_pTextPage) {
2243 return FALSE;
2244 }
2245 if (m_strText.IsEmpty() || m_bMatchCase != (flags & FPDFTEXT_MATCHCASE)) {
2246 m_strText = m_pTextPage->GetPageText();
2247 }
2248 m_findWhat = findwhat;
2249 m_flags = flags;
2250 m_bMatchCase = flags & FPDFTEXT_MATCHCASE;
2251 if (m_strText.IsEmpty()) {
2252 m_IsFind = FALSE;
2253 return TRUE;
2254 }
2255 FX_STRSIZE len = findwhat.GetLength();
2256 if (!m_bMatchCase) {
2257 findwhat.MakeLower();
2258 m_strText.MakeLower();
2259 }
2260 m_bMatchWholeWord = flags & FPDFTEXT_MATCHWHOLEWORD;
2261 m_findNextStart = startPos;
2262 if (startPos == -1) {
2263 m_findPreStart = m_strText.GetLength() - 1;
2264 } else {
2265 m_findPreStart = startPos;
2266 }
2267 m_csFindWhatArray.RemoveAll();
2268 int i = 0;
2269 while(i < len) {
2270 if(findwhat.GetAt(i) != ' ') {
2271 break;
2272 }
2273 i++;
2274 }
2275 if(i < len) {
2276 ExtractFindWhat(findwhat);
2277 } else {
2278 m_csFindWhatArray.Add(findwhat);
2279 }
2280 if(m_csFindWhatArray.GetSize() <= 0) {
2281 return FALSE;
2282 }
2283 m_IsFind = TRUE;
2284 m_resStart = 0;
2285 m_resEnd = -1;
2286 return TRUE;
2287 }
2288 FX_BOOL CPDF_TextPageFind::FindNext()
2289 {
2290 if (!m_pTextPage) {
2291 return FALSE;
2292 }
2293 m_resArray.RemoveAll();
2294 if(m_findNextStart == -1) {
2295 return FALSE;
2296 }
2297 if(m_strText.IsEmpty()) {
2298 m_IsFind = FALSE;
2299 return m_IsFind;
2300 }
2301 int strLen = m_strText.GetLength();
2302 if (m_findNextStart > strLen - 1) {
2303 m_IsFind = FALSE;
2304 return m_IsFind;
2305 }
2306 int nCount = m_csFindWhatArray.GetSize();
2307 int nResultPos = 0;
2308 int nStartPos = 0;
2309 nStartPos = m_findNextStart;
2310 FX_BOOL bSpaceStart = FALSE;
2311 for(int iWord = 0; iWord < nCount; iWord++) {
2312 CFX_WideString csWord = m_csFindWhatArray[iWord];
2313 if(csWord.IsEmpty()) {
2314 if(iWord == nCount - 1) {
2315 FX_WCHAR strInsert = m_strText.GetAt(nStartPos);
2316 if(strInsert == TEXT_LINEFEED_CHAR || strInsert == TEXT_BLANK_CHAR || strInsert == TEXT_RETURN_CHAR || strInsert == 160) {
2317 nResultPos = nStartPos + 1;
2318 break;
2319 }
2320 iWord = -1;
2321 } else if(iWord == 0) {
2322 bSpaceStart = TRUE;
2323 }
2324 continue;
2325 }
2326 int endIndex;
2327 nResultPos = m_strText.Find(csWord, nStartPos);
2328 if (nResultPos == -1) {
2329 m_IsFind = FALSE;
2330 return m_IsFind;
2331 }
2332 endIndex = nResultPos + csWord.GetLength() - 1;
2333 if(iWord == 0) {
2334 m_resStart = nResultPos;
2335 }
2336 FX_BOOL bMatch = TRUE;
2337 if(iWord != 0 && !bSpaceStart) {
2338 int PreResEndPos = nStartPos;
2339 int curChar = csWord.GetAt(0);
2340 CFX_WideString lastWord = m_csFindWhatArray[iWord - 1];
2341 int lastChar = lastWord.GetAt(lastWord.GetLength() - 1);
2342 if(nStartPos == nResultPos && !(_IsIgnoreSpaceCharacter(lastChar) || _IsIgnoreSpaceCharacter(curChar))) {
2343 bMatch = FALSE;
2344 }
2345 for(int d = PreResEndPos; d < nResultPos; d++) {
2346 FX_WCHAR strInsert = m_strText.GetAt(d);
2347 if(strInsert != TEXT_LINEFEED_CHAR && strInsert != TEXT_BLANK_CHAR && strInsert != TEXT_RETURN_CHAR && strInsert != 160) {
2348 bMatch = FALSE;
2349 break;
2350 }
2351 }
2352 } else if(bSpaceStart) {
2353 if(nResultPos > 0) {
2354 FX_WCHAR strInsert = m_strText.GetAt(nResultPos - 1);
2355 if(strInsert != TEXT_LINEFEED_CHAR && strInsert != TEXT_BLANK_CHAR && strInsert != TEXT_RETURN_CHAR && strInsert != 160) {
2356 bMatch = FALSE;
2357 m_resStart = nResultPos;
2358 } else {
2359 m_resStart = nResultPos - 1;
2360 }
2361 }
2362 }
2363 if(m_bMatchWholeWord && bMatch) {
2364 bMatch = IsMatchWholeWord(m_strText, nResultPos, endIndex);
2365 }
2366 nStartPos = endIndex + 1;
2367 if(!bMatch) {
2368 iWord = -1;
2369 if(bSpaceStart) {
2370 nStartPos = m_resStart + m_csFindWhatArray[1].GetLength();
2371 } else {
2372 nStartPos = m_resStart + m_csFindWhatArray[0].GetLength();
2373 }
2374 }
2375 }
2376 m_resEnd = nResultPos + m_csFindWhatArray[m_csFindWhatArray.GetSize() - 1].GetLength() - 1;
2377 m_IsFind = TRUE;
2378 int resStart = GetCharIndex(m_resStart);
2379 int resEnd = GetCharIndex(m_resEnd);
2380 m_pTextPage->GetRectArray(resStart, resEnd - resStart + 1, m_resArray);
2381 if(m_flags & FPDFTEXT_CONSECUTIVE) {
2382 m_findNextStart = m_resStart + 1;
2383 m_findPreStart = m_resEnd - 1;
2384 } else {
2385 m_findNextStart = m_resEnd + 1;
2386 m_findPreStart = m_resStart - 1;
2387 }
2388 return m_IsFind;
2389 }
2390 FX_BOOL CPDF_TextPageFind::FindPrev()
2391 {
2392 if (!m_pTextPage) {
2393 return FALSE;
2394 }
2395 m_resArray.RemoveAll();
2396 if(m_strText.IsEmpty() || m_findPreStart < 0) {
2397 m_IsFind = FALSE;
2398 return m_IsFind;
2399 }
2400 CPDF_TextPageFind findEngine(m_pTextPage);
2401 FX_BOOL ret = findEngine.FindFirst(m_findWhat, m_flags);
2402 if(!ret) {
2403 m_IsFind = FALSE;
2404 return m_IsFind;
2405 }
2406 int order = -1, MatchedCount = 0;
2407 while(ret) {
2408 ret = findEngine.FindNext();
2409 if(ret) {
2410 int order1 = findEngine.GetCurOrder() ;
2411 int MatchedCount1 = findEngine.GetMatchedCount();
2412 if(((order1 + MatchedCount1) - 1) > m_findPreStart) {
2413 break;
2414 }
2415 order = order1;
2416 MatchedCount = MatchedCount1;
2417 }
2418 }
2419 if(order == -1) {
2420 m_IsFind = FALSE;
2421 return m_IsFind;
2422 }
2423 m_resStart = m_pTextPage->TextIndexFromCharIndex(order);
2424 m_resEnd = m_pTextPage->TextIndexFromCharIndex(order + MatchedCount - 1);
2425 m_IsFind = TRUE;
2426 m_pTextPage->GetRectArray(order, MatchedCount, m_resArray);
2427 if(m_flags & FPDFTEXT_CONSECUTIVE) {
2428 m_findNextStart = m_resStart + 1;
2429 m_findPreStart = m_resEnd - 1;
2430 } else {
2431 m_findNextStart = m_resEnd + 1;
2432 m_findPreStart = m_resStart - 1;
2433 }
2434 return m_IsFind;
2435 }
2436 void CPDF_TextPageFind::ExtractFindWhat(CFX_WideString findwhat)
2437 {
2438 if(findwhat.IsEmpty()) {
2439 return ;
2440 }
2441 int index = 0;
2442 while(1) {
2443 CFX_WideString csWord = TEXT_EMPTY;
2444 int ret = ExtractSubString(csWord, findwhat, index, TEXT_BLANK_CHAR);
2445 if(csWord.IsEmpty()) {
2446 if(ret) {
2447 m_csFindWhatArray.Add(CFX_WideString(L""));
2448 index++;
2449 continue;
2450 } else {
2451 break;
2452 }
2453 }
2454 int pos = 0;
2455 FX_BOOL bLastIgnore = FALSE;
2456 while(pos < csWord.GetLength()) {
2457 CFX_WideString curStr = csWord.Mid(pos, 1);
2458 FX_WCHAR curChar = csWord.GetAt(pos);
2459 if (_IsIgnoreSpaceCharacter(curChar)) {
2460 if (pos > 0 && curChar == 0x2019) {
2461 pos++;
2462 continue;
2463 }
2464 if (pos > 0 ) {
2465 CFX_WideString preStr = csWord.Mid(0, pos);
2466 m_csFindWhatArray.Add(preStr);
2467 }
2468 m_csFindWhatArray.Add(curStr);
2469 if (pos == csWord.GetLength() - 1) {
2470 csWord.Empty();
2471 break;
2472 }
2473 csWord = csWord.Right(csWord.GetLength() - pos - 1);
2474 pos = 0;
2475 bLastIgnore = TRUE;
2476 continue;
2477 } else {
2478 bLastIgnore = FALSE;
2479 }
2480 pos++;
2481 }
2482 if (!csWord.IsEmpty()) {
2483 m_csFindWhatArray.Add(csWord);
2484 }
2485 index++;
2486 }
2487 return;
2488 }
2489 FX_BOOL CPDF_TextPageFind::IsMatchWholeWord(CFX_WideString csPageText, int startPos, int endPos)
2490 {
2491 int char_left = 0;
2492 int char_right = 0;
2493 int char_count = endPos - startPos + 1;
2494 if(char_count < 1) {
2495 return FALSE;
2496 }
2497 if (char_count == 1 && csPageText.GetAt(startPos) > 255) {
2498 return TRUE;
2499 }
2500 if(startPos - 1 >= 0 ) {
2501 char_left = csPageText.GetAt(startPos - 1);
2502 }
2503 if(startPos + char_count < csPageText.GetLength()) {
2504 char_right = csPageText.GetAt(startPos + char_count);
2505 }
2506 if(char_left == 0x61) {
2507 int a = 0;
2508 }
2509 if ((char_left > 'A' && char_left < 'a') || (char_left > 'a' && char_left < 'z') || (char_left > 0xfb00 && char_left < 0xfb06) || (char_left >= '0' && char_left <= '9') ||
2510 (char_right > 'A' && char_right < 'a') || (char_right > 'a' && char_right < 'z') || (char_right > 0xfb00 && char_right < 0xfb06) || (char_right >= '0' && char_right <= '9')) {
2511 return FALSE;
2512 }
2513 if(!(('A' > char_left || char_left > 'Z') && ('a' > char_left || char_left > 'z')
2514 && ('A' > char_right || char_right > 'Z') && ('a' > char_right || char_right > 'z'))) {
2515 return FALSE;
2516 }
2517 if (char_count > 0) {
2518 if (csPageText.GetAt(startPos) >= L'0' && csPageText.GetAt(startPos) <= L'9' && char_left >= L'0' && char_left <= L'9') {
2519 return FALSE;
2520 }
2521 if (csPageText.GetAt(endPos) >= L'0' && csPageText.GetAt(endPos) <= L'9' && char_right >= L'0' && char_right <= L'9') {
2522 return FALSE;
2523 }
2524 }
2525 return TRUE;
2526 }
2527 FX_BOOL CPDF_TextPageFind::ExtractSubString(CFX_WideString& rString, FX_LPCWSTR lpszFullString,
2528 int iSubString, FX_WCHAR chSep)
2529 {
2530 if (lpszFullString == NULL) {
2531 return FALSE;
2532 }
2533 while (iSubString--) {
2534 lpszFullString = FXSYS_wcschr(lpszFullString, chSep);
2535 if (lpszFullString == NULL) {
2536 rString.Empty();
2537 return FALSE;
2538 }
2539 lpszFullString++;
2540 while(*lpszFullString == chSep) {
2541 lpszFullString++;
2542 }
2543 }
2544 FX_LPCWSTR lpchEnd = FXSYS_wcschr(lpszFullString, chSep);
2545 int nLen = (lpchEnd == NULL) ?
2546 (int)FXSYS_wcslen(lpszFullString) : (int)(lpchEnd - lpszFullString);
2547 ASSERT(nLen >= 0);
2548 FXSYS_memcpy32(rString.GetBuffer(nLen), lpszFullString, nLen * sizeof(FX_WCHAR));
2549 rString.ReleaseBuffer();
2550 return TRUE;
2551 }
2552 CFX_WideString CPDF_TextPageFind::MakeReverse(const CFX_WideString str)
2553 {
2554 CFX_WideString str2;
2555 str2.Empty();
2556 int nlen = str.GetLength();
2557 for(int i = nlen - 1; i >= 0; i--) {
2558 str2 += str.GetAt(i);
2559 }
2560 return str2;
2561 }
2562 void CPDF_TextPageFind::GetRectArray(CFX_RectArray& rects) const
2563 {
2564 rects.Copy(m_resArray);
2565 }
2566 int CPDF_TextPageFind::GetCurOrder() const
2567 {
2568 return GetCharIndex(m_resStart);
2569 }
2570 int CPDF_TextPageFind::GetMatchedCount()const
2571 {
2572 int resStart = GetCharIndex(m_resStart);
2573 int resEnd = GetCharIndex(m_resEnd);
2574 return resEnd - resStart + 1;
2575 }
2576 CPDF_LinkExtract::CPDF_LinkExtract()
2577 : m_pTextPage(NULL),
2578 m_IsParserd(FALSE)
2579 {
2580 }
2581 CPDF_LinkExtract::~CPDF_LinkExtract()
2582 {
2583 DeleteLinkList();
2584 }
2585 FX_BOOL CPDF_LinkExtract::ExtractLinks(const IPDF_TextPage* pTextPage)
2586 {
2587 if (!pTextPage || !pTextPage->IsParsered()) {
2588 return FALSE;
2589 }
2590 m_pTextPage = (const CPDF_TextPage*)pTextPage;
2591 m_strPageText = m_pTextPage->GetPageText(0, -1);
2592 DeleteLinkList();
2593 if (m_strPageText.IsEmpty()) {
2594 return FALSE;
2595 }
2596 parserLink();
2597 m_IsParserd = TRUE;
2598 return TRUE;
2599 }
2600 void CPDF_LinkExtract::DeleteLinkList()
2601 {
2602 while (m_LinkList.GetSize()) {
2603 CPDF_LinkExt* linkinfo = NULL;
2604 linkinfo = m_LinkList.GetAt(0);
2605 m_LinkList.RemoveAt(0);
2606 delete linkinfo;
2607 }
2608 m_LinkList.RemoveAll();
2609 }
2610 int CPDF_LinkExtract::CountLinks() const
2611 {
2612 if (!m_IsParserd) {
2613 return -1;
2614 }
2615 return m_LinkList.GetSize();
2616 }
2617 void CPDF_LinkExtract::parserLink()
2618 {
2619 int start = 0, pos = 0;
2620 int TotalChar = m_pTextPage->CountChars();
2621 while (pos < TotalChar) {
2622 FPDF_CHAR_INFO pageChar;
2623 m_pTextPage->GetCharInfo(pos, pageChar);
2624 if (pageChar.m_Flag == CHAR_GENERATED || pageChar.m_Unicode == 0x20 || pos == TotalChar - 1) {
2625 int nCount = pos - start;
2626 if(pos == TotalChar - 1) {
2627 nCount++;
2628 }
2629 CFX_WideString strBeCheck;
2630 strBeCheck = m_pTextPage->GetPageText(start, nCount);
2631 if (strBeCheck.GetLength() > 5) {
2632 while(strBeCheck.GetLength() > 0) {
2633 FX_WCHAR ch = strBeCheck.GetAt(strBeCheck.GetLength() - 1);
2634 if (ch == L')' || ch == L',' || ch == L'>' || ch == L'.') {
2635 strBeCheck = strBeCheck.Mid(0, strBeCheck.GetLength() - 1);
2636 nCount--;
2637 } else {
2638 break;
2639 }
2640 }
2641 if (nCount > 5 && (CheckWebLink(strBeCheck) || CheckMailLink(strBeCheck))) {
2642 if (!AppendToLinkList(start, nCount, strBeCheck)) {
2643 break;
2644 }
2645 }
2646 }
2647 start = ++pos;
2648 } else {
2649 pos++;
2650 }
2651 }
2652 }
2653 FX_BOOL CPDF_LinkExtract::CheckWebLink(CFX_WideString& strBeCheck)
2654 {
2655 CFX_WideString str = strBeCheck;
2656 str.MakeLower();
2657 if (str.Find(L"http://www.") != -1) {
2658 strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"http://www."));
2659 return TRUE;
2660 } else if (str.Find(L"http://") != -1) {
2661 strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"http://"));
2662 return TRUE;
2663 } else if (str.Find(L"https://www.") != -1) {
2664 strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"https://www."));
2665 return TRUE;
2666 } else if (str.Find(L"https://") != -1) {
2667 strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"https://"));
2668 return TRUE;
2669 } else if (str.Find(L"www.") != -1) {
2670 strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"www."));
2671 strBeCheck = L"http://" + strBeCheck;
2672 return TRUE;
2673 } else {
2674 return FALSE;
2675 }
2676 }
2677 FX_BOOL CPDF_LinkExtract::CheckMailLink(CFX_WideString& str)
2678 {
2679 str.MakeLower();
2680 int aPos = str.Find(L'@');
2681 if (aPos < 1) {
2682 return FALSE;
2683 }
2684 if (str.GetAt(aPos - 1) == L'.' || str.GetAt(aPos - 1) == L'_') {
2685 return FALSE;
2686 }
2687 int i;
2688 for (i = aPos - 1; i >= 0; i--) {
2689 FX_WCHAR ch = str.GetAt(i);
2690 if (ch == L'_' || ch == L'.' || (ch >= L'a' && ch <= L'z') || (ch >= L'0' && ch <= L'9')) {
2691 continue;
2692 } else {
2693 if (i == aPos - 1) {
2694 return FALSE;
2695 }
2696 str = str.Right(str.GetLength() - i - 1);
2697 break;
2698 }
2699 }
2700 aPos = str.Find(L'@');
2701 if (aPos < 1) {
2702 return FALSE;
2703 }
2704 CFX_WideString strtemp = L"";
2705 for (i = 0; i < aPos; i++) {
2706 FX_WCHAR wch = str.GetAt(i);
2707 if (wch >= L'a' && wch <= L'z') {
2708 break;
2709 } else {
2710 strtemp = str.Right(str.GetLength() - i + 1);
2711 }
2712 }
2713 if (strtemp != L"") {
2714 str = strtemp;
2715 }
2716 aPos = str.Find(L'@');
2717 if (aPos < 1) {
2718 return FALSE;
2719 }
2720 str.TrimRight(L'.');
2721 strtemp = str;
2722 int ePos = str.Find(L'.');
2723 if (ePos == -1) {
2724 return FALSE;
2725 }
2726 while (ePos != -1) {
2727 strtemp = strtemp.Right(strtemp.GetLength() - ePos - 1);
2728 ePos = strtemp.Find('.');
2729 }
2730 ePos = strtemp.GetLength();
2731 for (i = 0; i < ePos; i++) {
2732 FX_WCHAR wch = str.GetAt(i);
2733 if ((wch >= L'a' && wch <= L'z') || (wch >= L'0' && wch <= L'9')) {
2734 continue;
2735 } else {
2736 str = str.Left(str.GetLength() - ePos + i + 1);
2737 ePos = ePos - i - 1;
2738 break;
2739 }
2740 }
2741 int nLen = str.GetLength();
2742 for (i = aPos + 1; i < nLen - ePos; i++) {
2743 FX_WCHAR wch = str.GetAt(i);
2744 if (wch == L'-' || wch == L'.' || (wch >= L'a' && wch <= L'z') || (wch >= L'0' && wch <= L'9')) {
2745 continue;
2746 } else {
2747 return FALSE;
2748 }
2749 }
2750 if (str.Find(L"mailto:") == -1) {
2751 str = L"mailto:" + str;
2752 }
2753 return TRUE;
2754 }
2755 FX_BOOL CPDF_LinkExtract::AppendToLinkList(int start, int count, CFX_WideString strUrl)
2756 {
2757 CPDF_LinkExt* linkInfo = NULL;
2758 linkInfo = FX_NEW CPDF_LinkExt;
2759 if (!linkInfo) {
2760 return FALSE;
2761 }
2762 linkInfo->m_strUrl = strUrl;
2763 linkInfo->m_Start = start;
2764 linkInfo->m_Count = count;
2765 m_LinkList.Add(linkInfo);
2766 return TRUE;
2767 }
2768 CFX_WideString CPDF_LinkExtract::GetURL(int index) const
2769 {
2770 if (!m_IsParserd || index < 0 || index >= m_LinkList.GetSize()) {
2771 return L"";
2772 }
2773 CPDF_LinkExt* link = NULL;
2774 link = m_LinkList.GetAt(index);
2775 if (!link) {
2776 return L"";
2777 }
2778 return link->m_strUrl;
2779 }
2780 void CPDF_LinkExtract::GetBoundedSegment(int index, int& start, int& count) const
2781 {
2782 if (!m_IsParserd || index < 0 || index >= m_LinkList.GetSize()) {
2783 return ;
2784 }
2785 CPDF_LinkExt* link = NULL;
2786 link = m_LinkList.GetAt(index);
2787 if (!link) {
2788 return ;
2789 }
2790 start = link->m_Start;
2791 count = link->m_Count;
2792 }
2793 void CPDF_LinkExtract::GetRects(int index, CFX_RectArray& rects) const
2794 {
2795 if (!m_IsParserd || index < 0 || index >= m_LinkList.GetSize()) {
2796 return;
2797 }
2798 CPDF_LinkExt* link = NULL;
2799 link = m_LinkList.GetAt(index);
2800 if (!link) {
2801 return ;
2802 }
2803 m_pTextPage->GetRectArray(link->m_Start, link->m_Count, rects);
2804 }
2805