OLD | NEW |
1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include <algorithm> | 7 #include "core/fpdfdoc/doc_vt.h" |
8 | |
9 #include "core/fpdfdoc/cpvt_wordinfo.h" | |
10 #include "core/fpdfdoc/csection.h" | |
11 #include "core/fpdfdoc/include/cpdf_variabletext.h" | |
12 #include "core/fpdfdoc/include/fpdf_doc.h" | |
13 #include "core/fpdfdoc/pdf_vt.h" | |
14 | 8 |
15 CLine::CLine() {} | 9 CLine::CLine() {} |
| 10 |
16 CLine::~CLine() {} | 11 CLine::~CLine() {} |
| 12 |
17 CPVT_WordPlace CLine::GetBeginWordPlace() const { | 13 CPVT_WordPlace CLine::GetBeginWordPlace() const { |
18 return CPVT_WordPlace(LinePlace.nSecIndex, LinePlace.nLineIndex, -1); | 14 return CPVT_WordPlace(LinePlace.nSecIndex, LinePlace.nLineIndex, -1); |
19 } | 15 } |
20 CPVT_WordPlace CLine::GetEndWordPlace() const { | 16 CPVT_WordPlace CLine::GetEndWordPlace() const { |
21 return CPVT_WordPlace(LinePlace.nSecIndex, LinePlace.nLineIndex, | 17 return CPVT_WordPlace(LinePlace.nSecIndex, LinePlace.nLineIndex, |
22 m_LineInfo.nEndWordIndex); | 18 m_LineInfo.nEndWordIndex); |
23 } | 19 } |
24 CPVT_WordPlace CLine::GetPrevWordPlace(const CPVT_WordPlace& place) const { | 20 CPVT_WordPlace CLine::GetPrevWordPlace(const CPVT_WordPlace& place) const { |
25 if (place.nWordIndex > m_LineInfo.nEndWordIndex) { | 21 if (place.nWordIndex > m_LineInfo.nEndWordIndex) { |
26 return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, | 22 return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, |
27 m_LineInfo.nEndWordIndex); | 23 m_LineInfo.nEndWordIndex); |
28 } | 24 } |
29 return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, | 25 return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, |
30 place.nWordIndex - 1); | 26 place.nWordIndex - 1); |
31 } | 27 } |
32 CPVT_WordPlace CLine::GetNextWordPlace(const CPVT_WordPlace& place) const { | 28 CPVT_WordPlace CLine::GetNextWordPlace(const CPVT_WordPlace& place) const { |
33 if (place.nWordIndex < m_LineInfo.nBeginWordIndex) { | 29 if (place.nWordIndex < m_LineInfo.nBeginWordIndex) { |
34 return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, | 30 return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, |
35 m_LineInfo.nBeginWordIndex); | 31 m_LineInfo.nBeginWordIndex); |
36 } | 32 } |
37 return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, | 33 return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, |
38 place.nWordIndex + 1); | 34 place.nWordIndex + 1); |
39 } | 35 } |
40 CSection::CSection(CPDF_VariableText* pVT) : m_pVT(pVT) {} | 36 |
41 CSection::~CSection() { | 37 CPDF_EditContainer::CPDF_EditContainer() |
42 ResetAll(); | 38 : m_rcPlate(0, 0, 0, 0), m_rcContent(0, 0, 0, 0) {} |
| 39 |
| 40 CPDF_EditContainer::~CPDF_EditContainer() {} |
| 41 |
| 42 CFX_FloatRect CPDF_EditContainer::InToOut(const CPVT_FloatRect& rect) const { |
| 43 CFX_FloatPoint ptLeftTop = InToOut(CFX_FloatPoint(rect.left, rect.top)); |
| 44 CFX_FloatPoint ptRightBottom = |
| 45 InToOut(CFX_FloatPoint(rect.right, rect.bottom)); |
| 46 return CFX_FloatRect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x, |
| 47 ptLeftTop.y); |
43 } | 48 } |
44 void CSection::ResetAll() { | |
45 ResetWordArray(); | |
46 ResetLineArray(); | |
47 } | |
48 void CSection::ResetLineArray() { | |
49 m_LineArray.RemoveAll(); | |
50 } | |
51 void CSection::ResetWordArray() { | |
52 for (int32_t i = 0, sz = m_WordArray.GetSize(); i < sz; i++) { | |
53 delete m_WordArray.GetAt(i); | |
54 } | |
55 m_WordArray.RemoveAll(); | |
56 } | |
57 void CSection::ResetLinePlace() { | |
58 for (int32_t i = 0, sz = m_LineArray.GetSize(); i < sz; i++) { | |
59 if (CLine* pLine = m_LineArray.GetAt(i)) { | |
60 pLine->LinePlace = CPVT_WordPlace(SecPlace.nSecIndex, i, -1); | |
61 } | |
62 } | |
63 } | |
64 CPVT_WordPlace CSection::AddWord(const CPVT_WordPlace& place, | |
65 const CPVT_WordInfo& wordinfo) { | |
66 CPVT_WordInfo* pWord = new CPVT_WordInfo(wordinfo); | |
67 int32_t nWordIndex = | |
68 std::max(std::min(place.nWordIndex, m_WordArray.GetSize()), 0); | |
69 if (nWordIndex == m_WordArray.GetSize()) { | |
70 m_WordArray.Add(pWord); | |
71 } else { | |
72 m_WordArray.InsertAt(nWordIndex, pWord); | |
73 } | |
74 return place; | |
75 } | |
76 CPVT_WordPlace CSection::AddLine(const CPVT_LineInfo& lineinfo) { | |
77 return CPVT_WordPlace(SecPlace.nSecIndex, m_LineArray.Add(lineinfo), -1); | |
78 } | |
79 CPVT_FloatRect CSection::Rearrange() { | |
80 if (m_pVT->m_nCharArray > 0) { | |
81 return CTypeset(this).CharArray(); | |
82 } | |
83 return CTypeset(this).Typeset(); | |
84 } | |
85 CPVT_Size CSection::GetSectionSize(FX_FLOAT fFontSize) { | |
86 return CTypeset(this).GetEditSize(fFontSize); | |
87 } | |
88 CPVT_WordPlace CSection::GetBeginWordPlace() const { | |
89 if (CLine* pLine = m_LineArray.GetAt(0)) { | |
90 return pLine->GetBeginWordPlace(); | |
91 } | |
92 return SecPlace; | |
93 } | |
94 CPVT_WordPlace CSection::GetEndWordPlace() const { | |
95 if (CLine* pLine = m_LineArray.GetAt(m_LineArray.GetSize() - 1)) { | |
96 return pLine->GetEndWordPlace(); | |
97 } | |
98 return SecPlace; | |
99 } | |
100 CPVT_WordPlace CSection::GetPrevWordPlace(const CPVT_WordPlace& place) const { | |
101 if (place.nLineIndex < 0) { | |
102 return GetBeginWordPlace(); | |
103 } | |
104 if (place.nLineIndex >= m_LineArray.GetSize()) { | |
105 return GetEndWordPlace(); | |
106 } | |
107 if (CLine* pLine = m_LineArray.GetAt(place.nLineIndex)) { | |
108 if (place.nWordIndex == pLine->m_LineInfo.nBeginWordIndex) { | |
109 return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, -1); | |
110 } | |
111 if (place.nWordIndex < pLine->m_LineInfo.nBeginWordIndex) { | |
112 if (CLine* pPrevLine = m_LineArray.GetAt(place.nLineIndex - 1)) { | |
113 return pPrevLine->GetEndWordPlace(); | |
114 } | |
115 } else { | |
116 return pLine->GetPrevWordPlace(place); | |
117 } | |
118 } | |
119 return place; | |
120 } | |
121 CPVT_WordPlace CSection::GetNextWordPlace(const CPVT_WordPlace& place) const { | |
122 if (place.nLineIndex < 0) { | |
123 return GetBeginWordPlace(); | |
124 } | |
125 if (place.nLineIndex >= m_LineArray.GetSize()) { | |
126 return GetEndWordPlace(); | |
127 } | |
128 if (CLine* pLine = m_LineArray.GetAt(place.nLineIndex)) { | |
129 if (place.nWordIndex >= pLine->m_LineInfo.nEndWordIndex) { | |
130 if (CLine* pNextLine = m_LineArray.GetAt(place.nLineIndex + 1)) { | |
131 return pNextLine->GetBeginWordPlace(); | |
132 } | |
133 } else { | |
134 return pLine->GetNextWordPlace(place); | |
135 } | |
136 } | |
137 return place; | |
138 } | |
139 void CSection::UpdateWordPlace(CPVT_WordPlace& place) const { | |
140 int32_t nLeft = 0; | |
141 int32_t nRight = m_LineArray.GetSize() - 1; | |
142 int32_t nMid = (nLeft + nRight) / 2; | |
143 while (nLeft <= nRight) { | |
144 if (CLine* pLine = m_LineArray.GetAt(nMid)) { | |
145 if (place.nWordIndex < pLine->m_LineInfo.nBeginWordIndex) { | |
146 nRight = nMid - 1; | |
147 nMid = (nLeft + nRight) / 2; | |
148 } else if (place.nWordIndex > pLine->m_LineInfo.nEndWordIndex) { | |
149 nLeft = nMid + 1; | |
150 nMid = (nLeft + nRight) / 2; | |
151 } else { | |
152 place.nLineIndex = nMid; | |
153 return; | |
154 } | |
155 } else { | |
156 break; | |
157 } | |
158 } | |
159 } | |
160 CPVT_WordPlace CSection::SearchWordPlace(const CFX_FloatPoint& point) const { | |
161 ASSERT(m_pVT); | |
162 CPVT_WordPlace place = GetBeginWordPlace(); | |
163 FX_BOOL bUp = TRUE; | |
164 FX_BOOL bDown = TRUE; | |
165 int32_t nLeft = 0; | |
166 int32_t nRight = m_LineArray.GetSize() - 1; | |
167 int32_t nMid = m_LineArray.GetSize() / 2; | |
168 FX_FLOAT fTop = 0; | |
169 FX_FLOAT fBottom = 0; | |
170 while (nLeft <= nRight) { | |
171 if (CLine* pLine = m_LineArray.GetAt(nMid)) { | |
172 fTop = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineAscent - | |
173 m_pVT->GetLineLeading(m_SecInfo); | |
174 fBottom = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineDescent; | |
175 if (IsFloatBigger(point.y, fTop)) { | |
176 bUp = FALSE; | |
177 } | |
178 if (IsFloatSmaller(point.y, fBottom)) { | |
179 bDown = FALSE; | |
180 } | |
181 if (IsFloatSmaller(point.y, fTop)) { | |
182 nRight = nMid - 1; | |
183 nMid = (nLeft + nRight) / 2; | |
184 continue; | |
185 } else if (IsFloatBigger(point.y, fBottom)) { | |
186 nLeft = nMid + 1; | |
187 nMid = (nLeft + nRight) / 2; | |
188 continue; | |
189 } else { | |
190 place = SearchWordPlace( | |
191 point.x, | |
192 CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()), | |
193 pLine->GetEndWordPlace())); | |
194 place.nLineIndex = nMid; | |
195 return place; | |
196 } | |
197 } | |
198 } | |
199 if (bUp) { | |
200 place = GetBeginWordPlace(); | |
201 } | |
202 if (bDown) { | |
203 place = GetEndWordPlace(); | |
204 } | |
205 return place; | |
206 } | |
207 CPVT_WordPlace CSection::SearchWordPlace( | |
208 FX_FLOAT fx, | |
209 const CPVT_WordPlace& lineplace) const { | |
210 if (CLine* pLine = m_LineArray.GetAt(lineplace.nLineIndex)) { | |
211 return SearchWordPlace( | |
212 fx - m_SecInfo.rcSection.left, | |
213 CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()), | |
214 pLine->GetEndWordPlace())); | |
215 } | |
216 return GetBeginWordPlace(); | |
217 } | |
218 CPVT_WordPlace CSection::SearchWordPlace(FX_FLOAT fx, | |
219 const CPVT_WordRange& range) const { | |
220 CPVT_WordPlace wordplace = range.BeginPos; | |
221 wordplace.nWordIndex = -1; | |
222 if (!m_pVT) { | |
223 return wordplace; | |
224 } | |
225 int32_t nLeft = range.BeginPos.nWordIndex; | |
226 int32_t nRight = range.EndPos.nWordIndex + 1; | |
227 int32_t nMid = (nLeft + nRight) / 2; | |
228 while (nLeft < nRight) { | |
229 if (nMid == nLeft) { | |
230 break; | |
231 } | |
232 if (nMid == nRight) { | |
233 nMid--; | |
234 break; | |
235 } | |
236 if (CPVT_WordInfo* pWord = m_WordArray.GetAt(nMid)) { | |
237 if (fx > | |
238 pWord->fWordX + m_pVT->GetWordWidth(*pWord) * VARIABLETEXT_HALF) { | |
239 nLeft = nMid; | |
240 nMid = (nLeft + nRight) / 2; | |
241 continue; | |
242 } else { | |
243 nRight = nMid; | |
244 nMid = (nLeft + nRight) / 2; | |
245 continue; | |
246 } | |
247 } else { | |
248 break; | |
249 } | |
250 } | |
251 if (CPVT_WordInfo* pWord = m_WordArray.GetAt(nMid)) { | |
252 if (fx > pWord->fWordX + m_pVT->GetWordWidth(*pWord) * VARIABLETEXT_HALF) { | |
253 wordplace.nWordIndex = nMid; | |
254 } | |
255 } | |
256 return wordplace; | |
257 } | |
258 void CSection::ClearLeftWords(int32_t nWordIndex) { | |
259 for (int32_t i = nWordIndex; i >= 0; i--) { | |
260 delete m_WordArray.GetAt(i); | |
261 m_WordArray.RemoveAt(i); | |
262 } | |
263 } | |
264 void CSection::ClearRightWords(int32_t nWordIndex) { | |
265 for (int32_t i = m_WordArray.GetSize() - 1; i > nWordIndex; i--) { | |
266 delete m_WordArray.GetAt(i); | |
267 m_WordArray.RemoveAt(i); | |
268 } | |
269 } | |
270 void CSection::ClearMidWords(int32_t nBeginIndex, int32_t nEndIndex) { | |
271 for (int32_t i = nEndIndex; i > nBeginIndex; i--) { | |
272 delete m_WordArray.GetAt(i); | |
273 m_WordArray.RemoveAt(i); | |
274 } | |
275 } | |
276 void CSection::ClearWords(const CPVT_WordRange& PlaceRange) { | |
277 CPVT_WordPlace SecBeginPos = GetBeginWordPlace(); | |
278 CPVT_WordPlace SecEndPos = GetEndWordPlace(); | |
279 if (PlaceRange.BeginPos.WordCmp(SecBeginPos) >= 0) { | |
280 if (PlaceRange.EndPos.WordCmp(SecEndPos) <= 0) { | |
281 ClearMidWords(PlaceRange.BeginPos.nWordIndex, | |
282 PlaceRange.EndPos.nWordIndex); | |
283 } else { | |
284 ClearRightWords(PlaceRange.BeginPos.nWordIndex); | |
285 } | |
286 } else if (PlaceRange.EndPos.WordCmp(SecEndPos) <= 0) { | |
287 ClearLeftWords(PlaceRange.EndPos.nWordIndex); | |
288 } else { | |
289 ResetWordArray(); | |
290 } | |
291 } | |
292 void CSection::ClearWord(const CPVT_WordPlace& place) { | |
293 delete m_WordArray.GetAt(place.nWordIndex); | |
294 m_WordArray.RemoveAt(place.nWordIndex); | |
295 } | |
296 CTypeset::CTypeset(CSection* pSection) | |
297 : m_rcRet(0.0f, 0.0f, 0.0f, 0.0f), | |
298 m_pVT(pSection->m_pVT), | |
299 m_pSection(pSection) {} | |
300 CTypeset::~CTypeset() {} | |
301 CPVT_FloatRect CTypeset::CharArray() { | |
302 ASSERT(m_pSection); | |
303 FX_FLOAT fLineAscent = | |
304 m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize()); | |
305 FX_FLOAT fLineDescent = | |
306 m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize()); | |
307 m_rcRet.Default(); | |
308 FX_FLOAT x = 0.0f, y = 0.0f; | |
309 FX_FLOAT fNextWidth; | |
310 int32_t nStart = 0; | |
311 FX_FLOAT fNodeWidth = m_pVT->GetPlateWidth() / | |
312 (m_pVT->m_nCharArray <= 0 ? 1 : m_pVT->m_nCharArray); | |
313 if (CLine* pLine = m_pSection->m_LineArray.GetAt(0)) { | |
314 x = 0.0f; | |
315 y += m_pVT->GetLineLeading(m_pSection->m_SecInfo); | |
316 y += fLineAscent; | |
317 nStart = 0; | |
318 switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) { | |
319 case 0: | |
320 pLine->m_LineInfo.fLineX = fNodeWidth * VARIABLETEXT_HALF; | |
321 break; | |
322 case 1: | |
323 nStart = (m_pVT->m_nCharArray - m_pSection->m_WordArray.GetSize()) / 2; | |
324 pLine->m_LineInfo.fLineX = | |
325 fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF; | |
326 break; | |
327 case 2: | |
328 nStart = m_pVT->m_nCharArray - m_pSection->m_WordArray.GetSize(); | |
329 pLine->m_LineInfo.fLineX = | |
330 fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF; | |
331 break; | |
332 } | |
333 for (int32_t w = 0, sz = m_pSection->m_WordArray.GetSize(); w < sz; w++) { | |
334 if (w >= m_pVT->m_nCharArray) { | |
335 break; | |
336 } | |
337 fNextWidth = 0; | |
338 if (CPVT_WordInfo* pNextWord = | |
339 (CPVT_WordInfo*)m_pSection->m_WordArray.GetAt(w + 1)) { | |
340 pNextWord->fWordTail = 0; | |
341 fNextWidth = m_pVT->GetWordWidth(*pNextWord); | |
342 } | |
343 if (CPVT_WordInfo* pWord = | |
344 (CPVT_WordInfo*)m_pSection->m_WordArray.GetAt(w)) { | |
345 pWord->fWordTail = 0; | |
346 FX_FLOAT fWordWidth = m_pVT->GetWordWidth(*pWord); | |
347 FX_FLOAT fWordAscent = m_pVT->GetWordAscent(*pWord); | |
348 FX_FLOAT fWordDescent = m_pVT->GetWordDescent(*pWord); | |
349 x = (FX_FLOAT)(fNodeWidth * (w + nStart + 0.5) - | |
350 fWordWidth * VARIABLETEXT_HALF); | |
351 pWord->fWordX = x; | |
352 pWord->fWordY = y; | |
353 if (w == 0) { | |
354 pLine->m_LineInfo.fLineX = x; | |
355 } | |
356 if (w != m_pSection->m_WordArray.GetSize() - 1) { | |
357 pWord->fWordTail = | |
358 (fNodeWidth - (fWordWidth + fNextWidth) * VARIABLETEXT_HALF > 0 | |
359 ? fNodeWidth - (fWordWidth + fNextWidth) * VARIABLETEXT_HALF | |
360 : 0); | |
361 } else { | |
362 pWord->fWordTail = 0; | |
363 } | |
364 x += fWordWidth; | |
365 fLineAscent = std::max(fLineAscent, fWordAscent); | |
366 fLineDescent = std::min(fLineDescent, fWordDescent); | |
367 } | |
368 } | |
369 pLine->m_LineInfo.nBeginWordIndex = 0; | |
370 pLine->m_LineInfo.nEndWordIndex = m_pSection->m_WordArray.GetSize() - 1; | |
371 pLine->m_LineInfo.fLineY = y; | |
372 pLine->m_LineInfo.fLineWidth = x - pLine->m_LineInfo.fLineX; | |
373 pLine->m_LineInfo.fLineAscent = fLineAscent; | |
374 pLine->m_LineInfo.fLineDescent = fLineDescent; | |
375 y -= fLineDescent; | |
376 } | |
377 return m_rcRet = CPVT_FloatRect(0, 0, x, y); | |
378 } | |
379 CPVT_Size CTypeset::GetEditSize(FX_FLOAT fFontSize) { | |
380 ASSERT(m_pSection); | |
381 ASSERT(m_pVT); | |
382 SplitLines(FALSE, fFontSize); | |
383 return CPVT_Size(m_rcRet.Width(), m_rcRet.Height()); | |
384 } | |
385 CPVT_FloatRect CTypeset::Typeset() { | |
386 ASSERT(m_pVT); | |
387 m_pSection->m_LineArray.Empty(); | |
388 SplitLines(TRUE, 0.0f); | |
389 m_pSection->m_LineArray.Clear(); | |
390 OutputLines(); | |
391 return m_rcRet; | |
392 } | |
393 | |
394 static const uint8_t special_chars[128] = { | |
395 0x00, 0x0C, 0x08, 0x0C, 0x08, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, | |
396 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
397 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x00, | |
398 0x10, 0x00, 0x00, 0x28, 0x0C, 0x08, 0x00, 0x00, 0x28, 0x28, 0x28, 0x28, | |
399 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x08, 0x08, | |
400 0x00, 0x00, 0x00, 0x08, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, | |
401 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, | |
402 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x0C, 0x00, 0x08, 0x00, 0x00, | |
403 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, | |
404 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, | |
405 0x01, 0x01, 0x01, 0x0C, 0x00, 0x08, 0x00, 0x00, | |
406 }; | |
407 | |
408 static bool IsLatin(uint16_t word) { | |
409 if (word <= 0x007F) | |
410 return !!(special_chars[word] & 0x01); | |
411 | |
412 return ((word >= 0x00C0 && word <= 0x00FF) || | |
413 (word >= 0x0100 && word <= 0x024F) || | |
414 (word >= 0x1E00 && word <= 0x1EFF) || | |
415 (word >= 0x2C60 && word <= 0x2C7F) || | |
416 (word >= 0xA720 && word <= 0xA7FF) || | |
417 (word >= 0xFF21 && word <= 0xFF3A) || | |
418 (word >= 0xFF41 && word <= 0xFF5A)); | |
419 } | |
420 | |
421 static bool IsDigit(uint32_t word) { | |
422 return word >= 0x0030 && word <= 0x0039; | |
423 } | |
424 | |
425 static bool IsCJK(uint32_t word) { | |
426 if ((word >= 0x1100 && word <= 0x11FF) || | |
427 (word >= 0x2E80 && word <= 0x2FFF) || | |
428 (word >= 0x3040 && word <= 0x9FBF) || | |
429 (word >= 0xAC00 && word <= 0xD7AF) || | |
430 (word >= 0xF900 && word <= 0xFAFF) || | |
431 (word >= 0xFE30 && word <= 0xFE4F) || | |
432 (word >= 0x20000 && word <= 0x2A6DF) || | |
433 (word >= 0x2F800 && word <= 0x2FA1F)) { | |
434 return true; | |
435 } | |
436 if (word >= 0x3000 && word <= 0x303F) { | |
437 return ( | |
438 word == 0x3005 || word == 0x3006 || word == 0x3021 || word == 0x3022 || | |
439 word == 0x3023 || word == 0x3024 || word == 0x3025 || word == 0x3026 || | |
440 word == 0x3027 || word == 0x3028 || word == 0x3029 || word == 0x3031 || | |
441 word == 0x3032 || word == 0x3033 || word == 0x3034 || word == 0x3035); | |
442 } | |
443 return word >= 0xFF66 && word <= 0xFF9D; | |
444 } | |
445 | |
446 static bool IsPunctuation(uint32_t word) { | |
447 if (word <= 0x007F) | |
448 return !!(special_chars[word] & 0x08); | |
449 | |
450 if (word >= 0x0080 && word <= 0x00FF) { | |
451 return (word == 0x0082 || word == 0x0084 || word == 0x0085 || | |
452 word == 0x0091 || word == 0x0092 || word == 0x0093 || | |
453 word <= 0x0094 || word == 0x0096 || word == 0x00B4 || | |
454 word == 0x00B8); | |
455 } | |
456 | |
457 if (word >= 0x2000 && word <= 0x206F) { | |
458 return ( | |
459 word == 0x2010 || word == 0x2011 || word == 0x2012 || word == 0x2013 || | |
460 word == 0x2018 || word == 0x2019 || word == 0x201A || word == 0x201B || | |
461 word == 0x201C || word == 0x201D || word == 0x201E || word == 0x201F || | |
462 word == 0x2032 || word == 0x2033 || word == 0x2034 || word == 0x2035 || | |
463 word == 0x2036 || word == 0x2037 || word == 0x203C || word == 0x203D || | |
464 word == 0x203E || word == 0x2044); | |
465 } | |
466 | |
467 if (word >= 0x3000 && word <= 0x303F) { | |
468 return ( | |
469 word == 0x3001 || word == 0x3002 || word == 0x3003 || word == 0x3005 || | |
470 word == 0x3009 || word == 0x300A || word == 0x300B || word == 0x300C || | |
471 word == 0x300D || word == 0x300F || word == 0x300E || word == 0x3010 || | |
472 word == 0x3011 || word == 0x3014 || word == 0x3015 || word == 0x3016 || | |
473 word == 0x3017 || word == 0x3018 || word == 0x3019 || word == 0x301A || | |
474 word == 0x301B || word == 0x301D || word == 0x301E || word == 0x301F); | |
475 } | |
476 | |
477 if (word >= 0xFE50 && word <= 0xFE6F) | |
478 return (word >= 0xFE50 && word <= 0xFE5E) || word == 0xFE63; | |
479 | |
480 if (word >= 0xFF00 && word <= 0xFFEF) { | |
481 return ( | |
482 word == 0xFF01 || word == 0xFF02 || word == 0xFF07 || word == 0xFF08 || | |
483 word == 0xFF09 || word == 0xFF0C || word == 0xFF0E || word == 0xFF0F || | |
484 word == 0xFF1A || word == 0xFF1B || word == 0xFF1F || word == 0xFF3B || | |
485 word == 0xFF3D || word == 0xFF40 || word == 0xFF5B || word == 0xFF5C || | |
486 word == 0xFF5D || word == 0xFF61 || word == 0xFF62 || word == 0xFF63 || | |
487 word == 0xFF64 || word == 0xFF65 || word == 0xFF9E || word == 0xFF9F); | |
488 } | |
489 | |
490 return false; | |
491 } | |
492 | |
493 static bool IsConnectiveSymbol(uint32_t word) { | |
494 return word <= 0x007F && (special_chars[word] & 0x20); | |
495 } | |
496 | |
497 static bool IsOpenStylePunctuation(uint32_t word) { | |
498 if (word <= 0x007F) | |
499 return !!(special_chars[word] & 0x04); | |
500 | |
501 return (word == 0x300A || word == 0x300C || word == 0x300E || | |
502 word == 0x3010 || word == 0x3014 || word == 0x3016 || | |
503 word == 0x3018 || word == 0x301A || word == 0xFF08 || | |
504 word == 0xFF3B || word == 0xFF5B || word == 0xFF62); | |
505 } | |
506 | |
507 static bool IsCurrencySymbol(uint16_t word) { | |
508 return (word == 0x0024 || word == 0x0080 || word == 0x00A2 || | |
509 word == 0x00A3 || word == 0x00A4 || word == 0x00A5 || | |
510 (word >= 0x20A0 && word <= 0x20CF) || word == 0xFE69 || | |
511 word == 0xFF04 || word == 0xFFE0 || word == 0xFFE1 || | |
512 word == 0xFFE5 || word == 0xFFE6); | |
513 } | |
514 | |
515 static bool IsPrefixSymbol(uint16_t word) { | |
516 return IsCurrencySymbol(word) || word == 0x2116; | |
517 } | |
518 | |
519 static bool IsSpace(uint16_t word) { | |
520 return word == 0x0020 || word == 0x3000; | |
521 } | |
522 | |
523 static bool NeedDivision(uint16_t prevWord, uint16_t curWord) { | |
524 if ((IsLatin(prevWord) || IsDigit(prevWord)) && | |
525 (IsLatin(curWord) || IsDigit(curWord))) { | |
526 return false; | |
527 } | |
528 if (IsSpace(curWord) || IsPunctuation(curWord)) { | |
529 return false; | |
530 } | |
531 if (IsConnectiveSymbol(prevWord) || IsConnectiveSymbol(curWord)) { | |
532 return false; | |
533 } | |
534 if (IsSpace(prevWord) || IsPunctuation(prevWord)) { | |
535 return true; | |
536 } | |
537 if (IsPrefixSymbol(prevWord)) { | |
538 return false; | |
539 } | |
540 if (IsPrefixSymbol(curWord) || IsCJK(curWord)) { | |
541 return true; | |
542 } | |
543 if (IsCJK(prevWord)) { | |
544 return true; | |
545 } | |
546 return false; | |
547 } | |
548 | |
549 void CTypeset::SplitLines(FX_BOOL bTypeset, FX_FLOAT fFontSize) { | |
550 ASSERT(m_pVT); | |
551 ASSERT(m_pSection); | |
552 int32_t nLineHead = 0; | |
553 int32_t nLineTail = 0; | |
554 FX_FLOAT fMaxX = 0.0f, fMaxY = 0.0f; | |
555 FX_FLOAT fLineWidth = 0.0f, fBackupLineWidth = 0.0f; | |
556 FX_FLOAT fLineAscent = 0.0f, fBackupLineAscent = 0.0f; | |
557 FX_FLOAT fLineDescent = 0.0f, fBackupLineDescent = 0.0f; | |
558 int32_t nWordStartPos = 0; | |
559 FX_BOOL bFullWord = FALSE; | |
560 int32_t nLineFullWordIndex = 0; | |
561 int32_t nCharIndex = 0; | |
562 CPVT_LineInfo line; | |
563 FX_FLOAT fWordWidth = 0; | |
564 FX_FLOAT fTypesetWidth = std::max( | |
565 m_pVT->GetPlateWidth() - m_pVT->GetLineIndent(m_pSection->m_SecInfo), | |
566 0.0f); | |
567 int32_t nTotalWords = m_pSection->m_WordArray.GetSize(); | |
568 FX_BOOL bOpened = FALSE; | |
569 if (nTotalWords > 0) { | |
570 int32_t i = 0; | |
571 while (i < nTotalWords) { | |
572 CPVT_WordInfo* pWord = m_pSection->m_WordArray.GetAt(i); | |
573 CPVT_WordInfo* pOldWord = pWord; | |
574 if (i > 0) { | |
575 pOldWord = m_pSection->m_WordArray.GetAt(i - 1); | |
576 } | |
577 if (pWord) { | |
578 if (bTypeset) { | |
579 fLineAscent = | |
580 std::max(fLineAscent, m_pVT->GetWordAscent(*pWord, TRUE)); | |
581 fLineDescent = | |
582 std::min(fLineDescent, m_pVT->GetWordDescent(*pWord, TRUE)); | |
583 fWordWidth = m_pVT->GetWordWidth(*pWord); | |
584 } else { | |
585 fLineAscent = | |
586 std::max(fLineAscent, m_pVT->GetWordAscent(*pWord, fFontSize)); | |
587 fLineDescent = | |
588 std::min(fLineDescent, m_pVT->GetWordDescent(*pWord, fFontSize)); | |
589 fWordWidth = m_pVT->GetWordWidth( | |
590 pWord->nFontIndex, pWord->Word, m_pVT->m_wSubWord, | |
591 m_pVT->m_fCharSpace, m_pVT->m_nHorzScale, fFontSize, | |
592 pWord->fWordTail, 0); | |
593 } | |
594 if (!bOpened) { | |
595 if (IsOpenStylePunctuation(pWord->Word)) { | |
596 bOpened = TRUE; | |
597 bFullWord = TRUE; | |
598 } else if (pOldWord) { | |
599 if (NeedDivision(pOldWord->Word, pWord->Word)) { | |
600 bFullWord = TRUE; | |
601 } | |
602 } | |
603 } else { | |
604 if (!IsSpace(pWord->Word) && !IsOpenStylePunctuation(pWord->Word)) { | |
605 bOpened = FALSE; | |
606 } | |
607 } | |
608 if (bFullWord) { | |
609 bFullWord = FALSE; | |
610 if (nCharIndex > 0) { | |
611 nLineFullWordIndex++; | |
612 } | |
613 nWordStartPos = i; | |
614 fBackupLineWidth = fLineWidth; | |
615 fBackupLineAscent = fLineAscent; | |
616 fBackupLineDescent = fLineDescent; | |
617 } | |
618 nCharIndex++; | |
619 } | |
620 if (m_pVT->m_bLimitWidth && fTypesetWidth > 0 && | |
621 fLineWidth + fWordWidth > fTypesetWidth) { | |
622 if (nLineFullWordIndex > 0) { | |
623 i = nWordStartPos; | |
624 fLineWidth = fBackupLineWidth; | |
625 fLineAscent = fBackupLineAscent; | |
626 fLineDescent = fBackupLineDescent; | |
627 } | |
628 if (nCharIndex == 1) { | |
629 fLineWidth = fWordWidth; | |
630 i++; | |
631 } | |
632 nLineTail = i - 1; | |
633 if (bTypeset) { | |
634 line.nBeginWordIndex = nLineHead; | |
635 line.nEndWordIndex = nLineTail; | |
636 line.nTotalWord = nLineTail - nLineHead + 1; | |
637 line.fLineWidth = fLineWidth; | |
638 line.fLineAscent = fLineAscent; | |
639 line.fLineDescent = fLineDescent; | |
640 m_pSection->AddLine(line); | |
641 } | |
642 fMaxY += (fLineAscent + m_pVT->GetLineLeading(m_pSection->m_SecInfo)); | |
643 fMaxY -= fLineDescent; | |
644 fMaxX = std::max(fLineWidth, fMaxX); | |
645 nLineHead = i; | |
646 fLineWidth = 0.0f; | |
647 fLineAscent = 0.0f; | |
648 fLineDescent = 0.0f; | |
649 nCharIndex = 0; | |
650 nLineFullWordIndex = 0; | |
651 bFullWord = FALSE; | |
652 } else { | |
653 fLineWidth += fWordWidth; | |
654 i++; | |
655 } | |
656 } | |
657 if (nLineHead <= nTotalWords - 1) { | |
658 nLineTail = nTotalWords - 1; | |
659 if (bTypeset) { | |
660 line.nBeginWordIndex = nLineHead; | |
661 line.nEndWordIndex = nLineTail; | |
662 line.nTotalWord = nLineTail - nLineHead + 1; | |
663 line.fLineWidth = fLineWidth; | |
664 line.fLineAscent = fLineAscent; | |
665 line.fLineDescent = fLineDescent; | |
666 m_pSection->AddLine(line); | |
667 } | |
668 fMaxY += (fLineAscent + m_pVT->GetLineLeading(m_pSection->m_SecInfo)); | |
669 fMaxY -= fLineDescent; | |
670 fMaxX = std::max(fLineWidth, fMaxX); | |
671 } | |
672 } else { | |
673 if (bTypeset) { | |
674 fLineAscent = m_pVT->GetLineAscent(m_pSection->m_SecInfo); | |
675 fLineDescent = m_pVT->GetLineDescent(m_pSection->m_SecInfo); | |
676 } else { | |
677 fLineAscent = | |
678 m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), fFontSize); | |
679 fLineDescent = | |
680 m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), fFontSize); | |
681 } | |
682 if (bTypeset) { | |
683 line.nBeginWordIndex = -1; | |
684 line.nEndWordIndex = -1; | |
685 line.nTotalWord = 0; | |
686 line.fLineWidth = 0; | |
687 line.fLineAscent = fLineAscent; | |
688 line.fLineDescent = fLineDescent; | |
689 m_pSection->AddLine(line); | |
690 } | |
691 fMaxY += m_pVT->GetLineLeading(m_pSection->m_SecInfo) + fLineAscent - | |
692 fLineDescent; | |
693 } | |
694 m_rcRet = CPVT_FloatRect(0, 0, fMaxX, fMaxY); | |
695 } | |
696 void CTypeset::OutputLines() { | |
697 ASSERT(m_pVT); | |
698 ASSERT(m_pSection); | |
699 FX_FLOAT fMinX = 0.0f, fMinY = 0.0f, fMaxX = 0.0f, fMaxY = 0.0f; | |
700 FX_FLOAT fPosX = 0.0f, fPosY = 0.0f; | |
701 FX_FLOAT fLineIndent = m_pVT->GetLineIndent(m_pSection->m_SecInfo); | |
702 FX_FLOAT fTypesetWidth = std::max(m_pVT->GetPlateWidth() - fLineIndent, 0.0f); | |
703 switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) { | |
704 default: | |
705 case 0: | |
706 fMinX = 0.0f; | |
707 break; | |
708 case 1: | |
709 fMinX = (fTypesetWidth - m_rcRet.Width()) * VARIABLETEXT_HALF; | |
710 break; | |
711 case 2: | |
712 fMinX = fTypesetWidth - m_rcRet.Width(); | |
713 break; | |
714 } | |
715 fMaxX = fMinX + m_rcRet.Width(); | |
716 fMinY = 0.0f; | |
717 fMaxY = m_rcRet.Height(); | |
718 int32_t nTotalLines = m_pSection->m_LineArray.GetSize(); | |
719 if (nTotalLines > 0) { | |
720 m_pSection->m_SecInfo.nTotalLine = nTotalLines; | |
721 for (int32_t l = 0; l < nTotalLines; l++) { | |
722 if (CLine* pLine = m_pSection->m_LineArray.GetAt(l)) { | |
723 switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) { | |
724 default: | |
725 case 0: | |
726 fPosX = 0; | |
727 break; | |
728 case 1: | |
729 fPosX = (fTypesetWidth - pLine->m_LineInfo.fLineWidth) * | |
730 VARIABLETEXT_HALF; | |
731 break; | |
732 case 2: | |
733 fPosX = fTypesetWidth - pLine->m_LineInfo.fLineWidth; | |
734 break; | |
735 } | |
736 fPosX += fLineIndent; | |
737 fPosY += m_pVT->GetLineLeading(m_pSection->m_SecInfo); | |
738 fPosY += pLine->m_LineInfo.fLineAscent; | |
739 pLine->m_LineInfo.fLineX = fPosX - fMinX; | |
740 pLine->m_LineInfo.fLineY = fPosY - fMinY; | |
741 for (int32_t w = pLine->m_LineInfo.nBeginWordIndex; | |
742 w <= pLine->m_LineInfo.nEndWordIndex; w++) { | |
743 if (CPVT_WordInfo* pWord = m_pSection->m_WordArray.GetAt(w)) { | |
744 pWord->fWordX = fPosX - fMinX; | |
745 if (pWord->pWordProps) { | |
746 switch (pWord->pWordProps->nScriptType) { | |
747 default: | |
748 case CPDF_VariableText::ScriptType::Normal: | |
749 pWord->fWordY = fPosY - fMinY; | |
750 break; | |
751 case CPDF_VariableText::ScriptType::Super: | |
752 pWord->fWordY = fPosY - m_pVT->GetWordAscent(*pWord) - fMinY; | |
753 break; | |
754 case CPDF_VariableText::ScriptType::Sub: | |
755 pWord->fWordY = fPosY - m_pVT->GetWordDescent(*pWord) - fMinY; | |
756 break; | |
757 } | |
758 } else { | |
759 pWord->fWordY = fPosY - fMinY; | |
760 } | |
761 fPosX += m_pVT->GetWordWidth(*pWord); | |
762 } | |
763 } | |
764 fPosY -= pLine->m_LineInfo.fLineDescent; | |
765 } | |
766 } | |
767 } | |
768 m_rcRet = CPVT_FloatRect(fMinX, fMinY, fMaxX, fMaxY); | |
769 } | |
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