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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 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 "core/fpdfdoc/include/cpdf_variabletext.h" | |
8 | |
9 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h" | 7 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h" |
10 #include "core/fpdfdoc/cpvt_wordinfo.h" | 8 #include "core/fpdfdoc/cpvt_wordinfo.h" |
11 #include "core/fpdfdoc/csection.h" | 9 #include "core/fpdfdoc/csection.h" |
| 10 #include "core/fpdfdoc/include/cpdf_variabletext.h" |
12 #include "core/fpdfdoc/include/cpvt_section.h" | 11 #include "core/fpdfdoc/include/cpvt_section.h" |
13 #include "core/fpdfdoc/include/cpvt_word.h" | 12 #include "core/fpdfdoc/include/cpvt_word.h" |
14 #include "core/fpdfdoc/include/ipvt_fontmap.h" | 13 #include "core/fpdfdoc/include/ipvt_fontmap.h" |
15 | 14 |
16 namespace { | 15 namespace { |
17 | 16 |
18 const float kDefaultFontSize = 18.0f; | 17 const float kDefaultFontSize = 18.0f; |
19 const float kFontScale = 0.001f; | 18 const float kFontScale = 0.001f; |
20 const uint8_t kReturnLength = 1; | 19 const uint8_t kReturnLength = 1; |
21 const float kScalePercent = 0.01f; | 20 const float kScalePercent = 0.01f; |
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64 return 0; | 63 return 0; |
65 } | 64 } |
66 if (CPDF_Font* pSysFont = m_pFontMap->GetPDFFont(1)) { | 65 if (CPDF_Font* pSysFont = m_pFontMap->GetPDFFont(1)) { |
67 if (pSysFont->CharCodeFromUnicode(word) != CPDF_Font::kInvalidCharCode) | 66 if (pSysFont->CharCodeFromUnicode(word) != CPDF_Font::kInvalidCharCode) |
68 return 1; | 67 return 1; |
69 } | 68 } |
70 return -1; | 69 return -1; |
71 } | 70 } |
72 | 71 |
73 FX_BOOL CPDF_VariableText::Provider::IsLatinWord(uint16_t word) { | 72 FX_BOOL CPDF_VariableText::Provider::IsLatinWord(uint16_t word) { |
74 return (word >= 0x61 && word <= 0x7A) || (word >= 0x41 && word <= 0x5A) || | 73 if ((word >= 0x61 && word <= 0x7A) || (word >= 0x41 && word <= 0x5A) || |
75 word == 0x2D || word == 0x27; | 74 word == 0x2D || word == 0x27) { |
| 75 return TRUE; |
| 76 } |
| 77 return FALSE; |
76 } | 78 } |
77 | 79 |
78 int32_t CPDF_VariableText::Provider::GetDefaultFontIndex() { | 80 int32_t CPDF_VariableText::Provider::GetDefaultFontIndex() { |
79 return 0; | 81 return 0; |
80 } | 82 } |
81 | 83 |
82 CPDF_VariableText::Iterator::Iterator(CPDF_VariableText* pVT) | 84 CPDF_VariableText::Iterator::Iterator(CPDF_VariableText* pVT) |
83 : m_CurPos(-1, -1, -1), m_pVT(pVT) {} | 85 : m_CurPos(-1, -1, -1), m_pVT(pVT) {} |
84 | 86 |
85 CPDF_VariableText::Iterator::~Iterator() {} | 87 CPDF_VariableText::Iterator::~Iterator() {} |
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155 ASSERT(m_pVT); | 157 ASSERT(m_pVT); |
156 if (m_CurPos.nSecIndex > 0) { | 158 if (m_CurPos.nSecIndex > 0) { |
157 m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex - 1, 0, -1); | 159 m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex - 1, 0, -1); |
158 return TRUE; | 160 return TRUE; |
159 } | 161 } |
160 return FALSE; | 162 return FALSE; |
161 } | 163 } |
162 | 164 |
163 FX_BOOL CPDF_VariableText::Iterator::GetWord(CPVT_Word& word) const { | 165 FX_BOOL CPDF_VariableText::Iterator::GetWord(CPVT_Word& word) const { |
164 word.WordPlace = m_CurPos; | 166 word.WordPlace = m_CurPos; |
165 CSection* pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex); | 167 if (CSection* pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) { |
166 if (!pSection) | 168 if (pSection->m_LineArray.GetAt(m_CurPos.nLineIndex)) { |
167 return FALSE; | 169 if (CPVT_WordInfo* pWord = |
| 170 pSection->m_WordArray.GetAt(m_CurPos.nWordIndex)) { |
| 171 word.Word = pWord->Word; |
| 172 word.nCharset = pWord->nCharset; |
| 173 word.fWidth = m_pVT->GetWordWidth(*pWord); |
| 174 word.ptWord = m_pVT->InToOut( |
| 175 CFX_FloatPoint(pWord->fWordX + pSection->m_SecInfo.rcSection.left, |
| 176 pWord->fWordY + pSection->m_SecInfo.rcSection.top)); |
| 177 word.fAscent = m_pVT->GetWordAscent(*pWord); |
| 178 word.fDescent = m_pVT->GetWordDescent(*pWord); |
| 179 if (pWord->pWordProps) |
| 180 word.WordProps = *pWord->pWordProps; |
168 | 181 |
169 if (!pSection->m_LineArray.GetAt(m_CurPos.nLineIndex)) | 182 word.nFontIndex = m_pVT->GetWordFontIndex(*pWord); |
170 return FALSE; | 183 word.fFontSize = m_pVT->GetWordFontSize(*pWord); |
171 | 184 return TRUE; |
172 if (m_CurPos.nWordIndex < 0 || | 185 } |
173 m_CurPos.nWordIndex >= pSection->m_WordArray.GetSize()) { | 186 } |
174 return FALSE; | |
175 } | 187 } |
176 | 188 return FALSE; |
177 CPVT_WordInfo* pWord = pSection->m_WordArray.GetAt(m_CurPos.nWordIndex); | |
178 if (!pWord) | |
179 return FALSE; | |
180 | |
181 word.Word = pWord->Word; | |
182 word.nCharset = pWord->nCharset; | |
183 word.fWidth = m_pVT->GetWordWidth(*pWord); | |
184 word.ptWord = m_pVT->InToOut( | |
185 CFX_FloatPoint(pWord->fWordX + pSection->m_SecInfo.rcSection.left, | |
186 pWord->fWordY + pSection->m_SecInfo.rcSection.top)); | |
187 word.fAscent = m_pVT->GetWordAscent(*pWord); | |
188 word.fDescent = m_pVT->GetWordDescent(*pWord); | |
189 if (pWord->pWordProps) | |
190 word.WordProps = *pWord->pWordProps; | |
191 | |
192 word.nFontIndex = m_pVT->GetWordFontIndex(*pWord); | |
193 word.fFontSize = m_pVT->GetWordFontSize(*pWord); | |
194 return TRUE; | |
195 } | 189 } |
196 | 190 |
197 FX_BOOL CPDF_VariableText::Iterator::SetWord(const CPVT_Word& word) { | 191 FX_BOOL CPDF_VariableText::Iterator::SetWord(const CPVT_Word& word) { |
198 if (CSection* pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) { | 192 if (CSection* pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) { |
199 if (CPVT_WordInfo* pWord = | 193 if (CPVT_WordInfo* pWord = |
200 pSection->m_WordArray.GetAt(m_CurPos.nWordIndex)) { | 194 pSection->m_WordArray.GetAt(m_CurPos.nWordIndex)) { |
201 if (pWord->pWordProps) | 195 if (pWord->pWordProps) |
202 *pWord->pWordProps = word.WordProps; | 196 *pWord->pWordProps = word.WordProps; |
203 return TRUE; | 197 return TRUE; |
204 } | 198 } |
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728 if (nSecIndex == m_SectionArray.GetSize()) | 722 if (nSecIndex == m_SectionArray.GetSize()) |
729 m_SectionArray.Add(pSection); | 723 m_SectionArray.Add(pSection); |
730 else | 724 else |
731 m_SectionArray.InsertAt(nSecIndex, pSection); | 725 m_SectionArray.InsertAt(nSecIndex, pSection); |
732 | 726 |
733 return place; | 727 return place; |
734 } | 728 } |
735 | 729 |
736 CPVT_WordPlace CPDF_VariableText::AddLine(const CPVT_WordPlace& place, | 730 CPVT_WordPlace CPDF_VariableText::AddLine(const CPVT_WordPlace& place, |
737 const CPVT_LineInfo& lineinfo) { | 731 const CPVT_LineInfo& lineinfo) { |
738 if (m_SectionArray.GetSize() == 0) | 732 if (m_SectionArray.IsEmpty()) |
739 return place; | 733 return place; |
740 if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) | 734 if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) |
741 return pSection->AddLine(lineinfo); | 735 return pSection->AddLine(lineinfo); |
742 return place; | 736 return place; |
743 } | 737 } |
744 | 738 |
745 CPVT_WordPlace CPDF_VariableText::AddWord(const CPVT_WordPlace& place, | 739 CPVT_WordPlace CPDF_VariableText::AddWord(const CPVT_WordPlace& place, |
746 const CPVT_WordInfo& wordinfo) { | 740 const CPVT_WordInfo& wordinfo) { |
747 if (m_SectionArray.GetSize() <= 0) | 741 if (m_SectionArray.GetSize() <= 0) { |
748 return place; | 742 return place; |
749 | 743 } |
750 CPVT_WordPlace newplace = place; | 744 CPVT_WordPlace newplace = place; |
751 newplace.nSecIndex = | 745 newplace.nSecIndex = |
752 std::max(std::min(newplace.nSecIndex, m_SectionArray.GetSize() - 1), 0); | 746 std::max(std::min(newplace.nSecIndex, m_SectionArray.GetSize() - 1), 0); |
753 if (CSection* pSection = m_SectionArray.GetAt(newplace.nSecIndex)) | 747 if (CSection* pSection = m_SectionArray.GetAt(newplace.nSecIndex)) |
754 return pSection->AddWord(newplace, wordinfo); | 748 return pSection->AddWord(newplace, wordinfo); |
755 return place; | 749 return place; |
756 } | 750 } |
757 | 751 |
758 FX_BOOL CPDF_VariableText::GetWordInfo(const CPVT_WordPlace& place, | 752 FX_BOOL CPDF_VariableText::GetWordInfo(const CPVT_WordPlace& place, |
759 CPVT_WordInfo& wordinfo) { | 753 CPVT_WordInfo& wordinfo) { |
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1052 continue; | 1046 continue; |
1053 } else { | 1047 } else { |
1054 nLeft = nMid + 1; | 1048 nLeft = nMid + 1; |
1055 nMid = (nLeft + nRight) / 2; | 1049 nMid = (nLeft + nRight) / 2; |
1056 continue; | 1050 continue; |
1057 } | 1051 } |
1058 } | 1052 } |
1059 return (FX_FLOAT)gFontSizeSteps[nMid]; | 1053 return (FX_FLOAT)gFontSizeSteps[nMid]; |
1060 } | 1054 } |
1061 | 1055 |
1062 bool CPDF_VariableText::IsBigger(FX_FLOAT fFontSize) const { | 1056 FX_BOOL CPDF_VariableText::IsBigger(FX_FLOAT fFontSize) { |
1063 CFX_PointF szTotal; | 1057 FX_BOOL bBigger = FALSE; |
| 1058 CPVT_Size szTotal; |
1064 for (int32_t s = 0, sz = m_SectionArray.GetSize(); s < sz; s++) { | 1059 for (int32_t s = 0, sz = m_SectionArray.GetSize(); s < sz; s++) { |
1065 if (CSection* pSection = m_SectionArray.GetAt(s)) { | 1060 if (CSection* pSection = m_SectionArray.GetAt(s)) { |
1066 CFX_PointF size = pSection->GetSectionSize(fFontSize); | 1061 CPVT_Size size = pSection->GetSectionSize(fFontSize); |
1067 szTotal.x = std::max(size.x, szTotal.x); | 1062 szTotal.x = std::max(size.x, szTotal.x); |
1068 szTotal.y += size.y; | 1063 szTotal.y += size.y; |
1069 if (IsFloatBigger(szTotal.x, GetPlateWidth()) || | 1064 if (IsFloatBigger(szTotal.x, GetPlateWidth()) || |
1070 IsFloatBigger(szTotal.y, GetPlateHeight())) { | 1065 IsFloatBigger(szTotal.y, GetPlateHeight())) { |
1071 return true; | 1066 bBigger = TRUE; |
| 1067 break; |
1072 } | 1068 } |
1073 } | 1069 } |
1074 } | 1070 } |
1075 return false; | 1071 return bBigger; |
1076 } | 1072 } |
1077 | 1073 |
1078 CPVT_FloatRect CPDF_VariableText::RearrangeSections( | 1074 CPVT_FloatRect CPDF_VariableText::RearrangeSections( |
1079 const CPVT_WordRange& PlaceRange) { | 1075 const CPVT_WordRange& PlaceRange) { |
1080 CPVT_WordPlace place; | 1076 CPVT_WordPlace place; |
1081 FX_FLOAT fPosY = 0; | 1077 FX_FLOAT fPosY = 0; |
1082 FX_FLOAT fOldHeight; | 1078 FX_FLOAT fOldHeight; |
1083 int32_t nSSecIndex = PlaceRange.BeginPos.nSecIndex; | 1079 int32_t nSSecIndex = PlaceRange.BeginPos.nSecIndex; |
1084 int32_t nESecIndex = PlaceRange.EndPos.nSecIndex; | 1080 int32_t nESecIndex = PlaceRange.EndPos.nSecIndex; |
1085 CPVT_FloatRect rcRet; | 1081 CPVT_FloatRect rcRet; |
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1156 m_pVTIterator = new CPDF_VariableText::Iterator(this); | 1152 m_pVTIterator = new CPDF_VariableText::Iterator(this); |
1157 return m_pVTIterator; | 1153 return m_pVTIterator; |
1158 } | 1154 } |
1159 | 1155 |
1160 CPDF_VariableText::Provider* CPDF_VariableText::SetProvider( | 1156 CPDF_VariableText::Provider* CPDF_VariableText::SetProvider( |
1161 CPDF_VariableText::Provider* pProvider) { | 1157 CPDF_VariableText::Provider* pProvider) { |
1162 CPDF_VariableText::Provider* pOld = m_pVTProvider; | 1158 CPDF_VariableText::Provider* pOld = m_pVTProvider; |
1163 m_pVTProvider = pProvider; | 1159 m_pVTProvider = pProvider; |
1164 return pOld; | 1160 return pOld; |
1165 } | 1161 } |
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