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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 "public/fpdf_transformpage.h" | 7 #include "public/fpdf_transformpage.h" |
8 | 8 |
9 #include "core/fpdfapi/page/cpdf_clippath.h" | 9 #include "core/fpdfapi/page/cpdf_clippath.h" |
10 #include "core/fpdfapi/page/cpdf_page.h" | 10 #include "core/fpdfapi/page/cpdf_page.h" |
11 #include "core/fpdfapi/page/cpdf_pageobject.h" | 11 #include "core/fpdfapi/page/cpdf_pageobject.h" |
12 #include "core/fpdfapi/page/cpdf_path.h" | 12 #include "core/fpdfapi/page/cpdf_path.h" |
13 #include "core/fpdfapi/parser/cpdf_array.h" | 13 #include "core/fpdfapi/parser/cpdf_array.h" |
14 #include "core/fpdfapi/parser/cpdf_document.h" | 14 #include "core/fpdfapi/parser/cpdf_document.h" |
15 #include "core/fpdfapi/parser/cpdf_number.h" | 15 #include "core/fpdfapi/parser/cpdf_number.h" |
16 #include "core/fpdfapi/parser/cpdf_reference.h" | 16 #include "core/fpdfapi/parser/cpdf_reference.h" |
17 #include "core/fpdfapi/parser/cpdf_stream.h" | 17 #include "core/fpdfapi/parser/cpdf_stream.h" |
18 #include "core/fxge/cfx_pathdata.h" | 18 #include "core/fxge/cfx_pathdata.h" |
19 #include "fpdfsdk/fsdk_define.h" | 19 #include "fpdfsdk/fsdk_define.h" |
20 | 20 |
21 namespace { | 21 namespace { |
22 | 22 |
23 void SetBoundingBox(CPDF_Page* page, | 23 void SetBoundingBox(CPDF_Page* page, |
24 const CFX_ByteString& key, | 24 const CFX_ByteString& key, |
25 float left, | 25 float left, |
26 float bottom, | 26 float bottom, |
27 float right, | 27 float right, |
28 float top) { | 28 float top) { |
29 CPDF_Array* pBoundingBoxArray = new CPDF_Array; | 29 CPDF_Array* pBoundingBoxArray = page->m_pFormDict->SetNewFor<CPDF_Array>(key); |
30 pBoundingBoxArray->AddNew<CPDF_Number>(left); | 30 pBoundingBoxArray->AddNew<CPDF_Number>(left); |
31 pBoundingBoxArray->AddNew<CPDF_Number>(bottom); | 31 pBoundingBoxArray->AddNew<CPDF_Number>(bottom); |
32 pBoundingBoxArray->AddNew<CPDF_Number>(right); | 32 pBoundingBoxArray->AddNew<CPDF_Number>(right); |
33 pBoundingBoxArray->AddNew<CPDF_Number>(top); | 33 pBoundingBoxArray->AddNew<CPDF_Number>(top); |
34 page->m_pFormDict->SetFor(key, pBoundingBoxArray); | |
35 } | 34 } |
36 | 35 |
37 bool GetBoundingBox(CPDF_Page* page, | 36 bool GetBoundingBox(CPDF_Page* page, |
38 const CFX_ByteString& key, | 37 const CFX_ByteString& key, |
39 float* left, | 38 float* left, |
40 float* bottom, | 39 float* bottom, |
41 float* right, | 40 float* right, |
42 float* top) { | 41 float* top) { |
43 CPDF_Array* pArray = page->m_pFormDict->GetArrayFor(key); | 42 CPDF_Array* pArray = page->m_pFormDict->GetArrayFor(key); |
44 if (!pArray) | 43 if (!pArray) |
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151 if (pObjArray) { | 150 if (pObjArray) { |
152 pContentArray = pObjArray; | 151 pContentArray = pObjArray; |
153 pContentArray->InsertNewAt<CPDF_Reference>(0, pDoc, | 152 pContentArray->InsertNewAt<CPDF_Reference>(0, pDoc, |
154 pStream->GetObjNum()); | 153 pStream->GetObjNum()); |
155 pContentArray->AddNew<CPDF_Reference>(pDoc, pEndStream->GetObjNum()); | 154 pContentArray->AddNew<CPDF_Reference>(pDoc, pEndStream->GetObjNum()); |
156 } else if (pDirectObj->IsStream()) { | 155 } else if (pDirectObj->IsStream()) { |
157 pContentArray = pDoc->NewIndirect<CPDF_Array>(); | 156 pContentArray = pDoc->NewIndirect<CPDF_Array>(); |
158 pContentArray->AddNew<CPDF_Reference>(pDoc, pStream->GetObjNum()); | 157 pContentArray->AddNew<CPDF_Reference>(pDoc, pStream->GetObjNum()); |
159 pContentArray->AddNew<CPDF_Reference>(pDoc, pDirectObj->GetObjNum()); | 158 pContentArray->AddNew<CPDF_Reference>(pDoc, pDirectObj->GetObjNum()); |
160 pContentArray->AddNew<CPDF_Reference>(pDoc, pEndStream->GetObjNum()); | 159 pContentArray->AddNew<CPDF_Reference>(pDoc, pEndStream->GetObjNum()); |
161 pPageDic->SetReferenceFor("Contents", pDoc, pContentArray); | 160 pPageDic->SetNewFor<CPDF_Reference>("Contents", pDoc, |
| 161 pContentArray->GetObjNum()); |
162 } | 162 } |
163 } | 163 } |
164 } | 164 } |
165 | 165 |
166 // Need to transform the patterns as well. | 166 // Need to transform the patterns as well. |
167 CPDF_Dictionary* pRes = pPageDic->GetDictFor("Resources"); | 167 CPDF_Dictionary* pRes = pPageDic->GetDictFor("Resources"); |
168 if (pRes) { | 168 if (pRes) { |
169 CPDF_Dictionary* pPattenDict = pRes->GetDictFor("Pattern"); | 169 CPDF_Dictionary* pPattenDict = pRes->GetDictFor("Pattern"); |
170 if (pPattenDict) { | 170 if (pPattenDict) { |
171 for (const auto& it : *pPattenDict) { | 171 for (const auto& it : *pPattenDict) { |
172 CPDF_Object* pObj = it.second; | 172 CPDF_Object* pObj = it.second.get(); |
173 if (pObj->IsReference()) | 173 if (pObj->IsReference()) |
174 pObj = pObj->GetDirect(); | 174 pObj = pObj->GetDirect(); |
175 | 175 |
176 CPDF_Dictionary* pDict = nullptr; | 176 CPDF_Dictionary* pDict = nullptr; |
177 if (pObj->IsDictionary()) | 177 if (pObj->IsDictionary()) |
178 pDict = pObj->AsDictionary(); | 178 pDict = pObj->AsDictionary(); |
179 else if (CPDF_Stream* pObjStream = pObj->AsStream()) | 179 else if (CPDF_Stream* pObjStream = pObj->AsStream()) |
180 pDict = pObjStream->GetDict(); | 180 pDict = pObjStream->GetDict(); |
181 else | 181 else |
182 continue; | 182 continue; |
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321 | 321 |
322 CPDF_Array* pObjArray = pDirectObj->AsArray(); | 322 CPDF_Array* pObjArray = pDirectObj->AsArray(); |
323 if (pObjArray) { | 323 if (pObjArray) { |
324 pObjArray->InsertNewAt<CPDF_Reference>(0, pDoc, pStream->GetObjNum()); | 324 pObjArray->InsertNewAt<CPDF_Reference>(0, pDoc, pStream->GetObjNum()); |
325 return; | 325 return; |
326 } | 326 } |
327 if (pDirectObj->IsStream()) { | 327 if (pDirectObj->IsStream()) { |
328 CPDF_Array* pContentArray = pDoc->NewIndirect<CPDF_Array>(); | 328 CPDF_Array* pContentArray = pDoc->NewIndirect<CPDF_Array>(); |
329 pContentArray->AddNew<CPDF_Reference>(pDoc, pStream->GetObjNum()); | 329 pContentArray->AddNew<CPDF_Reference>(pDoc, pStream->GetObjNum()); |
330 pContentArray->AddNew<CPDF_Reference>(pDoc, pDirectObj->GetObjNum()); | 330 pContentArray->AddNew<CPDF_Reference>(pDoc, pDirectObj->GetObjNum()); |
331 pPageDic->SetReferenceFor("Contents", pDoc, pContentArray); | 331 pPageDic->SetNewFor<CPDF_Reference>("Contents", pDoc, |
| 332 pContentArray->GetObjNum()); |
332 } | 333 } |
333 } | 334 } |
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