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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_ppo.h" | 7 #include "public/fpdf_ppo.h" |
| 8 | 8 |
| 9 #include <map> | 9 #include <map> |
| 10 #include <memory> | 10 #include <memory> |
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| 103 CPDF_Dictionary* pCurPageDict = pDestPDFDoc->CreateNewPage(curpage); | 103 CPDF_Dictionary* pCurPageDict = pDestPDFDoc->CreateNewPage(curpage); |
| 104 CPDF_Dictionary* pSrcPageDict = pSrcPDFDoc->GetPage(pPageNums->at(i) - 1); | 104 CPDF_Dictionary* pSrcPageDict = pSrcPDFDoc->GetPage(pPageNums->at(i) - 1); |
| 105 if (!pSrcPageDict || !pCurPageDict) | 105 if (!pSrcPageDict || !pCurPageDict) |
| 106 return FALSE; | 106 return FALSE; |
| 107 | 107 |
| 108 // Clone the page dictionary | 108 // Clone the page dictionary |
| 109 for (const auto& it : *pSrcPageDict) { | 109 for (const auto& it : *pSrcPageDict) { |
| 110 const CFX_ByteString& cbSrcKeyStr = it.first; | 110 const CFX_ByteString& cbSrcKeyStr = it.first; |
| 111 CPDF_Object* pObj = it.second; | 111 CPDF_Object* pObj = it.second; |
| 112 if (cbSrcKeyStr.Compare(("Type")) && cbSrcKeyStr.Compare(("Parent"))) { | 112 if (cbSrcKeyStr.Compare(("Type")) && cbSrcKeyStr.Compare(("Parent"))) { |
| 113 if (pCurPageDict->KeyExist(cbSrcKeyStr.AsByteStringC())) | 113 if (pCurPageDict->KeyExist(cbSrcKeyStr.AsStringC())) |
| 114 pCurPageDict->RemoveAt(cbSrcKeyStr.AsByteStringC()); | 114 pCurPageDict->RemoveAt(cbSrcKeyStr.AsStringC()); |
| 115 pCurPageDict->SetAt(cbSrcKeyStr.AsByteStringC(), pObj->Clone()); | 115 pCurPageDict->SetAt(cbSrcKeyStr.AsStringC(), pObj->Clone()); |
| 116 } | 116 } |
| 117 } | 117 } |
| 118 | 118 |
| 119 // inheritable item | 119 // inheritable item |
| 120 CPDF_Object* pInheritable = nullptr; | 120 CPDF_Object* pInheritable = nullptr; |
| 121 // 1 MediaBox //required | 121 // 1 MediaBox //required |
| 122 if (!pCurPageDict->KeyExist("MediaBox")) { | 122 if (!pCurPageDict->KeyExist("MediaBox")) { |
| 123 pInheritable = PageDictGetInheritableTag(pSrcPageDict, "MediaBox"); | 123 pInheritable = PageDictGetInheritableTag(pSrcPageDict, "MediaBox"); |
| 124 if (!pInheritable) { | 124 if (!pInheritable) { |
| 125 // Search the "CropBox" from source page dictionary, | 125 // Search the "CropBox" from source page dictionary, |
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| 222 while (it != pDict->end()) { | 222 while (it != pDict->end()) { |
| 223 const CFX_ByteString& key = it->first; | 223 const CFX_ByteString& key = it->first; |
| 224 CPDF_Object* pNextObj = it->second; | 224 CPDF_Object* pNextObj = it->second; |
| 225 ++it; | 225 ++it; |
| 226 if (!FXSYS_strcmp(key, "Parent") || !FXSYS_strcmp(key, "Prev") || | 226 if (!FXSYS_strcmp(key, "Parent") || !FXSYS_strcmp(key, "Prev") || |
| 227 !FXSYS_strcmp(key, "First")) { | 227 !FXSYS_strcmp(key, "First")) { |
| 228 continue; | 228 continue; |
| 229 } | 229 } |
| 230 if (pNextObj) { | 230 if (pNextObj) { |
| 231 if (!UpdateReference(pNextObj, pDoc, pObjNumberMap)) | 231 if (!UpdateReference(pNextObj, pDoc, pObjNumberMap)) |
| 232 pDict->RemoveAt(key.AsByteStringC()); | 232 pDict->RemoveAt(key.AsStringC()); |
| 233 } else { | 233 } else { |
| 234 return FALSE; | 234 return FALSE; |
| 235 } | 235 } |
| 236 } | 236 } |
| 237 break; | 237 break; |
| 238 } | 238 } |
| 239 case CPDF_Object::ARRAY: { | 239 case CPDF_Object::ARRAY: { |
| 240 CPDF_Array* pArray = pObj->AsArray(); | 240 CPDF_Array* pArray = pObj->AsArray(); |
| 241 uint32_t count = pArray->GetCount(); | 241 uint32_t count = pArray->GetCount(); |
| 242 for (uint32_t i = 0; i < count; ++i) { | 242 for (uint32_t i = 0; i < count; ++i) { |
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| 403 if (!pSrcDict) | 403 if (!pSrcDict) |
| 404 return FALSE; | 404 return FALSE; |
| 405 | 405 |
| 406 CPDF_Dictionary* pDstDict = pDstDoc->GetRoot(); | 406 CPDF_Dictionary* pDstDict = pDstDoc->GetRoot(); |
| 407 if (!pDstDict) | 407 if (!pDstDict) |
| 408 return FALSE; | 408 return FALSE; |
| 409 | 409 |
| 410 pDstDict->SetAt("ViewerPreferences", pSrcDict->Clone(TRUE)); | 410 pDstDict->SetAt("ViewerPreferences", pSrcDict->Clone(TRUE)); |
| 411 return TRUE; | 411 return TRUE; |
| 412 } | 412 } |
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