Index: fpdfsdk/src/fpdfppo.cpp |
diff --git a/fpdfsdk/src/fpdfppo.cpp b/fpdfsdk/src/fpdfppo.cpp |
index 40d56b304d8167cc0041905bba1869c776302f20..a37772492f52d77fdfb1f8c9f8f61ed6dfd9d5b0 100644 |
--- a/fpdfsdk/src/fpdfppo.cpp |
+++ b/fpdfsdk/src/fpdfppo.cpp |
@@ -8,425 +8,406 @@ |
#include "../../third_party/base/nonstd_unique_ptr.h" |
#include "../include/fsdk_define.h" |
-class CPDF_PageOrganizer |
-{ |
-public: |
- using ObjectNumberMap = std::map<FX_DWORD, FX_DWORD>; |
- CPDF_PageOrganizer(); |
- ~CPDF_PageOrganizer(); |
- |
- FX_BOOL PDFDocInit(CPDF_Document* pDestPDFDoc, CPDF_Document* pSrcPDFDoc); |
- FX_BOOL ExportPage(CPDF_Document* pSrcPDFDoc, |
- CFX_WordArray* nPageNum, |
- CPDF_Document* pDestPDFDoc, |
- int nIndex); |
- CPDF_Object* PageDictGetInheritableTag(CPDF_Dictionary* pDict, |
- CFX_ByteString nSrctag); |
- FX_BOOL UpdateReference(CPDF_Object* pObj, |
- CPDF_Document* pDoc, |
- ObjectNumberMap* pObjNumberMap); |
- FX_DWORD GetNewObjId(CPDF_Document* pDoc, |
- ObjectNumberMap* pObjNumberMap, |
- CPDF_Reference* pRef); |
+class CPDF_PageOrganizer { |
+ public: |
+ using ObjectNumberMap = std::map<FX_DWORD, FX_DWORD>; |
+ CPDF_PageOrganizer(); |
+ ~CPDF_PageOrganizer(); |
+ |
+ FX_BOOL PDFDocInit(CPDF_Document* pDestPDFDoc, CPDF_Document* pSrcPDFDoc); |
+ FX_BOOL ExportPage(CPDF_Document* pSrcPDFDoc, |
+ CFX_WordArray* nPageNum, |
+ CPDF_Document* pDestPDFDoc, |
+ int nIndex); |
+ CPDF_Object* PageDictGetInheritableTag(CPDF_Dictionary* pDict, |
+ CFX_ByteString nSrctag); |
+ FX_BOOL UpdateReference(CPDF_Object* pObj, |
+ CPDF_Document* pDoc, |
+ ObjectNumberMap* pObjNumberMap); |
+ FX_DWORD GetNewObjId(CPDF_Document* pDoc, |
+ ObjectNumberMap* pObjNumberMap, |
+ CPDF_Reference* pRef); |
}; |
+CPDF_PageOrganizer::CPDF_PageOrganizer() {} |
-CPDF_PageOrganizer::CPDF_PageOrganizer() |
-{ |
-} |
- |
-CPDF_PageOrganizer::~CPDF_PageOrganizer() |
-{ |
-} |
+CPDF_PageOrganizer::~CPDF_PageOrganizer() {} |
FX_BOOL CPDF_PageOrganizer::PDFDocInit(CPDF_Document* pDestPDFDoc, |
- CPDF_Document* pSrcPDFDoc) |
-{ |
- if (!pDestPDFDoc || !pSrcPDFDoc) |
- return FALSE; |
- |
- CPDF_Dictionary* pNewRoot = pDestPDFDoc->GetRoot(); |
- if (!pNewRoot) |
- return FALSE; |
+ CPDF_Document* pSrcPDFDoc) { |
+ if (!pDestPDFDoc || !pSrcPDFDoc) |
+ return FALSE; |
+ |
+ CPDF_Dictionary* pNewRoot = pDestPDFDoc->GetRoot(); |
+ if (!pNewRoot) |
+ return FALSE; |
+ |
+ // Set the document information//////////////////////////////////////////// |
+ |
+ CPDF_Dictionary* DInfoDict = pDestPDFDoc->GetInfo(); |
+ if (!DInfoDict) |
+ return FALSE; |
+ |
+ CFX_ByteString producerstr; |
+ producerstr.Format("PDFium"); |
+ DInfoDict->SetAt("Producer", new CPDF_String(producerstr)); |
+ |
+ // Set type//////////////////////////////////////////////////////////////// |
+ CFX_ByteString cbRootType = pNewRoot->GetString("Type", ""); |
+ if (cbRootType.Equal("")) { |
+ pNewRoot->SetAt("Type", new CPDF_Name("Catalog")); |
+ } |
+ |
+ CPDF_Object* pElement = pNewRoot->GetElement("Pages"); |
+ CPDF_Dictionary* pNewPages = |
+ pElement ? (CPDF_Dictionary*)pElement->GetDirect() : nullptr; |
+ if (!pNewPages) { |
+ pNewPages = new CPDF_Dictionary; |
+ FX_DWORD NewPagesON = pDestPDFDoc->AddIndirectObject(pNewPages); |
+ pNewRoot->SetAt("Pages", new CPDF_Reference(pDestPDFDoc, NewPagesON)); |
+ } |
+ |
+ CFX_ByteString cbPageType = pNewPages->GetString("Type", ""); |
+ if (cbPageType.Equal("")) { |
+ pNewPages->SetAt("Type", new CPDF_Name("Pages")); |
+ } |
+ |
+ CPDF_Array* pKeysArray = pNewPages->GetArray("Kids"); |
+ if (!pKeysArray) { |
+ CPDF_Array* pNewKids = new CPDF_Array; |
+ FX_DWORD Kidsobjnum = -1; |
+ Kidsobjnum = pDestPDFDoc->AddIndirectObject(pNewKids); |
+ |
+ pNewPages->SetAt("Kids", new CPDF_Reference(pDestPDFDoc, Kidsobjnum)); |
+ pNewPages->SetAt("Count", new CPDF_Number(0)); |
+ } |
+ |
+ return TRUE; |
+} |
- //Set the document information//////////////////////////////////////////// |
+FX_BOOL CPDF_PageOrganizer::ExportPage(CPDF_Document* pSrcPDFDoc, |
+ CFX_WordArray* nPageNum, |
+ CPDF_Document* pDestPDFDoc, |
+ int nIndex) { |
+ int curpage = nIndex; |
+ |
+ nonstd::unique_ptr<ObjectNumberMap> pObjNumberMap(new ObjectNumberMap); |
+ |
+ for (int i = 0; i < nPageNum->GetSize(); ++i) { |
+ CPDF_Dictionary* pCurPageDict = pDestPDFDoc->CreateNewPage(curpage); |
+ CPDF_Dictionary* pSrcPageDict = pSrcPDFDoc->GetPage(nPageNum->GetAt(i) - 1); |
+ if (!pSrcPageDict || !pCurPageDict) |
+ return FALSE; |
+ |
+ // Clone the page dictionary/////////// |
+ FX_POSITION SrcPos = pSrcPageDict->GetStartPos(); |
+ while (SrcPos) { |
+ CFX_ByteString cbSrcKeyStr; |
+ CPDF_Object* pObj = pSrcPageDict->GetNextElement(SrcPos, cbSrcKeyStr); |
+ if (cbSrcKeyStr.Compare(("Type")) && cbSrcKeyStr.Compare(("Parent"))) { |
+ if (pCurPageDict->KeyExist(cbSrcKeyStr)) |
+ pCurPageDict->RemoveAt(cbSrcKeyStr); |
+ pCurPageDict->SetAt(cbSrcKeyStr, pObj->Clone()); |
+ } |
+ } |
- CPDF_Dictionary* DInfoDict = pDestPDFDoc->GetInfo(); |
- if (!DInfoDict) |
+ // inheritable item/////////////////////// |
+ CPDF_Object* pInheritable = nullptr; |
+ // 1 MediaBox //required |
+ if (!pCurPageDict->KeyExist("MediaBox")) { |
+ pInheritable = PageDictGetInheritableTag(pSrcPageDict, "MediaBox"); |
+ if (!pInheritable) { |
+ // Search the "CropBox" from source page dictionary, |
+ // if not exists,we take the letter size. |
+ pInheritable = PageDictGetInheritableTag(pSrcPageDict, "CropBox"); |
+ if (pInheritable) { |
+ pCurPageDict->SetAt("MediaBox", pInheritable->Clone()); |
+ } else { |
+ // Make the default size to be letter size (8.5'x11') |
+ CPDF_Array* pArray = new CPDF_Array; |
+ pArray->AddNumber(0); |
+ pArray->AddNumber(0); |
+ pArray->AddNumber(612); |
+ pArray->AddNumber(792); |
+ pCurPageDict->SetAt("MediaBox", pArray); |
+ } |
+ } else { |
+ pCurPageDict->SetAt("MediaBox", pInheritable->Clone()); |
+ } |
+ } |
+ // 2 Resources //required |
+ if (!pCurPageDict->KeyExist("Resources")) { |
+ pInheritable = PageDictGetInheritableTag(pSrcPageDict, "Resources"); |
+ if (!pInheritable) |
return FALSE; |
- |
- CFX_ByteString producerstr; |
- producerstr.Format("PDFium"); |
- DInfoDict->SetAt("Producer", new CPDF_String(producerstr)); |
- |
- //Set type//////////////////////////////////////////////////////////////// |
- CFX_ByteString cbRootType = pNewRoot->GetString("Type", ""); |
- if (cbRootType.Equal("") ) { |
- pNewRoot->SetAt("Type", new CPDF_Name("Catalog")); |
+ pCurPageDict->SetAt("Resources", pInheritable->Clone()); |
} |
- |
- CPDF_Object* pElement = pNewRoot->GetElement("Pages"); |
- CPDF_Dictionary* pNewPages = pElement ? |
- (CPDF_Dictionary*)pElement->GetDirect() : nullptr; |
- if (!pNewPages) { |
- pNewPages = new CPDF_Dictionary; |
- FX_DWORD NewPagesON = pDestPDFDoc->AddIndirectObject(pNewPages); |
- pNewRoot->SetAt("Pages", new CPDF_Reference(pDestPDFDoc, NewPagesON)); |
+ // 3 CropBox //Optional |
+ if (!pCurPageDict->KeyExist("CropBox")) { |
+ pInheritable = PageDictGetInheritableTag(pSrcPageDict, "CropBox"); |
+ if (pInheritable) |
+ pCurPageDict->SetAt("CropBox", pInheritable->Clone()); |
} |
- |
- CFX_ByteString cbPageType = pNewPages->GetString("Type", ""); |
- if (cbPageType.Equal("")) { |
- pNewPages->SetAt("Type", new CPDF_Name("Pages")); |
+ // 4 Rotate //Optional |
+ if (!pCurPageDict->KeyExist("Rotate")) { |
+ pInheritable = PageDictGetInheritableTag(pSrcPageDict, "Rotate"); |
+ if (pInheritable) |
+ pCurPageDict->SetAt("Rotate", pInheritable->Clone()); |
} |
- CPDF_Array* pKeysArray = pNewPages->GetArray("Kids"); |
- if (!pKeysArray) { |
- CPDF_Array* pNewKids = new CPDF_Array; |
- FX_DWORD Kidsobjnum = -1; |
- Kidsobjnum = pDestPDFDoc->AddIndirectObject(pNewKids); |
+ ///////////////////////////////////////////// |
+ // Update the reference |
+ FX_DWORD dwOldPageObj = pSrcPageDict->GetObjNum(); |
+ FX_DWORD dwNewPageObj = pCurPageDict->GetObjNum(); |
- pNewPages->SetAt("Kids", new CPDF_Reference(pDestPDFDoc, Kidsobjnum)); |
- pNewPages->SetAt("Count", new CPDF_Number(0)); |
- } |
+ (*pObjNumberMap)[dwOldPageObj] = dwNewPageObj; |
- return TRUE; |
+ UpdateReference(pCurPageDict, pDestPDFDoc, pObjNumberMap.get()); |
+ ++curpage; |
+ } |
+ |
+ return TRUE; |
} |
-FX_BOOL CPDF_PageOrganizer::ExportPage(CPDF_Document* pSrcPDFDoc, |
- CFX_WordArray* nPageNum, |
- CPDF_Document* pDestPDFDoc, |
- int nIndex) |
-{ |
- int curpage = nIndex; |
- |
- nonstd::unique_ptr<ObjectNumberMap> pObjNumberMap(new ObjectNumberMap); |
- |
- for (int i = 0; i < nPageNum->GetSize(); ++i) { |
- CPDF_Dictionary* pCurPageDict = pDestPDFDoc->CreateNewPage(curpage); |
- CPDF_Dictionary* pSrcPageDict = |
- pSrcPDFDoc->GetPage(nPageNum->GetAt(i) - 1); |
- if (!pSrcPageDict || !pCurPageDict) |
- return FALSE; |
- |
- // Clone the page dictionary/////////// |
- FX_POSITION SrcPos = pSrcPageDict->GetStartPos(); |
- while (SrcPos) { |
- CFX_ByteString cbSrcKeyStr; |
- CPDF_Object* pObj = pSrcPageDict->GetNextElement(SrcPos, |
- cbSrcKeyStr); |
- if (cbSrcKeyStr.Compare(("Type")) && |
- cbSrcKeyStr.Compare(("Parent"))) { |
- if (pCurPageDict->KeyExist(cbSrcKeyStr)) |
- pCurPageDict->RemoveAt(cbSrcKeyStr); |
- pCurPageDict->SetAt(cbSrcKeyStr, pObj->Clone()); |
- } |
- } |
+CPDF_Object* CPDF_PageOrganizer::PageDictGetInheritableTag( |
+ CPDF_Dictionary* pDict, |
+ CFX_ByteString nSrctag) { |
+ if (!pDict || nSrctag.IsEmpty()) |
+ return nullptr; |
+ if (!pDict->KeyExist("Parent") || !pDict->KeyExist("Type")) |
+ return nullptr; |
- //inheritable item/////////////////////// |
- CPDF_Object* pInheritable = nullptr; |
- //1 MediaBox //required |
- if (!pCurPageDict->KeyExist("MediaBox")) { |
- pInheritable = PageDictGetInheritableTag(pSrcPageDict, "MediaBox"); |
- if (!pInheritable) { |
- // Search the "CropBox" from source page dictionary, |
- // if not exists,we take the letter size. |
- pInheritable = PageDictGetInheritableTag(pSrcPageDict, |
- "CropBox"); |
- if (pInheritable) { |
- pCurPageDict->SetAt("MediaBox", pInheritable->Clone()); |
- } else { |
- // Make the default size to be letter size (8.5'x11') |
- CPDF_Array* pArray = new CPDF_Array; |
- pArray->AddNumber(0); |
- pArray->AddNumber(0); |
- pArray->AddNumber(612); |
- pArray->AddNumber(792); |
- pCurPageDict->SetAt("MediaBox", pArray); |
- } |
- } else { |
- pCurPageDict->SetAt("MediaBox", pInheritable->Clone()); |
- } |
- } |
- //2 Resources //required |
- if (!pCurPageDict->KeyExist("Resources")) { |
- pInheritable = PageDictGetInheritableTag(pSrcPageDict, "Resources"); |
- if (!pInheritable) |
- return FALSE; |
- pCurPageDict->SetAt("Resources", pInheritable->Clone()); |
- } |
- //3 CropBox //Optional |
- if (!pCurPageDict->KeyExist("CropBox")) { |
- pInheritable = PageDictGetInheritableTag(pSrcPageDict, "CropBox"); |
- if (pInheritable) |
- pCurPageDict->SetAt("CropBox", pInheritable->Clone()); |
- } |
- //4 Rotate //Optional |
- if (!pCurPageDict->KeyExist("Rotate")) { |
- pInheritable = PageDictGetInheritableTag(pSrcPageDict, "Rotate"); |
- if (pInheritable) |
- pCurPageDict->SetAt("Rotate", pInheritable->Clone()); |
- } |
+ CPDF_Object* pType = pDict->GetElement("Type")->GetDirect(); |
+ if (!pType || pType->GetType() != PDFOBJ_NAME) |
+ return nullptr; |
+ if (pType->GetString().Compare("Page")) |
+ return nullptr; |
- ///////////////////////////////////////////// |
- //Update the reference |
- FX_DWORD dwOldPageObj = pSrcPageDict->GetObjNum(); |
- FX_DWORD dwNewPageObj = pCurPageDict->GetObjNum(); |
+ CPDF_Object* pParent = pDict->GetElement("Parent")->GetDirect(); |
+ if (!pParent || pParent->GetType() != PDFOBJ_DICTIONARY) |
+ return nullptr; |
- (*pObjNumberMap)[dwOldPageObj] = dwNewPageObj; |
+ if (pDict->KeyExist((const char*)nSrctag)) |
+ return pDict->GetElement((const char*)nSrctag); |
- UpdateReference(pCurPageDict, pDestPDFDoc, pObjNumberMap.get()); |
- ++curpage; |
+ CPDF_Dictionary* pp = (CPDF_Dictionary*)pParent; |
+ while (pp) { |
+ if (pp->KeyExist((const char*)nSrctag)) { |
+ return pp->GetElement((const char*)nSrctag); |
} |
- |
- return TRUE; |
-} |
- |
-CPDF_Object* CPDF_PageOrganizer::PageDictGetInheritableTag( |
- CPDF_Dictionary* pDict, |
- CFX_ByteString nSrctag) |
-{ |
- if (!pDict || nSrctag.IsEmpty()) |
- return nullptr; |
- if (!pDict->KeyExist("Parent") || !pDict->KeyExist("Type")) |
- return nullptr; |
- |
- CPDF_Object* pType = pDict->GetElement("Type")->GetDirect(); |
- if (!pType || pType->GetType() != PDFOBJ_NAME) |
- return nullptr; |
- if (pType->GetString().Compare("Page")) |
- return nullptr; |
- |
- CPDF_Object* pParent = pDict->GetElement("Parent")->GetDirect(); |
- if (!pParent || pParent->GetType() != PDFOBJ_DICTIONARY) |
- return nullptr; |
- |
- if (pDict->KeyExist((const char*)nSrctag)) |
- return pDict->GetElement((const char*)nSrctag); |
- |
- CPDF_Dictionary* pp = (CPDF_Dictionary*)pParent; |
- while (pp) { |
- if (pp->KeyExist((const char*)nSrctag)) { |
- return pp->GetElement((const char*)nSrctag); |
- } |
- if (!pp->KeyExist("Parent")) { |
- break; |
- } |
- pp = (CPDF_Dictionary*)pp->GetElement("Parent")->GetDirect(); |
- if (pp->GetType() == PDFOBJ_NULL) { |
- break; |
- } |
+ if (!pp->KeyExist("Parent")) { |
+ break; |
} |
+ pp = (CPDF_Dictionary*)pp->GetElement("Parent")->GetDirect(); |
+ if (pp->GetType() == PDFOBJ_NULL) { |
+ break; |
+ } |
+ } |
- return nullptr; |
+ return nullptr; |
} |
FX_BOOL CPDF_PageOrganizer::UpdateReference(CPDF_Object* pObj, |
CPDF_Document* pDoc, |
- ObjectNumberMap* pObjNumberMap) |
-{ |
- switch (pObj->GetType()) { |
- case PDFOBJ_REFERENCE: { |
- CPDF_Reference* pReference = (CPDF_Reference*)pObj; |
- FX_DWORD newobjnum = GetNewObjId(pDoc, pObjNumberMap, pReference); |
- if (newobjnum == 0) |
- return FALSE; |
- pReference->SetRef(pDoc, newobjnum); |
- break; |
- } |
- case PDFOBJ_DICTIONARY: { |
- CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj; |
- |
- FX_POSITION pos = pDict->GetStartPos(); |
- while (pos) { |
- CFX_ByteString key(""); |
- CPDF_Object* pNextObj = pDict->GetNextElement(pos, key); |
- if (!FXSYS_strcmp(key, "Parent") || |
- !FXSYS_strcmp(key, "Prev") || |
- !FXSYS_strcmp(key, "First")) { |
- continue; |
- } |
- if (pNextObj) { |
- if (!UpdateReference(pNextObj, pDoc, pObjNumberMap)) |
- pDict->RemoveAt(key); |
- } else { |
- return FALSE; |
- } |
- } |
- break; |
- } |
- case PDFOBJ_ARRAY: { |
- CPDF_Array* pArray = (CPDF_Array*)pObj; |
- FX_DWORD count = pArray->GetCount(); |
- for (FX_DWORD i = 0; i < count; ++i) { |
- CPDF_Object* pNextObj = pArray->GetElement(i); |
- if (!pNextObj) |
- return FALSE; |
- if (!UpdateReference(pNextObj, pDoc, pObjNumberMap)) |
- return FALSE; |
- } |
- break; |
+ ObjectNumberMap* pObjNumberMap) { |
+ switch (pObj->GetType()) { |
+ case PDFOBJ_REFERENCE: { |
+ CPDF_Reference* pReference = (CPDF_Reference*)pObj; |
+ FX_DWORD newobjnum = GetNewObjId(pDoc, pObjNumberMap, pReference); |
+ if (newobjnum == 0) |
+ return FALSE; |
+ pReference->SetRef(pDoc, newobjnum); |
+ break; |
+ } |
+ case PDFOBJ_DICTIONARY: { |
+ CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj; |
+ |
+ FX_POSITION pos = pDict->GetStartPos(); |
+ while (pos) { |
+ CFX_ByteString key(""); |
+ CPDF_Object* pNextObj = pDict->GetNextElement(pos, key); |
+ if (!FXSYS_strcmp(key, "Parent") || !FXSYS_strcmp(key, "Prev") || |
+ !FXSYS_strcmp(key, "First")) { |
+ continue; |
} |
- case PDFOBJ_STREAM: { |
- CPDF_Stream* pStream = (CPDF_Stream*)pObj; |
- CPDF_Dictionary* pDict = pStream->GetDict(); |
- if (pDict) { |
- if (!UpdateReference(pDict, pDoc, pObjNumberMap)) |
- return FALSE; |
- } else { |
- return FALSE; |
- } |
- break; |
+ if (pNextObj) { |
+ if (!UpdateReference(pNextObj, pDoc, pObjNumberMap)) |
+ pDict->RemoveAt(key); |
+ } else { |
+ return FALSE; |
} |
- default: |
- break; |
+ } |
+ break; |
+ } |
+ case PDFOBJ_ARRAY: { |
+ CPDF_Array* pArray = (CPDF_Array*)pObj; |
+ FX_DWORD count = pArray->GetCount(); |
+ for (FX_DWORD i = 0; i < count; ++i) { |
+ CPDF_Object* pNextObj = pArray->GetElement(i); |
+ if (!pNextObj) |
+ return FALSE; |
+ if (!UpdateReference(pNextObj, pDoc, pObjNumberMap)) |
+ return FALSE; |
+ } |
+ break; |
} |
+ case PDFOBJ_STREAM: { |
+ CPDF_Stream* pStream = (CPDF_Stream*)pObj; |
+ CPDF_Dictionary* pDict = pStream->GetDict(); |
+ if (pDict) { |
+ if (!UpdateReference(pDict, pDoc, pObjNumberMap)) |
+ return FALSE; |
+ } else { |
+ return FALSE; |
+ } |
+ break; |
+ } |
+ default: |
+ break; |
+ } |
- return TRUE; |
+ return TRUE; |
} |
FX_DWORD CPDF_PageOrganizer::GetNewObjId(CPDF_Document* pDoc, |
ObjectNumberMap* pObjNumberMap, |
- CPDF_Reference* pRef) |
-{ |
- if (!pRef) |
- return 0; |
- |
- FX_DWORD dwObjnum = pRef->GetRefObjNum(); |
- FX_DWORD dwNewObjNum = 0; |
- const auto it = pObjNumberMap->find(dwObjnum); |
- if (it != pObjNumberMap->end()) |
- dwNewObjNum = it->second; |
- if (dwNewObjNum) |
- return dwNewObjNum; |
- |
- CPDF_Object* pDirect = pRef->GetDirect(); |
- if (!pDirect) |
- return 0; |
- |
- CPDF_Object* pClone = pDirect->Clone(); |
- if (!pClone) |
- return 0; |
- |
- if (pClone->GetType() == PDFOBJ_DICTIONARY) { |
- CPDF_Dictionary* pDictClone = (CPDF_Dictionary*)pClone; |
- if (pDictClone->KeyExist("Type")) { |
- CFX_ByteString strType = pDictClone->GetString("Type"); |
- if (!FXSYS_stricmp(strType, "Pages")) { |
- pDictClone->Release(); |
- return 4; |
- } |
- if (!FXSYS_stricmp(strType, "Page")) { |
- pDictClone->Release(); |
- return 0; |
- } |
- } |
- } |
- dwNewObjNum = pDoc->AddIndirectObject(pClone); |
- (*pObjNumberMap)[dwObjnum] = dwNewObjNum; |
+ CPDF_Reference* pRef) { |
+ if (!pRef) |
+ return 0; |
+ |
+ FX_DWORD dwObjnum = pRef->GetRefObjNum(); |
+ FX_DWORD dwNewObjNum = 0; |
+ const auto it = pObjNumberMap->find(dwObjnum); |
+ if (it != pObjNumberMap->end()) |
+ dwNewObjNum = it->second; |
+ if (dwNewObjNum) |
+ return dwNewObjNum; |
- if (!UpdateReference(pClone, pDoc, pObjNumberMap)) { |
- pClone->Release(); |
+ CPDF_Object* pDirect = pRef->GetDirect(); |
+ if (!pDirect) |
+ return 0; |
+ |
+ CPDF_Object* pClone = pDirect->Clone(); |
+ if (!pClone) |
+ return 0; |
+ |
+ if (pClone->GetType() == PDFOBJ_DICTIONARY) { |
+ CPDF_Dictionary* pDictClone = (CPDF_Dictionary*)pClone; |
+ if (pDictClone->KeyExist("Type")) { |
+ CFX_ByteString strType = pDictClone->GetString("Type"); |
+ if (!FXSYS_stricmp(strType, "Pages")) { |
+ pDictClone->Release(); |
+ return 4; |
+ } |
+ if (!FXSYS_stricmp(strType, "Page")) { |
+ pDictClone->Release(); |
return 0; |
+ } |
} |
- return dwNewObjNum; |
+ } |
+ dwNewObjNum = pDoc->AddIndirectObject(pClone); |
+ (*pObjNumberMap)[dwObjnum] = dwNewObjNum; |
+ |
+ if (!UpdateReference(pClone, pDoc, pObjNumberMap)) { |
+ pClone->Release(); |
+ return 0; |
+ } |
+ return dwNewObjNum; |
} |
FPDF_BOOL ParserPageRangeString(CFX_ByteString rangstring, |
CFX_WordArray* pageArray, |
- int nCount) |
-{ |
- if (rangstring.GetLength() != 0) { |
- rangstring.Remove(' '); |
- int nLength = rangstring.GetLength(); |
- CFX_ByteString cbCompareString("0123456789-,"); |
- for (int i = 0; i < nLength; ++i) { |
- if (cbCompareString.Find(rangstring[i]) == -1) |
- return FALSE; |
+ int nCount) { |
+ if (rangstring.GetLength() != 0) { |
+ rangstring.Remove(' '); |
+ int nLength = rangstring.GetLength(); |
+ CFX_ByteString cbCompareString("0123456789-,"); |
+ for (int i = 0; i < nLength; ++i) { |
+ if (cbCompareString.Find(rangstring[i]) == -1) |
+ return FALSE; |
+ } |
+ CFX_ByteString cbMidRange; |
+ int nStringFrom = 0; |
+ int nStringTo = 0; |
+ while (nStringTo < nLength) { |
+ nStringTo = rangstring.Find(',', nStringFrom); |
+ if (nStringTo == -1) |
+ nStringTo = nLength; |
+ cbMidRange = rangstring.Mid(nStringFrom, nStringTo - nStringFrom); |
+ int nMid = cbMidRange.Find('-'); |
+ if (nMid == -1) { |
+ long lPageNum = atol(cbMidRange); |
+ if (lPageNum <= 0 || lPageNum > nCount) |
+ return FALSE; |
+ pageArray->Add((FX_WORD)lPageNum); |
+ } else { |
+ int nStartPageNum = atol(cbMidRange.Mid(0, nMid)); |
+ if (nStartPageNum == 0) |
+ return FALSE; |
+ |
+ ++nMid; |
+ int nEnd = cbMidRange.GetLength() - nMid; |
+ if (nEnd == 0) |
+ return FALSE; |
+ |
+ int nEndPageNum = atol(cbMidRange.Mid(nMid, nEnd)); |
+ if (nStartPageNum < 0 || nStartPageNum > nEndPageNum || |
+ nEndPageNum > nCount) { |
+ return FALSE; |
} |
- CFX_ByteString cbMidRange; |
- int nStringFrom = 0; |
- int nStringTo = 0; |
- while (nStringTo < nLength) { |
- nStringTo = rangstring.Find(',', nStringFrom); |
- if (nStringTo == -1) |
- nStringTo = nLength; |
- cbMidRange = rangstring.Mid(nStringFrom, nStringTo - nStringFrom); |
- int nMid = cbMidRange.Find('-'); |
- if (nMid == -1) { |
- long lPageNum = atol(cbMidRange); |
- if (lPageNum <= 0 || lPageNum > nCount) |
- return FALSE; |
- pageArray->Add((FX_WORD)lPageNum); |
- } else { |
- int nStartPageNum = atol(cbMidRange.Mid(0, nMid)); |
- if (nStartPageNum == 0) |
- return FALSE; |
- |
- ++nMid; |
- int nEnd = cbMidRange.GetLength() - nMid; |
- if (nEnd == 0) |
- return FALSE; |
- |
- int nEndPageNum = atol(cbMidRange.Mid(nMid, nEnd)); |
- if (nStartPageNum < 0 || |
- nStartPageNum >nEndPageNum || |
- nEndPageNum > nCount) { |
- return FALSE; |
- } |
- for (int i = nStartPageNum; i <= nEndPageNum; ++i) { |
- pageArray->Add(i); |
- } |
- } |
- nStringFrom = nStringTo + 1; |
+ for (int i = nStartPageNum; i <= nEndPageNum; ++i) { |
+ pageArray->Add(i); |
} |
+ } |
+ nStringFrom = nStringTo + 1; |
} |
- return TRUE; |
+ } |
+ return TRUE; |
} |
DLLEXPORT FPDF_BOOL STDCALL FPDF_ImportPages(FPDF_DOCUMENT dest_doc, |
FPDF_DOCUMENT src_doc, |
FPDF_BYTESTRING pagerange, |
- int index) |
-{ |
- if (!dest_doc || !src_doc) |
- return FALSE; |
- |
- CFX_WordArray pageArray; |
- CPDF_Document* pSrcDoc = (CPDF_Document*)src_doc; |
- int nCount = pSrcDoc->GetPageCount(); |
- if (pagerange) { |
- if (!ParserPageRangeString(pagerange,&pageArray,nCount)) |
- return FALSE; |
- } else { |
- for (int i = 1; i <= nCount; ++i) { |
- pageArray.Add(i); |
- } |
+ int index) { |
+ if (!dest_doc || !src_doc) |
+ return FALSE; |
+ |
+ CFX_WordArray pageArray; |
+ CPDF_Document* pSrcDoc = (CPDF_Document*)src_doc; |
+ int nCount = pSrcDoc->GetPageCount(); |
+ if (pagerange) { |
+ if (!ParserPageRangeString(pagerange, &pageArray, nCount)) |
+ return FALSE; |
+ } else { |
+ for (int i = 1; i <= nCount; ++i) { |
+ pageArray.Add(i); |
} |
+ } |
- CPDF_Document* pDestDoc = (CPDF_Document*)dest_doc; |
- CPDF_PageOrganizer pageOrg; |
+ CPDF_Document* pDestDoc = (CPDF_Document*)dest_doc; |
+ CPDF_PageOrganizer pageOrg; |
- pageOrg.PDFDocInit(pDestDoc, pSrcDoc); |
+ pageOrg.PDFDocInit(pDestDoc, pSrcDoc); |
- return pageOrg.ExportPage(pSrcDoc,&pageArray,pDestDoc,index); |
+ return pageOrg.ExportPage(pSrcDoc, &pageArray, pDestDoc, index); |
} |
DLLEXPORT FPDF_BOOL STDCALL FPDF_CopyViewerPreferences(FPDF_DOCUMENT dest_doc, |
- FPDF_DOCUMENT src_doc) |
-{ |
- if (!src_doc || !dest_doc) |
- return false; |
- |
- CPDF_Document* pSrcDoc = (CPDF_Document*)src_doc; |
- CPDF_Dictionary* pSrcDict = pSrcDoc->GetRoot(); |
- pSrcDict = pSrcDict->GetDict(FX_BSTRC("ViewerPreferences"));; |
- if (!pSrcDict) |
- return FALSE; |
- |
- CPDF_Document* pDstDoc = (CPDF_Document*)dest_doc; |
- CPDF_Dictionary* pDstDict = pDstDoc->GetRoot(); |
- if (!pDstDict) |
- return FALSE; |
- pDstDict->SetAt(FX_BSTRC("ViewerPreferences"), pSrcDict->Clone(TRUE)); |
- return TRUE; |
+ FPDF_DOCUMENT src_doc) { |
+ if (!src_doc || !dest_doc) |
+ return false; |
+ |
+ CPDF_Document* pSrcDoc = (CPDF_Document*)src_doc; |
+ CPDF_Dictionary* pSrcDict = pSrcDoc->GetRoot(); |
+ pSrcDict = pSrcDict->GetDict(FX_BSTRC("ViewerPreferences")); |
+ ; |
+ if (!pSrcDict) |
+ return FALSE; |
+ |
+ CPDF_Document* pDstDoc = (CPDF_Document*)dest_doc; |
+ CPDF_Dictionary* pDstDict = pDstDoc->GetRoot(); |
+ if (!pDstDict) |
+ return FALSE; |
+ pDstDict->SetAt(FX_BSTRC("ViewerPreferences"), pSrcDict->Clone(TRUE)); |
+ return TRUE; |
} |