pengjunjie/core
1
0
Fork 1
mirror of https://github.com/ONLYOFFICE/core.git synced 2026-02-10 18:05:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix Skip Action GoTo another Page

Browse Source
This commit is contained in:
Svetlana Kulikova
2025-02-13 18:04:00 +03:00
parent 70be48fec3
commit 4de7ba4e52
5 changed files with 95 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
PdfFile/PdfEditor.cpp
View File

@ -149,15 +149,32 @@ void DictToCDictObject(Object* obj, PdfWriter::CObjectBase* pObj, const std::str
break;
}
}
bool SplitSkipDict(Object* obj)
bool SplitSkipDict(Object* obj, std::map<int, PdfWriter::CObjectBase*>& mUniqueRef)
{
Object oType;
if (!obj->dictLookup("Type", &oType)->isName())
Object oTemp, oTemp2;
if (obj->dictLookup("Type", &oTemp)->isName("Page"))
{
oType.free();
return false;
oTemp.free();
return true;
}
oType.free();
oTemp.free();
if (obj->dictLookup("S", &oTemp)->isName("GoTo"))
{
oTemp.free();
if (obj->dictLookup("D", &oTemp)->isArray() && oTemp.arrayGetLength() > 1 && oTemp.arrayGetNF(0, &oTemp2)->isRef())
{
std::map<int, PdfWriter::CObjectBase*>::iterator it = mUniqueRef.find(oTemp2.getRefNum());
if (it == mUniqueRef.end())
{
oTemp.free(); oTemp2.free();
return true;
}
}
oTemp2.free();
}
oTemp.free();
return false;
}
PdfWriter::CObjectBase* DictToCDictObject2(Object* obj, PdfWriter::CDocument* pDoc, XRef* xref, std::map<int, PdfWriter::CObjectBase*>& mUniqueRef, int nAddObjToXRef = 0)
@ -232,8 +249,8 @@ PdfWriter::CObjectBase* DictToCDictObject2(Object* obj, PdfWriter::CDocument* pD
}
case objDict:
{
if (SplitSkipDict(obj))
return new PdfWriter::CNullObject();
if (SplitSkipDict(obj, mUniqueRef))
return NULL;
PdfWriter::CDictObject* pDict = new PdfWriter::CDictObject();
if (nAddObjToXRef > 0)
{
@ -877,7 +894,7 @@ CPdfEditor::CPdfEditor(const std::wstring& _wsSrcFile, const std::wstring& _wsPa
if (!bRes)
m_nError = 5; // Ошибка применения редактирования
}
CPdfEditor::CPdfEditor(CPdfReader* _pReader, CPdfWriter* _pWriter, unsigned int unPages)
CPdfEditor::CPdfEditor(CPdfReader* _pReader, CPdfWriter* _pWriter, const int* arrPageIndex, unsigned int unLength)
{
m_pReader = _pReader;
m_pWriter = _pWriter;
@ -902,17 +919,31 @@ CPdfEditor::CPdfEditor(CPdfReader* _pReader, CPdfWriter* _pWriter, unsigned int
// Страницы должны быть созданы заранее для ссылки
Catalog* pCatalog = pPDFDocument->getCatalog();
for (int i = 1; i <= unPages; ++i)
for (int i = 0; i < unLength; ++i)
{
Ref* pPageRef = pCatalog->getPageRef(i);
Ref* pPageRef = pCatalog->getPageRef(arrPageIndex[i] + 1);
if (pPageRef->num == 0)
{
m_nError = 3;
return;
}
PdfWriter::CPage* pPage = new PdfWriter::CPage(pDoc);
pDoc->AddObject(pPage);
pDoc->AddPage(pPage);
// Получение объекта страницы
Object pageRefObj, pageObj;
pageRefObj.initRef(pPageRef->num, pPageRef->gen);
if (!pageRefObj.fetch(xref, &pageObj)->isDict())
{
pageObj.free();
pageRefObj.free();
m_nError = 3;
return;
}
m_mSplitUniqueRef[pPageRef->num] = pPage;
pageRefObj.free();
}
}
void CPdfEditor::Close()
@ -1280,11 +1311,8 @@ bool CPdfEditor::SplitPage(int nPageIndex)
if (pPageRef->num == 0)
return false;
PdfWriter::CPage* pPage = new PdfWriter::CPage(pDoc);
pDoc->AddObject(pPage);
pDoc->AddPage(pPage);
// Получение объекта страницы
PdfWriter::CPage* pPage = (PdfWriter::CPage*)m_mSplitUniqueRef[pPageRef->num];
Object pageRefObj, pageObj;
pageRefObj.initRef(pPageRef->num, pPageRef->gen);
if (!pageRefObj.fetch(xref, &pageObj)->isDict())
@ -1293,11 +1321,9 @@ bool CPdfEditor::SplitPage(int nPageIndex)
pageRefObj.free();
return false;
}
m_mSplitUniqueRef[pPageRef->num] = pPage;
pageRefObj.free();
// Копирование страницы со всеми ресурсами из reader для writer
for (int nIndex = 0; nIndex < pageObj.dictGetLength(); ++nIndex)
{
Object oTemp;
@ -1360,6 +1386,39 @@ bool CPdfEditor::SplitPage(int nPageIndex)
return true;
}
void CPdfEditor::SplitEnd()
{
PDFDoc* pPDFDocument = m_pReader->GetPDFDocument();
XRef* xref = pPDFDocument->getXRef();
PdfWriter::CDocument* pDoc = m_pWriter->GetDocument();
Object oCatalog;
if (!xref->getCatalog(&oCatalog)->isDict())
{
oCatalog.free();
return;
}
Object oAcroForm;
if (oCatalog.dictLookupNF("AcroForm", &oAcroForm)->isRef() || oAcroForm.isDict())
{
PdfWriter::CDictObject* pAcroForm = new PdfWriter::CDictObject();
if (oAcroForm.isRef())
pDoc->AddObject(pAcroForm);
pDoc->SetAcroForm(pAcroForm);
for (int nIndex = 0; nIndex < oAcroForm.dictGetLength(); ++nIndex)
{
Object oTemp;
char* chKey = oAcroForm.dictGetKey(nIndex);
oAcroForm.dictGetValNF(nIndex, &oTemp);
PdfWriter::CObjectBase* pBase = DictToCDictObject2(&oTemp, pDoc, xref, m_mSplitUniqueRef);
pAcroForm->Add(chKey, pBase);
oTemp.free();
}
}
oAcroForm.free(); oCatalog.free();
}
bool CPdfEditor::DeletePage(int nPageIndex)
{
return m_pWriter->GetDocument()->DeletePage(nPageIndex);