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clear page tree from deleted page

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This commit is contained in:
Kulikova Svetlana
2022-03-30 18:27:11 +03:00
parent 441ec10b5f
commit d67b672a0c
9 changed files with 108 additions and 14 deletions
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24
PdfReader/PdfReader.cpp
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@ -519,9 +519,27 @@ return 0;
bool CPdfReader::DeletePage(int nPageIndex)
{
Ref* pPageRef = m_pInternal->m_pPDFDocument->getCatalog()->getPageRef(++nPageIndex);
if (pPageRef)
return m_pPdfWriter->DeletePage(std::make_pair(pPageRef->num, pPageRef->gen));
return false;
if (!pPageRef)
return false;
XRef* xref = m_pInternal->m_pPDFDocument->getXRef();
Object catDict, pagesRefObj, pagesObj;
if (!xref->getCatalog(&catDict)->isDict() || !catDict.dictLookupNF("Pages", &pagesRefObj)->isRef() || !pagesRefObj.fetch(xref, &pagesObj)->isDict())
{
pagesObj.free();
pagesRefObj.free();
catDict.free();
return false;
}
std::wstring sPageTree = L"<PageTree";
XMLConverter::DictToXml(&pagesObj, sPageTree);
sPageTree += L"</PageTree>";
Ref topPagesRef = pagesRefObj.getRef();
pagesObj.free();
pagesRefObj.free();
catDict.free();
return m_pPdfWriter->DeletePage(std::make_pair(pPageRef->num, pPageRef->gen), sPageTree, std::make_pair(topPagesRef.num, topPagesRef.gen));
}
bool CPdfReader::EditClose(const std::wstring& wsPath)
{