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signatures with edit pdf

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This commit is contained in:
Kulikova Svetlana
2022-06-23 16:25:11 +03:00
parent 6f3776d5ad
commit 97d699156e
10 changed files with 86 additions and 34 deletions
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44
PdfReader/PdfReader.cpp
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@ -506,6 +506,29 @@ return 0;
if (!xref)
return false;
Object catDict, catRefObj, pagesRefObj;
if (!xref->getCatalog(&catDict) || !catDict.isDict() || !catDict.dictLookupNF("Pages", &pagesRefObj))
{
pagesRefObj.free();
catDict.free();
return false;
}
Object* trailer = xref->getTrailerDict();
if (!trailer || !trailer->isDict() || !trailer->dictLookupNF("Root", &catRefObj) || !catRefObj.isRef())
{
pagesRefObj.free();
catDict.free();
catRefObj.free();
return false;
}
std::wstring sCatalog = L"<Catalog";
XMLConverter::DictToXml(&catDict, sCatalog);
sCatalog += L"</Catalog>";
if (sCatalog == L"<Catalog></Catalog>")
sCatalog.clear();
Ref catRef = catRefObj.getRef();
int nCryptAlgorithm = -1;
std::wstring sEncrypt = L"<Encrypt";
if (xref->isEncrypted())
@ -544,22 +567,13 @@ return 0;
if (sEncrypt == L"<Encrypt></Encrypt>")
sEncrypt.clear();
if (m_pInternal->m_pPdfWriter->EditPdf(xref->getLastXRefPos(), xref->getNumObjects(), sEncrypt, sPassword, nCryptAlgorithm))
{
Object catDict, pagesRefObj;
if (!xref->getCatalog(&catDict) || !catDict.isDict() || !catDict.dictLookupNF("Pages", &pagesRefObj))
{
pagesRefObj.free();
catDict.free();
return false;
}
bool bRes = m_pInternal->m_pPdfWriter->EditPdf(xref->getLastXRefPos(), xref->getNumObjects(), sCatalog, std::make_pair(catRef.num, catRef.gen), sEncrypt, sPassword, nCryptAlgorithm);
if (bRes)
m_pInternal->GetPageTree(xref, &pagesRefObj);
pagesRefObj.free();
catDict.free();
return true;
}
return false;
pagesRefObj.free();
catDict.free();
catRefObj.free();
return bRes;
}
bool CPdfReader::EditPage(int nPageIndex)
{