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

Create SplitPage

Browse Source
This commit is contained in:
Svetlana Kulikova
2025-02-10 18:34:57 +03:00
parent 896427db83
commit 7e8e4586ca
14 changed files with 308 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

277
PdfFile/PdfEditor.cpp
View File

@ -54,14 +54,14 @@
((PdfWriter::CArrayObject*)pObj)->Add(oVal);\
}
void DictToCDictObject(Object* obj, PdfWriter::CObjectBase* pObj, bool bBinary, const std::string& sKey, bool bUnicode = false)
void DictToCDictObject(Object* obj, PdfWriter::CObjectBase* pObj, const std::string& sKey)
{
Object oTemp;
switch (obj->getType())
{
case objBool:
{
bool b = obj->getBool();
bool b = obj->getBool() == gTrue;
AddToObject(b)
break;
}
@ -77,21 +77,20 @@ void DictToCDictObject(Object* obj, PdfWriter::CObjectBase* pObj, bool bBinary,
}
case objString:
{
if (bBinary)
GString* str = obj->getString();
if (str->isBinary())
{
GString* str = obj->getString();
int nLength = str->getLength();
BYTE* arrId = new BYTE[nLength];
for (int nIndex = 0; nIndex < nLength; ++nIndex)
arrId[nIndex] = str->getChar(nIndex);
AddToObject(new PdfWriter::CBinaryObject(arrId, nLength));
RELEASEARRAYOBJECTS(arrId);
AddToObject(new PdfWriter::CBinaryObject(arrId, nLength, false));
}
else
{
TextString* s = new TextString(obj->getString());
TextString* s = new TextString(str);
std::string sValue = NSStringExt::CConverter::GetUtf8FromUTF32(s->getUnicode(), s->getLength());
AddToObject(new PdfWriter::CStringObject(sValue.c_str(), bUnicode))
AddToObject(new PdfWriter::CStringObject(sValue.c_str(), !s->isPDFDocEncoding()))
delete s;
}
break;
@ -113,7 +112,7 @@ void DictToCDictObject(Object* obj, PdfWriter::CObjectBase* pObj, bool bBinary,
for (int nIndex = 0; nIndex < obj->arrayGetLength(); ++nIndex)
{
obj->arrayGetNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pArray, bBinary, "", bUnicode);
DictToCDictObject(&oTemp, pArray, "");
oTemp.free();
}
break;
@ -126,7 +125,7 @@ void DictToCDictObject(Object* obj, PdfWriter::CObjectBase* pObj, bool bBinary,
{
char* chKey = obj->dictGetKey(nIndex);
obj->dictGetValNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pDict, bBinary, chKey, bUnicode);
DictToCDictObject(&oTemp, pDict, chKey);
oTemp.free();
}
break;
@ -150,6 +149,106 @@ void DictToCDictObject(Object* obj, PdfWriter::CObjectBase* pObj, bool bBinary,
break;
}
}
PdfWriter::CObjectBase* DictToCDictObject2(Object* obj, PdfWriter::CObjectBase* pObj, const std::string& sKey, PdfWriter::CDocument* pDoc, XRef* xref, bool bNeedAdd)
{
PdfWriter::CObjectBase* pBase = NULL;
Object oTemp;
switch (obj->getType())
{
case objBool:
{
pBase = new PdfWriter::CBoolObject(obj->getBool() == gTrue);
break;
}
case objInt:
{
pBase = new PdfWriter::CNumberObject(obj->getInt());
break;
}
case objReal:
{
pBase = new PdfWriter::CRealObject(obj->getReal());
break;
}
case objString:
{
GString* str = obj->getString();
if (str->isBinary())
{
int nLength = str->getLength();
BYTE* arrId = new BYTE[nLength];
for (int nIndex = 0; nIndex < nLength; ++nIndex)
arrId[nIndex] = str->getChar(nIndex);
pBase = new PdfWriter::CBinaryObject(arrId, nLength, false);
}
else
{
TextString* s = new TextString(str);
std::string sValue = NSStringExt::CConverter::GetUtf8FromUTF32(s->getUnicode(), s->getLength());
pBase = new PdfWriter::CStringObject(sValue.c_str(), !s->isPDFDocEncoding());
delete s;
}
break;
}
case objName:
{
pBase = new PdfWriter::CNameObject(obj->getName());
break;
}
case objNull:
{
pBase = new PdfWriter::CNullObject();
break;
}
case objArray:
{
PdfWriter::CArrayObject* pArray = new PdfWriter::CArrayObject();
for (int nIndex = 0; nIndex < obj->arrayGetLength(); ++nIndex)
{
obj->arrayGetNF(nIndex, &oTemp);
DictToCDictObject2(&oTemp, pArray, "", pDoc, xref, false);
oTemp.free();
}
break;
}
case objDict:
{
PdfWriter::CDictObject* pDict = new PdfWriter::CDictObject();
for (int nIndex = 0; nIndex < obj->dictGetLength(); ++nIndex)
{
char* chKey = obj->dictGetKey(nIndex);
obj->dictGetValNF(nIndex, &oTemp);
DictToCDictObject2(&oTemp, pDict, chKey, pDoc, xref, false);
oTemp.free();
}
break;
}
case objRef:
{
obj->fetch(xref, &oTemp);
pBase = DictToCDictObject2(&oTemp, pObj, "", pDoc, xref, true);
oTemp.free();
break;
}
case objNone:
{
pBase = new PdfWriter::CNameObject("None");
break;
}
case objStream:
{
break;
}
case objCmd:
case objError:
case objEOF:
break;
}
if (bNeedAdd)
pDoc->AddObject(pBase);
AddToObject(pBase)
return pBase;
}
PdfWriter::CDictObject* GetWidgetParent(PDFDoc* pdfDoc, PdfWriter::CDocument* pDoc, Object* pParentRef)
{
if (!pParentRef || !pParentRef->isRef() || !pdfDoc)
@ -193,7 +292,7 @@ PdfWriter::CDictObject* GetWidgetParent(PDFDoc* pdfDoc, PdfWriter::CDocument* pD
}
Object oTemp;
oParent.dictGetValNF(i, &oTemp);
DictToCDictObject(&oTemp, pParent, false, chKey);
DictToCDictObject(&oTemp, pParent, chKey);
oTemp.free();
}
@ -285,7 +384,7 @@ HRESULT _ChangePassword(const std::wstring& wsPath, const std::wstring& wsPasswo
{
Object oT;
oTemp.arrayGetNF(nIndex, &oT);
DictToCDictObject(&oT, pObj, false, "");
DictToCDictObject(&oT, pObj, "");
oT.free();
}
break;
@ -299,7 +398,7 @@ HRESULT _ChangePassword(const std::wstring& wsPath, const std::wstring& wsPasswo
Object oT;
char* chKey = oTemp.dictGetKey(nIndex);
oTemp.dictGetValNF(nIndex, &oT);
DictToCDictObject(&oT, pObj, false, chKey);
DictToCDictObject(&oT, pObj, chKey);
oT.free();
}
break;
@ -338,7 +437,7 @@ HRESULT _ChangePassword(const std::wstring& wsPath, const std::wstring& wsPasswo
continue;
}
pDict->getValNF(nIndex, &oT);
DictToCDictObject(&oT, pObj, false, chKey);
DictToCDictObject(&oT, pObj, chKey);
oT.free();
}
@ -372,7 +471,7 @@ HRESULT _ChangePassword(const std::wstring& wsPath, const std::wstring& wsPasswo
if (strcmp("Root", chKey) == 0 || strcmp("Info", chKey) == 0)
{
trailerDict->dictGetValNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pTrailer, true, chKey);
DictToCDictObject(&oTemp, pTrailer, chKey);
}
oTemp.free();
}
@ -578,7 +677,7 @@ CPdfEditor::CPdfEditor(const std::wstring& _wsSrcFile, const std::wstring& _wsPa
Object oTemp;
char* chKey2 = oTemp2.dictGetKey(nIndex2);
oTemp2.dictGetVal(nIndex2, &oTemp);
DictToCDictObject(&oTemp, pDR, false, chKey2);
DictToCDictObject(&oTemp, pDR, chKey2);
oTemp.free();
}
oTemp2.free();
@ -588,7 +687,7 @@ CPdfEditor::CPdfEditor(const std::wstring& _wsSrcFile, const std::wstring& _wsPa
}
else
oAcroForm.dictGetValNF(nIndex, &oTemp2);
DictToCDictObject(&oTemp2, pAcroForm, false, chKey);
DictToCDictObject(&oTemp2, pAcroForm, chKey);
oTemp2.free();
}
@ -601,7 +700,7 @@ CPdfEditor::CPdfEditor(const std::wstring& _wsSrcFile, const std::wstring& _wsPa
}
else
catDict.dictGetValNF(nIndex, &oAcroForm);
DictToCDictObject(&oAcroForm, pCatalog, false, chKey);
DictToCDictObject(&oAcroForm, pCatalog, chKey);
oAcroForm.free();
}
catDict.free();
@ -659,7 +758,7 @@ CPdfEditor::CPdfEditor(const std::wstring& _wsSrcFile, const std::wstring& _wsPa
Object oTemp;
char* chKey = encrypt.dictGetKey(nIndex);
encrypt.dictGetValNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pEncryptDict, true, chKey);
DictToCDictObject(&oTemp, pEncryptDict, chKey);
oTemp.free();
}
}
@ -670,7 +769,7 @@ CPdfEditor::CPdfEditor(const std::wstring& _wsSrcFile, const std::wstring& _wsPa
encrypt.free();
if (pTrailerDict->dictLookup("ID", &ID) && ID.isArray() && ID.arrayGet(0, &ID1) && ID1.isString())
DictToCDictObject(&ID1, pEncryptDict, true, "ID");
DictToCDictObject(&ID1, pEncryptDict, "ID");
ID.free(); ID1.free();
xref->onEncrypted();
@ -731,7 +830,7 @@ void CPdfEditor::Close()
Object oTemp;
char* chKey = trailerDict->dictGetKey(nIndex);
trailerDict->dictGetValNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pTrailer, true, chKey);
DictToCDictObject(&oTemp, pTrailer, chKey);
oTemp.free();
}
}
@ -764,7 +863,7 @@ void CPdfEditor::Close()
Object oTemp;
char* chKey = info.dictGetKey(nIndex);
info.dictGetValNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pInfoDict, true, chKey);
DictToCDictObject(&oTemp, pInfoDict, chKey);
oTemp.free();
}
pInfoDict->SetTime(PdfWriter::InfoModaDate);
@ -851,7 +950,7 @@ void CPdfEditor::GetPageTree(XRef* xref, Object* pPagesRefObj, PdfWriter::CPageT
oTemp.dictGetVal(nIndex, &oRes);
else
oTemp.dictGetValNF(nIndex, &oRes);
DictToCDictObject(&oRes, pDict, false, chKey2);
DictToCDictObject(&oRes, pDict, chKey2);
oRes.free();
}
@ -871,7 +970,7 @@ void CPdfEditor::GetPageTree(XRef* xref, Object* pPagesRefObj, PdfWriter::CPageT
}
else
pagesObj.dictGetValNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pPageT, false, chKey);
DictToCDictObject(&oTemp, pPageT, chKey);
oTemp.free();
}
pDoc->CreatePageTree(pXref, pPageT);
@ -966,7 +1065,7 @@ bool CPdfEditor::EditPage(int nPageIndex, bool bSet)
oTemp.dictGetVal(nIndex, &oRes);
else
oTemp.dictGetValNF(nIndex, &oRes);
DictToCDictObject(&oRes, pDict, false, chKey2);
DictToCDictObject(&oRes, pDict, chKey2);
oRes.free();
}
@ -989,7 +1088,7 @@ bool CPdfEditor::EditPage(int nPageIndex, bool bSet)
{
Object oAnnot;
oTemp.arrayGetNF(nIndex, &oAnnot);
DictToCDictObject(&oAnnot, pArray, false, "");
DictToCDictObject(&oAnnot, pArray, "");
oAnnot.free();
}
oTemp.free();
@ -1005,7 +1104,7 @@ bool CPdfEditor::EditPage(int nPageIndex, bool bSet)
{
if (pageObj.dictGetVal(nIndex, &oTemp)->isArray())
{
DictToCDictObject(&oTemp, pPage, true, chKey);
DictToCDictObject(&oTemp, pPage, chKey);
oTemp.free();
continue;
}
@ -1021,7 +1120,7 @@ bool CPdfEditor::EditPage(int nPageIndex, bool bSet)
}
else
pageObj.dictGetValNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pPage, true, chKey);
DictToCDictObject(&oTemp, pPage, chKey);
oTemp.free();
}
pPage->Fix();
@ -1052,6 +1151,121 @@ bool CPdfEditor::EditPage(int nPageIndex, bool bSet)
RELEASEOBJECT(pXref);
return false;
}
bool CPdfEditor::SplitPage(int nPageIndex)
{
PDFDoc* pPDFDocument = pReader->GetPDFDocument();
PdfWriter::CDocument* pDoc = pWriter->GetDocument();
if (!pPDFDocument || !pDoc)
return false;
XRef* xref = pPDFDocument->getXRef();
Catalog* pCatalog = pPDFDocument->getCatalog();
if (!xref || !pCatalog)
return false;
std::pair<int, int> pPageRef = pDoc->GetPageRef(nPageIndex);
if (pPageRef.first == 0)
return false;
HRESULT nRes = pWriter->NewPage();
if (nRes == S_FALSE)
return false;
PdfWriter::CPage* pPage = pWriter->GetPage();
if (!pPage)
return false;
// Получение объекта страницы
Object pageRefObj, pageObj;
pageRefObj.initRef(pPageRef.first, pPageRef.second);
if (!pageRefObj.fetch(xref, &pageObj) || !pageObj.isDict())
{
pageObj.free();
pageRefObj.free();
return false;
}
pageRefObj.free();
// Воспроизведение словаря страницы из reader для writer
for (int nIndex = 0; nIndex < pageObj.dictGetLength(); ++nIndex)
{
Object oTemp;
char* chKey = pageObj.dictGetKey(nIndex);
if (strcmp("Resources", chKey) == 0)
{
if (pageObj.dictGetVal(nIndex, &oTemp)->isDict())
{
PdfWriter::CResourcesDict* pDict = new PdfWriter::CResourcesDict(NULL, true, false);
pPage->Add("Resources", pDict);
for (int nIndex = 0; nIndex < oTemp.dictGetLength(); ++nIndex)
{
Object oRes;
char* chKey2 = oTemp.dictGetKey(nIndex);
if (strcmp("Font", chKey2) == 0 || strcmp("ExtGState", chKey2) == 0 || strcmp("XObject", chKey2) == 0 || strcmp("Shading", chKey2) == 0 || strcmp("Pattern", chKey2) == 0)
oTemp.dictGetVal(nIndex, &oRes);
else
oTemp.dictGetValNF(nIndex, &oRes);
DictToCDictObject2(&oRes, pDict, chKey2, pDoc, xref, false);
oRes.free();
}
oTemp.free();
continue;
}
else
{
oTemp.free();
pageObj.dictGetValNF(nIndex, &oTemp);
}
}
else if (strcmp("Annots", chKey) == 0)
{
if (pageObj.dictGetVal(nIndex, &oTemp)->isArray())
{
PdfWriter::CArrayObject* pArray = new PdfWriter::CArrayObject();
pPage->Add("Annots", pArray);
for (int nIndex = 0; nIndex < oTemp.arrayGetLength(); ++nIndex)
{
Object oAnnot;
oTemp.arrayGetNF(nIndex, &oAnnot);
DictToCDictObject2(&oAnnot, pArray, "", pDoc, xref, false);
oAnnot.free();
}
oTemp.free();
continue;
}
else
{
oTemp.free();
pageObj.dictGetValNF(nIndex, &oTemp);
}
}
else if (strcmp("Contents", chKey) == 0)
{
if (pageObj.dictGetVal(nIndex, &oTemp)->isArray())
{
DictToCDictObject2(&oTemp, pPage, chKey, pDoc, xref, false);
oTemp.free();
continue;
}
else
{
oTemp.free();
pageObj.dictGetValNF(nIndex, &oTemp);
}
}
else if (strcmp("Parent", chKey) == 0)
{
pageObj.dictGetValNF(nIndex, &oTemp);
}
else
pageObj.dictGetValNF(nIndex, &oTemp);
DictToCDictObject2(&oTemp, pPage, chKey, pDoc, xref, false);
oTemp.free();
}
pPage->Fix();
pageObj.free();
return true;
}
bool CPdfEditor::DeletePage(int nPageIndex)
{
return pWriter->GetDocument()->DeletePage(nPageIndex);
@ -1235,7 +1449,6 @@ bool CPdfEditor::EditAnnot(int nPageIndex, int nID)
for (int nIndex = 0; nIndex < oAnnot.dictGetLength(); ++nIndex)
{
bool bUnicode = false;
char* chKey = oAnnot.dictGetKey(nIndex);
if (!strcmp("Popup", chKey))
{
@ -1282,11 +1495,9 @@ bool CPdfEditor::EditAnnot(int nPageIndex, int nID)
}
oParentRef.free();
}
else if (!strcmp("Opt", chKey))
bUnicode = true;
Object oTemp;
oAnnot.dictGetValNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pAnnot, false, chKey, bUnicode);
DictToCDictObject(&oTemp, pAnnot, chKey);
oTemp.free();
}
@ -1311,7 +1522,7 @@ bool CPdfEditor::EditAnnot(int nPageIndex, int nID)
{
char* chKey = pODict->getKey(nIndex);
pODict->getValNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pAPN, false, chKey);
DictToCDictObject(&oTemp, pAPN, chKey);
oTemp.free();
}
int nLength = 0;