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Widget Edit

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This commit is contained in:
Svetlana Kulikova
2023-10-11 18:25:20 +03:00
parent ab29fce4ed
commit 30fda467b3
8 changed files with 243 additions and 35 deletions
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68
PdfFile/PdfFile.cpp
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@ -685,6 +685,57 @@ bool CPdfFile::AddPage(int nPageIndex)
}
return bRes;
}
PdfWriter::CDictObject* GetWidgetParent(PDFDoc* pdfDoc, PdfWriter::CDocument* pDoc, Object* pParentRef)
{
PdfWriter::CDictObject* pParent = NULL;
if (!pParentRef || !pParentRef->isRef() || !pdfDoc)
return pParent;
XRef* xref = pdfDoc->getXRef();
Object oParent;
if (!pParentRef->fetch(xref, &oParent)->isDict())
{
oParent.free();
return pParent;
}
PdfWriter::CXref* pXref = new PdfWriter::CXref(pDoc, pParentRef->getRefNum());
pParent = new PdfWriter::CDictObject();
pXref->Add(pParent);
if (!pDoc->EditParent(pXref, pParent, pParentRef->getRefNum()))
{
RELEASEOBJECT(pXref);
oParent.free();
return NULL;
}
for (int i = 0; i < oParent.dictGetLength(); ++i)
{
char* chKey = oParent.dictGetKey(i);
if (strcmp("Parent", chKey) == 0)
{
Object oParentRef;
oParent.dictGetValNF(i, &oParentRef);
PdfWriter::CDictObject* pParent2 = GetWidgetParent(pdfDoc, pDoc, &oParentRef);
if (pParent2)
{
pParent->Add("Parent", pParent2);
oParentRef.free();
continue;
}
oParentRef.free();
}
Object oTemp;
oParent.dictGetValNF(i, &oTemp);
DictToCDictObject(&oTemp, pParent, false, chKey);
oTemp.free();
}
pParent->SetRef(pParentRef->getRefNum(), pParentRef->getRefGen());
oParent.free();
return pParent;
}
bool CPdfFile::EditAnnot(int nPageIndex, int nID)
{
// Проверка режима редактирования
@ -742,6 +793,7 @@ bool CPdfFile::EditAnnot(int nPageIndex, int nID)
return false;
}
bool bIsWidget = false;
PdfWriter::CAnnotation* pAnnot = NULL;
if (oType.isName("Text"))
pAnnot = new PdfWriter::CTextAnnotation(pXref);
@ -763,6 +815,7 @@ bool CPdfFile::EditAnnot(int nPageIndex, int nID)
pAnnot = new PdfWriter::CPopupAnnotation(pXref);
else if (oType.isName("Widget"))
{
bIsWidget = true;
char* sName = NULL;
Object oFT;
if (oAnnot.dictLookup("FT", &oFT)->isName())
@ -830,6 +883,20 @@ bool CPdfFile::EditAnnot(int nPageIndex, int nID)
}
continue;
}
if (strcmp("Parent", chKey) == 0 && bIsWidget)
{
Object oParentRef;
oAnnot.dictGetValNF(nIndex, &oParentRef);
PdfWriter::CDictObject* pParent = GetWidgetParent(pPDFDocument, pDoc, &oParentRef);
if (pParent)
{
((PdfWriter::CWidgetAnnotation*)pAnnot)->SetParent(pParent);
oParentRef.free();
continue;
}
oParentRef.free();
}
Object oTemp;
oAnnot.dictGetValNF(nIndex, &oTemp);
DictToCDictObject(&oTemp, pAnnot, false, chKey);
@ -844,6 +911,7 @@ bool CPdfFile::EditAnnot(int nPageIndex, int nID)
RELEASEOBJECT(pXref);
return false;
}
bool CPdfFile::DeleteAnnot(int nID)
{
// Проверка режима редактирования