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Release GetWidgetFonts

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This commit is contained in:
Svetlana Kulikova
2023-11-22 11:58:19 +03:00
parent 9eee80b43e
commit 44ef271b92
5 changed files with 115 additions and 58 deletions
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113
PdfFile/PdfReader.cpp
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@ -896,35 +896,51 @@ BYTE* CPdfReader::GetWidgetFonts()
NSWasm::CData oRes;
oRes.SkipLen();
Object oObj1, oObj2;
int nFontsID = 0;
int nFontsPos = oRes.GetSize();
oRes.AddInt(nFontsID);
std::vector<int> arrFontsRef;
for (int i = 0, nNum = pAcroForms->getNumFields(); i < nNum; ++i)
{
AcroFormField* pField = pAcroForms->getField(i);
Object oFieldRef, oField;
if (!pField || !pField->getFieldRef(&oFieldRef)->isRef() || !oFieldRef.fetch(xref, &oField)->isDict())
{
oField.free(); oFieldRef.free();
if (!pField)
continue;
}
GfxFont* gfxFont = NULL;
GfxFontDict *gfxFontDict = NULL;
// Шрифт и размер шрифта - из DA
Ref fontID;
double dFontSize = 0;
pField->getFont(&fontID, &dFontSize);
if (fontID.num > 0)
if (fontID.num < 0 || std::find(arrFontsRef.begin(), arrFontsRef.end(), fontID.num) != arrFontsRef.end())
continue;
Object oObj, oField, oFont;
pField->getFieldRef(&oObj);
oObj.fetch(xref, &oField);
oObj.free();
bool bFindResources = false;
if (oField.dictLookup("DR", &oObj)->isDict() && oObj.dictLookup("Font", &oFont)->isDict())
{
for (int i = 0; i < oFont.dictGetLength(); ++i)
{
Object oFontRef;
if (oFont.dictGetValNF(i, &oFontRef)->isRef() && oFontRef.getRef() == fontID)
{
bFindResources = true;
oFontRef.free();
break;
}
oFontRef.free();
}
}
oFont.free(); oField.free();
if (!bFindResources)
{
Object oObj, oField, oFont;
pField->getFieldRef(&oObj);
oObj.fetch(xref, &oField);
oObj.free();
bool bFindResources = false;
if (oField.dictLookup("DR", &oObj)->isDict() && oObj.dictLookup("Font", &oFont)->isDict())
Object* oAcroForm = pAcroForms->getAcroFormObj();
if (oAcroForm->isDict() && oAcroForm->dictLookup("DR", &oObj)->isDict() && oObj.dictLookup("Font", &oFont)->isDict())
{
for (int i = 0; i < oFont.dictGetLength(); ++i)
{
@ -938,61 +954,50 @@ BYTE* CPdfReader::GetWidgetFonts()
oFontRef.free();
}
}
oFont.free(); oField.free();
oFont.free();
}
if (!bFindResources)
GfxFont* gfxFont = NULL;
GfxFontDict *gfxFontDict = NULL;
if (bFindResources)
{
Object oFontRef;
if (oObj.dictLookupNF("Font", &oFontRef)->isRef())
{
oObj.free();
Object* oAcroForm = pAcroForms->getAcroFormObj();
if (oAcroForm->isDict() && oAcroForm->dictLookup("DR", &oObj)->isDict() && oObj.dictLookup("Font", &oFont)->isDict())
if (oFontRef.fetch(xref, &oFont)->isDict())
{
for (int i = 0; i < oFont.dictGetLength(); ++i)
{
Object oFontRef;
if (oFont.dictGetValNF(i, &oFontRef)->isRef() && oFontRef.getRef() == fontID)
{
bFindResources = true;
oFontRef.free();
break;
}
oFontRef.free();
}
Ref r = oFontRef.getRef();
gfxFontDict = new GfxFontDict(xref, &r, oFont.getDict());
gfxFont = gfxFontDict->lookupByRef(fontID);
}
oFont.free();
}
if (bFindResources)
else if (oFontRef.isDict())
{
Object oFontRef;
if (oObj.dictLookupNF("Font", &oFontRef)->isRef())
{
if (oFontRef.fetch(xref, &oFont)->isDict())
{
Ref r = oFontRef.getRef();
gfxFontDict = new GfxFontDict(xref, &r, oFont.getDict());
gfxFont = gfxFontDict->lookupByRef(fontID);
}
oFont.free();
}
else if (oFontRef.isDict())
{
gfxFontDict = new GfxFontDict(xref, NULL, oFontRef.getDict());
gfxFont = gfxFontDict->lookupByRef(fontID);
}
oFontRef.free();
gfxFontDict = new GfxFontDict(xref, NULL, oFontRef.getDict());
gfxFont = gfxFontDict->lookupByRef(fontID);
}
oObj.free();
oFontRef.free();
}
oObj.free();
std::wstring wsFileName, wsFontName;
if (gfxFont)
GetFont(xref, m_pFontManager, m_pFontList, gfxFont, wsFileName, wsFontName);
std::string m_sFontName = U_TO_UTF8(wsFileName);
if (wsFileName.length() > 17 && wsFileName.substr(0, 17) == L"storage_internal_")
{
std::string sFileName = U_TO_UTF8(wsFileName);
oRes.WriteString(sFileName);
nFontsID++;
arrFontsRef.push_back(fontID.num);
}
RELEASEOBJECT(gfxFontDict);
}
oRes.AddInt(nFontsID, nFontsPos);
oRes.WriteLen();
BYTE* bRes = oRes.GetBuffer();
oRes.ClearWithoutAttack();