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Multimedia, rendition action

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This commit is contained in:
Jakub Melka
2019-11-23 19:02:24 +01:00
parent 2a11fa18e0
commit 18ac9166c0
7 changed files with 1408 additions and 2 deletions
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42
PdfForQtLib/sources/pdfdocument.cpp
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@ -547,4 +547,46 @@ QByteArray PDFDocumentDataLoaderDecorator::readStringFromDictionary(const PDFDic
return QByteArray();
}
std::vector<QByteArray> PDFDocumentDataLoaderDecorator::readStringArrayFromDictionary(const PDFDictionary* dictionary, const char* key) const
{
if (dictionary->hasKey(key))
{
return readStringArray(dictionary->get(key));
}
return std::vector<QByteArray>();
}
std::vector<QByteArray> PDFDocumentDataLoaderDecorator::readStringArray(const PDFObject& object) const
{
const PDFObject& dereferencedObject = m_document->getObject(object);
if (dereferencedObject.isArray())
{
const PDFArray* array = dereferencedObject.getArray();
std::vector<QByteArray> result;
const size_t count = array->getCount();
result.reserve(count);
for (size_t i = 0; i < count; ++i)
{
const PDFObject& stringObject = array->getItem(i);
if (stringObject.isString())
{
result.push_back(stringObject.getString());
}
else
{
result.clear();
break;
}
}
// We assume, that RVO (return value optimization) will not work for this function
// (multiple return points).
return std::move(result);
}
return std::vector<QByteArray>();
}
} // namespace pdf