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Performance bugfixes

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This commit is contained in:
Jakub Melka
2018-12-01 12:36:25 +01:00
parent 26a2a8deb5
commit bc8617751e
3 changed files with 50 additions and 6 deletions
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8
PdfForQtLib/sources/pdfvisitor.cpp
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@ -51,7 +51,6 @@ void PDFAbstractVisitor::acceptStream(const PDFStream* stream)
PDFStatisticsCollector::PDFStatisticsCollector()
{
// We must avoid to allocate map item
//std::vector<PDFObject::Type> types = PDFObject::getTypes();
for (PDFObject::Type type : PDFObject::getTypes())
{
m_statistics.emplace(std::make_pair(type, Statistics()));
@ -120,6 +119,13 @@ void PDFStatisticsCollector::visitStream(const PDFStream* stream)
Statistics& statistics = m_statistics[PDFObject::Type::Stream];
collectStatisticsOfDictionary(statistics, stream->getDictionary());
const QByteArray& byteArray = *stream->getContent();
const uint64_t memoryConsumption = byteArray.size() * sizeof(char);
const uint64_t memoryOverhead = (byteArray.capacity() - byteArray.size()) * sizeof(char);
statistics.memoryConsumptionEstimate += memoryConsumption;
statistics.memoryOverheadEstimate += memoryOverhead;
acceptStream(stream);
}