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Asynchronous calculation of document text layout

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Jakub Melka
2020-01-01 18:23:18 +01:00
parent c832c4ecef
commit e9481fc446
12 changed files with 313 additions and 81 deletions
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12
PdfForQtLib/sources/pdfdocumentreader.cpp
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@ -269,7 +269,7 @@ PDFDocument PDFDocumentReader::readFromBuffer(const QByteArray& buffer)
};
// Now, we are ready to scan all objects
progressStart(occupiedEntries.size());
progressStart(occupiedEntries.size(), PDFTranslationContext::tr("Reading contents of document..."));
std::for_each(std::execution::parallel_policy(), occupiedEntries.cbegin(), occupiedEntries.cend(), processEntry);
progressFinish();
@ -369,7 +369,7 @@ PDFDocument PDFDocumentReader::readFromBuffer(const QByteArray& buffer)
objects[entry.reference.objectNumber].object = securityHandler->decryptObject(objects[entry.reference.objectNumber].object, entry.reference);
};
progressStart(occupiedEntries.size());
progressStart(occupiedEntries.size(), PDFTranslationContext::tr("Decrypting encrypted contents of document..."));
std::for_each(std::execution::parallel_policy(), occupiedEntries.cbegin(), occupiedEntries.cend(), decryptEntry);
progressFinish();
}
@ -529,11 +529,15 @@ int PDFDocumentReader::findFromEnd(const char* what, const QByteArray& byteArray
return FIND_NOT_FOUND_RESULT;
}
void PDFDocumentReader::progressStart(size_t stepCount)
void PDFDocumentReader::progressStart(size_t stepCount, QString text)
{
if (m_progress)
{
m_progress->start(stepCount);
ProgressStartupInfo info;
info.showDialog = !text.isEmpty();
info.text = qMove(text);
m_progress->start(stepCount, qMove(info));
}
}