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Jakub Melka
2021-09-11 18:17:38 +02:00
parent 7de0fdad3c
commit 050ba869f3
5 changed files with 304 additions and 25 deletions
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14
Pdf4QtLib/sources/pdfpainter.cpp
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@ -879,14 +879,15 @@ PDFPrecompiledPage::GraphicPieceInfos PDFPrecompiledPage::calculateGraphicPieceI
info.type = data.isText ? GraphicPieceInfo::Type::Text : GraphicPieceInfo::Type::VectorGraphics;
info.boundingRect = pagePath.controlPointRect();
info.pagePath = pagePath;
const int elementCount = pagePath.elementCount();
for (int i = 0; i < elementCount; ++i)
{
QPainterPath::Element element = pagePath.elementAt(i);
PDFReal roundedX = qRound(element.x * factor);
PDFReal roundedY = qRound(element.y * factor);
PDFReal roundedX = qFloor(element.x * factor);
PDFReal roundedY = qFloor(element.y * factor);
stream << roundedX;
stream << roundedY;
@ -911,11 +912,13 @@ PDFPrecompiledPage::GraphicPieceInfos PDFPrecompiledPage::calculateGraphicPieceI
GraphicPieceInfo info;
QByteArray serializedPath;
QByteArray serializedImage;
// Serialize data
if (true)
{
QDataStream stream(&serializedPath, QIODevice::WriteOnly);
QDataStream streamImage(&serializedImage, QIODevice::WriteOnly);
// Jakub Melka: serialize image position
QMatrix worldMatrix = stateStack.top().matrix;
@ -926,6 +929,7 @@ PDFPrecompiledPage::GraphicPieceInfos PDFPrecompiledPage::calculateGraphicPieceI
info.type = GraphicPieceInfo::Type::Image;
info.boundingRect = pagePath.controlPointRect();
info.pagePath = pagePath;
const int elementCount = pagePath.elementCount();
for (int i = 0; i < elementCount; ++i)
@ -942,14 +946,20 @@ PDFPrecompiledPage::GraphicPieceInfos PDFPrecompiledPage::calculateGraphicPieceI
// serialize image data
stream.writeBytes(reinterpret_cast<const char*>(image.bits()), image.sizeInBytes());
streamImage.writeBytes(reinterpret_cast<const char*>(image.bits()), image.sizeInBytes());
}
QByteArray hash = QCryptographicHash::hash(serializedPath, QCryptographicHash::Sha512);
Q_ASSERT(QCryptographicHash::hashLength(QCryptographicHash::Sha512) == 64);
QByteArray imageHash = QCryptographicHash::hash(serializedImage, QCryptographicHash::Sha512);
size_t size = qMin<size_t>(hash.length(), info.hash.size());
std::copy(hash.data(), hash.data() + size, info.hash.data());
size_t sizeImage = qMin<size_t>(imageHash.length(), info.imageHash.size());
std::copy(imageHash.data(), imageHash.data() + sizeImage, info.imageHash.data());
infos.emplace_back(std::move(info));
break;
}