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Signature plugin: Layout algorithm bugfixing

This commit is contained in:
Jakub Melka 2022-03-19 16:08:36 +01:00
parent a5cd109a6e
commit 2a478c2af7
1 changed files with 29 additions and 12 deletions
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41
Pdf4QtLib/sources/pdfpagecontentelements.cpp
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@ -1751,15 +1751,17 @@ void PDFPageContentElementManipulator::performOperation(Operation operation)
}
// Create pairs of left/right elements
while (!elementsLeft.empty())
while (!elementsLeft.empty() && !elementsRight.empty())
{
if (!elementsLeft.empty() && !elementsRight.empty())
PDFPageContentElement* elementRight = nullptr;
PDFPageContentElement* elementLeft = nullptr;
qreal overlap = 0.0;
// Iterate trough element on the left
for (PDFPageContentElement* elementLeftCurrent : elementsLeft)
{
PDFPageContentElement* elementRight = nullptr;
PDFPageContentElement* elementLeft = elementsLeft.back();
QRectF leftBoundingBox = elementLeft->getBoundingBox();
elementsLeft.pop_back();
qreal overlap = 0.0;
QRectF leftBoundingBox = elementLeftCurrent->getBoundingBox();
// Find matching element on the right
for (PDFPageContentElement* elementRightCurrent : elementsRight)
@ -1774,19 +1776,34 @@ void PDFPageContentElementManipulator::performOperation(Operation operation)
{
overlap = currentOverlap;
elementRight = elementRightCurrent;
elementLeft = elementLeftCurrent;
}
}
}
}
if (elementRight)
{
auto it = std::find(elementsRight.begin(), elementsRight.end(), elementRight);
elementsRight.erase(it);
}
Q_ASSERT((elementLeft != nullptr) == (elementRight != nullptr));
if (elementLeft && elementRight)
{
auto itLeft = std::find(elementsLeft.begin(), elementsLeft.end(), elementLeft);
elementsLeft.erase(itLeft);
auto itRight = std::find(elementsRight.begin(), elementsRight.end(), elementRight);
elementsRight.erase(itRight);
formLayout.emplace_back(elementLeft, elementRight);
continue;
}
else
{
break;
}
}
for (PDFPageContentElement* leftElement : elementsLeft)
{
formLayout.emplace_back(leftElement, nullptr);
}
for (PDFPageContentElement* rightElement : elementsRight)