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Improvement of snappper

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Jakub Melka
2020-02-26 19:06:32 +01:00
parent a27216e752
commit 46c267e537
6 changed files with 248 additions and 37 deletions
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30
PdfForQtLib/sources/pdfdrawspacecontroller.cpp
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@ -884,6 +884,36 @@ PDFInteger PDFDrawWidgetProxy::getPageUnderPoint(QPoint point, QPointF* pagePoin
return -1;
}
PDFWidgetSnapshot PDFDrawWidgetProxy::getSnapshot() const
{
PDFWidgetSnapshot snapshot;
// Get the viewport
QRect viewport = getWidget()->rect();
// Iterate trough pages, place them and test, if they intersects with rectangle
for (const LayoutItem& item : m_layout.items)
{
// The offsets m_horizontalOffset and m_verticalOffset are offsets to the
// topleft point of the block. But block maybe doesn't start at (0, 0),
// so we must also use translation from the block beginning.
QRect placedRect = item.pageRect.translated(m_horizontalOffset - m_layout.blockRect.left(), m_verticalOffset - m_layout.blockRect.top());
if (placedRect.intersects(viewport))
{
const PDFPage* page = m_controller->getDocument()->getCatalog()->getPage(item.pageIndex);
PDFWidgetSnapshot::SnapshotItem snapshotItem;
snapshotItem.rect = placedRect;
snapshotItem.pageIndex = item.pageIndex;
snapshotItem.compiledPage = m_compiler->getCompiledPage(item.pageIndex, false);
snapshotItem.pageToDeviceMatrix = createPagePointToDevicePointMatrix(page, placedRect);
snapshot.items.emplace_back(qMove(snapshotItem));
}
}
return snapshot;
}
QRect PDFDrawWidgetProxy::getPagesIntersectingRectBoundingBox(QRect rect) const
{
QRect resultRect;