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Signatures: line tool

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Jakub Melka
2022-02-13 19:46:09 +01:00
parent c58f11c2e4
commit b61fcff27d
7 changed files with 263 additions and 8 deletions
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104
Pdf4QtLib/sources/pdfpagecontenteditortools.cpp
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@ -117,4 +117,108 @@ void PDFCreatePCElementRectangleTool::onRectanglePicked(PDFInteger pageIndex, QR
setActive(false);
}
PDFCreatePCElementLineTool::PDFCreatePCElementLineTool(PDFDrawWidgetProxy* proxy,
PDFPageContentScene* scene,
QAction* action,
bool isHorizontal,
bool isVertical,
QObject* parent) :
BaseClass(proxy, scene, action, parent),
m_pickTool(nullptr),
m_element(nullptr)
{
m_pickTool = new PDFPickTool(proxy, PDFPickTool::Mode::Points, this);
m_pickTool->setDrawSelectionRectangle(false);
addTool(m_pickTool);
connect(m_pickTool, &PDFPickTool::pointPicked, this, &PDFCreatePCElementLineTool::onPointPicked);
QPen pen(Qt::SolidLine);
pen.setWidthF(2.0);
pen.setCapStyle(Qt::RoundCap);
PDFPageContentElementLine::LineGeometry geometry = PDFPageContentElementLine::LineGeometry::General;
if (isHorizontal)
{
geometry = PDFPageContentElementLine::LineGeometry::Horizontal;
}
if (isVertical)
{
geometry = PDFPageContentElementLine::LineGeometry::Vertical;
}
m_element = new PDFPageContentElementLine();
m_element->setBrush(Qt::NoBrush);
m_element->setPen(std::move(pen));
m_element->setGeometry(geometry);
updateActions();
}
PDFCreatePCElementLineTool::~PDFCreatePCElementLineTool()
{
delete m_element;
}
void PDFCreatePCElementLineTool::drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QMatrix& pagePointToDevicePointMatrix,
QList<PDFRenderError>& errors) const
{
BaseClass::drawPage(painter, pageIndex, compiledPage, layoutGetter, pagePointToDevicePointMatrix, errors);
if (pageIndex != m_pickTool->getPageIndex() || !m_startPoint)
{
return;
}
m_element->setPageIndex(pageIndex);
QPointF startPoint = *m_startPoint;
QPointF endPoint = pagePointToDevicePointMatrix.inverted().map(m_pickTool->getSnappedPoint());
QLineF line(startPoint, endPoint);
if (!qFuzzyIsNull(line.length()))
{
m_element->setLine(line);
}
m_element->drawPage(painter, pageIndex, compiledPage, layoutGetter, pagePointToDevicePointMatrix, errors);
}
void PDFCreatePCElementLineTool::clear()
{
m_startPoint = std::nullopt;
}
void PDFCreatePCElementLineTool::onPointPicked(PDFInteger pageIndex, QPointF pagePoint)
{
if (!m_startPoint || m_element->getPageIndex() != pageIndex)
{
m_startPoint = pagePoint;
m_element->setPageIndex(pageIndex);
m_element->setLine(QLineF(pagePoint, pagePoint));
return;
}
if (qFuzzyCompare(m_startPoint.value().x(), pagePoint.x()) &&
qFuzzyCompare(m_startPoint.value().y(), pagePoint.y()))
{
// Jakub Melka: Point is same as the start point
clear();
return;
}
QLineF line = m_element->getLine();
line.setP2(pagePoint);
m_element->setLine(line);
m_scene->addElement(m_element->clone());
clear();
setActive(false);
}
} // namespace pdf