mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
Create annotations tool - line, polyline, polygon, ellipse
This commit is contained in:
Jakub Melka
@ -22,6 +22,7 @@
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#include <QActionGroup>
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#include <QInputDialog>
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#include <QKeyEvent>
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namespace pdf
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{
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@ -162,7 +163,7 @@ void PDFCreateFreeTextTool::onRectanglePicked(PDFInteger pageIndex, QRectF pageR
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QString userName = PDFSysUtils::getUserName();
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PDFObjectReference page = getDocument()->getCatalog()->getPage(pageIndex)->getPageReference();
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modifier.getBuilder()->createAnnotationFreeText(page, pageRectangle, PDFSysUtils::getUserName(), QString(), text, TextAlignment(Qt::AlignLeft | Qt::AlignTop));
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modifier.getBuilder()->createAnnotationFreeText(page, pageRectangle, userName, QString(), text, TextAlignment(Qt::AlignLeft | Qt::AlignTop));
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modifier.markAnnotationsChanged();
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if (modifier.finalize())
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@ -190,4 +191,411 @@ void PDFCreateAnnotationTool::updateActions()
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}
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}
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PDFCreateLineTypeTool::PDFCreateLineTypeTool(PDFDrawWidgetProxy* proxy, PDFToolManager* toolManager, PDFCreateLineTypeTool::Type type, QAction* action, QObject* parent) :
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BaseClass(proxy, action, parent),
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m_toolManager(toolManager),
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m_pickTool(nullptr),
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m_type(type),
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m_penWidth(1.0),
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m_strokeColor(Qt::red),
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m_fillColor(Qt::yellow)
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{
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m_pickTool = new PDFPickTool(proxy, PDFPickTool::Mode::Points, this);
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addTool(m_pickTool);
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connect(m_pickTool, &PDFPickTool::pointPicked, this, &PDFCreateLineTypeTool::onPointPicked);
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m_fillColor.setAlphaF(0.2);
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updateActions();
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}
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void PDFCreateLineTypeTool::onPointPicked(PDFInteger pageIndex, QPointF pagePoint)
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{
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Q_UNUSED(pageIndex);
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Q_UNUSED(pagePoint);
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if (m_type == Type::Line && m_pickTool->getPickedPoints().size() == 2)
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{
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finishDefinition();
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}
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}
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void PDFCreateLineTypeTool::finishDefinition()
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{
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const std::vector<QPointF>& pickedPoints = m_pickTool->getPickedPoints();
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switch (m_type)
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{
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case Type::Line:
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{
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if (pickedPoints.size() >= 2)
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{
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PDFDocumentModifier modifier(getDocument());
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QString userName = PDFSysUtils::getUserName();
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PDFObjectReference page = getDocument()->getCatalog()->getPage(m_pickTool->getPageIndex())->getPageReference();
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modifier.getBuilder()->createAnnotationLine(page, QRectF(), pickedPoints.front(), pickedPoints.back(), m_penWidth, m_fillColor, m_strokeColor, userName, QString(), QString(), AnnotationLineEnding::None, AnnotationLineEnding::None);
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modifier.markAnnotationsChanged();
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if (modifier.finalize())
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{
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emit m_toolManager->documentModified(PDFModifiedDocument(modifier.getDocument(), nullptr, modifier.getFlags()));
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}
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setActive(false);
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}
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break;
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}
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case Type::PolyLine:
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{
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if (pickedPoints.size() >= 3)
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{
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PDFDocumentModifier modifier(getDocument());
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QPolygonF polygon;
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for (const QPointF& point : pickedPoints)
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{
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polygon << point;
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}
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QString userName = PDFSysUtils::getUserName();
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PDFObjectReference page = getDocument()->getCatalog()->getPage(m_pickTool->getPageIndex())->getPageReference();
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modifier.getBuilder()->createAnnotationPolyline(page, polygon, m_penWidth, m_fillColor, m_strokeColor, userName, QString(), QString(), AnnotationLineEnding::None, AnnotationLineEnding::None);
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modifier.markAnnotationsChanged();
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if (modifier.finalize())
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{
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emit m_toolManager->documentModified(PDFModifiedDocument(modifier.getDocument(), nullptr, modifier.getFlags()));
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}
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setActive(false);
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}
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break;
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}
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case Type::Polygon:
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{
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if (pickedPoints.size() >= 3)
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{
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PDFDocumentModifier modifier(getDocument());
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QPolygonF polygon;
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for (const QPointF& point : pickedPoints)
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{
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polygon << point;
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}
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if (!polygon.isClosed())
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{
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polygon << pickedPoints.front();
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}
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QString userName = PDFSysUtils::getUserName();
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PDFObjectReference page = getDocument()->getCatalog()->getPage(m_pickTool->getPageIndex())->getPageReference();
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PDFObjectReference annotation = modifier.getBuilder()->createAnnotationPolygon(page, polygon, m_penWidth, m_fillColor, m_strokeColor, userName, QString(), QString());
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modifier.getBuilder()->setAnnotationFillOpacity(annotation, m_fillColor.alphaF());
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modifier.getBuilder()->updateAnnotationAppearanceStreams(annotation);
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modifier.markAnnotationsChanged();
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if (modifier.finalize())
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{
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emit m_toolManager->documentModified(PDFModifiedDocument(modifier.getDocument(), nullptr, modifier.getFlags()));
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}
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setActive(false);
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}
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break;
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}
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default:
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Q_ASSERT(false);
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break;
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}
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m_pickTool->resetTool();
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}
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QColor PDFCreateLineTypeTool::getFillColor() const
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{
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return m_fillColor;
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}
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void PDFCreateLineTypeTool::setFillColor(const QColor& fillColor)
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{
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m_fillColor = fillColor;
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}
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QColor PDFCreateLineTypeTool::getStrokeColor() const
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{
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return m_strokeColor;
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}
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void PDFCreateLineTypeTool::setStrokeColor(const QColor& strokeColor)
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{
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m_strokeColor = strokeColor;
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}
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PDFReal PDFCreateLineTypeTool::getPenWidth() const
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{
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return m_penWidth;
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}
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void PDFCreateLineTypeTool::setPenWidth(PDFReal penWidth)
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{
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m_penWidth = penWidth;
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}
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void PDFCreateLineTypeTool::keyPressEvent(QWidget* widget, QKeyEvent* event)
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{
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Q_UNUSED(widget);
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switch (m_type)
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{
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case Type::PolyLine:
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case Type::Polygon:
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{
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if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return)
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{
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finishDefinition();
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event->accept();
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}
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else
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{
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event->ignore();
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}
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break;
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}
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default:
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event->ignore();
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break;
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}
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if (!event->isAccepted())
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{
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BaseClass::keyPressEvent(widget, event);
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}
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}
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void PDFCreateLineTypeTool::keyReleaseEvent(QWidget* widget, QKeyEvent* event)
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{
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Q_UNUSED(widget);
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switch (m_type)
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{
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case Type::PolyLine:
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case Type::Polygon:
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{
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if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return)
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{
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event->accept();
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}
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else
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{
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event->ignore();
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}
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break;
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}
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default:
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event->ignore();
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break;
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}
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if (!event->isAccepted())
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{
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BaseClass::keyReleaseEvent(widget, event);
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}
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}
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void PDFCreateLineTypeTool::drawPage(QPainter* painter,
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PDFInteger pageIndex,
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const PDFPrecompiledPage* compiledPage,
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PDFTextLayoutGetter& layoutGetter,
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const QMatrix& pagePointToDevicePointMatrix,
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QList<PDFRenderError>& errors) const
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{
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Q_UNUSED(pageIndex);
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Q_UNUSED(compiledPage);
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Q_UNUSED(layoutGetter);
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Q_UNUSED(errors);
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BaseClass::drawPage(painter, pageIndex, compiledPage, layoutGetter, pagePointToDevicePointMatrix, errors);
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if (pageIndex != m_pickTool->getPageIndex())
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{
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return;
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}
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const std::vector<QPointF>& points = m_pickTool->getPickedPoints();
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if (points.empty())
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{
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return;
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}
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QPointF mousePoint = pagePointToDevicePointMatrix.inverted().map(m_pickTool->getSnappedPoint());
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painter->setWorldMatrix(pagePointToDevicePointMatrix, true);
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QPen pen(m_strokeColor);
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QBrush brush(m_fillColor, Qt::SolidPattern);
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pen.setWidthF(m_penWidth);
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painter->setPen(qMove(pen));
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painter->setBrush(qMove(brush));
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painter->setRenderHint(QPainter::Antialiasing);
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switch (m_type)
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{
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case Type::Line:
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case Type::PolyLine:
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{
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for (size_t i = 1; i < points.size(); ++i)
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{
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painter->drawLine(points[i - 1], points[i]);
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}
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painter->drawLine(points.back(), mousePoint);
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break;
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}
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case Type::Polygon:
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{
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QPainterPath path;
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path.moveTo(points.front());
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for (size_t i = 1; i < points.size(); ++i)
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{
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path.lineTo(points[i]);
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}
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path.lineTo(mousePoint);
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path.closeSubpath();
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painter->drawPath(path);
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break;
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}
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default:
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Q_ASSERT(false);
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break;
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}
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}
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PDFCreateEllipseTool::PDFCreateEllipseTool(PDFDrawWidgetProxy* proxy, PDFToolManager* toolManager, QAction* action, QObject* parent) :
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BaseClass(proxy, action, parent),
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m_toolManager(toolManager),
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m_pickTool(nullptr),
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m_penWidth(1.0),
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m_strokeColor(Qt::red),
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m_fillColor(Qt::yellow)
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{
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m_pickTool = new PDFPickTool(proxy, PDFPickTool::Mode::Rectangles, this);
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m_pickTool->setDrawSelectionRectangle(false);
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addTool(m_pickTool);
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connect(m_pickTool, &PDFPickTool::rectanglePicked, this, &PDFCreateEllipseTool::onRectanglePicked);
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m_fillColor.setAlphaF(0.2);
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updateActions();
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}
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PDFReal PDFCreateEllipseTool::getPenWidth() const
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{
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return m_penWidth;
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}
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void PDFCreateEllipseTool::setPenWidth(PDFReal penWidth)
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{
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m_penWidth = penWidth;
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}
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QColor PDFCreateEllipseTool::getStrokeColor() const
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{
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return m_strokeColor;
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}
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void PDFCreateEllipseTool::setStrokeColor(const QColor& strokeColor)
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{
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m_strokeColor = strokeColor;
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}
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QColor PDFCreateEllipseTool::getFillColor() const
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{
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return m_fillColor;
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}
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void PDFCreateEllipseTool::setFillColor(const QColor& fillColor)
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{
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m_fillColor = fillColor;
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}
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void PDFCreateEllipseTool::drawPage(QPainter* painter,
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PDFInteger pageIndex,
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const PDFPrecompiledPage* compiledPage,
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PDFTextLayoutGetter& layoutGetter,
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const QMatrix& pagePointToDevicePointMatrix,
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QList<PDFRenderError>& errors) const
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{
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BaseClass::drawPage(painter, pageIndex, compiledPage, layoutGetter, pagePointToDevicePointMatrix, errors);
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if (pageIndex != m_pickTool->getPageIndex())
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{
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return;
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}
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const std::vector<QPointF>& points = m_pickTool->getPickedPoints();
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if (points.empty())
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{
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return;
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}
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QPointF mousePoint = pagePointToDevicePointMatrix.inverted().map(m_pickTool->getSnappedPoint());
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painter->setWorldMatrix(pagePointToDevicePointMatrix, true);
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QPen pen(m_strokeColor);
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QBrush brush(m_fillColor, Qt::SolidPattern);
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pen.setWidthF(m_penWidth);
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painter->setPen(qMove(pen));
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painter->setBrush(qMove(brush));
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painter->setRenderHint(QPainter::Antialiasing);
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QPointF point = points.front();
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qreal xMin = qMin(point.x(), mousePoint.x());
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qreal xMax = qMax(point.x(), mousePoint.x());
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qreal yMin = qMin(point.y(), mousePoint.y());
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qreal yMax = qMax(point.y(), mousePoint.y());
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qreal width = xMax - xMin;
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qreal height = yMax - yMin;
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if (!qFuzzyIsNull(width) && !qFuzzyIsNull(height))
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{
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QRectF rect(xMin, yMin, width, height);
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painter->drawEllipse(rect);
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}
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}
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void PDFCreateEllipseTool::onRectanglePicked(PDFInteger pageIndex, QRectF pageRectangle)
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{
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if (pageRectangle.isEmpty())
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{
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return;
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}
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PDFDocumentModifier modifier(getDocument());
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QString userName = PDFSysUtils::getUserName();
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PDFObjectReference page = getDocument()->getCatalog()->getPage(pageIndex)->getPageReference();
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PDFObjectReference annotation = modifier.getBuilder()->createAnnotationCircle(page, pageRectangle, m_penWidth, m_fillColor, m_strokeColor, userName, QString(), QString());
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modifier.getBuilder()->setAnnotationFillOpacity(annotation, m_fillColor.alphaF());
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modifier.getBuilder()->updateAnnotationAppearanceStreams(annotation);
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modifier.markAnnotationsChanged();
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if (modifier.finalize())
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{
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emit m_toolManager->documentModified(PDFModifiedDocument(modifier.getDocument(), nullptr, modifier.getFlags()));
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}
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setActive(false);
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}
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} // namespace pdf
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Reference in New Issue
Block a user