bool QwtPlotPicker::end( bool ok )
{
    ok = QwtPicker::end( ok );
    if ( !ok )
        return false;

    QwtPlot *plot = QwtPlotPicker::plot();
    if ( !plot )
        return false;

    const QPolygon points = selection();
    if ( points.count() == 0 )
        return false;

    QwtPickerMachine::SelectionType selectionType =
        QwtPickerMachine::NoSelection;

    if ( stateMachine() )
        selectionType = stateMachine()->selectionType();

    switch ( selectionType )
    {
        case QwtPickerMachine::PointSelection:
        {
            const QPointF pos = invTransform( points.first() );
            Q_EMIT selected( pos );
            break;
        }
        case QwtPickerMachine::RectSelection:
        {
            if ( points.count() >= 2 )
            {
                const QPoint p1 = points.first();
                const QPoint p2 = points.last();

                const QRect rect = QRect( p1, p2 ).normalized();
                Q_EMIT selected( invTransform( rect ) );
            }
            break;
        }
        case QwtPickerMachine::PolygonSelection:
        {
            QVector<QPointF> dpa( points.count() );
            for ( int i = 0; i < points.count(); i++ )
                dpa[i] = invTransform( points[i] );

            Q_EMIT selected( dpa );
        }
        default:
            break;
    }

    return true;
}
bool QwtPlotZoomer::accept( QPolygon &pa ) const
{
    if ( pa.count() < 2 )
        return false;

    QRect rect = QRect( pa.first(), pa.last() );
    rect = rect.normalized();

    const int minSize = 2;
    if ( rect.width() < minSize && rect.height() < minSize )
        return false;

    const int minZoomSize = 11;

    const QPoint center = rect.center();
    rect.setSize( rect.size().expandedTo( QSize( minZoomSize, minZoomSize ) ) );
    rect.moveCenter( center );

    pa.resize( 2 );
    pa[0] = rect.topLeft();
    pa[1] = rect.bottomRight();

    return true;
}
Example #3
0
/**
 * Overrides drawing of subentities. This is only ever called for solid fills.
 */
void RS_Hatch::draw(RS_Painter* painter, RS_GraphicView* view, double& /*patternOffset*/) {

    if (!data.solid) {
		for(auto se: entities){

            view->drawEntity(painter,se);
        }
        return;
    }

    //area of solid fill. Use polygon approximation, except trivial cases
    QPainterPath path;
    QList<QPolygon> paClosed;
    QPolygon pa;
//    QPolygon jp;   // jump points

    // loops:
    if (needOptimization==true) {
		for(auto l: entities){

            if (l->rtti()==RS2::EntityContainer) {
                RS_EntityContainer* loop = (RS_EntityContainer*)l;

                loop->optimizeContours();
            }
        }
        needOptimization = false;
    }

    // loops:
	for(auto l: entities){
        l->setLayer(getLayer());

        if (l->rtti()==RS2::EntityContainer) {
            RS_EntityContainer* loop = (RS_EntityContainer*)l;

            // edges:
			for(auto e: *loop){

                e->setLayer(getLayer());
                switch (e->rtti()) {
                case RS2::EntityLine: {
                    QPoint pt1(RS_Math::round(view->toGuiX(e->getStartpoint().x)),
                               RS_Math::round(view->toGuiY(e->getStartpoint().y)));
                    QPoint pt2(RS_Math::round(view->toGuiX(e->getEndpoint().x)),
                               RS_Math::round(view->toGuiY(e->getEndpoint().y)));

//                    if (! (pa.size()>0 && (pa.last() - pt1).manhattanLength()<=2)) {
//                        jp<<pt1;
//                    }
                    if(pa.size() && (pa.last()-pt1).manhattanLength()>=1)
                        pa<<pt1;
                    pa<<pt2;
                }
                    break;

                case RS2::EntityArc: {
//                    QPoint pt1(RS_Math::round(view->toGuiX(e->getStartpoint().x)),
//                               RS_Math::round(view->toGuiY(e->getStartpoint().y)));
//                    if (! (pa.size()>0 && (pa.last() - pt1).manhattanLength()<=2)) {
//                        jp<<pt1;
//                    }

                    QPolygon pa2;
                    RS_Arc* arc=static_cast<RS_Arc*>(e);

                    painter->createArc(pa2, view->toGui(arc->getCenter()),
                                       view->toGuiDX(arc->getRadius())
                                       ,arc->getAngle1(),arc->getAngle2(),arc->isReversed());
                    if(pa.size() &&pa2.size()&&(pa.last()-pa2.first()).manhattanLength()<1)
                        pa2.remove(0,1);
                    pa<<pa2;

                }
                    break;

                case RS2::EntityCircle: {
                    RS_Circle* circle = static_cast<RS_Circle*>(e);
//                    QPoint pt1(RS_Math::round(view->toGuiX(circle->getCenter().x+circle->getRadius())),
//                               RS_Math::round(view->toGuiY(circle->getCenter().y)));
//                    if (! (pa.size()>0 && (pa.last() - pt1).manhattanLength()<=2)) {
//                        jp<<pt1;
//                    }

                    RS_Vector c=view->toGui(circle->getCenter());
                    double r=view->toGuiDX(circle->getRadius());
#if QT_VERSION >= 0x040400
                    path.addEllipse(QPoint(c.x,c.y),r,r);
#else
                    path.addEllipse(c.x - r, c.y + r, 2.*r, 2.*r);
//                    QPolygon pa2;
//                    painter->createArc(pa2, view->toGui(circle->getCenter()),
//                                       view->toGuiDX(circle->getRadius()),
//                                       0.0,
//                                       2*M_PI,
//                                       false);
//                    pa<<pa2;
#endif
                }
                    break;
                case RS2::EntityEllipse:
                if(static_cast<RS_Ellipse*>(e)->isArc()) {
                    QPolygon pa2;
                    auto ellipse=static_cast<RS_Ellipse*>(e);

                    painter->createEllipse(pa2,
                                           view->toGui(ellipse->getCenter()),
                                           view->toGuiDX(ellipse->getMajorRadius()),
                                           view->toGuiDX(ellipse->getMinorRadius()),
                                           ellipse->getAngle()
                                           ,ellipse->getAngle1(),ellipse->getAngle2(),ellipse->isReversed()
                                           );
//                    qDebug()<<"ellipse: "<<ellipse->getCenter().x<<","<<ellipse->getCenter().y;
//                    qDebug()<<"ellipse: pa2.size()="<<pa2.size();
//                    qDebug()<<"ellipse: pa2="<<pa2;
                    if(pa.size() && pa2.size()&&(pa.last()-pa2.first()).manhattanLength()<1)
                        pa2.remove(0,1);
                    pa<<pa2;
                }else{
                    QPolygon pa2;
                    auto ellipse=static_cast<RS_Ellipse*>(e);
                    painter->createEllipse(pa2,
                                           view->toGui(ellipse->getCenter()),
                                           view->toGuiDX(ellipse->getMajorRadius()),
                                           view->toGuiDX(ellipse->getMinorRadius()),
                                           ellipse->getAngle(),
                                           ellipse->getAngle1(), ellipse->getAngle2(),
                                           ellipse->isReversed()
                                           );
                    path.addPolygon(pa2);
                }
                    break;
                default:
                    break;
                }
//                qDebug()<<"pa="<<pa;
                if( pa.size()>2 && pa.first() == pa.last()) {
                    paClosed<<pa;
                    pa.clear();
                }

            }

        }
    }
    if(pa.size()>2){
        pa<<pa.first();
        paClosed<<pa;
    }

    for(auto& p:paClosed){
        path.addPolygon(p);
    }

    //bug#474, restore brush after solid fill
    const QBrush brush(painter->brush());
    const RS_Pen pen=painter->getPen();
    painter->setBrush(pen.getColor());
    painter->disablePen();
    painter->drawPath(path);
    painter->setBrush(brush);
    painter->setPen(pen);


}
Example #4
0
bool DataManager::readDetectionAreaFile(bool clipToCamera) {
    QFile areaFile(m_config->detectionAreaFile());
    QDomDocument doc;
    QDomElement root;
    int x = 0;
    int y = 0;
    int cameraId = m_config->cameraIndex();
    int cameraWidth = m_config->cameraWidth();
    int cameraHeight = m_config->cameraHeight();
    QPolygon cameraRectangle;
    bool polygonsClipped = false;
    bool polygonWasClosed = false;

    if(!areaFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
        QString errorMsg = tr("Failed to open the detection area file %1. Please create it in Settings dialog or manually.").arg(areaFile.fileName());
        emit messageBroadcasted(errorMsg);
        return false;
    }

    if(!doc.setContent(&areaFile)) {
        QString errorMsg = tr("Error reading the detection area file %1").arg(areaFile.fileName());
        areaFile.close();
        emit messageBroadcasted(errorMsg);
        return false;
    }

    areaFile.close();
    root = doc.documentElement();
    if (root.nodeName() != "detectionarealist") {
        QString errorMsg = tr("Expected <detectionarealist> tag in detection area file but not found");
        emit messageBroadcasted(errorMsg);
        return false;
    }
    QDomNodeList areaList = root.childNodes();

    if (areaList.count() > 1) {
        QString errorMsg = tr("More than one detection areas defined, combining all together");
        emit messageBroadcasted(errorMsg);
    }

    for (int i = 0; i < areaList.count(); i++) {
        QDomNode area = areaList.at(i);
        QDomNodeList areaNodes = area.childNodes();

        if (area.nodeName() != "detectionarea") {
            QString errorMsg = tr("Expected <detectionarea> tag in detection area file but not found.");
            emit messageBroadcasted(errorMsg);
            return false;
        }

        QDomNodeList cameraList = area.toElement().elementsByTagName("camera");

        if (cameraList.count() != 1) {
            QString errorMsg = tr("Expected single <camera> tag in detection area. Assuming camera index 0.");
            emit messageBroadcasted(errorMsg);
        }
        for (int c = 0; c < cameraList.count(); c++) {
            QDomElement cameraElement = cameraList.at(c).toElement();
            cameraId = cameraElement.attribute("id").toInt();
            cameraWidth = cameraElement.attribute("width").toInt();
            cameraHeight = cameraElement.attribute("height").toInt();
            if (cameraId == m_config->cameraIndex()) {
                break;
            }
        }

        cameraRectangle << QPoint(0, 0) << QPoint(0, cameraHeight - 1)
                        << QPoint(cameraWidth - 1, cameraHeight - 1) << QPoint(cameraWidth - 1, 0);

        while (!m_detectionAreaPolygons.isEmpty()) {
            QPolygon* polygon = m_detectionAreaPolygons.takeLast();
            delete polygon;
        }

        for (int a = 0; a < areaNodes.count(); a++) {
            QDomNode areaSubNode = areaNodes.at(a);

            if (areaSubNode.nodeName() == "polygon") {
                QDomNodeList pointList = areaSubNode.childNodes();
                QPolygon* polygon = new QPolygon();

                for (int p = 0; p < pointList.count(); p++) {
                    QDomElement pointElement = pointList.at(p).toElement();
                    if (pointElement.nodeName() == "point") {
                        x = pointElement.attribute("x").toInt();
                        y = pointElement.attribute("y").toInt();
                        polygon->append(QPoint(x, y));
                    }
                }
                if (clipToCamera && polygon->size() &&
                    !cameraRectangle.boundingRect().contains(polygon->boundingRect()))
                {
                    if (polygon->first() == polygon->last()) {
                        polygonWasClosed = true;
                    }
                    *polygon = polygon->intersected(cameraRectangle);
                    polygonsClipped = true;
                    if (!polygonWasClosed) {
                        // intersected() treats polygon as implicitly closed
                        // so extra node is added: remove it
                        if (polygon->first() == polygon->last()) {
                            polygon->removeLast();
                        }
                    }
                }
                m_detectionAreaPolygons.append(polygon);
            }
        }
    }
    if (polygonsClipped) {
        QString warningMsg = tr("Detection area was clipped in order to fit the camera size.");
        emit messageBroadcasted(warningMsg);
    }
    return true;
}
Example #5
0
/**
 * Overrides drawing of subentities. This is only ever called for solid fills.
 */
void RS_Hatch::draw(RS_Painter* painter, RS_GraphicView* view, double& /*patternOffset*/) {

    if (!data.solid) {
        for (RS_Entity* se=firstEntity();
                se!=NULL;
                se = nextEntity()) {

            view->drawEntity(painter,se);
        }
        return;
    }

    QPainterPath path;
    QList<QPolygon> paClosed;
    QPolygon pa;
//    QPolygon jp;   // jump points

    // loops:
    if (needOptimization==true) {
        for (RS_Entity* l=firstEntity(RS2::ResolveNone);
                l!=NULL;
                l=nextEntity(RS2::ResolveNone)) {

            if (l->rtti()==RS2::EntityContainer) {
                RS_EntityContainer* loop = (RS_EntityContainer*)l;

                loop->optimizeContours();
            }
        }
        needOptimization = false;
    }

    // loops:
    for (RS_Entity* l=firstEntity(RS2::ResolveNone);
         l!=NULL;
         l=nextEntity(RS2::ResolveNone)) {

        l->setLayer(getLayer());

        if (l->rtti()==RS2::EntityContainer) {
            RS_EntityContainer* loop = (RS_EntityContainer*)l;

            // edges:
            for (RS_Entity* e=loop->firstEntity(RS2::ResolveNone);
                 e!=NULL;
                 e=loop->nextEntity(RS2::ResolveNone)) {

                e->setLayer(getLayer());
                switch (e->rtti()) {
                case RS2::EntityLine: {
                    QPoint pt1(RS_Math::round(view->toGuiX(e->getStartpoint().x)),
                               RS_Math::round(view->toGuiY(e->getStartpoint().y)));
                    QPoint pt2(RS_Math::round(view->toGuiX(e->getEndpoint().x)),
                               RS_Math::round(view->toGuiY(e->getEndpoint().y)));

//                    if (! (pa.size()>0 && (pa.last() - pt1).manhattanLength()<=2)) {
//                        jp<<pt1;
//                    }

                    pa<<pt1<<pt2;
                }
                    break;

                case RS2::EntityArc: {
//                    QPoint pt1(RS_Math::round(view->toGuiX(e->getStartpoint().x)),
//                               RS_Math::round(view->toGuiY(e->getStartpoint().y)));
//                    if (! (pa.size()>0 && (pa.last() - pt1).manhattanLength()<=2)) {
//                        jp<<pt1;
//                    }

                    QPolygon pa2;
                    RS_Arc* arc=static_cast<RS_Arc*>(e);
                    painter->createArc(pa2, view->toGui(arc->getCenter()),
                                       view->toGuiDX(arc->getRadius()),
                                       arc->getAngle1(),
                                       arc->getAngle2(),
                                       arc->isReversed());
                    pa<<pa2;

                }
                    break;

                case RS2::EntityCircle: {
                    RS_Circle* circle = static_cast<RS_Circle*>(e);
//                    QPoint pt1(RS_Math::round(view->toGuiX(circle->getCenter().x+circle->getRadius())),
//                               RS_Math::round(view->toGuiY(circle->getCenter().y)));
//                    if (! (pa.size()>0 && (pa.last() - pt1).manhattanLength()<=2)) {
//                        jp<<pt1;
//                    }

                    RS_Vector c=view->toGui(circle->getCenter());
                    double r=view->toGuiDX(circle->getRadius());
#if QT_VERSION >= 0x040400
                    path.addEllipse(QPoint(c.x,c.y),r,r);
#else
                    path.addEllipse(c.x - r, c.y + r, 2.*r, 2.*r);
//                    QPolygon pa2;
//                    painter->createArc(pa2, view->toGui(circle->getCenter()),
//                                       view->toGuiDX(circle->getRadius()),
//                                       0.0,
//                                       2*M_PI,
//                                       false);
//                    pa<<pa2;
#endif
                }
                    break;
                case RS2::EntityEllipse:
                if(static_cast<RS_Ellipse*>(e)->isArc()) {
                    QPolygon pa2;
                    auto ellipse=static_cast<RS_Ellipse*>(e);
                    painter->createEllipse(pa2,
                                           view->toGui(ellipse->getCenter()),
                                           view->toGuiDX(ellipse->getMajorRadius()),
                                           view->toGuiDX(ellipse->getMinorRadius()),
                                           ellipse->getAngle(),
                                           ellipse->getAngle1(), ellipse->getAngle2(),
                                           ellipse->isReversed()
                                           );
                    pa<<pa2;
                }else{
                    QPolygon pa2;
                    auto ellipse=static_cast<RS_Ellipse*>(e);
                    painter->createEllipse(pa2,
                                           view->toGui(ellipse->getCenter()),
                                           view->toGuiDX(ellipse->getMajorRadius()),
                                           view->toGuiDX(ellipse->getMinorRadius()),
                                           ellipse->getAngle(),
                                           ellipse->getAngle1(), ellipse->getAngle2(),
                                           ellipse->isReversed()
                                           );
                    path.addPolygon(pa2);
                }
                    break;
                default:
                    break;
                }
                if( pa.size()>2 && pa.first() == pa.last()) {
                    paClosed<<pa;
                    pa.clear();
                }

            }

        }
    }
    if(pa.size()>2){
        pa<<pa.first();
        paClosed<<pa;
    }
    for(int i=0;i<paClosed.size();i++){
        path.addPolygon(paClosed.at(i));
    }
        painter->setBrush(painter->getPen().getColor());
        painter->disablePen();
        painter->drawPath(path);

//    pa<<jp;

//    painter->setBrush(painter->getPen().getColor());
//    painter->disablePen();
//    painter->drawPolygon(pa);

}
Example #6
0
bool RectPicker::end(bool ok)
{
	
	if (!ok)//更改代码处:,正常结束后,并不停止。只有reset时候,end(false)停止选择,重置状态机
		QwtPicker::end(ok);
	if (!ok)
		return false;

	QwtPlot *plot = QwtPlotPicker::plot();
	if (!plot)
		return false;

	const QPolygon points = selection();
	if (points.count() == 0)
		return false;

	QwtPickerMachine::SelectionType selectionType =
		QwtPickerMachine::NoSelection;

	if (stateMachine())
		selectionType = stateMachine()->selectionType();

	switch (selectionType)
	{
	case QwtPickerMachine::PointSelection:
	{
												const QPointF pos = invTransform(points.first());
												Q_EMIT selected(pos);
												break;
	}
	case QwtPickerMachine::RectSelection:
	{
											if (points.count() >= 2)
											{
												const QPoint p1 = points.first();
												const QPoint p2 = points.last();
												QPointF pF1 = invTransform(p1);
												QPointF pF2 = invTransform(p2);
												const QRect rect = QRect(p1, p2).normalized();
												const QRect rect11 = QRect(p1, p2);
												QPoint pp1 = rect.topLeft();
												QPoint pp2 = rect.bottomRight();
												//const QRect rect = QRect(p1, p2);
												QRectF rect1 = invTransform(rect);
												QPointF topLeft = rect1.topLeft();
												QPointF bottomRight = rect1.bottomRight();
												Q_EMIT selected(invTransform(rect));
											}
											break;
	}
	case QwtPickerMachine::PolygonSelection:
	{
												QVector<QPointF> dpa(points.count());
												for (int i = 0; i < points.count(); i++)
													dpa[i] = invTransform(points[i]);

												Q_EMIT selected(dpa);
	}
	default:
		break;
	}
	return ok;
}
Example #7
0
void QwtPicker::drawRubberBand( QPainter *painter ) const
{
    if ( !isActive() || rubberBand() == NoRubberBand ||
        rubberBandPen().style() == Qt::NoPen )
    {
        return;
    }

    const QPolygon pa = adjustedPoints( d_data->pickedPoints );

    QwtPickerMachine::SelectionType selectionType =
        QwtPickerMachine::NoSelection;

    if ( d_data->stateMachine )
        selectionType = d_data->stateMachine->selectionType();

    switch ( selectionType )
    {
        case QwtPickerMachine::NoSelection:
        case QwtPickerMachine::PointSelection:
        {
            if ( pa.count() < 1 )
                return;

            const QPoint pos = pa[0];

            const QRect pRect = pickArea().boundingRect().toRect();
            switch ( rubberBand() )
            {
                case VLineRubberBand:
                {
                    QwtPainter::drawLine( painter, pos.x(),
                        pRect.top(), pos.x(), pRect.bottom() );
                    break;
                }
                case HLineRubberBand:
                {
                    QwtPainter::drawLine( painter, pRect.left(),
                        pos.y(), pRect.right(), pos.y() );
                    break;
                }
                case CrossRubberBand:
                {
                    QwtPainter::drawLine( painter, pos.x(),
                        pRect.top(), pos.x(), pRect.bottom() );
                    QwtPainter::drawLine( painter, pRect.left(),
                        pos.y(), pRect.right(), pos.y() );
                    break;
                }
                default:
                    break;
            }
            break;
        }
        case QwtPickerMachine::RectSelection:
        {
            if ( pa.count() < 2 )
                return;

            const QRect rect = QRect( pa.first(), pa.last() ).normalized();
            switch ( rubberBand() )
            {
                case EllipseRubberBand:
                {
                    QwtPainter::drawEllipse( painter, rect );
                    break;
                }
                case RectRubberBand:
                {
                    QwtPainter::drawRect( painter, rect );
                    break;
                }
                default:
                    break;
            }
            break;
        }
        case QwtPickerMachine::PolygonSelection:
        {
            if ( rubberBand() == PolygonRubberBand )
                painter->drawPolyline( pa );
            break;
        }
        default:
            break;
    }
}
Example #8
0
/*!
  Calculate the mask for the rubber band overlay

  \return Region for the mask
  \sa QWidget::setMask()
 */
QRegion QwtPicker::rubberBandMask() const
{
    QRegion mask;

    if ( !isActive() || rubberBand() == NoRubberBand ||
        rubberBandPen().style() == Qt::NoPen )
    {
        return mask;
    }

    const QPolygon pa = adjustedPoints( d_data->pickedPoints );

    QwtPickerMachine::SelectionType selectionType =
        QwtPickerMachine::NoSelection;

    if ( d_data->stateMachine )
        selectionType = d_data->stateMachine->selectionType();

    switch ( selectionType )
    {
        case QwtPickerMachine::NoSelection:
        case QwtPickerMachine::PointSelection:
        {
            if ( pa.count() < 1 )
                return mask;

            const QPoint pos = pa[0];
            const int pw = rubberBandPen().width();

            const QRect pRect = pickArea().boundingRect().toRect();
            switch ( rubberBand() )
            {
                case VLineRubberBand:
                {
                    mask += qwtMaskRegion( QLine( pos.x(), pRect.top(),
                        pos.x(), pRect.bottom() ), pw );
                    break;
                }
                case HLineRubberBand:
                {
                    mask += qwtMaskRegion( QLine( pRect.left(), pos.y(),
                        pRect.right(), pos.y() ), pw );
                    break;
                }
                case CrossRubberBand:
                {
                    mask += qwtMaskRegion( QLine( pos.x(), pRect.top(),
                        pos.x(), pRect.bottom() ), pw );
                    mask += qwtMaskRegion( QLine( pRect.left(), pos.y(),
                        pRect.right(), pos.y() ), pw );
                    break;
                }
                default:
                    break;
            }
            break;
        }
        case QwtPickerMachine::RectSelection:
        {
            if ( pa.count() < 2 )
                return mask;

            const int pw = rubberBandPen().width();

            switch ( rubberBand() )
            {
                case RectRubberBand:
                {
                    const QRect r = QRect( pa.first(), pa.last() );
                    mask = qwtMaskRegion( r.normalized(), pw );
                    break;
                }
                case EllipseRubberBand:
                {
                    const QRect r = QRect( pa.first(), pa.last() );
                    mask += r.adjusted( -pw, -pw, pw, pw );
                    break;
                }
                default:
                    break;
            }
            break;
        }
        case QwtPickerMachine::PolygonSelection:
        {
            const int pw = rubberBandPen().width();
            if ( pw <= 1 )
            {
                // because of the join style we better
                // return a mask for a pen width <= 1 only

                const int off = 2 * pw;
                const QRect r = pa.boundingRect();
                mask += r.adjusted( -off, -off, off, off );
            }
            break;
        }
        default:
            break;
    }

    return mask;
}