コード例 #1
0
ファイル: graphicsScene.cpp プロジェクト: caiofct/gatsp
void GraphicsScene::drawEdge(QPointF &lastPos, QPointF &pos, QPoint &ids)
{
    QGraphicsLineItem *edge = new QGraphicsLineItem(lastPos.x() + (cidadeWidth / 2.0),lastPos.y() + (cidadeHeigth / 2.0), pos.x() + (cidadeWidth / 2.0),pos.y() + (cidadeHeigth / 2.0));
    edge->setPen(QPen(Qt::black, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
    edge->setData(1, 3);
    edge->setData(2, ids);
    this->addItem(edge);
}
コード例 #2
0
void GraphiItemCtrl::OnDrawEvent()
{

	switch(i_CurrentType)
	{
	case ITM_TYPE_LINE:
		{
			QGraphicsLineItem* pLine = o_ItemScene.addLine(o_PointA.x(),o_PointA.y(),
				o_PointB.x(), o_PointB.y(),o_CurrentPen);
			int iKey = GetNextItemKey();
			QLineF oLine = pLine->line();
			map_Lines.insert(iKey,oLine);
			map_LineItems.insert(iKey, pLine);
			pLine->setData(CUSTDATA_KEY,iKey);
			
			emit NotifyLineAdded(iKey,oLine);
			break;
		}
	case ITM_TYPE_RECTANGLE:
		{
			double dWidth = o_PointB.x() - o_PointA.x();
			double dHeight = o_PointB.y() - o_PointA.y();
			QGraphicsRectItem* pRect = o_ItemScene.addRect(o_PointA.x(),o_PointA.y(),
				dWidth ,dHeight,o_CurrentPen);
			int iKey = GetNextItemKey();
			QRectF oRect = pRect->rect();
			map_Rects.insert(iKey, oRect);
			pRect->setData(CUSTDATA_KEY,iKey);
			
			emit NotifyRectAdded(iKey,oRect);
		
			break;
		}
	case ITM_TYPE_ELIPSE:
		{
			double dWidth = o_PointB.x() - o_PointA.x();
			double dHeight = o_PointB.y() - o_PointA.y();
			QGraphicsEllipseItem* pElipse =	o_ItemScene.addEllipse(o_PointA.x(),o_PointA.y(),
				dWidth ,dHeight,o_CurrentPen);
			
			int iKey = GetNextItemKey();
			pElipse->setData(CUSTDATA_KEY, iKey);
			QRectF oRect = pElipse->rect();
			map_Elipses.insert(iKey,oRect);
			
			emit NotifyElipseAdded(iKey,oRect);
			break;
		}
	}



}
コード例 #3
0
RaceViewer::RaceViewer(const QList<GeoCoordinate> &racePoints, QWidget *parent)
    : QDialog(parent), mPoints(racePoints)
{
    const int ratio = 300 * 1000;
    scene = new QGraphicsScene(this);
    view  = new ResizableView(this);
    view->setScene(scene);
    view->scale(ratio, -ratio);

    QPointF prev = racePoints.at(0).projection();
    QPointF cur;
    int j = 1;

    while (j < mPoints.size())
    {
        cur = mPoints.at(j).projection();

        if (prev != cur)
        {
            QGraphicsLineItem* segment;
            segment = scene->addLine(prev.x(), prev.y(), cur.x(), cur.y());
            segment->setData(0, j - 1);
            prev = cur;
            j++;
        }
        else
        {
            mPoints.removeAt(j);
        }
    }

    qDebug() << j;

    QPointF first = racePoints.at(0).projection();
    marker = new ExtensibleEllipseItem;
    marker->setRect(first.x(), first.y(), 4 / 10000.0, 4 / 10000.0);
    marker->moveBy(-2 / 10000.0, -2 / 10000.0);

    marker->setFlag(QGraphicsItem::ItemIsMovable, true);
    marker->setBrush(QColor(255, 0, 0, 127));
    marker->setZValue(100);
    scene->addItem(marker);

    QPushButton* okButton = new QPushButton(tr("Ok"));
    connect(okButton, SIGNAL(clicked()), this, SLOT(accept()));

    QPushButton* cancelButton = new QPushButton(tr("Annuler"));
    connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));

    QHBoxLayout* viewerLayout = new QHBoxLayout;
    viewerLayout->addWidget(view);

    QHBoxLayout* buttonLayout = new QHBoxLayout;
    buttonLayout->addWidget(cancelButton);
    buttonLayout->addWidget(okButton);

    QVBoxLayout* topLayout = new QVBoxLayout;
    topLayout->addLayout(viewerLayout);
    topLayout->addLayout(buttonLayout);
    setLayout(topLayout);
}
コード例 #4
0
ファイル: stitcherview.cpp プロジェクト: FXIhub/hawk
void StitcherView::mouseReleaseEvent( QMouseEvent *  event){
  ImageView::mouseReleaseEvent(event);
  if(mode == Line && event->button() & Qt::LeftButton){
    setMode(Default);
    QGraphicsLineItem * line = new QGraphicsLineItem(QLineF(mapToScene(lineOrigin),mapToScene(lineEnd)));
    line->setData(0,QString("Helper"));
    line->setZValue(11);    
    QPen pen = line->pen();  
    pen.setColor(Qt::white);
    pen.setStyle(Qt::SolidLine);
    line->setPen(pen);
    graphicsScene->addItem(line);    
  }else if(mode == Circle && event->button() & Qt::LeftButton){
    setMode(Default);
    QPointF lineOriginF = mapToScene(lineOrigin);
    QPointF lineEndF = mapToScene(lineEnd);
    QPointF circleCenter = (lineOriginF+lineEndF)/2;    
    qreal circleRadius = sqrt((lineOriginF-lineEndF).x()* (lineOriginF-lineEndF).x()+
			      (lineOriginF-lineEndF).y()* (lineOriginF-lineEndF).y())/2;
    if(QApplication::keyboardModifiers() & Qt::ShiftModifier){
      circleCenter =  mapFromScene(QPointF(0,0));
      circleRadius = sqrt((circleCenter-lineEnd).x()* (circleCenter-lineEnd).x()+
			      (circleCenter-lineEnd).y()* (circleCenter-lineEnd).y());
      circleCenter =  QPointF(0,0);

    }
    QGraphicsEllipseItem * circle = new QGraphicsEllipseItem(QRect(circleCenter.x()-circleRadius,circleCenter.y()-circleRadius,circleRadius*2,circleRadius*2));
    circle->setData(0,QString("Helper"));
    circle->setZValue(11);    
    QPen pen = circle->pen();  
    pen.setColor(Qt::white);
    pen.setStyle(Qt::SolidLine);
    circle->setPen(pen);
    graphicsScene->addItem(circle);    
  }else if(mode == AddPoint && event->button() & Qt::LeftButton){
    QList<QGraphicsItem *> it = items(event->pos());
    for(int i = 0; i < it.size(); i++){
      if(ImageItem * item = qgraphicsitem_cast<ImageItem *>(it.at(i))){
	item->addControlPoint(item->mapFromScene(mapToScene(event->pos())));
      }
    }
  }else if(mode == DeletePoint && event->button() & Qt::LeftButton){
    QList<QGraphicsItem *> it = items(event->pos());
    for(int i = 0; i < it.size(); i++){
      if(ImageItem * item = qgraphicsitem_cast<ImageItem *>(it.at(i))){
	item->deleteControlPoint(item->mapFromScene(mapToScene(event->pos())));
      }
    }
  }else if(mode == DeleteGuide && event->button() & Qt::LeftButton){
    QList<QGraphicsItem *> it = items(event->pos());
    QPointF pos = mapToScene(event->pos());
    /* 10 px tolerance radius, delete the closest */
    for(int i = 0; i < it.size(); i++){
      if(QString("Helper") == it[i]->data(0)){
	QGraphicsEllipseItem * elipse = qgraphicsitem_cast<QGraphicsEllipseItem *>(it[i]);
	if(elipse){
	  // Check if click position close to the line
	  QPointF origin = elipse->rect().center();
	  qreal radius = elipse->rect().height()/2;
	  QPointF d = origin-pos;	  
	  if(abs(sqrt(d.x()*d.x()+d.y()*d.y())-radius) < 10){
	    delete elipse;
	  }
	}
	QGraphicsLineItem * line = qgraphicsitem_cast<QGraphicsLineItem *>(it[i]);
	if(line){
	  delete line;
	}

      }
    }
  }
}