C++ (Cpp) circleRect Examples

Example #1

File: KiviatView.cpp Project: Federico2014/edg4x-rose

void KiviatView::KiviatData::redraw()
{
   qDeleteAll(cornerPoints);
   cornerPoints.clear();
   cornerPoints.resize(data.size());
   cornerPoints.fill(NULL);


   QPolygonF polygonF;
   for(int i=0; i< view->getAxisCount(); i++)
   {
      Q_ASSERT(data[i]>=0 && data[i] <=1.0);

      QPointF curPoint = view->calcPosition(i,data[i]);
      polygonF << curPoint;

      int rad=view->cornerPointRadius();
      QRectF circleRect(0,0,rad,rad);
      circleRect.moveCenter(curPoint);

      cornerPoints[i]= new QGraphicsEllipseItem (circleRect,polygon);
      cornerPoints[i]->setBrush(QBrush(Qt::black));
   }
   polygon->setPolygon(polygonF);
   polygon->setBrush(QBrush(polygonColor));

   /*
   //Shadow:
   polygon.translate(6,6);
   QGraphicsPolygonItem * shadow =  scene.addPolygon(polygon);
   shadow->setBrush(QBrush(QColor(0,0,0,100)));
   polygon.translate(-6,-6);
   */
}

Example #2

File: multicolorledwidget.cpp Project: diegowald/b6p

void MulticolorLedWidget::paintEvent(QPaintEvent *paintEvt)
{
    QLOG_TRACE_FN();
    QPainter painter(this);
    // Paint background
    painter.drawRect(rect());
    painter.fillRect(rect(), m_BackgroundColor);

    // paint led
    QRect circleRect(0, 0, 18, 18);
    circleRect.moveCenter(rect().center());
    painter.setBrush(QBrush(m_LedColor));
    painter.drawEllipse(circleRect);
}

Example #3

File: audioobject.cpp Project: saeschdivara/Qt-Grantlee

void AudioObject::drawObject( QPainter* painter, const QRectF& rect, QTextDocument* doc, int posInDocument, const QTextFormat& format )
{
  painter->setBrush( Qt::darkGreen );
  painter->drawRect( rect );

  painter->setBrush( Qt::white );
  QRect circleRect(rect.left() + 2.0, rect.top() + 2.0, rect.width() - 4.0, rect.height() - 4.0 );
  painter->drawEllipse( circleRect );

  painter->setBrush( Qt::green );
  const QPointF points[3] = {
     QPointF( circleRect.left() + 7.0, circleRect.top() + 4.0 ),
     QPointF( circleRect.right() - 4.0, circleRect.top() + 4.0 + ( ( circleRect.height() - 8.0) / 2.0 ) ),
     QPointF( circleRect.left() + 7.0, circleRect.bottom() - 4.0 )
  };
  painter->drawPolygon(points, 3);
}

Example #4

File: qgsarrowsymbollayer.cpp Project: a11656358/QGIS

void pathArcTo( QPainterPath& path, const QPointF& circleCenter, qreal circleRadius, qreal angle_o, qreal angle_d, int direction )
{
  QRectF circleRect( circleCenter - QPointF( circleRadius, circleRadius ), circleCenter + QPointF( circleRadius, circleRadius ) );
  if ( direction == 1 )
  {
    if ( angle_o < angle_d )
      path.arcTo( circleRect, angle_o / M_PI * 180.0, ( angle_d - angle_o ) / M_PI * 180.0 );
    else
      path.arcTo( circleRect, angle_o / M_PI * 180.0, 360.0 - ( angle_o - angle_d ) / M_PI * 180.0 );
  }
  else
  {
    if ( angle_o < angle_d )
      path.arcTo( circleRect, angle_o / M_PI * 180.0, - ( 360.0 - ( angle_d - angle_o ) / M_PI * 180.0 ) );
    else
      path.arcTo( circleRect, angle_o / M_PI * 180.0, ( angle_d - angle_o ) / M_PI * 180.0 );
  }
}

Example #5

File: KiviatView.cpp Project: Federico2014/edg4x-rose

void KiviatView::KiviatData::changeDataPoint(int axisNr, float newValue)
{
   data[axisNr]=newValue;

   QPointF newPoint = view->calcPosition(axisNr,newValue);


   //Adjust corner point
   int rad=view->cornerPointRadius();
   QRectF circleRect(0,0,rad,rad);
   circleRect.moveCenter(newPoint);
   cornerPoints[axisNr]->setRect(circleRect);

   //Adjust polygon
   QPolygonF fPoly = polygon->polygon();
   fPoly[axisNr]=newPoint;
   polygon->setPolygon(fPoly);
}