EllipseItem Class Reference

Brief description of class still missing. More...

#include <EllipseItem.h>

List of all members.

Public Member Functions
	EllipseItem (const QRectF &rect, double start, double span)
QList< QPointF >	nodes () const
	~EllipseItem ()

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Detailed Description

Brief description of class still missing.

Full description of class still missing

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Constructor & Destructor Documentation

EllipseItem::EllipseItem	(	const QRectF &	rect,
		double	start,
		double	span
	)

Description of constructor still missing

References QGpCoreTools::cos(), QGpCoreTools::sin(), and TRACE.

  : QGraphicsPathItem()
{
  TRACE;
  _rect=rect;
  _span=span;
  _start=start;
  QPainterPath path;
  double rx=rect.width()*0.5;
  double ry=rect.height()*0.5;
  path.moveTo(rect.center()+QPointF(rx*cos(start/180*M_PI), -ry*sin(start/180*M_PI)));
  path.arcTo(rect, start, span);
  setPath(path);
}

EllipseItem::~EllipseItem

(

)

Description of destructor still missing

References TRACE.

{
  TRACE;
}

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Member Function Documentation

QList< QPointF > EllipseItem::nodes

(

)

const

References QGpCoreTools::Angle::cos(), QGpCoreTools::Angle::setDegrees(), QGpCoreTools::Angle::sin(), and TRACE.

Referenced by EllipseItemDelegate::nodes().

{
  TRACE;
  QList<QPointF> nList;
  QPointF c=_rect.center();
  nList.append(c);
  if(_span<360) {
    qreal r;
    Angle phi;
    phi.setDegrees(_start);
    r=radius(phi, _rect.width(), _rect.height());
    nList.append(QPointF( c.x()+r*phi.cos(), c.y()-r*phi.sin()) );
    phi.setDegrees(_start+_span);
    r=radius(phi, _rect.width(), _rect.height());
    nList.append(QPointF( c.x()+r*phi.cos(), c.y()-r*phi.sin()) );
  }
  return nList;

}

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The documentation for this class was generated from the following files:

• fastmap/EllipseItem.h
• fastmap/EllipseItem.cpp