public CircularRuler(PointF center, float radius)
: base()
{
// define the selection area
mSelectionArea = new Tools.Circle(center, radius);
// update the display area
updateDisplayDataAndMesurementImage();
}
/// <summary>
/// this parameter less constructor is requested for the serialization, but should not
/// be used by the program
/// </summary>
public CircularRuler()
{
// instanciate an empty area
mSelectionArea = new Tools.Circle(new PointF(0.0f, 0.0f), 0.0f);
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="model">the model from which copy</param>
public Circle(Circle model)
{
this.mCenter = model.Center;
this.mRadius = model.Radius;
}
