public GraphicEllipse(Point center, double lr, double sr, double rotateAngle, bool isClockwise = false)
{
if (lr <= 0 || sr <= 0)
{
throw new ArgumentOutOfRangeException();
}
_center = center;
_lr = lr;
_sr = sr;
_rotateAngle = rotateAngle;
_isReverse = isClockwise;
_length = GraphicHelper.ComputeArcLength(_lr, _sr, 0, Math.PI * 2, Math.PI / 4);
}
public GraphicBezier(int degree, IEnumerable <Point> controlPoints, bool isReverse = false)
{
if (controlPoints == null)
{
throw new ArgumentNullException();
}
_degree = degree;
_controlPoints = controlPoints.ToArray();
if (_controlPoints.Length < 2)
{
throw new ArgumentException();
}
_isReverse = isReverse;
_length = GraphicHelper.ComputeArcLength(_controlPoints, _degree, 0, 1, 0.1);
}
public GraphicEllipticalArc(Point center, double lr, double sr, double startAngle, double endAngle, double rotateAngle, bool isClockwise = false)
{
if (lr < 0 || sr < 0)
{
throw new ArgumentOutOfRangeException();
}
if (startAngle > endAngle)
{
throw new ArgumentOutOfRangeException();
}
if (endAngle - startAngle > 360)
{
throw new ArgumentException();
}
_center = center;
_lr = lr;
_sr = sr;
_startAngle = startAngle;
_endAngle = endAngle;
_rotateAngle = rotateAngle;
_isReverse = isClockwise;
_length = GraphicHelper.ComputeArcLength(_lr, _sr, Utilities.AngleToRadian(_startAngle), Utilities.AngleToRadian(_endAngle), Math.PI / 4);
}
private void _Init()
{
_length = GraphicHelper.ComputeArcLength(_degree, _knots, _controlPoints, _weights, _startParameter, _endParameter, 0.1);
_start = GraphicHelper.ComputePoint(_degree, _knots, _controlPoints, _weights, _startParameter);
_end = GraphicHelper.ComputePoint(_degree, _knots, _controlPoints, _weights, _endParameter);
}