/// <summary>
/// Overrides <see cref="CADability.Curve2D.GeneralCurve2D.HitTest (ref BoundingRect, bool)"/>
/// </summary>
/// <param name="Rect"></param>
/// <param name="IncludeControlPoints"></param>
/// <returns></returns>
public override bool HitTest(ref BoundingRect Rect, bool IncludeControlPoints)
{
Angle majorang = majorAxis.Angle;
double radiusx = majorAxis.Length;
double radiusy = minorAxis.Length;
ClipRect clr = new ClipRect(ref Rect);
if (clr.EllipseArcHitTest(center, radiusx, radiusy, majorang, 0, right, top))
{
return(true);
}
if (clr.EllipseArcHitTest(center, radiusx, radiusy, majorang, 1, top, left))
{
return(true);
}
if (clr.EllipseArcHitTest(center, radiusx, radiusy, majorang, 2, left, bottom))
{
return(true);
}
if (clr.EllipseArcHitTest(center, radiusx, radiusy, majorang, 3, bottom, right))
{
return(true);
}
return(false);
}
/// <summary>
/// Overrides <see cref="CADability.Curve2D.GeneralCurve2D.HitTest (ref BoundingRect, bool)"/>
/// </summary>
/// <param name="Rect"></param>
/// <param name="IncludeControlPoints"></param>
/// <returns></returns>
public override bool HitTest(ref BoundingRect Rect, bool IncludeControlPoints)
{
Angle majorang = majorAxis.Angle;
double radiusx = majorAxis.Length;
double radiusy = minorAxis.Length;
ClipRect clr = new ClipRect(ref Rect);
if (clr.Contains(startPoint))
{
return(true);
}
if (clr.Contains(EndPoint))
{
return(true);
}
for (int q = 0; q < 4; ++q)
{
GeoPoint2D ps;
GeoPoint2D pe;
switch (q)
{
default: // nur wg. Compiler
case 0:
ps = right;
pe = top;
break;
case 1:
ps = top;
pe = left;
break;
case 2:
ps = left;
pe = bottom;
break;
case 3:
ps = bottom;
pe = right;
break;
}
if (Sweep > 0.0)
{
if (crossingZero)
{
if (q < startQuad && q > endQuad)
{
continue;
}
}
else
{
if (q < startQuad || q > endQuad)
{
continue;
}
}
if (crossingZero && startQuad == q && endQuad == q)
{ // zwei Tests nötig
GeoPoint2D p = endPoint;
if (clr.EllipseArcHitTest(center, radiusx, radiusy, majorang, q, ps, p))
{
return(true);
}
p = startPoint;
if (clr.EllipseArcHitTest(center, radiusx, radiusy, majorang, q, p, pe))
{
return(true);
}
}
else
{
if (startQuad == q)
{
ps = startPoint;
}
if (endQuad == q)
{
pe = endPoint;
}
if (clr.EllipseArcHitTest(center, radiusx, radiusy, majorang, q, ps, pe))
{
return(true);
}
}
}
else
{
if (crossingZero)
{
if (q < endQuad && q > startQuad)
{
continue;
}
}
else
{
if (q < endQuad || q > startQuad)
{
continue;
}
}
if (crossingZero && startQuad == q && endQuad == q)
{ // zwei Tests nötig
GeoPoint2D p = startPoint;
if (clr.EllipseArcHitTest(center, radiusx, radiusy, majorang, q, ps, p))
{
return(true);
}
p = endPoint;
if (clr.EllipseArcHitTest(center, radiusx, radiusy, majorang, q, p, pe))
{
return(true);
}
}
else
{
if (startQuad == q)
{
pe = startPoint;
}
if (endQuad == q)
{
ps = endPoint;
}
if (clr.EllipseArcHitTest(center, radiusx, radiusy, majorang, q, ps, pe))
{
return(true);
}
}
}
}
return(false);
}