/// <summary>
/// Returns the coordinates and type of the current path segment in
/// the iteration.
/// The return value is the path segment type:
/// SEG_MOVETO, SEG_LINETO, SEG_QUADTO, SEG_CUBICTO, or SEG_CLOSE.
/// A float array of length 6 must be passed in and may be used to
/// store the coordinates of the point(s).
/// Each point is stored as a pair of float x,y coordinates.
/// SEG_MOVETO and SEG_LINETO types will return one point,
/// SEG_QUADTO will return two points,
/// SEG_CUBICTO will return 3 points
/// and SEG_CLOSE will not return any points. </summary>
/// <seealso cref= #SEG_MOVETO </seealso>
/// <seealso cref= #SEG_LINETO </seealso>
/// <seealso cref= #SEG_QUADTO </seealso>
/// <seealso cref= #SEG_CUBICTO </seealso>
/// <seealso cref= #SEG_CLOSE </seealso>
public virtual int CurrentSegment(float[] coords)
{
if (Done)
{
throw new NoSuchElementException("roundrect iterator out of bounds");
}
double[] ctrls = Ctrlpts[Index];
int nc = 0;
for (int i = 0; i < ctrls.Length; i += 4)
{
coords[nc++] = (float)(x + ctrls[i + 0] * w + ctrls[i + 1] * Aw);
coords[nc++] = (float)(y + ctrls[i + 2] * h + ctrls[i + 3] * Ah);
}
if (Affine != null)
{
Affine.Transform(coords, 0, coords, 0, nc / 2);
}
return(Types[Index]);
}
/// <summary>
/// Returns the coordinates and type of the current path segment in
/// the iteration.
/// The return value is the path segment type:
/// SEG_MOVETO, SEG_LINETO, SEG_QUADTO, SEG_CUBICTO, or SEG_CLOSE.
/// A float array of length 6 must be passed in and may be used to
/// store the coordinates of the point(s).
/// Each point is stored as a pair of float x,y coordinates.
/// SEG_MOVETO and SEG_LINETO types will return one point,
/// SEG_QUADTO will return two points,
/// SEG_CUBICTO will return 3 points
/// and SEG_CLOSE will not return any points. </summary>
/// <seealso cref= #SEG_MOVETO </seealso>
/// <seealso cref= #SEG_LINETO </seealso>
/// <seealso cref= #SEG_QUADTO </seealso>
/// <seealso cref= #SEG_CUBICTO </seealso>
/// <seealso cref= #SEG_CLOSE </seealso>
public virtual int CurrentSegment(float[] coords)
{
if (Done)
{
throw new NoSuchElementException("arc iterator out of bounds");
}
double angle = AngStRad;
if (Index == 0)
{
coords[0] = (float)(x + System.Math.Cos(angle) * w);
coords[1] = (float)(y + System.Math.Sin(angle) * h);
if (Affine != null)
{
Affine.Transform(coords, 0, coords, 0, 1);
}
return(PathIterator_Fields.SEG_MOVETO);
}
if (Index > ArcSegs)
{
if (Index == ArcSegs + LineSegs)
{
return(PathIterator_Fields.SEG_CLOSE);
}
coords[0] = (float)x;
coords[1] = (float)y;
if (Affine != null)
{
Affine.Transform(coords, 0, coords, 0, 1);
}
return(PathIterator_Fields.SEG_LINETO);
}
angle += Increment * (Index - 1);
double relx = System.Math.Cos(angle);
double rely = System.Math.Sin(angle);
coords[0] = (float)(x + (relx - Cv * rely) * w);
coords[1] = (float)(y + (rely + Cv * relx) * h);
angle += Increment;
relx = System.Math.Cos(angle);
rely = System.Math.Sin(angle);
coords[2] = (float)(x + (relx + Cv * rely) * w);
coords[3] = (float)(y + (rely - Cv * relx) * h);
coords[4] = (float)(x + relx * w);
coords[5] = (float)(y + rely * h);
if (Affine != null)
{
Affine.Transform(coords, 0, coords, 0, 3);
}
return(PathIterator_Fields.SEG_CUBICTO);
}
public virtual int CurrentSegment(double[] coords)
{
int segtype;
int numpoints;
if (Prevcurve != null)
{
// Need to finish off junction between curves
if (Thiscurve == null || Thiscurve.Order == 0)
{
return(PathIterator_Fields.SEG_CLOSE);
}
coords[0] = Thiscurve.X0;
coords[1] = Thiscurve.Y0;
segtype = PathIterator_Fields.SEG_LINETO;
numpoints = 1;
}
else if (Thiscurve == null)
{
throw new NoSuchElementException("area iterator out of bounds");
}
else
{
segtype = Thiscurve.getSegment(coords);
numpoints = Thiscurve.Order;
if (numpoints == 0)
{
numpoints = 1;
}
}
if (Transform != null)
{
Transform.Transform(coords, 0, coords, 0, numpoints);
}
return(segtype);
}
