private static void ReplacePolySegments(PathSegmentCollection pathSegments)
{
for (int index1 = 0; index1 < pathSegments.Count; ++index1)
{
PathSegment pathSegment = pathSegments[index1];
PolyLineSegment polyLineSegment = pathSegment as PolyLineSegment;
if (polyLineSegment != null)
{
pathSegments.RemoveAt(index1);
for (int index2 = 0; index2 < polyLineSegment.Points.Count; ++index2)
{
LineSegment lineSegment = PathSegmentUtilities.CreateLineSegment(polyLineSegment.Points[index2], polyLineSegment.IsStroked);
pathSegments.Insert(index1, (PathSegment)lineSegment);
++index1;
}
--index1;
}
PolyQuadraticBezierSegment quadraticBezierSegment1 = pathSegment as PolyQuadraticBezierSegment;
if (quadraticBezierSegment1 != null)
{
pathSegments.RemoveAt(index1);
int index2 = 0;
while (index2 < quadraticBezierSegment1.Points.Count - 1)
{
QuadraticBezierSegment quadraticBezierSegment2 = PathSegmentUtilities.CreateQuadraticBezierSegment(quadraticBezierSegment1.Points[index2], quadraticBezierSegment1.Points[index2 + 1], quadraticBezierSegment1.IsStroked);
pathSegments.Insert(index1, (PathSegment)quadraticBezierSegment2);
++index1;
index2 += 2;
}
--index1;
}
PolyBezierSegment polyBezierSegment = pathSegment as PolyBezierSegment;
if (polyBezierSegment != null)
{
pathSegments.RemoveAt(index1);
int index2 = 0;
while (index2 < polyBezierSegment.Points.Count - 2)
{
BezierSegment bezierSegment = PathSegmentUtilities.CreateBezierSegment(polyBezierSegment.Points[index2], polyBezierSegment.Points[index2 + 1], polyBezierSegment.Points[index2 + 2], polyBezierSegment.IsStroked);
pathSegments.Insert(index1, (PathSegment)bezierSegment);
++index1;
index2 += 3;
}
--index1;
}
}
}
private static void RemoveDegenerateSegments(PathFigure pathFigure, bool removeInvisible)
{
PathSegmentCollection segments = pathFigure.Segments;
Point b = pathFigure.StartPoint;
Point startPoint = pathFigure.StartPoint;
for (int index = 0; index < segments.Count; ++index)
{
PathSegment pathSegment = segments[index];
LineSegment lineSegment;
if ((lineSegment = pathSegment as LineSegment) != null)
{
if (VectorUtilities.ArePathPointsVeryClose(lineSegment.Point, b) || removeInvisible && !lineSegment.IsStroked && pathFigure.Segments.Count == 1)
{
segments.RemoveAt(index--);
}
else
{
b = lineSegment.Point;
}
}
else
{
QuadraticBezierSegment quadraticBezierSegment;
if ((quadraticBezierSegment = pathSegment as QuadraticBezierSegment) != null)
{
if (VectorUtilities.ArePathPointsVeryClose(quadraticBezierSegment.Point1, b) && VectorUtilities.ArePathPointsVeryClose(quadraticBezierSegment.Point2, b))
{
segments.RemoveAt(index--);
}
else
{
b = quadraticBezierSegment.Point2;
}
}
else
{
BezierSegment bezierSegment;
if ((bezierSegment = pathSegment as BezierSegment) != null)
{
if (VectorUtilities.ArePathPointsVeryClose(bezierSegment.Point1, b) && VectorUtilities.ArePathPointsVeryClose(bezierSegment.Point2, b) && VectorUtilities.ArePathPointsVeryClose(bezierSegment.Point3, b))
{
segments.RemoveAt(index--);
}
else
{
b = bezierSegment.Point3;
}
}
}
}
}
if (segments.Count < 1)
{
return;
}
LineSegment lineSegment1 = segments[segments.Count - 1] as LineSegment;
if (lineSegment1 == null || !pathFigure.IsClosed || !VectorUtilities.ArePathPointsVeryClose(startPoint, lineSegment1.Point))
{
return;
}
segments.RemoveAt(segments.Count - 1);
}
