public static Point[] sClipPolygonByRect(Point[] inArray, Rect clipRect)
{
if ((inArray == null) || (inArray.Length == 0))
{
return(null);
}
PolygonClipping clipping = new PolygonClipping();
return(clipping.ClipPolygonByRect(inArray, clipRect));
}
protected PathFigure RenderNonStacked(Point[] pts, double origin, bool inverted, double optRadius, Rect cr)
{
PointCollection points = null;
int length = pts.Length;
if (base.Smoothed && (length > 3))
{
points = new SplineNew(pts).CalculateCollection();
length = pts.Length;
}
else if (!double.IsNaN(optRadius))
{
points = base.DecimateAsCollection(pts, optRadius);
length = pts.Length;
}
else
{
points = new PointCollection();
for (int i = 0; i < length; i++)
{
points.Add(pts[i]);
}
}
if (inverted)
{
points.Add(new Point(origin, pts[length - 1].Y));
points.Add(new Point(origin, pts[0].Y));
}
else
{
points.Add(new Point(pts[length - 1].X, origin));
points.Add(new Point(pts[0].X, origin));
}
points.Add(points[0]);
if (!cr.IsEmptyRect())
{
Point[] inArray = new Point[points.Count];
for (int j = 0; j < points.Count; j++)
{
inArray[j] = points[j];
}
inArray = PolygonClipping.sClipPolygonByRect(inArray, cr);
if (inArray == null)
{
return(null);
}
points = Utils.ToCollection(inArray);
}
return(RenderSegment(points));
}
protected PathFigure[] RenderSegment(Point[] pts, double optRadius, Rect clip)
{
if ((pts == null) || (pts.Length == 0))
{
return(null);
}
if (Smoothed && (pts.Length > 3))
{
pts = new SplineNew(pts).Calculate();
}
else if (!double.IsNaN(optRadius))
{
pts = Decimate(pts, optRadius);
}
if (clip.IsEmptyRect())
{
PathFigure figure = new PathFigure();
figure.StartPoint = pts[0];
figure.IsClosed = IsClosed;
figure.IsFilled = IsFilled;
PolyLineSegment segment = new PolyLineSegment();
segment.Points = pts.ToCollection();
figure.Segments.Add(segment);
return(new PathFigure[] { figure });
}
if (!IsClosed)
{
return(ClippingEngine.CreateClippedLines(pts, clip));
}
pts = PolygonClipping.sClipPolygonByRect(pts, clip);
if ((pts == null) || (pts.Length <= 0))
{
return(null);
}
PathFigure figure2 = new PathFigure();
figure2.StartPoint = pts[0];
figure2.IsClosed = IsClosed;
figure2.IsFilled = IsFilled;
figure2.Segments = new PathSegmentCollection();
if (!IsFilled)
{
PathFigure[] figureArray = new PathFigure[pts.Length];
PathFigure figure4 = new PathFigure();
figure4.StartPoint = pts[pts.Length - 1];
figureArray[0] = figure4;
LineSegment segment3 = new LineSegment();
segment3.Point = pts[0];
figureArray[0].Segments.Add(segment3);
for (int i = 1; i < figureArray.Length; i++)
{
PathFigure figure3 = new PathFigure();
figure3.StartPoint = pts[i - 1];
figureArray[i] = figure3;
LineSegment segment2 = new LineSegment();
segment2.Point = pts[i];
figureArray[i].Segments.Add(segment2);
}
return(figureArray);
}
PolyLineSegment segment4 = new PolyLineSegment();
segment4.Points = pts.ToCollection();
figure2.Segments.Add(segment4);
return(new PathFigure[] { figure2 });
}
