protected virtual void UpdateActualGeometry()
{
if (this.Geometry != null)
{
this.ActualGeometry = this.Geometry;
}
else
{
this.ActualGeometry = VisualUtilities.GetMarkerGeometry(this.MarkerType, new Size(100.0, 100.0));
}
}
private Geometry[] BuildGeometries()
{
Geometry[] geometryArray = new Geometry[3];
if (this.Fill != null)
{
geometryArray[0] = (Geometry)this.BuildFillGeometry(this.Stroke != null);
}
if (this.Stroke != null)
{
geometryArray[1] = (Geometry)this.BuildStrokeGeometry();
}
if (this.Marker != MarkerType.None)
{
geometryArray[2] = VisualUtilities.GetMarkerGeometry(this.Marker, new Point(this.MarkerSize / 2.0 - this.ActualSymbolWidth / 2.0, this.MarkerSize / 2.0 - this.ActualSymbolHeight / 2.0), new Size(this.MarkerSize, this.MarkerSize), 0.0, 0.0);
}
return(geometryArray);
}
public static Geometry GetMarkerGeometry(MarkerType markerType, Size markerSize)
{
return(VisualUtilities.GetMarkerGeometry(markerType, new Point(0.0, 0.0), markerSize, 0.0, 0.0));
}
public static Geometry GetMarkerGeometry(MarkerType markerType, Point markerOrigin, Size markerSize, double startAngle = 0.0, double sweepAngle = 0.0)
{
switch (markerType)
{
case MarkerType.Circle:
return((Geometry) new EllipseGeometry()
{
Center = new Point(markerSize.Width / 2.0 - markerOrigin.X, markerSize.Height / 2.0 - markerOrigin.Y),
RadiusX = (markerSize.Width / 2.0),
RadiusY = (markerSize.Height / 2.0)
});
case MarkerType.Star4:
case MarkerType.Star5:
case MarkerType.Star10:
PointCollection points1 = new PointCollection();
RotateTransform rotateTransform1 = new RotateTransform();
rotateTransform1.CenterX = markerSize.Width / 2.0;
rotateTransform1.CenterY = markerSize.Height / 2.0;
int num1 = 4;
if (markerType == MarkerType.Star5)
{
num1 = 5;
}
else if (markerType == MarkerType.Star10)
{
num1 = 10;
}
for (int index = 0; index < num1 * 2; ++index)
{
Point point = new Point(markerSize.Width / 2.0, index % 2 == 0 ? 0.0 : markerSize.Height / 3.0);
rotateTransform1.Angle = (double)index * 360.0 / ((double)num1 * 2.0);
point = rotateTransform1.Transform(point);
point.X -= markerOrigin.X;
point.Y -= markerOrigin.Y;
points1.Add(point);
}
return(VisualUtilities.CreatePolyLineGeometry(points1));
case MarkerType.Triangle:
return(VisualUtilities.CreatePolyLineGeometry(new PointCollection()
{
new Point(markerSize.Width / 2.0 - markerOrigin.X, 0.0 - markerOrigin.Y),
new Point(markerSize.Width - markerOrigin.X, markerSize.Height - markerOrigin.Y),
new Point(0.0 - markerOrigin.X, markerSize.Height - markerOrigin.Y)
}));
case MarkerType.Square:
case MarkerType.Rectangle:
return((Geometry) new RectangleGeometry()
{
Rect = new Rect(0.0 - markerOrigin.X, 0.0 - markerOrigin.Y, markerSize.Width, markerSize.Height)
});
case MarkerType.Diamond:
return(VisualUtilities.CreatePolyLineGeometry(new PointCollection()
{
new Point(markerSize.Width / 2.0 - markerOrigin.X, 0.0 - markerOrigin.Y),
new Point(markerSize.Width - markerOrigin.X, markerSize.Height / 2.0 - markerOrigin.Y),
new Point(markerSize.Width / 2.0 - markerOrigin.X, markerSize.Height - markerOrigin.Y),
new Point(0.0 - markerOrigin.X, markerSize.Height / 2.0 - markerOrigin.Y)
}));
case MarkerType.Cross:
case MarkerType.CrossRotated:
Size size1 = new Size(markerSize.Width / 4.0, markerSize.Height / 4.0);
Point[] pointArray = new Point[12]
{
new Point(markerSize.Width / 2.0 - size1.Width / 2.0 - markerOrigin.X, 0.0 - markerOrigin.Y),
new Point(markerSize.Width / 2.0 + size1.Width / 2.0 - markerOrigin.X, 0.0 - markerOrigin.Y),
new Point(markerSize.Width / 2.0 + size1.Width / 2.0 - markerOrigin.X, markerSize.Height / 2.0 - size1.Height / 2.0 - markerOrigin.Y),
new Point(markerSize.Width - markerOrigin.X, markerSize.Height / 2.0 - size1.Height / 2.0 - markerOrigin.Y),
new Point(markerSize.Width - markerOrigin.X, markerSize.Height / 2.0 + size1.Height / 2.0 - markerOrigin.Y),
new Point(markerSize.Width / 2.0 + size1.Width / 2.0 - markerOrigin.X, markerSize.Height / 2.0 + size1.Height / 2.0 - markerOrigin.Y),
new Point(markerSize.Width / 2.0 + size1.Width / 2.0 - markerOrigin.X, markerSize.Height - markerOrigin.Y),
new Point(markerSize.Width / 2.0 - size1.Width / 2.0 - markerOrigin.X, markerSize.Height - markerOrigin.Y),
new Point(markerSize.Width / 2.0 - size1.Width / 2.0 - markerOrigin.X, markerSize.Height / 2.0 + size1.Height / 2.0 - markerOrigin.Y),
new Point(0.0 - markerOrigin.X, markerSize.Height / 2.0 + size1.Height / 2.0 - markerOrigin.Y),
new Point(0.0 - markerOrigin.X, markerSize.Height / 2.0 - size1.Height / 2.0 - markerOrigin.Y),
new Point(markerSize.Width / 2.0 - size1.Width / 2.0 - markerOrigin.X, markerSize.Height / 2.0 - size1.Height / 2.0 - markerOrigin.Y)
};
PointCollection points2 = new PointCollection();
if (markerType == MarkerType.CrossRotated)
{
RotateTransform rotateTransform2 = new RotateTransform();
rotateTransform2.Angle = 45.0;
rotateTransform2.CenterX = markerSize.Width / 2.0 - markerOrigin.X;
rotateTransform2.CenterY = markerSize.Height / 2.0 - markerOrigin.Y;
for (int index = 0; index < pointArray.Length; ++index)
{
points2.Add(rotateTransform2.Transform(pointArray[index]));
}
}
else
{
for (int index = 0; index < pointArray.Length; ++index)
{
points2.Add(pointArray[index]);
}
}
return(VisualUtilities.CreatePolyLineGeometry(points2));
case MarkerType.Trapezoid:
Size size2 = new Size(markerSize.Width / 3.0, markerSize.Height / 3.0);
return(VisualUtilities.CreatePolyLineGeometry(new PointCollection()
{
new Point(size2.Width - markerOrigin.X, 0.0 - markerOrigin.Y),
new Point(markerSize.Width - size2.Width - markerOrigin.X, 0.0 - markerOrigin.Y),
new Point(markerSize.Width - markerOrigin.X, markerSize.Height - markerOrigin.Y),
new Point(0.0 - markerOrigin.X, markerSize.Height - markerOrigin.Y)
}));
case MarkerType.Pentagon:
PointCollection points3 = new PointCollection();
RotateTransform rotateTransform3 = new RotateTransform();
rotateTransform3.CenterX = markerSize.Width / 2.0 - markerOrigin.X;
rotateTransform3.CenterY = markerSize.Height / 2.0 - markerOrigin.Y;
int num2 = 5;
for (int index = 0; index < num2; ++index)
{
Point point = new Point(markerSize.Width / 2.0 - markerOrigin.X, 0.0 - markerOrigin.Y);
rotateTransform3.Angle = (double)index * 360.0 / (double)num2;
point = rotateTransform3.Transform(point);
points3.Add(point);
}
return(VisualUtilities.CreatePolyLineGeometry(points3));
case MarkerType.Wedge:
Size size3 = new Size(markerSize.Width / 3.0, markerSize.Height / 3.0);
return(VisualUtilities.CreatePolyLineGeometry(new PointCollection()
{
new Point(markerSize.Width / 2.0 - markerOrigin.X, 0.0 - markerOrigin.Y),
new Point(markerSize.Width - markerOrigin.X, size3.Height - markerOrigin.Y),
new Point(markerSize.Width - markerOrigin.X, markerSize.Height - markerOrigin.Y),
new Point(0.0 - markerOrigin.X, markerSize.Height - markerOrigin.Y),
new Point(0.0 - markerOrigin.X, size3.Height - markerOrigin.Y)
}));
case MarkerType.PieSlice:
if (sweepAngle >= 360.0)
{
return (Geometry) new EllipseGeometry()
{
Center = new Point(markerSize.Width / 2.0 - markerOrigin.X, markerSize.Height / 2.0 - markerOrigin.Y),
RadiusX = (markerSize.Width / 2.0),
RadiusY = (markerSize.Height / 2.0)
}
}
;
Point point1 = new Point(markerSize.Width / 2.0 - markerOrigin.X, markerSize.Height / 2.0 - markerOrigin.Y);
Point point2 = new Point(point1.X, point1.Y - markerSize.Height / 2.0);
Point point3 = VisualUtilities.RotatePointBy(point2, startAngle);
Point point4 = VisualUtilities.RotatePointBy(point2, startAngle + sweepAngle);
PathFigure pathFigure = new PathFigure()
{
StartPoint = VisualUtilities.ShiftPoint(point1)
};
pathFigure.Segments.Add((PathSegment) new LineSegment()
{
Point = VisualUtilities.ShiftPoint(point3)
});
pathFigure.Segments.Add((PathSegment) new ArcSegment()
{
IsLargeArc = (sweepAngle >= 180.0),
SweepDirection = SweepDirection.Clockwise,
Size = new Size(markerSize.Width / 2.0, markerSize.Height / 2.0),
Point = VisualUtilities.ShiftPoint(point4)
});
pathFigure.Segments.Add((PathSegment) new LineSegment()
{
Point = VisualUtilities.ShiftPoint(point1)
});
return((Geometry) new PathGeometry()
{
Figures =
{
pathFigure
}
});
default:
return((Geometry)null);
}
}
