private PolyBezierSegment CreateSegments(float[] ews, float[] nss)
{
PolyBezierSegment segments = new PolyBezierSegment();
if (ews != null && nss != null && ews.Length > 4 && nss.Length > 4)
{
int length = Math.Min(ews.Length, nss.Length);
for (int i = 1; i < length; i++)//跳过第一个点，第一个点是起始点
{
segments.Points.Add(new Point()
{
X = ews[i],
Y = nss[i]
});
}
int reminder = segments.Points.Count % 3;
if (reminder != 0)
{//贝塞尔曲线必须被3整除（否则爆Win32致命异常），如果不够，根据业务需要，添加起始点来完善
//必然是1或者2，起码要添加一个：
segments.Points.Add(new Point() { X = ews[0], Y = nss[0] });
if (reminder == 1)
{//差两个，已经添加了一个，再添加一个
segments.Points.Add(new Point() { X = ews[0], Y = nss[0] });
}
}
}
return segments;
}
public object ConvertToNative(Geometry geometry)
{
winMedia.Geometry winGeometry = null;
// Determine what type of geometry we're dealing with.
if (geometry is LineGeometry)
{
LineGeometry xamGeometry = geometry as LineGeometry;
winGeometry = new winMedia.LineGeometry
{
StartPoint = ConvertPoint(xamGeometry.StartPoint),
EndPoint = ConvertPoint(xamGeometry.EndPoint)
};
}
else if (geometry is RectangleGeometry)
{
Rect rect = (geometry as RectangleGeometry).Rect;
winGeometry = new winMedia.RectangleGeometry
{
Rect = new winFound.Rect(rect.X, rect.Y, rect.Width, rect.Height)
};
}
else if (geometry is EllipseGeometry)
{
EllipseGeometry xamGeometry = geometry as EllipseGeometry;
winGeometry = new winMedia.EllipseGeometry
{
Center = ConvertPoint(xamGeometry.Center),
RadiusX = xamGeometry.RadiusX,
RadiusY = xamGeometry.RadiusY
};
}
else if (geometry is GeometryGroup)
{
GeometryGroup xamGeometry = geometry as GeometryGroup;
winGeometry = new winMedia.GeometryGroup
{
FillRule = ConvertFillRule(xamGeometry.FillRule)
};
foreach (Geometry xamChild in xamGeometry.Children)
{
winMedia.Geometry winChild = ConvertToNative(xamChild) as winMedia.Geometry;
(winGeometry as winMedia.GeometryGroup).Children.Add(winChild);
}
}
else if (geometry is PathGeometry)
{
PathGeometry xamPathGeometry = geometry as PathGeometry;
winMedia.PathGeometry winPathGeometry = new winMedia.PathGeometry
{
FillRule = ConvertFillRule(xamPathGeometry.FillRule)
};
foreach (PathFigure xamPathFigure in xamPathGeometry.Figures)
{
winMedia.PathFigure winPathFigure = new winMedia.PathFigure
{
StartPoint = ConvertPoint(xamPathFigure.StartPoint),
IsFilled = xamPathFigure.IsFilled,
IsClosed = xamPathFigure.IsClosed
};
winPathGeometry.Figures.Add(winPathFigure);
foreach (PathSegment xamPathSegment in xamPathFigure.Segments)
{
// LineSegment
if (xamPathSegment is LineSegment)
{
LineSegment xamSegment = xamPathSegment as LineSegment;
winMedia.LineSegment winSegment = new winMedia.LineSegment
{
Point = ConvertPoint(xamSegment.Point)
};
winPathFigure.Segments.Add(winSegment);
}
// PolylineSegment
if (xamPathSegment is PolyLineSegment)
{
PolyLineSegment xamSegment = xamPathSegment as PolyLineSegment;
winMedia.PolyLineSegment winSegment = new winMedia.PolyLineSegment();
foreach (Point point in xamSegment.Points)
{
winSegment.Points.Add(ConvertPoint(point));
}
winPathFigure.Segments.Add(winSegment);
}
// BezierSegment
if (xamPathSegment is BezierSegment)
{
BezierSegment xamSegment = xamPathSegment as BezierSegment;
winMedia.BezierSegment winSegment = new winMedia.BezierSegment
{
Point1 = ConvertPoint(xamSegment.Point1),
Point2 = ConvertPoint(xamSegment.Point2),
Point3 = ConvertPoint(xamSegment.Point3)
};
winPathFigure.Segments.Add(winSegment);
}
// PolyBezierSegment
else if (xamPathSegment is PolyBezierSegment)
{
PolyBezierSegment xamSegment = xamPathSegment as PolyBezierSegment;
winMedia.PolyBezierSegment winSegment = new winMedia.PolyBezierSegment();
foreach (Point point in xamSegment.Points)
{
winSegment.Points.Add(ConvertPoint(point));
}
winPathFigure.Segments.Add(winSegment);
}
// QuadraticBezierSegment
if (xamPathSegment is QuadraticBezierSegment)
{
QuadraticBezierSegment xamSegment = xamPathSegment as QuadraticBezierSegment;
winMedia.QuadraticBezierSegment winSegment = new winMedia.QuadraticBezierSegment
{
Point1 = ConvertPoint(xamSegment.Point1),
Point2 = ConvertPoint(xamSegment.Point2),
};
winPathFigure.Segments.Add(winSegment);
}
// PolyQuadraticBezierSegment
else if (xamPathSegment is PolyQuadraticBezierSegment)
{
PolyQuadraticBezierSegment xamSegment = xamPathSegment as PolyQuadraticBezierSegment;
winMedia.PolyQuadraticBezierSegment winSegment = new winMedia.PolyQuadraticBezierSegment();
foreach (Point point in xamSegment.Points)
{
winSegment.Points.Add(ConvertPoint(point));
}
winPathFigure.Segments.Add(winSegment);
}
// ArcSegment
else if (xamPathSegment is ArcSegment)
{
ArcSegment xamSegment = xamPathSegment as ArcSegment;
winMedia.ArcSegment winSegment = new winMedia.ArcSegment();
winSegment.Size = new winFound.Size(xamSegment.Size.Width, xamSegment.Size.Height);
winSegment.RotationAngle = xamSegment.RotationAngle;
winSegment.IsLargeArc = xamSegment.IsLargeArc;
winSegment.SweepDirection = xamSegment.SweepDirection == SweepDirection.Clockwise ? winMedia.SweepDirection.Clockwise : winMedia.SweepDirection.Counterclockwise;
winSegment.Point = ConvertPoint(xamSegment.Point);
winPathFigure.Segments.Add(winSegment);
}
}
}
winGeometry = winPathGeometry;
}
// Set transform.
if (geometry.Transform != null)
{
winGeometry.Transform = (winMedia.Transform)geometry.Transform.GetNativeObject();
}
return(winGeometry);
}
public static WMedia.Geometry ToWindows(this Geometry geometry)
{
WMedia.Geometry wGeometry = null;
if (geometry is LineGeometry)
{
LineGeometry lineGeometry = geometry as LineGeometry;
wGeometry = new WMedia.LineGeometry
{
StartPoint = lineGeometry.StartPoint.ToWindows(),
EndPoint = lineGeometry.EndPoint.ToWindows()
};
}
else if (geometry is RectangleGeometry)
{
var rect = (geometry as RectangleGeometry).Rect;
wGeometry = new WMedia.RectangleGeometry
{
Rect = new WFoundation.Rect(rect.X, rect.Y, rect.Width, rect.Height)
};
}
else if (geometry is EllipseGeometry)
{
EllipseGeometry ellipseGeometry = geometry as EllipseGeometry;
wGeometry = new WMedia.EllipseGeometry
{
Center = ellipseGeometry.Center.ToWindows(),
RadiusX = ellipseGeometry.RadiusX,
RadiusY = ellipseGeometry.RadiusY
};
}
else if (geometry is GeometryGroup)
{
GeometryGroup geometryGroup = geometry as GeometryGroup;
wGeometry = new WMedia.GeometryGroup
{
FillRule = ConvertFillRule(geometryGroup.FillRule)
};
foreach (Geometry children in geometryGroup.Children)
{
WMedia.Geometry winChild = children.ToWindows();
(wGeometry as WMedia.GeometryGroup).Children.Add(winChild);
}
}
else if (geometry is PathGeometry)
{
PathGeometry pathGeometry = geometry as PathGeometry;
WMedia.PathGeometry wPathGeometry = new WMedia.PathGeometry
{
FillRule = ConvertFillRule(pathGeometry.FillRule)
};
foreach (PathFigure xamPathFigure in pathGeometry.Figures)
{
WMedia.PathFigure wPathFigure = new WMedia.PathFigure
{
StartPoint = xamPathFigure.StartPoint.ToWindows(),
IsFilled = xamPathFigure.IsFilled,
IsClosed = xamPathFigure.IsClosed
};
wPathGeometry.Figures.Add(wPathFigure);
foreach (PathSegment pathSegment in xamPathFigure.Segments)
{
// LineSegment
if (pathSegment is LineSegment)
{
LineSegment lineSegment = pathSegment as LineSegment;
WMedia.LineSegment winSegment = new WMedia.LineSegment
{
Point = lineSegment.Point.ToWindows()
};
wPathFigure.Segments.Add(winSegment);
}
// PolylineSegment
if (pathSegment is PolyLineSegment)
{
PolyLineSegment polyLineSegment = pathSegment as PolyLineSegment;
WMedia.PolyLineSegment wSegment = new WMedia.PolyLineSegment();
foreach (var point in polyLineSegment.Points)
{
wSegment.Points.Add(point.ToWindows());
}
wPathFigure.Segments.Add(wSegment);
}
// BezierSegment
if (pathSegment is BezierSegment)
{
BezierSegment bezierSegment = pathSegment as BezierSegment;
WMedia.BezierSegment wSegment = new WMedia.BezierSegment
{
Point1 = bezierSegment.Point1.ToWindows(),
Point2 = bezierSegment.Point2.ToWindows(),
Point3 = bezierSegment.Point3.ToWindows()
};
wPathFigure.Segments.Add(wSegment);
}
// PolyBezierSegment
else if (pathSegment is PolyBezierSegment)
{
PolyBezierSegment polyBezierSegment = pathSegment as PolyBezierSegment;
WMedia.PolyBezierSegment wSegment = new WMedia.PolyBezierSegment();
foreach (var point in polyBezierSegment.Points)
{
wSegment.Points.Add(point.ToWindows());
}
wPathFigure.Segments.Add(wSegment);
}
// QuadraticBezierSegment
if (pathSegment is QuadraticBezierSegment)
{
QuadraticBezierSegment quadraticBezierSegment = pathSegment as QuadraticBezierSegment;
WMedia.QuadraticBezierSegment wSegment = new WMedia.QuadraticBezierSegment
{
Point1 = quadraticBezierSegment.Point1.ToWindows(),
Point2 = quadraticBezierSegment.Point2.ToWindows()
};
wPathFigure.Segments.Add(wSegment);
}
// PolyQuadraticBezierSegment
else if (pathSegment is PolyQuadraticBezierSegment)
{
PolyQuadraticBezierSegment polyQuadraticBezierSegment = pathSegment as PolyQuadraticBezierSegment;
WMedia.PolyQuadraticBezierSegment wSegment = new WMedia.PolyQuadraticBezierSegment();
foreach (var point in polyQuadraticBezierSegment.Points)
{
wSegment.Points.Add(point.ToWindows());
}
wPathFigure.Segments.Add(wSegment);
}
// ArcSegment
else if (pathSegment is ArcSegment)
{
ArcSegment arcSegment = pathSegment as ArcSegment;
WMedia.ArcSegment wSegment = new WMedia.ArcSegment
{
Size = new WFoundation.Size(arcSegment.Size.Width, arcSegment.Size.Height),
RotationAngle = arcSegment.RotationAngle,
IsLargeArc = arcSegment.IsLargeArc,
SweepDirection = arcSegment.SweepDirection == SweepDirection.Clockwise ? WMedia.SweepDirection.Clockwise : WMedia.SweepDirection.Counterclockwise,
Point = arcSegment.Point.ToWindows()
};
wPathFigure.Segments.Add(wSegment);
}
}
}
wGeometry = wPathGeometry;
}
return(wGeometry);
}
private void CalculateFit()
{
double normalizedGain1 = Gain1 * 100 / 15;
double normalizedGain2 = Gain2 * 100 / 15;
double normalizedGain3 = Gain3 * 100 / 15;
double normalizedGain4 = Gain4 * 100 / 15;
double normalizedFrequency1 = Frequency1 * 600 / 100;
double normalizedFrequency2 = Frequency2 * 600 / 100;
double normalizedFrequency3 = Frequency3 * 600 / 100;
double normalizedFrequency4 = Frequency4 * 600 / 100;
double div1 = (1 / (Quality1 * Quality1)) * 1000;
double div2 = (1 / (Quality2 * Quality2)) * 1000;
double div3 = (1 / (Quality3 * Quality3)) * 1000;
double div4 = (1 / (Quality4 * Quality4)) * 1000;
pf.Segments.Clear();
PolyBezierSegment seg = new PolyBezierSegment();
for (int x = 0; x < 600; x = x + 2)
{
double dx1 = x - normalizedFrequency1;
double dx2 = x - normalizedFrequency2;
double dx3 = x - normalizedFrequency3;
double dx4 = x - normalizedFrequency4;
double y1 = normalizedGain1 * Math.Exp(-(dx1 * dx1) / div1);
double y2 = normalizedGain2 * Math.Exp(-(dx2 * dx2) / div2);
double y3 = normalizedGain3 * Math.Exp(-(dx3 * dx3) / div3);
double y4 = normalizedGain4 * Math.Exp(-(dx4 * dx4) / div4);
double dy = y1 + y2 + y3 + y4;
if (Double.IsNaN(dy))
dy = 0;
seg.Points.Add(new Point(x, 100 - dy));
}
pf.Segments.Add(seg);
}
