Class GeometryExtensions

Methods related to planar geometry.

Inheritance

System.Object

GeometryExtensions

Inherited Members

System.Object.ToString()

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

Namespace: Telerik.WinControls.UI.Diagrams

Assembly: Telerik.WinControls.RadDiagram.dll

Syntax

public static class GeometryExtensions

Methods

Add(PathFigure, PathSegment)

Adds the given PathSegment to the path figure.

Declaration

public static PathFigure Add(this PathFigure pathFigure, PathSegment segment)

Parameters

PathFigure pathFigure The path figure.

PathSegment segment The segment.

Returns

PathFigure The augmented path figure.

Add(PathFigure, PathSegment, Point)

Adds the given PathSegment to the path figure and sets the starting point at the same time.

Declaration

public static PathFigure Add(this PathFigure pathFigure, PathSegment segment, Point startPoint)

Parameters

PathFigure pathFigure The path figure.

PathSegment segment The segment.

Point startPoint The start point.

Returns

PathFigure The augmented path figure.

Add(PathGeometry, PathFigure)

Adds the given figure to the geometry.

Declaration

public static PathGeometry Add(this PathGeometry pathGeometry, PathFigure pathFigure)

Parameters

PathGeometry pathGeometry The path geometry.

PathFigure pathFigure The path figure.

Returns

PathGeometry The resulting path geometry.

AddArc(PathFigure, Double, Double, Double, Double, Double, Double, Boolean)

Adds an arc to the path figure.

Declaration

public static void AddArc(this PathFigure pathFigure, double x, double y, double width, double height, double startAngle, double sweep, bool startPoint)

Parameters

PathFigure pathFigure The figure.

System.Double x The x-coordinate of the bounding rectangle.

System.Double y The y-coordinate of the bounding rectangle.

System.Double width The width of the bounding rectangle.

System.Double height The height of the bounding rectangle.

System.Double startAngle The start angle.

System.Double sweep The sweeping angle of the arc.

System.Boolean startPoint If set to true the starting point will be set.

AddBezier(PathFigure, Double[])

Adds a bezier segment to the path.

Declaration

public static void AddBezier(this PathFigure pathFigure, double[] points)

Parameters

PathFigure pathFigure The path.

System.Double[] points The eight values specifying the eight coordinates of the four Bezier points.

AddBeziers(PathFigure, Point[])

Adds a bezier segment to the path.

Declaration

public static void AddBeziers(this PathFigure pathFigure, Point[] points)

Parameters

PathFigure pathFigure The figure.

Point[] points The points defining the Bezier segment.

AddLine(PathFigure, Double, Double, Double, Double)

Adds a line to the path.

Declaration

public static PathFigure AddLine(this PathFigure pathFigure, double x1, double y1, double x2, double y2)

Parameters

PathFigure pathFigure The path figure.

System.Double x1 The x-coordinate of the start point.

System.Double y1 The y-coordinate of the start point.

System.Double x2 The x-coordinate of the end point.

System.Double y2 The y-coordinate of the end point.

Returns

PathFigure

AddLine(PathFigure, Point, Point)

Adds a line to the path.

Declaration

public static PathFigure AddLine(this PathFigure pathFigure, Point point1, Point point2)

Parameters

PathFigure pathFigure The path figure.

Point point1 The start point of the line.

Point point2 The end point of the line.

Returns

PathFigure The augmented path figure.

AddPolyLine(PathFigure, IEnumerable<Point>)

Adds a polyline to the figure.

Declaration

public static void AddPolyLine(this PathFigure pathFigure, IEnumerable<Point> points)

Parameters

PathFigure pathFigure The figure.

System.Collections.Generic.IEnumerable<Point> points The points defining the polyline.

AddPolyLine(PathFigure, PointCollection)

Adds a polyline to the figure.

Declaration

public static void AddPolyLine(this PathFigure pathFigure, PointCollection collection)

Parameters

PathFigure pathFigure The figure.

PointCollection collection The points defining the polyline.

CreateBaseLineGeometry(LineSpecification)

Creates a line geometry based on the given specifications.

Declaration

public static PathGeometry CreateBaseLineGeometry(LineSpecification specs)

Parameters

LineSpecification specs The specs.

Returns

PathGeometry

Remarks

CreateBezier(Point, Point, Point, Point, Double)

Creates a bezier geometry.

Declaration

public static Geometry CreateBezier(Point startPoint, Point endPoint, Point startBezierPoint, Point endBezierPoint, double tension = 1)

Parameters

Point startPoint The start point.

Point endPoint The end point.

Point startBezierPoint The start bezier point.

Point endBezierPoint The end bezier point.

System.Double tension The tension of the Bezier curve.

Returns

Geometry

CreateConnectionGeometry(IConnection, BridgeType, Boolean)

This method is called by the connection update process to create a geometry which is then plugged into the Path in the XAML template of the connection.

Declaration

public static Geometry CreateConnectionGeometry(IConnection connection, BridgeType connectionBridge, bool connectionRoundedCorners)

Parameters

IConnection connection The connection for which to create a geometry.

BridgeType connectionBridge What type of bridging should be applied to the line.

System.Boolean connectionRoundedCorners Whether the corners of the line should be rounded.

Returns

Geometry The geometry of the connection path.

Remarks

CreateEllipse(Point, Double, Double)

Creates an ellipse.

Declaration

public static Geometry CreateEllipse(Point center, double radiusX, double radiusY)

Parameters

Point center The center.

System.Double radiusX The x radius.

System.Double radiusY The y radius.

Returns

Geometry

CreateLineGeometry(PolylineSpecification)

Creates a line geometry based on the given specifications.

Declaration

public static Geometry CreateLineGeometry(PolylineSpecification specs)

Parameters

PolylineSpecification specs

Returns

Geometry A Geometry to be used in a Path

Remarks

See Also

CreateConnectionGeometry(IConnection, BridgeType, Boolean)

PolylineSpecification

CreatePolylineLineFigure(PolylineSpecification)

CreateLineGeometry(Point, Point, Boolean, Point[])

Creates the polyline.

Declaration

public static Geometry CreateLineGeometry(Point startPoint, Point endPoint, bool roundedCorners = false, params Point[] points)

Parameters

Point startPoint The start point.

Point endPoint The end point.

System.Boolean roundedCorners If set to true the corners of the polyline will be rounded.

Point[] points The points.

Returns

Geometry

CreatePathGeometry(Point, IList<PathSegment>)

Creates a geometry.

Declaration

public static Geometry CreatePathGeometry(Point startPoint, IList<PathSegment> pathSegments)

Parameters

Point startPoint The start point.

System.Collections.Generic.IList<PathSegment> pathSegments The path segments.

Returns

Geometry

CreatePolylineLineFigure(PolylineSpecification)

Gets the polyline figure.

Declaration

public static PathGeometry CreatePolylineLineFigure(PolylineSpecification specs)

Parameters

PolylineSpecification specs The polyline specifications.

Returns

PathGeometry

CreateRoundedPolyline(PathFigure, IList<Point>, Boolean)

Adds rounded corners to the existing polyline figure.

Declaration

public static void CreateRoundedPolyline(PathFigure figure, IList<Point> points, bool addLastLine)

Parameters

PathFigure figure The figure which will be incremented with corner arcs.

System.Collections.Generic.IList<Point> points The points of the polyline.

System.Boolean addLastLine If set to true the last line segment will be added.

Remarks

The corner radius is set in the ConnectionCornerRadius and has default 5.0 pixels.

CreateSplineFigures(IList<Point>, Double, Boolean, Boolean)

Creates a canonical spline figure.

Declaration

public static IList<PathFigure> CreateSplineFigures(IList<Point> points, double tension = 0.5, bool isClosed = false, bool isFilled = false)

Parameters

System.Collections.Generic.IList<Point> points The points defining the spline. These should be in local coordinates and include the endpoints.

System.Double tension The tension of the spline. A tension or zero will result in a polyline, a tension between 0.5 and 0.8 is pleasing, other values lead to wild curves.

System.Boolean isClosed If set to true the curve will be closed.

System.Boolean isFilled If set to true the shape will be filled .

Returns

System.Collections.Generic.IList<PathFigure>

Remarks

Based on the code in http://www.charlespetzold.com/blog/2009/01/canonical-splines-in-wpf-and-silverlight.html.

FindIntersection(Point, Point, Geometry, Double, Boolean)

Finds the intersection.

Declaration

public static Point FindIntersection(Point sourcePoint, Point targetPoint, Geometry geometry, double edgeThick, bool isArrow)

Parameters

Point sourcePoint The source point.

Point targetPoint The target point.

Geometry geometry The geometry.

System.Double edgeThick The edge thick.

System.Boolean isArrow If set to true [is arrow].

Returns

Point

GetGeometry(PathGeometry)

Declaration

public static GraphicsPath GetGeometry(PathGeometry geometry)

Parameters

PathGeometry geometry

Returns

System.Drawing.Drawing2D.GraphicsPath

GetSplineFigureTangents(IList<Point>, out Point, out Point, Double, Boolean)

Gets the tangents of the spline figure.

Declaration

public static void GetSplineFigureTangents(IList<Point> points, out Point startTangentPoint, out Point endTangentPoint, double tension = 0.5, bool isClosed = false)

Parameters

System.Collections.Generic.IList<Point> points The points of the connection.

Point startTangentPoint The start tangent point.

Point endTangentPoint The end tangent point.

System.Double tension The tension.

System.Boolean isClosed If set to true [is closed].

GetString(Geometry)

Converts the geometry object to its string equivalent.

Declaration

public static string GetString(this Geometry geometry)

Parameters

Geometry geometry The geometry.

Returns

System.String