public static void Draw(Canvas canvas, List<LinePoint> points, Brush stroke, bool clear = true)
{
if (clear)
{
canvas.Children.Clear();
}
PathFigureCollection myPathFigureCollection = new PathFigureCollection();
PathGeometry myPathGeometry = new PathGeometry();
foreach (LinePoint p in points)
{
PathFigure myPathFigure = new PathFigure();
myPathFigure.StartPoint = p.StartPoint;
LineSegment myLineSegment = new LineSegment();
myLineSegment.Point = p.EndPoint;
PathSegmentCollection myPathSegmentCollection = new PathSegmentCollection();
myPathSegmentCollection.Add(myLineSegment);
myPathFigure.Segments = myPathSegmentCollection;
myPathFigureCollection.Add(myPathFigure);
}
myPathGeometry.Figures = myPathFigureCollection;
Path myPath = new Path();
myPath.Stroke = stroke == null ? Brushes.Black : stroke;
myPath.StrokeThickness = 1;
myPath.Data = myPathGeometry;
canvas.Children.Add(myPath);
}
public void StartDrawItem(DesignItem clickedOn, Type createItemType, IDesignPanel panel, System.Windows.Input.MouseEventArgs e)
{
var createdItem = CreateItem(panel.Context, createItemType);
var startPoint = e.GetPosition(clickedOn.View);
var operation = PlacementOperation.TryStartInsertNewComponents(clickedOn,
new DesignItem[] { createdItem },
new Rect[] { new Rect(startPoint.X, startPoint.Y, double.NaN, double.NaN) },
PlacementType.AddItem);
if (operation != null) {
createdItem.Services.Selection.SetSelectedComponents(new DesignItem[] { createdItem });
operation.Commit();
}
createdItem.Properties[Shape.StrokeProperty].SetValue(Brushes.Black);
createdItem.Properties[Shape.StrokeThicknessProperty].SetValue(2d);
createdItem.Properties[Shape.StretchProperty].SetValue(Stretch.None);
var figure = new PathFigure();
var geometry = new PathGeometry();
var geometryDesignItem = createdItem.Services.Component.RegisterComponentForDesigner(geometry);
var figureDesignItem = createdItem.Services.Component.RegisterComponentForDesigner(figure);
createdItem.Properties[Path.DataProperty].SetValue(geometry);
//geometryDesignItem.Properties[PathGeometry.FiguresProperty].CollectionElements.Add(figureDesignItem);
figureDesignItem.Properties[PathFigure.StartPointProperty].SetValue(new Point(0,0));
new DrawPathMouseGesture(figure, createdItem, clickedOn.View, changeGroup, this.ExtendedItem.GetCompleteAppliedTransformationToView()).Start(panel, (MouseButtonEventArgs) e);
}
protected override void OnRender(System.Windows.Media.DrawingContext drawingContext)
{
base.OnRender(drawingContext);
// allows the points to be rendered as an image that can be further manipulated
PathGeometry geometry = new PathGeometry();
this.Siz
// Add all points to the geometry
foreach (Points pointXY in _points)
{
PathFigure figure = new PathFigure();
figure.StartPoint = pointXY.FromPoint;
figure.Segments.Add(new LineSegment(pointXY.ToPoint, true));
geometry.Figures.Add(figure);
}
// Add the first point to close the gap from the graph's end point
// to graph's start point
PathFigure lastFigure = new PathFigure();
lastFigure.StartPoint = _points[_points.Count - 1].FromPoint;
lastFigure.Segments.Add(new LineSegment(_firstPoint, true));
geometry.Figures.Add(lastFigure);
// Create a new drawing and drawing group in order to apply
// a custom drawing effect
GeometryDrawing drawing = new GeometryDrawing(this.Pen.Brush, this.Pen, geometry);
DrawingGroup drawingGroup = new DrawingGroup();
drawingGroup.Children.Add(drawing);
}
/// <summary>
/// コントロールの描画設定
/// </summary>
/// <param name="element">設定するコントロール</param>
/// <param name="value">0～100の数値</param>
/// <param name="isFront">前景(true)/背景(false)</param>
public static void SetValue(ref System.Windows.Shapes.Path element,
Double value, Boolean isFront)
{
Double thick = element.StrokeThickness / 2d;
Double angle = CalcAngle(value);
var fig = new System.Windows.Media.PathFigure()
{ // 開始点の設定
StartPoint = new Point(
element.Width / 2,
element.Height - thick)//下側から円を描く
};
Double radius = (element.Width / 2) - thick; // 半径
var endPoint = CalcEndPoint(angle, radius); // 終了点
Boolean isLargeArcFlg = angle >= STRAIGHT_ANGLE;
// 描画コントロールの作成
var seg = new ArcSegment()
{
Point = new Point(endPoint.X + thick, endPoint.Y + thick),
Size = new Size(radius, radius),
IsLargeArc = isFront ? isLargeArcFlg : !isLargeArcFlg,
SweepDirection = isFront ? SweepDirection.Clockwise
: SweepDirection.Counterclockwise,
RotationAngle = 0,
};
// コントロールの設定
fig.Segments.Clear();
fig.Segments.Add(seg);
element.Data = new PathGeometry(new PathFigure[] { fig });
}
public PathFigure AddArc(int start, int end)
{
int horizontalPostion = 100;
var startPoint = new Point(horizontalPostion, start);
var endPoint = new Point(horizontalPostion, end);
PathFigure pathFigure = new PathFigure();
pathFigure.StartPoint = startPoint;
ArcSegment arcSeg = new ArcSegment();
arcSeg.Point = endPoint;
arcSeg.Size = new Size(25, 25);
arcSeg.IsLargeArc = true;
arcSeg.SweepDirection = SweepDirection.Clockwise;
arcSeg.RotationAngle = 90;
var arrowhead = new Polygon();
arrowhead.Stroke = Brushes.Black;
arrowhead.StrokeThickness = 2;
arrowhead.Points.Add(new Point(endPoint.X - 4, endPoint.Y));
arrowhead.Points.Add(new Point(endPoint.X + 4, endPoint.Y + 3));
arrowhead.Points.Add(new Point(endPoint.X + 4, endPoint.Y - 3));
arrowhead.Fill = Brushes.Black;
PathSegmentCollection myPathSegmentCollection = new PathSegmentCollection();
myPathSegmentCollection.Add(arcSeg);
pathFigure.Segments = myPathSegmentCollection;
_pathFigureCollection.Add(pathFigure);
_root.Children.Add(arrowhead);
return pathFigure;
}
// Constructor
public SineCurve()
{
polyLineSegment = new PolyLineSegment();
PathFigure = new PathFigure(new Point(), new PathSegment[] { polyLineSegment }, false);
pathGeometry = new PathGeometry(new PathFigure[] { PathFigure });
OnRedrawPropertyChanged(new DependencyPropertyChangedEventArgs());
}
public geometryLine(Canvas cvs)
{
rootPanel = cvs;
//myPathFigure = new PathFigure();
myPathGeometry = new PathGeometry();
//myPathGeometry.Figures.Add(myPathFigure);
myPath = new Path();
myPath.Stroke = Brushes.Blue;
myPath.StrokeThickness = 1;
myPath.Data = myPathGeometry;
rootPanel.Children.Add(myPath);
myPathFigureOld = new PathFigure();
myPathGeometryOld = new PathGeometry();
myPathGeometryOld.Figures.Add(myPathFigureOld);
myPathOld = new Path();
myPathOld.Stroke = Brushes.Blue;
myPathOld.StrokeThickness = 1;
myPathOld.Data = myPathGeometryOld;
rootPanel.Children.Add(myPathOld);
myPathFigureTest = new PathFigure();
myPathGeometry.Figures.Add(myPathFigureTest);
isFirstPoint = true;
}
private void SetPlayShape()
{
play.Children.Clear ();
Path p = new Path();
PathGeometry geometry = new PathGeometry ();
PathFigure f = new PathFigure ();
f.Segments = new PathSegmentCollection ();
p.Data = geometry;
p.Fill = new SolidColorBrush(Colors.Red);
p.Stroke = new SolidColorBrush(Colors.Black);
geometry.Figures = new PathFigureCollection ();
geometry.Figures.Add(f);
LineSegment m = new LineSegment();
m.Point = new Point(3, 2);
f.Segments.Add(m);
m = new LineSegment();
m.Point = new Point(14, 8.5);
f.Segments.Add(m);
m = new LineSegment();
m.Point = new Point(3, 15);
f.Segments.Add(m);
m = new LineSegment();
m.Point = new Point(3, 2);
f.Segments.Add(m);
play.Children.Add(p);
}
public Geometry GetShapeGeometry()
{
PathFigure outer = new PathFigure();
outer.IsClosed = true;
outer.StartPoint = new Point(0, 2.5);
outer.Segments.Add(new LineSegment() { Point = new Point(2.5, 0) });
outer.Segments.Add(new LineSegment() { Point = new Point(5, 2.5) });
outer.Segments.Add(new LineSegment() { Point = new Point(7.5, 0) });
outer.Segments.Add(new LineSegment() { Point = new Point(10, 2.5) });
outer.Segments.Add(new LineSegment() { Point = new Point(9, 3.5) });
outer.Segments.Add(new LineSegment() { Point = new Point(7.5, 2) });
outer.Segments.Add(new LineSegment() { Point = new Point(6, 3.5) });
outer.Segments.Add(new LineSegment() { Point = new Point(8.5, 6) });
outer.Segments.Add(new LineSegment() { Point = new Point(5, 9.5) });
outer.Segments.Add(new LineSegment() { Point = new Point(1.5, 6) });
outer.Segments.Add(new LineSegment() { Point = new Point(4, 3.5) });
outer.Segments.Add(new LineSegment() { Point = new Point(2.5, 2) });
outer.Segments.Add(new LineSegment() { Point = new Point(1, 3.5) });
PathFigure inner = new PathFigure();
inner.StartPoint = new Point(3.5, 6);
inner.IsClosed = true;
inner.Segments.Add(new LineSegment() { Point = new Point(5, 7.5) });
inner.Segments.Add(new LineSegment() { Point = new Point(6.5, 6) });
inner.Segments.Add(new LineSegment() { Point = new Point(5, 4.5) });
PathGeometry logoGeometry = new PathGeometry();
logoGeometry.Figures.Add(inner);
logoGeometry.Figures.Add(outer);
return logoGeometry;
}
internal static double GetPathFigureLength(PathFigure pathFigure)
{
if (pathFigure == null)
return 0;
var isAlreadyFlattened = pathFigure.Segments.All(pathSegment => (pathSegment is PolyLineSegment) || (pathSegment is LineSegment));
var pathFigureFlattened = isAlreadyFlattened ? pathFigure : pathFigure.GetFlattenedPathFigure();
double length = 0;
var pt1 = pathFigureFlattened.StartPoint;
foreach (var pathSegment in pathFigureFlattened.Segments)
{
if (pathSegment is LineSegment)
{
var pt2 = ((LineSegment)pathSegment).Point;
length += (pt2 - pt1).Length;
pt1 = pt2;
}
else if (pathSegment is PolyLineSegment)
{
var pointCollection = ((PolyLineSegment)pathSegment).Points;
foreach (var pt2 in pointCollection)
{
length += (pt2 - pt1).Length;
pt1 = pt2;
}
}
}
return length;
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.MainPath = ((System.Windows.Shapes.Path)(target));
#line 14 "..\..\..\PiePiece.xaml"
this.MainPath.MouseEnter += new System.Windows.Input.MouseEventHandler(this.Path_MouseEnter);
#line default
#line hidden
#line 14 "..\..\..\PiePiece.xaml"
this.MainPath.MouseLeave += new System.Windows.Input.MouseEventHandler(this.Path_MouseLeave);
#line default
#line hidden
return;
case 2:
this.Geometry = ((System.Windows.Media.PathFigure)(target));
return;
case 3:
this.SectorRotation = ((System.Windows.Media.RotateTransform)(target));
return;
}
this._contentLoaded = true;
}
/// <summary>
/// This is where the arrow shape is created.
/// </summary>
/// <returns></returns>
private Geometry CreateShape()
{
double width = _rect.Width;
double height = _rect.Height;
double borderOffset = GetStrokeThickness() / 2d;
PathGeometry g = new PathGeometry();
PathFigure figure = new PathFigure();
figure.IsClosed = true;
figure.StartPoint = new Point(borderOffset, borderOffset);
figure.Segments.Add(new LineSegment(new Point(width - TipOffset + borderOffset, borderOffset), true));
figure.Segments.Add(new LineSegment(new Point(width + borderOffset, height / 2d + borderOffset), true));
figure.Segments.Add(new LineSegment(new Point(width + borderOffset - TipOffset, height + borderOffset), true));
figure.Segments.Add(new LineSegment(new Point(borderOffset, height + borderOffset), true));
g.Figures.Add(figure);
return g;
}
/// <summary>
/// Returns a Windows Media Path Geometry from a Rhinocommon Arc
/// </summary>
/// <param name="input">Rhinocommon Arc</param>
/// <returns>System Windows Media Path Geometry</returns>
public static Sm.PathGeometry ToGeometry(this Rg.Arc input)
{
Sm.ArcSegment arc = new Sm.ArcSegment();
Sm.PathFigure figure = new Sm.PathFigure();
Sm.PathGeometry geometry = new Sm.PathGeometry();
Sm.PathFigureCollection figureCollection = new Sm.PathFigureCollection();
Sm.PathSegmentCollection segmentCollection = new Sm.PathSegmentCollection();
figure.StartPoint = input.StartPoint.ToWindowsPoint();
arc.Point = input.EndPoint.ToWindowsPoint();
arc.Size = new Sw.Size(input.Radius, input.Radius);
if (Rg.Vector3d.VectorAngle(input.Plane.Normal, Rg.Vector3d.ZAxis) > 0)
{
arc.SweepDirection = Sm.SweepDirection.Counterclockwise;
}
else
{
arc.SweepDirection = Sm.SweepDirection.Clockwise;
}
arc.IsLargeArc = (input.Angle > Math.PI);
segmentCollection.Add(arc);
figure.Segments = segmentCollection;
figureCollection.Add(figure);
geometry.Figures = figureCollection;
return(geometry);
}
//private WpfPoint _lastPoint;
//internal void AddToRing(WpfPoint p, ref GraphicsPath ringPath)
//{
// if (ringPath == null)
// {
// ringPath = new GraphicsPath(FillMode.Alternate);
// ringPath.StartFigure();
// }
// else
// {
// ringPath.AddLine(_lastPoint, p);
// }
// _lastPoint = p;
//}
//internal void EndRing(GraphicsPath ringPath)
//{
// ringPath.CloseFigure();
// if (Path == null)
// Path = ringPath;
// else
// Path.AddPath(ringPath, false);
//}
///<summary>
/// Adds a <see cref="PathFigure"/> representing a polygon ring
/// having the given coordinate sequence to the supplied <see cref="pathGeometry"/>
///</summary>
///<param name="pathGeometry">The path geometry.</param>
///<param name="coordinates">A coordinate sequence</param>
///<returns>The path for the coordinate sequence</returns>
private static void AddRing(PathGeometry pathGeometry, Coordinate[] coordinates)
{
if (coordinates.Length <= 0)
return;
var figure = new PathFigure(ToPoint(coordinates[0]), ToPathSegments(coordinates), true);
pathGeometry.Figures.Add(figure);
}
public static Tuple<Path, PathFigure, ArcSegment> CreateArcShape()
{
var arcSegment = new ArcSegment()
{
SweepDirection = SweepDirection.Counterclockwise,
RotationAngle = 0
};
var figure = new PathFigure()
{
IsClosed = false,
IsFilled = false,
Segments = new PathSegmentCollection()
{
arcSegment
}
};
var path = new Path()
{
Data = new PathGeometry()
{
Figures = new PathFigureCollection()
{
figure
}
},
Stroke = new SolidColorBrush(Colors.Black),
StrokeThickness = 1
};
return Tuple.Create(path, figure, arcSegment);
}
public PathGeometry GetPathGeometry(bool IsStroke, bool smoothe)
{
PathFigure pf = new PathFigure() { StartPoint = FirstPoint, IsClosed = true };
pf.Segments.AddCollection(GetSlicePathSegments(IsStroke, smoothe));
var l = new List<PathFigure>(); l.Add(pf);
return new PathGeometry(l);
}
/// <summary>
/// Convert a Nucleus line to a WPF PathFigure
/// </summary>
/// <param name="line"></param>
/// <returns></returns>
public static Media.PathFigure Convert(Line line)
{
Media.PathFigure result = new Media.PathFigure();
result.StartPoint = Convert(line.StartPoint);
result.Segments.Add(new Media.LineSegment(Convert(line.EndPoint), true));
return(result);
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.canvas = ((System.Windows.Controls.Canvas)(target));
return;
case 2:
this.rangeStart = ((System.Windows.Media.PathFigure)(target));
return;
case 3:
this.rangeMiddle = ((System.Windows.Media.LineSegment)(target));
return;
case 4:
this.rangeEnd = ((System.Windows.Media.LineSegment)(target));
return;
case 5:
this.rangeSector = ((System.Windows.Shapes.Ellipse)(target));
return;
case 6:
this.rangeBorder = ((System.Windows.Shapes.Ellipse)(target));
return;
case 7:
this.dialProxy = ((System.Windows.Shapes.Ellipse)(target));
return;
}
this._contentLoaded = true;
}
private void AddCircularArcGraph(Point startPoint, Point endPoint, Size size)
{
PathFigure pf = new PathFigure();
pf.StartPoint = new Point(startPoint.X, startPoint.Y);
ArcSegment arcSegment = new ArcSegment();
arcSegment.Point = new Point(endPoint.X, endPoint.Y);
arcSegment.Size = size;
arcSegment.SweepDirection = SweepDirection.Counterclockwise;
PathSegmentCollection psc = new PathSegmentCollection();
psc.Add(arcSegment);
pf.Segments = psc;
PathFigureCollection pfc = new PathFigureCollection();
pfc.Add(pf);
PathGeometry pg = new PathGeometry();
pg.Figures = pfc;
var path = new Path();
path.Stroke = Brushes.Black;
path.StrokeThickness = 1;
path.Data = pg;
path.Fill = Brushes.Orange;
path.Stretch = Stretch.Fill;
var viewportPanel = new ViewportHostPanel();
ViewportPanel.SetViewportBounds(path, new DataRect(0, 0, 50, 50));
viewportPanel.Children.Add(path);
plotter.Children.Add(viewportPanel);
}
void StartNewFigure(Point startPoint)
{
figure = new swm.PathFigure();
figure.StartPoint = Generator.Convert(startPoint);
figure.Segments = new swm.PathSegmentCollection();
Control.Figures.Add(figure);
}
/// <summary>
/// Convert a Nucleus arc into a WPF PathFigure
/// </summary>
/// <param name="arc"></param>
/// <returns></returns>
public static Media.PathFigure Convert(Arc arc)
{
Media.PathFigure result = new Media.PathFigure();
result.StartPoint = Convert(arc.StartPoint);
double radius = arc.Circle.Radius;
if (arc.Closed)
{
//Circle!
result.Segments.Add(new Media.ArcSegment(Convert(arc.PointAt(0.5)), new W.Size(radius, radius), 0, true,
Media.SweepDirection.Clockwise, true));
result.Segments.Add(new Media.ArcSegment(Convert(arc.EndPoint), new W.Size(radius, radius), 0, false,
Media.SweepDirection.Clockwise, true));
}
else
{
bool largeArc = arc.RadianMeasure.IsReflex;
Media.SweepDirection dir = Media.SweepDirection.Clockwise;
if (!arc.IsClockwise)
{
dir = Media.SweepDirection.Counterclockwise;
}
result.Segments.Add(new Media.ArcSegment(Convert(arc.EndPoint), new W.Size(radius, radius), 0, largeArc, dir, true));
}
return(result);
}
/// <summary>
/// Draw Control
/// </summary>
/// <param name="Element"></param>
/// <param name="ValueToSet"></param>
/// <param name="IsFront"></param>
public static void SetValue(ref System.Windows.Shapes.Path Element,
double ValueToSet,
bool IsFront)
{
double Thick = Element.StrokeThickness / 2d;
var Fig = new System.Windows.Media.PathFigure()
{
StartPoint = new Point(
Element.Width / 2,
Element.Height - Thick)//Draw the circle from bottom to up side.
};
double Angle = CalcAngle(ValueToSet);
double Radius = (Element.Width / 2) - Thick;
var EndPoint = CalcEndPoint(Angle, Radius);
bool IsLargeArcFlg = Angle >= STRAIGHT_ANGLE;
// Create Draw Control.
var Seg = new ArcSegment()
{
Point = new Point(EndPoint.X + Thick, EndPoint.Y + Thick),
Size = new Size(Radius, Radius),
IsLargeArc = IsFront ? IsLargeArcFlg : !IsLargeArcFlg,
SweepDirection = IsFront ? SweepDirection.Clockwise
: SweepDirection.Counterclockwise,
RotationAngle = 0
};
//Setup control.
Fig.Segments.Clear();
Fig.Segments.Add(Seg);
Element.Data = new PathGeometry(new PathFigure[] { Fig });
}
public static m.PathGeometry InvertHorizontally(m.PathGeometry toInvert, double maxHeight)
{
toInvert = toInvert.GetFlattenedPathGeometry(1, m.ToleranceType.Absolute);
m.PathGeometry toReturn = new m.PathGeometry();
foreach (m.PathFigure oldPf in toInvert.Figures)
{
m.PathFigure newPf = new m.PathFigure();
Point newStartPoint = oldPf.StartPoint;
newStartPoint.Y = maxHeight - newStartPoint.Y;
newStartPoint.X = newStartPoint.X;
newPf.StartPoint = newStartPoint;
foreach (m.PathSegment oldPs in oldPf.Segments)
{
m.PathSegment newPs = new m.PolyLineSegment();
foreach (Point point in ((m.PolyLineSegment)oldPs).Points)
{
Point tmp = point;
tmp.Y = maxHeight - tmp.Y;
((m.PolyLineSegment)newPs).Points.Add(tmp);
}
newPf.Segments.Add(newPs);
}
toReturn.Figures.Add(newPf);
}
return(toReturn);
}
public Superposition()
{
InitializeComponent();
PathGeometry pathGeometry = new PathGeometry();
PathFigure pathFigure = new PathFigure();
pathFigure.StartPoint = new Point(0,0);
PathSegmentCollection pathSegmentCollection = new PathSegmentCollection();
int maxHeight = (int)this.Height;
int maxWidth = (int)this.Width;
Random rand = new Random();
for (int i = 0; i < 500; i++)
{
LineSegment newSegment = new LineSegment();
newSegment.Point = new Point(rand.Next(0, maxWidth), rand.Next(0, maxHeight));
pathSegmentCollection.Add(newSegment);
}
pathFigure.Segments = pathSegmentCollection;
pathGeometry.Figures.Add(pathFigure);
pathBackground.Data = pathGeometry;
}
public static m.PathGeometry CloseAllPathGeometries(m.PathGeometry toClose)
{
toClose = toClose.GetFlattenedPathGeometry(1, m.ToleranceType.Absolute);
m.PathGeometry toReturn = new m.PathGeometry();
foreach (m.PathFigure oldPf in toClose.Figures)
{
m.PathFigure newPf = new m.PathFigure {
StartPoint = oldPf.StartPoint
};
foreach (m.PathSegment oldPs in oldPf.Segments)
{
m.PathSegment newPs = new m.PolyLineSegment();
foreach (Point point in ((m.PolyLineSegment)oldPs).Points)
{
((m.PolyLineSegment)newPs).Points.Add(point);
}
((m.PolyLineSegment)newPs).Points.Add(((m.PolyLineSegment)newPs).Points[0]);
newPf.Segments.Add(newPs);
}
toReturn.Figures.Add(newPf);
}
return(toReturn);
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.userControl = ((WPFPageSwitch.Views.CircularProgressBar)(target));
return;
case 2:
this.LayoutRoot = ((System.Windows.Controls.Grid)(target));
return;
case 3:
this.pathRoot = ((System.Windows.Shapes.Path)(target));
return;
case 4:
this.pathFigure = ((System.Windows.Media.PathFigure)(target));
return;
case 5:
this.arcSegment = ((System.Windows.Media.ArcSegment)(target));
return;
}
this._contentLoaded = true;
}
private void DrawPath(IEnumerable<Vector2> path)
{
if (!path.Any())
throw new ArgumentException("Path cannot be empty.");
var figure = new PathFigure();
var start = path.First();
figure.StartPoint = PointFromVector(start);
foreach (var vector in path.Skip(1))
{
var point = PointFromVector(vector);
figure.Segments.Add(new LineSegment(point, true));
}
var geometry = new PathGeometry();
geometry.Figures.Add(figure);
var pathImage = new Path()
{
Stroke = Brushes.Black,
StrokeThickness = 3,
Data = geometry
};
mainCanvas.Children.Add(pathImage);
}
public PathFigure GetPathFigure(Point start, Point end)
{
var tickFigure = new PathFigure();
tickFigure.StartPoint = start;
tickFigure.Segments.Add(new LineSegment { Point = end });
return tickFigure;
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.anglePath = ((System.Windows.Shapes.Path)(target));
return;
case 2:
this.angleFigure = ((System.Windows.Media.PathFigure)(target));
return;
case 3:
this.line1 = ((System.Windows.Media.LineSegment)(target));
return;
case 4:
this.line2 = ((System.Windows.Media.LineSegment)(target));
return;
case 5:
this.arc = ((System.Windows.Media.ArcSegment)(target));
return;
}
this._contentLoaded = true;
}
public Triangle()
{
InitializeComponent();
l1 = new LineSegment();
l2 = new LineSegment();
f = new PathFigure();
f.Segments.Add(l1);
f.Segments.Add(l2);
f.IsClosed = true;
PathGeometry g = new PathGeometry();
g.Figures.Add(f);
Path p = new Path();
this.SetBinding(FillProperty, new Binding("Fill") { Source = p, Mode = BindingMode.TwoWay });
this.SetBinding(StrokeProperty, new Binding("Stroke") { Source = p, Mode = BindingMode.TwoWay });
this.SetBinding(StrokeThicknessProperty, new Binding("StrokeThickness") { Source = p, Mode = BindingMode.TwoWay });
p.Data = g;
this.Fill = new SolidColorBrush(Colors.White);
this.Stroke = new SolidColorBrush(Colors.Black);
this.LayoutRoot.Children.Add(p);
}
private void RenderPolygon(DrawingContext drawingContext)
{
var fillBrush = Brushes.LawnGreen;
var borderPen = new Pen(Brushes.Black,1.0);
PathFigure myPathFigure = new PathFigure();
myPathFigure.StartPoint = maxPoints[0];
//PolyLineSegment seg = new PolyLineSegment(
PathSegmentCollection myPathSegmentCollection = new PathSegmentCollection();
for (int i = 1; i < maxPoints.Count; i++)
{
myPathSegmentCollection.Add(new LineSegment(maxPoints[i], true));
}
for (int i = minPoints.Count - 1; i >= 0; i--)
{
myPathSegmentCollection.Add(new LineSegment(minPoints[i], true));
}
myPathFigure.Segments = myPathSegmentCollection;
PathGeometry myPathGeometry = new PathGeometry();
myPathGeometry.Figures.Add(myPathFigure);
drawingContext.DrawGeometry(fillBrush, borderPen, myPathGeometry);
}
/* 将相邻两点连线
protected override void OnRender(DrawingContext dc)
{
if (InternalChildren.Count < 2)
{
base.OnRender(dc);
return;
}
Point? StartPoint = null;
Point? EndPoint = null;
for (int index = 0; index < InternalChildren.Count; index++)
{
UIElement CurChhild = this.Children[index];
Vector CurV = VisualTreeHelper.GetOffset(CurChhild);
if (index == 0)
StartPoint = new Point(CurV.X + CurChhild.RenderSize.Width / 2, CurV.Y + CurChhild.RenderSize.Height / 2);
else
EndPoint = new Point(CurV.X + CurChhild.RenderSize.Width / 2, CurV.Y + CurChhild.RenderSize.Height / 2);
if (StartPoint != null && EndPoint != null)
{
dc.DrawLine(new Pen(LineBrush, 1.0), StartPoint.Value, EndPoint.Value);
StartPoint = EndPoint;
}
}
}
*/
// 由LineSegment连接相邻两点并最终构成Path
protected override void OnRender(DrawingContext dc)
{
if (InternalChildren.Count < 2)
{
base.OnRender(dc);
return;
}
PathSegmentCollection segmentCollection = new PathSegmentCollection();
PathFigure pathFigure = new PathFigure() { Segments = segmentCollection };
for (int index = 0; index < InternalChildren.Count; index++)
{
UIElement CurChhild = this.Children[index];
Vector CurV = VisualTreeHelper.GetOffset(CurChhild);
if (index == 0)
pathFigure.StartPoint = new Point(CurV.X + CurChhild.RenderSize.Width / 2, CurV.Y + CurChhild.RenderSize.Height / 2);
else
segmentCollection.Add(new LineSegment() { Point = new Point(CurV.X + CurChhild.RenderSize.Width / 2, CurV.Y + CurChhild.RenderSize.Height / 2) });
}
PathGeometry pathGeometry = new PathGeometry() { Figures = new PathFigureCollection() { pathFigure } };
dc.DrawGeometry(Brushes.Transparent, new Pen(LineBrush, 1.0), pathGeometry);
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
var partPath = this.GetTemplateChild("PART_Path") as Path;
if (partPath != null)
{
var pathGeometry = new PathGeometry();
var ellipsePathFigure = new PathFigure() { StartPoint = new Point(0, 20) };
ellipsePathFigure.Segments = new PathSegmentCollection();
ellipsePathFigure.Segments.Add(new ArcSegment()
{
Size = new Size(5.0 / 6.0 * this.Width, 25),
Point = new Point(this.Width, 20),
IsLargeArc = false,
SweepDirection = SweepDirection.Counterclockwise
});
pathGeometry.Figures.Add(ellipsePathFigure);
var linePathFigure = new PathFigure();
linePathFigure.Segments = new PathSegmentCollection();
linePathFigure.Segments.Add(new LineSegment() { Point = new Point(this.Width, 0) });
linePathFigure.Segments.Add(new LineSegment() { Point = new Point(this.Width, 20) });
linePathFigure.Segments.Add(new LineSegment() { Point = new Point(0, 20) });
pathGeometry.Figures.Add(linePathFigure);
partPath.Data = pathGeometry;
}
}
// Create the pen and triangle in a static constructor and freeze them to improve performance.
static InsertionAdorner()
{
pen = new Pen
{
Brush = Brushes.Gray,
Thickness = 2
};
pen.Freeze();
LineSegment firstLine = new LineSegment(new Point(0, -5), false);
firstLine.Freeze();
LineSegment secondLine = new LineSegment(new Point(0, 5), false);
secondLine.Freeze();
PathFigure figure = new PathFigure
{
StartPoint = new Point(5, 0)
};
figure.Segments.Add(firstLine);
figure.Segments.Add(secondLine);
figure.Freeze();
triangle = new PathGeometry();
triangle.Figures.Add(figure);
triangle.Freeze();
}
internal static void DrawUnderlyingPolyline(PathGeometry pg, DEdge edge)
{
IEnumerable<WinPoint> points = edge.GeometryEdge.UnderlyingPolyline.Select(p => WinPoint(p));
PathFigure pf = new PathFigure() { IsFilled = false, IsClosed = false, StartPoint = points.First() };
foreach (WinPoint p in points)
{
if (p != points.First())
pf.Segments.Add(new WinLineSegment() { Point = p });
PathFigure circle = new PathFigure() { IsFilled = false, IsClosed = true, StartPoint = new WinPoint(p.X - edge.RadiusOfPolylineCorner, p.Y) };
circle.Segments.Add(
new ArcSegment()
{
Size = new WinSize(edge.RadiusOfPolylineCorner, edge.RadiusOfPolylineCorner),
SweepDirection = SweepDirection.Clockwise,
Point = new WinPoint(p.X + edge.RadiusOfPolylineCorner, p.Y)
});
circle.Segments.Add(
new ArcSegment()
{
Size = new WinSize(edge.RadiusOfPolylineCorner, edge.RadiusOfPolylineCorner),
SweepDirection = SweepDirection.Clockwise,
Point = new WinPoint(p.X - edge.RadiusOfPolylineCorner, p.Y)
});
pg.Figures.Add(circle);
}
pg.Figures.Add(pf);
}
PathGeometry CreateSplineSegment(PointCollection points)
{
if (points == null || points.Count < 1)
return null;
PathGeometry pathGeometry = new PathGeometry();
PathFigure pathFigure = new PathFigure();
PolyLineSegment polyLineSegment = new PolyLineSegment();
pathFigure.IsClosed = false;
pathFigure.IsFilled = false;
pathFigure.StartPoint = points[0];
for (int i = 1; i < points.Count; i++)
{
polyLineSegment.Points.Add(points[i]);
}
pathFigure.Segments.Add(polyLineSegment);
pathGeometry.Figures.Add(pathFigure);
//
pathFigure.Freeze();
//
return pathGeometry;
}
internal override void AddToFigure(
Matrix matrix, // The transformation matrix
PathFigure figure, // The figure to add to
ref Point current) // Out: Segment endpoint, not transformed
{
PointCollection points = Points;
if (points != null && points.Count >= 2)
{
if (matrix.IsIdentity)
{
figure.Segments.Add(this);
}
else
{
PointCollection copy = new PointCollection();
Point pt = new Point();
int count = points.Count;
for (int i=0; i<count; i++)
{
pt = points.Internal_GetItem(i);
pt *= matrix;
copy.Add(pt);
}
figure.Segments.Add(new PolyQuadraticBezierSegment(copy, IsStroked, IsSmoothJoin));
}
current = points.Internal_GetItem(points.Count - 1);
}
}
private void RenderArc(double Angle, Path pathRoot, PathFigure pathFigure, ArcSegment arcSegment)
{
Point startPoint = new Point(Radius, 0);
Point endPoint = ComputeCartesianCoordinate(Angle, Radius);
endPoint.X += Radius;
endPoint.Y += Radius;
pathRoot.Width = Radius * 2 + StrokeThickness;
pathRoot.Height = Radius * 2 + StrokeThickness;
pathRoot.Margin = new Thickness(StrokeThickness, StrokeThickness, 0, 0);
bool largeArc = Angle > 180.0;
Size outerArcSize = new Size(Radius, Radius);
pathFigure.StartPoint = startPoint;
if (startPoint.X == Math.Round(endPoint.X) && startPoint.Y == Math.Round(endPoint.Y))
{
endPoint.X -= 0.01;
}
arcSegment.Point = endPoint;
arcSegment.Size = outerArcSize;
arcSegment.IsLargeArc = largeArc;
}
public static m.PathGeometry ScalingPathGeometryOld(m.PathGeometry toDownsize, double scaling)
{
toDownsize = toDownsize.GetFlattenedPathGeometry(1, m.ToleranceType.Absolute);
m.PathGeometry toReturn = new m.PathGeometry();
foreach (m.PathFigure olfPf in toDownsize.Figures)
{
m.PathFigure newPf = new m.PathFigure();
Point newStartPoint = olfPf.StartPoint;
newStartPoint.X *= scaling;
newStartPoint.Y *= scaling;
newPf.StartPoint = newStartPoint;
foreach (m.PathSegment oldPs in olfPf.Segments)
{
m.PathSegment newPs = new m.PolyLineSegment();
foreach (Point point in ((m.PolyLineSegment)oldPs).Points)
{
Point tmp = point;
tmp.X *= scaling;
tmp.Y *= scaling;
((m.PolyLineSegment)newPs).Points.Add(tmp);
}
newPf.Segments.Add(newPs);
}
toReturn.Figures.Add(newPf);
}
return(toReturn);
}
internal static PathGeometry GetPathGeometry(ConnectorInfo source, ConnectorInfo sink)
{
var rectSource = GetRectWithMargin(source, 0);
var rectSink = GetRectWithMargin(sink, 13);
var startPoint = GetOffsetPoint(source, rectSource);
var endPoint = GetOffsetPoint(sink, rectSink);
var midpoint = CalculateMidpoint(startPoint, new Point(endPoint.X, startPoint.Y));
var distance = CalculateDistance(startPoint, midpoint);
var p1 = CalculateEndpoint(startPoint, distance, GetAngel(source.Orientation));
var p2 = CalculateEndpoint(endPoint, distance, GetAngel(sink.Orientation));
var p3 = endPoint;
var geometry = new PathGeometry();
var pathFigure = new PathFigure();
pathFigure.StartPoint = startPoint;
geometry.Figures.Add(pathFigure);
var bs = new BezierSegment(p1, p2, p3, true);
pathFigure.Segments.Add(bs);
return geometry;
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.MainGrid = ((System.Windows.Controls.Grid)(target));
return;
case 2:
this.Out = ((System.Windows.Controls.Label)(target));
return;
case 3:
this.Out1 = ((System.Windows.Controls.Label)(target));
return;
case 4:
this.MainPath = ((System.Windows.Shapes.Path)(target));
return;
case 5:
this.PerformaceStartPoint1 = ((System.Windows.Media.PathGeometry)(target));
return;
case 6:
this.PerformaceStartPoint = ((System.Windows.Media.PathFigure)(target));
return;
}
this._contentLoaded = true;
}
/// <summary>
/// 页面加载
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Page_Loaded(object sender, RoutedEventArgs e)
{
IsVirtualMark = new SolidColorBrush(Properties.Settings.Default.MarkVirtualColor);
NotVirtualMark = new SolidColorBrush(Properties.Settings.Default.MarkNotColor);
MarkDiameter = Properties.Settings.Default.MarkDiameter;
RouteColor = new SolidColorBrush(Properties.Settings.Default.RouteColor);
EVirtualMark.Fill = IsVirtualMark;
ENotVirtualMark.Fill = NotVirtualMark;
RecRoute.Fill = RouteColor;
// Create the animation path.
path = new Path();
path.Stroke = RouteColor;
path.StrokeThickness = 3;
animationPath = new PathGeometry();
pFigure = new PathFigure();
route = new PolyLineSegment();
path.Data = animationPath;
pFigure.Segments.Add(route);
animationPath.Figures.Add(pFigure);
MapInit();
//修改日期：2013-12-1
//修改日期：2013-12-30
BindWorkLineCombox();
BindLineCombox(cbRoute_WorkLine.Text.Trim());
LoadAllMark();
}
internal void DrawBezier(double thickness, Color color, Point startPoint, Point controlPoint, Point endPoint)
{
PathFigure myPathFigure = new PathFigure();
myPathFigure.StartPoint = startPoint;
BezierSegment myBezierSegment = new BezierSegment(startPoint, endPoint, controlPoint, true);
PathSegmentCollection myPathSegmentCollection = new PathSegmentCollection();
myPathSegmentCollection.Add(myBezierSegment);
myPathFigure.Segments = myPathSegmentCollection;
PathFigureCollection myPathFigureCollection = new PathFigureCollection();
myPathFigureCollection.Add(myPathFigure);
PathGeometry myPathGeometry = new PathGeometry();
myPathGeometry.Figures = myPathFigureCollection;
DrawingContext drawingContext = drawingVisual.RenderOpen();
mySolidColorBrush.Color = color;
//ApplyColortool(color.A);
pen.Brush = mySolidColorBrush;
pen.Thickness = thickness;
drawingContext.DrawGeometry(null, pen, myPathGeometry);
drawingContext.Close();
image.Render(drawingVisual);
}
/// <summary>
/// 通过点的集合获取三次贝赛尔曲线
/// </summary>
/// <param name="points"></param>
/// <returns></returns>
private SystemMedia.PathGeometry GetCurveGeometry(IEnumerable <Vector2D> points)
{
if (points == null)
{
throw new ArgumentNullException(nameof(points));
}
var screenPoints = points.Select(x => ConvertVectorToScreenPoint(x)).ToArray();
var bezier = new SystemMedia.PolyBezierSegment(screenPoints, true);
var pathFigure = new SystemMedia.PathFigure();
var pathGeometry = new SystemMedia.PathGeometry();
pathFigure.Segments.Add(bezier);
pathGeometry.Figures.Add(pathFigure);
if (screenPoints.Length >= 1)
{
pathFigure.StartPoint = screenPoints[0];
//因为此处使用的三次贝塞尔曲线要求点的数量为3的倍数,所以在未能正处情况下,重复最后一项至下一个三的倍数;
var repeatCount = (3 - (screenPoints.Length % 3)) % 3;
var lastScreenPoint = screenPoints[screenPoints.Length - 1];
for (int i = 0; i < repeatCount; i++)
{
bezier.Points.Add(lastScreenPoint);
}
}
return(pathGeometry);
}
protected override void UpdateUIRepresentationCore()
{
var transform = Plotter.Viewport.Transform;
PathGeometry geometry = PathGeometry;
PointCollection points = Points;
geometry.Clear();
if (points == null) { }
else
{
PathFigure figure = new PathFigure();
if (points.Count > 0)
{
figure.StartPoint = points[0].DataToScreen(transform);
if (points.Count > 1)
{
Point[] pointArray = new Point[points.Count - 1];
for (int i = 1; i < points.Count; i++)
{
pointArray[i - 1] = points[i].DataToScreen(transform);
}
figure.Segments.Add(new PolyLineSegment(pointArray, true));
figure.IsClosed = true;
}
}
geometry.Figures.Add(figure);
geometry.FillRule = this.FillRule;
}
}
public static void UserDrawRoutesWPF(Route Route, DrawingContext dc, System.Windows.Media.Color color)
{
System.Windows.Point[] m_ScreenPnts = null;
int PixelX = 0;
int PixelY = 0;
if (Route == null)
{
return;
}
if (Route.Points.Count() == 0)
{
return;
}
System.Windows.Media.SolidColorBrush curBrush = new System.Windows.Media.SolidColorBrush();
curBrush.Color = color;// System.Windows.Media.Colors.Gold;
System.Windows.Media.Pen pen = new System.Windows.Media.Pen(curBrush, 3);
// m_ScreenPnts = new System.Windows.Point[Route.arr_legs.Length + 1];
m_ScreenPnts = new System.Windows.Point[Route.Points.Count()];
//VMMainViewModel.Instance.ConvertCoordGroundToPixel(Route.arr_legs[0].FromLongn, Route.arr_legs[0].FromLatn, ref PixelX, ref PixelY);
//m_ScreenPnts[0].X = PixelX;
//m_ScreenPnts[0].Y = PixelY;
for (int i = 0; i < Route.Points.Count(); i++)
{
//VMMainViewModel.Instance.ConvertCoordGroundToPixel(Route.arr_legs[i].ToLongn, Route.arr_legs[i].ToLatn, ref PixelX, ref PixelY);
//m_ScreenPnts[i + 1].X = PixelX;
//m_ScreenPnts[i + 1].Y = PixelY;
VMMainViewModel.Instance.ConvertCoordGroundToPixel(Route.Points[i].X, Route.Points[i].Y, ref PixelX, ref PixelY);
m_ScreenPnts[i].X = PixelX;
m_ScreenPnts[i].Y = PixelY;
}
System.Windows.Media.PathGeometry PathGmtr = new System.Windows.Media.PathGeometry();
System.Windows.Media.PathFigure pathFigure = new System.Windows.Media.PathFigure();
System.Windows.Media.PolyLineSegment myPolyLineSegment = new System.Windows.Media.PolyLineSegment();
System.Windows.Media.PointCollection pc = new System.Windows.Media.PointCollection(m_ScreenPnts);
myPolyLineSegment.Points = pc;
pathFigure.StartPoint = m_ScreenPnts[0];
pathFigure.Segments.Add(myPolyLineSegment);
PathGmtr.Figures.Add(pathFigure);
dc.DrawGeometry(null, pen, PathGmtr);
}
public void CloseFigure()
{
if (figure != null)
{
if (!(figure.Segments.Count == 1 && figure.Segments[0] is swm.LineSegment))
{
figure.IsClosed = true;
}
}
figure = null;
}
public void AddPath(IGraphicsPath path, bool connect = false)
{
if (path.IsEmpty)
{
return;
}
var wpfPath = path.ToWpf();
if (!wpfPath.Transform.Value.IsIdentity)
{
var newpath = new swm.PathGeometry();
newpath.AddGeometry(wpfPath);
wpfPath = newpath;
}
var en = wpfPath.Figures.GetEnumerator();
if (connect)
{
// merge current figure (if any) and first figure of new path, if they are not closed paths
if (figure != null && !figure.IsClosed && en.MoveNext())
{
var firstFigure = en.Current;
if (!firstFigure.IsClosed)
{
figure.Segments.Add(new swm.LineSegment(firstFigure.StartPoint, true));
foreach (var seg in firstFigure.Segments)
{
figure.Segments.Add(seg);
}
}
else
{
Control.Figures.Add(firstFigure);
}
}
}
swm.PathFigure pathFigure = null;
while (en.MoveNext())
{
pathFigure = en.Current;
Control.Figures.Add(pathFigure);
}
// continue with last figure of new path if not closed
if (pathFigure != null && !pathFigure.IsClosed)
{
figure = pathFigure;
}
else
{
figure = null;
}
}
private void DrawLineCurveInternal(DrawingContext dc, double half, Pen pen, LineShape line, ref Point pt1, ref Point pt2, double dx, double dy)
{
double p1x = pt1.X;
double p1y = pt1.Y;
double p2x = pt2.X;
double p2y = pt2.Y;
LineShapeExtensions.GetCurvedLineBezierControlPoints(
line.Style.LineStyle.CurveOrientation,
line.Style.LineStyle.Curvature,
line.Start.Alignment,
line.End.Alignment,
ref p1x, ref p1y,
ref p2x, ref p2y);
System.Windows.Media.PathGeometry pg = _curvedLineCache.Get(line);
if (pg != null)
{
var pf = pg.Figures[0];
pf.StartPoint = new Point(pt1.X + dx, pt1.Y + dy);
pf.IsFilled = false;
var bs = pf.Segments[0] as BezierSegment;
bs.Point1 = new Point(p1x + dx, p1y + dy);
bs.Point2 = new Point(p2x + dx, p2y + dy);
bs.Point3 = new Point(pt2.X + dx, pt2.Y + dy);
bs.IsStroked = line.IsStroked;
}
else
{
var pf = new System.Windows.Media.PathFigure()
{
StartPoint = new Point(pt1.X + dx, pt1.Y + dy),
IsFilled = false
};
var bs = new BezierSegment(
new Point(p1x + dx, p1y + dy),
new Point(p2x + dx, p2y + dy),
new Point(pt2.X + dx, pt2.Y + dy),
line.IsStroked);
//bs.Freeze();
pf.Segments.Add(bs);
//pf.Freeze();
pg = new System.Windows.Media.PathGeometry();
pg.Figures.Add(pf);
//pg.Freeze();
_curvedLineCache.Set(line, pg);
}
DrawPathGeometryInternal(dc, half, null, pen, line.IsStroked, false, pg);
}
/// <summary>
/// 得到圆弧的几何图形;
/// </summary>
/// <param name="center"></param>
/// <param name="screenRadius"></param>
/// <param name="beginAngle"></param>
/// <param name="angle"></param>
/// <param name="smallAngle"></param>
/// <returns></returns>
private static SystemMedia.PathGeometry GetArcGeometry(Point startScreenPoint, Point endScreenPoint, double screenRadius, bool smallAngle, SystemMedia.SweepDirection sweepDirection)
{
var arcSegment = new SystemMedia.ArcSegment(endScreenPoint, new System.Windows.Size(screenRadius, screenRadius), 0D, !smallAngle, sweepDirection, true);
var segments = new SystemMedia.PathSegment[] { arcSegment };
var pathFigure = new SystemMedia.PathFigure(startScreenPoint, segments, false);
var figures = new SystemMedia.PathFigure[] { pathFigure };
arcSegment.Freeze();
pathFigure.Freeze();
return(new SystemMedia.PathGeometry(figures, SystemMedia.FillRule.EvenOdd, null));
}
void ConnectTo(sw.Point startPoint, bool startNewFigure = false)
{
if (startNewFigure || figure == null)
{
figure = new swm.PathFigure();
figure.StartPoint = startPoint;
figure.Segments = new swm.PathSegmentCollection();
Control.Figures.Add(figure);
}
else
{
figure.Segments.Add(new swm.LineSegment(startPoint, true));
}
}
/// <summary>
/// 直接根据视图位置,绘制WPF封闭区域;
/// </summary>
/// <param name="screenPoints"></param>
/// <param name="brush"></param>
/// <param name="pen"></param>
private void NativeDrawFill(IEnumerable <Point> screenPoints, SystemMedia.Brush brush, SystemMedia.Pen pen)
{
if (screenPoints == null)
{
throw new ArgumentNullException(nameof(screenPoints));
}
if (pen == null)
{
throw new ArgumentNullException(nameof(pen));
}
ValidateDrawingContext();
pen.Freeze();
//操作SystemMedia.PathGeometry中的Figures以绘制(封闭)区域
var paths = new SystemMedia.PathGeometry();
var pfc = new SystemMedia.PathFigureCollection();
var pf = new SystemMedia.PathFigure();
pfc.Add(pf);
//存储一个点表示当前的PathFigure的StartPoint是否被指定;
var startPointSet = false;
foreach (var p in screenPoints)
{
//若StartPoint未被设定(第一个节点),设定后继续下一次循环;
if (!startPointSet)
{
pf.StartPoint = p;
startPointSet = true;
continue;
}
//若若StartPoint被设定,则加入线段;
var ps = new SystemMedia.LineSegment();
ps.Point = p;
pf.Segments.Add(ps);
}
pf.IsClosed = true;
paths.Figures = pfc;
DrawingContext.DrawGeometry(brush, pen, paths);
}
/// <summary>
/// Convert a Nucleus PolyLine into a WPF PathFigure
/// </summary>
/// <param name="polyLine"></param>
/// <returns></returns>
public static Media.PathFigure Convert(PolyLine polyLine)
{
Media.PathFigure result = new Media.PathFigure();
result.StartPoint = Convert(polyLine.StartPoint);
for (int i = 1; i < polyLine.Vertices.Count; i++)
{
Vertex v = polyLine.Vertices[i];
result.Segments.Add(new Media.LineSegment(Convert(v.Position), true));
}
if (polyLine.Closed && polyLine.Vertices.Count > 0)
{
result.Segments.Add(new Media.LineSegment(Convert(polyLine.Vertices[0].Position), true));
}
return(result);
}
public static m.PathGeometry ScalingPathGeometry(m.PathGeometry toScale, double scaling, bool scaleAtZero = false)
{
toScale = toScale.GetFlattenedPathGeometry(1, m.ToleranceType.Absolute);
Point pointToScale = new Point();
if (scaleAtZero)
{
pointToScale = new Point(0, 0);
}
else
{
Rect rect = GetMinimalMaxRect(toScale, 0);
pointToScale = rect.BottomLeft;
}
m.PathGeometry toReturn = new m.PathGeometry();
foreach (m.PathFigure olfPf in toScale.Figures)
{
m.PathFigure newPf = new m.PathFigure();
Point newStartPoint = olfPf.StartPoint;
newStartPoint.X = (newStartPoint.X - pointToScale.X) * scaling + pointToScale.X;
newStartPoint.Y = (newStartPoint.Y - pointToScale.Y) * scaling + pointToScale.Y;
newPf.StartPoint = newStartPoint;
foreach (m.PathSegment oldPs in olfPf.Segments)
{
m.PathSegment newPs = new m.PolyLineSegment();
foreach (Point point in ((m.PolyLineSegment)oldPs).Points)
{
Point tmp = point;
tmp.X = (tmp.X - pointToScale.X) * scaling + pointToScale.X;
tmp.Y = (tmp.Y - pointToScale.Y) * scaling + pointToScale.Y;
((m.PolyLineSegment)newPs).Points.Add(tmp);
}
newPf.Segments.Add(newPs);
}
toReturn.Figures.Add(newPf);
}
return(toReturn);
}
/// <summary>
/// Convert a Nucleus PolyCurve into a WPF PathFigure
/// </summary>
/// <param name="polyCurve"></param>
/// <returns></returns>
public static Media.PathFigure Convert(PolyCurve polyCurve)
{
Media.PathFigure result = new Media.PathFigure();
if (polyCurve.SubCurves.Count > 0)
{
result.StartPoint = Convert(polyCurve.StartPoint);
foreach (Curve crv in polyCurve.SubCurves)
{
if (crv is Line)
{
result.Segments.Add(new Media.LineSegment(Convert(crv.EndPoint), true));
}
else if (crv is Arc)
{
Arc arc = ((Arc)crv);
double radius = arc.Circle.Radius;
if (arc.Closed)
{
//Circle!
result.Segments.Add(new Media.ArcSegment(Convert(arc.PointAt(0.5)), new W.Size(radius, radius), 0, true,
Media.SweepDirection.Clockwise, true));
result.Segments.Add(new Media.ArcSegment(Convert(arc.EndPoint), new W.Size(radius, radius), 0, false,
Media.SweepDirection.Clockwise, true));
}
else
{
bool largeArc = arc.RadianMeasure.IsReflex;
Media.SweepDirection dir = Media.SweepDirection.Clockwise;
if (!arc.IsClockwise)
{
dir = Media.SweepDirection.Counterclockwise;
}
result.Segments.Add(new Media.ArcSegment(Convert(arc.EndPoint), new W.Size(radius, radius), 0, largeArc, dir, true));
}
}
else if (crv is PolyLine)
{
for (int i = 1; i < crv.Vertices.Count; i++)
{
Vertex v = crv.Vertices[i];
result.Segments.Add(new Media.LineSegment(Convert(v.Position), true));
}
}
}
}
return(result);
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.vis_line = ((System.Windows.Shapes.Path)(target));
return;
case 2:
this.Edg_start_point = ((System.Windows.Media.PathFigure)(target));
return;
case 3:
this.Edg_end_point = ((System.Windows.Media.LineSegment)(target));
return;
}
this._contentLoaded = true;
}
public static m.PathGeometry ListWinShapesPolyLineToPathGeometryOLD(List <shapes.Polyline> toConvert)
{
m.PathGeometry myPathGeometry = new m.PathGeometry();
foreach (shapes.Polyline polyline in toConvert)
{
m.PathFigure pf = new m.PathFigure();
m.PolyLineSegment pls = new m.PolyLineSegment();
pls.Points = polyline.Points;
pf.Segments.Add(pls);
pf.StartPoint = polyline.Points[0];
myPathGeometry.Figures.Add(pf);
}
return(myPathGeometry);
}
/// <summary>
/// Returns a Windows Media Path Geometry from a Rhinocommon Polyline
/// </summary>
/// <param name="input">Rhinocommon Polyline</param>
/// <returns>System Windows Media Path Geometry</returns>
public static Sm.PathGeometry ToGeometry(this Rg.Polyline input)
{
Sm.PathFigure figure = new Sm.PathFigure();
Sm.PathGeometry geometry = new Sm.PathGeometry();
Sm.PathFigureCollection figureCollection = new Sm.PathFigureCollection();
Sm.PathSegmentCollection segmentCollection = new Sm.PathSegmentCollection();
figure.StartPoint = input[0].ToWindowsPoint();
for (int i = 1; i < input.Count; i++)
{
Sm.LineSegment line = new Sm.LineSegment(input[i].ToWindowsPoint(), true);
segmentCollection.Add(line);
}
figure.Segments = segmentCollection;
figureCollection.Add(figure);
geometry.Figures = figureCollection;
return(geometry);
}
public static m.PathGeometry TranslatePathGeometry(m.PathGeometry toTranslate, double xOffset, double yOffset, bool textElement = false)
{
if (textElement)
{
yOffset *= -1;
}
toTranslate = toTranslate.GetFlattenedPathGeometry(1, m.ToleranceType.Absolute);
m.PathGeometry toReturn = new m.PathGeometry();
foreach (m.PathFigure oldPf in toTranslate.Figures)
{
m.PathFigure newPf = new m.PathFigure();
Point newStartPoint = oldPf.StartPoint;
newStartPoint.X = newStartPoint.X + xOffset;
newStartPoint.Y = newStartPoint.Y + yOffset;
newPf.StartPoint = newStartPoint;
foreach (m.PathSegment oldPs in oldPf.Segments)
{
m.PathSegment newPs = new m.PolyLineSegment();
foreach (Point point in ((m.PolyLineSegment)oldPs).Points)
{
Point tmp = point;
tmp.X = tmp.X + xOffset;
tmp.Y = tmp.Y + yOffset;
((m.PolyLineSegment)newPs).Points.Add(tmp);
}
newPf.Segments.Add(newPs);
}
toReturn.Figures.Add(newPf);
}
return(toReturn);
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.userControl = ((ClientForFPGAService.CircularProgressBar)(target));
return;
case 2:
this.pathRoot = ((System.Windows.Shapes.Path)(target));
return;
case 3:
this.pathFigure = ((System.Windows.Media.PathFigure)(target));
return;
case 4:
this.arcSegment = ((System.Windows.Media.ArcSegment)(target));
return;
}
this._contentLoaded = true;
}
