///<summary>
/// Creates a shape representing an <see cref="IPoint"/>.
///</summary>
public WpfGeometry CreatePoint(WpfPoint point)
{
var pointMarker = new WpfStreamGeometry();
using (var sgc = pointMarker.Open())
AddShape(point, sgc);
return(pointMarker);
}
internal static WGeometry GetICurveWpfGeometry(ICurve curve)
{
var streamGeometry = new WStreamGeometry();
using (WStreamGeometryContext context = streamGeometry.Open())
{
FillStreamGeometryContext(context, curve);
return(streamGeometry);
}
}
WGeometry DefiningSourceArrowHead()
{
var streamGeometry = new WStreamGeometry();
using (WStreamGeometryContext context = streamGeometry.Open())
{
AddArrow(context, Edge.GeometryEdge.Curve.Start, Edge.GeometryEdge.EdgeGeometry.SourceArrowhead.TipPosition, PathStrokeThickness);
return(streamGeometry);
}
}
public void StreamGeometryTriangleExample(List <System.Windows.Point> arrPoints)
{
// Create a path to draw a geometry with.
System.Windows.Shapes.Path myPath = new System.Windows.Shapes.Path();
myPath.Stroke = System.Windows.Media.Brushes.Black;
myPath.StrokeThickness = 1;
System.Windows.Media.Color cl = new System.Windows.Media.Color();
byte[] arr = new byte[4];
rand.NextBytes(arr);
//cl.A =
System.Windows.Media.Brush br = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromArgb(arr[0], arr[1], arr[2], arr[3]));
#region для заполнение разкоментировать
// myPath.Fill = br;
#endregion
// Create a StreamGeometry to use to specify myPath.
System.Windows.Media.StreamGeometry geometry = new System.Windows.Media.StreamGeometry();
// geometry.FillRule = System.Windows.Media.FillRule.EvenOdd;
// Open a StreamGeometryContext that can be used to describe this StreamGeometry
// object's contents.
using (System.Windows.Media.StreamGeometryContext ctx = geometry.Open())
{
// Begin the triangle at the point specified. Notice that the shape is set to
// be closed so only two lines need to be specified below to make the triangle.
//ctx.BeginFigure(arrPoints[0], true /* is filled */, true /* is closed */);
ctx.BeginFigure(arrPoints[0], true /* is filled */, false /* is closed */);
for (int i = 1; i < arrPoints.Count; i++)
{
ctx.LineTo(arrPoints[i], true /* is stroked */, false /* is smooth join */);
}
// Draw a line to the next specified point.
// ctx.LineTo(new System.Windows.Point(100, 100), true /* is stroked */, false /* is smooth join */);
// Draw another line to the next specified point.
// ctx.LineTo(new System.Windows.Point(100, 50), true /* is stroked */, false /* is smooth join */);
}
// Freeze the geometry (make it unmodifiable)
// for additional performance benefits.
geometry.Freeze();
// Specify the shape (triangle) of the Path using the StreamGeometry.
myPath.Data = geometry;
// Add path shape to the UI.
StackPanel mainPanel = new StackPanel();
Canvas ss = cv;
ss.Children.Clear();
ss.Children.Add(myPath);
}
internal static WGeometry DefiningTargetArrowHead(EdgeGeometry edgeGeometry, double thickness)
{
if (edgeGeometry.TargetArrowhead == null || edgeGeometry.Curve == null)
{
return(null);
}
var streamGeometry = new WStreamGeometry();
using (WStreamGeometryContext context = streamGeometry.Open())
{
AddArrow(context, edgeGeometry.Curve.End,
edgeGeometry.TargetArrowhead.TipPosition, thickness);
return(streamGeometry);
}
}
///<summary>
/// Creates a <see cref="WpfGeometry"/> representing a <see cref="IGeometry"/>, according to the specified PointTransformation and PointShapeFactory (if relevant).
///</summary>
public WpfGeometry ToShape(IGeometry geometry)
{
if (geometry.IsEmpty)
{
return(new WpfStreamGeometry());
}
var p = new WpfStreamGeometry();
using (var sgc = p.Open())
AddShape(sgc, geometry);
p.Freeze();
return(p);
}
private static System.Windows.Media.StreamGeometry _CreateGeometry(ReadOnlySpan <Point2> points, bool isClosed, bool isFilled, bool isStroked, bool isSmoothJoin = false)
{
var g = new System.Windows.Media.StreamGeometry();
using (var gg = g.Open())
{
gg.BeginFigure(points[0].ToDevicePoint(), isFilled, isClosed);
for (int i = 0; i < points.Length; ++i)
{
gg.LineTo(points[i].ToDevicePoint(), isStroked, isSmoothJoin);
}
gg.Close();
}
return(g);
}
WFrameworkElement CreateFrameworkElementForRailArrowhead(Rail rail, Arrowhead arrowhead, MPoint curveAttachmentPoint, byte edgeTransparency)
{
var streamGeometry = new WStreamGeometry();
using (WStreamGeometryContext context = streamGeometry.Open())
{
AddArrow(context, curveAttachmentPoint, arrowhead.TipPosition,
PathStrokeThickness);
}
var path = new WPath
{
Data = streamGeometry,
Tag = this
};
SetPathStrokeToRailPath(rail, path, edgeTransparency);
return(path);
}
public System.Windows.Media.Geometry GetCaptureShape()
{
System.Windows.Media.StreamGeometry geo = new System.Windows.Media.StreamGeometry();
System.Windows.Media.StreamGeometryContext ctx = geo.Open();
System.Collections.ObjectModel.ReadOnlyCollection <System.Drawing.Point> points = _shape.Points;
List <System.Windows.Point> mPoints = new List <System.Windows.Point>();
foreach (Point p in points)
{
mPoints.Add(new System.Windows.Point(p.X, p.Y));
}
if (mPoints.Count > 0)
{
//mPoints.Add(mPoints[0]);
ctx.BeginFigure(mPoints[0], false, false);
ctx.PolyLineTo(mPoints, true, false);
}
ctx.Close();
return(geo);
}
///<summary>
/// Creates a <see cref="WpfGeometry"/> representing a <see cref="IGeometry"/>, according to the specified PointTransformation and PointShapeFactory (if relevant).
///</summary>
public WpfGeometry ToShape(IGeometry geometry)
{
if (geometry.IsEmpty)
return new WpfStreamGeometry();
var p = new WpfStreamGeometry();
using (var sgc = p.Open())
AddShape(sgc, geometry);
p.Freeze();
return p;
}
public void Draw(TextView textView, System.Windows.Media.DrawingContext drawingContext) {
if (markers == null || !textView.VisualLinesValid) {
return;
}
var visualLines = textView.VisualLines;
if (visualLines.Count == 0) {
return;
}
int viewStart = visualLines.First().FirstDocumentLine.Offset;
int viewEnd = visualLines.Last().LastDocumentLine.EndOffset;
foreach (TextMarker marker in markers.FindOverlappingSegments(viewStart, viewEnd - viewStart)) {
if (marker.BackgroundColor != null) {
var geoBuilder = new BackgroundGeometryBuilder { AlignToWholePixels = true, CornerRadius = 3 };
geoBuilder.AddSegment(textView, marker);
System.Windows.Media.Geometry geometry = geoBuilder.CreateGeometry();
if (geometry != null) {
System.Windows.Media.Color color = marker.BackgroundColor.Value;
var brush = new System.Windows.Media.SolidColorBrush(color);
brush.Freeze();
drawingContext.DrawGeometry(brush, null, geometry);
}
}
foreach (System.Windows.Rect r in BackgroundGeometryBuilder.GetRectsForSegment(textView, marker)) {
var startPoint = r.BottomLeft;
var endPoint = r.BottomRight;
var usedPen = new System.Windows.Media.Pen(new System.Windows.Media.SolidColorBrush(marker.MarkerColor), 1);
usedPen.Freeze();
const double offset = 2.5;
int count = Math.Max((int)((endPoint.X - startPoint.X) / offset) + 1, 4);
var geometry = new System.Windows.Media.StreamGeometry();
using (System.Windows.Media.StreamGeometryContext ctx = geometry.Open()) {
ctx.BeginFigure(startPoint, false, false);
ctx.PolyLineTo(CreatePoints(startPoint, endPoint, offset, count).ToArray(), true, false);
}
geometry.Freeze();
drawingContext.DrawGeometry(System.Windows.Media.Brushes.Transparent, usedPen, geometry);
break;
}
}
}
public System.Windows.Media.Geometry GetCaptureShape()
{
System.Windows.Media.StreamGeometry geo = new System.Windows.Media.StreamGeometry();
System.Windows.Media.StreamGeometryContext ctx = geo.Open();
System.Collections.ObjectModel.ReadOnlyCollection<System.Drawing.Point> points = _shape.Points;
List<System.Windows.Point> mPoints = new List<System.Windows.Point>();
foreach (Point p in points)
mPoints.Add(new System.Windows.Point(p.X, p.Y));
if (mPoints.Count > 0)
{
//mPoints.Add(mPoints[0]);
ctx.BeginFigure(mPoints[0], false, false);
ctx.PolyLineTo(mPoints, true, false);
}
ctx.Close();
return geo;
}
///<summary>
/// Creates a shape representing an <see cref="IPoint"/>.
///</summary>
public WpfGeometry CreatePoint(WpfPoint point)
{
var pointMarker = new WpfStreamGeometry();
using (var sgc = pointMarker.Open())
AddShape(point, sgc);
return pointMarker;
}
