static ICurve GetRandomShape(Random random)
{
//we support rectangle, roundedRectangle, circle, ellipse, diamond, Octagon, triangle, star
int index = random.Next(3);
var center = new Microsoft.Msagl.Core.Geometry.Point();
switch (index)
{
case 0:
return(CurveFactory.CreateRectangle(20 + random.Next(10), 10 + random.Next(10), center));
case 1:
return(CurveFactory.CreateRectangleWithRoundedCorners(30 + random.Next(10), 20 + random.Next(10), 1 + random.Next(8), 1 + random.Next(8), center));
case 2:
return(CurveFactory.CreateEllipse(26, 18, center));
}
return(null);
}
private static IEnumerable <DebugCurve> MarkPathVerts(Path path)
{
bool first = true;
var p = new Point();
foreach (var p0 in path.PathPoints)
{
if (first)
{
yield return(new DebugCurve(200, 1, "violet", CurveFactory.CreateDiamond(5, 5, p0)));
first = false;
}
else
{
yield return(new DebugCurve(100, 0.5, "brown", CurveFactory.CreateEllipse(1.5, 1.5, p0)));
}
p = p0;
}
yield return(new DebugCurve(200, 1, "green", CurveFactory.CreateDiamond(3, 3, p)));
}
/// <summary>
/// Controlling the draw because a need to control the size.
///
/// Supporting these shapes :
/// Box
/// Ellipse
/// Circle
/// Plaintext
/// Point
/// </summary>
/// <param name="node"></param>
/// <param name="centerLocation"></param>
/// <param name="width"></param>
/// <param name="hight"></param>
/// <returns></returns>
ICurve DrawCurve(Microsoft.Msagl.Drawing.Node node)
{
ICurve shape = null;
switch (node.Attr.Shape)
{
case Shape.Box:
shape = CurveFactory.CreateRectangle(NodeWidth, NodeHeight, NodeCenter);
break;
case Shape.Ellipse:
shape = CurveFactory.CreateEllipse(NodeWidth, NodeHeight, NodeCenter);
break;
case Shape.Circle:
shape = CurveFactory.CreateCircle(NodeWidth, NodeCenter);
break;
case Shape.Point:
shape = CurveFactory.CreateCircle(0.5, NodeCenter);
break;
case Shape.Diamond:
shape = CurveFactory.CreateDiamond(NodeWidth, NodeHeight, NodeCenter);
break;
case Shape.Hexagon:
shape = CurveFactory.CreateHexagon(NodeWidth, NodeHeight, NodeCenter);
break;
case Shape.Octagon:
shape = CurveFactory.CreateOctagon(NodeWidth, NodeHeight, NodeCenter);
break;
}
return(shape);
}
static ICurve CreateEllipse()
{
return(CurveFactory.CreateEllipse(20, 10, new Point()));
}
void ShowEdge(AxisEdge edge, Point point)
{
// ReSharper restore SuggestBaseTypeForParameter
var dd = GetObstacleBoundaries("black");
var seg = new DebugCurve(1, "red", new LineSegment(edge.Source.Point, edge.Target.Point));
LayoutAlgorithmSettings.ShowDebugCurvesEnumeration(dd.Concat(
new[] { seg, new DebugCurve("blue", CurveFactory.CreateEllipse(3, 3, point)) }));
}
public static ICurve GetNodeBoundary(Microsoft.Msagl.Drawing.Node n)
{
double cell = s_random.Next(50, 80);
double ecc = (((double)s_random.Next(20, 100) / 100.00) * cell);
switch (n.Id.Split()[0])
{
case "Rhombus":
return(CurveFactory.CreateDiamond(cell / 2.0, ecc / 2.0, new Microsoft.Msagl.Core.Geometry.Point()));
case "Circle":
return(CurveFactory.CreateCircle(cell / 2.0, new Microsoft.Msagl.Core.Geometry.Point()));
case "Ellipse":
return(CurveFactory.CreateEllipse(cell / 2.0, ecc / 2.0, new Microsoft.Msagl.Core.Geometry.Point()));
case "Rectangle":
return(CurveFactory.CreateRectangle(cell, ecc, new Point()));
case "Parallelogram":
{
ICurve baseRect = CurveFactory.CreateRectangle(cell, ecc, new Point());
return(baseRect.Transform(new PlaneTransformation(1, (double)s_random.Next(0, 100) / 100.00, 0, 0, 1, 0)));
}
case "CurvedRectangle":
return(CurveFactory.CreateRectangleWithRoundedCorners(cell * 2, ecc, ecc / 4, ecc / 4, new Microsoft.Msagl.Core.Geometry.Point()));
case "Process":
{
Curve curve = (Curve)CurveFactory.CreateRectangle(cell * 2, ecc, new Microsoft.Msagl.Core.Geometry.Point());
Curve curveInner = (Curve)CurveFactory.CreateRectangle(cell * 1.5, ecc, new Microsoft.Msagl.Core.Geometry.Point());
Curve.CloseCurve(curve);
Curve.CloseCurve(curveInner);
Curve.AddLineSegment(curve, curve.Start, curveInner.Start);
curve.AddSegment(curveInner);
return(curve);
}
case "ElongatedEllipse":
{
var curve = new Curve();
double x = cell;
double y = ecc;
double r = x / 2;
curve.AddSegment(new Ellipse(1.5 * Math.PI, 2.5 * Math.PI, new Point(r, 0), new Point(0, y), new Point(x, 0)));
curve.AddSegment(new LineSegment(curve.End, new Point(-1 * x, y)));
curve.AddSegment(new Ellipse(0.5 * Math.PI, 1.5 * Math.PI, new Point(r, 0), new Point(0, y), new Point(-1 * x, 0)));
Curve.CloseCurve(curve);
return(curve);
}
case "Database":
{
var curve = new Curve();
double x = ecc;
double y = cell;
double r = y / 2;
curve.AddSegment(new Ellipse(new Point(x, 0), new Point(0, r), new Point(0, 0)));
curve.AddSegment(new Ellipse(0, Math.PI, new Point(x, 0), new Point(0, r), new Point(0, 0)));
curve.AddSegment(new LineSegment(curve.End, new Point(-1 * x, -1 * y)));
curve.AddSegment(new LineSegment(curve.End, new Point(x, -1 * y)));
Curve.CloseCurve(curve);
return(curve);
}
}
throw new Exception("unrecognised shape type");
}