//--------------------------------------------------------------------------------------------------
public static void RenderArrow(IDrawingRenderer renderer, Ax2d location, double scale = 1.0)
{
var arrowSize = GetArrowSize();
var p1 = location.Location;
var backpoint = p1.Translated(location.Direction.Reversed().ToVec(arrowSize.Length * scale));
var rightVec = new Vec2d(location.Direction.Y, -location.Direction.X).Scaled(arrowSize.Width * 0.5 * scale);
var p2 = backpoint.Translated(rightVec);
var p3 = backpoint.Translated(rightVec.Reversed());
renderer.SetStyle(null, new FillStyle(Common.Color.Black), null);
renderer.BeginPath();
renderer.BeginPathSegment();
renderer.Line(p1, p2);
renderer.Line(p2, p3);
renderer.Line(p3, p1);
renderer.EndPathSegment();
renderer.EndPath();
}
//--------------------------------------------------------------------------------------------------
public static bool RenderFaces(IDrawingRenderer renderer, TopoDS_Shape brepShape)
{
var res = true;
renderer.BeginPath();
var faces = brepShape.Faces();
if (faces.Count == 0)
{
// Drawings may only contain lines, not faces
res = RenderEdges(renderer, brepShape.Edges(), null);
}
else
{
foreach (var face in faces)
{
var outerWire = BRepTools.OuterWire(face);
if (outerWire == null)
{
continue;
}
res &= RenderEdges(renderer, outerWire.Edges(), face);
var wires = face.Wires();
foreach (var wire in wires)
{
if (wire.IsEqual(outerWire))
{
continue;
}
res &= RenderEdges(renderer, wire.Edges(), face);
}
}
}
renderer.EndPath();
return(res);
}
