CircleArcToRel.cs

using System.Threading.Tasks;
using SkiaSharp;
 
namespace Waher.Layout.Layout2D.Model.Figures.SegmentNodes
{
    public class CircleArcToRel : CircleArcTo
    {
        public CircleArcToRel(Layout2DDocument Document, ILayoutElement Parent)
            : base(Document, Parent)
        {
        }
 
        public override string LocalName => "CircleArcToRel";
 
        public override ILayoutElement Create(Layout2DDocument Document, ILayoutElement Parent)
        {
            return new CircleArcToRel(Document, Parent);
        }
 
        public override Task Measure(DrawingState State, PathState PathState)
        {
            if (this.defined)
                PathState.Add(this.xCoordinate, this.yCoordinate);
 
            return Task.CompletedTask;
        }
 
        public override Task Draw(DrawingState State, PathState PathState, SKPath Path)
        {
            if (this.defined)
            {
                SKPoint P = PathState.Add(this.xCoordinate, this.yCoordinate);
                Path.ArcTo(this.r, this.r, 0, SKPathArcSize.Small,
                    this.clockDir ? SKPathDirection.Clockwise : SKPathDirection.CounterClockwise,
                    P.X, P.Y);
            }
 
            return Task.CompletedTask;
        }
 
        // TODO: IDirectedElement
    }
}