Point3.cs

using System.Threading.Tasks;
using System.Xml;
using Waher.Layout.Layout2D.Model.Attributes;
 
namespace Waher.Layout.Layout2D.Model
{
    public abstract class Point3 : Point2
    {
        private LengthAttribute x3;
        private LengthAttribute y3;
        private StringAttribute ref3;
 
        public Point3(Layout2DDocument Document, ILayoutElement Parent)
            : base(Document, Parent)
        {
        }
 
        public LengthAttribute X3Attribute
        {
            get => this.x3;
            set => this.x3 = value;
        }
 
        public LengthAttribute Y3Attribute
        {
            get => this.y3;
            set => this.y3 = value;
        }
 
        public StringAttribute Reference3Attribute
        {
            get => this.ref3;
            set => this.ref3 = value;
        }
 
        public override Task FromXml(XmlElement Input)
        {
            this.x3 = new LengthAttribute(Input, "x3", this.Document);
            this.y3 = new LengthAttribute(Input, "y3", this.Document);
            this.ref3 = new StringAttribute(Input, "ref3", this.Document);
 
            return base.FromXml(Input);
        }
 
        public override void ExportAttributes(XmlWriter Output)
        {
            base.ExportAttributes(Output);
 
            this.x3?.Export(Output);
            this.y3?.Export(Output);
            this.ref3?.Export(Output);
        }
 
        public override void CopyContents(ILayoutElement Destination)
        {
            base.CopyContents(Destination);
 
            if (Destination is Point3 Dest)
            {
                Dest.x3 = this.x3?.CopyIfNotPreset(Destination.Document);
                Dest.y3 = this.y3?.CopyIfNotPreset(Destination.Document);
                Dest.ref3 = this.ref3?.CopyIfNotPreset(Destination.Document);
            }
        }
 
        public override async Task DoMeasureDimensions(DrawingState State)
        {
            await base.DoMeasureDimensions(State);
 
            CalculatedPoint P = await this.CalcPoint(State, this.x3, this.y3, this.@ref3, this.xCoordinate3, this.yCoordinate3);
            if (P.Ok)
            {
                this.xCoordinate3 = P.X;
                this.yCoordinate3 = P.Y;
            }
            else
                this.defined = false;
        }
 
        protected float xCoordinate3;
 
        protected float yCoordinate3;
 
        public override void ExportStateAttributes(XmlWriter Output)
        {
            base.ExportStateAttributes(Output);
 
            this.x3?.ExportState(Output);
            this.y3?.ExportState(Output);
            this.ref3?.ExportState(Output);
        }
 
    }
}