aistudio-wpf-diagram/AIStudio.Wpf.DiagramDesigner/PathGenerators/PathGenerators.Straight.cs

using System;
using AIStudio.Wpf.DiagramDesigner.Geometry;

namespace AIStudio.Wpf.DiagramDesigner
{
    public static partial class PathGenerators
    {
        public static PathGeneratorResult Straight(IDiagramViewModel _, ConnectorViewModel link, PointBase[] route, PointBase source, PointBase target)
        {
            route = ConcatRouteAndSourceAndTarget(route, source, target);
            double? sourceAngle = null;
            double? targetAngle = null;

            sourceAngle = SourceMarkerAdjustement(route, (double)link.ColorViewModel.LeftArrowSizeStyle);
            targetAngle = TargetMarkerAdjustement(route, (double)link.ColorViewModel.RightArrowPathStyle);

            var paths = new string[route.Length - 1];
            for (var i = 0; i < route.Length - 1; i++)
            {
                paths[i] = FormattableString.Invariant($"M {route[i].X} {route[i].Y} L {route[i + 1].X} {route[i + 1].Y}");
            }

            return new PathGeneratorResult(paths, sourceAngle, route[0], targetAngle, route[route.Length - 1]);
        }
    }
}