/// <summary>
/// the distance of the point from the outline of the shape, if the value is negative it is inside the polygon bounds
/// </summary>
/// <param name="point">The point.</param>
/// <returns>
/// Returns the distance from the shape to the point
/// </returns>
public float Distance(Vector2 point)
{
bool insidePoly;
PointInfo result = this.Distance(point, true, out insidePoly);
// invert the distance from path when inside
return(insidePoly ? -result.DistanceFromPath : result.DistanceFromPath);
}
/// <inheritdoc />
public PointInfo Distance(PointF point)
{
PointInfo dist = this.innerPath.DistanceFromPath(point);
bool isInside = this.innerPath.PointInPolygon(point);
if (isInside)
{
dist.DistanceFromPath *= -1;
}
return(dist);
}
/// <inheritdoc/>
public override PointInfo GetPointInfo(int x, int y)
{
Vector2 point = new Vector2(x, y);
SixLabors.Shapes.PointInfo dist = this.Path.Distance(point);
return(new PointInfo
{
DistanceAlongPath = dist.DistanceAlongPath,
DistanceFromPath =
dist.DistanceFromPath < 0
? -dist.DistanceFromPath
: dist.DistanceFromPath
});
}
/// <inheritdoc/>
public override PointInfo GetPointInfo(int x, int y)
{
Vector2 point = new Vector2(x, y);
float distanceFromPath = float.MaxValue;
float distanceAlongPath = 0;
// ReSharper disable once ForCanBeConvertedToForeach
for (int i = 0; i < this.Paths.Length; i++)
{
SixLabors.Shapes.PointInfo p = this.Paths[i].Distance(point);
if (p.DistanceFromPath < distanceFromPath)
{
distanceFromPath = p.DistanceFromPath;
distanceAlongPath = p.DistanceAlongPath;
}
}
return(new PointInfo
{
DistanceAlongPath = distanceAlongPath,
DistanceFromPath = distanceFromPath
});
}
