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feat: add Box.Translate and improve NFP/IFP geometry APIs

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Add immutable Translate methods to Box. Make NoFitPolygon
ToClipperPath/FromClipperPath public with optional offset parameter.
Refactor InnerFitPolygon.ComputeFeasibleRegion to accept PathsD
directly, letting Clipper2 handle implicit union. Add UpdateBounds
calls after polygon construction.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
AJ Isaacs
2026-03-20 14:42:43 -04:00
parent 2ed02c2dae
commit facd07d7de
3 changed files with 40 additions and 25 deletions
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9
OpenNest.Core/Geometry/NoFitPolygon.cs
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@@ -250,9 +250,9 @@ namespace OpenNest.Geometry
}
/// <summary>
/// Converts an OpenNest Polygon to a Clipper2 PathD.
/// Converts an OpenNest Polygon to a Clipper2 PathD, with an optional offset.
/// </summary>
internal static PathD ToClipperPath(Polygon polygon)
public static PathD ToClipperPath(Polygon polygon, Vector offset = default)
{
var path = new PathD();
var verts = polygon.Vertices;
@@ -263,7 +263,7 @@ namespace OpenNest.Geometry
n--;
for (var i = 0; i < n; i++)
path.Add(new PointD(verts[i].X, verts[i].Y));
path.Add(new PointD(verts[i].X + offset.X, verts[i].Y + offset.Y));
return path;
}
@@ -271,7 +271,7 @@ namespace OpenNest.Geometry
/// <summary>
/// Converts a Clipper2 PathD to an OpenNest Polygon.
/// </summary>
internal static Polygon FromClipperPath(PathD path)
public static Polygon FromClipperPath(PathD path)
{
var polygon = new Polygon();
@@ -279,6 +279,7 @@ namespace OpenNest.Geometry
polygon.Vertices.Add(new Vector(pt.x, pt.y));
polygon.Close();
polygon.UpdateBounds();
return polygon;
}
}