776e9d218cbdf49ef62cf69ddf855966cb97b703
Cache offset polygon geometry on LayoutPart so DrawOffset no longer recomputes the expensive offset pipeline every paint cycle. The costly OffsetEntity/ToPolygonWithTolerance/RemoveSelfIntersections chain now runs only when rotation, spacing, or tolerance actually changes. Also update temporary parts in UpdateMatrix() so preview parts during nesting scale correctly with zoom. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Description
A Windows desktop app for CNC nesting — imports DXF drawings, arranges parts on plates and exports layouts as DXF or G-code for cutting.
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