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ajandClaude Opus 5.5
049b45b394
Port the WinForms GraphicsHelper program walker to a toolkit-neutral figure list (move/line/arc) with its layer routing: cuts without tabs, leads, etches, and a material fill without break cuts whose tab-gapped pieces are bridged. Suppressed moves are skipped and marks never bound the fill. PartDisplayGeometry picks the fill as LayoutPart does (common-line members, break cuts, open cuts) and keeps display-only entities; PartLabels ports the label points. ViewTransform carries DrawControl's world/screen mapping and zoom rules. PlateOverlays computes what the view draws around parts (sheet, edge spacing, irregular usable area, clamps, cut-off strokes, rapids, pierce points, cut direction, offset outline, support) through the existing Core code. PlateViewOptions reads and writes the View toggles under the WinForms PlateViewDrawRapid/PlateViewDrawBounds names. WinForms still draws with GraphicsHelper; nothing there changes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
47 lines
1.7 KiB
C#
47 lines
1.7 KiB
C#
using System.Collections.Generic;
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using OpenNest.Geometry;
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using OpenNest.Math;
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namespace OpenNest.Desktop.Rendering;
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/// <summary>One drawn piece of a figure, ending at <see cref="End"/>.</summary>
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public abstract record PathSegment(Vector End);
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/// <summary>A straight line from the previous point to <see cref="PathSegment.End"/>.</summary>
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public sealed record LineTo(Vector End) : PathSegment(End);
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/// <summary>
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/// A circular arc about <paramref name="Center"/>, in degrees measured from +X toward +Y (the
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/// y-up drawing frame); a positive sweep turns counterclockwise. A sweep of 360 degrees is a full
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/// circle. Toolkits join the previous point to the arc's start with a line, as GDI+ and Skia do.
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/// </summary>
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public sealed record ArcTo(Vector End, Vector Center, double Radius, double StartAngle, double SweepAngle)
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: PathSegment(End)
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{
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public bool IsFullCircle => System.Math.Abs(SweepAngle) >= 360.0;
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}
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/// <summary>
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/// One continuous run of drawing moves: a move to <see cref="Start"/> followed by
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/// <see cref="Segments"/>. Toolkit-neutral; each desktop app converts figures to its own path type.
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/// </summary>
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public sealed class PathFigure
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{
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public PathFigure(Vector start, IReadOnlyList<PathSegment> segments)
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{
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Start = start;
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Segments = segments;
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}
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public Vector Start { get; }
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public IReadOnlyList<PathSegment> Segments { get; }
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public Vector End => Segments.Count == 0 ? Start : Segments[Segments.Count - 1].End;
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/// <summary>Whether the figure ends where it starts, so a toolkit may close it.</summary>
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public bool IsClosed => Start.DistanceTo(End) <= Tolerance.Epsilon;
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public override string ToString() => $"{Start} +{Segments.Count} {(IsClosed ? "closed" : "open")}";
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}
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