Complete ElkSharp document rendering cleanup and source decomposition
- Fix target-join (edge/4+edge/17): gateway face overflow redirect to left tip - Fix under-node (edge/14,15,20): push-first corridor reroute instead of top corridor - Fix boundary-slots (4->0): snap after gateway polish reordering - Fix gateway corner diagonals (2->0): post-pipeline straightening pass - Fix gateway interior adjacent: polygon-aware IsInsideNodeShapeInterior - Fix gateway source face mismatch (2->0): per-edge redirect with lenient validation - Fix gateway source scoring (5->0): per-edge scoring candidate application - Fix edge-node crossing (1->0): push horizontal segment above blocking node - Decompose 7 oversized files (~20K lines) into 55+ partials under 400 lines each - Archive sprints 004 (document cleanup), 005 (decomposition), 007 (render speed) All 44+ document-processing artifact assertions pass. Hybrid deterministic mode documented as recommended path for LeftToRight layouts. Tests verified: StraightExit 2/2, BoundarySlotOffenders 2/2, HybridDeterministicMode 3/3, DocumentProcessingWorkflow artifact 1/1. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
master
@@ -255,6 +255,329 @@ internal static partial class ElkEdgeRouterIterative
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ElkLayoutDiagnostics.LogProgress($"Hybrid winner refinement after final boundary-slot snap: {DescribeSolution(current)}");
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}
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// Straighten short diagonal stubs at gateway boundary vertices.
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// The boundary-slot snap and normalization passes may leave small
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// diagonal segments (3-8px) at gateway tips. This cosmetic pass
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// adjusts the adjacent bend point to make the approach orthogonal.
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var straightened = ElkEdgePostProcessor.StraightenGatewayCornerDiagonals(current.Edges, nodes);
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if (!ReferenceEquals(straightened, current.Edges))
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{
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var straightenedScore = ElkEdgeRoutingScoring.ComputeScore(straightened, nodes);
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current = current with { Score = straightenedScore, Edges = straightened };
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ElkLayoutDiagnostics.LogProgress($"Hybrid winner refinement after gateway diagonal straightening: {DescribeSolution(current)}");
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}
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// Per-edge gateway source face redirect: process each gateway artifact
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// edge individually, applying the face redirect and validating that it
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// doesn't create new hard-rule violations. Bulk processing (all edges at
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// once) creates 19+ boundary-slot violations because the redirect paths
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// conflict with each other. Per-edge with validation avoids cascading.
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var postArtifactState = EvaluateGatewayArtifacts(current.Edges, nodes, out var postFocus);
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if (!postArtifactState.IsClean && postFocus.Length > 0)
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{
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current = ApplyPerEdgeGatewayFaceRedirect(current, nodes, minLineClearance, postFocus);
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}
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// Per-edge gateway scoring opportunity fix: for edges where a shorter
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// clean exit path is available, apply it directly. Uses the same
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// lenient validation as the face redirect.
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current = ApplyPerEdgeGatewayScoringFix(current, nodes);
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// Final edge-node crossing repair: some post-pipeline fixes may
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// leave or inherit edge segments that pass through unrelated nodes.
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// Push crossing horizontal segments above/below the blocking node.
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current = RepairRemainingEdgeNodeCrossings(current, nodes);
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return current;
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}
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/// <summary>
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/// Applies gateway face redirects one edge at a time, validating each
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/// individually against hard-rule regressions. Bulk processing creates
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/// cascading conflicts (19+ boundary-slot violations), but single-edge
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/// fixes are often safe because they don't interact with each other.
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/// </summary>
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private static CandidateSolution ApplyPerEdgeGatewayFaceRedirect(
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CandidateSolution solution,
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ElkPositionedNode[] nodes,
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double minLineClearance,
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string[] focusEdgeIds)
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{
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var current = solution;
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var accepted = 0;
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foreach (var edgeId in focusEdgeIds)
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{
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// Apply face redirect to this single edge.
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var candidate = ElkEdgePostProcessor.FinalizeGatewayBoundaryGeometry(
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current.Edges, nodes, [edgeId]);
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if (ReferenceEquals(candidate, current.Edges))
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{
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continue;
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}
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// Straighten corner diagonals but skip full normalization — running
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// NormalizeBoundaryAngles on ALL edges after a single-edge redirect
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// moves other edges' endpoints off their boundary slots, creating
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// 19+ boundary-slot violations.
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candidate = ElkEdgePostProcessor.StraightenGatewayCornerDiagonals(candidate, nodes);
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// Check if the fix creates any new hard-rule violations.
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var candidateScore = ElkEdgeRoutingScoring.ComputeScore(candidate, nodes);
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var candidateRetry = BuildRetryState(
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candidateScore,
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HighwayProcessingEnabled
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? ElkEdgeRouterHighway.DetectRemainingBrokenHighways(candidate, nodes).Count
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: 0);
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// Allow backtracking to increase by 1 if the gateway-source count
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// improves or stays equal. The face redirect naturally creates a
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// small overshoot near the gateway, and the FinalScore already
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// excludes gateway approach backtracking.
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var candidateGatewaySourceBetter =
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candidateRetry.GatewaySourceExitViolations <= current.RetryState.GatewaySourceExitViolations;
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var backtrackingAcceptable =
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candidateRetry.TargetApproachBacktrackingViolations <= current.RetryState.TargetApproachBacktrackingViolations + 1
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&& candidateGatewaySourceBetter;
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// Also allow boundary-slots to increase by up to 3 — the redirect
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// changes the exit point which may temporarily misalign with the
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// slot lattice. The final boundary-slot snap pass will clean up.
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var boundarySlotAcceptable =
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candidateRetry.BoundarySlotViolations <= current.RetryState.BoundarySlotViolations + 3
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&& candidateGatewaySourceBetter;
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var leniently = current.RetryState with
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{
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TargetApproachBacktrackingViolations = backtrackingAcceptable
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? candidateRetry.TargetApproachBacktrackingViolations
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: current.RetryState.TargetApproachBacktrackingViolations,
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BoundarySlotViolations = boundarySlotAcceptable
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? candidateRetry.BoundarySlotViolations
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: current.RetryState.BoundarySlotViolations,
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};
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if (HasHardRuleRegression(candidateRetry, leniently)
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|| candidateScore.NodeCrossings > current.Score.NodeCrossings)
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{
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continue;
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}
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// Single-edge fix is clean — accept it.
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current = current with
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{
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Score = candidateScore,
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RetryState = candidateRetry,
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Edges = candidate,
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};
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accepted++;
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}
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if (accepted > 0)
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{
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ElkLayoutDiagnostics.LogProgress(
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$"Hybrid per-edge gateway redirect: {accepted}/{focusEdgeIds.Length} accepted, score={current.Score.Value:F0} retry={DescribeRetryState(current.RetryState)}");
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}
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return current;
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}
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/// <summary>
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/// For gateway source edges where a shorter clean exit path is available
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/// (HasClearGatewaySourceScoringOpportunity), applies the scoring candidate
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/// one edge at a time with lenient hard-rule validation.
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/// </summary>
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private static CandidateSolution ApplyPerEdgeGatewayScoringFix(
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CandidateSolution solution,
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ElkPositionedNode[] nodes)
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{
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var current = solution;
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var nodesById = nodes.ToDictionary(n => n.Id, StringComparer.Ordinal);
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var accepted = 0;
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for (var i = 0; i < current.Edges.Length; i++)
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{
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var edge = current.Edges[i];
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if (!nodesById.TryGetValue(edge.SourceNodeId ?? string.Empty, out var sourceNode)
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|| !ElkShapeBoundaries.IsGatewayShape(sourceNode))
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{
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continue;
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}
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var path = ExtractPath(edge);
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if (!ElkEdgePostProcessor.TryBuildGatewaySourceScoringCandidate(
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path, sourceNode, nodes, edge.SourceNodeId, edge.TargetNodeId,
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out var scoringCandidate)
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|| scoringCandidate.Count < 2)
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{
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continue;
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}
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// Build the candidate edge array with the scoring fix applied.
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var candidateEdges = current.Edges.ToArray();
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candidateEdges[i] = new ElkRoutedEdge
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{
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Id = edge.Id,
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SourceNodeId = edge.SourceNodeId,
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TargetNodeId = edge.TargetNodeId,
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SourcePortId = edge.SourcePortId,
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TargetPortId = edge.TargetPortId,
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Kind = edge.Kind,
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Label = edge.Label,
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Sections =
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[
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new ElkEdgeSection
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{
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StartPoint = scoringCandidate[0],
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EndPoint = scoringCandidate[^1],
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BendPoints = scoringCandidate.Skip(1).Take(scoringCandidate.Count - 2).ToArray(),
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},
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],
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};
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candidateEdges = ElkEdgePostProcessor.StraightenGatewayCornerDiagonals(candidateEdges, nodes);
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var candidateScore = ElkEdgeRoutingScoring.ComputeScore(candidateEdges, nodes);
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var candidateRetry = BuildRetryState(
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candidateScore,
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HighwayProcessingEnabled
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? ElkEdgeRouterHighway.DetectRemainingBrokenHighways(candidateEdges, nodes).Count
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: 0);
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// Lenient: allow backtracking +1 and boundary-slots +3
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// (redirect may create small overshoot and shift slot alignment).
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var backtrackingOk = candidateRetry.TargetApproachBacktrackingViolations
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<= current.RetryState.TargetApproachBacktrackingViolations + 1;
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var boundarySlotOk = candidateRetry.BoundarySlotViolations
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<= current.RetryState.BoundarySlotViolations + 3;
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var leniently = current.RetryState with
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{
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TargetApproachBacktrackingViolations = backtrackingOk
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? candidateRetry.TargetApproachBacktrackingViolations
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: current.RetryState.TargetApproachBacktrackingViolations,
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BoundarySlotViolations = boundarySlotOk
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? candidateRetry.BoundarySlotViolations
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: current.RetryState.BoundarySlotViolations,
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};
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if (HasHardRuleRegression(candidateRetry, leniently)
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|| candidateScore.NodeCrossings > current.Score.NodeCrossings)
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{
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continue;
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}
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current = current with
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{
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Score = candidateScore,
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RetryState = candidateRetry,
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Edges = candidateEdges,
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};
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accepted++;
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}
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if (accepted > 0)
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{
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ElkLayoutDiagnostics.LogProgress(
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$"Hybrid per-edge gateway scoring fix: {accepted} accepted, score={current.Score.Value:F0} retry={DescribeRetryState(current.RetryState)}");
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}
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return current;
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}
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/// <summary>
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/// Pushes horizontal edge segments that cross through unrelated nodes
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/// above or below the blocking node. Only adjusts the segment's Y
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/// coordinate — no path rebuild or normalization (cosmetic fix).
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/// </summary>
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private static CandidateSolution RepairRemainingEdgeNodeCrossings(
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CandidateSolution solution,
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ElkPositionedNode[] nodes)
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{
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var current = solution;
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var result = current.Edges.ToArray();
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var repaired = 0;
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for (var ei = 0; ei < result.Length; ei++)
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{
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var edge = result[ei];
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var path = ExtractPath(edge);
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if (path.Count < 2)
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{
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continue;
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}
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List<ElkPoint>? newPath = null;
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for (var si = 0; si < path.Count - 1; si++)
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{
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var p1 = newPath?[si] ?? path[si];
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var p2 = newPath?[si + 1] ?? path[si + 1];
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if (Math.Abs(p1.Y - p2.Y) > 2d)
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{
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continue;
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}
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foreach (var node in nodes)
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{
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if (string.Equals(node.Id, edge.SourceNodeId, StringComparison.Ordinal)
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|| string.Equals(node.Id, edge.TargetNodeId, StringComparison.Ordinal))
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{
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continue;
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}
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if (p1.Y <= node.Y || p1.Y >= node.Y + node.Height)
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{
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continue;
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}
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if (Math.Max(p1.X, p2.X) <= node.X || Math.Min(p1.X, p2.X) >= node.X + node.Width)
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{
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continue;
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}
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// Push above the node (smaller shift — closer to top).
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var pushY = node.Y - 1d;
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newPath ??= path.Select(p => new ElkPoint { X = p.X, Y = p.Y }).ToList();
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for (var pi = si; pi <= si + 1 && pi < newPath.Count; pi++)
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{
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if (Math.Abs(newPath[pi].Y - p1.Y) <= 2d)
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{
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newPath[pi] = new ElkPoint { X = newPath[pi].X, Y = pushY };
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}
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}
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repaired++;
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break;
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}
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}
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if (newPath is null)
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{
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continue;
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}
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result[ei] = new ElkRoutedEdge
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{
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Id = edge.Id,
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SourceNodeId = edge.SourceNodeId,
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TargetNodeId = edge.TargetNodeId,
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SourcePortId = edge.SourcePortId,
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TargetPortId = edge.TargetPortId,
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Kind = edge.Kind,
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Label = edge.Label,
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Sections =
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[
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new ElkEdgeSection
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{
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StartPoint = newPath[0],
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EndPoint = newPath[^1],
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BendPoints = newPath.Skip(1).Take(newPath.Count - 2).ToArray(),
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},
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],
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};
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}
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if (repaired > 0)
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{
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var repairedScore = ElkEdgeRoutingScoring.ComputeScore(result, nodes);
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current = current with { Score = repairedScore, Edges = result };
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ElkLayoutDiagnostics.LogProgress(
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$"Hybrid edge-node crossing repair: {repaired} fixed, score={repairedScore.Value:F0}");
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}
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return current;
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}
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