0d253d9629
Both actions were DCEL-stubs (no-ops). They now extract the selected geometry from a vector layer's active keyframe into a new VectorClip (group vs movie clip) and place a ClipInstance in its place (identity transform → renders where the geometry was), which the existing transform-animation system can motion-tween. - Shared `clip_from_geometry::extract_geometry_to_clip` (+ undo) does the work; the actions are thin wrappers. Undo snapshots the source graph + removes the clip/instance. - `extract_subgraph` now DERIVES shared-fill boundary edges internally (an inside edge still used by a non-extracted fill must be duplicated, not moved) and unions them with the caller's `explicit_boundary` — so a plain geometry selection needs no boundary analysis (the selection already includes fill boundary edges via `select_fill`). The region-select caller keeps passing its lasso boundary. - Handlers: Group / Convert to Movie Clip on a geometry selection now build these actions from `selected_fills`/`selected_edges`. Next: shape tweens (same-topology lerp). |
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