pintoTop - #28
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pinToTop: element-level pin-to-top overlays
…nged Cache the computed wrapper matrix per record and short-circuit _syncRecord when it's bit-identical to the previous frame (static QR on a still screen), avoiding the decompose and seven property writes. Also skip setBounds when the anchor's bounds are unchanged. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
A Placeholder pinned above another layer (the connect-screen QR over the
flung-emoji layer) was being defeated at several points:
- Placeholder.updateZIndex re-inserted the inner placeholder next to its
source element every tick, dragging it back out of the pin layer.
Skip that reordering when the placeholder is pinned (obj._pinnedToTop,
set by Pinner on pin and cleared on _restore).
- _syncRecord read the anchor's concatenated matrix without guarding,
which threw ("reading 'x' of undefined") and broke the tick loop while
the anchor subtree was still being built. Guard it and skip the frame.
- getBounds() (optional, only for bounds-sizing children) was bundled
into the same read as the matrices, so a MovieClip anchor whose
getBounds() throws persistently made _syncRecord bail every frame and
left the pin stuck at the pin-container origin. Read bounds in its own
try/catch so a throw there never blocks positioning.
Adds tools/pin-placeholder-test.js covering the z-index case and extends
pin-test.js to assert positioning survives a persistently-throwing
getBounds().
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
…ixes # Conflicts: # app/scripts/CatLab/Easelbone/EaselJS/Pinner.js # dist/scripts/easelbone.js
fix(pinner): make pinToTop robust for pinned Placeholders
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