The renderer draws drop shadows, layer blurs and texture at their size in
page units however a layer is transformed, but sized a layer from its local
box grown by the effects' reach in local units, so under a transform that
scales down the effect was cut (245 levels on the canvas, exports holding
half to 60% of the paint).
bounds_within now takes the layer's local-to-page map and turns the reach
into local units per axis. A drop shadow's spread of a filled outline is the
exception: the outline is grown before it is transformed, so that part
follows the layer's scale. Layer bounds and own_paint_bounds take, per
shadow, the larger of the two readings, so an unscaled layer comes out as
before; exports of scaled-up spread shadows, which were cut, now hold them,
and so do the corners of a turned rectangle's spread. The mitre reach is
clamped like the other reaches, so a huge spread no longer makes bounds NaN.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
