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feat(props): make dim-line colour editable for leaders and dimensions

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The "Dim line color" row on Leader and Dimension entities was
read-only: an earlier attempt wired it to Leader.override_color, which
acadrust never serialises, so the pick was lost on save. Store it
instead as a standard ACAD_DSTYLE per-object dimension-style override
(DXF code 176, an ACI index) through the existing dim_override codec,
so it round-trips through both DWG and DXF like the other dim
overrides. RGB picks collapse to the nearest ACI, matching the rest of
the dim-colour stack (dimension styles are index-only through the file
layer). The renderer prefers the override over the style's DIMCLRD.

The write branch is guarded to leaders and dimensions so a mixed
selection cannot stamp the override onto other entity types.

Bumps acadrust to c9fe982, which carries parsed XDATA onto dimensions
on DXF read (it was dropping common.extended_data), so the dimension
override persists on DXF save as well as DWG.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Hakan Seven 2026-07-13 17:31:09 +03:00
commit d005cc4ab1
8 changed files with 241 additions and 29 deletions
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Cargo.lock generated
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@ -73,7 +73,7 @@ checksum = "366ffbaa4442f4684d91e2cd7c5ea7c4ed8add41959a31447066e279e432b618"
[[package]]
name = "acadrust"
version = "0.4.0"
source = "git+https://github.com/HakanSeven12/acadrust?branch=main#c8e63eb6b5e6d23faeebc504d57accc091b4cae4"
source = "git+https://github.com/HakanSeven12/acadrust?branch=main#c9fe9828583c6fe704191c08b942e959601ad4c0"
dependencies = [
"ahash 0.8.12",
"anyhow",