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fix(dimension): make DIMTAD/DIMTVP/DIMJUST drive text placement (#94)

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Dimension text position ignored the style: the renderer returned the
saved text_middle_point whenever it was non-zero, which it always is for
app-created dims, so DIMTAD ("text over the dimension line" / ISO) and
friends had no effect — text could only be moved by grips.

Use the new acadrust text_user_positioned flag: when the text wasn't
user-placed, compute the position from the style (DIMTAD/DIMTVP/DIMJUST)
anchored on the dimension line (definition_point); when it was (grip drag
or properties edit, both now set the flag), keep the saved point.
Imported drawings keep their fidelity via the flag round-tripping through
DXF/DWG.

Also fixes linear/aligned text anchoring at the measured midpoint instead
of the actual dimension line.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Hakan Seven 2026-06-14 01:57:58 +03:00
commit 006dbe4631
2 changed files with 108 additions and 92 deletions
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Cargo.lock generated
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@ -56,7 +56,7 @@ checksum = "366ffbaa4442f4684d91e2cd7c5ea7c4ed8add41959a31447066e279e432b618"
[[package]]
name = "acadrust"
version = "0.3.4"
source = "git+https://github.com/HakanSeven12/acadrust?branch=main#677ffce9b3622a788af4edcef08647f3480170ce"
source = "git+https://github.com/HakanSeven12/acadrust?branch=main#b4ab9ffedfae44b5731301a94c849a3c8f695105"
dependencies = [
"ahash",
"anyhow",