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Hakan SevenandClaude Opus 4.7 4e5d2c8d04 feat(text): route every text-bearing entity through the run-aware MText pipeline

Lift the MText parser + renderer into a reusable `layout_mtext` helper in
`text_support` and re-point the remaining text-bearing entities at it, so
every inline format code (`\f`, `\C`/`\c`, `\H`, `\W`, `\Q`, `\T`, `\A`,
`\p…`, decorations, stacked fractions, paragraph indents, tab stops, …)
reaches the stroke output uniformly.

Per-entity changes:
- TABLE cell ([entities/table.rs]) — anchor + alignment math now feeds
  `layout_mtext`; `\C7;Red`-style codes no longer render as literal
  glyph noise.
- MLEADER MText content (both entity path in [entities/multileader.rs]
  and the LOD-aware path in [scene/tessellate.rs]) — drops the
  `strip_mtext_codes` + per-line `tessellate_text_ex` chain; the LOD 0
  baseline / LOD 1 greek rect / LOD 2 stroke ladder and the text-frame /
  bg-fill rectangle now read line widths from the layout.
- ATTRIB / ATTDEF — when `mtext_flag` is MultiLine / ConstantMultiLine
  the value goes through the MText pipeline (SingleLine stays on the
  Text-style anchor maths because the DXF spec disallows codes there).
- DIMENSION text_override — `dimension_text_entity` emits a synthetic
  MText (instead of Text) whenever the value contains MText escapes;
  the LOD ladder via `tessellate_entity_dim_text` handles both kinds.

Infrastructure:
- `MTextVAnchor` gains `MiddleOfTopLine`, `MiddleOfBottomLine`,
  `BottomOfTopLine` so MLEADER's 9 attachment variants all map cleanly.
- `MTextLayout` returns `line_widths` / `line_height` / `v_offset` so
  callers that draw chrome (frames, fills, baselines, greek rects)
  share the same numbers as the rendered strokes.
- `mtext_line_count` re-routed through the new parser so LOD row counts
  and rendered row counts can never disagree.
- Legacy helpers (`strip_mtext_codes`, `split_mtext_lines`,
  `measure_mtext_chars`, `word_wrap`, `cxf::measure_text`, the
  `v_offset_for_attachment` MLEADER offset table, `MTextLine::plain_text`)
  deleted — all callers migrated.

Audit (TEXT_FORMAT_CODE_INTEGRATION.md) removed; its plan is implemented
here.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

2026-05-22 05:53:01 +03:00

arc.rs

fix(render): preserve f64 precision until world_offset subtraction

2026-05-12 23:47:40 +03:00

attribute.rs

feat(text): route every text-bearing entity through the run-aware MText pipeline

2026-05-22 05:53:01 +03:00

circle.rs

fix(render): preserve f64 precision until world_offset subtraction

2026-05-12 23:47:40 +03:00

common.rs

feat: honour LUNITS / LUPREC unit formatting + INSUNITS scaling on insert