8ed10ceb2a
Rewrite the in-app MTEXT editor to run on acadrust's structured MTextDocument model end-to-end: load via parse_mtext, edit a flat Cell model, serialize via to_mtext_string. Retires the hand-rolled format-code string handling, the parallel visible_spans parser, the composed_value prefix, and the Edit-raw-code tab. Selection and copy: - double-click selects the word, triple-click selects all (click-counting) - Ctrl+A selects all text - Ctrl+C copies the selected text to the clipboard Formatting: - per-selection Bold/Italic/Underline/Overline/Strike/Case/Alignment - Bold renders as a visibly thicker SDF pen, keyed (family, char, bold) through the whole text pipeline; the resolved style font name is stamped so the \f...|b1; code survives serialization - per-selection font and color changes - editor color dropdown reuses the Properties panel color selector Global toolbar defaults (font/color/oblique/width/tracking) fold onto the document as real span properties instead of a leading code prefix; a trailing empty paragraph is preserved so Enter at the end keeps its line. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
412 lines
16 KiB
Rust
412 lines
16 KiB
Rust
use acadrust::entities::Tolerance;
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use crate::command::EntityTransform;
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use crate::entities::common::{edit_prop as edit, ro_prop as ro, square_grip};
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use crate::entities::traits::{Grippable, PropertyEditable, Transformable, TruckConvertible};
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use crate::scene::convert::acad_to_truck::{GlyphRun, TextStroke, TruckEntity, TruckObject};
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use crate::scene::model::object::{GripApply, GripDef, PropSection};
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use crate::scene::model::wire_model::SnapHint;
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use crate::scene::text::lff;
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use crate::scene::view::transform;
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// ── GDT text parser ───────────────────────────────────────────────────────────
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/// Parse a DXF tolerance text string into rows of cell strings.
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///
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/// DXF format: `{\Fgdt;p}%%v0.5%%vA%%vB%%v%%v^J{\Fgdt;j}%%v0.1%%vA%%v%%v%%v`
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/// - `^J` → row separator
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/// - `%%v` → cell separator within a row
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/// - `{\Fgdt;X}` → GDT symbol X (mapped to a text label)
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fn parse_gdt_rows(raw: &str) -> Vec<Vec<String>> {
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raw.split("^J")
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.filter(|row| !row.trim().is_empty())
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.map(|row| {
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row.split("%%v")
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.map(|cell| substitute_gdt_codes(cell.trim()))
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.collect()
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})
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.collect()
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}
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/// Replace `{\Fgdt;X}` sequences with a short ASCII label and strip other
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/// MTEXT-style format codes `{\...}`.
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fn substitute_gdt_codes(s: &str) -> String {
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let mut out = String::new();
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let mut chars = s.chars().peekable();
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while let Some(ch) = chars.next() {
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if ch == '{' {
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// Collect to closing '}'
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let mut inner = String::new();
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let mut depth = 1usize;
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for c in chars.by_ref() {
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match c {
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'{' => {
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depth += 1;
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inner.push(c);
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}
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'}' => {
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depth -= 1;
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if depth == 0 {
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break;
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}
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inner.push(c);
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}
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_ => {
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inner.push(c);
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}
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}
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}
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// Is it a GDT font switch?
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if let Some(rest) = inner.strip_prefix("\\Fgdt;") {
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// rest is the symbol letter(s)
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if let Some(sym_char) = rest.chars().next() {
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out.push_str(gdt_char_to_ascii(sym_char));
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}
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}
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// other format codes: skip
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} else {
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out.push(ch);
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}
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}
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out
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}
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/// Map a GDT font character to a short ASCII approximation.
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fn gdt_char_to_ascii(c: char) -> &'static str {
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match c {
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'a' => "SRT", // Straightness
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'b' => "FLT", // Flatness
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'c' => "FLT", // Flatness
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'd' => "PSF", // Profile of Surface
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'e' => "CYL", // Cylindricity
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'f' => "PRL", // Profile of Line
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'g' => "CIR", // Circularity
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'h' => "PAR", // Parallelism
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'i' => "SYM", // Symmetry
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'j' => "PRP", // Perpendicularity
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'k' => "PLN", // Profile of Line
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'l' => "(L)", // LMC
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'm' => "(M)", // MMC / Diameter
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'n' => "ANG", // Angularity
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'o' => "(o)", // at maximum material boundary
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'p' => "POS", // Position
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'q' => "(q)",
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'r' => "RUN", // Circular Runout
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's' => "(S)", // RFS / Regardless of Feature Size
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't' => "TRN", // Total Runout
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'u' => "CON", // Concentricity
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'v' => "(v)",
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'w' => "(w)",
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_ => "?",
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}
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}
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// ── Feature-control frame builder ─────────────────────────────────────────────
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/// One text cell of a feature-control frame, ready to become a `TextStroke`
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/// with a `GlyphRun` so the cell text can render as SDF glyph quads (or, when
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/// SDF is off, from `strokes`). `origin` is relative to the tolerance insertion
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/// point (already rotated); `strokes` are the glyph polylines rotated about the
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/// origin (no origin translation — the wire-builder adds the origin).
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struct TolCell {
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text: String,
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origin: [f32; 2],
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strokes: Vec<Vec<[f32; 2]>>,
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height: f32,
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rotation: f32,
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}
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/// Tessellate a Tolerance entity's feature-control frame.
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///
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/// Returns (`box_strokes`, `cells`):
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/// - `box_strokes` — the outer border, row separators and column dividers as
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/// 2-D polylines (rotated; run-less, so they always render as strokes)
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/// - `cells` — one [`TolCell`] per non-empty cell, carrying its text + a
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/// `GlyphRun` so the cell renders as SDF text (frame stays geometry).
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fn tessellate_tolerance(tol: &Tolerance) -> (Vec<Vec<[f32; 2]>>, Vec<TolCell>) {
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if tol.text.is_empty() {
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return (vec![], vec![]);
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}
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let rows = parse_gdt_rows(&tol.text);
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if rows.is_empty() {
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return (vec![], vec![]);
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}
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// ── Metrics ──────────────────────────────────────────────────────────
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let h = if tol.text_height > 1e-6 {
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tol.text_height as f32
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} else {
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2.5_f32
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};
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// DIMGAP — stored on the entity (resolved from the dim style at creation).
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// Fall back to AutoCAD's 0.35 × height convention only when missing.
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let gap = if tol.dimension_gap > 1e-6 {
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tol.dimension_gap as f32
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} else {
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(h * 0.35).max(0.1)
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};
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let cell_h = h + 2.0 * gap;
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let char_w = h * 0.65;
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let min_cell_w = h * 1.4;
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// Column widths: max across all rows
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let max_cols = rows.iter().map(|r| r.len()).max().unwrap_or(0);
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let mut col_widths: Vec<f32> = vec![0.0_f32; max_cols];
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for row in &rows {
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for (ci, cell) in row.iter().enumerate() {
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let w = (cell.len() as f32 * char_w).max(min_cell_w);
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if ci < col_widths.len() {
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col_widths[ci] = col_widths[ci].max(w);
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}
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}
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}
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let total_w: f32 = col_widths.iter().sum();
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let total_h = cell_h * rows.len() as f32;
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// ── Transform helpers (local space — translation applied in tessellate.rs) ──
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let angle = (tol.direction.y as f32).atan2(tol.direction.x as f32);
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let (sa, ca) = angle.sin_cos();
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// Rotate only; origin is kept as f64 and applied later with full precision.
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let rot = |x: f32, y: f32| -> [f32; 2] { [x * ca - y * sa, x * sa + y * ca] };
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let mut box_out: Vec<Vec<[f32; 2]>> = Vec::new();
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let mut cells: Vec<TolCell> = Vec::new();
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// ── Outer border ──────────────────────────────────────────────────────
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box_out.push(vec![
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rot(0.0, 0.0),
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rot(total_w, 0.0),
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rot(total_w, total_h),
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rot(0.0, total_h),
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rot(0.0, 0.0),
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]);
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// ── Row separators ─────────────────────────────────────────────────────
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for ri in 1..rows.len() {
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let y = cell_h * ri as f32;
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box_out.push(vec![rot(0.0, y), rot(total_w, y)]);
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}
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// ── Column dividers ────────────────────────────────────────────────────
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let mut x_cursor = 0.0_f32;
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for ci in 0..col_widths.len().saturating_sub(1) {
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x_cursor += col_widths[ci];
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for ri in 0..rows.len() {
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if ci + 1 < rows[ri].len() {
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let y0 = cell_h * ri as f32;
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let y1 = y0 + cell_h;
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box_out.push(vec![rot(x_cursor, y0), rot(x_cursor, y1)]);
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}
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}
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}
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// ── Text content per cell ─────────────────────────────────────────────
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// Each cell becomes a TolCell: its origin is the (rotated) cell position
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// relative to the insertion point; its `strokes` are the glyph polylines
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// rotated about that origin (used only when SDF is off). The GlyphRun the
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// caller attaches lets the cell render as SDF text.
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for (ri, row) in rows.iter().enumerate() {
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let row_y = cell_h * ri as f32 + gap;
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let mut cell_x = 0.0_f32;
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for (ci, cell) in row.iter().enumerate() {
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let cw = if ci < col_widths.len() {
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col_widths[ci]
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} else {
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0.0
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};
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if !cell.is_empty() {
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let text_w = cell.len() as f32 * char_w;
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let tx = cell_x + (cw - text_w) * 0.5;
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let (local_strokes, _) =
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lff::tessellate_text_ex([0.0, 0.0], h, 0.0, 1.0, 0.0, "txt", cell);
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// Glyph polylines rotated about the cell origin (no origin
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// translation — the wire-builder adds `origin`).
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let strokes: Vec<Vec<[f32; 2]>> = local_strokes
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.into_iter()
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.map(|pl| pl.into_iter().map(|[px, py]| rot(px, py)).collect())
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.filter(|pl: &Vec<[f32; 2]>| !pl.is_empty())
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.collect();
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cells.push(TolCell {
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text: cell.clone(),
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origin: rot(tx, row_y),
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strokes,
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height: h,
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rotation: angle,
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});
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}
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cell_x += cw;
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}
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}
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(box_out, cells)
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}
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// ── TruckConvertible ──────────────────────────────────────────────────────────
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impl TruckConvertible for Tolerance {
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fn to_truck(&self, _document: &acadrust::CadDocument) -> Option<TruckEntity> {
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if self.text.is_empty() {
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return None;
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}
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let snap_pt = glam::DVec3::new(
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self.insertion_point.x,
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self.insertion_point.y,
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self.insertion_point.z,
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);
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// Build the feature-control frame in local space; origin stored as f64.
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let (box_strokes, cells) = tessellate_tolerance(self);
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let ins = [self.insertion_point.x, self.insertion_point.y];
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// Frame geometry first (run-less → always strokes; also the anchor
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// group so its origin = the insertion point), then one run-group per
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// text cell so the cell text renders as SDF glyphs (or strokes when
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// SDF is off).
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let mut groups: Vec<TextStroke> = Vec::with_capacity(1 + cells.len());
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if !box_strokes.is_empty() {
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groups.push(TextStroke {
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strokes: box_strokes,
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origin: ins,
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color: None,
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fill_tris: vec![],
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run: None,
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});
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}
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for cell in cells {
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groups.push(TextStroke {
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strokes: cell.strokes,
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origin: [ins[0] + cell.origin[0] as f64, ins[1] + cell.origin[1] as f64],
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color: None,
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fill_tris: vec![],
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run: Some(GlyphRun {
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text: cell.text,
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font: "txt".to_string(),
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height: cell.height,
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rotation: cell.rotation,
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width_factor: 1.0,
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oblique: 0.0,
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tracking: 0.0,
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bold: false,
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}),
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});
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}
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if groups.is_empty() {
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return None;
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}
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Some(TruckEntity {
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object: TruckObject::Text(groups),
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snap_pts: vec![(snap_pt, SnapHint::Insertion)],
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tangent_geoms: vec![],
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key_vertices: vec![],
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fill_tris: vec![],
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})
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}
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}
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// ── Grippable ─────────────────────────────────────────────────────────────────
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impl Grippable for Tolerance {
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fn grips(&self) -> Vec<GripDef> {
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vec![square_grip(
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0,
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glam::DVec3::new(
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self.insertion_point.x,
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self.insertion_point.y,
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self.insertion_point.z,
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),
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)]
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}
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fn apply_grip(&mut self, grip_id: usize, apply: GripApply) {
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if grip_id == 0 {
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match apply {
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GripApply::Translate(d) => {
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self.insertion_point.x += d.x as f64;
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self.insertion_point.y += d.y as f64;
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self.insertion_point.z += d.z as f64;
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}
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GripApply::Absolute(p) => {
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self.insertion_point.x = p.x as f64;
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self.insertion_point.y = p.y as f64;
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self.insertion_point.z = p.z as f64;
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}
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}
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}
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}
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}
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// ── PropertyEditable ──────────────────────────────────────────────────────────
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impl PropertyEditable for Tolerance {
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fn geometry_properties(&self, _text_style_names: &[String]) -> Vec<PropSection> {
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vec![
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PropSection {
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title: "Text".into(),
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props: vec![
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ro("Text style", "tol_text_style", String::new()),
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edit("Text height", "tol_text_height", self.text_height),
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],
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},
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PropSection {
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title: "Geometry".into(),
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props: vec![
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edit("Position X", "tol_ix", self.insertion_point.x),
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edit("Position Y", "tol_iy", self.insertion_point.y),
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edit("Position Z", "tol_iz", self.insertion_point.z),
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],
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},
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PropSection {
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title: "Misc".into(),
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props: vec![
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ro(
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"Dimension style",
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"tol_dim_style",
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if self.dimension_style_name.is_empty() {
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"(default)".to_string()
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} else {
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self.dimension_style_name.clone()
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},
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),
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edit("Direction X", "tol_dir_x", self.direction.x),
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edit("Direction Y", "tol_dir_y", self.direction.y),
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edit("Direction Z", "tol_dir_z", self.direction.z),
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],
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},
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]
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}
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fn apply_geom_prop(&mut self, field: &str, value: &str) {
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let Ok(v) = value.trim().parse::<f64>() else {
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return;
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};
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match field {
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"tol_ix" => self.insertion_point.x = v,
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"tol_iy" => self.insertion_point.y = v,
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"tol_iz" => self.insertion_point.z = v,
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"tol_text_height" if v > 0.0 => self.text_height = v,
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"tol_dir_x" => self.direction.x = v,
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"tol_dir_y" => self.direction.y = v,
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"tol_dir_z" => self.direction.z = v,
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_ => {}
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}
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}
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}
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// ── Transformable ─────────────────────────────────────────────────────────────
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impl Transformable for Tolerance {
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fn apply_transform(&mut self, t: &EntityTransform) {
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transform::apply_standard_entity_transform(self, t, |entity, p1, p2| {
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transform::reflect_xy_point(
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&mut entity.insertion_point.x,
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&mut entity.insertion_point.y,
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p1,
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p2,
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);
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});
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}
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}
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